HP (Hewlett-Packard) 5100LE User Manual

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hp LaserJet 5100

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5100tn 5100dtn

5100Le

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hp LaserJet 5100 series printers

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service ____________________

Publication number Q1860-90918

First Edition, May 2002

Warranty

The information contained in this document is subject to change without notice.

Hewlett-Packard makes no warranty of any kind with respect to this information. HEWLETT-PACKARD SPECIFICALLY DISCLAIMS THE IMPLIED WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.

Hewlett-Packard shall not be liable for any direct, indirect, incidental, consequential, or other damage alleged in connection with the furnishing or use of this information.

Trademark Credits

PostScript

is a trademark of

Adobe Systems Incorporated. HP-UX Release 10.20 and later

and HP-UX Release 11.00 and later (in both 32 and 64-bit configurations) on all HP 9000 computers are Open Group UNIX 95 branded products.

Microsoft, Windows

, MS-DOS, and Windows NT, are U.S. registered trademarks of Microsoft Corporation.

TrueType

™

is a U.S. trademark of

Apple Computer, Inc. UNIX® is a registered trademark

of The Open Group. E

NERGY STAR

is a U.S. registered service mark of the United States Environmental Protection Agency.

Hewlett-Packard Company 11311 Chinden Boulevard Boise, Idaho 83714 U.S.A.

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1 Printer description

Printer features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Printer information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Model and serial numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Site requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Environmental and power requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Space requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Paper specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Supported types of paper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Guidelines for using paper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Transparencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Vellum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Envelopes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Card stock and heavy paper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Safety information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Laser safety statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Canadian DOC regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

FCC regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Laser statement for Finland . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Luokan 1 laserlaite . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Material Safety Data Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Environmental product stewardship . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

2 Service approach

Regulatory information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Service approach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Parts and supplies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Limited warranty for the print cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Service and support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Worldwide service and support offices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

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Contents 3

3 Printer operation

Using the control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42

Control panel layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42

Control panel lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Control panel keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Settings and defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .44

Control panel menus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .45

Private/stored jobs menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46

Information menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47

Paper-handling menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Print-quality menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .50

Printing menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Configuration menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53

I/O menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

EIO menu (HP LaserJet 5100tn and 5100dtn printers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Resets menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Service mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Service menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59

Setting the page count, maintenance count, and serial number . . . . . . . . . . . . . . . . . . . . . . . .60

Cold reset paper size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62

Diagnostics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62

Clear event log. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Testing the printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63

Resetting the printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63

Cold reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63

Clearing NVRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63

Initializing the hard disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .63

System configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64

MS-DOS system configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64

Parallel MS-DOS commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64

Printer I/O configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Parallel menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64

4 Printer maintenance

Cleaning the printer and accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Cleaning spilled toner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67

Preventive maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68

Reset maintenance count . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68

Expected life of components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .68

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5 Functional information

Printer subsystems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Power supply system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Ac/dc power distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Overcurrent overvoltage protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

High-voltage power distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Toner-cartridge detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Dc controller system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Laser and scanner drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Paper-motion monitoring and control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Solenoids, sensors, clutches, and switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Engine test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Motors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Formatter system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

PowerSave . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

Resolution Enhancement technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

EconoMode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Input/output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

CPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Printer memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

Memory Enhancement technology . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

Page protect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

PJL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

PML. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

Control panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

Image-formation system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

Toner cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

Photosensitive drum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

Writing the image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

Developing the image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Transferring the image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

Image fusing/variable fusing temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

Paper feed system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

Clutches and sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

Printing from Tray 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

Printing from Tray 2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Printing from the optional 500-sheet and 250-sheet Trays . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

Paper jam . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

Duplexer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

Paper jam in the duplexer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

Basic sequence of operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

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6 Removing and replacing parts

User-installable accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .107

Checking memory installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109

Installing EIO cards or mass-storage devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110

Paper-handling accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .110

Before you begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .111

Replacing printer parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .111

Removing loose toner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .111

Required tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111

Parts removal order . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .112

Covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .113

Rear door and rear output bin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113

Fuser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .114

Top cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115

Control panel overlay and control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .117

Toner cartridge door assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 119

Front cover and Tray 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .120

Front cover pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121

Face-down cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .122

Left and right side covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .123

Tray 1 inner cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .124

Right and left corner covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .126

Internal assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .127

Transfer-roller assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128

Paper-handling PCA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .131

Main gear assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .134

Pickup gear assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .136

Tray 1 pickup solenoid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .137

Fan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .138

Formatter assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .139

Tray 1 roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 140

Tray 1 separation pad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .141

Tray 2 pickup roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .142

Tray 2 separation pad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .143

Paper-feed roller assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .144

Dc controller and power supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 146

Paper-feed belt assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 148

Tray 1 shaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .150

Tray 2 shaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .152

Tray 1 lift plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .154

Paper guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .155

Top-of-page sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .156

Face-down bin-full sensor lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .157

Accessory interface connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 158

Registration assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .159

Upper delivery assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .161

Delivery roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .162

Laser/scanner assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .164

Main motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .165

Toner cartridge guides . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .166

Power inlet assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .167

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Optional 250-sheet feeder. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168

Separation pad . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 168

Pickup roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169

Sensing flag . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 170

Control PCA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171

Paper-size spring assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 173

Optional 500-sheet feeder. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174

Covers and base frame. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174

Tray indicator assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176

Left front corner cover installation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177

500-sheet feeder feed roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178

500-sheet feeder pickup roller. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179

500-sheet feeder PCAs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 180

500-sheet feeder power connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181

500-sheet feeder separation roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182

7 Troubleshooting

Troubleshooting process . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184

Troubleshooting process flow . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 185

Troubleshooting the printing system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187

Preliminary operating checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 187

Power on . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188

Engine test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190

Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190

Event log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191

Printer messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193

General paper-path troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 202

Information pages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204

Image quality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 207

Image system troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 224

Interface troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 225

Reference diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227

Locations of components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227

Sensors and signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236

Dc controller inputs and outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252

8 Parts and diagrams

Ordering parts and supplies, and getting support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259

Related documentation and software . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259

Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259

Ordering parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259

Ordering consumables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259

Accessories and supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 260

Common hardware and replacement cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 261

Diagrams and parts lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262

Alphabetical parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290

Numerical parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 294

Index

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Figures

Figure 1. Sample identification labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Figure 2. Printer dimensions—HP LaserJet 5100 printer and HP LaserJet 5100Le printer . . . . 21

Figure 3. Printer dimensions—HP LaserJet 5100tn printer and HP LaserJet 5100dtn printer . . 22

Figure 4. Printer dimensions, HP LaserJet 5100 series printer with accessories . . . . . . . . . . . 23

Figure 5. Envelopes with double side seams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Figure 6. Control panel layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Figure 7. Service menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Figure 8. Location of the transfer roller – do not touch! . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Figure 9. Paper-feed subsystem . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Figure 10. Low-voltage power supply circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Figure 11. High-voltage power supply circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Figure 12. Dc controller PCA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Figure 13. Main-motor control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Figure 14. Image-formation system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

Figure 15. Toner cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

Figure 16. Photosensitive Drum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

Figure 17. Cleaning the drum . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

Figure 18. Primary charging roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 85

Figure 19. Writing the image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

Figure 20. Developing the image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Figure 21. Transferring the image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

Figure 22. Image fusing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

Figure 23. Fusing temperature control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 90

Figure 24. Paper path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

Figure 25. Tray 1 pickup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

Figure 26. Tray 2 Paper path . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Figure 27. Paper skew correction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94

Figure 28. 250-sheet paper feeder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 95

Figure 29. 500-sheet paper feeder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 96

Figure 30. Paper feed for the duplexer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

Figure 31. Duplexer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 99

Figure 32. Duplexer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

Figure 33. Timing diagram, two consecutive prints on A4 paper (600 dpi, face-down delivery) 102 Figure 34. Timing diagram, two consecutive prints on A4 paper (1200 dpi, face-down delivery) 103

Figure 35. Installing EIO cards or mass-storage devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110

Figure 36. Paper-handling accessories configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 110

Figure 37. Rear door and rear output bin removal (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113

Figure 38. Rear door and rear output bin removal (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 113

Figure 39. Fuser removal (rear view of printer) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 114

Figure 40. Top cover removal (1 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 115

Figure 41. Top cover removal (2 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116

Figure 42. Top cover removal (3 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 116

Figure 43. Control panel overlay removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 117

Figure 44. Control panel removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 118

Figure 45. Toner cartridge door assembly removal (underside of the top cover door) . . . . . . . 119

Figure 46. Front cover removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120

Figure 47. Tray 1 guide removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 120

Figure 48. Front cover pins removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 121

Figure 49. Face-down cover removal (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122

Figure 50. Face-down cover removal (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122

Figure 51. Side covers removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 123

Figure 52. Tray 1 inner cover removal (1 of 2, inner cover flag) . . . . . . . . . . . . . . . . . . . . . . . . 124

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Figure 53. Tray 1 inner cover removal (2 of 2, front of printer) . . . . . . . . . . . . . . . . . . . . . . . . . .125

Figure 54. Corner covers removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .126

Figure 55. Internal assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .127

Figure 56. Transfer-roller assembly removal (1 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .128

Figure 57. Transfer-roller assembly removal (2 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .129

Figure 58. Transfer-roller assembly removal (3 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .129

Figure 59. Reinstalling the transfer roller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 130

Figure 60. Paper-handling PCA removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .131

Figure 61. Adjusting the top margin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .132

Figure 62. Location of VR401 on the paper-handling PCA . . . . . . . . . . . . . . . . . . . . . . . . . . . . .133

Figure 63. Main gear assembly removal (1 of 2, left side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134

Figure 64. Main gear assembly removal (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .135

Figure 65. Pickup gear assembly removal (left side of printer) . . . . . . . . . . . . . . . . . . . . . . . . . .136

Figure 66. Tray 1 pickup solenoid removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 137

Figure 67. Fan removal (right side of printer) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 138

Figure 68. Formatter assembly removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .139

Figure 69. Tray 1 roller removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .140

Figure 70. Tray 1 separation pad removal (1 of 2—view through slot in Tray 1) . . . . . . . . . . . .141

Figure 71. Tray 1 separation pad removal (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 141

Figure 72. Tray 2 pickup roller removal (bottom of the printer) . . . . . . . . . . . . . . . . . . . . . . . . . .142

Figure 73. Tray 2 separation pad removal (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143

Figure 74. Tray 2 separation pad removal (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 143

Figure 75. Paper-feed roller assembly removal (1 of 3, left side view of printer) . . . . . . . . . . . .144

Figure 76. Paper-feed roller assembly removal (2 of 3, location of two screws) . . . . . . . . . . . . .145

Figure 77. Paper-feed roller assembly removal (3 of 3, bottom view of printer) . . . . . . . . . . . . .145

Figure 78. Dc controller assembly removal (1 of 3, rear view of printer) . . . . . . . . . . . . . . . . . . .146

Figure 79. Dc controller assembly removal (2 of 3, long screws) . . . . . . . . . . . . . . . . . . . . . . . .147

Figure 80. Dc controller assembly removal (3 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .147

Figure 81. Paper-feed belt assembly removal (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .148

Figure 82. Paper-feed belt assembly removal (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .149

Figure 83. Tray 1 shaft removal (1 of 2, right side view of printer) . . . . . . . . . . . . . . . . . . . . . . .150

Figure 84. Tray 1 shaft removal (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 151

Figure 85. Tray 2 shaft removal (left side view of printer) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .152

Figure 86. Reinstallation of Tray 2 shaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 153

Figure 87. Tray 1 lift plate removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .154

Figure 88. Paper guide removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .155

Figure 89. Top-of-page sensor removal (bottom of printer) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 156

Figure 90. Face-down bin-full sensor lever removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157

Figure 91. Accessory interface connector removal (left side of printer) . . . . . . . . . . . . . . . . . . .158

Figure 92. Registration assembly removal (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .159

Figure 93. Registration assembly removal (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .160

Figure 94. Upper delivery assembly removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161

Figure 95. Delivery roller removal (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 162

Figure 96. Delivery roller removal (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 163

Figure 97. Laser/scanner assembly removal (top, inside view of printer) . . . . . . . . . . . . . . . . . .164

Figure 98. Main motor removal (rear view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165

Figure 99. Toner cartridge guide removal (shown from right side) . . . . . . . . . . . . . . . . . . . . . . .166

Figure 100. Power inlet assembly removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .167

Figure 101. Optional 250-sheet feeder separation pad removal (1 of 2) . . . . . . . . . . . . . . . . . . . .168

Figure 102. Optional 250-sheet feeder separation pad removal (2 of 2) . . . . . . . . . . . . . . . . . . . .168

Figure 103. Optional 250-sheet feeder pickup roller removal (bottom of the printer) . . . . . . . . . . 169

Figure 104. Optional 250-sheet feeder sensing flag removal (1 of 2) . . . . . . . . . . . . . . . . . . . . . . 170

Figure 105. Optional 250-sheet feeder sensing flag removal (2 of 2) . . . . . . . . . . . . . . . . . . . . . . 170

Figure 106. Optional 250-sheet feeder control PCA removal (1 of 3) . . . . . . . . . . . . . . . . . . . . . . 171

Figure 107. Optional 250-sheet feeder control PCA removal (2 of 3) . . . . . . . . . . . . . . . . . . . . . . 171

Figure 108. Optional 250-sheet feeder control PCA removal (3 of 3) . . . . . . . . . . . . . . . . . . . . . . 172

Figure 109. Optional 250-sheet feeder paper-size spring assembly removal (1 of 2) . . . . . . . . . .173

Figure 110. Optional 250-sheet feeder paper-size spring assembly removal (2 of 2) . . . . . . . . . .173

Figure 111. 500-sheet feeder removal (1 of 2, top view) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .174

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Figure 112. Paper-size spring assembly removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 174

Figure 113. 500-sheet feeder removal (2 of 2, top view with covers removed) . . . . . . . . . . . . . . 175

Figure 114. Tray indicator assembly removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176

Figure 115. Installing the left front corner cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 177

Figure 116. 500-sheet feeder feed roller removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178

Figure 117. 500-sheet feeder pickup roller removal (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179

Figure 118. 500-sheet feeder pickup roller removal (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 179

Figure 119. Gear assembly, 500-sheet feeder PCA, and paper-size switch PCA removal . . . . . 180

Figure 120. Power connector removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 181

Figure 121. Separation roller removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 182

Figure 122. Location of the engine test button (callout 1) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 190

Figure 123. Event log page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 191

Figure 124. Menu map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 204

Figure 125. Configuration page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 205

Figure 126. Repetitive defect ruler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 223

Figure 127. Jetdirect configuration page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 226

Figure 128. Paper path (sensors and switches) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 227

Figure 129. Paper path (clutches, solenoids, and motors) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228

Figure 130. 250-sheet paper feeder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 229

Figure 131. 250-sheet paper feeder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 230

Figure 132. 500-sheet paper feeder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 231

Figure 133. 500-sheet paper feeder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 232

Figure 134. Duplexer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 233

Figure 135. Duplexer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 234

Figure 136. Duplexer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 235

Figure 137. Paper path and components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 236

Figure 138. Paper path (dashed lines represent duplexer path) . . . . . . . . . . . . . . . . . . . . . . . . . 236

Figure 139. Printer sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238

Figure 140. 250-sheet feeder sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 238

Figure 141. 500-sheet feeder sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239

Figure 142. Duplexer sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239

Figure 143. Printer switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240

Figure 144. 250-sheet feeder switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 240

Figure 145. 500-sheet feeder switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 241

Figure 146. Motors, fans, and fuser heaters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 242

Figure 147. Motors (duplexer) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 243

Figure 148. Connectors (main unit) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 244

Figure 149. Connectors (duplexer and 250-sheet paper feeder) . . . . . . . . . . . . . . . . . . . . . . . . . 245

Figure 150. Connectors (500-sheet paper feeder) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 246

Figure 151. PCAs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 247

Figure 152. PCA (duplexer) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248

Figure 153. Clutches and solenoids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 249

Figure 154. Clutches and solenoids (duplexer) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 250

Figure 155. Dc controller I/O (1 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 252

Figure 156. Dc controller I/O (2 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 253

Figure 157. Dc controller I/O (3 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 254

Figure 158. Dc controller I/O (4 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255

Figure 159. Assembly locations (1 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262

Figure 160. Assembly locations (2 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 262

Figure 161. Assembly locations (3 of 3) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 263

Figure 162. External covers and panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264

Figure 163. Upper cover assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 265

Figure 164. Internal components (1 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 266

Figure 165. Internal components (2 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 268

Figure 166. Internal components (3 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270

Figure 167. Internal components (4 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271

Figure 168. Upper delivery assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 272

Figure 169. Tray 2 paper pickup roller assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 273

Figure 170. Paper feed belt assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 274

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Figure 171. Paper feed roller assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 275

Figure 172. Registration roller assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .276

Figure 173. 250-sheet universal tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .277

Figure 174. Main gear assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .278

Figure 175. Pickup gear assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 279

Figure 176. PCA assembly locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .280

Figure 177. Printer controller assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .281

Figure 178. Fuser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282

Figure 179. 250-sheet feeder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 283

Figure 180. PCA assembly locations, 250-sheet feeder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .284

Figure 181. 500-sheet feeder (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .285

Figure 182. 500-sheet feeder (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .286

Figure 183. PCA assemblies, 500-sheet feeder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .288

Figure 184. Duplexer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .289

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Tables

Table 1. Printer features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Table 2. Comparison of HP LaserJet 5100 Series printers . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

Table 3. Power requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Table 4. Environmental specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Table 5. Acoustics specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Table 6. Paper specifications, Tray 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Table 7. Paper specifications, Tray 2 or other 250-sheet feeder . . . . . . . . . . . . . . . . . . . . . . . 25

Table 8. Paper specifications, 500-sheet feeder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Table 9. Paper specifications, duplexer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Table 10. Media issues . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Table 11. Envelope margins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30

Table 12. Interpreting control panel lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Table 13. Control panel keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Table 14. Settings and defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Table 15. Private/stored jobs menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Table 16. Information menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Table 17. Paper-handling menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Table 18. Print-quality menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Table 19. Printing menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Table 20. Configuration menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

Table 21. I/O menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

Table 22. EIO menu for networked printers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Table 23. Resets menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Table 24. Using control panel keys to change page count (an example) . . . . . . . . . . . . . . . . . . 61

Table 25. Cleaning printer components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Table 26. Expected life of components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Table 27. Basic sequence of operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

Table 28. Major steps for troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 184

Table 29. Power on defect or blank display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 188

Table 30. No ac power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189

Table 31. No dc power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 189

Table 32. Printer messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193

Table 33. Configuration page categories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 206

Table 34. Black lines (in paper path direction) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210

Table 35. Black lines (opposite paper path direction) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 210

Table 36. Black page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 211

Table 37. Blank page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 212

Table 38. Character voids and dropouts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 213

Table 39. Creases . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214

Table 40. Curl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 214

Table 41. Dark print . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215

Table 42. Dirt on back of page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 215

Table 43. Distorted image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216

Table 44. Dots (in the paper-path direction) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216

Table 45. Faded or light print . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 217

Table 46. Gray background . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 218

Table 47. Loose toner or toner smear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 219

Table 48. Repetitive defects . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220

Table 49. Skew . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220

Table 50. Smudged lines (either direction) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221

Table 51. Toner specks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221

Table 52. White lines (in the paper-path direction) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 221

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Contents 13

Table 53. White lines (opposite to the paper-path direction) . . . . . . . . . . . . . . . . . . . . . . . . . . .222

Table 54. HP Jetdirect configuration page categories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .225

Table 55. Sensors, switches, clutches, and solenoids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 237

Table 56. Motors, fans, and fuser heaters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .243

Table 57. PCAs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 248

Table 58. Clutches and solenoids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .250

Table 59. Paper-size detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .251

Table 60. Technical support websites . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 259

Table 61. Accessories and supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .260

Table 62. Screws used in the printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .261

Table 63. Replaceable cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .261

Table 64. Assemblies listed alphabetically and their part numbers . . . . . . . . . . . . . . . . . . . . .263

Table 65. External covers and panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 264

Table 66. Top cover assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .265

Table 67. Internal components (1 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 267

Table 68. Internal components (2 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 269

Table 69. Internal components (3 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 270

Table 70. Internal components (4 of 4) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 271

Table 71. Upper delivery assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .272

Table 72. Tray 2 paper pickup roller assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .273

Table 73. Paper feed belt assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .274

Table 74. Paper feed roller assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .275

Table 75. Registration roller assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 276

Table 76. 250-sheet universal tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .277

Table 77. Main gear assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .278

Table 78. Pickup gear assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .279

Table 79. PCA assembly locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .280

Table 80. Printer controller assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .281

Table 81. Fuser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 282

Table 82. 250-sheet feeder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .283

Table 83. 250-sheet feeder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .284

Table 84. 500-sheet feeder (1 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .285

Table 85. 500-sheet feeder (2 of 2) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .287

Table 86. 500-sheet feeder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .288

Table 87. Duplexer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .289

Table 88. Alphabetical parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 290

Table 89. Numerical parts list . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .294

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1 Printer description

Overview

Printer features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

Printer information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Model and serial numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Site requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Space requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Paper specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25

Supported types of paper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26

Guidelines for using paper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

Labels. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Transparencies. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Vellum. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Envelopes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29

Card stock and heavy paper. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31

Safety information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Laser safety statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Canadian DOC regulations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

FCC regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32

Luokan 1 laserlaite . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Material Safety Data Sheet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Laser statement for Finland . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33

Environmental product stewardship . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 34

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Printer features

Table 1. Printer features

Speed 22 pages per minute (ppm) for A4-sized paper, or 21 ppm for letter-sized paper

300 MHz microprocessor First page out = 13 seconds

Resolution HP ProRes 1200, a 1200-by-1200 dots-per-inch (dpi), HP FastRes 1200 and 600 dpi with Resolution

Enhancement Technology (REt)

Typefaces 80 built-in scalable Printer Control Language (PCL) fonts, 80 internal PostScript Processor 300 MHz Memory options HP LaserJet 5100 printer and HP LaserJet 5100 Le printer:

16 MB, expandable to 192 MB through three industry-standard dual inline memory module (DIMM) slots

HP LaserJet 5100tn printer and HP LaserJet 5100dtn printer:

32 MB, expandable to 192 MB through three industry-standard DIMM slots

Connectivity HP LaserJet 5100 printer:

Bidirectional IEEE-1284-compliant parallel interface; two open enhancement input/output (EIO) slots (standard); HP Jetdirect internal print server (optional); 802.11 internal wireless connectivity card (optional)

HP LaserJet 5100tn printer and HP LaserJet 5100dtn printer:

Bidirectional IEEE-1284-compliant parallel interface; one open EIO slot; HP Jetdirect (EIO) print server for Fast Ethernet 10/100Base-TX in second slot (standard); 802.11 Internal Wireless connectivity card (optional)

HP LaserJet 5100Le printer:

Bidirectional IEEE-1284-compliant parallel interface

Network compatibility

Microsoft UNIX

Windows® 95, Windows NT® 4.0, Windows XP; NetWare; IBM OS/2 Warp; LAN manager;

, Appletalk; Linux® ; HP-UX; LocalTalk through HP Jetdirect EIO print servers

Mass-storage options >4 GB EIO hard disk

fonts

Paper trays Tray 1



Capacity: 100 sheets



Sizes: 76 by 127 mm (3 by 5 inches) to 312 by 470 mm (12.28 by 18.5 inches)

Tray 2



Capacity: 250 sheets



Sizes: 149 by 210 mm (5.8 by 8.2 inches) to 279 by 432 mm (11 by 17 inches)

250-sheet feeder (optional for HP LaserJet 5100 printer, HP LaserJet 5100tn printer, and HP LaserJet 5100dtn printer)



Capacity: 250 sheets



Sizes: 149 by 210 mm (5.8 by 8.2 inches) to 279 by 432 mm (11 by 17 inches)

500-sheet feeder (optional for HP LaserJet 5100 printer; standard for HP LaserJet 5100tn printer and HP LaserJet 5100dtn printer)



Capacity: 500 sheets



Sizes: 149 by 210 mm (5.8 by 8.2 inches) to 279 by 432 mm (11 by 17 inches)

Paper path Standard path to top output bin

Straight-through path from Tray 1 to the rear output bin

Output capacity 250-sheet top output bin

50-sheet rear output bin

Paper-handling options

Two-sided printing is automatic with the duplex printing accessory (duplexer). The duplexer is optional for the HP LaserJet 5100 printer, and is standard for the HP LaserJet 5100dtn printer.

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Printer information

The printer is available in four configurations, as described here.

HP LaserJet 5100 printer

The HP LaserJet 5100 printer (product number: Q1860A) is a 22 pages per minute (pp m) laser printer that comes standard with a 100-sheet multipurpose Tray 1, a 250-sheet Tray 2, and 16 MB of memory. It is designed for workgroups and can print on paper sizes up to A3 and 11 by 17 inches (279 by 432 mm).

HP LaserJet 5100tn printer

The HP LaserJet 5100tn printer (product number: Q1861A) is a 22 ppm laser printer that comes standard with a 100-sheet multipurpose Tray 1, a 250-sheet Tray 2, a 500-sheet feeder, 32 MB of memory, and an HP Jetdirect print server for connecting to a fast Ethernet (10/ 100Base-TX) network. It is designed f or ne twork users and can print full-b leed images on paper sizes up to A3 and 11 by 17 inches (279 by 432 mm).

HP LaserJet 5100dtn printer

The HP LaserJet 5100dtn printer (product number: Q1862A) is a 22 ppm laser printer that comes standard with a 100-sheet multipurpose Tray 1, a 250-sheet Tray 2, a 500-sheet feeder, 32 MB of memory, an HP Jetdirect print server for connecting to a fast Ethernet (10/100BaseTX) network, an embedded Web server DIMM for remote printer management, and a duplex printing accessory for printing on two sides of a sheet of print media. The printer is designed for network users and can print full-b leed images on pape r sizes up t o A3 and 11 b y 17 inches (279 by 432 mm).

HP LaserJet 5100Le printer

This printer (product number: Q1863A) is a 22 ppm laser printer that comes standard with a 100-sheet multipurpose Tray 1, a 250-sheet Tray 2, and 16 MB of memory. The printer can print full-bleed images on paper sizes up to A3 and 11 by 17 inches (279 by 432 mm). Paperhandling and EIO accessories are not available for the HP LaserJet 5100Le printer

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Table 2. Comparison of HP LaserJet 5100 Series printers

HP LaserJet 5100

(Q1860A)

Ethernet 10-T/ 10-2 optional standard standard not available Input bins (standard/

maximum Standard RAM 16 MB internal 32 MB 32 MB 16 MB 250-sheet feeders

(Tray 2, Tray 3) 500-sheet feeder optional standard standard N/A EIO hard disk optional optional optional N/A Duplexer optional optional standard N/A LocalTalk optional optional optional N/A Processor 300 MHz 300 MHz 300 MHz 300 MHz

2/4 3/4 3/4 2/2

1 standard 1 optional

HP LaserJet 5100tn

(Q1861A)

1 standard 1 optional

HP LaserJet 5100dtn

(Q1862A)

1 standard 1 optional

HP LaserJet 5100 LE

(Q1863A)

1 standard

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Identification

Model and serial numbers

The model and serial numbers are listed on identification labels that are located inside the top cover . The serial number is alphanumeric , such as USB000 0146 for the HP LaserJet 5100 series printer.

The serial number contains information about the origin location, as well as the revision lev el, the production code, and the production number of the printer.

The labels also contain power rating and regulatory information as shown in figure 1.

Figure 1. Sample identification labels

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Site requirements

Environmental and power requirements

The following en vironmental specif ications must be maint ained to ensure the pro per operat ion of

the printer. Consider the following points before installing the printer:



Install the printer in a well-ventilated, dust-free area.



Install the printer on a hard, flat, and continuous surface on which all four printer feet are level. Do not install the printer on carpet or other soft surfaces.



Make sure that adequate power is supplied. The printer power requirements are listed in table 3.



Install the printer where temperature and humid it y are st able, and away from wa te r so ur ce s, humidifiers, air conditioners, refrigerators, or other major appliances.



Install the printer away from direct sunlight, open flames, or ammonia fumes. If the printer is placed near a window, make sure the window has a curtain or blind to block any direct sunlight.



Install the printer with enough space around it for proper access and ventilation.



Install the printer away from the direct flow of exhaust from air-ventilation systems.

Table 3. Power requirements

Watts (average maximum, based on HP LaserJet 5100dtn printer)

standby = 24 Pow erSave on = < 30 (ENERGY

STAR®)* printer off = 0

standby = 29 Pow erSave on = < 30 (E STAR®)* printer off = 0

NERGY

Volts Frequency

100 to 127 Vac (+/-10%)

220 to 240 Vac (+/-10%)

50 to 60 Hz (+/-3 Hz)

Amps (current rating)

5.4 amps 6 amps printing = 480

2.5 amps 3 amps printing = 515

Amps (rated short-term current)

*ENERGY STAR is a U.S. registered service mark of the United Stat es Environmental Protect ion

Agency.

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Space requirements

139.8 cm (55 in)

27.0 cm (10.6 in)

30.3 cm (11.9 in)62.5 cm (24.6 in)

47.5 cm (18.7 in) 47.3 cm (18.6 in)

47.0 cm (18.5 in)

11.0 cm (4.3 in)

Figure 2. Printer dimensions—HP LaserJet 5100 printer and HP LaserJet 5100Le printer

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139.8 cm (55 in)

62.5 cm (24.6 in)

27.0 cm (10.6 in)

30.3 cm (11.9 in)

47.0 cm (18.5 in)

62.0 cm (24.4 in)

15.5 cm (6.1 in)

Figure 3. Printer dimensions—HP LaserJet 5100tn printer and HP LaserJet 5100dtn printer

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139.8 cm (55 in)

62.5 cm (24.6 in)

27.0 cm (10.6 in)

47.0 cm (18.5 in)

30.3 cm (11.9 in)

16.6 cm (6.5 in)

75.5 cm (29.7 in)

Figure 4. Printer dimensions, HP LaserJet 5100 series printer with accessories

Printer weight (without toner cartridge)



HP LaserJet 5100 printer: 23 kg (50 lb)



HP LaserJet 5100tn printer with optional 500-sheet feeder: 34 kg (75 lb)



HP LaserJet 5100dtn printer with duplexer and optional 500-sheet feeder: 52 kg (114 lb)



HP LaserJet 5100Le printer: 23 kg (50 lb)

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Environmental requirements

Table 4. Environmental specif ications

Item Operating Storage

Temperature 10° to 32° C (50° to 91° F) -20° to 60° C (-4° to 140° F) Relative humidity (RH) 20 to 80 percent RH (with no

10 percent to 95 percent RH

condensation)

Table 5. Acoustics specif ications

Printer state Sound power Bystander position Operator position

Printing at 22 ppm L Printing at 11 ppm L PowerSave L

*Maximum values are based on the HP LaserJet 5100dtn printer.

= 6.8 bels (A) L

WAd

= 6.4 bels (A) L

WAd

= 4.4 bels (A) L

WAd

=53 dB L

pAm

=50 dB L

pAm

=32 dB L

pAm

=60 dB maximum*

pAm

=56 dB maximum*

pAm

=37 dB maximum*

pAm

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Paper specifications

The following tables show paper specifications for the printer.

Table 6. Paper specifications, Tra y 1

Supported paper Dimensions

Minimum size (custom)

Maximum size (custom)

Transparencies

Labels Thickness:

Envelopes 75 to 105 g/m

1. The printer supports a wide range of paper sizes. Check the printer software for supported sizes. To print custom-size paper see the user’s guide.

2. Capacity might vary depending on paper weight and thickness, and environmental conditions.

76 by 127 mm (3 by 5 inches)

312 by 470 mm (12.28 by 18.5 inches)

Same as minimum

and maximum paper

sizes as listed above.

Weight Capacity

60 to 199 g/m

(16 to 53 lb)

Thickness:

0.099 to 0.114 mm (0.0039 to 0.0045 in)

0.127 to 0.178 mm (0.005 to 0.007 in)

(20 to 28 lb)

100 sheets of 75-g/m (20-lb) paper

75 transparencies

50 labels

10 envelopes

Table 7. Paper specifications, Tray 2 or other 250-sheet feeder

Supported Paper Dimensions

Letter 216 by 279 mm

(8.5 by 11 in)

A4 210 by 297 mm

(8.3 by 11.7 in)

Executive 191 by 267 mm

(7.3 by 10.5 in)

Legal 216 by 356 mm

(8.5 by 14 in)

B5 (JIS) 182 by 257 mm

(7.2 by 10 in)

A5 148 by 210 mm

(5.8 by 8.2 in)

11 by 17 279 by 432 mm

(11 by 17 in)

A3 297 by 420 mm

(11.7 by 16.5 in)

B4 (JIS) 257 by 364 mm

(10.1 by 14.3 in)

1. The printer supports a wide range of media sizes. Check the printer software for supported sizes.

2. Capacity might vary depending on media weight and thickness, and environmental conditions.

Weight Capacity

60 to 105 g/m (16 to 28 lb)

250 sheets of 75-g/m (20-lb) paper 50 to 100 transparencies

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Table 8. Paper specifications, 500-sheet feeder

Supported paper Dimensions

Letter Letter-R

A4 A4-R

Executive 191 by 267 mm

Legal 216 by 356 mm

B5 (JIS) 182 by 257 mm

A5 148 by 210 mm

11 by 17 279 by 432 mm

A3 297 by 420 mm

B4 (JIS) 257 by 364 mm

Minimum Size (Custom

)

216 by 279 mm (8.5 by 11 inches)

210 by 297 mm (8.3 by 11.7 inches)

(7.3 by 10.5 inches)

(8.5 by 14 inches)

(7.2 by 10 inches)

(5.8 by 8.2 inches)

(11 by 17 inches)

(11.7 by 16.5 inches)

(10.1 by 14.3 inches) 148 by 210 mm

(5.8 by 8.3 inches)

Weight Capacity

60 to 105 g/m (16 to 28 lb)

500 sheets of 75-g/m

(20-lb) paper 50 to 100 transparencies

Maximum Size (Custom

1. The printer supports a wide range of media sizes. Check the printer software for supported sizes.

2. Capacity may vary depending on media weight and thickness, and environmental conditions.

3. To print rotated paper, see the user’s guide.

4. To print custom-size paper, see the user’s guide.

)

297 by 432 mm (11.7 by 17 inches)

Table 9. Paper specifications, duplexer

Dimensions

Minimum 148 by 210 mm (5.8 by 8.3 inches) 60 to 105 g/m2 (16 to 28 lb) Maximum 297 by 432 mm (11.7 by 17 inches)

1. The printer supports a wide range of media sizes. Check the printer software for supported sizes.

Weight

Supported types of paper

The printer supports a wide variety of media, such as:



plain



letterhead



prepunched



bond



rough



vellum



preprinted



transparency



labels



recycled



card stock



user-defined (5 types)

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

color

Guidelines for using paper

For best results, use conventional 75-g/m2 (20-lb) paper. Make sure the paper is of good quality and free of cuts, nicks, tears, spots, loose particles, dust, wrinkles, voids, and curled or bent edges.

Some paper causes print-quality problems, jamming, or damage to the printer. For more specific information, see “Image defects” on page 209.

Table 10. Media issues

Symptom Problem with paper Solution

Poor print quality or toner adhesion. Problems with feeding.

Dropouts, jamming, curl. Stored improperly. Store paper flat in its moisture-proof

Increased gray background shading.

Excessive curl. Problems with feeding.

Jamming, damage to the printer. Cutouts or perforations. Do not use paper with cutouts or

Problems with feeding. Ragged edges. Use higher quality paper.

Too moist, too rough, too smooth, or embossed; faulty paper lot.

Too heavy. Use lighter paper.

Too moist, wrong grain direction, or short-grain construction.

Try another kind of paper, between 100 and 250 Sheffield, and with 4% to 6% moisture content.

wrapping. Open the rear output bin.

Open the rear output bin. Open the rear output bin.

Use long-grain paper.

FUSER MODE=LOW.

Set

perforations.

Note Do not use letterhead paper that is printed with low-temperature inks, su ch as those used in some

types of thermography. Do not use raised letterhead. The printer uses heat and pressure to f use toner to the p aper. Make su re that an y colored paper

or preprinted forms use inks that are compatible with the printer’s temperature (200° C or 392° F for 0.1 second).

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Paper weight equivalence table

Use this table to determine approximate equivalent points in weight specifications other than U.S. bond weight. For example, to determine the equivalent of 20-lb U.S. bond-w eight paper in U.S. cover weight , locate the bond weight (in row 3, second column) and scan across the row to the cover weight (i n the fourth column). The equivalent is 28 lb.

Shaded areas indicate a standard weigh t for that gra de.

U.S. postcard thickness

(mm)

bond

weight (lb)

U.S.

text/book

weight (lb)

U.S.

cover

weight (lb)

U.S.

bristol

weight (lb)

U.S.

index

weight (lb)

U.S.

tag

weight (lb)

Europe

metric weight (g/m2)

Japan

metric weight (g/m2)

1 16 41 22 27 33 37 60 60 2 17432429353964 3 4 215430364449

20 50 28 34 42 46 75 75

80 80 5 22563138465181 6 7 276837455561 8 9

24 60 33 41 50 55 90 90

100 100 28 70 39 49 58 65 105 105 32 80 44 55 67 74 120 120

10 34 86 47 58 71 79 128 11 12

.18 39 100 55 67 82 91 148 148

36 90 50 62 75 83 135 135

13 .19 42 107 58 72 87 97 157 14 15 .23 47 119

.20 43 110 60 74 90 100 163 163

65 80 97 108 176 176

128

157

16 53 134 74 90

1. U.S. postcard measurements are approximate. Use for reference only.

110 122 199 199

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Labels

CAUTION To avoid damaging the printer, use only lab els that are recommended for use in laser printers.

If you have problems printing labels, use Tray 1 and open the rear output bin. Never print on the same sheet of labels more than once .

When selecting labels, consider the quality of each component:



Adhesives: The adhesive material shou ld be stable at 200 ° C (392° F), the printer’s maximum temperature.



Arrangement: Only use labels that have no exposed backing between them. Labels can peel off of sheets that have spaces between the labels, cau sing serious jams.



Curl: Before printing, labels must lie flat with no more than 13 mm (0.5 inch) of curl in any direction.



Condition: Do not use labels that have wrinkles, bubbles, or other indications of separation.

Transparencies

Transparencies used in the printer must be able to withstand 200° C (392° F), the printer’s maximum temperature. For best results, close the rear output bin to print transparencies to the top output bin.

CAUTION To avoid damaging the printer, use only transparencies that are recommended for use in

monochrome laser printers. If you have problems printing on transparencies, use Tray 1.

Vellum

V ellum is typically a special lightweight paper similar to parchment. Print vellum from Tray 1 only, and open the rear output bin. Do not print on both sides of vellum.

Vellum used in the printer must be able to withstand 200° C (392° F), the printer’s maximum temperature.

Envelopes

Always print envelopes from Tray 1. To help prevent envelopes from wrinkling or jamming, open the rear output bin.

Envelope construction

Envelope construction is critical. Envelope fold lines can vary considerably, not only between manufacturers, but also within a box from the same manufacturer. Successful printing on envelopes depends upon the quality of the envelopes. When selecting envelopes, consider the following components:

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

Weight: The weight of the envelope paper should not exceed 105 g/m2 (28 lb), or jamming can result.



Construction: Before printing, env elopes should lie flat with less than 6 mm (0.25 inch) curl, and should not contain air. (Envelopes that trap air can cause problems.)



Condition: Make sure envelopes are not wrinkled, nicked, or otherwise damaged.



Size: Tray 1, the multipurpose tray, handles envelope sizes from 76 by 127 mm (3 by 5 inches) to 312 by 470 mm (12.28 by 18.5 inches).

Envelopes that have double side seams

Double-side-seam construction has v ertical seams at both ends of the envelope rather than diagonal seams. This style can be more likely to wrinkle . Be sure that the seam extends all the way to the corner of the envelope as illustrated below.

Acceptable

Unacceptable

Figure 5. Envelopes with double side seams

Envelopes that have adhesive strips or flaps

Envelopes that have a peel-off adhesive strip or more than one flap that f olds over to seal must use adhesives that are compatible with the heat and pressure in the printer. The extra flaps and strips might cause wrinkling, creasing, or jams.

Envelope marg ins

The following tabl e shows typical address margins for a Commercial #10 or DL envelope.

Table 11. Envelope margins

Type of address Top margin Left margin

Return address 15 mm (0.6 inch) 15 mm (0.6 inch) Delivery address 51 mm (2 inches) 89 mm (3.5 inches)

Note For the best print quality , position ma rgins no closer than 15 mm (0.6 inch) f rom the edges of the

envelope.

Envelope storage

Proper storage of envelopes helps contribute to good print quality. Envelopes should be stored flat. If air is trapped in an envelope, creating an air bubble, the envelope might wrinkle during printing.

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Card stock and heavy paper

Many types of card stock can be printed from Tray 1, including inde x cards and post cards . Some card stock performs better than others because its construction is better suited for feeding through a laser printer.

For optimum printer performance, do not use paper heavier than 199 g/m 105 g/m

(28 lb) in other tra ys . Paper that is too hea vy might cause misf eed s, sta cking prob lems ,

paper jams, poor toner fusing, poor print quality, or excessive mechanical wear.

Note Printing on heavier paper might be possible if the tray is not filled to capacity, and if paper with a

smoothness rating of 100 to 180 Sheffield is used.

Card stock construction



Smoothness: 135- to 199-g/m2 (36 to 53 lb) card stock sh ould have a smoothness r at ing o f 100 to 180 Sheffield; 60- to 135-g/m rating of 100 to 250 Sheffield.



Construction: Card stock should lie flat with less than 5 mm (0.2 inch) of curl.



Condition: Make sure card stock is not wrinkled, nicked, or otherwise damaged.



Sizes: Use only card stock within the following size ranges:

• minimum: 76 by 127 mm (3 by 5 inches)

• maximum: 312 by 470 mm (12.28 by 18.5 inches)

(16 to 36 lb) card stock should have a smoothness

(53 lb) in Tray 1 or

Note Before loading card stock in Tray 1, make sure it is regular in shape and not damaged. Also, make

sure the cards are not stuck together.

Card stock guidelines



If cards curl or jam, try printing from Tray 1 and opening the rear output bin.



Set margins at least 2 mm (0.08 inch) away from the edges of the paper.

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Safety information

Laser safety statement

The Center for Devices and Radiological Health (CDRH) of the U.S. Food and Drug Administration has implemented regulations for laser products manufactured since August 1,

1976. Compliance is mandatory for products marketed in the United States. The printer is certified as a “Class 1” laser product under the U.S. Department of Health and Human Services (DHHS) Radiation Performance Standard according to the Radiation Control for Health and Safety Act of 1968. Since ra diation emitted inside the printer is completely confined within protective housings and external covers, the laser beam cannot escape during any phase of normal user operation.

WARNING! Using controls, making adjustments , or perf o rming procedures other than those specified in this

service manual might result in exposure to hazardous radiation.

Canadian DOC regulations

Complies with Canadian EMC Class B requirements.

«Conforme á la classe B des normes canadiennes de compatibilité électromagnétiques. «CEM».»

FCC regulations

This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC rules. These limits are designed to pro vide reasonab le protect ion against harmful interference in a residential installation . This equipment generates, uses, and can radiate radio frequency energ y. If this equipment is not installed and used in accordance with the instructions, it may cause harmful interf erence to r adio communicat ions. Ho we ver, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged t o try to correct the interference by one or more of the following measures:



Reorient or relocate the receiving antenna.



Increase the separation between the equipment and the receiver.



Connect the equipment to an outlet on a different circuit from that to which the receiver is connected.



Consult your dealer or an experienced radio and television technician.

Note Any changes or modifications to the printer that are not expressly a pprov ed by HP could v oid the

user’s authority to operate this equipment. Use of a shielded interface cable is required to comply with the Class B limits of Part 15 of FCC

rules.

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Laser statement for Finland

Luokan 1 laserlaite

Klass 1 Laser Apparat

HP LaserJet 5000, 5000 N, 5000 GN -laserkirjoitin on käyttäjän kannalta turvallinen luokan 1 laserlaite. Normaalissa käytössä kirjoittimen suojakotelointi estää lasersäteen pääsyn laitteen ulkopuolelle. Laitteen turvallisuusluokka on määritetty standardin EN 60825 -1 ( 1994) mu kaise sti.

V aroitus!

Laitteen käyttäminen muulla kuin käyttöohjeessa mainitulla tavalla saattaa altistaa käyttäjän turvallisuusluokan 1 ylittävälle näkymättömälle lasersäteilylle.

V arning!

Om apparaten används på annat sätt än i bruksanvisning specificerats, kan användar en utsättas för osynlig laserstrålning, som överskrider gränsen för laserklass 1.

HUOLTO HP LaserJet 5000, 5000 N, 5000 GN -kirjoittimen sisällä ei ole käyttäjän huollettavissa olevia kohteita. Laitteen saa avata ja huoltaa ainoastaan sen huoltamiseen koulutettu henkilö. Tällaiseksi huoltotoimenpiteeksi ei katsota väriainekasetin vaihtamista, paperiradan puhdistusta tai muita käyttäjän käsikirjassa lueteltuja, käyttäjän tehtäväksi tarkoitettuja ylläpitotoimia, jotka voidaan suorittaa ilman erikoistyökaluja.

Varo!

Mikäli kirjoittimen suojakotelo a v ataan, olet alt tiina näkymättömälle lasersäteilylle laitteen ollessa toiminnassa. Älä katso säteeseen.

V arning!

Om laserprinterns skyddshölje öppnas då apparaten är i funktion, utsättas användaren för osynlig laserstrålning. Betrakta ej strålen.

Tiedot laitteessa käytettävän laserdiodin säteilyominaisuuksista:

Aallonpituus 775-795 nm Teho 5 mW Luokan 3B laser

Material Safety Data Sheet

Material Safety Data Sheets can be obtained from the HP LaserJet Supplies website at

http://www.hp.com/go/msds

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Environmental product stewardship

Protecting the environment

Hewlett-Packard Company is committed to providing quality products in an envir onmentallysound manner. The printer has been designed to minimize impacts on the environment.

The printer design eliminates:

Ozone production

Energy consumption

The printer does not use high-voltage corona wires in the electrophotographic process and therefore generates no appreciable ozone gas (O

). Instead, this printer uses charging rollers in the toner

cartridge and in the print engine.

This HP LaserJet printer design reduces:

Power usage drops significantly while in PowerSave mode, which saves natural resources and sav es money with out affe cting the high perf ormance of this printer. This printer qualifies for E

NERGY STAR

program to encourage the development of energy-efficient off ice products.

NERGY STAR is a U.S. registered service mark

owned by the U.S. government. As an E partner, Hewlett-Packard Company has determined that this printer meets E energy efficiency

http://www.energystar.gov/

. For more information, see

NERGY STAR Guidelines for

, which is a voluntary

NERGY STAR

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2 Service approach

Overview

Regulatory information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Service approach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Parts and supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Warranty. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Limited warranty for the print cartridge. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36

Service and support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37

Worldwide service and support offices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

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Regulatory information

For regulatory information and requirements, FCC regulations, and declaration of conformity, please see the start guide.

For environmental product stewardship program information, please see the use guide.

Service approach

Repair of the printer normally begins with a three-step process: 1 Isolate the prob lem to the major system (the host co mputer , the network and/or server , or t he

printer).

2 Determine whether the problem is located in the print engine or an accessory device. 3 Troubleshoot the problem using the troubleshooting information in chapter 7.

Once a faulty part is located, repair is usually accomplished by assembly-level replacement of field replaceable units (FRUs). Some mechanical assemblies can be repaired at the subassembly le vel. He wlett-P ac kard does not support replacement of components on the printed circuit assemblies.

Parts and supplies

Information about ordering

Chapter 8 of this manual contains field replacement unit (FRU) and replacement part numbers. Replacement parts can be ordered from the HP Customer Support (HPCS) organization.

Chapter 8 of this manual also contains information about products specifically designed for this printer. Order accessories from HPCS.

Note See "Worldwide service and support offices" on page 38 to find information f or a local HP office

in the appropriate region.

HPCS phone listings



HPCS (for U.S.) (1) (800) 752-0900



HPCS (for Canada) (1) (800) 387-3867



HPCS (for Europe) (49 7031) 142253

Exchange program

HP might offer remanufactured assemblies for parts. These can be ordered through HPCS.

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Warranty

For warranty information and requirements, see the start guide.

Limited warranty for the print cartridge

For print cartridge warranty information, see the start guide.

Service and support

World Wide Web

Print drivers, updated HP MFP firmware, and product and support information can be obtained from the following URLs:



U.S., http://www.hp.com/support/lj5100



Europe, http://www.hp.com/support/lj5100



China, ftp://www.hp.com.cn/support/lj5100



Japan, ftp://www.jpn.hp.com/support/lj5100



Korea, http://www.hp.co.kr/support/lj5100



Taiwan, http://www.hp.com.tw/support/lj5100, or the local driver website, http:// www.dds.com.tw

HP support assistant CD-ROM

This support tool offers a comprehensive online information system designed to provide technical and product information about He wlett-Packard prod ucts. To subscribe to this quarterly service in the U.S. or Canad a, ca ll (1) ( 80 0) 457 -1 762. In Hong Kong SAR, Indonesia, M alaysia, or Singapore, call Mentor Media at (65) 740-4477.

HP-authorized resellers and support

To locate HP-authorized resellers and support, call (1) (800) 243-9816 in the U.S. or (1) (800) 387-3867 in Canada. See "Worldwide service and support offices" on page 38 for areas outside of North America.

HP service agreements

Call (1) (800) 743-8305 in the U.S. or (1) (800) 268-1221 in Canada.

HP PartnerCare

You can use the following information to contact HP PartnerCare:



PartnerShip Web. http://www.partner.americas.hp.com e-mail at websupport@mnl.com



Connect Online. http://www.connect-online.hp.com e-mail at PTS, INFOLINE (HP-Germany, exgen1)



Asia-Pacific countries/regions. http://partnercare.asiapac.hp.com/



Canada Partner. http://www.canada.hp.com



Latin America. http://www.conecta.latinamerica.hp.com e-mail at SUPPORT-TEAM,LAR (HP-Miami, exgen1 )

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Worldwide service and support offices



For the U.S., call (1) (208) 323-2551 Mo nday through Friday from 6 A.M. to 6 P.M., Mountain time.



For Canada, call (1) (905 ) 206-4663 or (1) (800) 387-3867 Monday through Friday from 8

A.M. to 8 P.M., Mountain time.



For customers outside of North America, use the following list and call the appropriate telephone number f or the country or region.

Europe



Austria: 43 (0)810 00 6080



Belgium Dutch: 32 (0)2 626-8806 French: 32 (0)2 626-8806



Czech Republic: 42 (0)2 6130 7310



Denmark: +45 39 29 4099



International English: +44 (0 )207 512 52 02



Finland: 358 (0)203 47 288



France: 33 (0)1 43 62 34 34



Germany: 49 (0)180 52 58 143



Greece: +30 (0)1 619 64 11



Hungary: +36 (0)1 382-1111



Ireland: +353 (0)1 662 5525



Italy: 39 02 264 10350



Netherlands: 31 (0)20 606 8751



Norway: 47 22 11 6299



Poland: +48 22 865 98 00



Portugal: 351 21 3176333



Romania: +40 1 315 44 42 (or 01 3154442)



Russian Federation Moscow: +7 095 797 3520 St. Petersburg: +7 812 346 7997



Spain: +34 902 321 123



Sweden: +46 (0)8 619 2170



Switzerland: +41 (0)848 80 11 11



Turkey: +90 212 221 69 69



Ukraine: +7 (380-44) 490-3520



U.K.: +44 (0)207 512 52 02

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Africa and Middle East



Egypt: +202 7956222



International English: +44 (0 )207 512 52 02



Israel: +972 (0)9 9524848



South Africa Inside RSA: 086 000 1030 Outside RSA: +27-11 258 9301



United Arab Emirates, Bahrain, Jordan, Kuwait, Lebanon, Oman, Palestine, Qatar, Saudi Arabia, and Yemen: 971 4 883 8454

Asia-Pacific countries/regions



Australia: (03) 8877 8000



China: +86 (0)10 6564 5959



Hong Kong SAR: +85 (2) 2802 4098



India: +91 11 682 6035



Indonesia: +62 (21) 350-3408



Japan: +81 3 3335-8333



Republic of Korea Seoul: +82 (2) 3270-0700 Outside Seoul: 080 999-0700



Malaysia: +60 (3) 295 2566



New Zealand: +64 (9) 356 6640



Philippines: +63 (2) 867 3551



Singapore: +65 272 5300



Taiwan: +886 (2) 2717 0055



Thailand: +66 (2) 661 4000



Vietnam: +84 (0) 8 823 4530

Latin America



Argentina: 0810-555-5520



Brazil Greater Sao Paulo: (11) 3747-7799 Outside Greater São Paulo: 0800-157751



Chile: 800-22-5547



Guatemala: 800-999-5305



Mexico Mexico City: 52-58-9922 Outside Mexico City: 01-800-472-6684



Peru: 0-0800-10111



Puerto Rico: 1-877-2320-589



Venezuela Caracas: 207 8488 Outside Caracas: 800 47 777

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3 Printer operation

Overview

Using the control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Control panel layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Control panel lights. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42

Control panel keys . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43

Settings and defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44

Control panel menus. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 45

Private/stored jobs menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46

Information menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47

Paper-handling menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48

Print-quality menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50

Printing menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51

Configuration menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53

I/O menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55

EIO menu (HP LaserJet 5100tn and 5100dtn printers) . . . . . . . . . . . . . . . . . . . . . . . . . . . 56

Resets menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58

Service mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Service menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59

Setting the page count, maintenance count, and serial number . . . . . . . . . . . . . . . . . . . . 60

Cold reset paper size . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Diagnostics. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Clear event log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62

Testing the printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Resetting the printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Cold reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Clearing NVRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

Initializing the hard disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63

System configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

MS-DOS system configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Parallel MS-DOS commands . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Printer I/O configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

Parallel menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64

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Using the control panel

Control panel layout

The printer’s control panel consists of the following components:

READY

Two-line

display

Figure 6. Control panel layout

Ready Data Attention

Cancel

Control panel lights

Table 12. Interpreting control panel lights

Job

Item

- Value +

Select

Light Indication

Ready The printer is ready to print. Data The printer is processing information. Attention Action is required. See the control panel display.

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Control panel keys

Press the control panel keys to perform the functions shown in table 13.

Table 13. Control panel keys

Key Function

[Go]



Places the printer either online or offline.



Prints any data that resides in the printer’s buffer.



Allows the printer to resume printing after being off lin e.



Clears most printer messages and places the printer online.



Allows the printer to continue printing with an error message such as TRAY x

LOAD [TYPE] [SIZE]



Confirms a manual feed request if Tray1 is loaded and TRAY 1

MODE=CASSETTE

has been set from the Paper Handling menu on the printer’s

or UNEXPECTED PAPER SIZE.

control panel.



Overrides a manual feed request from Tray 1 by selecting paper from the next available tray.



Exits the control panel menus. (To save a selected control panel setting, first press [Select].)

[Cancel Job] Cancels the print job that the printer is processing. The time it takes to cancel

depends on the size of the print job. (Press it only once.)

[Menu] Cycles through the control panel menus. Press the right end of the button to move

forward or the left end of the button to move backward.

[Item] Cycles through the selected menu’s items. Press the right end of the button to

move forward or the left end of the button to move backward.

[- Value +] Cycles through the selected menu item’s values. Press [+] to move forward or [-] to

move backward.



[Select]

Saves the selected value for that item. An asterisk (*) appears next to the selection, indicating that it is the new default. Default settings remain when the printer is switched off or reset (unless you reset all factory defaults from the Resets Menu).



Prints the printer information page shown on the control panel display.

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Settings and defaults

The printer makes most printing decisions based on either temporary settings or permanent defaults.

Note Settings that are sent from software applications override printer defaults.

Table 14. Settings and defaults

Setting or default Explanation

Temporary setting A value set for the current print job by the software application or driver. For

example, a request from the software to print three copies instead of the control panel default value of one copy is a temporary setting. The printer continues to use the temporary setting until it receives another software request or until it is reset.

Control panel default A value set at the control panel when you select a menu item. An asterisk appears,

indicating the default setting. The printer retains this default when it is turned off.

Factory default The value set for each menu item at the factory. Factory defaults are listed in the

item column in the menu tables starting on page 47.

Setting the display language

1 Press and hold [SELECT] while turning on the printer. Hold [SELECT] until SELECT LANGUAGE

appears.

2 Release [S

language)

3 Press [- V 4 Press [S 5 Press [G

ELECT] to save your choice. An asterisk (*) appears beside the selected language.

O] to exit the menu.

ELECT]. INITIALIZING appears briefly. Wait for LANGUAGE=[(current selected

] to appear.

ALUE +] repeatedly until the language you want appears.

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Control panel menus

Press [MENU] for access to all contro l panel menus. When additional trays or other accessories are installed in the printer, new menu items automatically appear.

To change a control panel setting:

1 Press [MENU] until the menu you want appears. 2 Press [I 3 Press [- V 4 Press [S

TEM] until the item you want appears.

ALUE +] until the setting you want appears.

ELECT] to save the selection. An asterisk (*) appears next to the selection in the

display, indicating that it is now the default. 5 Press [G

O] to exit the menu.

Note Settings in the printer driver and software application override control panel settings. (Software

application settings override printer-driver settings.) If you cannot gain access to a men u or item, it is either not an option for the printer or the customer’s

network administrator has lock ed the function. (The contro l panel reads

ACCESS DENIED MENUS

LOCKED.) See the customer’s network administrator.

To print a control panel menu map:

To see the current settings for all of the menus and items available in the control panel, print a control panel menu map.

1 Press [M 2 Press [I 3 Press [S

ENU] until INFORMATION MENU appears.

TEM] until PRINT MENU MAP appears.

ELECT] to print the menu map.

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Private/stored jobs menu

This menu provides a list of the private, stored, quick-copy, and proof-and-hold jobs on the printer’s hard disk or in RAM memory. The user can send th e command from the control panel t o print or delete these jobs.

Note If no private, stored, quick-copy, or proof-and-hold jobs exist on the printer’s optional hard disk or

in RAM memory, this menu does not appear on the control panel.

Table 15. Private/stored jobs menu

Item Explanation

[JOBNAME]

PIN:0000

COPIES=X

DELETE:

The name of the job stored on the printer’s hard disk or in RAM. To print a private job, the user must enter the personal identification number (PIN)

assigned to the job in the driver. The number of copies the user wants to print.

1-999: Prints the requested number of copies of the job.

Deletes the job from the printer’s hard disk or RAM memory.

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Information menu

This menu contains printer information pages that give details about the printer and its configuration. To print an information page, scroll to the page you want and press [S

Table 16. Information menu

Item Explanation

ELECT].

PRINT MENU MAP

PRINT CONFIGURATION

PRINT PCL FONT LIST

PRINT PS FONT LIST

PRINT FILE DIRECTORY

PRINT EVENT LOG

SHOW EVENT LOG

PRINT PAPER PATH TEST

The menu map shows the layout and current settings of the control panel menu items.

The configuration page shows the printer’s current configuration. If an HP Jetdirect print server card is installed (HP LaserJet 5100tn and 5100dtn printers), a Jetdirect configuration page will print out as well.

The PCL font list shows all the PCL fonts currently availabl e to the printer.

The PS font list shows all the PS fonts currently available to the printer.

This item appears only when a mass-storage device (such as an optional flash DIMM or hard disk) containing a recognized file system is installed in the printer. The file directory shows information for all installed mass-storage devices.

The even t l og li sts printer events or errors.

This item allows you to view the most recent printer events on the control panel display. Press [-Value+] to scroll through the event-log entries.

Use the paper-path test to verify that the paper path is working properly, or to troubleshoot problems with a type of paper. Choose the input tray, output bin, duplexer (if available), and number of copies.

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Paper-handling menu

When paper-handling settings are correctly configured thr ough the control panel, you can print by choosing the type and size of paper from the printer driver or software application.

Some items in this menu (such as duplex and manual feed) can be opened from a software application, or from the printer driver (if the appropriate driver is installed). Printer-driver and software application settings override control panel settings .

Table 17. Paper-handling menu

Item/default Values Explanation

TRAY 1 MODE= FIRST

TRAY 1 SIZE= LETTER

TRAY 1 TYPE= PLAIN

TRAY 2 TYPE= PLAIN

TRAY 3 TYPE= PLAIN

TRAY 4 TYPE= PLAIN

FIRST CASSETTE

For supported media, see page 26.

MANUAL FEED=OFF OFF

DUPLEX=OFF OFF

BINDING= LONG EDGE

OVERRIDE A4 WITH LETTER=NO

CONFIGURE FUSER MODE MENU=NO

LONG EDGE SHORT EDGE

NO YES

Determine how the printer will use Tray 1.

FIRST: If paper is loaded in Tray1, the printer will pull paper

from that tray first.

CASSETTE: A paper size must be assigned to Tray 1 by

using the when TRAY 1 MODE=CASSETTE). This allows Tray 1 to be used as a reserved tray.

This item appears only when TRAY 1 MODE= CASSETTE. Set the value to correspond with the paper size in Tray 1.

This item appears only when TRAY 1 MODE= CASSETTE. Set the value to correspond with the paper type in Tray1.

Set the value to correspond with the paper type in Tray 2.

This item appears only when a Tray 3 is installed. Set the value to correspond with the paper type in Tray 3.

This item appears only when a Tray 4 is installed. Set the value to correspond with the paper type in Tray 4.

Feed the paper manually from Tray 1, rather than automatically from a tray. When MANUAL FEED=ON and Tray 1 is empty, the printer goes offline when it receives a print job and displays

This item appears only when an optional duplexer is installed. Set the value to ON to print on both sides (duplex) or

This item appears only when an optional duplexer is installed and the duplex option is on. Choose the binding edge when duplexing (printing on both sides of paper).

Choose YES to print on letter-size paper when an A4 job is sent but no A4-size paper is loaded in the printer (or to print on A4-size paper when a letter job is sent but no letter-size paper is loaded in the printer).

Configure the fuser mode that is associated with each paper type. (This is only necessary if you are experiencing problems when printing on certain paper types.)

TRAY 1 SIZE option (the next item in this menu

MANUALLY FEED [PAPER SIZE].

OFF to print on one side (simplex) of a sheet of paper.

NO: The fuser-mode menu items are not accessible. YES: Additional items appear.

Note: To see the current default fuser mode for each paper

type, select then print a menu map (page 47).

YES, scroll back to the information menu, and

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Table 17. Paper-handling menu

Item/default Values Explanation

[TYPE]= NORMAL

NORMAL LOW HIGH

VELLUM

This item appears only when CONFIGURE FUSER MODE

MENU=YES

. Most paper types are set to NORMAL by default.

ROUGH=HIGH

VELLUM=VELLUM

For a complete list of supported paper types, see page 26.

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Print-quality menu

Some items in this menu can be opened from a software application, or from the printer driv er (if the appropriate driver is installed). Printer-driver and software application settings override control panel settings.

Table 18. Print-quality menu

Item Values Explanation

RESOLUTION= FASTRES 1200

300 600 FASTRES 1200 PRORES 1200

RET=MEDIUM OFF

LIGHT MEDIUM DARK

ECONOMODE=OFF OFF

TONER DENSITY=3 1

2 3 4 5

Select the resolution from the following values:

300: Produces draft print quality at the printer’s maximum

speed (22 ppm). 300 dpi (dots per inch) is recommended for some bitmapped fonts and graphics, and for compatibility with the HP LaserJet III family of printers.

600: Produces high print quality at the printer’s maximum

speed (22 ppm).

FASTRES 1200: Produces optimum print quality

(comparable to 1200 dpi) at the printer’s maximum speed (22 ppm).

PRORES 1200: Produces optimum print quality (true 1200

dpi) at half the printer’s maximum speed (11 ppm). When the resolution is changed, any resources that have been downloaded (such as fonts or macros) have to be downloaded again, unless they are stored on an optional hard disk or flash DIMM.

Note: It is best to change the resolution from the printer driver

or software application. (Driver and software settings override control panel settings.)

Use the printer’s Resolution Enhancement technology (REt) setting to produce print with smooth angles, curves, and edges. REt does not affect print quality when the print resolution is set to ProRes 1200. All other print resolutions, including FastRes 1200, benefit from REt.

Turn EconoMode on (to save toner) or off (for high quality). EconoMode creates draft-quality printing by reducing the amount of toner on the printed page by up to 50 percent.

Caution: HP does not recommend full-time use of

EconoMode. (If EconoMode is used full-time, it is possible that the toner supply will outlast the mechanical parts in the toner cartridge.)

Note: It is best to turn EconoMode on or off from the printer

driver or software application. (Driver and software settings override control panel settings.)

Lighten or darken the print on the page by changing the toner density setting. The settings range from 1 (light) to 5 (dark), but the default setting of 3 usually produces the best results.

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CREATE CLEANING PAGE

PROCESS CLEANING PAGE

No value to select. Press [Select] to print a cleaning page (for cleaning excess

toner from the paper path). In order for the cleaning page to work properly, print the page on copier-grade paper (not bond or rough paper). Follow the instructions on the cleaning page.

No value to select. This item appears only after a cleaning page has been

generated (as described above). Press [Select] to process the cleaning page.

Printing menu

Some items in this menu can be opened fr om a sof tw ar e appli cation, or fro m the printer driv e r (if the appropriate driver is installed). Printer-driver and software application settings ov erride control panel settings.

Table 19. Printing menu

Item Values Explanation

COPIES=1 1 to 999

PAPER=LETTER

(110 V printers) or

For supported paper sizes see page 25.

PAPER=A4

(220 V printers and

ENVELOPE=COM10

(110 V printers)

ENVELOPE=DL

(220 V printers)

CONFIGURE CUSTOM PAPER=NO

UNIT OF MEASURE=INCHES

(110 V printers) or

NO YES

INCHES MILLIMETERS

MILLIMETERS

(220 V printers)

X DIMENSION=

12.28 INCHES

(110 V printers) or

312 MILLIMETERS

(220 V printers)

Y DIMENSION=

17.70 INCHES

(110 V printers) or

470 MILLIMETERS

(220 V printers)

3.00 to 12.28 INCHES

(110 V printers) or

76 to 312 MILLIMETERS

(220 V printers)

5.00 to 18.50 INCHES

(110 V printers) or

127 to 470 MILLIMETERS

(220 V printers)

Set the default number of copies by selecting any number from 1 to 999. Press

[-Value+] once to change the setting by increments of 1, or

hold down [-Value+] to scroll by increments of 10.

Note: It is best to set the number of copies from the printer

driver or software application. (Driver and software settings override control panel settings.)

Set the default image size for paper and envelopes. (The item name will change from paper to envelope as you scroll through the available sizes.)

Note: It is best to set the number of copies from the printer

driver or software application. (Driver and software settings override control panel settings.)

NO:

The custom paper menu items are not accessible.

YES: The custom paper menu items appear (see the next

three items). This item appears only when CONFIGURE CUSTOM

PAPER=YES

paper size.

This item appears only when

PAPER=YES

fed into the printer (short edge).

This item appears only when

PAPER=YES

. Select the unit of measurement f o r th e custom

CONFIGURE CUSTOM

. Select the dimension of the leading edge to be

CONFIGURE CUSTOM

. Select the other dimension (long edge).

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ORIENTATION= PORTRAIT

FORM=60 LINES

(110 V printers) or

64 LINES

(220 V printers)

PORTRAIT LANDSCAPE

Determine the default orientation of print on the page.

Note: It is best to set the page orientation from the printer

driver or software application. (Driver and software settings override control panel settings.)

5 to 128 Set vertical spacing from 5 to 128 lines for default paper

size. Press [-Value+] once to change the setting by an increment of 1, or hold down [-Value+] to scroll by increments of 10.

Table 19. Printing menu

Item Values Explanation

PCL FONT SOURCE=INTERNAL

INTERNAL SOFT SLOT 1, 2, or 3

PCL FONT

0 to 999

NUMBER=0

PCL FONT

0.44 to 99.99

PITCH= 10.00

PCL FONT

4.00 to 999.75

SIZE=12.00

PCL SYMBOL SET=PC-8

PC-8

many others

COURIER=REGULAR REGULAR

DARK

WIDE A4=NO NO

YES

INTERNAL

: Internal fonts.

SOFT: Permanent soft fonts. SLOT 1, 2, or 3: Fonts stored in one of the three DIMM

slots. The printer assigns a number to each font and lists the

numbers on the PCL Font List. The font number appears in the Font # column of the printout.

This item might not appear, depending on the font selected. Press [-Value+] once to change the setting by an increment of .01 for pitch, or hold down [-Value+] to scroll by increments of 1.

This item might not appear, depending on the font selected. Press [-Value+] once to change setting by an increment of .25 for point size, or hold down [-Value+] to scroll by increments of 1.

Select any one of several available symbol sets from the printer control panel. A symbol set is a unique grouping of all the characters in a font. PC-8 or PC-850 is recommended for line-draw char acters. See the user gui de for more inf ormation about symbol-set charts.

Select the version of Courier font to use:

REGULAR: The internal Courier font that is available on the

HP LaserJet 4 series printers.

DARK: The internal Courier font that is available on the HP

LaserJet III series printers. These two fonts are not available at the same time.

The Wide A4 setting changes the number of characters that can be printed on a single line of A4 paper.

NO: Up to 78 10-pitch characters can be printed on one line. YES: Up to 80 10-pitch characters can be printed on one line.

APPEND CR TO LF=NONO

YES

PRINT PS ERRORS=OFF

OFF ON

Select YES to append a carriage return to each line feed that is encountered in backward-compatible PCL jobs (pure text, no job control). Some environments, such as UNIX, indicate a new line using only the line-feed control code. This option allows the user to append the required carriage return to each line feed.

Select ON to print the PS error page when PS errors occur.

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Configuration menu

Items in this menu affect the printer’s behavior. Configure the printer according to your printing needs.

Table 20. Configuration menu

Item Values Explanation

POWERSAVE= 30 MINUTES

PERSONALITY= AUTO

RESOURCE SAVE= OFF

PAGE PROTECT= AUTO

15 MINUTES 30 MINUTES 1 HOUR 2 HOURS 3 HOURS

AUTO PCL PS

OFF AUTO ON

AUTO ON

Set the printer to change to PowerSave mode after it has been idle for a specified amount of time. Turning Pow erSa v e off is not recommended. The PowerSave feature does the following:

1. Minimizes the amount of power consumed by the printer when it is idle.

2. Reduces wear on the printer’s electronic components. (Turns off the display’s backlight.) When you send a print job, press a control panel key, open a paper tray, or open the top cover, the printer automatically comes out of PowerSave mode.

Note: PowerSave turns off the backlight on the display, but

the display is still readable. Select the default printer language (personality). Possible

values are determined by which valid languages are installed in the printer. Normally, you should not change the printer language (the default is language, the printer will not automatically switch from one language to another unless specific software commands are sent to the printer.

Dedicate printer memory to save each language’s permanent resources. (You might have to add memory to the printer in order for this item to appear.) The amount of memory set aside can be different for each installed language. Some languages might have memory set aside for resource saving without requiring all languages to do so. Any time the amount of memory dedicated to a specific language is changed, all languages will lose all saved resources, including any unprocessed print jobs.

AUTO). If you change it to a specific printer

OFF: No language resource saving is performed, and

language-dependent resources, such as fonts and macros, are lost when language or resolution changes.

ON: An item will appear for each installed language that

allows the user to allocate a particular amount of memory to that language’s resource saving area. (See the items below.)

AUTO: The printer automatically determines the amount of

memory to use for each installed language’s resource saving area.

This item appears only after a 21 PAGE TOO COMPLEX,

PRESS GO TO CONTINUE

Memory Enhancement technology (MEt) attempts to guarantee that all pages will print. If the page does not print,

PAGE PROTECT to ON. This might increase chances of a

turn

20 INSUFFICIENT MEMORY, PRESS GO TO CONTINUE

message. If this occurs, simplify the print job or install additional memory.

message appears.

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Table 20. Configuration menu

Item Values Explanation

CLEARABLE WARNINGS=JOB

JOB ON

AUTO CONTINUE=ONON

OFF

TONER LOW=CONTINUE

JAM RECOVERY= AUTO

CONTINUE STOP

AUTO ON OFF

MAINTENANCE

OFF

MESSAGE=OFF

SMALL PAPER SPEED=NORMAL

NORMAL SLOW

Set the amount of time that a clearable warning appears on the printer control panel.

JOB: Warning messages appear on the control panel until

the end of the job from which they were generated.

ON: Warning messages appear on the control panel until

[Go] is pressed.

Determine how the printer reacts to errors.

ON: If an error occurs that prevents normal printing, the

message appears, and the printer will go offline for 10 seconds before returning online.

OFF: If an error occurs that prevents printing, the message

will remain on the display and the printer will remain offline until [Go] is pressed. If the printer is on a network, you will probably want to turn

AUTO CONTINUE to ON.

Note: This setting has no effect on some errors that prevent

normal printing, such as jams. Determine how the printer behaves when toner is low. The

TONER LOW message first appears when the toner cartridge

is almost out of toner. (About 100 to 300 sheets can still be printed.)

CONTINUE: The printer continues to print while the TONER

LOW

message appears.

STOP: The printer goes offline and waits for further action.

Determine how the printer behaves when a jam occurs.

AUTO: The printer automatically selects the best mode for

printer jam recovery (usually ON). This is the default setting.

ON: The printer automatically reprints pages after a jam is

cleared.

OFF: The printer does not reprint pages after a jam is

cleared. Printing performance might be increased with this setting.

This item appears only after the PERFORM PRINTER

MAINTENANCE

message appears.

OFF: The PERFORM PRINTER MAINTENANCE message is

cleared and will not be appear again until the next maintenance is due. The message should not be turned off unless the printer maintenance has been performed. If the required maintenance is not performed, the printer’s performance will decline.

Sets the speed with which smaller-sized media passes through the printer.

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NEW TONER CARTRIDGE =NO

QUICK COPY JOBS=32

JOB HELD TIMEOUT=OFF

YES NO

1 to 50

OFF 1 HOUR 4 HOURS 1 DAY 1 WEEK

This item allows the user to tell the printer that a new print cartridge has been installed. Setting this item to the HP TonerGauge to full.

Specifies the number of quick-copy jobs that can be stored on the printer hard disk.

Sets the amount of time that quick-copy, proof-and-ho ld, private, and stored jobs are kept before being automatically deleted from the queue.

YES resets

I/O menu

Items in the I/O (input/output) menu affect the communication between the printer and the computer.

Table 21. I/O menu

Item Values Explanation

to 300 Select the I/O timeout period in seconds. (I/O timeout refers

I/O TIMEOUT=15

I/O BUFFER=AUTO AUTO

I/O BUFFER SIZE= 100K

PARALLEL HIGH SPEED=YES

to the time, measured in seconds, that the printer waits before ending a print job.) This setting allows you to adjust timeout for best performance. If data from other ports appears in the mi ddle of your print job, increase the timeout value. Press [- V alue +] once to change settings by an increment of 1, or hold down [- V a lue +] to scroll by increments of 10.

Allocate memory for I/O buffering.

ON OFF

AUTO: The printer automatically reserves memory for I/O

buffering. Additional configurations are not required and the

I/O BUFFER SIZE menu item does not appear. ON: The I/O BUFFER SIZE item appears (see the following

information in this table). Specify the amount of memory to be used for I/O buffering.

OFF: I/O buffering is not performed and the I/O BUFFER SIZE item does not appear.

When the I/O buffer setting is changed, any downloaded resources (such as fonts or macros) have to be downloaded again, unless they are stored on an optional hard disk or flash DIMM.

10K

and up This item appears only when I/O BUFFER=ON. Specify the

amount of memory for I/O buffering. The maximum amount of memory available for I/O buffering is determined by the amount of memory installed in the prin ter, the languages installed in the printer, and other memory allocations that must be made. Press [-Value +] to change settings by increments of 10 (up to 100 KB) or by increments of 100 (above 100 KB).

YES NO

Select the speed at which data is transmitted to the printer.

YES: The printer accepts faster parallel communications that

are used for connections with newer computers.

NO: The printer accepts slower parallel communications that

are used for connections with older computers.

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PARALLEL ADV FUNCTIONS=ON

ON OFF

Turn the bidirectional parallel communication on or off. The default is set for a bidirectional parallel port (IEEE-1284). This setting allows the printer to send status readback messages to the computer. (Turning on the parallel advanced functions might slow the language switching.)

EIO menu (HP LaserJet 5100tn and 5100dtn printers)

EIO (enhanced input/output) menus depend on the particular accessory product that is installed in an EIO slot of the printer . If the p rinter contains a n HP Jetdire ct print server EIO ca rd, you can configure basic networking parameters using the EIO Menu. These and other parameters can also be configured through HP Jetdirect or the HP Jetdirect EIO Web server.

Table 22. EIO menu for networked printers

Item Values Explanation

CFG NETWORK=NO NO

YES

: The Jetdirect menu is not available.

YES: The Jetdirect menu appears.

NOVELL=ON ON

OFF

DLC/LLC=ON ON

OFF

TCP/IP=ON ON

OFF

ATALK=ON ON

OFF

CFG IPX/SPX=NO NO

YES

CFG TCP/IP=NO NO

YES

Select whether the IPX/SPX protocol stack (in Novell NetWare networks, for example) is enabled (on) or disabled (off).

Select whether the DLC/LLC protocol stack is enabled (on) or disabled (off).

Select whether the TCP/IP protocol stack is enabled (on) or disabled (off).

Select whether the Apple EtherT alk protocol stack is enabled (on) or disabled (off).

: The IPX/SPX menu is not available.

YES: The IPX/SPX menu appears. In the IPX/SPX menu,

you can specify the fram e-type parameter that is used on your network. The default is AUTO, to automatically set and limit the frame type to the one detected. For Ethernet cards, frame-type selections are EN_8023, EN_II, EN_8022, and EN_SNAP. For token ring cards, frame type selections are TR_8022 and TR_SNAP. In the IPX/SPX menu for token ring cards, you can also specify NetWare Source Routing parameters, which are SRC

RT_AUTO (default), OFF, SINGLE R, or ALL RT.

: The TCP/IP menu is not available.

YES: The TCP/IP Menu appears. In the TCP/IP menu, y ou can

specify BOOTP=YES or BOOTP=NO for TCP/IP parameters to be automatically loaded from a bootp or DHCP server when the printer is turned on. If you specify

BOOTP=NO and

DCHP=NO, you can manually set selected TCP/IP parameters

from the control panel. Y ou can manually set each b yte of the IP address (IP), Subnet Mask (SM), Syslog Server (LG), and Default Gateway (GW). For example:

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Byte 2

192.0.0.192

Byte 3

Byte 1

If the Syslog Server IP address is left blank, the printer will still work. Also, you can manually set the timeout time period.

Byte 4

Table 22. EIO menu for networked printers

Item Values Explanation

CFG LINK=NO NO

YES

NO: The 10/100Base-TX link configuration menu is not

used.

YES: You can use and manually set 10/100Base-TX link

parameters.



AUTO: (Default) The print server automatically

configures itself to match the network’s link speed and communication mode.



10T HALF: Sets 10 Mbps, half-duplex operation on the

print server.



10T FULL: Sets 10 Mbps, full-duplex operation on the

print server.



100TX HALF: Sets 100 Mbps, half-duplex operation

on the print server.



100TX FULL: Sets 100 Mbps, full-duplex operation on

the print server.

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Resets menu

Use this menu with caution. You can lose buffered page data or printer configuration settings when you select these items. On ly reset the printer under the following circumstances:



You want to restore the printer’s default settings.



Communication between the printer and computer has been interrupted.



You are using multiple I/O ports, and one of the ports is having problems.

The items in the resets menu clear all memory in the printer, while [C current job.

Table 23. Resets menu

Item Explanation

POWERSAVE=ON

RESET MEMORY

RESTORE FACTORY SETTINGS

RESET ACTIVE I/O CHANNEL

RESET ALL I/O CHANNELS

This item allows the user to turn PowerSave on and off. If PowerSave is off, the printer never uses the PowerSave mode and no asterisk appears next to any item when the user selects the menu item POWERSAVE TIME in the configuration menu.

This item clears the printer buffer and the active I/O input buffer, and resets the printer to use the default control panel menu settings. The DATA RECEIVED message might appear on the printer control panel. Resetting memory during a print job can result in data loss.

This item performs a simple reset and restores all non-EIO control panel settings to factory (default) settings. This item also clears the input buffer for the active I/O.

DATA RECEIVED message might appear on the printer control panel.

The This item performs a simple reset and clears the input and output buffers (for the

active I/Os only).

DATA RECEIVED message might appear on the printer control panel.

The This item performs a simple reset and clears the input and output buffers for all

I/O ports.

ANCEL JOB] clears only the

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Service mode

Service mode should be used only by authorized service personnel. While in service mode, you can:



To use service mode

V erify and set the page count, maintenance count ( pages since last maintenan ce), and serial

number. These are shown on the configuration page.

Set the cold reset default. (This sets the factory default paper size to either Letter or A4).

Turn the diagnostic functions on or off (fo r developers only).

Clear the event log.

Set the page interval at which the next PERFORM PRINTER MAINTENANCE message appears

on the control panel.

1 Hold down [S

ELECT] and [CANCEL JOB] while turning on the printer. (If the control panel reads

INITIALIZING, you released the keys too soon.)

2 After the three LEDs under the displa y are lit, pre ss the right side of the [M

press [S

ELECT]. The SERVICE MODE message appears. To exit the service mode press [GO].

Service menu

ENU] key, and then

Figure 7. Service menu

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Setting the page count, maintenance count, and serial number

The page counts and serial numbers are stored in nonvolatile random-access memory (NVRAM). If it is necessary to replace the formatter PCA, the page counts should be set to the current value to reflect the age of the print engine and maintenance items. The procedure for setting the serial number is similar to setting the page counts.

Note Before replacing the formatter PCA, print a configuration page to verify the current page count

and serial number of the printer, if possible. Use the information on the configura tion page to reset the page counts and serial number for the new formatter PCA.

Page count

The page count stored in NVRAM and shown on the configuration page printout represents the number of pages that the printer has printed (excluding engine test prints). If it becomes necessary to repair a printer by installing a new formatter, the page count must be set so that it represents the age of the print engine rather than the age of the formatter.

The page count value is changed by using a different method than that used for other control panel values. Inste ad of increasing the entire value by increments, each digit can be selected and modified individually. The following control panel keys are used to modify the page count value:

[SELECT] Makes any changes to the current digit and advances the cursor one digit to the

right. If the last digit is currently selected, pressing [Select] wraps the cursor around to the first digit.

ALUE+] Increases the value of the currently selected digit by one. Pressing [Value+] when 9

is the value of the currently selected digit changes the value of the digit to 0.

ALUE] Decreases the value of the currently selected digit by one. Pressing [-Value] when 0

[-V

is the value of the currently selected digit changes the value of the digit to 9.

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Table 24 shows the sequence of keystrokes that is used to change the page count from a value of 000000 to a value of 0010480.

Table 24. Using control panel keys to change page count (an example)

Key Press Display Description

SERVICE MODE

[Menu+] [Item+] [Select] [Select] PAGES=0000000 * Advance the cursor one digit to the right.

[Value+] [Select]

[Select] [Value+]

(4 presses)

[Select]

[-Value]

(2 presses)

[Select]

(2 presses)

[Go] Exit the service menu.

SERVICE MENU

PAGES=0000000 *

PAGES=0010000 *

PAGES=0010400 *

PAGES=0010480 *

Open the SERVICE MENU. Advance to the first item in the SERVICE MENU. Advance the cursor one digit to the right.

Increase the value of the third digit by one. Enter the change to the third digit and advance the cursor

one digit to the right. Advance the cursor one digit to the right.

Increase the value of the fifth digit by four.

Enter the change to the fifth digit and advance the cursor one digit to the right.

Decrease the value of the sixth digit by two.

Enter the change to the sixth digit and advance the cursor one digit to the right, causing the cursor to wrap around to the first digit.

Maintenance page count, interval, and reset

The maintenance page count allows for input of the n umber of pages since the last mainten ance kit was installed. This corresponds to “pages since last maintenance” on the configuration page. Editing this number is similar to editing the

PAGES item (see table 24).

If the printer has not reached the first maintenance interval (for example, 150,000 pages), then set the maintenance count equal to the page count.

The maintenance page count should be reset only after a maintenance kit has been installed. This resets the maintenance counter so that the me ssage

PERFORM PRINTER MAINTENANCE

appears after another 150,000 pages have been printed (default).



Hold down the [-ITEM] and [-VALUE] keys.



Turn the printer on.



Wait for RESET MAINT COUNT to appear and then release both keys.

MAINTENANCE INTERVAL in the service mode menu sets the page count interval at which the

next service is due for the printer. This is set initially at the factory to 150,000 pages. (For example, the message appears at 150,000 pages. If the printer maintenance kit is installed at, and the counter is set to, 150,114 pages, then the message appears 150,000 pages later, at 300,114 pages.) Editing this number is similar to editing the

PAGES item (see table 24).

Serial number

If a formatter is replaced, then the serial numb er must be re corded. Editing th is number is similar to editing the

PAGES item (see table 24).

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Cold reset paper size

The default paper size is st ored in NVRAM. When the printer is cold rese t, the default paper size is set to the factory setting. Possible values are

PAPER=A4

set the cold reset paper size to

. When you replace the formatter in countries that use A4 rather than letter size paper,

Diagnostics

This menu item enables or disables the use of the firmware diagnostic features. Possible values are

DIAGNOSTICS=OFF* and DIAGNOSTICS=ON.

Note For developers only.

Clear event log

Use this item to clear the internal eve nt log.

COLD RESET PAPER=LETTER and COLD RESET

A4.

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Testing the printer

When you print a configuration page, the printer checks its internal controller and I/O interface, and then prints a test page. You can review the configuration page printout to verify proper installation of such options as paper trays or printer languages. For more information, see page 205.

Engine test

The engine test print can be used to verify that the print engine is functioning correctly. F or more information, see page 190.

Resetting the printer

Cold reset

A cold reset clears all data from the printer memory and sets all of the control panel menu settings back to the initial factory default settings.

CAUTION Performing a cold reset resets the Jetdirect and other EIO configurations. To avoid making

changes to your configuration, remove the Jet direct card before performing a cold reset. If possible, print a menu map and a configur ation page bef ore performing a cold reset. This page

documents current settings for later reference.

To perform a cold reset

1 Turn off the printer. 2 While pressing [G

O], turn the printer on. COLD RESET appears briefly on the display, then

INITIALIZING appears. After a few seconds, RESTORING FACTORY SETTINGS appears on

the display, followed by 3 Press [G

O] to return the printer online. READY appears on the display.

OFFLINE. The cold reset is complete.

Clearing NVRAM

This procedure will clean up the NVRAM by removing old areas that are not being used.

1 Turn off the printer. 2 While pressing [C

display, followed by

ANCEL JOB], turn the printer on. CLEANUP NVRAM appears briefly on the

INITIALIZING. After a few seconds READY appears.

Initializing the hard disk

To initialize the hard disk

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1 Print a configuration page and a menu map. 2 Turn off the printer. 3 While turning on the printer, hold down [S

control panel are lit.

4 Press [-M 5 Press [S

ENU], and the [-VALUE].

ELECT].

ELECT] and [CANCEL JOB] until all of the lights on the

System configuration

MS-DOS system configuration

To communicate properly with the printer, the MS-DOS environment requires the addition or modification of MODE commands in the AUTOEXEC.BAT file. Add or modify the MODE command(s) as follows:

Parallel MS-DOS commands

Most IBM-compatible computers default to a parallel printer port. To make sure that information is sent to your parallel printer port, type the following MS-DOS command at your MS-DOS prompt or include it in your AUTO EXEC.BAT file:

MODE LPT1:,,B

Note This example assumes that you are using parallel printer port LPT1. If you are using LPT2 or

LPT3, replace LPT1 in the example with the printer port that you are using.

Because the MODE command is an external MS-DOS command (a pro gram named MODE.COM runs when the MODE command is invoked), the progr am file must be contained in the root directory, or in a directory specified in a preceding PATH command in the AUTOEXEC.BAT file.

After changing the AUTOEXEC.BAT file, restart the computer to initiate the changes.

Printer I/O configuration

Parallel menu

The default setting for the HIGH SPEED PARALLEL I/O is YES. If it is set to NO, the interface runs at a slower speed that is compatible with older computers. When the default is set to parallel interface runs at a higher rate that is supported by newer computers.

Advanced functions

The ADVANCED FUNCTIONS feature of the printer enables bidirectional com munica tio ns betwe en the printer and the host. The default setting is to use some software applications and driver features.

Microsoft Windows and other popular operating systems and networks

The disk(s) that came with the printer contain drivers and other useful applications for use with current Microsoft Windows and other popular operating systems, networks, and applications. See the HP Web site—http://www.hp.com—for updated drivers, utilities, and applications.

YES, the

ON. This default setting (ON) must be active in order

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4 Printer maintenance

Overview

Cleaning the printer and accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66

Cleaning spilled toner. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67

Preventive maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Reset maintenance count. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

Expected life of components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68

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Cleaning the printer and accessories

To maintain high-quality printing and performance, thoroughly clean the printer and the paperhandling accessories:



every time you change the toner cartridge (run a cleaning page).



after printing approximately 15,000 pages.



whenever print quality problems occur.

Clean the outside surfaces with a water-dampened cloth. Clean the inside parts as indicated in table 25. Observe the warning and caution below.

WARNING! Before you begin these steps, turn the printer off and unplug all pow er cords to avoid shoc k hazard.

Be careful when cleaning around the fusing assembly area. It might be hot.

CAUTION To avoid permanent damage to the toner cartridge, do not use ammonia-based cleaners on or

near the printer. Do not touch the transfer roller. Skin oils on the roller can reduce print quality. To clean toner from clothing, wipe it off with a dry cloth and wash yo ur clot hes in cold w a ter. Hot

water sets toner into fabric.

Figure 8. Location of the transfer roller – do not touch!

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Table 25. Cleaning printer components

Component Cleaning method/notes

Outside covers Use a water-dampened cloth. Do not use solvents or ammonia-based cleaners. Inside, general With a dry lint-free cloth, wipe any dust, spilled toner, and paper particles from the

paper-path area, the registrati o n ro ll e r, and the toner cartridge cavity.

Pickup, feed, and separation rollers

Separation pad Use a dry, lint-free cloth. Registration roller Use a dry, lint-free cloth. Transfer roller Use a dry, lint-free cloth. DO NOT TOUCH the roller with your fingers. Fuser Use a water-dampened, lin t-free cloth.

Use a water-dampened, lint-free cloth.

Using the printer cleaning page

If toner specks appear on t he f ront or b ack side of your print jobs, use the following procedure to print a cleaning page.

On the printer control panel, do the following:

1 Press [M 2 Press [I 3 Press [S

ENU] until PRINT QUALITY MENU appears.

TEM] until CREATE CLEANING PAGE appears.

ELECT] to create the cleaning page.

4 Follow the instructions on the cleaning page to complete the cleaning process.

Note In order for the cleaning page to work properly, print the page on copier-grade paper (not bond

or rough paper).

You might need to create and process a cleaning page more than once. When toner has been cleaned from inside the printer, shiny black spots ap pear on the page ’s black strip. If white spots appear on the black strip, create a cleaning page again.

To ensure good print quality with certain types of paper, use the cleaning page every time the toner cartridge is replaced. If the cleaning page is needed frequ ently, try a different type of paper.

Cleaning spilled toner

Defective toner cartridges can develop leaks. Also, after a paper jam has occurred, some toner might remain on the rollers and guides inside the printer. The pages that print immediately after the jam can pick up this toner.

CAUTION Do not touch the transfer roller with the damp cloth or with your fingers.

Do not use a vacuum clean er to clean spilled tone r unless it is equipped with a microfine pa rticle filter that is specifically designed for use wit h toner.

Note Clean spilled toner using a cloth dampened with cold water.

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Preventive maintenance

The preventive maintenance cycle for this printer is every 150,000 pages. To order the maintenance kit see page 260. The kit contains one fuser, one transfer roller, one Tray 1 pickup roller, o ne Tray 1 separation pad, two 250-sheet tra y pic kup rollers , two 25 0-sheet tra y separ ation pads, four 500-sheet tray pickup rollers, and two 500-sheet tray feed/separation rollers. See the instructions included in the kit for detailed replacement procedures.

Reset maintenance count

After the printer maintenance kit has been installed, reset the maintenance count .

1 Turn the printer off. 2 While pressing [-I

TEM] and [-VALUE], turn the printer on.

RESET MAINT COUNT appears, followed by INITIALIZING. After a few seconds, READY appears.

Expected life of components

The following table shows the expected life of certain components in the printer. To order parts, see chapter 8.

Table 26. Expected life of components

Part name Part number Expected life

Tra y 1 pic kup roller RB2-1820-020CN 150,000 pages Tra y 1 separation pad RF5-4119-000CN 150,000 pages 250-sheet tray pickup roller RB2-1821-020CN 150,000 pages 250-sheet tray separation pad RF5-4120-000CN 150,000 pages 500-sheet tray pickup rollers RB1-8865-000CN 150,000 pages 500-sheet tray feed/separation rollers RF5-2634-000CN 150,000 pages Fuser

110 to 127 V 220 to 240 V

Transfer roller assembly RG9-1542-000CN 150,000 pages Exhaust fan RH7-1552-000CN 25,000 hours

RG5-7060-000CN RG5-7061-000CN

150,000 pages 150,000 pages

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5 Functional information

Overview

Printer subsystems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71

Power supply system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Ac/dc power distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72

Overcurrent overvoltage protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73

High-voltage power distribution . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74

Toner-cartridge detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Dc controller system. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75

Laser and scanner drive. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Paper-motion monitoring and control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Solenoids, sensors, clutches, and switches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Engine test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76

Motors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 77

Formatter system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

PowerSave . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

Resolution Enhancement technology. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

EconoMode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Input/output. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

CPU . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79

Printer memory. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

Read-only memory and random-access memory (RAM) . . . . . . . . . . . . . . . . . . . . . . . . . . 80

Memory Enhancement technology. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80

Page protect . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

PJL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

PML . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

Control panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 81

Image-formation system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 82

Toner cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83

Photosensitive drum. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84

Writing the image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 86

Developing the image. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 87

Transferring the image . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 88

Image fusing/variable fusing temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 89

Paper feed system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 91

Clutches and sensors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

Printing from Tray 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 92

Printing from Tray 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 93

Printing from the optional 500-sheet and 250-sheet Trays. . . . . . . . . . . . . . . . . . . . . . . . . 95

Paper jam . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 97

Duplexer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 98

Paper jam in the duplexer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100

Basic sequence of operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 101

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Printer subsystems

This chapter presents a generaliz ed functional o v erview of the printer and the p rinting processes.

Figure 9. Paper-feed subsystem

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Power supply system

Ac/dc power distribution

The ac line voltage f or the printer is applied through th e main s witch (SW101) and supplied to t he low-voltage po wer supply circui t through the fuse (F1). The lo w-voltage power supply divides the ac voltage to +24 Vdc, +5 Vdc and +3.4 Vdc and supplies them to the dc controller PCA. This circuit generates a zero-cross signal (ZEROX) and supplies it to the dc controller PCA.



+3.4 Vdc is supplied to ICs on the formatter, the dc controller PCA, and the BD PCA. +5 Vdc is supplied to the laser driver PCA and sensors.



+24 Vdc is supplied to the high-v oltage pow er supply circuitry on the dc controller, driving the main motor, the exhaust fan, the scanner motor, the clutches, and the solenoids.



+24 Vdc is divided into +24 Vdr, which stops when the top cover is opened and SW401 on the paper-handling PCA turns off, and +2 4 V, which is always supplied regardless o f whether SW401 turns on or off.

Figure 10. Low-voltage power supply circuit

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If a short circuit or other problems on the load side cause an excessive current flow from the +24 Vdc or +3.4 Vdc power supplies or generate abnormal voltage, the excess-current protection system and excess-v oltage protection system au tomatically shut off the output v oltage to protect the power supplies.

If an excess-current or excess-v oltage protection system is activated and the power supply circuit does not output dc voltage, it is necessary to turn the power off, correct the problem in the faulty load, then turn the printer on again.

The circuit has two fuses that break and cut off the output voltage if excess-current flows through the ac line.

Overcurrent overvoltage protection

This circuit, located on the dc controller PCA, always monitors an abnormal rise in the fusing roller temperature. If an error occurs, this circuit puts out a signal to turn the relay (RL1) off and interrupt the power to the fusing roller heater. The circuit operates as follows.

When the fusing roller heater temperature rises and the o utput v oltage of the thermistor e xceeds about 0.5 V (230° C), pin 7 of the comparator (IC304) goes “L.” IC304 pin 1 goes “L,” Q4 turns off, and then the relay (RL1) turns off.

The printer has the following three pr otection functions to prevent incorrect activation of the fusing-roller heater.



The central processing unit (CPU) monitors the thermistor v oltage . If it is abnormal, the CPU

identifies the fusing-roller heater error, turns the relay (RL1) off, and reports it to the

formatter.



If the fusing-roller heater temperat ure rises abnormally and the thermistor voltage f alls belo w

about 0.6 V (220° C), the safety circuit in the fusing-roller heater interrupts the power to the

fusing heater regardless of the CPU output.



If the fusing-roller heater temperature rises abnormally and the thermal fuse temperature

exceeds 240° C, the thermal switch turns off and interrupts the power to the fusing-roller

heater.

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High-voltage power distribution

Figure 11. High-voltage power supply circuit

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In response to the instructions from the microprocessor (CPU) on the dc controller, this circuit applies the superimposed voltage of dc v oltage and ac vol tage to the primary charging roller and developing cylinder, and a positive or negative dc voltage to the transfer charging roller.

According to the image-density inf ormation sent from the formatter PCA, this circuit varies the primary dc bias and developing dc bias to adjust the image density.

Toner-cartridge detection

The toner cartridge has a toner sensor. The circuit compares the output value of the developing ac bias and the output value (ANT) fro m the anten na insid e the ca rtridge, and puts out the tone rdetection signal.

The CPU detects the level of remaining toner and the presence of the cartridge when the developing bias is applied to the developing cylinder. The level of remaining toner is always detected when the developing bias is applied. The presence of the cartridge is detected only when the developing bias is applied during the initial rotation.

Dc controller system

The following systems and functions are controlled by the dc controller PCA:



Dc power distribution (+3.4 Vdc, +5 Vdc, +24 VA)



Laser and scanner drive



Paper-motion monitoring and co ntrol (photosensors and flags)



Clutches (tray pickup and Tray 1 feed)



Engine test



Motors (main drive, scanner, and fans) The CPU of the dc controller system regu lates the op eratio n sequences o f this printer. When the

printer power switch is turned on and the printer enters the standby mode, the CPU sends the signals to drive the loads (such as laser diode, motors, and solenoids) based on the print commands and the image data received from the formatter.

Figure 12. Dc controller PCA

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Laser and scanner drive

Based on information received from the formatter, the dc controller board sends signals to the laser/scanner assembly to modulate the laser diode on and off and to drive the laser/scanner motor. See “Image-formation system” on page 82 for more information.

Paper-motion monitoring and control

The dc controller board controls paper motion by continuously monitoring the various paper sensors, and coordinating paper mo v ement with the other print processes . F or more inf ormation, see “Paper feed system” on page 91.

Solenoids, sensors, clutches, and switches

See “Dc controller inputs and outputs” on page 252.

Engine test

See “Engine test” on page 190.

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Motors

See the timing diagram on page 102 for specific timing details for the printer motors. The dc controller board regulates the main motor (M1). The main motor drives the main gear

assembly and rotates during the initial rotation pe riod (following power-on), the print period, the last rotation period, and whenever the printer’s top cover is opened and closed.

Figure 13. Main-motor control

The main motor is a dc brushless motor with hall elements, and is unified with the mot or drive circuit.

The CPU sets the main-motor drive signal (/MON) to “L” and rotates the main motor. When printing at 1200 dpi, the CPU sets the main-motor rotation switching signal (/HALF) to “L” and decreases the rotation speed of the main motor to half.

The dc controller board regulates the scann e r mo to r. It rotates the scanner mirror during the initial rotation period and the print period.

The fan motor is a two-phase, four-pole dc brushless motor that contains a hall element and forms a unit along with the motor drive circuit.

When the printer turns on, the CPU on the dc controller PCA in itially causes the fan motor to run for one-half second.

The CPU controls the half-speed/full-speed rotations according to the target fuser roller temperature when the CPU receiv es the /PRNT signal from t he f ormatter . When the fuser warms up sufficiently, it sets the fan drive voltage (FANON) to the voltage level t hat runs the f an motor at full speed. If the printing ends, the fan motor runs at full speed for 30 seconds after the ma in motor stops, and then the fan motor runs at half speed.

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Formatter system

The formatter PCA is responsible for the following actions:



controlling the PowerSave mode



receiving and processing print data from the various printer interfaces



monitoring control panel input and relaying printer status information (through the control panel and the bidirectional I/O)



developing and coordinating data placement and timing with the print engine



storing font information



communicating with the host computer through the Jetdirect EIO or bidirectional parallel interface

The formatter PCA receives a print job from the bidirectional interface and separates it into image information and instructions that control the printing process. The dc controller board synchronizes the image-formation system with the paper feed and delivery systems, and then signals the formatter to send the print-image data.

The formatter PCA also provides the electrical interface and mounting locations for two EIO cards and additional memory DIMMs.

PowerSave

This feature (accessed from the configuration menu) conserves power by shutting down the fuser and exhaust f ans afte r the printer has been idle f or an adjustab le period of time . The printer retains all printer settings, downloaded fonts, and macros while it is in the PowerSa v e mode. The default setting is

POWERSAVE ON, with a 30-minute idle time.

The printer exits the PowerSave mode and enters the warm-up cycle when any of the following occurs:



a print job, valid data, or a PML or PJL command is received at the parallel port or an EIO card



a control panel key is pressed



the top cover is opened and then closed



a tray is opened and then closed



the engine-test button is pressed

Note Printer error messages override the PowerSave message. The printer will enter the PowerSav e

mode at the appropriate time, but the error message will continue to appear.

Resolution Enhancement technology

The formatter PCA contains circuitry for Resolution Enhancement technology (REt), which modifies the standard video dot data on its way to the dc controller board to produce “smoothed” black-to-white boundaries. REt can be set through the control panel, or from some software applications. The default setting is medium.

Note REt settings set from software applications or printer drivers override the control panel settings.

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EconoMode

The EconoMode setting uses up to 50 percent less toner than standard mode printing by reducing the dot density. However, EconoMode does not extend toner-cartridge component life. EconoMode, which can be though t of as “dr aft mode,” can be selected at the control panel (f rom the print-quality menu) and through some software applications and printer drivers. The default setting is off.

Note EconoMode does not affect print speed or memory usage, n or does it extend th e toner cartridge’s

life.

Input/output

Parallel interface

The formatter PCA receives incoming data through its bidirectional interface (IEEE-1284). The I/O provides high-speed and two-way communication between the printer and the host, allowing the user to change printer settings and monitor printer status from the ho st computer. The user can configure the

YES, the I/O can run at the higher speeds supported by most newer computer s. When it is set to NO, the para llel interf ace runs at the slower mode that is compat ible f or older computers . The user

can also configure the way parallel communications. The compatible with the bidirectional parallel interface standard.

HIGH SPEED item in th e control panel men u. Using the d ef ault setting,

ADVANCED FUNCTIONS item. The default setting, ON, accommodates two-

OFF mode disables the advanced functionality. The I/O is

Expanded I/O

Optional expanded I/O cards can be installed in th e I/O slots on the f ormatter PCA. The y pro vide automatic I/O switching between multiple computers or networks connected to the printer. The network version printers include the HP Jetdirect Print Server with Ethernet 10/100Base-TX support.

Flash

Flash is provided in optional 2- and 4-MB flash memory DIMMs for storage of forms, fonts, and signatures.

Disk

An optional EIO-based hard drive is used for permanent storage and allows additional space for creating multiple original prints (mopies) and other job-retention features, as well as to store forms, f onts, and signatures .

CPU

The formatter PCA incorporates a 300 MHz processor.

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Printer memory

Memory is delivered on a single DIMM, which occupies one of the four slots available. This leaves three DIMM slots that may be used to add memory, fonts, or firmware upgrades.

The memory that comes with the printer is on one of two types of combination Flash/DRAM DIMMs. The HP LaserJet 5100 and HP LaserJet 5100Le printers use a 4 MB Flash/R OM and 16 MB SDRAM version; the HP LaserJet 5100tn and HP LaserJet 5100dtn printers use a 4MB Flash/ROM and 32 MB SDRAM version.

Note DIMMs and SIMMS are not compatible.

Only one type of DRAM DIMM is supported—SDRAM DIMMs that are 32-bit, 100-pin, 100 MHz (PC100).

Read-only memory and random-access memory (RAM)

Besides storing microprocessor control programs, the read-only memory (ROM) stores dot patterns of internal character sets (fonts). Early ver sions of the printer might contain downloadable flash rather than ROM to store the p rocessor code (firmware).

The random-access memory (RAM) contains the page and I/O b uff ers a nd the font storage a rea. It stores printing and font inf ormation that is receiv ed from the host system, and can also serve to temporarily store a full page of print-image data before the data is sent to the print engine (see “Page protect” on page 81). RAM memory capacities for each printer are shown in on page 16. Memory capacity can be increased by adding DIMMs to the formatter PCA. Note that adding memory (DIMMs) might also increase the print speed for complex graphics.

Note If the printer encounters difficulty managing available memory, a clearable warning message

appears on the control panel. Some printer messages are affected by the auto continue and clearable warning settings from

the configuration menu in the printer control panel. If control panel, warning messages appear on the control panel until the end of the job from wh ich they were generated. If panel until [G is set, the printer goes offline for 10 seconds before it returns online. If set, the message appears until [GO] is pressed.

O] is pressed. If an error occurs that pre vents normal printing and AUTO CONTINUE=ON

CLEARABLE WARNING=ON is set, warning messages appear on the control

CLEARABLE WARNING=JOB is set on the

AUTO CONTINUE=OFF is

Nonvolatile random-access memory

The printer uses nonvolatile random-access memory (NVRAM) to store I/O and information about printer configuration. The contents of NVRAM ar e retained when the printer is turned off or disconnected.

Memory Enhancement technology

The HP Memory Enhancement technology (MEt) effectively doubles the memory capacity through a variety of font- and data-compression methods.

Note MEt is only available in PCL mode; it is not functional in PS mode.

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Page protect

Page complexity (rules, complex graphics, or dense text) might exceed the printer’s ability to create the page image fast enough to keep pace with the image-formation process. If page protect is disabled, and a page is too complex, it might print in parts (for example , the top ha lf on one page and the bottom half on the next page). Some print-data loss is likely in these instances, and the

CONTINUE

Page protect allows the formatter to create the entire page image in page-buffer memory before physically moving the paper through the printer . This process ensures that the entire page will be printed. Page protect applies only to PCL printing. The default setting is “auto.”

21 PAGE TOO COMPLEX error message appears, alternating with PRESS GO TO

PJL

Printer job language (PJL) is an integral part of configuration, in addition to the sta ndard printer command language (PCL). With standard cab ling, PJL allo ws the printer to per f orm the f ollowing functions:



Two-way communication with the host computer through a bidirectional parallel connection.

The printer can tell the host such things as the control panel settings, and makes it possible

for the control panel settings to be changed from the host.



Dynamic I/O switching. This makes it possible for the printer to be configured with a host on

each I/O. The printer can receive data from more than on e I/O simultaneously, until the I/O

buffer is full. This can occur even when the printer is offline.



Context-sensitive switching. This makes it possible for the printer to automatically recognize

the personalities (PS or PCL) of each job and configure itself to serve that personality.



Isolation of print environment settings from one print job to the next. For example, if a print

job is sent to the printer in landscape mode, t he subsequent print jobs print in landscape on ly

if they are formatted for landscape printing.

PML

Peripheral Man agement Language (PML) can be used for remote configuration and status readback through the I/O Ports.

Control panel

The formatter PCA sends and receives printer status and command da ta through a control panel PCA. See page 42 for more information about the control panel. See and page 193 for control panel messages.

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Image-formation system

The image-formation system is the main part of the printer, and consists of six stages:

1. Cleaning 4. Developing

2. Conditioning 5. Transferring

3. Writing 6. Fusing

When the formatter board sends the print signal to the dc controller board, it drives the main motor to rotate the photosensitiv e drum, the developing cylinder, the primary charging roller , a nd the transfer charging roller.

The primary charging roller places a uniform negative charge on the surface of the photosensitive drum. The laser beam modulated by the video signal is illuminated on the photosensitive drum surf ace to form the latent image on the drum with the laser diode.

The latent image formed on the photosensitive drum is changed to a visual image by the toner on the developing cylinder, then transferred to the paper by the transfer charging roller. The residual toner on the photosensitive drum surface is scraped down with the cleaning blade. The potential on the drum is uniformed by the primary charging roller to prepare for a new latent image.

After the image has been transferred to the paper, it is fused onto the paper by heat and pressure at the fuser.

The cartridge has a toner sensor that detects the level of r emaining toner and the presence of the cartridge.

If the toner in the cartridge is lower than the specified level or if no cartridge is in the printer, that information is reported to the formatter.

Figure 14. Image-formation system

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Toner cartridge

A major portion of the image-formation system is contained in the toner cartridge, as shown in the figure below.

The toner cartridge is the core of the image-formation system. It houses the cleaning, conditioning, and developing steps of the process. The toner cartridge contains the photosensitive drum, primary charging roller, developing station, to ner cavity, waste toner cavity, and cleaning station. Including these components t hat wear , degrade, or are consumed in the replaceable toner cartridge eliminates the need for a service call when replacement is required.

The printer also has a cartridge drive system that minimizes banding.

Figure 15. Toner cartridge

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Photosensitive drum

The special properties of the photosensitive drum allow an image to be formed on the drum surface and then transferred to pap er. The drum is an aluminum cylinder. The outside of the cylinder is coated with a la yer o f organic-photocon ductiv e material (OPC) which is non-toxic. The OPC material has properties similar to a photo-resistor. It becomes electrically conductiv e when exposed to light, and he negative charges deposited on the drum are conducted to the g round potential of the drum base. Areas not exposed to light remain non-conductive and mai nt ain their negative charge. Th e aluminum base of the photosensitive drum is electrically connected to ground potential.

Figure 16. Photosensitive Drum

Cleaning the drum

Photosensitive Layer

Aluminum Base

In the transfer stage, not all the toner is transferred to the paper, but some remains on the photosensitive drum.

In this stage, the residual toner is cleaned so that the next print image will be clear and distinct.

Figure 17. Cleaning the drum

The residual toner on the drum surface is scraped away with the cleaning blade to clean the drum surface in preparation for the next print. The removed toner is collected into the cleaner container.

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Conditioning the drum

After the drum is cleaned, it must be conditioned. This process consists of applying a uniform negative charge on the surface of the drum with the primary charging roller. The primary charging roller is coated with conductive rubber with an ac bias applied to erase any residual charges and maintain a constant drum surface to create a uniform negative potential on the drum surface. The amount of dc voltage is modified by the print density setting.

Primary charging roller

AC bias

DC bias

Figure 18. Primary charging roller

Photosensitive Drum

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Writing the image

During the writing process, a modulated laser diode proje cts the beam onto the ro tating six-sided scanning mirror. As the mirror rotates, the beam reflects off the mirror, through a set of focusing lenses, through a slot in the rear of the toner cartridge, and onto the photosensitive drum. The beam sweeps the drum from left to right, discharging the negative potential where ver the beam strikes the surface. This creates a latent electrostatic image, which later is developed into a visible image.

Figure 19. Writing the image

Because the beam is sweep ing the entire length of the drum and the drum is rotating, the entire surface area of the drum can be covered. The speed of the scanner motor (which turns the scanning mirror) and the speed of the main motor (which turns the drum) are synchronized, and each successive sweep of the beam is offset by 1/1200th up to of an inch. The beam can be turned on and off to place a dot of light every 1/1200th of an inch. This is how the printer achieves its 1200x1200 dpi resolution. After the writing process, the drum surface has an invisible (latent) electrostatic image.

At the beginning of each sweep, the beam strikes the beam detect lens, generating the Beam Detect Signal (/BD). The BD signal is sent to the dc controller board, wher e it is converted to an electrical signal used to synchronize the output of data (/VDO) for one sweep (scan line) and to diagnose problems with the laser diode or scann er motor.

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Developing the image

The developin g process de velops the latent electrostatic ima ge into a visib le ima ge on the drum. The developing unit consists of a metallic cylinder that rotates around a fixed magnetic core inside the toner cavity. Toner is a powdery substance made of black plast ic resin bound to iron particles, which is uniformly attracted to the magnetic core of the cylinder.

The toner particles obtain a negative surface charge by rubbing against the developing cylinder which is connected to a negative dc supply. The negatively charged toner is attached to the discharged (exposed, grounded) areas. An ac potential is applied to the developing cylinder t o decrease the attraction bet ween t he toner an d the magnetic core of the cylinder, and to increase the repelling action of the toner against the areas of the drum not exposed to laser light. This ac potential improves density and contrast.

Figure 20. Developing the image

The print density control in the control panel menu adjusts t he d c bias of the d eveloping cylinder by changing the force of attraction between the toner and drum. A change in the dc bias causes either more or less toner to be attracte d to the drum, which in tu rn either increases or decreases the print density. Both the primary and dev eloper dc bias voltages are changed in response to the density setting.

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Transferring the image

During the transferring process the toner image on the drum surface is transferred to the paper. A positive charge applied to the back of the paper by t he transfer roller causes the negatively charged toner on the drum surface to be attracted to the page.

The small diameter of the drum, combined with the stiffness of the paper, causes the paper to peel awa y from the drum. The st atic eliminator t eeth also help separ ate the pa per from the drum. The static eliminator teeth weaken the attractive forces between the negatively-charged drum surface and the positively-charged paper. After separation, the drum is cleaned and conditioned for the next image.

Figure 21. Transferring the image

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Image fusing/variable fusing temperature

During the fusing process, the toner is fused into the paper by heat and pr essure to produce a permanent image. The paper passes between a heate d fusing roller and a soft pressure roller. This melts the toner and presses it into the paper.

The fusing roller contains a ceramic heating element that provides heat for the fusing process. Fusing temperature is monitored by the dc controller board, a thermistor. If the fusing system overheats (about 446° F/230° C), a relay opens, interrupting power to the fusing heater , causing a fuser error message ( thermal fuse will open, cutting off powe r to the fuser.

The dc controller board maintains a v ariab le fuser tempe rature t hat is depe ndent on f a ctors such as the paper type set in the paper handling men u.

50.X FUSER ERROR). If the fusing system exceeds 464° F (240° C), the

Figure 22. Image fusing

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Variable fusing temperature

Figure 23. Fusing temperature control

Variable fusing temperature is a feature that gives the user or service technician the ability to adjust the fusing temperature profile based on the media being used in the printer. The default fuser mode is Normal for most types of paper, which should be optimal f or most users . There ar e optional Vellum, Low, and High fuser mode selections. If very heavy or rough media is being used, then the high fuser mode is beneficial. If transparencies or light media are being used, then low fuser mode might be appro priate . when set to the default of menu. When

CONFIGURE FUSER MODE is set to YES, the different paper types are t he n d isp layed

NO, paper types and associated fuse r modes are not displayed in the

in the menu.

CONFIGURE FUSER MODE is in the paper handling and

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Paper feed system

Figure 24. Paper path

The paper in Tray 1 is detected by the Tray 1 paper sensor (PS401). The paper in Tray 2 is detected by the Tray 2 paper sensor (PS301).

The size of the paper in Tray 2 and the presence of Tray 2 installed in the printer are detected b y four switches (SW403, SW404, SW405, and SW406) on the paper-handling PCA.

When the paper is fed from Tray 2, the Tray 2 pickup solenoid (SL306) and the feed roller clutch (CL406) turn on while the main motor (M1) is rotatin g. Th en t he Tray 2 pickup roller and the feed roller start rotating to feed a sheet of paper into the printer.

When the paper is fed from Tray 1, the Tray 1 pickup solenoid (SL404) turns on while the main motor (M1) is rotating. Then the Tray 1 f eed ro ller starts rotating to feed a sheet of paper into the printer.

The paper passes through the registration roller paper sensor (PS403) and stops at the registration rollers to momentarily stop the leading edge as its skew is corrected. Then the registration clutch (CL405) turns on to restart paper feed.

The dc controller PCA sends the top of page signal (/TOP) to the formatter PCA within a specified period of time after the top of page sensor (PS402) detects the leading edge of the paper.

The formatter PCA sends the video signal (/VDO, VDO) within a specified period of time after it receives the /TOP signal to align the image’s leading edge on the photosensitive drum with the leading edge of the paper already fed. The paper then passes throug h th e transfer area, feed belt, fuser, and delivery unit and is output onto the rear output bin or th e top output bin. There are three photointerrupters (PS402, PS403, and PS1306) in the paper path to detect paper jams. If the paper does not reach or pass through any of the sensors within the specified period of time, the microprocessor (CPU) on the dc controller PCA notifies the formatter of a paper jam.

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Clutches and sensors

See “Reference diag r ams” starting on page 227 for locations of switches, sensors, and clutches.

Printing from Tray 1

The presence of paper in Tray 1 is detected by the Tray 1 paper sensor (PS401). When the formatter PCA sends the /PRNT (print signal) to the printer, the CPU turns the Tray 1

pickup solenoid (SL404 ) on wit hin t he specif ied pe riod of t i me afte r th e m ain mot or (M1) a nd th e scanner motor start and the printer is ready to print.

This turns the cam on and lifts the middle plate where the paper is loaded. The paper touches the Tray 1 feed roller. The Tray 1 feed roller rotates a full circle to feed one sheet of paper. Extra sheets are removed with th e separation pad, and only one sheet is f ed into the printer as the Tray 1 feed roller rotates.

The paper passes through the registration roller paper sensor (PS403) and stops at the registration roller that is not turning, momentarily stopping the leading edge of the pap er and correcting its skew. The CPU turns the registration roller clutch (CL405) on within a specified loop-forming time and feeds the paper through the tr ansfer area, the feed belt, the fuser, and the delivery unit, and outputs it to the top output bin.

Figure 25. Tray 1 pickup

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Printing from Tray 2

When the formatter PCA sends the /PRNT (print signal) to the printer, the CPU turns the Tray 2 pickup solenoid (SL306) on about 0.15 seconds after the main motor (M1) starts rotating, then turns on the feed roller clutch (CL406). The main motor rotates the Tray 2 pickup roller and feed rollers.

The Tray 2 pickup roller rotates a full circle with the Tray 2 pickup solenoid (S L306) and picks up one sheet of paper from the tray. The paper is fed into the printer as the feed rollers rot ate. The paper passes through the registration roller paper sensor (PS403) and stops at the registration roller that is not turning, momentarily stopping the leading edge of the paper and correcting its skew. The CPU turns the f eed roll er clu tch (CL4 06) off within a sp ecified time and st ops the feed roller rotation. The CPU turns the registration roller clutch ( CL405) and f eed rolle r clutch (CL406) on about 1.3 seconds after the scanner be comes ready and f e eds the pape r through the t ransfer area, feed belt, fuser, and delivery unit and outputs it to the top output bin.

Figure 26. Tray 2 Paper path

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Figure 27. Paper skew correction

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Printing from the optional 500-sheet and 250-sheet Trays

There are two kinds of paper feeders: 250-sheet and 500-sheet. The paper feeder operation sequence is controlled by the feeder control PCA. The f eeder control PCA has an 8-bit microcomputer, and controls the serial communications between the feeder(s) and the dc controller PCA of the printer. The feeder control PCA drives motors and solenoids with various commands from the dc controller PCA. The feeder control PCA sends the status of the paper feeder back to the printer at the same time.

Figure 28. 250-sheet paper feeder

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Figure 29. 500-sheet paper feeder

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Paper jam

To detect the presence of paper and whether the paper has been correctly fe d, the following paper sensors are installed:



Registration roller paper sensor (PS403)

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Top of page sensor (PS402)

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Fuser paper delivery sensor (PS1306) If the paper does not reach or pass through any of the sensors within the specified period of time,

the microprocessor (CPU) on the dc controller PCA notifies the formatter of a 13.x paper jam.

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Duplexer

This function is to reverse the one side printed paper from the printer and refeed it into the printer.

The duplex er operat ion sequence is controlled b y the d uple xing driver PCA. The duple xing driv er PCA has an 8-bit microcomputer, which controls the serial communications between the duplexer and the dc controller PCA of the printer.

The duplexing driver PCA drives motors and solenoids with various commands from the dc controller PCA. The duplexing driver PCA also sends the status of the duplexer back to the printer.

Reversing/refeed system

The paper is first fed in to the du ple xer with the duple x de flector in t he printer. In the duplexer, the reversing roller switches the feeding direction of the paper. After the side registration guide adjusts the side registration, the paper is sent back into the printer with the feed and refeed rollers.

The rev ersing motor (PM 1701), th e side regist rat ion guide drive m otor (PM1 702), a nd the r ef ee d motor are all stepping motors. They are controlled both in str aight and reverse rotation by the microcomputer (CPU) on the duple xing driver PCA.

The reversing roller is driven by the reversing motor (PM1701). The feed and refeed rollers are driven by the refeed motor (PM1703).

The side registration guide is driven by the side registration guide drive motor (PM1702), and is adjusted according to the size of the paper.

Figure 30. Paper feed for the duplexer

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HP (Hewlett-Packard) 5100LE User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual

Contents

Figures

Tables

1 Printer description

Overview

Printer information

Identification

Environmental and power requirements

Laser safety statement

Canadian DOC regulations

FCC regulations

Laser statement for Finland

Luokan 1 laserlaite

Material Safety Data Sheet

Environmental product stewardship

2 Service approach

Overview

Regulatory information

Service approach

Parts and supplies

Warranty

Limited warranty for the print cartridge

Service and support

Worldwide service and support offices

3 Printer operation

Overview

Control panel lights

Control panel keys

Control panel menus

Private/stored jobs menu

Service menu

Cold reset paper size

Diagnostics

Clear event log

Initializing the hard disk

System configuration

MS-DOS system configuration

Parallel MS-DOS commands

Printer I/O configuration

Parallel menu

Overview

Reset maintenance count

Expected life of components

5 Functional information

Overview

Printer subsystems

Power supply system

Overcurrent overvoltage protection

Engine test

Control panel

Image fusing/variable fusing temperature

Paper feed system

Paper jam