HP Laserjet Enterprise M725 troubleshooting manual

4.7 (9)

LASERJET ENTERPRISE MFP M725

Troubleshooting Manual

M725dn

M725f

M725z

M725z+

HP LaserJet Enterprise MFP M725

Troubleshooting Manual

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.

Part number: CF066-91023

Edition 1, 03/2013

Trademark Credits

Microsoft®, Windows®, Windows® XP, and Windows Vista® are U.S. registered trademarks of Microsoft Corporation.

Conventions used in this guide

TIP: Tips provide helpful hints or shortcuts.

NOTE: Notes provide important information to explain a concept or to complete a task.

CAUTION: Cautions indicate procedures that you should follow to avoid losing data or damaging the product.

WARNING! Warnings alert you to specific procedures that you should follow to avoid personal injury, catastrophic loss of data, or extensive damage to the product.

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iii

Conventions used in this guide

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Table of contents

1 Theory of operation ..........................................................................................................	1
Basic operation ........................................................................................................................	2
Function structure ......................................................................................................	2
Operation sequence ..................................................................................................	2
Engine control system ...............................................................................................................	4
DC controller PCA .....................................................................................................	5
Motor control .............................................................................................	7
Motor locations ...........................................................................	7
Failure detection .........................................................................	8
Fan control ................................................................................................	9
Fan locations ..............................................................................	9
Failure detection .......................................................................	10
Low-voltage power-supply PCA .................................................................................	11
Over-current/over-voltage/overload protection ............................................	12
Safety interruption ....................................................................................	12
Power supply voltage detection ..................................................................	13
Sleep mode .............................................................................................	13
Power supply illumination control ...............................................................	13
High-voltage power-supply PCA ................................................................................	14
Fuser control ...........................................................................................................	16
Fuser temperature control ..........................................................................	18
Fuser heater protective function ..................................................................	18
Fuser failure detection ...............................................................................	19
Pressure roller cleaning .............................................................................	20
Laser scanner system ..............................................................................................................	21
Laser scanner failure detection ..................................................................................	22
Laser scanner safety function ....................................................................................	22
Image-formation system ...........................................................................................................	23
Image-formation process ..........................................................................................	25
Latent-image formation block .....................................................................	25
Step 1: Primary charging ...........................................................	25
Step 2: Laser-beam exposure ......................................................	26

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Development block ...................................................................................	26
Step 3: Developing ....................................................................	26
Transfer block ..........................................................................................	27
Step 4: Image transfer ...............................................................	27
Step 5: Separation from the drum ................................................	27
Fuser block ..............................................................................................	29
Step 6: Fusing ...........................................................................	29
Drum-cleaning block .................................................................................	29
Step 7: Drum cleaning ...............................................................	29
Toner cartridge .......................................................................................................	29
Other image-formation functions ...............................................................................	31
Drum discharge .......................................................................................	31
Transfer roller cleaning .............................................................................	31
Environment change control .......................................................................	32
Pickup, feed, and delivery system .............................................................................................	33
Pickup-and-feed block ..............................................................................................	37
Cassette pickup ........................................................................................	38
Cassette media-size detection and cassette-presence detection .......................	38
Cassette lift operation ...............................................................................	39
Lift-up operation ........................................................................	39
Lift-down operation ....................................................................	39
Cassette media-presence detection .............................................................	40
Cassette multiple-feed prevention ................................................................	40
MP tray pickup ........................................................................................	42
MP tray media-presence detection ..............................................................	42
MP tray multiple-feed prevention ................................................................	43
Feed-speed control ...................................................................................	43
Skew-feed prevention ................................................................................	45
Media-length detection .............................................................................	46
Fuse and delivery block ...........................................................................................	47
Loop control ............................................................................................	48
Output bin media-full detection ..................................................................	49
Jam detection .........................................................................................................	50
No pick jam 1 .........................................................................................	51
Feed stay jam 1 .......................................................................................	52
Fuser output delay jam 1 ...........................................................................	52
Fuser output stay jam 1 .............................................................................	52
Output delay jam 1 ..................................................................................	52
Output delay jam 2 ..................................................................................	52
Output stay jam 1 ....................................................................................	52
Residual paper jam 1 ...............................................................................	53

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Fuser wrap jam 1 .....................................................................................	53
Door open jam 1 .....................................................................................	53
Multiple-feed jam 1 ..................................................................................	53
Automatic delivery ..................................................................................................	53
Scanning/image capture system ..............................................................................................	54
Scanner .................................................................................................................	54
Automatic document feed system ...............................................................................	54
Sensors in the document feeder ..................................................................	54
Document feeder paper path .....................................................................	55
500-sheet paper feeder (Tray 4) ..............................................................................................	57
500-sheet paper feeder motor control ........................................................................	58
500-sheet paper feeder failure detection .....................................................	59
500-sheet paper feeder pickup and feed operation .....................................................	59
500-sheet paper feeder cassette pickup ......................................................	60
500-sheet paper feeder cassette media-size detection and cassette-presence
detection .................................................................................................	60
500-sheet paper feeder lift-up operation .....................................................	61
500-sheet paper feeder cassette media-presence detection ............................	62
500-sheet paper feeder cassette multiple-feed prevention ..............................	62
500-sheet paper feeder jam detection .......................................................................	63
No pick jam 2 .........................................................................................	63
Residual paper jam 1 ...............................................................................	63
Door open jam 1 .....................................................................................	64
500-sheet paper feeder automatic delivery .................................................................	64
1x500 and 3x500 paper feeder and stand ..............................................................................	65
Paper deck motor control .........................................................................................	69
Paper deck failure detection ......................................................................	69
Paper deck pickup-and-feed operation .......................................................................	69
Paper deck cassette media-size detection and cassette-presence detection .......	71
Paper deck lift-up operation .......................................................................	72
Paper deck cassette media-presence detection .............................................	73
Paper deck jam detection .........................................................................................	73
No pick jam 2 .........................................................................................	73
No pick jam 3 (3x500-sheet paper deck only) .............................................	74
Residual paper jam 1 ...............................................................................	74
Door open jam 1 .....................................................................................	74
Paper deck automatic delivery ..................................................................................	74
3,500-sheet high-capacity input (HCI) feeder .............................................................................	75
HCI motor control ....................................................................................................	77
HCI failure detection .................................................................................	77
HCI pickup-and-feed operation .................................................................................	78

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HCI cassette media-size detection and cassette-presence detection	................. 79
HCI lift-up operation .................................................................................	80
HCI cassette media-presence detection .......................................................	81
HCI jam detection ...................................................................................................	82
No pick jam 2 .........................................................................................	82
No pick jam 3 .........................................................................................	82
Residual paper jam 1 ...............................................................................	83
Door open jam 1 .....................................................................................	83
HCI automatic delivery ............................................................................................	83
Duplexer ...............................................................................................................................	84
Duplexer motor control ............................................................................................	86
Duplexer motor failure detection .................................................................	86
Duplexer fan control ................................................................................................	87
Duplexer fan failure detection ....................................................................	87
Duplexer reverse-and-feed operation ..........................................................................	88
Duplexer reverse-and feed-operation sequence ............................................	89
Side misregistration detection ....................................................................	89
Side misregistration failure detection ............................................	91
Duplexer jam detection ............................................................................................	92
Fuser output stay jam 2 .............................................................................	93
Reverse jam 1 ..........................................................................................	93
Duplex re-pickup jam 1 .............................................................................	93
Duplex re-pickup jam 2 .............................................................................	93
Duplex re-pickup jam 3 .............................................................................	93
Residual paper jam 1 ...............................................................................	93
Duplexer automatic delivery .....................................................................................	93
Stapler/stacker ......................................................................................................................	94
Stapler/stacker motor control ....................................................................................	96
Stapler/stacker failure detection .................................................................	97
Stapler/stacker feed and delivery operation ...............................................................	98
Staple mode/stack align mode ................................................................	100
Stacker mode ........................................................................................	106
Stapler/stacker jam detection .................................................................................	107
Inlet delay jam .......................................................................................	107
Inlet stay jam .........................................................................................	107
Paper stack output stay jam .....................................................................	107
Residual paper jam ................................................................................	108
Stapler/stacker automatic delivery ..........................................................................	108
Stapler .................................................................................................................	109

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2 Solve problems .............................................................................................................	111
Solve problems checklist .......................................................................................................	112
Helpful printed pages ...........................................................................................................	114
Menu map ...........................................................................................................	114
Current settings pages ...........................................................................................	114
Preboot menu options ...........................................................................................................	115
Troubleshooting process ........................................................................................................	122
Determine the problem source .................................................................................	122
Troubleshooting flowchart .......................................................................	122
Power subsystem ...................................................................................................	123
Power-on checks ....................................................................................	123
Power-on troubleshooting overview ............................................	123
Control-panel checks .............................................................................................	124
Control-panel diagnostic flowcharts ..........................................................	126
Touchscreen black, white, or dim (no image) ..............................	127
Touchscreen is slow to respond or requires multiple presses to
respond .................................................................................	128
Touchscreen has an unresponsive zone ......................................	129
No control-panel sound ............................................................	130
Home button is unresponsive ....................................................	131
Hardware integration pocket (HIP) is not functioning (control panel
functional) ..............................................................................	132
Scanning subsystem ..............................................................................................	132
Tools for troubleshooting .......................................................................................................	133
Individual component diagnostics ............................................................................	133
LED status ..............................................................................................	133
Understand lights on the formatter .............................................	133
Engine diagnostics .................................................................................	135
Engine-test button ....................................................................	135
Paper path test .......................................................................................	138
Paper path sensor tests ...........................................................................	139
Manual sensor tests ................................................................................	140
Cartridge door switch (SW3) ....................................................	142
Left door switch (SW1) .............................................................	143
Right door sensor (SR8) ............................................................	144
Cartridge install sensor (SR1) ....................................................	145
TOP (top-of-page) sensor (SR9) ..................................................	146
Fuser loop sensor (SR6) ............................................................	147
Fuser output sensor (SR12) .......................................................	148
Duplex switchback sensor (SR1) ................................................	149
Duplexer refeed sensor (SR2) ....................................................	150

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Tray 4 feed sensor (SR1) ..........................................................	151
Output sensor (SR3) .................................................................	152
Tray/bin manual sensor tests ...................................................................	153
Base product trays ...................................................................	155
Optional 500-sheet paper tray (Tray 4) ......................................	163
1x500 and 3x500 paper deck trays .........................................	168
HCI trays ................................................................................	172
Scanner sensor tests ...............................................................................	181
Print/stop test ........................................................................................	183
Component tests .....................................................................................	184
Control-panel tests ...................................................................	184
Half self-test ............................................................................	184
Drum rotation test check ...........................................................	185
Component test (special-mode test) ............................................	185
Diagrams .............................................................................................................	187
Block diagrams ......................................................................................	187
Location of connectors ............................................................................	192
DC controller connections .........................................................	192
Plug/jack locations .................................................................................	193
Locations of major components ................................................................	194
General timing charts .............................................................................	214
Circuit diagrams ....................................................................................	215
Internal print-quality test pages ................................................................................	217
Clean the paper path .............................................................................	217
Set up an auto cleaning page ...................................................	217
Print a configuration page .......................................................................	218
Configuration page .................................................................	218
HP embedded Jetdirect page ....................................................	219
Finding important information on the configuration pages ............	220
Control panel menus ..............................................................................................	221
Administration menu ...............................................................................	221
Reports menu ..........................................................................	221
General Settings menu .............................................................	223
Copy Settings menu .................................................................	231
Scan/Digital Send Settings menu ..............................................	238
Fax Settings menu ...................................................................	250
General Print Settings menu ......................................................	263
Default Print Options menu .......................................................	266
Display Settings menu ..............................................................	268
Manage Supplies menu ...........................................................	270
Manage Trays menu ................................................................	273

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Network Settings menu ............................................................	275
Troubleshooting menu ..............................................................	289
Device Maintenance menu ......................................................................	293
Backup/Restore menu ..............................................................	293
Calibration/Cleaning menu ......................................................	294
USB Firmware Upgrade menu ...................................................	295
Service menu ..........................................................................	295
Interpret control-panel messages .............................................................................	296
Control-panel message types ...................................................................	296
Control-panel messages ..........................................................................	296
11.00.YY Internal clock error To continue, touch “OK” ................	296
13.80.A1 Jam in upper left door ...............................................	296
13.80.D1 Jam in upper left door ...............................................	297
13.80.FF Jam in upper left door ................................................	297
13.84.A1 Jam in upper bin ......................................................	297
13.84.FF Jam in upper bin .......................................................	297
13.89.31 Jam in Stapler ..........................................................	298
13.A4.D4 Jam in lower right door .............................................	298
13.A4.D4 Jam in tray 4 ...........................................................	299
13.A4.D5 Jam in lower right door .............................................	299
13.A4.D5 Jam in middle right door ...........................................	300
13.A4.D6 Jam in lower right door .............................................	301
13.A4.D6 Jam in middle right door ...........................................	301
13.A4.FF Jam in tray 4 or 13.A4.FF Jam in lower right door or
13.A4.FF Jam in middle right door ............................................	302
13.A5.D5 Jam in tray 5 ...........................................................	302
13.A5.D6 Jam in lower right door .............................................	303
13.A5.FF Jam in tray 5 or 13.A5.FF Jam in lower right door or
13.A5.FF Jam tray 4 (inner flap) ...............................................	303
13.A6.D6 Jam in tray 6 ...........................................................	304
13.A6.FF Jam in tray 6 or 13.A6.FF Jam tray 5 (inner flap) ..........	304
13.A7.D5 Jam in lower right door .............................................	305
13.A7.D5 Jam tray 4 (inner flap) ..............................................	305
13.A7.D6 Jam tray 5 (inner flap) ..............................................	306
13.A7.FF Jam in tray 4 or 13.A7.FF Jam in tray 5 or 13.A7.FF
Jam in lower right door ............................................................	306
13.AA.EE Door open jam ........................................................	306
13.AB.EE Door open jam .........................................................	307
13.AC.EE Door open jam ........................................................	307
13.AD.EE Door open jam ........................................................	308
13.B2.AD Jam in top cover area ...............................................	308

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13.B2.AX Jam in top cover area ...............................................	309
13.B2.D1 Jam in tray 1 ...........................................................	310
13.B2.D2 Jam in top cover area (tray 2) ....................................	310
13.B2.D3 Jam in top cover area (tray 3) (no optional input
devices installed) .....................................................................	311
13.B2.D3 Jam in top cover area (tray 3) (optional input devices
installed) ................................................................................	312
13.B2.DD Jam in top cover area ...............................................	312
13.B2.DX Jam in top cover area ...............................................	313
13.B2.FF Jam in top cover area ................................................	314
13.B4.FF Jam in top cover area ................................................	314
13.B9.AX Fuser area jam .........................................................	315
13.B9.CX Fuser wrap jam ........................................................	315
13.B9.DD Fuser area jam (top cover) ........................................	316
13.B9.FF Jam in left door .........................................................	317
13.BA.EE Door open jam .........................................................	317
13.D1.DX Jam in left door ........................................................	317
13.D1.FF Jam in left door .........................................................	318
13.D3.00 Jam in top cover area ...............................................	318
13.D3.DX Jam in duplexer .......................................................	319
13.D3.FF Jam in top cover area ................................................	319
13.DE.EE Jam in duplexer (during a print job) ............................	320
13.E1.DX Jam in left door ........................................................	320
13.E1.FF Jam in left door .........................................................	321
13.E6.AX Jam in left door ........................................................	321
13.E6.BD Jam in left door ........................................................	322
13.E6.BX Jam in left door .........................................................	322
13.E6.DX Jam in left door ........................................................	322
13.E6.FF ................................................................................	323
13.EA.EE Door open jam .........................................................	323
13.FF.FF ................................................................................	324
13.WX.YZ Fuser area jam (top cover) .......................................	324

20.00.00 Insufficient memory: <Device> To continue, touch “OK” 325

21.00.00 Page too complex To continue, touch “OK” .................	325
30.01.01 ...............................................................................	325
30.01.06 ...............................................................................	325
30.01.08 ...............................................................................	326
30.01.41 ...............................................................................	326
30.01.43 ...............................................................................	326
30.01.44 ...............................................................................	327
30.01.45 ...............................................................................	327

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30.01.46 ...............................................................................	327
30.03.14 ...............................................................................	327
30.03.20 ...............................................................................	328
30.03.22 ...............................................................................	328
30.03.23 ...............................................................................	328
30.03.30 ...............................................................................	329
30.03.45 ...............................................................................	329
31.01.47 ...............................................................................	329
31.03.30 ...............................................................................	329
31.03.31 ...............................................................................	330
31.03.32 ...............................................................................	330
31.08.A1 ..............................................................................	331
31.08.A2 ..............................................................................	331
31.08.A3 ..............................................................................	331
31.13.01 ...............................................................................	331
31.13.02 ...............................................................................	332
31.13.13 ...............................................................................	332
31.13.14 ...............................................................................	333
31.13.15 ...............................................................................	333
32.1C.XX ...............................................................................	334
32.21.00 ...............................................................................	338
33.01.01 ...............................................................................	339
33.01.02 ...............................................................................	339
33.01.03 ...............................................................................	339
33.01.04 ...............................................................................	339
33.01.05 ...............................................................................	339
33.02.01 ...............................................................................	340
33.02.02 ...............................................................................	340
33.02.03 ...............................................................................	340
33.03.01 ...............................................................................	340
33.03.02 ...............................................................................	341
33.WX.YZ Used board/disk installed ........................................	341
40.00.01 USB I/O buffer overflow To continue, touch “OK” ........	341
40.00.02 Embedded I/O buffer overflow To continue, touch
“OK” .....................................................................................	341
40.00.03 EIO <X> buffer overflow To continue, touch “OK” ........	342
40.00.04 EIO <X> bad transmission To continue, touch “OK” .....	342
40.00.05 Embedded I/O bad transmission To continue, touch
“OK” .....................................................................................	342
40.08.0X USB storage accessory removed .................................	342
40.0X.05 USB storage accessory removed .................................	342

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41.03.YZ Unexpected size in Tray <X> .....................................	343
41.03.YZ Unexpected size in Tray <X> To use another tray, touch
"Options" ...............................................................................	343
41.05.YZ Unexpected type in Tray <X> .....................................	344
41.05.YZ Unexpected type in Tray <X> To use another tray,
touch "Options" ......................................................................	345
41.WX.YZ Error To use another tray, touch "Options" .................	346
47.00.00 ...............................................................................	347
47.00.XX ...............................................................................	347
47.01.XX ...............................................................................	348
47.02.XX ...............................................................................	348
47.03.XX ...............................................................................	348
47.04.XX ...............................................................................	348
47.05.00 ...............................................................................	349
47.06.XX ...............................................................................	349
49.XX.YY Error To continue turn off then on ................................	349
50.WX.YZ Fuser error To continue turn off then on ......................	350
51.00.YY Error To continue turn off then on ................................	353
52.00.00 Error To continue turn off then on ...............................	354
52.00.20 Error To continue turn off then on ...............................	354
52.<XX>.00 Error To continue turn off then on ............................	354
54.XX.YY Error .......................................................................	355
55.XX.YY DC controller error To continue turn off then on ............	355
56.00.YY Error To continue turn off then on ................................	356
57.00.0X Error .......................................................................	356
58.00.02 environmental sensor malfunction ...............................	356
58.00.04 Error To continue turn off then on ...............................	357
59.00.00 Error To continue turn off then on ...............................	357
59.00.20 Error To continue turn off then on ...............................	357
59.00.30 Error To continue turn off then on ...............................	357
59.00.40 Error To continue turn off then on ...............................	358
59.05.50 Error To continue turn off then on ...............................	358
59.05.60 Error To continue turn off then on ...............................	358
60.00.0Y Tray <Y> lifting error ................................................	359
60.10.0Y Media input source <Y> pickup mechanism
malfunction .............................................................................	360
62.00.00 No system To continue turn off then on ........................	361
66.80.02 Output accessory failure To continue turn off then on ....	361
66.80.03 Output accessory failure To continue turn off then on ....	361
66.80.19 Output accessory failure To continue turn off then on ....	362
66.80.33 Output accessory failure To continue turn off then on ....	362

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69.11.YY Error To continue, touch “OK” ....................................	362
70.00.00 Error To continue turn off then on ...............................	362
80.0X.YY Embedded Jetdirect Error ...........................................	363
81.WX.00 Wireless Network Error To continue turn off then on ....	364
81.WX.YZ Embedded JetDirect Error To continue turn off then on ..	365
81.YY.YY EIO Error To continue turn off then on .........................	365
98.00.0X Corrupt data in X volume ...........................................	366
99.00.01 Upgrade not performed file is corrupt .........................	366
99.00.02 Upgrade not performed timeout during receive ............	366
99.00.03 Upgrade not performed error writing to disk ................	367
99.00.04 Upgrade not performed timeout during receive ............	367
99.00.05 Upgrade not performed timeout during receive ............	367
99.00.06 Upgrade not performed error reading upgrade ............	367
99.00.07 Upgrade not performed error reading upgrade ............	368
99.00.08 Upgrade not performed error reading upgrade ............	368
99.00.09 Upgrade canceled by user ........................................	368
99.00.10 Upgrade canceled by user ........................................	368
99.00.11 Upgrade canceled by user ........................................	368
99.00.12 Upgrade not performed the file is invalid ....................	369
99.00.13 Upgrade not performed the file is invalid ....................	369
99.00.14 Upgrade not performed the file is invalid ....................	369
99.00.2X ...............................................................................	369
99.01.XX ...............................................................................	370
99.02.01 ...............................................................................	370
99.02.09 ...............................................................................	371
99.09.60 Unsupported disk .....................................................	371
99.09.61 Unsupported disk .....................................................	371
99.09.62 Unknown disk ..........................................................	371
99.09.63 Incorrect disk ...........................................................	372
99.09.64 Disk malfunction .......................................................	372
99.09.65 Disk data error .........................................................	372
99.09.66 No disk installed ......................................................	372
99.09.67 Disk is not bootable please download firmware ...........	372
99.09.68 ...............................................................................	373
99.XX.YY ...............................................................................	373
<Binname> full Remove all paper from bin .................................	373
Bad optional tray connection ....................................................	373
Black Cartridge low .................................................................	374
Black Cartridge very low ..........................................................	374
Black Cartridge very low To continue, touch “OK” ......................	374
Card slot device failure To clear touch “Clear” ...........................	374

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Card slot file operation failed To clear touch “Clear” ...................	375
Card slot file system is full To clear touch “Clear” ........................	375
Card slot is write protected To clear touch “Clear” ......................	375
Card slot not initialized To clear touch “Clear” ...........................	375
Cartridge ship mode ................................................................	375
Chosen personality not available To continue, touch “OK” ...........	375
Cleaning disk <X>% complete Do not power off .........................	376
Close left door ........................................................................	376
Close right door ......................................................................	376
Close top cover .......................................................................	376
Data received .........................................................................	377
Disk full Delete stored jobs ........................................................	377
Disk low Delete stored jobs .......................................................	377
EIO <X> disk not functional ......................................................	377
EIO <X> disk spinning up .........................................................	378
EIO device failure To clear touch “Clear” ...................................	378
EIO file operation failed To clear touch “Clear” ..........................	378
EIO file system is full To clear touch “Clear” ...............................	378
EIO is write protected To clear touch “Clear” ..............................	379
EIO not initialized To clear touch “Clear” ...................................	379
Event log is empty ...................................................................	379
Fuser Kit Low ..........................................................................	379
Fuser Kit very low ....................................................................	379
Fuser Kit very low To continue, touch “OK” ................................	380
Incompatible <supply> .............................................................	380
Incompatible supplies ..............................................................	380
Initializing... ...........................................................................	380
Install Black Cartridge ..............................................................	381
Install Fuser Unit ......................................................................	381
Install supplies ........................................................................	381
Internal disk device failure To clear touch “Clear” .......................	381
Internal disk file operation failed To clear touch “Clear” ...............	382
Internal disk file system is full To clear touch “Clear” ....................	382
Internal disk is write protected To clear touch “Clear” ..................	382
Internal disk not found .............................................................	382
Internal disk not functional ........................................................	382
Internal disk not initialized To clear touch “Clear” .......................	382
Internal disk spinning up ..........................................................	383
Load Tray 1 [Type] [Size] .........................................................	383
Load Tray 1 [Type] [Size] To continue, touch “OK” ......................	383
Load Tray <X>: [Size] ..............................................................	383

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Load Tray <X>: [Size] To continue, touch “OK” ..........................	384
Load Tray <X>: [Size] To use another tray, touch "Options" .........	384
Load Tray <X>: [Type], [Size] ...................................................	384
Load Tray <X>: [Type], [Size] To use another tray, touch
"Options" ...............................................................................	385
Manually feed output stack Then touch "OK" to print second
sides ......................................................................................	385
Manually feed: [Size] ..............................................................	386
Manually feed: [Size] To continue, touch “OK” ...........................	386
Manually feed: [Size] To use another tray, touch "Options" ..........	386
Manually feed: [Type], [Size] To continue, touch “OK” ................	387
Manually feed: [Type], [Size] To use another tray, touch
"Options" ...............................................................................	387
Moving solenoid .....................................................................	387
Moving solenoid and motor ......................................................	387
No job to cancel .....................................................................	387
Output Bin full .........................................................................	388
Paperless mode .......................................................................	388
Printing Engine Test... ..............................................................	388
Printing stopped To continue, touch “OK” ...................................	388
RAM Disk device failure To clear touch “Clear” ..........................	389
RAM Disk file operation failed To clear touch “Clear” ..................	389
RAM Disk file system is full To clear touch “Clear” .......................	389
RAM Disk is write protected To clear touch “Clear” .....................	389
RAM Disk not initialized To clear touch “Clear” ..........................	389
Remove cartridge lock .............................................................	389
Remove the toner cartridge .......................................................	390
Replace Black Cartridge ...........................................................	390
Replace Fuser Kit .....................................................................	390
Replace supplies .....................................................................	391
ROM disk device failed To clear touch “Clear” ...........................	391
ROM disk file operation failed To clear touch “Clear” ..................	391
ROM disk file system is full To clear touch “Clear” .......................	391
ROM disk is write protected To clear touch “Clear” .....................	392
ROM disk not initialized To clear touch “Clear” ..........................	392
Size mismatch in Tray <X> .......................................................	392
Standard bin full Remove all paper from bin ...............................	392
Supplies low ...........................................................................	393
Supplies very low To continue, touch “OK” .................................	393
Supply memory warning ..........................................................	393
Tray <X> empty: [Size] ............................................................	393

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Tray <X> empty: [Type], [Size] .................................................	394
Tray <X> open ........................................................................	394
Tray <X> overfilled Remove excess paper ..................................	394
Tray <X> overfilled To use another tray, touch "Options" .............	394
Type mismatch Tray <X> ..........................................................	395
Unable to cancel firmware update job .......................................	395
Unable to install the firmware ...................................................	395
Unsupported drive installed ......................................................	396
Unsupported supply in use ........................................................	396
Unsupported supply installed ....................................................	396
Unsupported supply installed To continue, touch “OK” .................	396
Unsupported tray configuration .................................................	396
Unsupported USB accessory detected Remove USB accessory .......	397
Upgrade complete To continue turn off then on ...........................	397
USB accessory needs too much power Remove USB and turn off
then on ..................................................................................	397
USB accessory not functional ....................................................	397
USB hubs are not fully supported Some operations may not work
properly .................................................................................	397
USB is write protected To clear touch “Clear” .............................	398
USB not initialized To clear touch “Clear” ..................................	398
USB storage accessory removed Clearing any associated data .....	398
USB storage device failure To clear touch “Clear” .......................	398
USB storage file operation failed To clear touch “Clear” ..............	398
USB storage file system is full To clear touch “Clear” ...................	399
Used supply in use ..................................................................	399
Used supply installed To continue, touch “OK” ............................	399
Event log messages ...............................................................................................	400
Print or view an event log ........................................................................	401
Clear an event log ..................................................................................	401
Event log message table ..........................................................................	401
Clear jams ..........................................................................................................................	404
Jam locations ........................................................................................................	404
Auto-navigation for clearing jams ............................................................................	407
Clear jams in the document feeder ..........................................................................	407
Clear jams in the output-bin area ............................................................................	409
Clear jams in the stapler/stacker .............................................................................	409
Clear staple jams ..................................................................................................	411
Clear jams in Tray 1 ..............................................................................................	414
Clear jams in Tray 2 or Tray 3 ................................................................................	415
Clear jams in the 500-sheet trays ............................................................................	417

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Clear jams in the 3,500-sheet high-capacity tray .......................................................	418
Clear jams from the toner-cartridge area ..................................................................	421
Clear jams in the fuser ...........................................................................................	424
Clear jams from the duplexer ..................................................................................	426
Solve paper-handling problems ..............................................................................................	427
The product picks up multiple sheets of paper ...........................................................	427
The product does not pick up paper ........................................................................	427
The document feeder jams, skews, or picks up multiple sheets of paper .......................	428
Use manual print modes .......................................................................................................	429
Print quality troubleshooting tools ...........................................................................................	431
Repetitive defects measurements ..............................................................................	431
Solve image-quality problems ................................................................................................	432
Image defect examples ..........................................................................................	432
Clean the product ................................................................................................................	440
Print a cleaning page ............................................................................................	440
Check the scanner glass for dirt or smudges .............................................................	440
Clean the pickup rollers and separation pad in the document feeder ...........................	442
Solve performance problems .................................................................................................	445
Solve connectivity problems ...................................................................................................	446
Solve USB connection problems ..............................................................................	446
Solve wired network problems ................................................................................	446
The product has a poor physical connection. .............................................	446
The computer is using the incorrect IP address for the product ......................	446
The computer is unable to communicate with the product ............................	447
The product is using incorrect link and duplex settings for the network ..........	447
New software programs might be causing compatibility problems ................	447
The computer or workstation might be set up incorrectly ..............................	447
The product is disabled, or other network settings are incorrect ....................	447
Service mode functions .........................................................................................................	448
Service menu ........................................................................................................	448
Product resets .......................................................................................................	451
Restore factory-set defaults .......................................................................	451
Restore the service ID ..............................................................................	451
Product cold reset ...................................................................................	452
Format Disk and Partial Clean functions ...................................................................	452
Active and repository firmware locations ...................................................	452
Partial Clean .........................................................................................	453
Execute a 3 Partial Clean .........................................................	453
Format Disk ...........................................................................................	454
Execute a 2 Format Disk ...........................................................	454
Solve fax problems ...............................................................................................................	455

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Checklist for solving fax problems ...........................................................................	455
What type of phone line are you using? ....................................................	455
Are you using a surge-protection device? ..................................................	455
Are you using a phone company voice-messaging service or an answering
machine? ..............................................................................................	456
Does your phone line have a call-waiting feature? ......................................	456
Check fax accessory status .....................................................................................	457
General fax problems ............................................................................................	458
Use Fax over VoIP networks ....................................................................................	459
Problems with receiving faxes .................................................................................	460
Problems with sending faxes ...................................................................................	462
Fax error codes ....................................................................................................	464
Fax error messages on the product control panel ......................................................	464
Send-fax messages .................................................................................	465
Receive-fax messages .............................................................................	466
Service settings .....................................................................................................	467
Settings in the Troubleshooting menu ........................................................	467
Product upgrades .................................................................................................................	468
Determine the installed revision of firmware ..............................................................	468
Perform a firmware upgrade ...................................................................................	468
Embedded Web Server ...........................................................................	468
USB storage device (Preboot menu) ..........................................................	469
USB storage device (control-panel menu) ...................................................	470
Appendix A Service and support .....................................................................................	471
Hewlett-Packard limited warranty statement .............................................................................	472
HP's Premium Protection Warranty: LaserJet toner cartridge limited warranty statement .................	474
HP policy on non-HP supplies ................................................................................................	475
HP anticounterfeit Web site ...................................................................................................	476
Data stored on the toner cartridge ..........................................................................................	477
End User License Agreement ..................................................................................................	478
OpenSSL .............................................................................................................................	481
Customer self-repair warranty service .....................................................................................	482
Customer support .................................................................................................................	483
Appendix B Product specifications ...................................................................................	485
Physical specifications ..........................................................................................................	486
Power consumption, electrical specifications, and acoustic emissions ..........................................	486
Environmental specifications ..................................................................................................	486

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Appendix C Regulatory information .................................................................................

487

FCC regulations ...................................................................................................................	488
Environmental product stewardship program ...........................................................................	489
Protecting the environment ......................................................................................	489
Ozone production .................................................................................................	489
Power consumption ...............................................................................................	489
Toner consumption ................................................................................................	489
Paper use .............................................................................................................	489
Plastics .................................................................................................................	489
HP LaserJet print supplies .......................................................................................	490
Return and recycling instructions .............................................................................	490
United States and Puerto Rico ..................................................................	490
Multiple returns (more than one cartridge) ..................................	490
Single returns ..........................................................................	490
Shipping ................................................................................	490
Non-U.S. returns ....................................................................................	491
Paper ..................................................................................................................	491
Material restrictions ...............................................................................................	491
Disposal of waste equipment by users ......................................................................	492
Electronic hardware recycling .................................................................................	492
Chemical substances .............................................................................................	492
Material Safety Data Sheet (MSDS) .........................................................................	492
For more information .............................................................................................	492
Declaration of conformity ......................................................................................................	494
Declaration of conformity (fax models) ....................................................................................	496
Certificate of Volatility ..........................................................................................................	498
Safety statements .................................................................................................................	500
Laser safety ..........................................................................................................	500
Canadian DOC regulations ....................................................................................	500
VCCI statement (Japan) ..........................................................................................	500
Power cord instructions ..........................................................................................	500
Power cord statement (Japan) .................................................................................	500
EMC statement (China) ..........................................................................................	501
EMC statement (Korea) ..........................................................................................	501
EMI statement (Taiwan) ..........................................................................................	501
Laser statement for Finland .....................................................................................	501
GS statement (Germany) ........................................................................................	503
Substances Table (China) .......................................................................................	503
Restriction on Hazardous Substances statement (Turkey) .............................................	503
Restriction on Hazardous Substances statement (Ukraine) ...........................................	503
Additional statements for telecom (fax) products .......................................................................	504

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EU Statement for Telecom Operation .......................................................................	504
New Zealand Telecom Statements ...........................................................................	504
Additional FCC statement for telecom products (US) ..................................................	504
Telephone Consumer Protection Act (US) ..................................................................	505
Industry Canada CS-03 requirements ......................................................................	505
Vietnam Telecom wired/wireless marking for ICTQC Type approved products .............	506
Japan Telecom Mark .............................................................................................	506
Index ...............................................................................................................................	507

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List of tables

Table 1-1 Operation sequence ...............................................................................................................	3
Table 1-2 Motor locations ......................................................................................................................	7
Table 1-3 Fan locations .........................................................................................................................	9
Table 1-4 Low voltage power supply DC power specifications ..................................................................	12
Table 1-5 Pickup, feed, and delivery system sensors and switches .............................................................	34
Table 1-6 Pickup, feed, and delivery system solenoid and motors .............................................................	36
Table 1-7 Media switch combinations ...................................................................................................	39
Table 1-8 500-sheet paper feeder electrical components .........................................................................	58
Table 1-9 500-sheet paper feeder motors ..............................................................................................	59
Table 1-10 500-sheet paper feeder pickup and feed components .............................................................	59
Table 1-11 500-sheet paper feeder media switch combinations ................................................................	61
Table 1-12 Paper deck electrical components .........................................................................................	67
Table 1-13 Paper deck motors ..............................................................................................................	69
Table 1-14 Paper deck pickup-and-feed operation components ................................................................	70
Table 1-15 Paper deck media switch combinations .................................................................................	71
Table 1-16 HCI electrical components ...................................................................................................	76
Table 1-17 HCI motors ........................................................................................................................	77
Table 1-18 HCI pickup-and-feed operation components ...........................................................................	78
Table 1-19 Duplexer electrical components ............................................................................................	85
Table 1-20 Duplexer motor ..................................................................................................................	86
Table 1-21 Duplexer fan ......................................................................................................................	87
Table 1-22 Duplexer reverse-and-feed components ..................................................................................	88
Table 2-1 Preboot menu options (1 of 6) ..............................................................................................	115
Table 2-2 Preboot menu options (2 of 6) ..............................................................................................	117
Table 2-3 Preboot menu options (3 of 6) ..............................................................................................	118
Table 2-4 Preboot menu options (4 of 6) ..............................................................................................	119
Table 2-5 Preboot menu options (5 of 6) ..............................................................................................	119
Table 2-6 Preboot menu options (6 of 6) ..............................................................................................	120
Table 2-7 Troubleshooting flowchart ....................................................................................................	122
Table 2-8 Heartbeat LED, status ..........................................................................................................	134
Table 2-9 Paper-path sensors ..............................................................................................................	139
Table 2-10 Manual sensor tests ..........................................................................................................	140

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Table 2-11 Tray/bin manual sensor test ...............................................................................................	153
Table 2-12 Component tests ...............................................................................................................	185
Table 2-13 1x500-sheet paper deck cross section .................................................................................	189
Table 2-14 3x500-sheet paper deck cross section .................................................................................	190
Table 2-15 3,500-sheet HCI cross section ............................................................................................	191
Table 2-16 Important information on the configuration pages .................................................................	220
Table 2-17 Reports menu ...................................................................................................................	221
Table 2-18 General Settings menu ......................................................................................................	223
Table 2-19 Copy Settings menu ..........................................................................................................	231
Table 2-20 Scan/Digital Send Settings menu .......................................................................................	238
Table 2-21 Fax Settings menu ............................................................................................................	250
Table 2-22 General Print Settings menu ...............................................................................................	263
Table 2-23 Default Print Options menu ................................................................................................	266
Table 2-24 Display Settings menu .......................................................................................................	268
Table 2-25 Manage Supplies menu ....................................................................................................	270
Table 2-26 Manage Trays menu .........................................................................................................	273
Table 2-27 Network Settings menu .....................................................................................................	275
Table 2-28 Jetdirect Menu ..................................................................................................................	275
Table 2-29 Troubleshooting menu .......................................................................................................	289
Table 2-30 Backup/Restore menu .......................................................................................................	293
Table 2-31 Calibration/Cleaning menu ...............................................................................................	294
Table 2-32 Print modes under the Adjust Paper Types sub menu .............................................................	429
Table 2-33 MP modes under the Optimize submenu .............................................................................	430
Table 2-34 Image defect examples .....................................................................................................	432
Table 2-35 Solve performance problems ..............................................................................................	445
Table 2-36 Send-fax messages ...........................................................................................................	465
Table 2-37 Receive-fax messages ........................................................................................................	466
Table B-1 Product dimensions and weights ...........................................................................................	486
Table B-2 Product dimensions with all doors and trays fully opened ........................................................	486
Table B-3 Operating-environment specifications ....................................................................................	486

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List of figures

Figure 1-1 Function structure ...................................................................................................................	2
Figure 1-2 Engine control system .............................................................................................................	4
Figure 1-3 DC controller PCA .................................................................................................................	5
Figure 1-4 Motor locations .....................................................................................................................	7
Figure 1-5 Fan locations ........................................................................................................................	9
Figure 1-6 Low-voltage power-supply PCA .............................................................................................	11
Figure 1-7 High-voltage power-supply PCA ............................................................................................	14
Figure 1-8 Fuser components ................................................................................................................	16
Figure 1-9 Fuser control system .............................................................................................................	17
Figure 1-10 Laser scanner system ..........................................................................................................	21
Figure 1-11 Image-formation system ......................................................................................................	23
Figure 1-12 Image-formation components ..............................................................................................	24
Figure 1-13 Image-formation process ....................................................................................................	25
Figure 1-14 Primary charging ...............................................................................................................	26
Figure 1-15 Laser-beam exposure .........................................................................................................	26
Figure 1-16 Developing .......................................................................................................................	27
Figure 1-17 Image transfer ...................................................................................................................	27
Figure 1-18 Separation from the drum ...................................................................................................	28
Figure 1-19 Fusing ..............................................................................................................................	29
Figure 1-20 Drum cleaning ..................................................................................................................	29
Figure 1-21 Toner cartridge components ................................................................................................	30
Figure 1-22 Drum discharge .................................................................................................................	31
Figure 1-23 Transfer roller cleaning ......................................................................................................	32
Figure 1-24 Pickup, feed, and delivery system ........................................................................................	33
Figure 1-25 Pickup, feed, and delivery system sensors and switches ..........................................................	34
Figure 1-26 Pickup, feed, and delivery-system solenoid and motors ...........................................................	36
Figure 1-27 Pickup-and-feed block ........................................................................................................	37
Figure 1-28 Cassette pickup mechanism ................................................................................................	38
Figure 1-29 Cassette lift operation ........................................................................................................	40
Figure 1-30 Cassette multiple-feed prevention .........................................................................................	41
Figure 1-31 MP tray pickup ..................................................................................................................	42
Figure 1-32 MP tray multiple-feed prevention ..........................................................................................	43

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Figure 1-33 Skew-feed prevention .........................................................................................................	45
Figure 1-34 Fuse and delivery block ......................................................................................................	47
Figure 1-35 Loop control ......................................................................................................................	48
Figure 1-36 Output bin media-full detection ............................................................................................	49
Figure 1-37 Product engine jam detection sensors and switches ................................................................	51
Figure 1-38 Document feeder path for single-sided documents ..................................................................	55
Figure 1-39 Document feeder path for two-sided documents .....................................................................	56
Figure 1-40 500-sheet paper feeder paper path .....................................................................................	57
Figure 1-41 500-sheet paper feeder signal flow .....................................................................................	58
Figure 1-42 500-sheet paper feeder motor locations ...............................................................................	58
Figure 1-43 500-sheet paper feeder pickup and feed components ............................................................	59
Figure 1-44 500-sheet paper feeder pickup and feed cassette pickup .......................................................	60
Figure 1-45 500-sheet paper feeder lift-up operation ...............................................................................	61
Figure 1-46 500-sheet paper feeder multiple-feed prevention ...................................................................	63
Figure 1-47 500-sheet paper feeder cassette jam detection sensor ............................................................	63
Figure 1-48 Paper deck paper path ......................................................................................................	66
Figure 1-49 Paper deck signal flow .......................................................................................................	67
Figure 1-50 Paper deck motors .............................................................................................................	69
Figure 1-51 Paper deck pickup-and-feed components ..............................................................................	70
Figure 1-52 Paper deck lift-up operation ................................................................................................	72
Figure 1-53 Paper deck jam detection sensors ........................................................................................	73
Figure 1-54 HCI paper path .................................................................................................................	75
Figure 1-55 HCI signal flow .................................................................................................................	76
Figure 1-56 HCI motors .......................................................................................................................	77
Figure 1-57 HCI pickup-and-feed operation ............................................................................................	78
Figure 1-58 HCI lift-up operation ..........................................................................................................	80
Figure 1-59 HCI jam detection sensors ..................................................................................................	82
Figure 1-60 Duplexer paper path ..........................................................................................................	84
Figure 1-61 Duplexer signal flow ..........................................................................................................	85
Figure 1-62 Duplexer motor .................................................................................................................	86
Figure 1-63 Duplexer fan .....................................................................................................................	87
Figure 1-64 Duplexer reverse-and-feed operation ....................................................................................	88
Figure 1-65 Duplexer side misregistration detection ................................................................................	90
Figure 1-66 Duplexer jam detection sensors ...........................................................................................	92
Figure 1-67 Stapler/stacker paper path .................................................................................................	94
Figure 1-68 Stapler/stacker signal flow .................................................................................................	95
Figure 1-69 Stapler/stacker motor locations ...........................................................................................	96
Figure 1-70 Stapler/stacker feed and delivery operation .........................................................................	98
Figure 1-71 Staple mode mode begins ................................................................................................	100
Figure 1-72 Jogger guide in the waiting position ..................................................................................	101
Figure 1-73 Alignment-alienation motor separates output rollers ..............................................................	102

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Figure 1-74 Jogger guide in the alignment position ...............................................................................	103
Figure 1-75 Leading end alienation roller activates ...............................................................................	103
Figure 1-76 Alignment complete .........................................................................................................	104
Figure 1-77 Jogger guide in the turnout position ...................................................................................	105
Figure 1-78 Paper stack goes to the output bin .....................................................................................	105
Figure 1-79 Paper stack goes to the output bin in stacker mode ..............................................................	106
Figure 1-80 Stapler/stacker jam sensors ..............................................................................................	107
Figure 1-81 Stapler components .........................................................................................................	109
Figure 2-1 Touchscreen blank, white, or dim (no image) ........................................................................	127
Figure 2-2 Touchscreen is slow to respond or requires multiple presses to respond ....................................	128
Figure 2-3 Touchscreen has an unresponsive zone ................................................................................	129
Figure 2-4 No control-panel sound ......................................................................................................	130
Figure 2-5 Home button is unresponsive ..............................................................................................	131
Figure 2-6 Hardware integration pocket (HIP) is not functioning (control panel functional) ..........................	132
Figure 2-7 Locating the engine-test-page switch .....................................................................................	136
Figure 2-8 Test the cartridge door switch .............................................................................................	142
Figure 2-9 Test the left door switch ......................................................................................................	143
Figure 2-10 Test the top sensor ...........................................................................................................	146
Figure 2-11 Fuser loop sensor ............................................................................................................	147
Figure 2-12 Fuser output sensor ..........................................................................................................	148
Figure 2-13 Duplex switchback sensor .................................................................................................	149
Figure 2-14 Duplexer refeed sensor ....................................................................................................	150
Figure 2-15 Tray 4 feed sensor ...........................................................................................................	151
Figure 2-16 Output sensor .................................................................................................................	152
Figure 2-17 Tray 1 paper sensor ........................................................................................................	155
Figure 2-18 Tray 2 paper sensor ........................................................................................................	156
Figure 2-19 Tray 2 paper surface sensor .............................................................................................	157
Figure 2-20 Tray 2 paper size switches ...............................................................................................	158
Figure 2-21 Tray 3 paper sensor ........................................................................................................	159
Figure 2-22 Tray 3 paper surface sensor .............................................................................................	160
Figure 2-23 Tray 3 paper size switches ...............................................................................................	161
Figure 2-24 Output bin full sensor .......................................................................................................	162
Figure 2-25 Tray 4 paper sensor ........................................................................................................	163
Figure 2-26 Tray 4 paper surface sensor .............................................................................................	164
Figure 2-27 Tray 4 paper size switches ...............................................................................................	165
Figure 2-28 Tray 4 feed sensor ...........................................................................................................	166
Figure 2-29 Lower right door sensor ....................................................................................................	167
Figure 2-30 Test the Tray 4 door switch ...............................................................................................	169
Figure 2-31 Tray 4 paper sensor ........................................................................................................	172
Figure 2-32 Tray 4 paper surface sensor .............................................................................................	173
Figure 2-33 Tray 4 paper size sensor ..................................................................................................	174

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Figure 2-34 Tray 4 paper feed sensor .................................................................................................	175
Figure 2-35 Tray 4 door open sensor ..................................................................................................	176
Figure 2-36 Tray 5 paper sensor ........................................................................................................	177
Figure 2-37 Tray paper surface sensor ................................................................................................	178
Figure 2-38 Tray 5 paper size sensor ..................................................................................................	179
Figure 2-39 Tray 5 feed sensor ...........................................................................................................	180
Figure 2-40 HCI exit sensor ................................................................................................................	181
Figure 2-41 Product cross section ........................................................................................................	187
Figure 2-42 Optional paper feeder (Tray 3 and Tray 4) cross section ......................................................	188
Figure 2-43 1x500-sheet paper deck cross section ................................................................................	189
Figure 2-44 3x500-sheet paper deck cross section ................................................................................	190
Figure 2-45 3,500-sheet HCI cross section ...........................................................................................	191
Figure 2-46 DC controller connections .................................................................................................	192
Figure 2-47 Base product external components ....................................................................................	194
Figure 2-48 1x500-sheet paper feeder external components ..................................................................	195
Figure 2-49 1x500-sheet paper deck external components ....................................................................	196
Figure 2-50 3x500-sheet paper deck external components ....................................................................	197
Figure 2-51 3500-sheet paper deck (HCI) external components ..............................................................	198
Figure 2-52 Duplexer external components ..........................................................................................	199
Figure 2-53 Stapler/stacker external components .................................................................................	200
Figure 2-54 Major component locations (1 of 3) ...................................................................................	201
Figure 2-55 Major component locations (2 of 3) ...................................................................................	202
Figure 2-56 Major component locations (3 of 3) ...................................................................................	202
Figure 2-57 PCA component locations .................................................................................................	203
Figure 2-58 Motor locations ...............................................................................................................	203
Figure 2-59 Fan locations ..................................................................................................................	204
Figure 2-60 Roller locations ...............................................................................................................	204
Figure 2-61 Sensor locations (base product) .........................................................................................	205
Figure 2-62 Switch locations (base product) .........................................................................................	206
Figure 2-63 Solenoid location (base product) .......................................................................................	207
Figure 2-64 Clutch location (base product) ...........................................................................................	207
Figure 2-65 1x500 paper feeder internal component locations ...............................................................	208
Figure 2-66 1x500 paper deck internal component locations .................................................................	209
Figure 2-67 3x500 paper deck internal component locations .................................................................	210
Figure 2-68 3500-sheet paper deck (HCI) internal component locations (1 of 2) .......................................	211
Figure 2-69 3500-sheet paper deck (HCI) internal component locations (2 of 2) .......................................	212
Figure 2-70 Stapler/stacker internal component locations ......................................................................	213
Figure 2-71 General timing chart ........................................................................................................	214
Figure 2-72 General circuit diagram (1 of 2) .......................................................................................	215
Figure 2-73 General circuit diagram (2 of 2) .......................................................................................	216
Figure 2-74 Configuration page .........................................................................................................	218

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