Home » HP Manuals » Printers » HP Color LaserJet Enterprise CP5525 » Manual Viewer

HP Color LaserJet Enterprise CP5525 Service Manual - Page 365

General circuit diagram 2 of 2, Tools for troubleshooting

View all HP Color LaserJet Enterprise CP5525 manuals

Add to My Manuals
Save this manual to your list of manuals

Page 365 highlights

ENWW Figure 3-44 General circuit diagram (2 of 2) 6 5 4 3 2 1 Developer motor M3 M 1 2 3 4 5 6 78 J514 12345678 Drum motor M2 M 12345678 J515 12345678 Fuser motor M4 M 12345678 J516 12345678 ITB motor M1 M 12345678 J517 1 2 3 4 5 6 78 ITB Residual toner full sensor 1 23 Toner collection box switch SW6 1 2 Face-down bin media full sensor PS10 123 J513 Fuser pressure release sensor PS9 123 J510 T1 Right door sensor alienation switch T1 disengagement solenodi SW5 SL5 PS15 Y/M/C drum home- K drum homeposition sensor position sensor PS13 PS12 1 2 SL 21 123 123 123 J544 J506 J505 Cassette media satck surface sensro Cassette litfer motor PS4 M9 Cassette medai out sensor PS1 M 21 1 23 J534 1 23 J533 Cassette media Cassette media end switch width switch SW8 SW7 J932 J931 1 2 34 1234 J739L J511L 21 321 D 123 J709L 54321 12345 J709D J709DH J743L 3 21 123 J743D J743DH J738L 321 123 J738D J738DH 12 J511D J511DH J739D J739DH J742L J742LH 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 J742D /3DEVFG /3DEVDEC /3DEVACC 3DEVFR GND GND +24R +24R /3DRUMFG /3DRUMDEC /3DRUMACC 3DRUMFR GND GND +24R +24R /FSRFG /FSRDEC /FSRACC FSRFR GND GND +24R +24R /ITBFG /ITBDEC /ITBACC ITBFR GND GND +24R +24R WTSSNS GND TONLED5V TBOXSNS GND PFULLSSN GND +3.3A FSRKAIJYO GND +3.3A TRIKANHP GND TRIKANSL +24V RDOORSSN GND +3.3V N.C. N.C. N.C. N.C. N.C. N.C. DRMHPYMC GND +3.3A DRMHPBK GND +3.3A LIFTMON +24V LIFTSNS GND +3.3R PEMPTY GND +3.3R CSTSIZE22 CSTSIZE21 GND CSTSIZE20 CSTSIZE12 CSTSIZE11 GND CSTSIZE10 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 J81B 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 J81A J81 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 J181B 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 J181A J181 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 J151 Duplex model only Duplex model only C Duplex reverse motor Developer disengagement motor Developer disengagement sensor Duplex feed motor Pickup motor Media sensor Media sensor MP tray Last-media sensor PS3 MP tray medai M7 M 1234 Duplex reverse solenoid SL3 SL 21 J520 M6 M PS11 1234 123 J518 J519 M8 M 1234 J521 M5 M 1234 Cassette pickup solenoid SL1 SL 21 J523 1 2 3 4 5 6 7 8 9 10 J541 pickup solenodi SL2 SL 21 1 23 J528 J561H out sensor PS2 123 J527 J530L 3 2 1 J736L J552L 4321 1234 J552D J552DH J522L 21 12 J522D J522DH J535L 4321 1234 J535D J535DH J538L 21 12 J538D J538DH 10 9 8 7 6 5 4 3 2 1 J542L 1 2 3 4 5 6 7 8 9 10 J542DH J542D J531D J531DH 2 1 J531L 21 12 12 J530D J530DH 1 23 J561D 321 123 J736DH J736D J114L J114H 7654321 J525D J525DH 654321 123456 J525L J114D 1234567 B +3.3V NPTRLED MPFEEDSL +24V MPLASTSSN GND +3.3U MPPEMPTYSSN GND +3.3V /PHB RVRS PHB RVRS /PHA RVRS PHA RVRS /HI SL-ON +24U /PHB_DEV PHB_DEV /PHA_DEV PHA_DEV DEVDTCH SSN GND +5V /PHB DUPFD PHB DUPFD /PHA DUPFD PHA DUPFD /PHB FEED PHB FEED /PHA FEED PHA FEED +24U /PICK SLON NPCLK GND NPSD_RD NPSD OUT +5V /NPRST NPSTART NPSLDATA NPSLEN NPLED 654321 J1006 Driver PCA J2 J1 7654321 J1005 J1002 10 9 8 7 6 5 4 3 2 1 J1003 J1001 10 9 8 7 6 5 4 3 2 1 J112 10 9 8 7 6 5 4 3 2 1 J152 DC controller PCA 10 11 12 13 14 15 16 17 18 19 20 21 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 1 2 3 4 5 6 7 8 9 +24R GND GND FLIPMPHB FLIPMI0B FLIPMI1B FLIPMSTBY FLIPMI1A FLIPMI0A FLIPMPHA DUPFEEDMPHB DUPFEEDMI0B DUPFEEDMI1B DUPFEEDMSTBY DUPFEEDMCHI DUPFEEDMI1A DUPFEEDMI0A DUPFEEDMPHA GND +5V GND DEVRIKANHP DEVMPHB DEVMI0B DEVMSTBY DEVMI0A DEVMPHA GND FEEDMPHB FEEDMI0B FEEDMI1B FEEDMSTBY FEEDMCHI FEEDMI1A FEEDMI0A FEEDMPHA CSTSL HFLAPPER FLIPSL2 GND 10 11 12 13 14 15 16 17 18 19 20 21 10 11 12 13 14 15 16 17 1 2 3 4 5 6 7 8 9 1 2 3 4 5 6 7 8 9 A 21 J93 17 21 J92 J91 Tools for troubleshooting 341

Section	Page
Theory of operation	25
Basic operation	26
Major product systems	26
Product block diagram	26
Sequence of operation	27
Normal sequence of operation	27
Formatter-control system	29
Sleep mode	29
Input/output	30
CPU	30
Memory	30
Firmware	30
Nonvolatile memory	30
PJL overview	30
PML	31
Control panel	31
Engine-control system	32
DC controller	33
Motors	36
Fans	38
Fuser-control circuit	39
Fuser temperature control	40
Fuser protective function	41
Fuser failure detection	42
Low-voltage power supply	43
Overcurrent/overvoltage protection	45
High-voltage power supply	46
Laser scanner system	48
Laser failure detection	49
Image-formation system	50
Electrophotographic process	50
Image formation process	52
Latent-image formation block	53
Pre-exposure	53
Primary charging	53
Laser beam exposure	54
Developing block	55
Transfer block	56
Primary transfer	56
Secondary transfer	56
Separation	57
Fusing block	57
ITB cleaning block	58
Drum cleaning block	58
Print cartridges	59
Memory tag	60
Cartridge presence detection	60
Toner level detection	60
Cartridge life detection	60
Developing unit engagement and disengagement control	60
ITB unit	62
Primary transfer roller engagement and disengagement control	63
ITB unit presence detection	64
ITB cleaning mechanism	64
Calibration	65
Color-misregistration control	66
Environment change control	67
Image stabilization control	67
Image density control (DMAX)	67
Image halftone control (DHALF)	67
Pickup, feed, and delivery system	68
Photo sensors	70
Motors and solenoids	71
Pickup and feed block	71
Tray 2 cassette pickup	72
Tray 2 cassette multiple-feed prevention	73
Tray 2 cassette media-size detection and Tray 2 cassette-presence detection	74
Tray 2 cassette lift-up operation	75
Cassette media-presence detection	77
Tray 1 (MP tray) paper pickup	77
Tray 1 (MP tray) last-paper detection	78
Paper feed	79
Skew-feed prevention	81
Media detection	82
Feed-speed control	83
Fusing and delivery block	83
Loop control	83
Pressure roller pressurization and depressurization control	85
Output bin full detection	86
Duplex block (duplex models only)	87
Duplex reverse and duplex feed control	87
Duplex operation	88
Jam detection	90
Paper feeder	92
Paper-feeder motors	93
Paper-feeder paper pickup and feed	94
Cassette media-size detection and cassette-presence detection	94
Paper-feeder cassette lift operation	95
Paper-feeder jam detection	96
Optional 3X500-sheet paper deck	97
Motor control	100
Pickup-and-feed operation	101
Cassette media-size detection and cassette-presence detection	102
Cassette lift-up operation	103
Jam detection	105
Removal and replacement	107
Introduction	108
Removal and replacement strategy	108
Electrostatic discharge	108
Required tools	109
Service approach	110
Before performing service	110
After performing service	110
Post-service test	110
Print-quality test	110
Removal and replacement procedures	111
Print cartridges	111
Toner-collection unit	115
Fuser	117
Reset the New Fuser Kit setting at the control panel	117
Pickup roller (Tray 1)	118
Separation pad (Tray 1)	119
Separation roller assembly (Tray 2)	121
Pickup roller (Tray 2)	122
Pickup roller, separation roller, and feed roller (1 x 500-sheet and 3 x 500-sheet paper feeders)	123
Secondary transfer roller	125
Intermediate transfer belt (ITB)	126
Reset the New Transfer Kit setting at the control panel	128
Formatter PCA	129
Hard Drive	131
Remove the encrypted HDD	132
Remove the solid-state hard drive	133
Covers	135
Identification and location	135
Right-front cover and control-panel assembly	137
Left cover	139
Rear cover	140
Remove the rear cover	140
Toner collection unit access door	141
Right-rear cover	143
Reinstall the right-rear cover	144
Top cover	145
Remove the top cover	145
Front-door assembly	147
Right-door assembly	150
Main assemblies	154
Formatter case	154
Remove the formatter case	154
Laser/scanner assembly	156
Remove the laser/scanner assembly	156
Paper pickup assembly	159
Remove the paper pickup assembly	159
Reinstall the paper pickup assembly	162
Installing a replacement paper pickup assembly	164
Registration sensor assembly	166
Remove the registration sensor assembly	166
Lifter-drive assembly	169
Remove the lifter-drive assembly	169
ITB front guide assembly	172
ITB rear guide assembly	175
Residual toner full sensor	176
Remove the residual toner full sensor	176
Reinstall the residual toner full sensor	179
Main drive assembly	181
Remove the main drive assembly	181
Install the main drive assembly	191
Fuser drive assembly	196
Remove the fuser drive assembly	196
Install a replacement fuser drive assembly	198
Fuser gear assembly	200
Remove the fuser gear assembly	200
Install a replacement fuser gear assembly	206
Paper delivery assembly	208
Remove the delivery assembly	208
Reinstall the paper delivery assembly	209
Duplex drive assembly (duplex models)	211
Remove the duplex-drive assembly	211
Delivery drive assembly (simplex models)	213
Remove the delivery drive assembly	213
Residual-toner-feed assembly	214
Remove the residual-toner-feed assembly	214
ITB motor (M1)	216
Remove the ITB motor	216
Drum motor (M2)	218
Remove the drum motor	218
Developing motor (M3)	219
Remove the developing motor	219
Fuser motor (M4)	220
Remove the fuser motor	220
Developing-disengagement motor (M6)	221
Remove the developing-disengagement motor	221
Power-supply fan (FM1)	222
Remove the power-supply fan	222
Fuser fan (FM2)	225
Remove the fuser fan	225
Formatter fan (FM3) and ICB PCA	228
Remove the formatter fan and ICB PCA	228
DC controller PCA	231
Remove the DC controller PCA	231
Low-voltage power supply	233
Remove the low-voltage power supply	233
Imaging (developing) high-voltage power supply	237
Remove the imaging (developing) high-voltage power supply	237
First transfer high-voltage power supply	238
Remove the first transfer high-voltage power supply	238
Second transfer high-voltage power supply	240
Remove the second transfer high-voltage power supply	240
Driver PCA	242
Remove the driver PCA	242
Power switch PCA	244
Remove the power switch PCA	244
Environmental sensor	245
Remove the environmental sensor	245
1 x 500-sheet paper feeder assembly	246
1 x 500 rear cover	246
1 x 500 left cover	247
1 x 500 right-front cover	249
1 x 500 front-upper cover	250
1 x 500 right door	251
1 x 500 right-lower cover	253
1 x 500 pickup assembly	254
1 x 500 lifter-drive assembly	257
1 x 500 pickup motor	258
1 x 500 driver PCA	259
3 x 500-sheet paper feeder (optional accessory)	260
3 x 500 rear cover	260
3 x 500 right and left cassette rails	261
3 x 500 paper deck controller PCAs	262
3 x 500 paper deck lifter-drive assembly	263
3 x 500 paper deck pickup motor	264
3 x 500 front-lower cover	265
3 x 500 left cover	266
3 x 500 right-corner cover	267
3 x 500 front-upper cover	268
3 x 500 right-door assembly	269
3 x 500 right-lower cover 1	271
3 x 500 right-lower cover 2	272
3 x 500 left-lower cover	273
3 x 500 rear-lower cover	274
Remove the 3 x 500 rear-lower cover	274
3 x 500 paper deck pickup assembly	275
Remove the 3 x 500 paper deck pickup assembly	275
Solve problems	277
Solve problems checklist	278
Menu map	280
Current settings pages	280
Control panel menus	281
Sign In menu	281
Retrieve Job From USB menu	281
Retrieve Job From Device Memory menu	281
Supplies menu	282
Trays menu	284
Administration menu	285
Reports menu	285
General Settings menu	285
Retrieve From USB Settings menu	290
Print Settings menu	290
Print Options menu	291
Display Settings menu	293
Manage Supplies menu	294
Manage Trays menu	295
Network Settings menu	296
Troubleshooting menu	299
Device Maintenance menu	300
Backup/Restore menu	300
Calibration/Cleaning menu	301
USB Firmware Upgrade menu	301
Service menu	302
Troubleshooting process	303
Determine the problem source	303
Pre-troubleshooting checklist	303
Troubleshooting flowchart	304
Power subsystem	306
Power-on checks	306
Power-on troubleshooting overview	306
Tools for troubleshooting	308
Component diagnostics	308
LED diagnostics	308
Understand lights on the formatter	308
HP Jetdirect LEDs	308
Heartbeat LED	309
Engine diagnostics	309
Defeating interlocks	310
Disable cartridge check	311
Engine test button	312
Paper-path test	312
Manual sensor test	313
Front-door opening/closing switch (PS14)	315
Right-door opening/closing sensor (PS15)	316
TOP (top-of-page) sensor (PS5)	318
Fuser loop sensors 1 and 2 (PS7 and PS8)	319
Fuser pressure-release sensor (PS9)	320
Fuser output sensor (PS6)	321
Developer alienation sensor (PS11)	322
ITB alienation switch (SW5)	323
Tray/Bin manual sensor test	324
Tray 1 paper sensor (PS2)	326
Tray 2 paper present sensor (PS1)	327
Tray 2 paper surface sensor (PS4)	328
Tray 2 paper size switches (SW7 and SW8)	329
Tray 3 paper sensor (SR3)	330
Tray 3 paper surface sensor (SR2)	331
Tray 3 paper size sensors (SW2 and SW3)	332
Tray 3 feed sensor (SR1)	333
Tray 3 door opening/closing sensor (SW1)	334
Tray 4 paper sensor (SR3)	335
Tray 4 paper surface sensor (SR2)	335
Tray 4 paper size sensors (SW2 and SW3)	335
Tray 4 feed sensor (SR1)	335
Tray 4 door opening/closing door sensor (SW1)	335
Tray 5 paper sensor (SR83)	336
Tray 5 paper surface sensor (SR82)	336
Tray 5 paper size sensors (SW82 and SW83)	336
Tray 5 feed sensor (SR81)	336
Tray 5 door opening/closing sensor (SW1)	336
Tray 6 paper sensor (SR93)	336
Tray 6 paper surface sensor (SR92)	336
Tray 6 paper size sensors (SW92 and SW93)	336
Tray 6 feed sensor (SR91)	336
Tray 6 door opening/closing sensor (SW1)	336
Output-bin-full sensor (PS10)	337
Paper-path sensors test	337
Print/stop test	338
Component tests	338
Component test (special-mode test)	338
Additional component tests	341
Diagrams	343
Block diagrams	343
Plug/jack locations	345
Location of connectors	346
DC controller connections	346
Product connections	348
Locations of major components	355
General timing charts	362
General circuit diagram	364
Internal print-quality test pages	368
Print-quality-troubleshooting pages	368
Diagnostics page	371
Clean the paper path	373
Set up an auto cleaning page	373
Configuration page	374
Configuration page	374
HP embedded Jetdirect page	376
Finding important information on the configuration pages	377
Color-band test	378
Print quality troubleshooting tools	379
Repetitive image-defect ruler	379
Calibrate the product	380
Control panel menus	380
Sign In menu	381
Retrieve Job From USB menu	382
Retrieve Job From Device Memory menu	383
Supplies menu	384
Trays menu	387
Administration menu	389
Reports menu	389
General Settings menu	391
Retrieve From USB Settings menu	404
Print Settings menu	404
Print Options menu	406
Display Settings menu	408
Manage Supplies menu	409
Manage Trays menu	412
Network Settings menu	415
Troubleshooting menu	425
Device Maintenance menu	430
Backup/Restore menu	430
Calibration/Cleaning menu	431
USB Firmware Upgrade menu	432
Service menu	433
Interpret control-panel messages, status-alert messages, and event code errors	435
10.0X.Y0 Supply memory error	435
10.22.50	436
10.22.51	436
10.22.52	436
10.23.50	436
10.23.51	437
10.23.52	437
10.23.70 Printing past very low	437
10.XX.34 Used supply in use	438
10.XX.40 Genuine HP supplies installed	438
10.XX.41 Unsupported supply in use	439
10.XX.70 Printing past very low	439
10.YY.15 Install <supply>	440
10.YY.25 Wrong cartridge in <color> slot	440
10.YY.35 Incompatible <supply>	441
11.00.YY Internal clock error	442
13.00.00	442
13.A3.FF	442
13.D3.DZ	442
13.WX.EE	443
13.WX.FF	443
13.WX.YZ Fuser area jam	444
13.WX.YZ Fuser wrap jam	445
13.WX.YZ Jam below control panel	446
13.WX.YZ Jam in lower right door	446
13.WX.YZ Jam in middle right door	447
13.WX.YZ Jam in right door	447
13.WX.YZ Jam in Tray 1	448
13.WX.YZ Jam in Tray <X>	448
20.00.00 Insufficient memory To continue, press OK	449
21.00.00 Page too complex	449
32.1C.XX	449
32.21.00	454
40.00.01 USB I/O buffer overflow To continue, press OK	454
40.00.02 Embedded I/O buffer overflow To continue, press OK	454
40.00.03 EIO buffer overflow To continue, press OK	454
40.00.04 Unsupported USB accessory detected To continue, press OK	454
40.00.05 Embedded I/O bad transmission To continue, press OK	455
41.02.00 Error	455
41.03.YZ Unexpected size in tray <X>	455
41.05.YZ Unexpected type in tray <X>	456
41.07.YZ Error To continue, press OK	458
42.XX.YY	460
47.00.XX	460
47.01.XX	460
47.02.XX	460
47.03.XX	461
47.04.XX	461
47.05.00	461
47.06.XX	461
47.WX.YZ Printer calibration error To continue, press OK	461
50.WX.YZ Fuser error To continue, turn off then on	463
51.00.YY Error	466
52.XX.00 Error To continue, turn off then on	466
54.XX.YY Error	467
55.00.YY DC controller error To continue, turn off then on	469
55.0X.YY DC controller error To continue, turn off then on	470
56.00.YY Error To continue, turn off then on	470
57.00.0Y Error To continue, turn off then on	470
59.00.YY Error To continue, turn off then on	471
59.0X.50 Error To continue, turn off then on	472
59.0X.60 Error To continue, turn off then on	473
59.0X.70 Error To continue, turn off then on	473
59.0X.80 Error To continue, turn off then on	473
60.00.0Y Tray <Y> lifting error	474
61.00.01	475
62.00.00 No system To continue, turn off then on	476
70.00.00 Error To continue, turn off then on	476
80.0X.YY Embedded JetDirect error	476
98.00.01 Corrupt data in firmware volume	478
98.00.02 Corrupt data in solutions volume	478
98.00.03 Corrupt data in configuration volume	478
98.00.04 Corrupt data in job data volume	478
99.00.01 Upgrade not performed file is corrupt	479
99.00.02 Upgrade not performed timeout during receive	479
99.00.03 Upgrade not performed error writing to disk	479
99.00.04 Upgrade not performed timeout during receive	479
99.00.05 Upgrade not performed timeout during receive	480
99.00.06 Upgrade not performed error reading upgrade	480
99.00.07 Upgrade not performed error reading upgrade	480
99.00.08 Upgrade not performed error reading upgrade	480
99.00.09 Upgrade canceled by user	481
99.00.10 Upgrade canceled by user	481
99.00.11 Upgrade canceled by user	481
99.00.12 Upgrade not performed the file is invalid	481
99.00.13 Upgrade not performed the file is invalid	482
99.00.14 Upgrade not performed the file is invalid	482
99.00.2X	482
99.09.60 Unsupported disk	483
99.09.61 Unsupported disk	483
99.09.62 Unknown disk	483
99.09.63 Incorrect disk	484
99.09.64 Disk malfunction	484
99.09.65 Disk data error	484
99.09.66 No disk data installed	484
99.09.67 Disk is not bootable please download firmware	484
99.XX.YY	485
<Binname> Full Remove all paper from bin	485
<Supply> almost full	485
<Supply> low OR Supplies low	485
<Supply>very low OR Supplies very low	486
<Tray X> lifting	487
[File System] device failure To clear, press OK	488
[File System] file operation failed To clear, press OK	488
[File System] file system is full To clear, press OK	488
[File System] is not initialized	488
[File System] is write protected	488
Accept bad signature	488
Bad optional tray connection	489
Calibration reset pending	489
Canceling	489
Canceling... <jobname>	489
Checking engine	490
Checking paper path	490
Chosen personality not available To continue, press OK	490
Cleaning do not grab paper	490
Cleaning...	490
Clearing event log	491
Clearing paper path	491
Close front door	491
Close lower right door	491
Close middle right door	492
Close right door	492
Close upper right door For help press ?	492
Cooling device	492
Creating cleaning page	493
Data received To print last page, press OK	493
EIO <X> disk initializing	493
EIO <X> disk not functional	493
EIO <X> disk spinning up	494
Event log is empty	494
Expected drive missing	494
HP Secure Hard Drive disabled	494
Incompatible <supply>	495
Incompatible supplies	495
Initializing...	495
Install <supply>	496
Install <supply> Close rear door	496
Install Fuser Unit	496

Match case Limit results 1 per page

Figure 3-44

General circuit diagram (2 of 2)

NPCLK

GND

NPSD_RD

NPSD OUT

+5V

/NPRST

NPSTART

NPSL

DATA

NPSL

NPLED

J541

J542D

J542L

J542DH

J531D

J531DH

J531L

+3.3V

NPTRLED

MPFEEDSL

+24V

MPLASTSN

GND

+3.3U

MPPEMPTYSN

GND

+3.3V

J525D

J552L

J520

J525DH

J522D

J522L

J552D

J552DH

SL3

J525L

J522DH

/PHB RVRS

PHB RVRS

/PHA RVRS

PHA RVRS

/HI SL-ON

+24U

J521

/PHB DUPFD

PHB DUPFD

/PHA DUPFD

PHA DUPFD

/PHB FEED

PHB FEED

/PHA FEED

PHA FEED

+24U

/PICK SL

J92

J1002

GND

FLIPMPHB

FLIPMI0B

FLIPMI1B

FLIPMSTBY

FLIPMI1A

FLIPMI0A

FLIPMPHA

DUPFEEDMPHB

DUPFEEDMI0B

DUPFEEDMI1B

DUPFEEDMSTBY

DUPFEEDMCHI

DUPFEEDMI1A

DUPFEEDMI0A

DUPFEEDMPHA

GND

Duplex

reverse motor

Duplex reverse solenoid

Duplex feed motor

Media sensor

J152

J114D

J114H

J114L

J1003

Duplex model only

J1006

J112

Duplex model only

J931

J932

16 15 14 13 12 11 10

J742D

J742L

J742LH

PS4

J534

J739L

PS1

J533

J739DH

J739D

J151

PS15

J544

PS13

J506

PS12

J505

J181

J181A

15 14 13 12 11 10

J181B

J511DH

J511L

J511D

SL5

SW5

J738L

J738DH

J738D

J510

PS9

PS10

J743L

J743DH

J743D

J513

J709L

SW6

J709D

J709DH

J514

J515

J516

J517

16 15 14 13 12 11 10

J81

J81A

J81B

PS11

J519

J518

J1005

J523

J535L

J535D

J535DH

J538D

J538DH

J538L

SL1

J530DH

J530D

J530L

SL2

J561D

J736D

J736L

J561H

J528

J736DH

J527

PS3

PS2

J93

J91

J1001

LIFTMON

+24V

LIFTSNS

GND

+3.3R

PEMPTY

GND

+3.3R

CSTSIZE22

CSTSIZE21

GND

CSTSIZE20

CSTSIZE12

CSTSIZE1

GND

CSTSIZE10

RDOORSN

GND

+3.3V

N.C.

DRMHPYMC

GND

+3.3A

DRMHPBK

GND

+3.3A

WTSSNS

GND

TONLED5V

TBOXSNS

GND

PFULLSN

GND

+3.3A

FSRKAIJYO

GND

+3.3A

TRIKANHP

GND

TRIKANSL

+24V

/FSRFG

/FSRDEC

/FSRACC

FSRFR

GND

+24R

/ITBFG

/ITBDEC

/ITBACC

ITBFR

GND

+24R

/3DEVFG

/3DEVDEC

/3DEVACC

3DEVFR

GND

+24R

/3DRUMFG

/3DRUMDEC

/3DRUMACC

3DRUMFR

GND

+24R

Driver PCA

/PHB_DEV

PHB_DEV

/PHA_DEV

PHA_DEV

DEVDTCH SN

GND

+5V

+24R

GND

+5V

GND

DEVRIKANHP

DEVMPHB

DEVMI0B

DEVMSTBY

DEVMI0A

DEVMPHA

GND

FEEDMPHB

FEEDMI0B

FEEDMI1B

FEEDMSTBY

FEEDMCHI

FEEDMI1A

FEEDMI0A

FEEDMPHA

CSTSL

HFLAPPER

FLIPSL2

GND

Developer motor

DC controller PCA

Drum motor

Fuser motor

ITB motor

ITB

Residual toner

full sensor

Face-down bin

media full sensor

Fuser pressure

release sensor

alienation switch

disengagement solenoi

Right door sensor

Y/M/C drum home-

position sensor

K drum home-

position sensor

Cassette lif

ter motor

Cassette media st

ack

surface senso

Cassette medi

out sensor

Cassette media

width switch

MP tray medi

out sensor

Last-media sensor

MP tray

pickup solenoi

Cassette pickup solenoid

Pickup motor

Developer

disengagement

sensor

Developer

disengagement

motor

SW8

SW7

Cassette media

end switch

Toner collection

box switch

ENWW

Tools for troubleshooting

341