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惠普HP Laserjet M712/700故障排除手册英文版

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惠普HP Laserjet M712/700故障排除手册英文版

1 Theory of operation .......................................................................................................... 1
Basic operation ........................................................................................................................ 2
Function structure ...................................................................................................... 2
Operation sequence .................................................................................................. 2
Engine control system ............................................................................................................... 4
DC controller PCA ..................................................................................................... 5
Motor control ............................................................................................. 6
Motor locations ........................................................................... 7
Failure detection ......................................................................... 7
Fan control ................................................................................................ 8
Fan locations .............................................................................. 9
Failure detection ......................................................................... 9
Low-voltage power-supply PCA ................................................................................. 10
Over-current/over-voltage/overload protection ............................................ 11
Safety interruption .................................................................................... 11
Power supply voltage detection .................................................................. 11
Sleep mode ............................................................................................. 12
Power supply illumination control ............................................................... 12
High-voltage power-supply PCA ................................................................................ 13
Fuser control ........................................................................................................... 15
Fuser temperature control .......................................................................... 17
Fuser heater protective function .................................................................. 17
Fuser failure detection ............................................................................... 18
Pressure roller cleaning ............................................................................. 19
Laser scanner system .............................................................................................................. 20
Laser scanner failure detection .................................................................................. 21
Laser scanner safety function .................................................................................... 21
Image-formation system ........................................................................................................... 22
Image-formation process .......................................................................................... 23
Latent-image formation block ..................................................................... 24
Step 1: primary charging ........................................................... 24
Step 2: laser-beam exposure ....................................................... 25
Development block ................................................................................... 25
Step 3: developing .................................................................... 25
Transfer block .......................................................................................... 26
Step 4: image transfer ............................................................... 26
Step 5: separation from the drum ................................................ 26
Fuser block .............................................................................................. 27
Step 6: fusing ........................................................................... 27
Drum-cleaning block ................................................................................. 27
Step 7: drum cleaning ............................................................... 27
Toner cartridge ....................................................................................................... 27
Other image-formation functions ............................................................................... 29
Drum discharge ....................................................................................... 29
Transfer roller cleaning ............................................................................. 29
Environment change control ....................................................................... 30
Pickup, feed, and delivery system ............................................................................................. 31
Pickup and feed block ............................................................................................. 34
Cassette pickup ........................................................................................ 35
Cassette media-size detection and cassette-presence detection ....................... 35
Cassette lift operation ............................................................................... 36
Lift-up operation ........................................................................ 36
Lift-down operation .................................................................... 36
Cassette media-presence detection ............................................................. 37
Cassette multiple-feed prevention ................................................................ 37
MP tray pickup ........................................................................................ 39
MP tray media-presence detection .............................................................. 39
MP tray multiple-feed prevention ................................................................ 40
Feed-speed control ................................................................................... 40
Skew-feed prevention ................................................................................ 42
Media-length detection ............................................................................. 43
Fuse and delivery block ........................................................................................... 44
Loop control ............................................................................................ 44
Output bin media-full detection .................................................................. 46
Jam detection ......................................................................................................... 47
No pick jam 1 ......................................................................................... 47
Feed stay jam 1 ....................................................................................... 48
Fuser output delay jam 1 ........................................................................... 48
Fuser output stay jam 1 ............................................................................. 48
Output delay jam 1 .................................................................................. 48
Output delay jam 2 .................................................................................. 48
Output stay jam 1 .................................................................................... 48
Residual paper jam 1 ............................................................................... 49
Fuser wrap jam 1 ..................................................................................... 49
Door open jam 1 ..................................................................................... 49
Multiple-feed jam 1 .................................................................................. 49
Automatic delivery .................................................................................................. 49
500-sheet paper feeder (Tray 4) .............................................................................................. 50
500-sheet paper feeder motor control ........................................................................ 51
500-sheet paper feeder failure detection ..................................................... 51
500-sheet paper feeder pickup and feed operation ..................................................... 52
500-sheet paper feeder cassette pickup ...................................................... 53
500-sheet paper feeder cassette media-size detection and cassette-presence
detection ................................................................................................. 53
500-sheet paper feeder lift-up operation ..................................................... 54
500-sheet paper feeder cassette media-presence detection ............................ 55
500-sheet paper feeder cassette multiple-feed prevention .............................. 55
500-sheet paper feeder jam detection ....................................................................... 56
No pick jam 2 ......................................................................................... 56
Residual paper jam 1 ............................................................................... 56
Door open jam 1 ..................................................................................... 57
500-sheet paper feeder automatic delivery ................................................................. 57
1x500 and 3x500 paper feeder and stand .............................................................................. 58
Paper deck motor control ......................................................................................... 61
Paper deck failure detection ...................................................................... 61
Paper deck pickup-and-feed operation ....................................................................... 61
Paper deck cassette media-size detection and cassette-presence detection ....... 63
Paper deck lift-up operation ....................................................................... 64
Paper deck cassette media-presence detection ............................................. 65
Paper deck jam detection ......................................................................................... 65
No pick jam 2 ......................................................................................... 65
No pick jam 3 (3x500-sheet paper deck only) ............................................. 66
Residual paper jam 1 ............................................................................... 66
Door open jam 1 ..................................................................................... 66
Paper deck automatic delivery .................................................................................. 66
3,500-sheet high-capacity input (HCI) feeder ............................................................................. 67
HCI motor control .................................................................................................... 69
HCI failure detection ................................................................................. 69
HCI pickup-and-feed operation ................................................................................. 70
HCI cassette media-size detection and cassette-presence detection ................. 71
HCI lift-up operation ................................................................................. 72
HCI cassette media-presence detection ....................................................... 72
HCI jam detection ................................................................................................... 74
No pick jam 2 ......................................................................................... 74
ENWW vii
No pick jam 3 ......................................................................................... 74
Residual paper jam 1 ............................................................................... 75
Door open jam 1 ..................................................................................... 75
HCI automatic delivery ............................................................................................ 75
Duplexer ............................................................................................................................... 76
Duplexer motor control ............................................................................................ 77
Duplexer motor failure detection ................................................................. 77
Duplexer fan control ................................................................................................ 78
Duplexer fan failure detection .................................................................... 78
Duplexer reverse and feed operation ......................................................................... 78
Duplexer reverse and feed operation sequence ............................................ 79
Side misregistration detection .................................................................... 80
Side misregistration failure detection ............................................ 82
Duplexer jam detection ............................................................................................ 82
Fuser output stay jam 2 ............................................................................. 82
Reverse jam 1 .......................................................................................... 83
Duplex re-pickup jam 1 ............................................................................. 83
Duplex re-pickup jam 2 ............................................................................. 83
Duplex re-pickup jam 3 ............................................................................. 83
Residual paper jam 1 ............................................................................... 83
Duplexer automatic delivery ..................................................................................... 83
2 Solve problems ............................................................................................................... 85
Solve problems checklist ......................................................................................................... 86
Menu map ............................................................................................................................ 88
Preboot menu options ............................................................................................................. 89
Current settings pages ............................................................................................................ 97
Troubleshooting process .......................................................................................................... 98
Determine the problem source ................................................................................... 98
Troubleshooting flowchart ......................................................................... 98
Power subsystem ..................................................................................................... 99
Power-on checks ...................................................................................... 99
Power-on troubleshooting overview .............................................. 99
Tools for troubleshooting ....................................................................................................... 101
Individual component diagnostics ............................................................................ 101
LED diagnostics ...................................................................................... 101
Understand lights on the formatter ............................................. 101
Engine diagnostics ................................................................................. 104
Engine-test button .................................................................... 104
Paper path test ....................................................................................... 106
Paper path sensor tests ........................................................................... 106
Manual sensor tests ................................................................................ 108
Cartridge door switch (SW3) .................................................... 110
Left door switch (SW1) ............................................................. 111
Right door sensor (SR8) ............................................................ 112
Cartridge install sensor (SR1) .................................................... 113
Top (top-of-page) sensor (SR9) .................................................. 114
Fuser loop sensor (SR6) ............................................................ 115
Fuser output sensor (SR12) ....................................................... 116
Duplex switchback sensor (SR1) ................................................ 117
Duplexer refeed sensor (SR2) .................................................... 118
Tray 4 feed sensor (SR1) .......................................................... 119
Output sensor (SR3) ................................................................. 120
Tray/bin manual sensor tests ................................................................... 121
Main product trays .................................................................. 123
Optional 500-sheet paper tray (Tray 4) ...................................... 131
1x500 and 3x500 paper deck trays ......................................... 136
HCI trays ................................................................................ 138
Print/stop test ........................................................................................ 144
Component tests ..................................................................................... 145
Control-panel tests ................................................................... 145
Half self-test ............................................................................ 145
Drum rotation test check ........................................................... 146
Component test (special-mode test) ............................................ 146
Diagrams ............................................................................................................. 148
Block diagrams ...................................................................................... 148
Location of connectors ............................................................................ 153
DC controller connections ......................................................... 153
Plug/jack locations ................................................................................. 155
Locations of major components ................................................................ 156
General timing charts ............................................................................. 171
Circuit diagrams .................................................................................... 172
Internal test pages ................................................................................................. 174
Clean the paper path ............................................................................. 174
Set up an auto cleaning page ................................................... 174
Print a configuration page ....................................................................... 175
Configuration page ................................................................. 175
HP embedded Jetdirect page .................................................... 176
Finding important information on the configuration pages ............ 177
Control panel menus .............................................................................................. 178
Administration menu ............................................................................... 178
Reports menu .......................................................................... 178
ENWW ix
General Settings menu ............................................................. 179
General Print Settings menu ...................................................... 185
Default Print Options menu ....................................................... 188
Display Settings menu .............................................................. 189
Manage Supplies menu ........................................................... 191
Manage Trays menu ................................................................ 192
Network Settings menu ............................................................ 194
Troubleshooting menu .............................................................. 208
Device Maintenance menu ...................................................................... 210
Backup/Restore menu .............................................................. 210
Calibration/Cleaning menu ...................................................... 211
USB Firmware Upgrade menu ................................................... 212
Service menu .......................................................................... 212
Interpret control-panel messages ............................................................................. 213
Control-panel message types ................................................................... 213
Control-panel messages .......................................................................... 213
11.00.YY Internal clock error To continue, touch “OK” ................ 213
20.00.00 Insufficient memory: <Device> To continue, touch “OK” 213
21.00.00 Page too complex To continue, touch “OK” ................. 214
33.WX.YZ Used board/disk installed ........................................ 214
40.00.01 USB I/O buffer overflow To continue, touch “OK” ........ 214
40.00.02 Embedded I/O buffer overflow To continue, touch “OK” 214
40.00.03 EIO <X> buffer overflow To continue, touch “OK” ........ 214
40.00.04 EIO <X> bad transmission To continue, touch “OK” ..... 215
40.00.05 Embedded I/O bad transmission To continue, touch
“OK” ..................................................................................... 215
41.03.YZ Unexpected size in Tray <X> ..................................... 215
41.03.YZ Unexpected size in Tray <X> To use another tray, touch
"Options" ............................................................................... 216
41.05.YZ Unexpected type in Tray <X> ..................................... 216
41.05.YZ Unexpected type in Tray <X> To use another tray,
touch "Options" ...................................................................... 217
41.WX.YZ Error To use another tray, touch "Options" ................. 218
47.FC.YZ Printer calibration failed To continue, touch “OK” ......... 220
47.WX.YZ Printer calibration failed ........................................... 221
49.XX.YY Error To continue turn off then on ................................ 221
50.WX.YZ Fuser error To continue turn off then on ...................... 221
51.00.YY Error To continue turn off then on ................................ 225
52.00.00 Error To continue turn off then on ............................... 225
52.00.20 Error To continue turn off then on ............................... 226
52.<XX>.00 Error To continue turn off then on ............................ 226
x
54.XX.YY Error ....................................................................... 226
55.XX.YY DC controller error To continue turn off then on ............ 227
56.00.YY Error To continue turn off then on ................................ 227
57.00.0X Error ....................................................................... 228
58.00.04 Error To continue turn off then on ............................... 228
59.00.00 Error To continue turn off then on ............................... 228
59.00.20 Error To continue turn off then on ............................... 229
59.00.30 Error To continue turn off then on ............................... 229
59.00.40 Error To continue turn off then on ............................... 229
59.05.50 Error To continue turn off then on ............................... 229
59.05.60 Error To continue turn off then on ............................... 230
60.00.0Y Tray <Y> lifting error ................................................ 230
62.00.00 No system To continue turn off then on ........................ 230
69.11.YY Error To continue, touch “OK” .................................... 231
70.00.00 Error To continue turn off then on ............................... 231
81.WX.YZ Embedded JetDirect Error To continue turn off then on . . 231
81.YY.YY EIO Error To continue turn off then on ......................... 232
98.00.0X Corrupt data in X volume ........................................... 232
<Binname> full Remove all paper from bin ................................. 232
Bad optional tray connection .................................................... 233
Black Cartridge low ................................................................. 233
Black Cartridge very low .......................................................... 233
Black Cartridge very low To continue, touch “OK” ...................... 233
Card slot device failure To clear touch “Clear” ........................... 234
Card slot file operation failed To clear touch “Clear” ................... 234
Card slot file system is full To clear touch “Clear” ........................ 234
Card slot is write protected To clear touch “Clear” ...................... 234
Card slot not initialized To clear touch “Clear” ........................... 234
Cartridge ship mode ................................................................ 235
Chosen personality not available To continue, touch “OK” ........... 235
Cleaning disk <X>% complete Do not power off ......................... 235
Close left door ........................................................................ 235
Close top cover ....................................................................... 236
Data received ......................................................................... 236
Disk full Delete stored jobs ........................................................ 236
Disk low Delete stored jobs ....................................................... 236
EIO <X> disk not functional ...................................................... 237
EIO <X> disk spinning up ......................................................... 237
EIO device failure To clear touch “Clear” ................................... 237
EIO file operation failed To clear touch “Clear” .......................... 237
EIO file system is full To clear touch “Clear” ............................... 237
ENWW xi
EIO is write protected To clear touch “Clear” .............................. 238
EIO not initialized To clear touch “Clear” ................................... 238
Event log is empty ................................................................... 238
Fuser Kit Low .......................................................................... 238
Fuser Kit very low .................................................................... 238
Fuser Kit very low To continue, touch “OK” ................................ 239
Incompatible <supply> ............................................................. 239
Incompatible supplies .............................................................. 239
Initializing... ........................................................................... 240
Install Black Cartridge .............................................................. 240
Install Fuser Unit ...................................................................... 240
Install supplies ........................................................................ 240
Internal disk device failure To clear touch “Clear” ....................... 240
Internal disk file operation failed To clear touch “Clear” ............... 241
Internal disk file system is full To clear touch “Clear” .................... 241
Internal disk is write protected To clear touch “Clear” .................. 241
Internal disk not found ............................................................. 241
Internal disk not functional ........................................................ 241
Internal disk not initialized To clear touch “Clear” ....................... 242
Internal disk spinning up .......................................................... 242
Load Tray 1 [Type] [Size] ......................................................... 242
Load Tray 1 [Type] [Size] To continue, touch “OK” ...................... 242
Load Tray <X>: [Size] .............................................................. 242
Load Tray <X>: [Size] To continue, touch “OK” .......................... 243
Load Tray <X>: [Size] To use another tray, touch "Options" ......... 243
Load Tray <X>: [Type], [Size] ................................................... 243
Load Tray <X>: [Type], [Size] To use another tray, touch
"Options" ............................................................................... 244
Manually feed output stack Then touch "OK" to print second sides 244
Manually feed: [Size] .............................................................. 245
Manually feed: [Size] To continue, touch “OK” ........................... 245
Manually feed: [Size] To use another tray, touch "Options" .......... 245
Manually feed: [Type], [Size] To continue, touch “OK” ................ 246
Manually feed: [Type], [Size] To use another tray, touch
"Options" ............................................................................... 246
No job to cancel ..................................................................... 246
Output Bin full ......................................................................... 246
Paperless mode ....................................................................... 247
Printing Engine Test... .............................................................. 247
Printing stopped To continue, touch “OK” ................................... 247
RAM Disk device failure To clear touch “Clear” .......................... 247
xii ENWW
RAM Disk file operation failed To clear touch “Clear” .................. 247
RAM Disk file system is full To clear touch “Clear” ....................... 248
RAM Disk is write protected To clear touch “Clear” ..................... 248
RAM Disk not initialized To clear touch “Clear” .......................... 248
Remove cartridge lock ............................................................. 248
Remove the toner cartridge ....................................................... 248
Replace Black Cartridge ........................................................... 249
Replace Fuser Kit ..................................................................... 249
Replace supplies ..................................................................... 249
ROM disk device failed To clear touch “Clear” ........................... 250
ROM disk file operation failed To clear touch “Clear” .................. 250
ROM disk file system is full To clear touch “Clear” ....................... 250
ROM disk is write protected To clear touch “Clear” ..................... 250
ROM disk not initialized To clear touch “Clear” .......................... 250
Size mismatch in Tray <X> ....................................................... 251
Standard bin full Remove all paper from bin ............................... 251
Supplies low ........................................................................... 251
Supplies very low To continue, touch “OK” ................................. 251
Supply memory warning .......................................................... 252
Tray <X> empty: [Size] ............................................................ 252
Tray <X> empty: [Type], [Size] ................................................. 252
Tray <X> open ........................................................................ 252
Tray <X> overfilled Remove excess paper .................................. 253
Tray <X> overfilled To use another tray, touch "Options" ............. 253
Type mismatch Tray <X> .......................................................... 253
Unable to cancel firmware update job ....................................... 254
Unable to install the firmware ................................................... 254
Unsupported drive installed ...................................................... 254
Unsupported supply in use ........................................................ 254
Unsupported supply installed .................................................... 255
Unsupported supply installed To continue, touch “OK” ................. 255
Unsupported tray configuration ................................................. 255
Unsupported USB accessory detected Remove USB accessory ....... 255
Upgrade complete To continue turn off then on ........................... 256
USB accessory needs too much power Remove USB and turn off
then on .................................................................................. 256
USB accessory not functional .................................................... 256
USB hubs are not fully supported Some operations may not work
properly ................................................................................. 256
USB is write protected To clear touch “Clear” ............................. 256
USB not initialized To clear touch “Clear” .................................. 257
USB storage accessory removed Clearing any associated data ..... 257
USB storage device failure To clear touch “Clear” ....................... 257
USB storage file operation failed To clear touch “Clear” .............. 257
USB storage file system is full To clear touch “Clear” ................... 257
Used supply in use .................................................................. 257
Used supply installed To continue, touch “OK” ............................ 258
Event log messages ............................................................................................... 259
Print or view an event log ........................................................................ 260
Clear an event log .................................................................................. 260
Event log message table .......................................................................... 260
Clear jams .......................................................................................................................... 263
Jam locations ........................................................................................................ 263
Auto-navigation for clearing jams ............................................................................ 263
Clear jams in the output-bin area ............................................................................ 264
Clear jams in Tray 1 .............................................................................................. 264
Clear jams in Tray 2 or Tray 3 ................................................................................ 265
Clear jams in the 500-sheet trays ............................................................................ 267
Clear jams in the 3,500-sheet high-capacity tray ....................................................... 268
Clear jams from the toner-cartridge area .................................................................. 271
Clear jams in the fuser ........................................................................................... 274
Clear jams from the duplexer .................................................................................. 276
Solve paper-handling problems .............................................................................................. 277
The product picks up multiple sheets of paper ........................................................... 277
The product does not pick up paper ........................................................................ 277
Use manual print modes ....................................................................................................... 278
Print quality troubleshooting tools ........................................................................................... 280
Repetitive defects measurements .............................................................................. 280
Solve image-quality problems ................................................................................................ 281
Image defect examples .......................................................................................... 281
Clean the product ................................................................................................................ 289
Print a cleaning page ............................................................................................ 289
Solve performance problems ................................................................................................. 290
Solve connectivity problems ................................................................................................... 291
Solve USB connection problems .............................................................................. 291
Solve wired network problems ................................................................................ 291
The product has a poor physical connection. ............................................. 291
The computer is using the incorrect IP address for the product ...................... 291
The computer is unable to communicate with the product ............................ 292
The product is using incorrect link and duplex settings for the network .......... 292
New software programs might be causing compatibility problems ................ 292
The computer or workstation might be set up incorrectly .............................. 292
xiv ENWW
The product is disabled, or other network settings are incorrect .................... 292
Service mode functions ......................................................................................................... 293
Service menu ........................................................................................................ 293
Product resets ....................................................................................................... 294
Restore factory-set defaults ....................................................................... 294
Restore the service ID .............................................................................. 294
Product cold reset ................................................................................... 295
Format Disk and Partial Clean functions ................................................................... 296
Active and repository firmware locations ................................................... 296
Partial Clean ......................................................................................... 296
Execute a 3 Partial Clean ......................................................... 297
Format Disk ........................................................................................... 297
Execute a 2 Format Disk ........................................................... 298
Product firmware upgrades ................................................................................................... 299
Determine the installed revision of firmware .............................................................. 299
Perform a firmware upgrade ................................................................................... 299
Embedded Web Server ........................................................................... 299
USB storage device (Preboot menu) .......................................................... 300
USB storage device (control-panel menu) ................................................... 302
Appendix A Service and support ..................................................................................... 303
Hewlett-Packard limited warranty statement ............................................................................. 304
HP's Premium Protection Warranty: LaserJet toner cartridge limited warranty statement ................. 306
HP policy on non-HP supplies ................................................................................................ 307
HP anticounterfeit Web site ................................................................................................... 308
Data stored on the toner cartridge .......................................................................................... 309
End User License Agreement .................................................................................................. 310
OpenSSL ............................................................................................................................. 313
Customer self-repair warranty service ..................................................................................... 314
Customer support ................................................................................................................. 315
Appendix B Product specifications ................................................................................... 317
Physical specifications .......................................................................................................... 318
Power consumption, electrical specifications, and acoustic emissions .......................................... 318
Environmental specifications .................................................................................................. 318
Appendix C Regulatory information ................................................................................. 319
FCC regulations ................................................................................................................... 320
Environmental product stewardship program ........................................................................... 321
Protecting the environment ...................................................................................... 321
ENWW xv
Ozone production ................................................................................................. 321
Power consumption ............................................................................................... 321
Toner consumption ................................................................................................ 321
Paper use ............................................................................................................. 321
Plastics ................................................................................................................. 321
HP LaserJet print supplies ....................................................................................... 322
Return and recycling instructions ............................................................................. 322
United States and Puerto Rico .................................................................. 322
Multiple returns (more than one cartridge) .................................. 322
Single returns .......................................................................... 322
Shipping ................................................................................ 322
Non-U.S. returns .................................................................................... 323
Paper .................................................................................................................. 323
Material restrictions ............................................................................................... 323
Disposal of waste equipment by users ...................................................................... 324
Electronic hardware recycling ................................................................................. 324
Chemical substances ............................................................................................. 324
Material Safety Data Sheet (MSDS) ......................................................................... 324
For more information ............................................................................................. 324
Declaration of conformity ...................................................................................................... 326
Safety statements ................................................................................................................. 328
Laser safety .......................................................................................................... 328
Canadian DOC regulations .................................................................................... 328
VCCI statement (Japan) .......................................................................................... 328
Power cord instructions .......................................................................................... 328
Power cord statement (Japan) ................................................................................. 328
EMC statement (China) .......................................................................................... 329
EMC statement (Korea) .......................................................................................... 329
EMI statement (Taiwan) .......................................................................................... 329
Laser statement for Finland ..................................................................................... 329
GS statement (Germany) ........................................................................................ 331
Substances Table (China) ....................................................................................... 331
Restriction on Hazardous Substances statement (Turkey) ............................................. 331
Restriction on Hazardous Substances statement (Ukraine) ........................................... 331
Index ............................................................................................................................... 333
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