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HP LaserJet 8000, 8000 N, 8000 DN
and HP LaserJet Mopier 240 Printers
Service Manual
Service Manual
HP LaserJet 8000 (C4085A)
HP LaserJet 8000 N (C4086A)
HP LaserJet 8000 DN (C4087A)
HP LaserJet Mopier 240 (C4228A)
© Copyright
Hewlett-Packard Company 1998
All Rights Reserved. Reproduction, adaptation, or translation without prior written permission is prohibited, except as allowed under the copyright laws.
Publication number
C4085-91087
First edition, November 1998
Hewlett-Packard Company
11311 Chinden Boulevard
Boise, Idaho 83714 U.S.A.
Warranty
The information contained in this document is subject to change without notice.
Hewlett-Packard makes no warranty of any kind with regard to this material, including, but not limited to, the implied warranties or merchantability and fitness for a particular purpose.
Hewlett-Packard shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this material.
WARNING
Electrical Shock Hazard
To avoid electrical shock, use only supplied power cords and connect only to properly grounded (3-hole) wall outlets.
Adobe and PostScript are trademarks of Adobe Systems Incorporated which may be registered in certain jurisdictions.
Windows is a U.S. registered trademark of Microsoft Corporation.
Conventions
This manual uses the following conventions:
The names of major printer parts and assemblies are Capitalized.
Color is used to emphasize items which are important to the material under discussion.
Bold is used for emphasis, particularly in situations where italic type would be confusing.
Italic type is used to indicate related documents or emphasis.
Note |
Notes contain important information set off from the text. |
CAUTION Caution messages alert you to the possibility of damage to equipment or loss of data.
WARNING! Warning messages alert you to the possibility of personal injury.
The illustration below shows the orientation of the paper-handling accessories as they are referred to in this publication.
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Chapter Descriptions
1 Product Information
Contains printer features and product overview, tray capacities and sizes, media specifications, service approach, how to get technical assistance, and required safety and compliance statements.
2 Site Requirements
Contains space and environmental requirements.
3 Operating Overview
Contains details about control panel menus, restoring factory defaults, and resetting and testing the printer.
4 Maintenance and Adjustments
Contains cleaning and preventive maintenance information, and adjustment procedures for paper trays.
5 Functional Overview
Contains block diagrams and basic theory of operation for the printer systems, paper paths, and paper handling accessories. Contains basic cabling information.
6 Removal and Replacement
Contains step-by-step procedures for replacing field replaceable units (FRUs) in the printer and paper-handling accessories.
7 Troubleshooting
Contains a preliminary troubleshooting table, a table with descriptions and recommended actions for all control panel messages, image defect samples, and troubleshooting checks and tools.
iv |
C4085-91087 |
8 Parts and Diagrams
Contains exploded view drawings and part number listings for all replaceable parts in the printer and paper-handling accessories.
Contains two replaceable parts tables: one sorted alphabetically by part name, and one sorted numerically by part number. Both tables are cross referenced to the diagrams in the chapter.
Subject Index
Contains an alphabetical, cross referenced listing of information found in the main body of the manual.
C4085-91087 |
v |
vi |
C4085-91087 |
Table of Contents
1 Product Information
Printer Features. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2
Paper Capacities and Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4
Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Model and Serial Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . .6
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .7
Media Selection Guidelines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Paper . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Envelopes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
Adhesive Labels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .12
Transparencies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Storing Print Media . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Shipping Print Media. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .13
Product Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .14
External View of HP LaserJet 8000/N/DN Engine . . . . . . . . .14
External View of HP Mopier 240 . . . . . . . . . . . . . . . . . . . . . . .16
Formatter Assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Accessories and Options. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .19
Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20
Hard Disk . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .26
Determining Memory Requirements . . . . . . . . . . . . . . . . . . . .26
Service Approach . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Ordering Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
Exchange Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Consumables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Toner Cartridge Life . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .29
Refilled Toner Cartridges & Non-HP Staple Cartridges . . . . .30
Recycling Toner Cartridges . . . . . . . . . . . . . . . . . . . . . . . . . .30
Technical Assistance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
HP FIRST (Fax Information Retrieval Support
Technology) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .31
Internet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
World Wide Web . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
HP Reseller Sales and Service Support Line . . . . . . . . . . . . .32
Other Areas. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .32
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33
Regulatory Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
FCC Regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .35
Environmental Product Stewardship . . . . . . . . . . . . . . . . . . . . . . .36
Protecting the Environment. . . . . . . . . . . . . . . . . . . . . . . . . . .36
C4085-91087 |
vii |
Material Safety Data Sheet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .38 Environmental Conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .39 Declaration of Conformity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .40 Safety Statements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42 Laser Safety Statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42 Canadian DOC Regulations . . . . . . . . . . . . . . . . . . . . . . . . . .42 VCCI Statement (Japan). . . . . . . . . . . . . . . . . . . . . . . . . . . . .42 Korean EMI statement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .43 Laser Statement for Finland . . . . . . . . . . . . . . . . . . . . . . . . . .43
2 Site Requirements
Operating Environment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .46
Space Requirements. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .47
Environmental Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . .49
3 Operating Overview
Using the Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
Control Panel Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .52
Indicator Lights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .53
Settings and Defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
Printer Driver Information . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
Paper Source Default . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54
Resetting the Printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .55
Setting the Display Language . . . . . . . . . . . . . . . . . . . . . . . . .55
Control Panel Menus. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .58
Information Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .59
Paper Handling Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .60
Print Quality Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .62
Printing Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .64
Configuration Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .67
I/O Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .70
EIO Menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .72
Resets Menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .74
Service Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .75
Setting Page Count, Maintenance Count,
and Serial Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .78
Setting the Cold Reset Default Paper Size . . . . . . . . . . . . . . .79
Testing the Printer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80
Paper Path Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80
Configuration Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .80
viii |
C4085-91087 |
4 Maintenance and Adjustments
Cleaning the Printer and Accessories . . . . . . . . . . . . . . . . . . . . . .82
Cleaning Spilled Toner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .84
Preventative Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .85
Tray Adjustment Procedure. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .86
Tray 4 (2000-sheet Input Tray) Adjustment Procedure . . . . . . . . .88
5 Functional Overview
Printer Functional Block Diagram . . . . . . . . . . . . . . . . . . . . . . . . .92 Power Distribution System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .93 AC Power Distribution. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .94 Overcurrent/Overvoltage Protection . . . . . . . . . . . . . . . . . . . .94 High Voltage Power Distribution . . . . . . . . . . . . . . . . . . . . . . .95 Formatter System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .96 DC Controller System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99 Laser and Scanner Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . .99 Paper Motion Monitoring and Control . . . . . . . . . . . . . . . . . . .99 Clutches . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .99 Engine Test Microswitch . . . . . . . . . . . . . . . . . . . . . . . . . . . .100 Motors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .100 Image Formation System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .101 Toner Cartridge. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .102 Drum Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .104 Drum Conditioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .105 Image Writing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .106 Image Developing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .108 Image Transferring and Media Separation . . . . . . . . . . . . . .110 Image Fusing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .111 Paper Paths and Components . . . . . . . . . . . . . . . . . . . . . . . . . .112 Printer, Duplexer, and Envelope Feeder. . . . . . . . . . . . . . . .112 Paper Size Switches (Trays 2 and 3) . . . . . . . . . . . . . . . . . .115 Printing from Tray 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .115 Printing from Trays 2 and 3. . . . . . . . . . . . . . . . . . . . . . . . . .115 Printing from the Envelope Feeder . . . . . . . . . . . . . . . . . . . .116 Printing with the Duplexer . . . . . . . . . . . . . . . . . . . . . . . . . . .116 Printing from the Custom Height and Size Paper Tray . . . . .116 2000-sheet Input Tray (Tray 4) Components . . . . . . . . . . . .117 2000-Sheet Input Tray Operation . . . . . . . . . . . . . . . . . . . . .119 2 x 500-sheet Input Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . .122 2 x 500-sheet Input Tray Operation . . . . . . . . . . . . . . . . . . .124 7-bin Tabletop Mailbox Components . . . . . . . . . . . . . . . . . .126 7-bin Tabletop Mailbox Operation. . . . . . . . . . . . . . . . . . . . .128 8-bin Mailbox Components . . . . . . . . . . . . . . . . . . . . . . . . . .132 8-bin Mailbox Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . .135 Finisher Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .137 Stapler Unit Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . .139
C4085-91087 |
Table of Contents ix |
Main Functional Cycles of the Stapler
(Internal Paper Path) . . . . . . . . . . . . . . . . . . . . . . . . . . .141
Communication Link (Daisy Chain). . . . . . . . . . . . . . . . . . . .142
Paper Jam Detection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .144
Printer Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .144
IEEE 1284 Parallel Cable Information. . . . . . . . . . . . . . . . . . . . .147
6 Removal and Replacement
Removal and Replacement Strategy. . . . . . . . . . . . . . . . . . . . . .150
Required Tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .151
User Installable Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . .152
Hardware Table. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .160
Engine Removal and Replacement. . . . . . . . . . . . . . . . . . . . . . .162
Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .163
Covers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .165
Delivery Unit (for Standard Output Bin) . . . . . . . . . . . . . . . .174
Diverter Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .177
Diverter Door Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . .178
Lower Right Door Assembly . . . . . . . . . . . . . . . . . . . . . . . . .179
Fan 1, Laser/Scanner and Housing (Exhaust) . . . . . . . . . . .182
Fan 2, Low Voltage Power Supply (Exhaust) . . . . . . . . . . . .184
Fan 3, Formatter Fan and Housing (Intake) . . . . . . . . . . . . .185
Fan 4, Delivery Unit (Exhaust) . . . . . . . . . . . . . . . . . . . . . . .186
Tray 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .187
Tray 1 Pickup Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . .190
Feeder Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .194
Formatter Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .196
Fusing Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .198
Laser/Scanner Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . .200
Main Gear Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .202
Main Motor Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .205
Paper Input Unit (PIU). . . . . . . . . . . . . . . . . . . . . . . . . . . . . .206
PCA, DC Controller. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .207
Output Paper Sensor PCA . . . . . . . . . . . . . . . . . . . . . . . . . .208
High Voltage Power Supply (HVPS) . . . . . . . . . . . . . . . . . . .215
Low Voltage Power Supply (LVPS) . . . . . . . . . . . . . . . . . . .216
Registration Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . .217
Tray 1 Feed Roller and Separation Pad . . . . . . . . . . . . . . . .220
Tray 2 and 3 Pickup, Feed, and Separation Rollers . . . . . . .222
Paper Input Unit Sensor (PS2) . . . . . . . . . . . . . . . . . . . . . . .223
Registration Sensor (PS1) . . . . . . . . . . . . . . . . . . . . . . . . . .225
Face-up Solenoid Assembly (SL3) . . . . . . . . . . . . . . . . . . . .227
Transfer Roller Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . .228
Tray 2 and 3 Assemblies . . . . . . . . . . . . . . . . . . . . . . . . . . .230
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2000-sheet Input Tray Removal and Replacement. . . . . . . . . . .231
Orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .232
Front Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .233
Back Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .234
Left Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .235
Right Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .236
Main Drive Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .237
Paper Tray . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .239
Main Cable Harness . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .240
Controller PCA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .242
Front LED PCA Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . .244
Pickup Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .246
Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .248
Pickup, Feed, and Separation Rollers . . . . . . . . . . . . . . . . .250
Paper Quantity Switch Assembly . . . . . . . . . . . . . . . . . . . . .253
Paper Size Switch Assembly . . . . . . . . . . . . . . . . . . . . . . . .253
Vertical Transfer Unit (VTU) . . . . . . . . . . . . . . . . . . . . . . . . .255
Tension Springs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .257
Locating Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .258
Casters and Stabilizing Feet . . . . . . . . . . . . . . . . . . . . . . . . .259
Adjustable Foot . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .260
2 x 500-sheet Input Tray Removal and Replacement . . . . . . . . .261
Orientation of the 2 x 500-sheet Input Tray . . . . . . . . . . . . .262
Back Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .263
Left Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .264
Vertical Transfer Unit (VTU) . . . . . . . . . . . . . . . . . . . . . . . . .265
Right Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .268
Front Top Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .271
Trays 4 and 5 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .274
Pickup Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .276
Paper Deck Drive Assembly . . . . . . . . . . . . . . . . . . . . . . . . .278
Pickup, Feed, and Separation Rollers . . . . . . . . . . . . . . . . .280
Controller PCA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .281
Tray-Size Sensing PCA . . . . . . . . . . . . . . . . . . . . . . . . . . . .282
Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .284
Main Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .285
Storage Paper Tray. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .287
Front Door (Storage Area) . . . . . . . . . . . . . . . . . . . . . . . . . .288
Casters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .289
Foot Tip and Adjustable Foot Tip (Stabilizing Feet) . . . . . . .290
Locating Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .291
Front LED PCA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .292
7-bin Tabletop Mailbox Removal and Replacement . . . . . . . . . .293
Orientation of the 7-bin Tabletop Mailbox . . . . . . . . . . . . . . .294
Front Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .295
Back Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .298
Top Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .300
C4085-91087 |
Table of Contents xi |
Controller PCA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .304
Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .305
Right Door Assembly (Paper Path Cover) . . . . . . . . . . . . . .306
Face-down Bins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .310
Empty Bin Sensor PCA. . . . . . . . . . . . . . . . . . . . . . . . . . . . .313
Full Bin and Interlock Sensor PCA . . . . . . . . . . . . . . . . . . . .315
LED PCA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .317
Face-up Sensors PCA . . . . . . . . . . . . . . . . . . . . . . . . . . . . .318
Reversing Mechanism Motor . . . . . . . . . . . . . . . . . . . . . . . .319
Face-up/Diverter Assembly (Flipper) . . . . . . . . . . . . . . . . . .321
Short Tray 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .324
Solenoid Reversing Mechanism . . . . . . . . . . . . . . . . . . . . . .325
Flipper Solenoid . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .326
Handle. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .327
Latching Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .328
Cover Latch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .329
8-bin Mailbox Removal and Replacement. . . . . . . . . . . . . . . . . .330
Orientation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .331
Front and Back Covers . . . . . . . . . . . . . . . . . . . . . . . . . . . . .332
Top Cover . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .333
Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .334
Paper Bins and Blind Cover . . . . . . . . . . . . . . . . . . . . . . . . .335
Flipper Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .336
Delivery Head Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .339
Transport Belt Motor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .340
Input Paper Guide. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .342
Metal Tape and Housing Assembly . . . . . . . . . . . . . . . . . . .344
Controller PCA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .346
Anticurl Strings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .348
Delivery Head Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . .350
Interlock Switch. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .355
Diagnostic LED PCA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .356
User Status LED PCA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .358
Adjustable and Fixed Casters . . . . . . . . . . . . . . . . . . . . . . . .360
Attachment Assembly . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .361
Stapler Assembly Removal and Replacement . . . . . . . . . . . . . .362
Mailbox with Stapler, Stapler Removal or Installation. . . . . .363
Back Plate. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .365
Stapler Controller PCA . . . . . . . . . . . . . . . . . . . . . . . . . . . . .367
Top Cover Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .370
Stapler Bed Assembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .371
Hinges. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .373
xii |
C4085-91087 |
7 Troubleshooting
Troubleshooting Process. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .376 Printer and Paper-Handling Troubleshooting Process . . . . .378 Troubleshooting the Printing System . . . . . . . . . . . . . . . . . . . . .380 Preliminary Operating Checks . . . . . . . . . . . . . . . . . . . . . . .380 General Troubleshooting Information . . . . . . . . . . . . . . . . . . . . .381 Miscellaneous Problems and Solutions . . . . . . . . . . . . . . . .381 Paper Curl. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .386 Power On . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .387 Engine Test. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .390 Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .391 Event Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .391 General Paper Path Troubleshooting . . . . . . . . . . . . . . . . . . . . .395 Paper Jams. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .396 Paper Path Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .398 Printer Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .401 Control Panel Messages and Errors . . . . . . . . . . . . . . . . . . .401 Printer Message Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . .403 Self - Diagnostics on Paper-handling Devices . . . . . . . . . . . . . .440 2000-sheet Input Tray Stand-alone Diagnostics. . . . . . . . . .440 2 x 500-sheet Input Tray Standalone Diagnostics . . . . . . . .444 7-bin Tabletop Mailbox Standalone Diagnostics. . . . . . . . . .448 8-bin Mailbox Stand-alone Diagnostics. . . . . . . . . . . . . . . . .453
Information Pages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .461 Menu Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .461 Configuration Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .463 Communication . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .467 Interface Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . .467 Image Quality . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .469 Check the Toner Cartridge . . . . . . . . . . . . . . . . . . . . . . . . . .470 Image Quality Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .471 Repetitive Defect Ruler . . . . . . . . . . . . . . . . . . . . . . . . . . . . .484 Image System Troubleshooting . . . . . . . . . . . . . . . . . . . . . .485 High-Voltage Power Supply Check. . . . . . . . . . . . . . . . . . . .486 Network Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .488 Verify Host System Operation. . . . . . . . . . . . . . . . . . . . . . . .490 Verify Network and Server Operation . . . . . . . . . . . . . . . . . .490 Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .491
8 Parts and Diagrams
How to Use the Part Lists and Diagrams . . . . . . . . . . . . . . . . . .506 Ordering Parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .506 Accessories and Supplies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .507 Common Hardware. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .507 Illustrations and Parts Lists . . . . . . . . . . . . . . . . . . . . . . . . . . . . .507 Printer and Paper-Handling Components . . . . . . . . . . . . . . . . . .508
C4085-91087 |
Table of Contents xiii |
Printer Parts and Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . .512
Paper-Handling Devices Parts and Diagrams. . . . . . . . . . . . . . .524
Input Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .524
Output Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .532
Alphabetical Parts List. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .544
Numerical Parts List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .555
Index
xiv |
C4085-91087 |
List of Figures
Figure 1-1 |
Sample Model and Serial Number Label for the Printer |
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Figure 1-2 |
Orientation for Dimensions of Paper-handling Devices - |
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Figure 1-3 |
HP LaserJet 8000/N/DN Engine - Front and Right Side View |
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with Tray 1 Open - - |
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Figure 1-4 |
HP Mopier 240 - Front and Right Side View with Tray 1 Open - |
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Figure 1-5 |
Rear and Left Side View - |
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Figure 1-6 |
HP LaserJet 8000/N/DN Optional Paper Handling Devices- |
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Figure 1-7 |
Sample 5% Page Coverage - |
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Figure 2-1 |
Printer Space Requirements (Top view) - |
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Figure 2-2 |
Printer Space Requirements (Side view)- |
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Figure 2-3 |
Printer Space Requirements (with 8-bin Mailbox and |
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Input Device) - - - - - - - - |
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Figure 3-1 |
Control Panel Layout |
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Figure 4-1 |
Image Area Margins |
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Figure 4-2 |
Tray Position Adjustment - |
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Figure 4-3 |
Tray 4 Position Adjustment |
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Figure 5-1 |
Printer Functional Block Diagram |
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Figure 5-2 |
Low Voltage Power Distribution System - |
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Figure 5-3 |
Low Voltage Power Supply |
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Figure 5-4 |
High Voltage Power Supply Contacts |
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Figure 5-5 |
Normal Mode vs EconoMode - |
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Figure 5-6 |
Image Formation Block Diagram |
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Figure 5-7 |
Photosensitive Drum |
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- 103 |
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Figure 5-8 |
Drum Cleaning - - - - - - - |
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- 104 |
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Figure 5-9 |
Primary Charging Roller- - |
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- 105 |
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Figure 5-10 |
Image Writing- - - - |
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- 106 |
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Figure 5-11 |
Image Development |
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- 109 |
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Figure 5-12 |
Image Transferring and Media Separation - |
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- 110 |
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Figure 5-13 |
Image Fusing - - - - - - - - |
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- 111 |
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Figure 5-14 |
Printer Paper Paths - |
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- 112 |
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Figure 5-15 |
Printer Sensors, Solenoids, Clutches, Motors, and Fans - |
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- 114 |
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Figure 5-16 |
2000-sheet Input Tray Paper Path- |
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- 117 |
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Figure 5-17 |
2000-sheet Input Tray Sensors, Switches, Clutches, |
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and Motors - - - - - |
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- 119 |
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Figure 5-18 |
2 x 500-sheet Input Tray Paper Path |
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- 122 |
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Figure 5-19 |
2 x 500-sheet input Tray Sensors and Switches - |
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Figure 5-20 |
7-bin Tabletop Mailbox Components (1 of 2)- |
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- 126 |
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Figure 5-21 |
7-bin Tabletop Mailbox Components (2 of 2)- |
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- 127 |
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Figure 5-22 |
7-bin Tabletop Mailbox Block Diagram- |
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- 131 |
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Figure 5-23 |
8-bin Mailbox Paper Path - |
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- 132 |
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Figure 5-24 |
8-bin Mailbox Sensors, Switches, Motors, and Controller PCA - |
- 134 |
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C4085-91087 |
xv |
Figure 5-25 |
Finisher Paper Path- |
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- 138 |
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Figure 5-26 |
Stapler Motors, Sensors, and Switches |
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- 138 |
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Figure 5-27 |
Stapler Cycles - - |
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- 141 |
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Figure 5-28 |
Recommended C-link Configuration (Daisy Chain)- |
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- 143 |
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Figure 5-29 |
General Timing Diagram (1 of 2) |
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- 145 |
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Figure 5-30 |
General Timing Diagram (2 of 2) |
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- 146 |
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Figure 6-1 |
Phillips vs. Posidriv Screwdrivers |
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- 151 |
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Figure 6-2 |
Disk Drive - - - - |
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Figure 6-3 |
Control Panel (1 of 2) - |
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Figure 6-4 |
Control Panel (2 of 2) - |
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Figure 6-5 |
AC Access Cover - |
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Figure 6-6 |
Back Cover - - - - - - |
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Figure 6-7 |
Front Cover (1 of 2) - |
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Figure 6-8 |
Front Cover (2 of 2) - |
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Figure 6-9 |
Left Lower Cover - |
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Figure 6-10 |
Top Cover (1 of 2) |
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Figure 6-11 |
Top Cover (2 of 2) |
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Figure 6-12 |
Delivery Unit (1 of 2) |
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Figure 6-13 |
Delivery Unit (2 of 2) |
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Figure 6-14 |
Diverter Assembly |
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Figure 6-15 |
Diverter Door Assembly - |
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Figure 6-16 |
Lower Right Door Assembly (1 of 3) |
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Figure 6-17 |
Right Lower Door Assembly (2 of 3) |
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Figure 6-18 |
Right Lower Door Assembly (3 of 3) |
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Figure 6-19 |
Fan 1, Laser/Scanner (1 of 2) - |
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Figure 6-20 |
Fan 1, Laser/Scanner (2 of 2) - |
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Figure 6-21 |
Fan 2, Low Voltage Power Supply- |
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Figure 6-22 |
Fan 3, Formatter Fan - |
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Figure 6-23 |
Fan 4, Delivery Unit - |
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Figure 6-24 |
Tray 1 Removal (1 of 3) |
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Figure 6-25 |
Tray 1 Removal (2 of 3) |
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Figure 6-26 |
Tray 1 Removal (3 of 3) |
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Figure 6-27 |
Tray 1 Pickup Unit Removal (1 of 4) |
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Figure 6-28 |
Tray 1 Pickup Unit Removal (2 of 4) |
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Figure 6-29 |
Tray 1 Pickup Unit Removal (3 of 4) |
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Figure 6-30 |
Tray 1 Pickup Unit Removal (4 of 4) |
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Figure 6-31 |
Feeder Assembly (1 of 2) - |
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Figure 6-32 |
Feeder Assembly (2 of 2) - |
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Figure 6-33 |
Formatter Assembly |
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Figure 6-34 |
Fusing Assembly - |
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Figure 6-35 |
Laser/Scanner Assembly - |
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Figure 6-36 |
Main Gear Assembly (1 of 3) |
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Figure 6-37 |
Main Gear Assembly (2 of 3) |
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Figure 6-38 |
Main Gear Assembly (3 of 3) |
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Figure 6-39 |
Main Motor - - - - - - |
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Figure 6-40 |
Paper Input Unit - |
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Figure 6-41 |
DC Controller PCA |
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xvi |
C4085-91087 |
Figure 6-42 |
Output Paper Sensor PCA (1 of 4) |
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Figure 6-43 |
Output Paper Sensor PCA (2 of 4) |
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Figure 6-44 |
Output Paper Sensor PCA (3 of 4) |
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Figure 6-45 |
Output Paper Sensor PCA (4 of 4) |
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Figure 6-46 |
Paper Size PCA (1 of 3)- |
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Figure 6-47 |
Paper Size PCA (2 of 3)- |
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Figure 6-48 |
Paper Size PCA (3 of 3)- |
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Figure 6-49 |
High Voltage Power Supply - |
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Figure 6-50 |
Low Voltage Power Supply |
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Figure 6-51 |
Registration Assembly (1 of 3) |
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Figure 6-52 |
Registration Assembly (2 of 3) |
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Figure 6-53 |
Registration Assembly (3 of 3) |
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Figure 6-54 |
Tray 1 Feed Roller - - |
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Figure 6-55 |
Tray 1 Separation Pad |
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Figure 6-56 Tray 2 and 3, Pickup, Feed, and Separation Rollers - |
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Figure 6-57 |
Paper Input Unit Sensor (PS2) |
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Figure 6-58 |
Registration Sensor (PS1) |
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Figure 6-59 |
Face-up Solenoid Assembly, SL3 - |
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Figure 6-60 |
Transfer Roller Assembly - |
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Figure 6-61 |
2000-sheet Input Tray Orientation - |
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Figure 6-62 |
2000-sheet Input Tray Front Cover |
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Figure 6-63 |
2000-sheet Input Tray Back Cover |
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Figure 6-64 |
2000-sheet Input Tray Left Cover - |
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Figure 6-65 |
2000-sheet Input Tray Right Cover |
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Figure 6-66 2000-sheet Input Tray Main Drive Assembly - |
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Figure 6-67 |
2000-sheet Input Tray Paper Tray - |
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Figure 6-68 2000-sheet Input Tray Main Cable Harness - |
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Figure 6-69 |
2000-sheet Input Tray Controller PCA - |
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Figure 6-70 |
2000-sheet Input Tray Front LED PCA |
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Figure 6-71 |
2000-sheet Input Tray Pickup Assembly - |
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Figure 6-72 |
2000-sheet Input Tray Power Supply |
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Figure 6-73 2000-sheet Input Tray Rollers: Pickup, Feed, and Separation |
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Figure 6-74 2000-sheet Input Tray Paper Size and Paper Quantity Switch |
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Figure 6-75 2000-sheet Input Tray Paper Size and Paper Quantity Switch |
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Assemblies (2 of 2) - - |
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Figure 6-76 2000-sheet Input Tray Vertical Transfer Unit (VTU) |
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Figure 6-77 |
2000-sheet Input Tray Tension Springs |
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Figure 6-78 |
2000-sheet Input Tray Locating Pins |
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Figure 6-79 |
2000-sheet Input Tray Casters |
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Figure 6-80 |
2000-sheet Input Tray Adjustable Foot |
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Figure 6-81 Orientation of the 2 x 500-sheet Input Tray |
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Figure 6-82 |
Back Cover - - - - - - - - |
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Figure 6-83 |
Left Cover - - - - - - |
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- 264 |
Figure 6-84 |
Vertical Transfer Unit (VTU) (1 of 3) |
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Figure 6-85 |
Vertical Transfer Unit (VTU) (2 of 3) |
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Figure 6-86 |
Vertical Transfer Unit (VTU) (3 of 3) |
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Figure 6-87 |
Right Cover (1 of 3) - - |
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List of Figures xvii |
Figure 6-88 |
Right Cover (2 of 3) - |
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Figure 6-89 |
Right Cover (3 of 3) - |
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Figure 6-90 |
Front Top Cover (1 of 3) |
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Figure 6-91 |
Front Top Cover (2 of 3) |
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Figure 6-92 |
Front Top Cover (3 of 3) |
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Figure 6-93 |
Trays 4 and 5 (1 of 2) - |
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Figure 6-94 |
Trays 4 and 5 (2 of 2) - |
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Figure 6-95 |
Pickup Assembly (1 of 2) |
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Figure 6-96 |
Pickup Assembly (2 of 2) |
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Figure 6-97 |
Paper Deck Drive Assembly (1 of 2) |
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Figure 6-98 |
Paper Deck Drive Assembly (2 of 2) |
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Figure 6-99 |
Pickup, Feed, and Separation Rollers - |
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Figure 6-100 |
2 x 500-sheet Input Tray Controller PCA- |
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Figure 6-101 |
Tray-Size Sensing PCA (1 of 2) |
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Figure 6-102 |
Tray-Size Sensing PCA (2 of 2) |
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Figure 6-103 |
Power Supply- - - - - |
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Figure 6-104 |
Main Cable (1 of 2) - |
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Figure 6-105 |
Main Cable (2 of 2) - |
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Figure 6-106 |
Storage Paper Tray - |
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Figure 6-107 |
Front Door (Storage Area) |
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Figure 6-108 |
Casters - - - - - - - - |
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Figure 6-109 |
Foot Tip and Adjustable Foot Tip |
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Figure 6-110 |
Locating Pins - - - - - |
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Figure 6-111 |
Front LED PCA - - |
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Figure 6-112 |
Orientation of the 7-bin Tabletop Mailbox |
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Figure 6-113 |
Front cover (1 of 3) - |
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Figure 6-114 |
Front cover (2 of 3) - |
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Figure 6-115 |
Front cover (3 of 3) |
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Figure 6-116 |
Back cover (1 of 2) |
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Figure 6-117 |
Back cover (2 of 2) |
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Figure 6-118 |
Top cover (1 of 4) - |
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Figure 6-119 |
Top cover (2 of 4) - |
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Figure 6-120 |
Top cover (3 of 4) - |
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Figure 6-121 |
Top cover (4 of 4) - |
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Figure 6-122 |
Mailbox Controller PCA |
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Figure 6-123 |
Mailbox Power Supply |
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Figure 6-124 |
Right Door Assembly (Paper Path Cover) (1 of 5) |
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Figure 6-125 |
Right Door Assembly (Paper Path Cover) (2 of 5) |
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Figure 6-126 |
Right Door Assembly (Paper Path Cover) (3 of 5) |
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Figure 6-127 |
Right Door Assembly (Paper Path Cover) (3 of 5) |
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Figure 6-128 |
Right Door Assembly (Paper Path Cover) (4 of 5) |
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Figure 6-129 |
Face-down Bins (1 of 3) |
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Figure 6-130 |
Face-down Bins (2 of 3) |
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Figure 6-131 |
Face-down Bins (3 of 3) |
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Figure 6-132 |
Empty Bin Sensor PCA (1 of 2) |
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Figure 6-133 |
Empty Bin Sensor PCA (2 of 2) |
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Figure 6-134 |
Full Bin and Interlock Sensor PCA (1 of 2) - |
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xviii |
C4085-91087 |
Figure 6-135 Full Bin and Interlock Sensor PCA (2 of 2) - |
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Figure 6-136 LED PCA - - - - - - - - - - - - |
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Figure 6-137 Face-up Sensors PCA |
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Figure 6-138 Reversing Mechanism Motor (1 of 2) |
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Figure 6-139 Reversing Mechanism Motor (2 of 2) |
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Figure 6-140 Face-up/Diverter Assembly (Flipper) (1 of 3)- |
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Figure 6-141 Face-up/Diverter Assembly (Flipper) (2 of 3)- |
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Figure 6-142 Face-up/Diverter Assembly (Flipper) (3 of 3)- |
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Figure 6-143 Short Tray 7 |
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Figure 6-144 Solenoid Reversing Mechanism - |
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Figure 6-145 Flipper Solenoid - |
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Figure 6-146 7-bin Tabletop Mailbox Handle |
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Figure 6-147 Latching Mechanism |
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Figure 6-148 Cover Latch |
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Figure 6-149 Orientation of the 8-bin Mailbox - |
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Figure 6-150 8-bin Mailbox Covers (Front and Back) |
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Figure 6-151 8-bin Mailbox Top Cover |
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Figure 6-152 8-bin Mailbox Power Supply- |
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Figure 6-153 8-bin Mailbox Paper Bins and Blind Cover - |
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Figure 6-154 8-bin Mailbox Flipper Assembly (1 of 3) - |
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Figure 6-155 8-bin Mailbox Flipper Assembly (2 of 3) - |
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Figure 6-156 8-bin Mailbox Flipper Assembly (3 of 3) |
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Figure 6-157 8-bin Mailbox Delivery Head Motor |
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Figure 6-158 8-bin Mailbox Transport Belt Motor |
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Figure 6-159 8-bin Mailbox Input Paper Guide (1 of 2)- |
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Figure 6-160 8-bin Mailbox Input Paper Guide (2 of 2)- |
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Figure 6-161 8-bin Mailbox Metal Tape and Housing Assembly (1 of 2) |
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Figure 6-162 8-bin Mailbox Metal Tape and Housing Assembly (2 of 2) |
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Figure 6-163 8-bin Mailbox Controller PCA (1 of 2) |
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Figure 6-164 8-bin Mailbox Controller PCA (2 of 2) |
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Figure 6-165 8-bin Mailbox Anticurl Strings (1 of 2) |
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Figure 6-166 8-bin Mailbox Anticurl Strings (2 of 2) |
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Figure 6-167 8-bin Mailbox Delivery Head Assembly (1 of 4) |
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Figure 6-168 8-bin Mailbox Delivery Head Assembly (2 of 4) |
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Figure 6-169 8-bin Mailbox Delivery Head Assembly (3 of 4) |
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Figure 6-170 8-bin Mailbox Delivery Head Assembly (4 of 4) |
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Figure 6-171 8-bin Mailbox Interlock Switch - |
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Figure 6-172 8-bin Mailbox Diagnostic LED PCA (1 of 2) |
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Figure 6-173 8-bin Mailbox Diagnostic LED PCA (2 of 2) |
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Figure 6-174 8-bin Mailbox User Status LED PCA (1 of 2) - |
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Figure 6-175 8-bin Mailbox User Status LED PCA (2 of 2) - |
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Figure 6-176 8-bin Mailbox Adjustable and Fixed Casters - |
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Figure 6-177 8-bin Mailbox Attachment Assembly - |
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Figure 6-178 Mailbox with Stapler, Stapler Removal or Installation- |
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Figure 6-179 C-link Cable on Mailbox with Stapler |
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- 364 |
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Figure 6-180 Back Plate (1 of 2) |
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- 365 |
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Figure 6-181 Back Plate (2 of 2) |
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- 366 |
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C4085-91087 |
List of Figures xix |
Figure 6-182 |
Stapler Controller PCA (1 of 3) |
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Figure 6-183 |
Stapler Controller PCA (2 of 3) |
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Figure 6-184 |
Stapler Controller PCA (3 of 3) |
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Figure 6-185 |
Top Cover Assembly - - - - - - - |
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Figure 6-186 |
Stapler Bed Assembly |
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- 371 |
Figure 6-187 |
Hinges - - - - - - - - - - - - - - |
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- 373 |
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Figure 7-1 |
Printer and Paper-Handling Troubleshooting Process (1 of 2) |
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- 378 |
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Figure 7-2 |
Printer and Paper-Handling Troubleshooting Process (2 of 2) |
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- 379 |
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Figure 7-3 |
Fan Location and Airflow - |
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Figure 7-4 |
Engine Test Button - - - - - - - - |
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- 390 |
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Figure 7-5 |
Sample Event Log - - |
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- 392 |
Figure 7-6 |
Paper Path Jam Locations |
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Figure 7-7 |
Paper Path Test Source and Output Selection - |
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- 399 |
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Figure 7-8 |
Error Format for Paper Handling |
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Figure 7-9 |
8-bin Mailbox LEDs Description - |
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Figure 7-10 |
8-bin Mailbox Power Supply Test Mode Switch |
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Figure 7-11 |
Sample Menu Map - - - - - - - - |
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Figure 7-12 |
Sample Configuration Page - |
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Figure 7-13 |
Communications Link (C-link) Cables, Supported Daisy |
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Chain Connections - - - - - - - - |
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Figure 7-14 |
Repetitive Defect Ruler - - |
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Figure 7-15 |
High Voltage Power Supply Contacts |
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- - - 487 |
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Figure 7-16 |
Sample JetDirect Configuration Page - |
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Figure 7-17 |
Printer Sensors and Switches - |
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Figure 7-18 |
Printer Motor, Clutches, and Solenoids |
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- 493 |
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Figure 7-19 |
DC Controller Inputs and Outputs (1 of 5) - |
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- 494 |
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Figure 7-20 |
DC Controller Inputs and Outputs (2 of 5) - |
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- 495 |
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Figure 7-21 |
DC Controller Inputs and Outputs (3 of 5) - |
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- 496 |
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Figure 7-22 |
DC Controller Inputs and Outputs (4 of 5) - |
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- 497 |
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Figure 7-23 |
DC Controller Inputs and Outputs (5 of 5) - |
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- 498 |
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Figure 7-24 |
Mailbox with Stapler Wiring Diagram |
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- 499 |
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Figure 7-25 |
2000-sheet Input Tray Controller PCA Inputs |
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- 500 |
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Figure 7-26 |
2000-sheet Input Tray Controller PCA Outputs |
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- 501 |
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Figure 7-27 |
2000-sheet Input Tray Main Wiring Diagram - |
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- 502 |
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Figure 7-28 |
8-bin Mailbox Main Wiring Diagram - |
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- 503 |
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Figure 8-1 |
HP LaserJet 8000/8000N/8000DN or Mopier 240 Printer |
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and Paper-Handling Components - |
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- 508 |
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Figure 8-2 |
Printer Covers and Doors - |
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- 512 |
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Figure 8-3 |
Printer Internal Components (1 of 4) |
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- 514 |
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Figure 8-4 |
Printer Internal Components (2 of 4) |
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- 516 |
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Figure 8-5 |
Printer Internal Components (3 of 4) |
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- 520 |
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Figure 8-6 |
Printer Internal Components (4 of 4) |
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- 522 |
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Figure 8-7 |
2000-sheet Input Tray Components (1 of 2) |
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- 524 |
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Figure 8-8 |
2000-sheet Input Tray Components (2 of 2) |
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- 526 |
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Figure 8-9 |
2 x 500-sheet Input Tray Internal Components- |
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- 528 |
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Figure 8-10 |
7-bin Tabletop Mailbox Internal Components |
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- 532 |
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Figure 8-11 |
8-bin Mailbox Components (1 of 3) |
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- 536 |
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xx |
C4085-91087 |
Figure 8-12 |
8-bin Mailbox Components (2 of 3) |
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- 538 |
Figure 8-13 |
8-bin Mailbox Components (3 of 3) |
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- 540 |
Figure 8-14 |
Stapler Internal Components - - - |
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- 542 |
C4085-91087 |
List of Figures xxi |
xxii |
C4085-91087 |
List of Tables
Table 1-1. |
Common features between the HP LaserJet 8000, |
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HP LaserJet 8000 N, HP LaserJet 8000 DN, and |
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HP Mopier 240 - - - - |
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2 |
Table 1-2. |
Comparison of Printer Features - |
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3 |
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Table 1-3. |
Paper Capacities and Sizes - |
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4 |
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Table 1-4. |
Dimensions of Printer and Paper-handling Devices |
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7 |
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Table 1-5. |
Dimensions of Output Devices |
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8 |
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Table 1-6. |
Electrical Specifications - |
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9 |
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Table 1-7. |
Acoustic Emissions - - |
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10 |
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Table 1-8. |
Accessories and Options |
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20 |
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Table 1-9. |
Minimum Memory Requirements |
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27 |
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Table 2-1. |
Printer and Toner Cartridge Environmental Conditions - |
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49 |
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Table 3-1. |
Control Panel Keys - - |
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52 |
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Table 3-2. |
Indicator Lights - - - - |
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53 |
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Table 3-3. |
Factory Default Settings- |
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56 |
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Table 3-4. |
Information Menu - - - |
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59 |
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Table 3-5. |
Paper Handling Menu - |
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60 |
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Table 3-6. |
Print Quality Menu - - |
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62 |
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Table 3-7. |
Printing Menu- - - - - |
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64 |
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Table 3-8. |
Configuration Menu - - |
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67 |
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Table 3-9. |
I/O Menu - - - - - - - |
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70 |
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Table 3-10. |
EIO Menu - - - - - - |
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72 |
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Table 3-11. |
Resets Menu - - - - - |
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74 |
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Table 3-12. |
Service Mode Menu Items |
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76 |
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Table 4-1. |
Cleaning the Printer- - |
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84 |
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Table 5-1. |
Printer Sensors, Solenoids, Clutches, Motors, and Fans - |
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- 113 |
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Table 5-2. |
Paper Size Switches - |
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- 115 |
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Table 5-3. |
2000-sheet Input Tray Sensors, Switches, Clutches and Motors - 118 |
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Table 5-4. |
2000-sheet Input Tray Paper Quantity Switches - |
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- 120 |
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Table 5-5. |
2000-sheet Input Tray Paper Size Switches - |
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- 120 |
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Table 5-6. |
2 x 500-sheet Input Tray Sensors, Switches, and Motors- |
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- 123 |
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Table 5-7. |
2 x 500-sheet Input Tray Switches- |
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- 124 |
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Table 5-8. |
7-bin Tabletop Mailbox Sensors, Switches, and Motors |
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- 127 |
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Table 5-9. |
8-bin Mailbox Sensors, Switches, Motors, and Controller PCA - |
- 133 |
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Table 5-10. |
Stapler Motors, Sensors, and Switches |
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- 139 |
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Table 5-11. |
Printer Timing- - - - - |
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- 144 |
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Table 5-12. |
Parallel Cable Pin Assignments - |
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- 147 |
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Table 6-1. |
Hardware Table- - - - |
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- 160 |
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Table 7-1. |
Major Steps for Troubleshooting- |
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- 376 |
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Table 7-2. |
Paper Curl - - - - - - |
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- 386 |
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Table 7-3. |
Power On Defects or Blank Display |
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- 387 |
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C4085-91087 |
xxiii |
Table 7-4. |
Fans - - - - - - - - - |
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- - - - - |
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- 389 |
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Table 7-5. |
General Paper Path Troubleshooting Questions - |
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- 395 |
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Table 7-6. |
Engine Error Messages - |
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- 404 |
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Table 7-7. |
2000-sheet Input Tray Error Messages |
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- 416 |
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Table 7-8. |
2 x 500-sheet Input Tray Error Messages |
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- 420 |
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Table 7-9. |
Envelope Feeder Error Messages - |
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- 423 |
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Table 7-10. |
7-bin Tabletop Mailbox Error Messages - |
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- 424 |
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Table 7-11. |
8-bin Mailbox Error Messages- |
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- 429 |
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Table 7-12. |
Stapler Error Messages - |
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- 435 |
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Table 7-13. |
Duplexer Error Messages - |
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- 438 |
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Table 7-14. |
Paper Handling Controller Error Messages |
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- 439 |
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Table 7-15. |
DIP Switch Settings - |
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- - - - - |
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- 442 |
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Table 7-16. |
2000-sheet Input Tray LED Status Interpretation- |
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- 443 |
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Table 7-17. |
DIP Switch Settings for troubleshooting test procedures - |
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- 445 |
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Table 7-18. |
Patterns of LED flashing (2-second pause between each |
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pattern) - - - - - - - - |
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- 447 |
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Table 7-19. |
DIP switch settings for troubleshooting test |
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- 448 |
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Table 7-20. |
Patterns of Flashing LEDs |
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- 450 |
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Table 7-21. |
8-bin Mailbox LED Status Interpretation - |
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- 456 |
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Table 7-22. |
Key to Figure 7-11 |
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- 462 |
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Table 7-23. |
Printer Devices Troubleshooting- |
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- 466 |
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Table 7-24. |
Image Quality- - - - - |
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- 469 |
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Table 7-25. |
Blank (White) Page - |
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- 471 |
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Table 7-26. |
Black Pages |
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- 471 |
Table 7-27. |
Fading Print |
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- 472 |
Table 7-28. |
Dropout- - - - - - - - |
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- 474 |
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Table 7-29. |
Black Lines (parallel or perpendicular to path) - |
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- 474 |
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Table 7-30. |
Toner Smear - - - - - |
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- 475 |
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Table 7-31. |
Background Scatter - |
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- 476 |
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Table 7-32. |
Repetitive Defects |
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- 477 |
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Table 7-33. |
Line at Edge of Paper - |
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- 478 |
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Table 7-34. |
Misshapen Characters, Voids - |
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- 479 |
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Table 7-35. |
Faulty Registration |
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- 480 |
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Table 7-36. |
Image Skew |
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- 480 |
Table 7-37. |
Bubble Print |
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- 481 |
Table 7-38. |
White Stripes Parallel to Path - |
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Table 7-39. |
Partial Blank Page |
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Table 7-40. |
Compressed Print- |
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- 483 |
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Table 7-41. |
Blank Portion in the Middle of the Page (Tray 4 Input only) - |
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- 483 |
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Table 8-1. |
Printer and Paper-Handling Components |
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- 509 |
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Table 8-2. |
Printer Covers and Doors - |
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- 513 |
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Table 8-3. |
Printer Internal Components (1 of 4) |
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- 515 |
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Table 8-4. |
Printer Internal Components (2 of 4) |
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- 517 |
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Table 8-5. |
Printer Internal Components (3 of 4) |
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- 521 |
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Table 8-6. |
Printer Internal Components (4 of 4) |
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- 523 |
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Table 8-7. |
2000-sheet Input Tray Components (1 of 2) |
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- 525 |
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Table 8-8. |
2000-sheet Input Tray Components (2 of 2) |
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- 527 |
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xxiv |
C4085-91087 |
Table 8-9. |
2 x 500-sheet Input Tray Internal Components- |
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- 529 |
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Table 8-10. |
7-bin Tabletop Mailbox Internal Components |
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- 533 |
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Table 8-11. |
8-bin Mailbox Components (1 of 3) |
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- 537 |
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Table 8-12. |
8-bin Mailbox Components (2 of 3) |
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- 539 |
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Table 8-13. |
8-bin Mailbox Components (3 of 3) |
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- 541 |
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Table 8-14. |
Stapler Internal Components |
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- 543 |
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Table 8-15. |
Alphabetical Parts List |
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- 544 |
Table 8-16. |
Numerical Parts List - |
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- 555 |
C4085-91087 |
List of Tables xxv |
xxvi |
C4085-91087 |
1 Product Information
Chapter Contents
Printer Features - - - - - - |
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2 |
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Paper Capacities and Sizes |
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4 |
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Identification - - - - - - - - |
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Specifications - - - - - - - |
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7 |
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Media Selection Guidelines |
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- 11 |
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Product Overview |
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- 14 |
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Service Approach |
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- 28 |
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Technical Assistance - - - - |
- - - - - - - - - - - - - - - - 31 |
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Warranty- - - - - - - - - - - - - - - - - - - - - - - - - - 33 |
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Regulatory Information - - - - - - - - - - - - - - - - - - - 35 |
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Declaration of Conformity |
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- 40 |
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C4085-91087 |
Chapter Contents 1 |
Printer Features
Table 1-1. Common features between the HP LaserJet 8000, HP LaserJet 8000 N, HP LaserJet 8000 DN, and HP Mopier 240
Feature |
Description |
Print Speed |
24 ppm letter or A4 |
|
13 ppm ledger (11 x 17) or A3 |
|
15 ppm legal or B4 |
Duplex Speed |
9.5 ppm letter or A4 |
|
6.5 ppm ledger or A3 |
|
7.5 ppm legal or B4 |
Text & Graphics Resolution |
FastRes 1200 provides 1200 dpi quality at full speed |
|
plus Resolution Enhancement technology (REt) |
Standard Printer Languages: |
Enhanced PCL 6 |
|
PCL 5e for compatibility |
|
Postscript™ Level 2 emulation |
Duty Cycle (Monthly Usage) |
Up to 130,000 images |
Internal Typefaces |
45 PCL, 35 PostScript |
Cartridge Slots |
None |
Power Control |
power save mode |
Control Panel |
6 Keys, LCD Display |
|
(2-line, 16 characters per line) |
EconoMode |
Yes |
(toner saving) |
|
|
|
2 Chapter 1 Product Information |
C4085-91087 |
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