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HP LaserJet M9040/M9050 Service Manual - Page 74

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5. Adjust the left paper guide by pressing the tab on the guide, and slide the guide until it gently touches the paper. Figure 3-12 Load undetectable standard-size paper in Trays 2, 3, and 4 (3 of 6) 6. Adjust the front paper guide by pressing the tab on the guide, and slide the guide until it gently touches the paper. Figure 3-13 Load undetectable standard-size paper in Trays 2, 3, and 4 (4 of 6) NOTE: When loading Tray 4, make sure that the paper guide lock is in the up position. 7. Set the Custom/Standard switch to Custom. Figure 3-14 Load undetectable standard-size paper in Trays 2, 3, and 4 (5 of 6) 8. Close the tray. The product control panel might show the tray media type and size. If the configuration is not correct, touch Modify on the control panel. If the configuration is correct, touch OK. Figure 3-15 Load undetectable standard-size paper in Trays 2, 3, and 4 (6 of 6) Load custom media in Trays 2, 3, and 4 56 Chapter 3 Paper and print media ENWW

Section	Page
Product basics	19
Product introduction	20
Product features	21
Product walkaround	25
Output devices	26
3,000-sheet stacker	26
3,000-sheet stapler/stacker	26
Paper handling features	26
Stapling information	26
Multifunction finisher	26
Paper handling features	26
Stapling information	27
Booklets	27
8-bin mailbox	28
Control panel	29
Use the control panel	30
Control-panel layout	30
Home screen	31
Buttons on the touchscreen	32
Control-panel help system	32
Use the Administration menu	33
Navigate the Administration menu	33
Information menu	34
Default Job Options menu	35
Default Options for Originals	35
Default Copy Options	36
Default Fax Options	37
Default E-mail Options	38
Default Send to Folder Options	39
Default Print Options	40
Time/Scheduling menu	41
Management menu	43
Initial Setup menu	44
Networking and I/O	44
Fax Setup	52
E-mail Setup	55
Send Setup menu	55
Device Behavior menu	56
Print Quality menu	60
Troubleshooting menu	62
Resets menu	64
Service menu	64
Paper and print media	65
Understand paper and print media use	66
Supported paper and print media sizes	67
Custom paper sizes	68
Special paper or print media guidelines	69
Load paper and print media	70
Load Tray 1	70
Load Trays 2, 3, and 4	71
Configure trays	77
Configure a tray when loading media	77
Configure a tray by using the Supplies Status button on the touchscreen	77
Select the media by source, type, or size	77
Source	78
Type and Size	78
Select the output bin	79
Select an output location	80
Printing	80
Copying	80
Manage and maintain	81
Information pages	82
Embedded Web server	84
Open the embedded Web server by using a network connection	84
Embedded Web server sections	85
HP Easy Printer Care	88
Supported operating systems	88
Open the HP Easy Printer Care software	88
HP Easy Printer Care software sections	88
Use HP Web Jetadmin software	91
HP Printer Utility for Macintosh	92
Open the HP Printer Utility	92
Print a cleaning page	92
Print a configuration page	92
View supplies status	93
Order supplies online and use other support features	93
Upload a file to the product	93
Update the firmware	94
Activate the two-sided printing (duplexing) mode	94
Lock or unlock storage devices	94
Save or print stored jobs	94
Configure trays	95
Change network settings	95
Open the embedded Web server	95
Set up e-mail alerts	96
Security features	97
Secure the embedded Web server	97
Secure Disk Erase	97
Data affected	97
Gain access to Secure Disk Erase	98
Additional Information	98
Security lock	98
Authentication	98
Lock the control-panel menus	98
Set the real-time clock	100
Clean the product	101
Print a cleaning page	101
Clean the product hardware	101
Clean the ADF delivery system	103
Configure alerts	108
Manage supplies	109
HP print cartridges	109
Non-HP print cartridges	109
Print cartridge authentication	109
HP fraud hotline	109
Print cartridge storage	109
Print cartridge life expectancy	110
Check the print cartridge life	110
Control panel	110
Embedded Web server	110
HP Easy Printer Care	110
HP Web Jetadmin	110
Printer maintenance kit	111
Manage memory	112
Determine memory requirements	112
Install memory	112
Verify memory installation	115
Economy settings	116
Sleep and wake	116
Theory of operation	117
Basic operation	118
Sequence of operation	119
Product start up sequence (turn on product)	121
Timing chart	122
Scanner subsystem	123
Mechanical structure	123
Motors and fans	124
Basic block diagram	125
Basic system configuration	126
Scanner unit systems	126
Scan mode	127
Power supply assembly	127
Sleep mode	128
Low-voltage power supply circuit	129
Protective functions	130
Scanner controller circuit	131
Flatbed operation	133
Flatbed document exposure control	133
Flatbed optical drive control	133
Flatbed optical unit operation	134
Flatbed document size detection	135
Sensor names	135
Functions operation	135
ADF angle detection	137
ADF operation	137
ADF document exposure control	137
ADF document feed control	138
ADF document feed control terminology	138
Pickup and feed operation	139
Pickup roller home position control operation	140
ADF document size detection	140
ADF document size detection terminology	140
ADF feeder sensors	141
ADF document skew detection	141
Scanned data flow	142
Copy processor	143
Scanning process control signals	144
Typical scanning process flow	145
Engine control system	146
DC controller PCA	147
High-voltage power supply circuit	148
Low-voltage power supply	150
Fuser control circuit	150
Formatter system	152
Formatter hardware	152
Laser/scanner system	153
Image formation system	154
The image formation process	154
Print cartridge	155
Print cartridge design	156
No-shake toner	156
Cartridge memory	156
Toner seal	156
Toner level detection	157
Pickup and feed system	158
Media-size detection	158
Media-level detection	158
Multifeed prevention	158
Transparency media detection	158
Fuser-wrapping jam detection	158
Jam detection	159
Tray 1	164
Tray 1 driver PCA	164
Tray 1 power supply	164
Tray 1 sequence of operation	164
Tray 1 pickup and feed	165
Tray 1 jam detection	165
Tray 4	166
Tray 4 driver PCA	166
Tray 4 power supply	166
Tray 4 sequence of operation	166
Tray 4 pickup and feed	167
Tray 4 media level and media size detection	167
Tray 4 jam detection	167
Removal and replacement	169
Removal and replacement strategy	170
Repair notices	170
Electrostatic discharge	171
Required tools	171
Product orientation	172
Front and right side orientation	172
Back and left side orientation	173
Scanner assembly covers	174
Control panel	174
Reinstall the control panel	175
ADF feeder cover	175
Reinstall the ADF feeder cover	176
ADF feeder cover handle	177
ADF back cover	177
ADF front cover	179
Lower delivery roller cover	179
Reinstall the delivery roller cover	180
White board cover	180
Copy processor/connect board	181
Reinstall the copy processor/connect board	182
Flatbed rail cover	182
Flatbed back cover	182
Flatbed right cover	184
Reinstall the flatbed right cover	184
Flatbed left cover	185
Flatbed upper front cover	186
Flatbed lower front cover	186
ADF base cover assembly	187
Reinstall the ADF base cover assembly	191
Scanner glass	192
Reinstall the scanner glass	193
Scan engine internal assemblies	194
ADF and flatbed internal assemblies	194
ADF main assembly	194
Reinstall the ADF main assembly	199
ADF optical assembly	199
Reinstall the ADF optical assembly	206
ADF shading filter	206
Flatbed optical unit	208
Reinstall the flatbed optical unit	211
Switch and solenoids	211
ADF feeder cover detection switch	211
Weight solenoid	212
Shutter solenoid	213
Motors and fans	214
Pickup motor	214
Reinstall the pickup motor	214
Delivery motor	215
Reinstall	215
Flatbed motor	216
Reinstall the flatbed motor	217
Power supply assembly	217
Reinstall power supply assembly	220
ADF fan assembly	220
Reinstall the ADF fan assembly	221
Flatbed fan assembly	221
Rollers and belts	222
Pickup roller (D roller)	222
Pickup roller assembly	222
Reinstall the pickup roller assembly	223
Feed roller assembly	223
Lower registration roller assembly	224
Reinstall the lower registration assembly	230
Lower delivery roller	230
Reinstall the lower delivery roller	231
Upper delivery roller assembly	231
Reinstall the upper delivery roller assembly	232
Separation belt assembly	232
Reinstall the separation belt assembly	235
Separation belts	235
Reinstall the separation belts	237
PCAs	237
ADF intermediate PCA	237
ADF width detection sensor assembly	238
Reinstall the ADF width detection sensor assembly	238
Flatbed intermediate PCA	239
Scanner controller board	240
Intermediate PCA	242
Scan engine	243
Reinstall the scan engine	247
Laser/scanner assembly	248
Delivery fan assembly	249
Delivery motor	251
Print engine covers	252
Front cover	252
Right door	253
Right lower cover	254
Left upper cover	254
Reinstall the left upper cover	255
Left door and diverter	256
Left back cover	256
Back cover	257
Right and left rail covers	258
Front assemblies	259
Cartridge release lever	259
Print cartridge	260
Reinstall the print cartridge	261
Transfer-roller assembly	261
Reinstall the transfer-roller assembly	262
Tray 2 and Tray 3 (interchangeable)	262
Rollers (pickup, feed, or separation)	263
Fuser-jam-removal knob	263
Reinstall the fuser-jam-removal knob	264
Registration-jam-removal knob	264
Reinstall the registration-jam-removal knob	265
Right assemblies	266
Tray 1	266
Paper-input unit (PIU)	267
Reinstall the paper-input unit	270
Registration assembly	270
Reinstall the registration assembly	271
Transfer-guide assembly	271
Reinstall the transfer-guide assembly	272
Left assemblies	273
Duplexer	273
Fuser assembly	274
Back assemblies	276
Formatter	276
Low-voltage power supply	277
High-voltage power supply	279
DC controller	280
Toner-sensor contact assembly	282
Reinstall the toner-sensor contact assembly	283
Drum motor	283
Feed-drive assembly	284
Reinstall the feed-drive assembly	285
Power-supply fan (fan 1)	285
Cartridge fan (fan 5)	286
Reinstall the cartridge fan	288
Controller fan (fan 2)	288
Jetlink connector	289
Duplexer connector holder assembly	290
Fuser delivery-drive assembly	291
Reinstall the fuser delivery assembly	293
Tray 4	294
Orientation	294
Tray 4 left side cover	294
Reinstall the Tray 4 left side cover	294
Tray 4 right side cover	295
Reinstall the Tray 4 right side cover	295
Tray 4 back covers	296
Tray 4 center back cover	296
Tray 4 right back cover	296
Tray 4 left back cover	296
Tray 4	297
Tray 4 rollers (pickup, feed, and separation)	297
Reinstall the Tray 4 rollers	298
Tray 4 registration assembly	298
Tray 4 drive motor	299
Tray 4 drive assembly	300
Tray 4 controller board	301
Paper-size detection switch PCA	302
Reinstall the paper-size switch PCA	303
Tray 4 power supply	303
Tray 4 pickup assembly	304
Tray 4 paper-connecting unit	306
Solve problems	307
Troubleshooting process	308
Preliminary operating checks	308
Installation environment	308
Media checks	309
Scanner and ADF checks	309
General troubleshooting information	310
Abnormal noises are evident, such as grinding or chattering when the main motor is turned on	310
Media does not feed from Tray X when printing from a software program; the paper-path test is succes ...	310
Media does not print from Tray 4	310
The product stops printing and hangs on certain jobs	311
Envelopes are wrinkling	311
Fusing is poor	311
The product feeds from an incorrect tray when different media is selected for the first page of the ...	311
Power-on checks	313
Malfunction troubleshooting	314
Troubleshooting by using control-panel messages	315
Event log page	315
Print the event log	315
Interpret the event log	315
Sample event log	316
View the event log	316
Control-panel error messages	317
User- and service-level diagnostics	340
Copy processor LEDs	340
Troubleshooting menu	341
Paper-path test	342
Print a paper-path test	342
Service test	342
Perform a service test	342
Service-level diagnostics	344
Engine test	344
Service menu	344
Other diagnostics	348
Boot-up key sequences	348
Low-level boot-up key sequence for selecting a language, performing a cold reset, and enabling and d ...	349
Medium-level boot-up key sequence for initializing disks	349
High-level boot-up key sequence for NVRAM initialization, manufacturing, and skipping disk-load and ...	349
Drum rotation functional check	350
Calibrations	350
Control panel touchscreen calibration	351
Simplified scanner and ADF calibration	351
ADF calibrations	354
Left side front calibration	354
Left side back calibration	356
Leading edge front calibration	357
Leading edge back calibration	358
ADF plain scaling calibration	358
ADF heavy scaling calibration	359
Glass calibrations	359
Left side glass calibration	359
Leading edge glass calibration	360
Glass scaling calibration	361
Plain motor speed calibration	361
Measurement and adjustment	363
ADF unit height adjustment	363
ADF skew adjustment	364
ADF width sensor adjustment	366
Weight solenoid stroke adjustment	366
Tray 4 diagnostics	367
Motor test	367
Standalone running test	367
Sensor test	368
Light-pattern interpretation	368
Clear jams	370
Jam locations	370
ADF jams	371
Clear jams from the duplexer	372
Clear jams from the input-tray areas	374
Clear jams from the output areas	377
Solve repeated jams	390
Image-formation troubleshooting	391
Print image defects	391
Print/stop test	392
Economode	392
Skew	393
Copy-image defects	393
Scanner controller PCA	395
Connector locations	397
Electrical structure	398
Wiring diagrams	399
Image-defect tables	401
Repeating defect ruler	409
Media troubleshooting	410
Determine the problem source	410
Isolate the paper path	410
Try using the straightest paper path	410
Check the duplexing path	410
Isolate the source of a jam	410
Determine the location of a jam	410
Determine whether the product is experiencing misfeeds or multifeed jams	410
Isolate a media brand	411
Isolate a media type	411
Communication troubleshooting	412
Communications check	412
EIO troubleshooting	412
Jetdirect configuration	412
Embedded LAN troubleshooting	412
Error codes	413
LAN diagnostics	413
Loopback test	413
Ping test	413
Enable or disable the embedded LAN	414
Hard-failure troubleshooting for the embedded LAN	415
Connectivity problems	416
Save + Restore	416
Wiring diagrams	417
Parts and diagrams	421
Order parts, accessories, and supplies	423
Supplies part numbers	424
Consumables, supplies, accessories, FRUs, and documents	424
Common hardware	427
Illustrations and parts lists	428
Scanner assembly	430
Scanner engine covers and panels	432
Print engine covers and panels	436
Flatbed scanner assembly	438
Flatbed optical assembly	444
ADF scanner assembly	448
ADF paper pickup assembly	452
ADF main assembly	458
ADF optical assembly	462
Scanner engine PCAs	464
Left door and diverter	466
Right cover assembly	468
Print engine internal components	470
Drum feed drive assembly	478
Fuser delivery drive assembly	480
Cartridge lifter assembly	482
500-sheet trays (Tray 2 and Tray 3)	484
Paper input unit	486
Registration assembly	488
Transfer roller assembly	490
Delivery assembly	492
PCA locations	494
Tray 4 main body	496
Tray 4 drive assembly	500
Tray 4 PCA location	502
Tray 1 assembly	504
Alphabetical parts list	506
Numerical parts list	530
Service and support	555
Hewlett-Packard limited warranty statement	555
Customer self repair warranty service	556
Print cartridge limited warranty statement	557
HP Customer Care	558
Online Services	558
Telephone support	558
Software utilities, drivers, and electronic information	558