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HP Color LaserJet Enterprise CM4540 Service Manual - Page 504

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Circuit diagrams Figure 3-72 General circuit diagram (1 of 2) 6 5 TH4 2 1 21 12 J82L J82DH J82D 2 1 J81L J81DH 12 J81D TA G (Bk) TA G (C) TAG (M) TO IPTU & SS J85DH 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 J85D TAG (Y) SR9 J19 1 23 4 SR7 J46 LED5 LED6 LED7 LED8 SR6 J47 123 123 J60L 11 10 9 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 10 11 J60D J60DH GND SCN_TH IPTUCMD IPTUSTS IPTUCLK +3.3V GND +3.3V GND GND +24V A +24V A +24V A +24V A GND JLPWRON GND CAN_L CAN_H GND +24V A OPT_EX Z VSS4 VIN VSS3 VIN VSS2 VIN VSS1 VIN ITBHPSNS SGND 3.3VS PAPFUL L SGND 3.3VS FPRESS SGND 3.3VS PREEXP 1 +5VB PREEXP 2 +5VB PREEXP 3 +5VB PREEXP 4 +5VB M9 M 14 13 12 11 10 9 8 7 6 5 4 3 2 1 J107 M8 M SR11 4321 J10 8 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 J115 Laser Scanner Unit (Y/M) J501 23 21 J103 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 J106 87654321 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 J126 J128 DC Controller PCA J71L J71LH J71D 4321 4321 4321 J40 4321 4321 4321 J41 J72L J72LH J72D 24VA /SCN1ACC /SCN1DEC PGND 24VA /SCN2ACC /SCN2DEC PGND 3.3V S SGND DEVHP 321 321 321 J42 J87L J87D J87LH 1 /BD21 23 2 LD1PDOUT 22 3 /VDO12O 21 4 VDO12O 20 5 LD1CTRL2 19 6 LD1CTRL1 18 7 LD1CTRL0 17 8 /VDO11O 16 9 VDO11O 15 10 5VC 14 11 SGND 13 12 L_LOW_PWR 12 13 LD2PDOUT 11 14 SGND 10 15 /VDO2 2 9 16 VDO2 2 8 17 LD2CTRL2 7 18 LD2CTRL1 6 19 LD2CTRL0 5 20 /VDO21 4 21 VDO21 3 22 SGND 2 23 5VC 1 1 /BD41 23 2 LD3PDOUT 22 3 /VDO32 21 4 VDO32 20 5 LD3CTRL2 19 6 LD3CTRL1 18 7 LD3CTRL0 17 8 /VDO31 16 9 VDO31 15 10 5VC 14 11 SGND 13 12 L_LOW_PWR 12 13 LD4PDOUT 11 14 SGND 10 15 /VDO42 9 16 VDO42 8 17 LD4CTRL2 7 18 LD4CTRL1 6 19 LD4CTRL0 5 20 /VDO41 4 21 VDO41 3 22 SGND 2 23 5VC 1 FAN1PWM FAN1LK PGND 321 J153 11 10 9 8 7 6 5 4 3 2 1 J112 J111 23 J110 23 J114 29 J116 21 654321 J113 M13 M M10 M SL2 SL 21 21 M11 M SGND 24VB PGND 5VB PGND 24VB 21 /HVRESET2 21 20 HVDALD2 20 19 HVDACLK2 19 18 HVDATA 2 18 17 1TR1S 17 16 1TR2S 16 15 1TR4S 15 14 1TR3S 14 13 HVTCLK 13 12 2TRS 12 11 2TRCNT 11 10 /2TRNCNT 10 9 DUPMPHB 9 8 DUPMI0B 8 7 DUPMI1B 7 6 DUPMIDWN 6 5 DUPMI1A 5 4 DUPMI0A 4 3 DUPMPHA 3 2 DUPSL 2 1 2TRCKL 1 654321 J201 J200 21 654321 J202 J69DH J69D J69L 21 DUP_SL +24VB DUPM_/B DUPM_B DUPM_/A DUPM_A J39 4321 HVT -T 4321 J261 4321 DEVMOUT1B DEVMOUT0A DEVMOUT1A DEVMOUT0B J38 10 9 8 7 6 5 4 3 2 1 J251 4321 FEEDMOUT0A FEEDMOUT1A FEEDMOUT1B FEEDMOUT0B J37 1 FAN5LK 1 2 DEVMPHB 2 3 DEVMI0B 3 4 FAN2LK 4 5 DEVMI0A 5 6 FAN2PWM 6 7 DEVMPHA 7 8 RTS4SNS 8 9 FEEDMPHB 9 10 RTS3SNS 10 11 FEEDMI0B 11 12 RTS2SNS 12 13 FEEDMI1B 13 14 RTS1SNS 14 15 FEEDMIDWN15 16 WTSSNS 16 17 FEEDMI1A 17 18 TONLED 18 19 FEEDMI0A 19 20 /DEV4CNT 20 21 FEEDMPHA 21 22 /DEV3CNT 22 23 /HVRESET 23 24 /DEV2CNT 24 25 HVDALD 25 26 /DEV1CNT 26 27 HVDACLK 27 28 HVTCLK 28 29 HVTDA TA1 29 4321 J260 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 J263 J250 29 321 FM4 321 321 J79H J79D J79L GND FAN5LK +24V SR25 SR24 SR23 PSNS_PCB 321 J264 321 FM2 321 321 HVT-D J65DH J65D J65L TCU FULL SNS 12 11 10 9 8 7 6 5 4 3 2 1 GND FAN2LK +24V WTSLED +5V WTSSNS +5V RT1_S GND +5V RT2_S GND +5V RT3_S GND +5V RT4_S GND J66DH J66D 321 321 321 321 7654321 J66L J1D J1DH J1L 321 321 J2D J2DH J2L 321 321 J3D J3DH J3L 12 11 10 J68DH J68D J68L 321 321 J4D J4DH J4L M7 RD-SNS RD-SNS EN -VSNS J36 J55DA A4 M J55D J55DB 21 SW4 4321 TONER EMP SW6 2 J57LH J34 J57L J57D 4 3 21 4321 CSTSIZE0 SGND CSTSIZE1 J56D J56L CSTSIZE2 J56DH +24VB 21 LUON PGND 5 +24VA 4 SGND 3 3.3V 2 INPOPTMG 1 INPOPCLK 4 INPOPI N 3 INPOPOT 2 1 B5 4321 4321 J67L J58D 4321 I2CSCK SGND I2CSD A J67DH J67D 3.3V 24 VA 24 VA PGND PGND 24VB 24VB PGND PGND SGND 5VB 3.3VS SGND CSTPEDN CSTPS2 CSTPS1 54321 J58L J58LH J59H J59L J59D 24VB CSTSL 21 54321 SL4 SL 21 21 14 13 12 11 10 9 8 7 6 5 4 3 2 1 14 13 12 11 10 9 8 7 6 5 4 3 2 1 7654321 J510 RDSRGAIN0 RDSRGAIN1 RDSRLED DSRSR DSRDR +5VB SGND SGND +5VB DSFDR DSFSR RDSFLED RDSFGAIN1 RDSFGAIN0 J83L J83D J83DH 87654321 J511 J43 1 SGND RDOORSN S 21 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 J130 Laser Scanner Unit (C/Bk) J503 23 FM1 321 21 J147 452 Chapter 3 Solve problems ENWW

Section	Page
Theory of operation	53
Basic operation	54
Sequence of operation	56
Engine-control system	57
DC controller	58
Solenoids	58
Clutches	59
Switches	59
Sensors	60
Motors	61
Fans	62
High-voltage power supply	64
Low-voltage power supply	66
Overcurrent/overvoltage protection	67
Safety	67
Voltage detection	67
Sleep (powersave) mode	67
Low-voltage power supply failure	68
Fuser control	68
Fuser temperature control	69
Fuser sleeve temperature protection	69
Failure detection	71
Fuser unit identification	71
Fuser unit life detection	72
Laser/scanner system	73
Laser/scanner failure	74
Protective-glass cleaners	74
Image-formation system	76
Image-formation process	78
Step 1: Pre-exposure	79
Step 2: Primary charging	79
Step 3: Laser-beam exposure	80
Step 4: Development	80
Step 5: Primary transfer	81
Step 6: Secondary transfer	81
Step 7: Separation	82
Step 8: Fusing	82
Step 9: ITB cleaning	83
Step 10: Drum cleaning	83
Print cartridge	83
Developing-roller engagement and disengagement	85
Intermediate transfer belt (ITB) unit	86
Primary-transfer-roller engagement and disengagement	87
ITB cleaning	89
Calibration	89
Color-misregistration control	90
Image-stabilization control	91
Pickup, feed, and delivery system	92
Pickup-and-feed unit	96
Cassette pickup	96
Cassette-presence detection	97
Cassette lift operation and cassette paper-presence detection	98
Cassette multiple-feed prevention	99
Multipurpose tray pickup	99
Paper feed	100
Skew-feed prevention	102
Paper detection	102
Feed speed control	103
Fusing and delivery unit	104
Loop control	104
Pressure-roller pressurization control	106
Duplexing unit	107
Duplexing reverse and feed control	107
Duplex print operation	108
Jam detection	110
Optional paper feeders	113
Motor control	115
Paper-feeder pickup and feed operation	116
Paper-size detection and cassette-presence detection	118
Paper-feeder cassette lift operation	119
Paper feeder jam detection	120
Document feeder/scanner assembly	122
Scanner subsystem	122
Document feeder/scanner motor and fan control	123
Legal detection sensor sequence	124
Fan timing sequence	124
Optical assembly operation	125
Image data path	125
Document feeder/scanner paper path and sensors	126
Document feeder pick mechanism	127
3-bin stapling mailbox	128
Motor control	130
Failure detection	131
Delivery operation	132
Staple operation	133
Stapler	138
Output bin 3 lift operation	139
Stacker mode	140
Mailbox/job separator mode	141
Jam Detection	142
Automatic Delivery	143
Removal and replacement	145
Introduction	146
Removal and replacement strategy	146
Electrostatic discharge	147
Required tools	147
Before performing service	148
After performing service	148
Post-service test	149
Print-quality test	149
Parts removal order	150
Customer self repair (CSR) components	152
Control panel	152
Print cartridges	155
Toner-collection unit	156
Formatter PCA	158
Fax card	159
Remove the fax card	159
Hard drive	160
Remove the hard drive	160
Tray	163
Fuser	164
Feed and separation rollers (Trays 2-5)	165
Pickup roller (Tray 1)	166
Reinstalling the pickup roller (Tray 1)	169
Secondary transfer roller	170
Reinstall the transfer roller	171
Intermediate transfer belt (ITB)	172
Standard output bin	175
Output bin bezel	176
Remove the output bin bezel	176
ASY-TRY-F-BASE-SP (document feeder tray extender)	176
ASY-CVR-FE-PICK-SP (pickup roller cover)	177
ASY-ROL-FE-FEED-SP (pickup roller)	177
ASY-HLD-REV-PAD-SP (pickup roller pad) and ASY-SP-REV-SPR (spring)	178
External panels, covers, and doors	179
Identification and location	179
S-CVR-REAR (scanner rear cover)	180
ASY-CVR-F-SP (document feeder front cover)	181
ASY-CVR-F-R-SP (document feeder rear cover)	183
S-CVR-LEFT (scanner left cover)	185
Fan cover	186
Remove the fan cover	187
Lower-left cover	188
Left cover	189
Remove the left cover	189
Right-front cover	190
Remove the right-front cover	190
Reinstall the power button	191
Front-door assembly	192
Remove the front-door assembly	192
Right-rear cover	195
Remove the right-rear cover	195
Rear cover	196
Remove the rear cover	196
Right-door assembly	197
Document feeder	202
ASY-LVR-FE-EMP-SP (paper present flag)	202
Document feeder	203
Remove the document feeder	203
Reinstall the document feeder	204
ASY-CVR-FE-FEED-SP (document feeder jam-access cover)	205
Remove the ASY-CVR-FE-FEED-SP (document feeder jam-access cover)	205
ASY-TRY-SP (tray assembly)	207
Remove the ASY-TRY-SP (tray assembly)	207
ASY-FRM-RE-FEED-SP (internal assembly)	209
Remove ASY-FRM-RE-FEED-SP (internal assembly)	209
ASY-PBA-RELAY-SB (document feeder PCA)	211
Remove the ASY-PBA-RELAY-SB (document feeder PCA)	211
ASM-IF-SP (document feeder cable)	212
Remove the ASM-IF-SP (document feeder cable)	213
ASY-HNG-L-SP (document feeder left hinge)	214
Remove the ASY-HNG-L-SP (document feeder left hinge)	214
ASY-HNG-R-SP (document feeder right hinge)	215
Remove the ASY-HNG-R-SP (document feeder right hinge)	215
ASY-FAN-SP (document feeder fan)	216
Remove the ASY-FAN-SP (document feeder fan)	216
ASY-MOT-FE-SP (motor)	217
Remove the ASY-MOT-FE-SP (motor)	217
ASY-MOT-RE-SP (document feeder motor)	218
Remove the ASY-MOT-RE-SP (motor)	218
ASY-DFSENS-SP (document feeder open sensor)	219
Remove the ASY-DFSENS-SP (document feeder open sensor)	219
ASY-GIDREV-SPR-SP (document feeder jam access plate)	220
Remove the ASY-GIDREV-SPR-SP (document feeder jam access plate)	220
ASY-BASE_SB (base assembly)	221
Remove the ASY-BASE_SB (base assembly)	221
Scanner	222
Scanner filter cover and scanner filter	222
Scanner assembly	223
Remove the scanner	223
Scissor hinge assemblies	226
S-ASSY-CP-ADAPTER (CP adapter assembly)	228
Remove the S-ASSY-CP-ADAPTER (CP adapter assembly)	228
S-PBA-SCB (SCB)	231
Remove the S-PBA-SCB (SCB)	231
S-ASM-USB (USB control panel cable)	233
Remove the S-ASM-USB (USB control panel cable)	233
S-HNG-LIFT-R (scanner release assembly)	235
Remove the S-HNG-LIFT-R (scanner release assembly)	235
S-ASSY-UPPER-UNIT (tub top)	236
Remove the S-ASSY-UPPER-UNIT (tub top)	236
S-PBA-TYUKEI (interconnect board) and S-SNS-EY3A1061–2 (size sensor)	237
Remove the S-PBA-TYUKEI (interconnect board) and S-SNS-EY3A1061–2 (size sensor)	237
S-ASSY-INV (inverter)	240
Remove the S-ASSY-INV (inverter)	240
S-FAN-MFB-30E-05A-006 (inverter fan)	242
Remove the S-FAN-MFB-30E-05A-006 (inverter fan)	242
ASSY-CRG-UNIT-IR4068 (optical assembly)	243
Remove the ASSY-CRG-UNIT-IR4068 (optical assembly)	243
S-ASSY-MOTOR-UNIT (motor assembly)	247
Remove the S-ASSY-MOTOR-UNIT (motor assembly)	247
S-FAN-D06037600G-001 (scanner fan)	249
Remove the S-FAN-D06037600G-001 (scanner fan)	249
Internal assemblies	251
IPTU	251
Remove the IPTU	251
Cassette feed guide	254
Secondary transfer assembly	256
Reinstall the secondary transfer assembly	257
Separation pad (Tray 1)	258
Remove the separation pad (Tray 1)	258
Registration density (RD) sensor assembly	261
Remove the RD sensor assembly	261
Registration assembly	265
Remove the registration assembly	266
Residual-toner-feed motor	270
Remove the residual-toner-feed motor	270
Residual-toner duct and feed assembly	271
Remove the residual-toner duct and feed assembly	271
Cartridge fan and environmental sensor	274
Remove the cartridge fan and environmental sensor	274
Toner-collection sensor and scanner-thermistor assembly	278
Remove the toner-collection sensor and scanner-thermistor assembly	278
Delivery fan	280
Remove the delivery fan	280
Intermediate cover and duplexing gear cover	281
Remove the Intermediate cover and duplexing gear cover	281
Delivery assembly	283
Remove the delivery assembly	283
Reinstall the delivery assembly	286
Duplex-drive assembly	287
Remove the duplex-drive assembly	287
Power-supply fan	288
Remove the power-supply fan	288
Image scanner power supply unit (PSU)	289
Remove the image scanner supply unit (PSU) and fan	290
Interconnect board (ICB)	291
Remove the ICB	291
DC controller PCA only	293
Remove the DC controller PCA only	293
Low-voltage power supply (LVPS)	295
Remove the low-voltage power supply	295
DC controller PCA and tray	300
Remove the DC controller PCA and tray	300
High-voltage power supply lower (HVPS-D)	302
Remove the high-voltage power supply lower	302
Reinstall the high-voltage power supply lower	306
Developing-disengagement motor	307
Remove the developing-disengagement motor	307
Exhaust fan and fan duct	308
Remove the exhaust fan and fan duct	308
Reinstall the exhaust fan and fan duct	310
Pickup motor	311
Remove the pickup motor	311
Lifter-drive assembly	312
Remove the lifter-drive assembly	313
Lifter base assembly	315
Remove the lifter base assembly	315
Reinstall the lifter base assembly	316
Tray-pickup drive assembly	318
Remove the tray-pickup drive assembly	318
Tray-pickup assembly	320
Remove the tray-pickup assembly	321
Laser/scanner assembly (Y/M)	327
Remove the laser/scanner assembly (Y/M)	328
Laser/scanner assembly (C/Bk)	331
Remove the laser/scanner assembly (C/Bk)	332
Reinstall the protective glass cleaner (PGC) actuators	335
High-voltage power supply upper (HVPS-T)	338
Remove the high-voltage power supply upper	338
Reinstall the high-voltage power supply upper	340
Yellow, magenta, cyan, and black drum motors	341
Remove the yellow, magenta, cyan, and black drum motors	341
Fuser motor	342
Remove the fuser motor	343
ITB motor	344
Remove the ITB motor	344
Main-drive assembly	345
Remove the main-drive assembly	346
Reinstall the main-drive assembly	350
Optional paper feeder assemblies (1 x 500-sheet and 3 x 500-sheet)	355
Front door (optional paper feeder)	355
Rear cover (optional paper feeder)	357
Right-front cover (optional paper feeder)	358
Right door (optional paper feeder)	359
Left cover (optional paper feeder)	361
Remove the left cover (optional paper feeder)	361
Right cover (optional paper feeder)	363
Remove the right cover (optional paper feeder)	363
Rear-right cover (optional paper feeder)	364
Remove the rear-right cover (optional paper feeder)	364
Pickup assembly (optional paper feeder)	365
Remove the pickup assembly (optional paper feeder)	365
Lifter assembly (optional paper feeder)	368
Remove the lifter assembly (optional paper feeder)	368
Lifter-drive assembly (optional paper feeder)	369
Remove the lifter-drive assembly (optional paper feeder)	369
Pickup motor assembly (optional paper feeder)	370
Remove the pickup motor (optional paper feeder) assembly	370
Controller PCA (optional paper feeder)	371
Remove the controller PCA (optional paper feeder)	371
Optional 500-sheet paper feeder assembly	373
Rear cover (500-sheet paper feeder)	373
Right-front cover (500-sheet paper feeder)	373
Left cover (500-sheet paper feeder)	374
Remove the left cover (500-sheet paper feeder)	374
Right cover (500-sheet paper feeder)	375
Remove the right cover (500-sheet paper feeder)	375
Front cover (500-sheet paper feeder)	376
Pickup assembly (500-sheet paper feeder)	377
Remove the pickup assembly (500-sheet paper feeder)	377
Lifter assembly (500-sheet paper feeder)	380
Remove the lifter assembly (500-sheet paper feeder)	380
Reinstall the lifter assembly	381
Reinstall the lifter assembly	381
Lifter-drive assembly (500-sheet paper feeder)	382
Remove the lifter-drive assembly (500-sheet paper feeder)	382
Pickup motor assembly (500-sheet paper feeder)	383
Remove the pickup motor (500-sheet paper feeder) assembly	383
Controller PCA (500-sheet paper feeder)	384
Remove the controller PCA (500-sheet paper feeder)	384
Stapling mailbox	385
Stapling mailbox front cover	385
Stapling mailbox rear cover	386
Stapling mailbox door	387
Holder connector	387
Remove the holder connector	388
Top cover	389
Remove the top cover	389
Output bin 3	390
Stapling mailbox PCA	392
Stapler assembly	395
Remove the stapler assembly	395
Stamp solenoid	396
Remove the stamp solenoid	396
Output bin sensor PCA	398
Remove the output bin sensor PCA	398
Stacking panel	400
Remove the stacking panel	400
Jogger assembly	402
Remove the jogger assembly	402
Flapper guide assembly	404
Remove the flapper guide assembly	405
Flapper assembly	406
Remove the flapper assembly	407
MBM output bin assembly	408
Remove the MBM output bin assembly	408
Output bin 3 drive assembly	410
Remove the output bin drive assembly	410
Output bin solenoid	413
Remove the output bin solenoid	413
Solve problems	415
Solve problems checklist	416
Administration Menu Map	418
Troubleshooting process	419
Determine the problem source	419
Pre-troubleshooting checklist	419
Troubleshooting flowchart	421
Power subsystem	422
Power-on checks	422
Power-on troubleshooting overview	422
Control-panel checks	424
Scanning subsystem	425
Tools for troubleshooting	426
Component diagnostics	426
LED diagnostics	426
LED indicators	426
HP Jetdirect LEDs	426
Formatter heartbeat LED	427
Engine diagnostics	427
Defeating interlocks	427
Disable cartridge check	428
Engine-test button	428
Paper-path test	430
Manual sensor test	430
Front-door switch	432
Right-door switch	433
Registration sensor	434
Fuser loop 1 and 2 sensors	435
Fuser output sensor	436
Duplexer refeed sensor	438
IPTU-bin-full sensor	439
Developer alienation sensor	440
Fuser pressure-release sensor	441
ITB alienation sensor	442
IPTU feed sensor	444
Scanner open sensor	444
Tray/Bin manual sensor test	445
Tray 1 paper sensor	447
Tray 2 paper sensor	448
Tray 2 paper surface 1 and 2 sensors	449
Tray 2 paper size switches	450
Tray 3 paper sensor	451
Tray 3 feed sensor	451
Tray 3 paper surface 1 and 2 sensors	452
Tray 3 paper size switches	453
Tray 4 paper sensor	453
Tray 4 feed sensor	454
Tray 4 paper surface 1 and 2 sensors	454
Tray 4 paper size switches	455
Tray 5 paper sensor	455
Tray 5 feed sensor	456
Tray 5 paper surface 1 and 2 sensors	456
Tray 5 paper size switches	457
5V laser and 24V interlock and logic switches (and power switch)	458
Location and testing	458
Defeating	459
New ITB sensor	462
Tray 3, 4, and 5 right door switch	464
Paper-path sensors test	465
Print/stop test	466
Scanner tests	466
Scanner tests	466
Scanner sensor tests	467
Document feeder paper present sensor	468
Document feeder Y (length) sensor	468
Document feeder jam cover sensor	469
Flatbed Y (length) sensor	470
Flatbed cover angle sensor	471
Flatbed cover sensor	472
Document feeder registration sensor	473
Document feeder exit sensor	473
Document feeder read sensor	474
Component tests	474
Control-panel tests	474
Component test (special-mode test)	474
Stapler/stacker	476
Diagrams	478
Block diagrams	478
Plug/jack locations	482
Location of connectors	484
DC controller connector locations	484
Controller PCA (1 x 500-sheet and 3 x 500-sheet optional paper feeders)	486
Stapler/stacker PCA	487
IPTU PCA	488
Locations of major components	489
General timing chart	503
Circuit diagrams	504
Internal print-quality test pages	510
Print-quality-troubleshooting pages	510
Diagnostics page	513
Cleaning page	514
Configuration pages	514
Configuration page	514
HP embedded Jetdirect page	516
Embedded protocol page	517
Finding important information on the configuration pages	518
Color-band test	518
Print-quality troubleshooting tools	519
Repetitive defects ruler	519
Calibrate the product	520
Control panel menus	521
Navigate the Administration menu	521
Interpret control-panel messages	522
Control-panel message types	522
Control-panel messages	522
Clear All Blocked Numbers	522
Clear Event Log	522
Replace Supplies	523
Cleaning Page	523
10.00.70 Printing past very low	523
10.0X.90 Replace <Supply>	524
10.0X.Y0 Supply memory error	524
10.XX.69 <Supply> very low To continue, touch “OK”	525
10.YY.60 <color> cartridge low	525
11.00.YY Internal clock error To continue, touch “OK”	526
13.WX.EE Door open jam	526
13.WX.FF Jam	526
13.WX.YZ Fuser Area Jam	527
13.WX.YZ Fuser wrap jam	528
13.WX.YZ Jam below control panel Clear jam, then touch \	528
13.WX.YZ Jam in left cover	529
13.WX.YZ Jam in lower bin area	530
13.WX.YZ Jam in top cover area	530
13.WX.YZ Jam in Tray 1 Clear jam, then touch \	530
13.WX.YZ Jam in Tray <X>	530
13.WX.YZ Jam inside lower right door	531
13.WX.YZ Jam inside output accessory bridge	531
13.WX.YZ Jam inside right door	532
13.WX.YZ Jams inside lower right door	532
13.WX.YZ Jams inside right door	533
13.WX.YZ Staple jam inside left cover	534
20.00.00 Insufficient memory: <Device> To continue, touch “OK”	534
21.00.00 Page Too Complex To continue, touch “OK”	535
30.01.YY Scanner Failure	535
30.01.YY Scanner Failure	535
30.01.YY Scanner Failure	535
30.01.YY Scanner Failure	536
30.01.YY Scanner Failure	536
30.01.YY Scanner Failure	536
30.01.YY Scanner Failure	537
30.01.YY Scanner Failure	537
30.01.YY Scanner Failure	537
30.01.YY Scanner Failure	537
30.01.YY Scanner Failure	538
30.01.YY Scanner Failure	538
30.01.YY Scanner Failure	538
30.01.YY Scanner Failure	539
30.01.YY Scanner Failure	539

Match case Limit results 1 per page

Circuit diagrams

Figure 3-72

General circuit diagram (1 of 2)

TAG (Bk)

TAG (C)

TAG (M)

TAG (Y)

+5VB

SGND

+3.3V

DUP_SL

+5V

RD-SNS

1TR1S

1TR2S

HVTCLK

2TRS

2TRCNT

DUPSL

DEVHP

SGND

3.3VS

PGND

24VA

PGND

24VA

/VDO12O

LD1CTRL2

LD1CTRL1

LD1CTRL0

LD2CTRL2

LD2CTRL1

LD2CTRL0

LD3CTRL2

LD3CTRL1

LD3CTRL0

LD4CTRL2

LD4CTRL1

LD4CTRL0

LD4PDOUT

LD3PDOUT

24VB

VSS4

VIN

PGND

3.3V

I2CSDA

SGND

FAN1PWM

FAN1LK

PGND

24VB

PGND

SGND

/VDO2 2

VDO22

VDO21

SGND

/VDO42

VDO42

SGND

24VA

PGND

DUPMPHA

DUPMI0A

DUPMI1A

DUPMPHB

DUPMI0B

DUPMI1B

ENV

-SNS

VIN

VSS3

VSS1

VSS2

VIN

CSTSL

24VB

GND

+24V

GND

RT4_S

GND

RT3_S

GND

RT2_S

GND

RT1_S

CSTSIZE1

LD1PDOUT

LD2PDOUT

L_LOW_PWR

DEVMI0A

FAN2LK

DEVMI0B

FEEDMI0B

FEEDMPHB

FEEDMI1B

FEEDMIDWN

FEEDMI1A

FEEDMI0A

FEEDMPHA

WTSSNS

TONLED

/HVRESET

HVDALD

HVDACLK

HVTCLK

HVTDATA1

DSRSR

DSRDR

3.3VS

SGND

3.3VS

SGND

3.3VS

SGND

OPT_EX Z

+24VA

GND

CAN_H

CAN_L

GND

JLPWRON

GND

+24VA

GND

IPTUCLK

I2CSCK

CSTSIZE0

GND

FAN2LK

SGND

/SCN1ACC

/SCN1DEC

/SCN2ACC

/SCN2DEC

DUPM_A

DUPM_/A

DUPM_B

DUPM_/B

+24V

+5V

+24VB

DEVMOUT0B

FEEDMOUT0A

FEEDMOUT1A

FEEDMOUT1B

FEEDMOUT0B

HVDATA 2

PREEXP4

PREEXP3

PREEXP2

PREEXP1

RD-SNS

+3.3V

DEVMPHB

DEVMPHA

24VB

PGND

2TRCL

1TR3S

1TR4S

DSFSR

DSFDR

RDSFLED

SGND

+5VB

RDSRLED

VIN

RDSRGAIN1

SGND

FAN5LK

RDSFGAIN1

RDSFGAIN0

+5VB

5VB

5VC

VDO31

/VDO31

VDO32

/VDO32

5VC

FPRESS

PAPFULL

TONER EMP

TCU FULL SNS

RDSRGAIN0

TO IPTU & SS

PGND

+24VA

SGND

3.3V

INPOPIN

INPOPOT

LUON

+24VB

CSTSIZE2

SGND

INPOPTMG

INPOPCLK

/BD21

VDO12O

VDO11O

/VDO11O

/VDO41

VDO41

L_LOW_PWR

/BD41

/VDO21

DUPMIDWN

3.3VS

5VB

CSTPEN

CSTPS2

CSTPS1

PSNS_PCB

FAN2PWM

ITBHPSNS

IPTUSTS

/HVRESET2

HVDALD2

HVDACLK2

RTS1SNS

RTS2SNS

RTS3SNS

RTS4SNS

/2TRNCNT

/DEV2CNT

/DEV3CNT

/DEV4CNT

/DEV1CNT

SGND

RDOORSNS

DEVMOUT1B

DEVMOUT1A

DEVMOUT0A

FAN5LK

WTSSNS

WTSLED

IPTUCMD

SCN_TH

GND

14 13 12 11 10 9

J83L

J83DH

J83D

15 14 13 12 11 10 9

J130

J81D

TH4

J81DH

J81L

J82D

J103

J79H

J79D

J264

J58D

J79L

J59H

10 9

J251

J46

11 10 9

J60L

J85DH

J511

J510

FM4

J72D

J72LH

J87LH

SW4

J56DH

J107

J55DB

J55D

J55DA

17 16 15 14 13 12 11 10 9

J128

9 10 11

J60D

J60DH

J147

J42

J87L

J126

J2DH

J1DH

J1D

12 11 10 9

J68L

J2D

J3DH

J4D

J4DH

J3L

LED5

LED6

LED7

LED8

J4L

J66L

J57LH

J56D

J34

J57L

J3D

J65DH

J67DH

J67L

J67D

J108

J36

J110

J501

J503

J39

J43

J68DH

M13

J37

J202

J69D

J69DH

12 11 10

J68D

J200

J116

J250

J114

J58LH

17 16 15 14 13 12 11 10 9

J115

J58L

J263

J57D

J201

SR9

SR6

J47

J19

J2L

J1L

FM2

SR7

J71LH

J71L

SR11

J87D

9 10 11 12 13 14 15 16 17 18

J85D

18 17 16 15 14 13 12 11 10 9

J106

J66DH

J66D

J56L

J65L

J65D

J71D

J72L

J41

J40

M11

J69L

M10

J38

J59L

J59D

J260

J261

321

FM1

J113

SR23

SR25

J111

11 10 9

J112

SR24

SL4

J153

SL2

SW6

J82L

J82DH

DC Controller PCA

Laser Scanner Unit (Y/M)

Laser Scanner Unit (C/Bk)

HVT-T

HVT-D

452

Chapter 3

Solve problems

ENWW