HP m607, m608, m609, m631mfp, m632mfp Troubleshooting Manual
...
LaserJet Enterprise M607, M608, M609
LaserJet Enterprise MFP M631, M632, M633
www.hp.com/support/ljM607
www.hp.com/support/ljM608
www.hp.com/support/ljM609
www.hp.com/support/ljM631MFP
www.hp.com/support/ljM632MFP
www.hp.com/support/ljM633MFP
Troubleshooting Manual
For printer part removal procedures and parts
diagrams information, see the Repair Manual.
M607n, M607dn,
M608n, M608dn, M608dh, M609dn
M608x, M609x
M631dn
Flow M631h
M632h
M633fh
Flow M632z
Flow M633z
M631z M632fht
HP LaserJet Enterprise M607, M608, M609.
MFP M631, MFP M632, MFP M633
Troubleshooting Manual
Copyright and License
Trademark Credits
© Copyright 2017 HP Development Company,
L.P.
Reproduction, adaptation, or translation
without prior written permission is prohibited,
except as allowed under the copyright laws.
The information contained herein is subject to
change without notice.
The only warranties for HP products and
services are set forth in the express warranty
statements accompanying such products and
services. Nothing herein should be construed
as constituting an additional warranty. HP shall
not be liable for technical or editorial errors or
omissions contained herein.
Edition 1, 5/2017
Microsoft®, Windows®, Windows® XP, and
Windows Vista® are U.S. registered trademarks
of Microsoft Corporation.
Conventions used in this guide
TIP: Helpful hints or shortcuts.
Reinstallation tip: Reinstallation helpful hints, shortcuts, or considerations.
NOTE: Information that explains a concept or how to complete a task.
IMPORTANT: Information that help the user to avoid potential printer error conditions.
CAUTION: Procedures that the user must follow to avoid losing data or damaging the printer.
WARNING! Procedures that the user must follow to avoid personal injury, catastrophic loss of data, or
extensive damage to the printer.
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iv Conventions used in this guide ENWW
For additional service and support information
HP service personnel, go to the Service Access Work Bench (SAW) at http://sawpro.glb.itcs.hp.com.
Channel partners, go to HP Channel Services Network (CSN) at www.hp.com/partners/csn .
At these locations, nd information on the following topics:
●
Install and congure
●
Printer specications
●
Up-to-date control panel message (CPMD) troubleshooting
●
Solutions for printer issues and emerging issues
●
Remove and replace part instructions and videos
●
Service advisories
●
Warranty and regulatory information
Channel partners, access training materials in the HP University and Partner Learning Center at
https://content.ext.hp.com/sites/LMS/HPU.page.
To access HP PartSurfer information from any mobile device, go to http://partsurfermobile.hp.com/ or scan
the Quick Response (QR) code below.
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vi For additional service and support information ENWW
Table of contents
1 Theory of operation ....................................................................................................................................... 1
Related documentation and software ................................................................................................................... 2
Basic operation ...................................................................................................................................................... 3
Sequence of operation ........................................................................................................................ 4
Engine-control system .......................................................................................................................................... 5
DC controller ........................................................................................................................................ 6
Motors ............................................................................................................................... 7
Fans ................................................................................................................................... 8
Solenoids ........................................................................................................................... 8
Clutches ............................................................................................................................. 8
Switches ............................................................................................................................ 8
Photointerrupter sensors ............................................................................................... 10
Sensors ........................................................................................................................... 10
LEDs ................................................................................................................................. 10
Low-voltage power supply ................................................................................................................ 11
Low-voltage power supply voltages description ........................................................... 12
Over-current/over-voltage protection ........................................................................... 12
Safety .............................................................................................................................. 12
Low-voltage power supply functions ............................................................................. 13
High-voltage power supply ............................................................................................................... 13
High-voltage power supply circuits ................................................................................ 13
Fuser control ..................................................................................................................................... 14
Fuser circuits ................................................................................................................... 15
Fuser control functions ................................................................................................... 16
Fuser heater protection .................................................................................................. 18
Laser scanner system .......................................................................................................................................... 19
Laser/scanner failure detection ........................................................................................................ 20
Safety ................................................................................................................................................ 20
Image formation system ..................................................................................................................................... 21
Image-formation process ................................................................................................................. 24
Step 1: Pre-exposure ...................................................................................................... 24
Step 2: Primary charging ................................................................................................ 25
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Step 3: Laser-beam exposure ......................................................................................... 26
Step 4: Development ...................................................................................................... 26
Step 5: Transfer ............................................................................................................... 27
Step 6: Separation ........................................................................................................... 27
Step 7: Fusing .................................................................................................................. 28
Step 8: Drum cleaning ..................................................................................................... 28
Toner cartridge .................................................................................................................................................... 29
Design ................................................................................................................................................ 29
Pickup, feed, and delivery system ....................................................................................................................... 30
Photo sensors and switches ............................................................................................................. 33
Motors, clutches, and solenoids ........................................................................................................ 34
Jam detection/prevention ................................................................................................................. 35
Input accessories ................................................................................................................................................. 38
550-sheet paper feeder (PF) ............................................................................................................. 38
Controller ........................................................................................................................ 38
Paper path ....................................................................................................................... 38
Pickup and feed components ......................................................................................... 39
Jam detection .................................................................................................................. 42
2,100-sheet paper deck (HCI) ........................................................................................................... 42
Controller ........................................................................................................................ 42
Paper path ....................................................................................................................... 42
Pickup and feed components ......................................................................................... 43
Jam detection .................................................................................................................. 46
1x550, 3x550, 2,550-sheet paper decks (PD) .................................................................................. 46
Controller ........................................................................................................................ 46
Paper path ....................................................................................................................... 46
Pickup and feed components ......................................................................................... 49
Paper deck jam detection ............................................................................................... 53
Output accessories .............................................................................................................................................. 54
2-bin staple stacker multi-bin mailbox (SSMBM) ............................................................................. 54
Controller ........................................................................................................................ 54
Paper path ....................................................................................................................... 54
Motors ............................................................................................................................. 55
Fan ................................................................................................................................... 56
Delivery functions ........................................................................................................... 56
Delivery operation .......................................................................................................... 56
Jam detection .................................................................................................................. 59
5-bin staple stacker multi bin mailbox (SSMBM) .............................................................................. 60
Controller ........................................................................................................................ 61
Paper path ....................................................................................................................... 61
Motors ............................................................................................................................. 63
viii ENWW
Fan ................................................................................................................................... 63
Delivery functions ........................................................................................................... 63
Delivery operation .......................................................................................................... 64
Jam detection .................................................................................................................. 66
Scanning and image capture system (M631, M632, M633) ................................................................................ 69
Document feeder system (M631, M632, M633) ................................................................................................. 70
Document feed system ..................................................................................................................... 70
Sensors in the document feeder ....................................................................................................... 70
Document feeder paper path ............................................................................................................ 71
Document feeder simplex operation ................................................................................................ 72
Document feeder e-duplex operation .............................................................................................. 73
Deskew operation .............................................................................................................................. 74
Document feeder hinges ................................................................................................................... 74
2 Solve problems ............................................................................................................................................ 77
Solve problems checklist ..................................................................................................................................... 79
Solve problems checklist ................................................................................................................... 79
Print menu map ................................................................................................................................. 84
Print current settings pages ............................................................................................................. 84
View, print and clear the event log ................................................................................................... 85
View or print the event log from the Troubleshooting menu ........................................ 85
View, print, or clear the event log from the Service menu ............................................. 86
Pre-boot menu options ..................................................................................................................... 87
Remote Admin ................................................................................................................. 97
Required software and network connection ................................................ 97
Connect a remote connection ....................................................................... 99
Disconnect a remote connection ................................................................ 103
Troubleshooting process ................................................................................................................................... 106
Determine the problem source ....................................................................................................... 106
Pre-troubleshooting checklist ...................................................................................... 106
Troubleshooting owchart ........................................................................................... 107
Power subsystem ............................................................................................................................ 108
Power-on checks ........................................................................................................... 108
Power-on troubleshooting overview ......................................................... 109
Control panel checks (touchscreen models) ................................................................................... 114
Control-panel diagnostics (touchscreen models) ........................................................ 114
Touchscreen diagnostic mode (touchscreen models) ............................... 114
Control-panel system diagnostics (touchscreen models) ......................... 119
Control panel diagnostic owcharts (touchscreen models) ........................................ 134
Touchscreen black, white, or dim (no image) ............................................ 135
Touchscreen has an unresponsive zone .................................................... 136
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No control panel sound .............................................................................. 137
Home button is unresponsive .................................................................... 138
Hardware integration pocket (HIP) is not functioning (control panel
functional) .................................................................................................. 139
Tools for troubleshooting .................................................................................................................................. 140
Individual component diagnostics .................................................................................................. 141
Tools for troubleshooting: LED diagnostics ................................................................. 141
Understand lights on the formatter ........................................................... 141
Tools for troubleshooting: Engine diagnostics ............................................................ 144
Engine test button ...................................................................................... 144
Defeating interlocks ................................................................................... 145
Disable cartridge check .............................................................................. 147
Tools for troubleshooting: Paper path and sensor diagnostic tests ........................... 147
Paper path page ......................................................................................... 147
Paper path sensors test ............................................................................. 148
Manual sensor tests ................................................................................... 151
Tools for troubleshooting: Print/stop test ................................................................... 153
Tools for troubleshooting: Component tests ............................................................... 155
Individual component diagnostics ............................................................. 155
Tools for troubleshooting: Scanner tests (MFP) ........................................................... 157
Continuous scan test (MFP) ........................................................................ 157
Tools for troubleshooting: Scanner tests (MFP) ........................................................... 158
Run fax test (MFP) ...................................................................................... 158
Diagrams ......................................................................................................................................... 159
Diagrams: Block diagrams ............................................................................................ 159
Diagrams Electrical components ............................................................... 159
Diagrams: External plug and port locations .............................................. 171
Diagrams: Locations of major assemblies ................................................. 173
Diagrams: General timing chart ................................................................................... 193
Diagrams: General circuit diagrams ............................................................................. 194
Internal test and information pages ............................................................................................... 202
Print a conguration page ............................................................................................ 202
Wireless page ............................................................................................. 204
HP embedded Jetdirect page ..................................................................... 206
Fax accessory page ..................................................................................... 207
Finding important information on the conguration pages ..................... 208
Print a fuser test page .................................................................................................. 210
Control-panel menus ...................................................................................................................... 211
Copy menu (MFP models only) ..................................................................................... 213
Scan menu (MFP models only) ..................................................................................... 216
Print menu .................................................................................................................... 217
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HP JetAdvantage menu (MFP models only) ................................................................. 218
Quick Sets menu (MFP models only) ............................................................................ 219
Contacts menu (fax models only) ................................................................................. 220
Supplies menu .............................................................................................................. 221
Trays menu ................................................................................................................... 223
Reports menu ............................................................................................................... 226
Settings menu ............................................................................................................... 228
Support Tools menu ..................................................................................................... 233
Control panel message document (CPMD) ..................................................................................... 240
Control-panel messages and event log entries ........................................................... 240
Improve print quality ......................................................................................................................................... 241
Improve print quality ...................................................................................................................... 241
Introduction .................................................................................................................. 241
Print from a dierent software program ..................................................................... 241
Check the paper-type setting for the print job ............................................................ 241
Check the paper type setting (Windows) ................................................... 241
Check the paper type setting (OS X) .......................................................... 242
Check toner-cartridge status ....................................................................................... 242
Print a cleaning page .................................................................................................... 242
Visually inspect the toner cartridge ............................................................................. 243
Check paper and the printing environment .................................................................. 243
Step one: Use paper that meets HP specications .................................... 243
Step two: Check the environment .............................................................. 243
Step three: Set the individual tray alignment ............................................ 244
Try a dierent print driver ............................................................................................ 244
Check the EconoMode settings .................................................................................... 245
Adjust print density ...................................................................................................... 245
Print quality troubleshooting guide .................................................................................................................. 247
Introduction ..................................................................................................................................... 248
Toner cartridges ............................................................................................................ 249
Check toner-cartridge status ..................................................................... 249
Visually inspect the toner cartridge or cartridges ..................................... 249
Check the paper-type setting for the print job ............................................................ 250
Check paper and the printing environment .................................................................. 250
Information to collect ................................................................................................... 251
Product specic image defects ....................................................................................................... 251
Resolving print quality problems ................................................................................. 251
Introduction ................................................................................................ 251
Troubleshoot print quality problems ......................................................... 252
Repetitive image defect ruler ....................................................................................... 259
Use a ruler to measure between repetitive defects .................................. 260
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Printer specic image defects ...................................................................................... 263
Image defect events ................................................................................... 263
Clean the printer ................................................................................................................................................ 279
Clean the paper path ....................................................................................................................... 279
Print a cleaning page ....................................................................................................................... 279
Check the scanner glass for dirt and smudges (MFP) ..................................................................... 280
Clean the pickup rollers and separation pad in the document feeder (MFP) ................................. 282
Clean the Tray 1 roller and separation pad ..................................................................................... 284
Step 1: Clean the Tray 1 roller ....................................................................................... 284
Step 2: Clean the separation pad assembly ................................................................. 285
Clean the Tray 2-X rollers ................................................................................................................ 287
Step 1: Clean the Tray 2-X rollers ................................................................................. 287
Solve paper handling problems ........................................................................................................................ 294
Printer feeds incorrect page size .................................................................................................... 294
Printer pulls from incorrect tray ..................................................................................................... 294
Printer will not duplex or duplexes incorrectly ............................................................................... 294
Paper does not feed from Tray 2-X ................................................................................................. 295
Output is curled or wrinkled ............................................................................................................ 295
Printer does not pick up paper or misfeeds .................................................................................... 296
The printer does not pick up paper .............................................................................. 296
The printer picks up multiple sheets of paper ............................................................. 297
The document feeder jams, skews, or picks up multiple sheets of paper (MFP) ........ 297
Paper does not feed automatically .............................................................................. 297
Clear paper jams .............................................................................................................................. 299
Paper path jam sensor locations .................................................................................. 300
Paper jam locations (M631, M632, and M633) ............................................................ 307
Paper jam locations (M607, M608, and M609) ............................................................ 308
Auto-navigation for clearing jams ................................................................................ 308
Experiencing frequent or recurring paper jams? ......................................................... 308
Clear paper jams in the document feeder .................................................................... 310
Clear paper jams in Tray 1(M631, M632, and M633) .................................................... 312
Clear paper jams in Tray 1 (M607, M608, and M609) ................................................... 312
Clear paper jams in Trays 2, 3, 4, or 5 (M631, 632, and 633) ...................................... 317
Clear paper jams in Trays 2, 3, or 4 (M607, M608, and M609) ..................................... 317
Clear paper jams in the 2,550-sheet high-capacity input tray (M631, M632, and
M633) ............................................................................................................................ 325
Clear paper jams in the 2,100-sheet high-capacity input tray (M607, M608, and
M609) ............................................................................................................................ 325
Clear paper jams in the right door and fuser area (M631, M632, and M633) .............. 331
Clear paper jams in the rear door and fuser area (M607, M608, and M609) ............... 334
Clear paper jams in the output bin (M631, M632, and M633) ...................................... 337
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Clear paper jams in the output bin (M607, M608, and M609) ...................................... 337
Clear paper jams in the duplexer (M631, M632, and M631) ........................................ 339
Clear paper jams in the duplexer (M607, M608, and M609) ........................................ 341
Clear paper jams in the envelope feeder (M631, M632, and M633) ............................ 343
Clear paper jams in the envelope feeder (M607, M608, and M609) ............................ 343
Clear paper jams in the HP Stapling Mailbox (M631, M632, and M633) ...................... 347
Clear paper jams in the HP Stapling Mailbox accessory (M607, M608, and M609) ..... 347
Clear staple jams (M631, M632, and M633) ................................................................. 350
Clear staple jams (M607, M608, and M609) ................................................................. 350
Change jam recovery .................................................................................................... 356
Solve performance problems ............................................................................................................................ 357
Factors aecting print performance ............................................................................................... 357
Print speeds ..................................................................................................................................... 358
The printer does not print or it prints slowly .................................................................................. 359
The printer prints slowly ................................................................................................................. 359
Solve connectivity problems ............................................................................................................................. 361
Solve wired network problems ....................................................................................................... 361
Introduction .................................................................................................................. 361
Poor physical connection .............................................................................................. 361
The computer is unable to communicate with the printer ........................................... 361
The printer is using incorrect link and duplex settings for the network ..................... 362
New software programs might be causing compatibility problems ........................... 362
The computer or workstation might be set up incorrectly .......................................... 362
The printer is disabled, or other network settings are incorrect ................................. 362
Solve wireless network problems ................................................................................................... 362
Introduction .................................................................................................................. 363
Wireless connectivity checklist ..................................................................................... 363
The printer does not print after the wireless conguration completes ...................... 364
The printer does not print, and the computer has a third-party rewall installed ..... 364
The wireless connection does not work after moving the wireless router or printer . 364
Cannot connect more computers to the wireless printer ............................................ 364
The wireless printer loses communication when connected to a VPN ........................ 365
The network does not appear in the wireless networks list ........................................ 365
The wireless network is not functioning ...................................................................... 365
Reduce interference on a wireless network ................................................................. 365
Service mode functions ..................................................................................................................................... 366
Service menu ................................................................................................................................... 366
Printer resets ................................................................................................................................... 371
Restore factory-set defaults ........................................................................................ 371
Printer cold reset .......................................................................................................... 371
Format Disk and Partial Clean functions ........................................................................................ 373
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Active and repository rmware locations .................................................................... 373
Partial Clean .................................................................................................................. 373
Execute a Partial Clean ............................................................................... 374
Format Disk ................................................................................................................... 374
Execute a Format Disk ................................................................................ 375
Firmware upgrades ............................................................................................................................................ 377
Determine the installed revision of rmware ................................................................................. 378
Perform a rmware upgrade .......................................................................................................... 380
HP Embedded Web Server ............................................................................................ 380
USB ash drive (control-panel menu) .......................................................................... 381
USB ash drive (Pre-boot menu) .................................................................................. 383
Solve fax problems (M631, M632, M633) ......................................................................................................... 385
Solve email problems (M631, M632, M633) ..................................................................................................... 385
Appendix A Printer specications .................................................................................................................. 387
Printer dimensions ............................................................................................................................................ 388
Printer dimensions (M607, M608, M609) ....................................................................................... 388
Printer dimensions (M631, M632, M633) ....................................................................................... 391
Printer space requirements ............................................................................................................................... 394
Power consumption, electrical specications, and acoustic emissions ........................................................... 394
Operating environment range ........................................................................................................................... 394
Certicate of Volatility ....................................................................................................................................... 395
Index ........................................................................................................................................................... 399
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List of tables
Table 1-1 Sequence of operation .......................................................................................................................................... 4
Table 1-2 Motors ................................................................................................................................................................... 7
Table 1-3 Fans ....................................................................................................................................................................... 8
Table 1-4 Solenoids ............................................................................................................................................................... 8
Table 1-5 Clutches ................................................................................................................................................................. 8
Table 1-6 Switches ................................................................................................................................................................ 8
Table 1-7 Photointerrupter sensors ................................................................................................................................... 10
Table 1-8 Sensors ............................................................................................................................................................... 10
Table 1-9 LEDs .................................................................................................................................................................... 10
Table 1-10 Converted DC voltages ..................................................................................................................................... 12
Table 1-11 Low-voltage power supply functions ............................................................................................................... 13
Table 1-12 High-voltage power supply circuits ................................................................................................................. 14
Table 1-13 Fuser components ............................................................................................................................................ 15
Table 1-14 Fuser-control functions .................................................................................................................................... 18
Table 1-15 Motors ............................................................................................................................................................... 22
Table 1-16 Sensors ............................................................................................................................................................. 23
Table 1-17 Image formation process ................................................................................................................................. 24
Table 1-18 Toner cartridge functions ................................................................................................................................. 29
Table 1-19 Pickup, feed, and delivery functions ................................................................................................................ 32
Table 1-20 Photo sensors and switches ............................................................................................................................. 33
Table 1-21 Motors, solenoids, and clutches ....................................................................................................................... 34
Table 1-22 Paper path sensors ........................................................................................................................................... 37
Table 1-23 Jams that the printer detects ........................................................................................................................... 37
Table 1-24 Pickup and feed components for the 550-sheet PF ........................................................................................ 40
Table 1-25 Pickup and feed functions for the 550-sheet PF ............................................................................................. 40
Table 1-26 Pickup and feed components for the 2,100-sheet HCI .................................................................................... 44
Table 1-27 Paper pickup and feed functions for the 2,100-sheet HCI .............................................................................. 45
Table 1-28 Pickup and feed components for 1x550 paper deck and 3x550 paper deck .................................................. 50
Table 1-29 Pickup and feed components for the 2,550-sheet paper deck ....................................................................... 52
Table 1-30 Pickup and feed functions for the 1x550, 3x550, and 2,550 paper decks ..................................................... 53
Table 1-31 Motors for the 2-bin SSMBM ............................................................................................................................ 56
Table 1-32 Fan for the 2-bin SSMBM .................................................................................................................................. 56
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Table 1-33 Delivery functions for the SSMBM .................................................................................................................... 56
Table 1-34 Motors and solenoids for the 2-bin SSMBM ..................................................................................................... 57
Table 1-35 Sensors and switches for the 2-bin SSMBM ..................................................................................................... 58
Table 1-36 Motors for the 5-bin SSMBM ............................................................................................................................ 63
Table 1-37 Fan for SSMBM .................................................................................................................................................. 63
Table 1-38 Delivery functions for the SSMBM .................................................................................................................... 63
Table 1-39 Motors and solenoids for the 5-bin SSMBM ..................................................................................................... 64
Table 1-40 Sensors and switches for the 5-bin SSMBM ..................................................................................................... 66
Table 1-41 Document feeder sensors ................................................................................................................................ 71
Table 1-42 Document feeder paper path ........................................................................................................................... 71
Table 2-1 Pre-boot menu options (1 of 7) .......................................................................................................................... 90
Table 2-2 Pre-boot menu options (2 of 7) .......................................................................................................................... 91
Table 2-3 Pre-boot menu options (3 of 7) .......................................................................................................................... 92
Table 2-4 Pre-boot menu options (4 of 7) .......................................................................................................................... 93
Table 2-5 Pre-boot menu options (5 of 7) .......................................................................................................................... 93
Table 2-6 Pre-boot menu options (6 of 7) .......................................................................................................................... 94
Table 2-7 Pre-boot menu options (7 of 7) .......................................................................................................................... 95
Table 2-8 Troubleshooting owchart ............................................................................................................................... 107
Table 2-9 Heartbeat LED, printer operational .................................................................................................................. 142
Table 2-10 Printer base, sensors (image formation) block diagram ............................................................................... 160
Table 2-11 Printer base, sensors (pickup, feed, and delivery) block diagram ................................................................ 161
Table 2-12 Printer base, motors, solenoids, and clutches block diagram ...................................................................... 162
Table 2-13 1x550-sheet paper feeder, electrical components block diagram ............................................................... 163
Table 2-14 1x550-sheet and 3x550-sheet paper decks, electrical components block diagram ................................... 164
Table 2-15 2,550-sheet paper deck, electrical components block diagram ................................................................... 166
Table 2-16 Stapler stacker multi bin mailbox (5 bin; SSBM), motors and solenoids block diagram ............................... 167
Table 2-17 Stapler stacker multi bin mailbox (5 bin; SSBM), sensors and switches block diagram ............................... 168
Table 2-18 Stapler stacker multi bin mailbox (2 bin; SSBM), motors and solenoids block diagram ............................... 169
Table 2-19 Stapler stacker multi bin mailbox (2 bin; SSBM), sensors and switches block diagram ............................... 170
Table 2-20 External plug and port locations (M607, M608, and M609) .......................................................................... 171
Table 2-21 External plug and port locations (M631, M632, and M633) .......................................................................... 172
Table 2-22 Printer base (M607, M608, and M609), main assemblies (1 of 2) ................................................................. 173
Table 2-23 Printer base (M607, M608, and M609), main assemblies (2 of 2) ................................................................. 174
Table 2-24 Printer base (M631, M632, and M633), main assemblies (1 of 2) ................................................................. 175
Table 2-25 Printer base (M631, M632, and M633), main assemblies (2 of 2) ................................................................. 176
Table 2-26 Printer base, printed circuit assemblies (PCAs) ............................................................................................. 176
Table 2-27 Printer base (M607, M608, and M609), roller assemblies ............................................................................. 177
Table 2-28 rinter base (M631, M632, and M633), roller assemblies ............................................................................... 178
Table 2-29 1x550-sheet paper feeder, main assemblies ................................................................................................ 179
Table 2-30 1x550-sheet paper feeder (M631/M632/M633 envelope feeder), main assemblies .................................. 180
Table 2-31 1x550-sheet paper feeder, printed circuit assemblies (PCAs) ...................................................................... 181
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Table 2-32 1x550-sheet paper deck, main assemblies (1 of 2) ...................................................................................... 182
Table 2-33 1x550-sheet paper deck, main assemblies (2 of 2) ...................................................................................... 183
Table 2-34 1x550-sheet paper deck, printed circuit assemblies (PCAs) ......................................................................... 184
Table 2-35 3x550-sheet paper deck, main assemblies (1 of 2) ...................................................................................... 185
Table 2-36 3x550-sheet paper deck, main assemblies (2 of 2) ...................................................................................... 186
Table 2-37 3x550-sheet paper deck, printed circuit assemblies (PCAs) ......................................................................... 187
Table 2-38 2,100-sheet paper deck (M607/M608/M609), main assemblies .................................................................. 188
Table 2-39 2,100-sheet paper deck (M607/M608/M609), printed circuit assemblies (PCAs) ........................................ 189
Table 2-40 2,550-sheet paper deck (M631/M632/M633), main assemblies (1 of 2) ..................................................... 190
Table 2-41 2,550-sheet paper deck (M631/M632/M633), main assemblies (2 of 2) ..................................................... 191
Table 2-42 2,550-sheet paper deck (M631/M632/M633), printed circuit assemblies (PCAs) ........................................ 192
Table 2-43 Conguration page ......................................................................................................................................... 203
Table 2-44 Wireless page (1 of 2) ..................................................................................................................................... 204
Table 2-45 Wireless page (2 of 2) ..................................................................................................................................... 205
Table 2-46 HP embedded Jetdirect page ......................................................................................................................... 206
Table 2-47 Fax accessory page (1 of 2) ............................................................................................................................ 207
Table 2-48 Fax accessory page (2 of 2) ............................................................................................................................ 208
Table 2-49 Important information on the conguration pages ...................................................................................... 208
Table 2-50 Copy menu (MFP models only) ....................................................................................................................... 213
Table 2-51 Scan menu (MFP models only) ....................................................................................................................... 216
Table 2-52 Print menu ...................................................................................................................................................... 217
Table 2-53 HP JetAdvantage menu (MFP models only) ................................................................................................... 218
Table 2-54 Contacts menu (fax models only) .................................................................................................................. 220
Table 2-55 Supplies menu (fax models only) ................................................................................................................... 221
Table 2-56 Trays menu ..................................................................................................................................................... 223
Table 2-57 Reports menu (fax models only) .................................................................................................................... 226
Table 2-58 Settings menu (fax models only) ................................................................................................................... 228
Table 2-59 Support Tools menu ....................................................................................................................................... 233
Table 2-60 Image defects table quick reference .............................................................................................................. 252
Table 2-61 Light print ....................................................................................................................................................... 254
Table 2-62 Gray background or dark print ....................................................................................................................... 254
Table 2-63 Blank page — No print ................................................................................................................................... 255
Table 2-64 Black page ...................................................................................................................................................... 255
Table 2-65 Banding defects .............................................................................................................................................. 256
Table 2-66 Streak defects ................................................................................................................................................. 256
Table 2-67 Fixing/fuser defects ....................................................................................................................................... 257
Table 2-68 Image placement defects ............................................................................................................................... 257
Table 2-69 Color plane registrations defects (color models only) ................................................................................... 258
Table 2-70 Output defects ................................................................................................................................................ 258
Table 2-71 Repetitive defects .......................................................................................................................................... 259
Table 2-72 Printer feeds incorrect page size ................................................................................................................... 294
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Table 2-73 Printer pulls from incorrect tray .................................................................................................................... 294
Table 2-74 Printer will not duplex (print 2-sided jobs) or duplexes incorrectly .............................................................. 294
Table 2-75 Paper does not feed from Tray 2-X ................................................................................................................ 295
Table 2-76 Output is curled or wrinkled ........................................................................................................................... 295
Table 2-77 Paper does not feed automatically ................................................................................................................ 297
Table 2-78 Printer base, sensors (pickup, feed, and delivery) block diagram ................................................................ 300
Table 2-79 1x550-sheet paper feeder, electrical components block diagram ............................................................... 301
Table 2-80 1x550-sheet and 3x550-sheet paper decks, electrical components block diagram ................................... 302
Table 2-81 2,550-sheet paper deck, electrical components block diagram ................................................................... 304
Table 2-82 Stapler stacker multi bin mailbox (5 bin; SSBM), sensors and switches block diagram ............................... 305
Table 2-83 Stapler stacker multi bin mailbox (2 bin; SSBM), sensors and switches block diagram ............................... 306
Table 2-84 Solve performance problems ......................................................................................................................... 357
Table 2-85 Service menu .................................................................................................................................................. 367
Table A-1 Dimensions for M607n, M607dn, M608n, M608dn, M609dn models ............................................................. 388
Table A-2 Dimensions for M6608x, M609x ...................................................................................................................... 388
Table A-3 Dimensions for the 1x550-sheet paper feeder ............................................................................................... 388
Table A-4 Dimensions for the printer with a 1x550-sheet paper feeder ........................................................................ 388
Table A-5 Dimensions for the 2,100-sheet HCI with stand .............................................................................................. 389
Table A-6 Dimensions for the printer with a 2,100-sheet HCI with stand ....................................................................... 389
Table A-7 Dimensions for the envelope feeder ................................................................................................................ 389
Table A-8 Dimensions for the printer with an envelope feeder ....................................................................................... 389
Table A-9 Dimensions for the HP Stapling Mailbox .......................................................................................................... 389
Table A-10 Dimensions for the printer with an HP Stapling Mailbox .............................................................................. 390
Table A-11 Dimensions for base models (M631dn, M631h Flow, M632h, M633fh) ....................................................... 391
Table A-12 Dimensions for M631z ................................................................................................................................... 391
Table A-13 Dimensions for M632fht ................................................................................................................................ 391
Table A-14 Dimensions for M632z Flow, M633z Flow ..................................................................................................... 391
Table A-15 Dimensions for the 1x550-sheet paper feeder ............................................................................................. 391
Table A-16 Dimensions for the printer with a 1x550-sheet paper feeder ...................................................................... 392
Table A-17 Dimensions for the 1x550-sheet feeder with printer stand ......................................................................... 392
Table A-18 Dimensions for the printer with a 1x550-sheet feeder with printer stand .................................................. 392
Table A-19 Dimensions for the 1x550-sheet feeder and 2,100-sheet HCI with stand ................................................... 392
Table A-20 Dimensions for the printer with a 1x550-sheet feeder and 2,100-sheet HCI with stand ............................ 393
Table A-21 Dimensions for the envelope feeder cassette ............................................................................................... 393
Table A-22 Dimensions for the printer with an envelope feeder ..................................................................................... 393
Table A-23 Dimensions for the printer with an HP Stapling Mailbox .............................................................................. 393
Table A-24 Operating environment range ........................................................................................................................ 394
xviii ENWW
List of gures
Figure 1-1 Relationship among the main printer systems .................................................................................................. 3
Figure 1-2 Engine-control system ........................................................................................................................................ 5
Figure 1-3 DC controller ........................................................................................................................................................ 6
Figure 1-4 Low-voltage power supply circuits ................................................................................................................... 11
Figure 1-5 High-voltage power supply circuits .................................................................................................................. 14
Figure 1-6 Fuser components ............................................................................................................................................ 15
Figure 1-7 Fuser control ..................................................................................................................................................... 17
Figure 1-8 Laser scanner .................................................................................................................................................... 19
Figure 1-9 Image formation system ................................................................................................................................... 21
Figure 1-10 Motors ............................................................................................................................................................. 22
Figure 1-11 Sensors ............................................................................................................................................................ 23
Figure 1-12 Image formation process ................................................................................................................................ 24
Figure 1-13 Pre-exposure .................................................................................................................................................. 25
Figure 1-14 Primary charging ............................................................................................................................................. 25
Figure 1-15 Laser-beam exposure ..................................................................................................................................... 26
Figure 1-16 Developing ...................................................................................................................................................... 26
Figure 1-17 Transfer ........................................................................................................................................................... 27
Figure 1-18 Separation ....................................................................................................................................................... 27
Figure 1-19 Fusing .............................................................................................................................................................. 28
Figure 1-20 Drum cleaning ................................................................................................................................................. 28
Figure 1-21 Toner cartridge components .......................................................................................................................... 29
Figure 1-22 Pickup, feed, and delivery system .................................................................................................................. 31
Figure 1-23 Photo sensors and switches ........................................................................................................................... 33
Figure 1-24 Motors, solenoids, and clutches for pickup, feed and delivery system ......................................................... 34
Figure 1-25 Paper path and location of sensors ................................................................................................................ 36
Figure 1-26 Controller for the 550-sheet PF ...................................................................................................................... 38
Figure 1-27 Paper path for the 550-sheet PF .................................................................................................................... 39
Figure 1-28 Pickup and feed components for the 550-sheet PF ....................................................................................... 40
Figure 1-29 Controller for the 2,100-sheet HCI ................................................................................................................. 42
Figure 1-30 Paper path for the 2,100-sheet HCI ................................................................................................................ 43
Figure 1-31 Pickup and feed components for the 2,100-sheet HCI .................................................................................. 44
Figure 1-32 Controller for the 1x550, 3x550, and 2,550 paper decks .............................................................................. 46
ENWW xix
Figure 1-33 Paper path for the 1x550 PD .......................................................................................................................... 47
Figure 1-34 Paper path for the 3x550 PD .......................................................................................................................... 48
Figure 1-35 Paper path for the 2,550 PD ........................................................................................................................... 49
Figure 1-36 Pickup and feed components for 1x550 paper deck and 3x550 paper deck ................................................ 50
Figure 1-37 Pickup and feed components for the 2,550-sheet paper deck ..................................................................... 52
Figure 1-38 SSMBM controller ............................................................................................................................................ 54
Figure 1-39 Paper path for the 2-bin SSMBM .................................................................................................................... 55
Figure 1-40 Motors and solenoids for the 2-bin SSMBM ................................................................................................... 57
Figure 1-41 Sensors and switches for the 2-bin SSMBM ................................................................................................... 58
Figure 1-42 Paper path and location of sensors for the 2-bin SSMBM ............................................................................. 60
Figure 1-43 SSMBM controller ............................................................................................................................................ 61
Figure 1-44 Paper path for the 5-bin SSMBM .................................................................................................................... 62
Figure 1-45 Motors and solenoids for the 5-bin SSMBM ................................................................................................... 64
Figure 1-46 Sensors and switches for the 5-bin SSMBM ................................................................................................... 65
Figure 1-47 Paper path and location of sensors for the 5-bin SSMBM ............................................................................. 68
Figure 1-48 Document feeder sensors ............................................................................................................................... 71
Figure 1-49 Document feeder paper path .......................................................................................................................... 71
Figure 1-50 Deskew operation ........................................................................................................................................... 74
Figure 1-51 Document feeder open (book mode) .............................................................................................................. 75
Figure 1-52 Document feeder open (60º to 80º) ............................................................................................................... 75
Figure 2-1 Open the Pre-boot menu .................................................................................................................................. 87
Figure 2-2 Pre-boot menu .................................................................................................................................................. 88
Figure 2-3 Open the Pre-boot menu .................................................................................................................................. 89
Figure 2-4 Open the Control Panel ..................................................................................................................................... 98
Figure 2-5 Turn Windows features on or o ...................................................................................................................... 98
Figure 2-6 Enable the telnet client feature ........................................................................................................................ 99
Figure 2-7 Select the +3:Administrator item ................................................................................................................... 100
Figure 2-8 Select the +A:Remote Admin item .................................................................................................................. 100
Figure 2-9 Select the 1:Start Telnet item ......................................................................................................................... 100
Figure 2-10 Telnet connecting message .......................................................................................................................... 100
Figure 2-11 Telnet error message .................................................................................................................................... 101
Figure 2-12 Telnet server function initialized .................................................................................................................. 101
Figure 2-13 Open a command window ............................................................................................................................ 102
Figure 2-14 Start a telnet session .................................................................................................................................... 102
Figure 2-15 Establish a telnet connection ....................................................................................................................... 102
Figure 2-16 Enter the PIN ................................................................................................................................................. 103
Figure 2-17 Remote Admin window ................................................................................................................................. 103
Figure 2-18 Access the administrator menu .................................................................................................................... 104
Figure 2-19 Access the remote admin menu ................................................................................................................... 104
Figure 2-20 Terminate the telnet connection .................................................................................................................. 105
Figure 2-21 Diagnostic-tests access button (small touchscreen) ................................................................................... 114
xx ENWW
Figure 2-22 Press the diagnostics-access button (small touchscreen) .......................................................................... 115
Figure 2-23 Diagnostic-tests access button (large touchscreen) .................................................................................... 115
Figure 2-24 Press the diagnostics-access button (large touchscreen) ........................................................................... 116
Figure 2-25 Control-panel version A yellow screen ......................................................................................................... 116
Figure 2-26 Open the Pre-boot menu .............................................................................................................................. 119
Figure 2-27 Pre-boot menu .............................................................................................................................................. 120
Figure 2-28 Access the administration menu .................................................................................................................. 121
Figure 2-29 Access the diagnostics menu ........................................................................................................................ 121
Figure 2-30 Open the screen test ..................................................................................................................................... 122
Figure 2-31 Blue vertical gradient screen ........................................................................................................................ 122
Figure 2-32 Open the touch test ...................................................................................................................................... 126
Figure 2-33 Touch the white grid ..................................................................................................................................... 126
Figure 2-34 Verify the mark ............................................................................................................................................. 127
Figure 2-35 Open the softkey test ................................................................................................................................... 128
Figure 2-36 Touch the Home button ................................................................................................................................ 128
Figure 2-37 Successful test .............................................................................................................................................. 129
Figure 2-38 Open the backlight test ................................................................................................................................. 130
Figure 2-39 Open the sound test ...................................................................................................................................... 131
Figure 2-40 Do not open the keyboard test ..................................................................................................................... 132
Figure 2-41 Open the sound test ...................................................................................................................................... 133
Figure 2-42 Touchscreen blank, white, or dim (no image) .............................................................................................. 135
Figure 2-43 Touchscreen has an unresponsive zone ....................................................................................................... 136
Figure 2-44 No control panel sound ................................................................................................................................. 137
Figure 2-45 Home button is unresponsive ....................................................................................................................... 138
Figure 2-46 Hardware integration pocket (HIP) is not functioning (control panel functional) ....................................... 139
Figure 2-47 Engine test button (1 of 2) ............................................................................................................................ 144
Figure 2-48 Engine test button (2 of 2) ............................................................................................................................ 145
Figure 2-49 Defeat the toner cartridge door interlocks .................................................................................................. 146
Figure 2-50 Defeat the right or rear door interlock ......................................................................................................... 146
Figure 2-51 Printer base, image formation system block diagram ................................................................................. 159
Figure 2-52 Printer base, sensors (image formation) block diagram ............................................................................. 160
Figure 2-53 Printer base, sensors (pickup, feed, and delivery) block diagram ............................................................... 161
Figure 2-54 Printer base, motors, solenoids, and clutches block diagram ..................................................................... 162
Figure 2-55 1x550-sheet paper feeder, electrical components block diagram ............................................................. 163
Figure 2-56 1x550-sheet and 3x550-sheet paper decks, electrical components block diagram ................................. 164
Figure 2-57 2,550-sheet paper deck, electrical components block diagram ................................................................. 166
Figure 2-58 Stapler stacker multi bin mailbox (5 bin; SSBM), motors and solenoids block diagram ............................. 167
Figure 2-59 Stapler stacker multi bin mailbox (5 bin; SSBM), sensors and switches block diagram .............................. 168
Figure 2-60 Stapler stacker multi bin mailbox (2 bin; SSBM), motors and solenoids block diagram ............................. 169
Figure 2-61 Stapler stacker multi bin mailbox (2 bin; SSBM), sensors and switches block diagram .............................. 170
Figure 2-62 External plug and port locations (M607, M608, and M609) ........................................................................ 171
ENWW xxi
Figure 2-63 External plug and port locations (M631, M632, and M633) ........................................................................ 172
Figure 2-64 Printer base (M607, M608, and M609), main assemblies (1 of 2) ............................................................... 173
Figure 2-65 Printer base (M607, M608, and M609), main assemblies (2 of 2) ............................................................... 174
Figure 2-66 Printer base (M631, M632, and M633), main assemblies (1 of 2) ............................................................... 175
Figure 2-67 Printer base (M631, M632, and M633), main assemblies (2 of 2) ............................................................... 176
Figure 2-68 Printer base, printed circuit assemblies (PCAs) ............................................................................................ 176
Figure 2-69 Printer base (M607, M608, and M609), roller assemblies ........................................................................... 177
Figure 2-70 Printer base (M631, M632, and M633), roller assemblies ........................................................................... 178
Figure 2-71 1x550-sheet paper feeder, main assemblies .............................................................................................. 179
Figure 2-72 1x550-sheet paper feeder (M631/M632/M633 envelope feeder), main assemblies ................................. 180
Figure 2-73 1x550-sheet paper feeder, printed circuit assemblies (PCAs) .................................................................... 181
Figure 2-74 1x550-sheet paper deck, main assemblies (1 of 2) ..................................................................................... 182
Figure 2-75 1x550-sheet paper deck, main assemblies (2 of 2) ..................................................................................... 183
Figure 2-76 1x550-sheet paper deck, printed circuit assemblies (PCAs) ....................................................................... 184
Figure 2-77 3x550-sheet paper deck, main assemblies (1 of 2) ..................................................................................... 185
Figure 2-78 3x550-sheet paper deck, main assemblies (2 of 2) ..................................................................................... 186
Figure 2-79 3x550-sheet paper deck, printed circuit assemblies (PCAs) ....................................................................... 187
Figure 2-80 2,100-sheet paper deck (M607/M608/M609), main assemblies ................................................................ 188
Figure 2-81 2,100-sheet paper deck (M607/M608/M609), printed circuit assemblies (PCAs) ...................................... 189
Figure 2-82 2,550-sheet paper deck (M631/M632/M633), main assemblies (1 of 2) .................................................... 190
Figure 2-83 2,550-sheet paper deck (M631/M632/M633), main assemblies (2 of 2) .................................................... 191
Figure 2-84 2,550-sheet paper deck (M631/M632/M633), printed circuit assemblies (PCAs) ...................................... 192
Figure 2-85 General timing chart ..................................................................................................................................... 193
Figure 2-86 General circuit diagram for the printer base (M607, M608, and M609) ...................................................... 194
Figure 2-87 General circuit diagram for the printer base (M631, M623, and M633) ...................................................... 195
Figure 2-88 General circuit diagram for the 550-sheet paper feeder ............................................................................. 196
Figure 2-89 General circuit diagram for the 1x550-sheet and 3x-550-sheet paper deck ............................................. 197
Figure 2-90 General circuit diagram for the 2,100-sheet paper deck ............................................................................. 198
Figure 2-91 General circuit diagram for the 2,550-sheet paper deck ............................................................................. 199
Figure 2-92 General circuit diagram for the 5 bin stapler stacker multi-bin mail box .................................................... 200
Figure 2-93 General circuit diagram for the 2 bin stapler stacker multi-bin mail box .................................................... 201
Figure 2-94 Conguration report ..................................................................................................................................... 203
Figure 2-95 Wireless page (1 of 2) ................................................................................................................................... 204
Figure 2-96 Wireless page (2 of 2) ................................................................................................................................... 205
Figure 2-97 HP embedded Jetdirect page ........................................................................................................................ 206
Figure 2-98 Fax accessory page (1 of 2) .......................................................................................................................... 207
Figure 2-99 Fax accessory page (2 of 2) .......................................................................................................................... 208
Figure 2-100 Fuser test page ........................................................................................................................................... 211
Figure 2-101 Examples of repetitive defects ................................................................................................................... 260
Figure 2-102 Place the ruler on the page ......................................................................................................................... 261
Figure 2-103 Locate the next repetitive defect ............................................................................................................... 261
xxii ENWW
Figure 2-104 Determine the defective assembly ............................................................................................................ 262
Figure 2-105 44 mm (44.1 mm) wide pitch banding ....................................................................................................... 264
Figure 2-106 18 mm leading edge blur ............................................................................................................................ 265
Figure 2-107 46 mm leading edge blur ............................................................................................................................ 266
Figure 2-108 25 mm leading edge blur ............................................................................................................................ 267
Figure 2-109 50 mm trailing edge blur ............................................................................................................................ 268
Figure 2-110 75 mm trailing edge blur ............................................................................................................................ 269
Figure 2-111 104 mm trailing edge blur .......................................................................................................................... 270
Figure 2-112 111 mm trailing edge blur .......................................................................................................................... 271
Figure 2-113 120 mm trailing edge blue duplex side ...................................................................................................... 272
Figure 2-114 Hot oset .................................................................................................................................................... 273
Figure 2-115 Mottle/grainines ......................................................................................................................................... 275
Figure 2-116 Mottle/grainines ......................................................................................................................................... 277
Figure 2-117 Remove the cover ....................................................................................................................................... 284
Figure 2-118 Remove the roller ....................................................................................................................................... 285
Figure 2-119 Move the lift plate out of the way .............................................................................................................. 285
Figure 2-120 Release the cover ........................................................................................................................................ 286
Figure 2-121 Remove the roller ....................................................................................................................................... 286
Figure 2-122 Open the tray (M607/M608/M609) ............................................................................................................ 287
Figure 2-123 Open the tray (M631/M632/M633) ............................................................................................................ 287
Figure 2-124 Lower the access cover (Tray 2 rollers) ...................................................................................................... 288
Figure 2-125 Lower the access cover (Tray 3 rollers) ...................................................................................................... 288
Figure 2-126 Lower the access cover (M631z/M632fht/Flow M632z/FlowM633z) ....................................................... 289
Figure 2-127 Locate the separation roller ....................................................................................................................... 289
Figure 2-128 Install the separation roller tool ................................................................................................................ 290
Figure 2-129 Slide the roller to the left ........................................................................................................................... 290
Figure 2-130 Remove the roller ....................................................................................................................................... 291
Figure 2-131 Locate the pickup and feed roller ............................................................................................................... 291
Figure 2-132 Unlock the pickup and feed rollers ............................................................................................................. 292
Figure 2-133 Slide the rollers to the left .......................................................................................................................... 292
Figure 2-134 Remove the rollers ..................................................................................................................................... 293
Figure 2-135 Printer base, sensors (pickup, feed, and delivery) block diagram ............................................................. 300
Figure 2-136 1x550-sheet paper feeder, electrical components block diagram ........................................................... 301
Figure 2-137 1x550-sheet and 3x550-sheet paper decks, electrical components block diagram ............................... 302
Figure 2-138 2,550-sheet paper deck, electrical components block diagram ............................................................... 304
Figure 2-139 Stapler stacker multi bin mailbox (5 bin; SSBM), sensors and switches block diagram ........................... 305
Figure 2-140 Stapler stacker multi bin mailbox (2 bin; SSBM), sensors and switches block diagram ........................... 306
Figure 2-141 Open the Pre-boot menu ............................................................................................................................ 372
Figure 2-142 Open the Pre-boot menu ............................................................................................................................ 374
Figure 2-143 Open the Pre-boot menu ............................................................................................................................ 375
Figure 2-144 Conguration report ................................................................................................................................... 379
ENWW xxiii
Figure 2-145 Open the Pre-boot menu ............................................................................................................................ 383
Figure A-1 Certicate of Volatility (1 of 2; M607, M608, M609) ...................................................................................... 395
Figure A-2 Certicate of Volatility (2 of 2; M607, M608, M609) ...................................................................................... 396
Figure A-3 Certicate of Volatility (1 of 2; M631, M632, M633) ...................................................................................... 397
Figure A-4 Certicate of Volatility (2 of 2; M631, M632, M633) ...................................................................................... 398
xxiv ENWW
1 Theory of operation
●
Related documentation and software
●
Basic operation
●
Engine-control system
●
Laser scanner system
●
Image formation system
●
Toner cartridge
●
Pickup, feed, and delivery system
●
Input accessories
●
Output accessories
●
Scanning and image capture system (M631, M632, M633)
●
Document feeder system (M631, M632, M633)
ENWW 1
Related documentation and software
HP service personnel, go to the Service Access Work Bench (SAW) at http://h41302.www4.hp.com/km/saw/
home.do.
Channel partners, go to HP Channel Services Network (CSN) at https://h30125.www3.hp.com/hpcsn.
2 Chapter 1 Theory of operation ENWW
Basic operation
Engine-control system
Laser scanner system
Image-formation system
Pickup, feed and delivery system
Accessory
The printer routes all high-level processes through the formatter, which stores font information, processes
the print image, and communicates with the host computer.
The basic printer operation comprises the following systems:
●
The engine-control system, which includes the high-voltage and low-voltage power supplies (HVPS and
LVPS), fuser control circuits, and the DC controller printed circuit assembly (PCA)
●
The laser/scanner system, which forms the latent image on the photosensitive drum
●
The image-formation system, which transfers a toner image onto the paper
●
The pickup, feed and delivery system, which uses a system of rollers and belts to transport the paper
through the printer
●
Optional accessories (paper feeder, paper decks, staple stacker multi-bin mailbox)
Figure 1-1 Relationship among the main printer systems
ENWW Basic operation 3
Sequence of operation
The DC controller PCA controls the operating sequence, as described in the following table:
Table 1-1 Sequence of operation
Period Duration Description
Waiting From the time the power is turned on, the door is
closed, or when the printer exits Sleep mode until the
printer is ready for printing.
Standby From the end of the waiting sequence, the last
rotation until the formatter receives a print command,
or until the printer is turned o.
Initial rotation From the time the formatter receives a print command
until the paper enters the paper path.
Printing From the time the rst sheet of paper enters the paper
path until the last sheet has passed through the fuser.
●
Heats the fuser lm in the fuser
●
Detects the toner cartridge
●
Rotates and stops each motor
●
Rotates and stops each fan
●
Cleans the transfer roller
●
Is in the Ready state
●
Enters Sleep mode if the formatter sends the
sleep command
●
Rotates and stops each fan
●
Rotates each motor
●
Rotates each fan
●
Activates the high-voltage power supply (highvoltage bias)
●
Prepares the laser/scanner unit
●
Warms the fuser to the correct temperature
●
Forms the image on the photosensitive drums
●
Transfers the toner to the paper
Last rotation From the time the last sheet of paper exits the fuser
until the motors stop rotating.
●
Fuses the toner image onto the paper
●
Stops each motor
●
Stops each fan
●
Stops the high-voltage power supply (highvoltage bias)
●
Stops the laser/scanner unit
●
Turns the fuser heater o
●
If another print command is received, the printer
enters the initial rotation period when the last
rotation is complete.
4 Chapter 1 Theory of operation ENWW
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