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All in One Printer
MX812de
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Discon
nect all ca
bles (J
1B, J5, J4D
, J2A,
J4C, J2B, J4B, J2C, J4A,
J8, J1A, J3B, J7, J6, J12,
an
d J3T)
from
the co
ntroll
er
PCBA.
5
Remove the tw
o screws (A
), then remove
the shie
ld.
7463
Rep
air
info
rma
tio
n
640
639
641
Table of Contents
Main Page
Table of Contents
3
Product Information
2
Edition Notice
2
Table of Contents
3
Notices and Safety Information
21
Laser Notices
21
Safety
24
Preface
27
Service Manual Conventions
27
Change History
27
General Information
29
Paper Guidelines
29
Paper Characteristics
29
Selecting Paper
30
Selecting Preprinted Forms and Letterhead
31
Using Recycled Paper and Other Office Papers
31
Storing Paper
32
Data Security Notice
33
Tools Required for Service
33
Diagnostic Information
35
Troubleshooting Overview
35
Performing the Initial Troubleshooting Check
35
Error Code Number Key
36
Power-On Reset (POR) Sequence
36
Using Safe Mode
37
Fixing Print Quality Issues
37
Initial Print Quality Check
38
Fixing Base Printer Print Quality Issues
39
Gray Background on Prints
39
Horizontal Voids Appear on Prints
40
Print Irregularities
41
Printer Is Printing Blank Pages
42
Printer Is Printing Solid Black Pages
43
Shadow Images Appear on Prints
43
Skewed Print
44
Streaked Horizontal Lines Appear on Prints
45
Streaked Vertical Lines Appear on Prints
47
Toner Specks Appear on Prints
48
Vertical Voids Appear on Prints
49
Toner Fog or Background Shading Appears on Prints
50
Toner Rubs off
51
Default Chapter
51
Paper Jams
51
Understanding Jam Numbers and Locations
52
Paper Jams
54
Sensor (Input) Early Arriving Jam Service Check
58
Sensor (Input) Static Jam Service Check
58
Actions
58
Actions Yes
58
Step
58
Step 1 Go to Step
58
Step 2 Go to Step
58
Sensor (Input) Never- or Late-Arriving Jam Service Check
60
Sensor (Input) Late-Leaving or DID-Not-Clear Jam Service Check
61
Main Drive Motor Control Jam Service Check
63
Printhead Motor Control Jam Service Check
63
Fuser Drive Motor Control Jam Service Check
64
Sensor (Input) Miscellaneous Jam 1 Service Check
64
202 Paper Jams
65
Sensor (Input) Miscellaneous Jam 2 Service Check
65
Sensor (Input) Miscellaneous Jam 3 Service Check
65
Sensor (Fuser Exit) Late-Leaving Jam Service Check
68
Sensor (Fuser Exit) Static Jam Service Check
68
Sensor (Fuser Exit) Late-Arriving Jam Service Check
69
Sensor (Narrow Media) Late Arriving Jam Service Check
70
Sensor (Narrow Media) Static Jam Service Check
71
Fuser ID Chip Control Jam Service Check
72
Sensor (Fuser Exit) Miscellaneous Jam Service Check
72
203 Paper Jams
73
Upper Redrive Motor Control Jam Service Check
73
230 Paper Jams
74
Sensor (Duplex Path) Static Jam Service Check
77
Sensor (Duplex Path) Early Arriving Jam Service Check
78
Sensor (Duplex Path) Never- or Late-Arriving Jam Service Check
78
Sensor (Duplex Path) Late Leaving Jam Service Check
79
Duplex Control Jam Service Check
80
Sensor (Duplex Path) Miscellaneous Jam Service Check
81
235-239 Paper Jams
82
Sensor (Input) Never-Arriving Jam (Exiting Duplex) Service Check
82
24X Paper Jams
83
Media Feeder Motor Control Service Check
85
Media Tray 1, Tray Pulled Jam
86
Media Feeder Motor Tray Lift Error Service Check
87
Sensor (Input) Never-Arriving Jam from Tray 1 Service Check
87
250 Paper Jams
88
Sensor (Input) Never-Arriving Jam from MPF Media Tray Service Check
90
41Y.XX Paper Jams
92
43Y.XX Paper Jams
93
451 Paper Jams
94
455-457 Paper Jams
95
User Attendance Messages (0-99.99)
98
Toner Cartridge Smart Chip Error Service Check
103
Toner Level Sensing Error Check
103
Imaging Unit Smart Chip Service Check
104
Fuser Unit Smart Chip Service Check
105
Printer Hardware Errors (100-199.99)
105
Printer Hardware Error Messages(100-199.99)
106
Printhead ID Service Check
110
Printhead Service Check
110
Fuser Drive Motor Service Check
111
Fuser Service Check
111
LVPS Service Check
112
Toner Level Sensing Service Check
112
Main Drive Motor Service Check
113
Media Feeder Service Check
113
Duplex Motor Service Check
114
Redrive Motor Service Check
114
Main Cooling Fan Service Check
115
Toner Add Motor Service Check
115
Cartridge Cooling Fan Service Check
116
LVPS Cooling Fan Service Check
116
HVPS Cooling Fan Service Check
117
Miscellaneous Cooling Fan Service Check
117
ADF and Scanner Errors
118
ADF and Scanner Error Messages (280-295.20)
118
ADF Cover Open Jam
119
Sensor (ADF Pick) Static Jam
119
Sensor (ADF Pick) Never Arriving or Late Arriving Jam Service Check
120
Sensor (ADF Pick) Late Leaving or Not Cleared Jam Service Check
121
Sensor (ADF 1St Scan) Never Arriving or Late Arriving Jam Service Check
123
Sensor (ADF 1St Scan) Static Jam Service Check
123
Sensor (ADF 1St Scan) Late Leaving or Not Cleared Jam
125
Sensor (ADF 2Nd Scan) Static Jam
126
Sensor (ADF 2Nd Scan) Never Arriving or Late Arriving Jam Service Check
127
Sensor (ADF 2Nd Scan) Late Leaving or Not Cleared Jam Service Check
128
Sensor (ADF Media Exit) Static Jam Service Check
129
Sensor (ADF Media Exit) Never Arriving or Late Arriving Jam Service Check
130
Sensor (ADF Media Exit) Late Leaving or Not Cleared Jam Service Check
131
ADF and Scanner Error Messages (84X)
133
Sensor (Multifeed Detect) Detected Multiple Sheets Service Check
133
Flatbed Scanner and ADF Communications Failure Service Check
134
Flatbed Scanner Home Position Error Service Check
135
ADF Elevator Tray Home Position Error Service Check
136
ADF Elevator Tray Motor Stalled Error Service Check
137
ADF Elevator Tray Motor Time-Out Error Service Check
137
ADF Scanner CCD Initialization Error Service Check
139
Flatbed Scanner CCD Initialization Error Service Check
139
Firmware And/Or System Electronics Errors (900-999.99)
139
9Xx Error Messages
140
Communication Failure with Flatbed Scanner and ADF
143
System Software Error Service Check
143
NVRAM Mismatch Failure Service Check
147
Input/Output Option Hardware Errors
149
3Xx Error Messages (300-399.99)
149
250/550-Sheet Transport Motor Failure Service Check
153
250/550-Sheet Media Feeder Failure Service Check
154
250/550-Sheet Controller Board Failure Service Check
156
HCIT Lift Drive Motor Failure Service Check
157
HCIT Lift Plate Failure Service Check
159
HCIT Transport Motor Failure Service Check
161
Mailbox Failure Service Check
163
Input/Output Option Paper Jam Errors
164
Input Option Jam Error Messages (242-245.99)
164
250/550-Sheet Media Tray Option Jam Service Check
176
HCIT Jam Service Check
178
HCIT Source Jam Service Check
181
4Xx Error Messages (400-499.99)
183
Sensor (Mailbox Pass Through) Jam Service Check
188
Mailbox Diverter Jam Service Check
190
Sensor (Finisher Pass Through) Jam Service Check
192
Finisher Left Tamper Jam Service Check
194
Finisher Right Tamper Jam Service Check
195
Finisher Ejector Jam Service Check
196
Finisher Diverter Jam Service Check
197
Finisher Paddle Jam Service Check
198
Finisher Tray Holder Jam Service Check
199
Stapler Carriage Jam Service Check
200
Sensor (Media in Stapler) Jam Service Check
201
Symptoms
202
Base Printer Symptoms
203
Network Service Check
203
Dead Machine Service Check
205
ADF Media Present Service Check
206
Adf/Scanner Symptoms
206
ADF Not Responding Service Check
207
Option Tray Symptoms
207
250/550-Sheet Media Type Error Service Check
208
250/550-Sheet Tray Undetected Service Check
210
HCIT Incorrect Media Error Service Check
211
HCIT Media Type Error Service Check
213
HCIT Undetected Service Check
215
HCIT Media Low Undetected Service Check
216
Finisher Side Door Error Service Check
218
Mailbox Incorrect bin Exit Service Check
220
Finisher Cartridge Error Service Check
221
Finisher Undetected Service Check
222
Finisher bin Error Service Check
223
Finisher Door Undetected Service Check
224
Stapler Carriage Failure Service Check
225
Finisher bin Media Present Error Service Check
226
Service Menus
229
Using the Printer Control Panel
229
Using the Printer Control Panel (Mx81X)
230
Menus List
231
Diagnostics Menu
231
Entering Diagnostics Mode
232
Registration
232
Scanner Calibration
233
Button Test
234
Hardware Tests
234
Panel Test
234
Print Quality Pages (Prt Quality
234
Print Tests
234
DRAM Test
235
Serial Wrap Test
235
USB HS Test Mode
236
Beacons Test
237
Duplex Tests
237
Quick Test
237
Motor Test
238
Sensor Test
238
Top Margin
238
Duplex Feed 1
239
Duplex Feed 2
239
Feed Tests
239
Input Tray Tests
239
Feed Tests
240
Output bin Tests
240
Sensor Tests
240
Diverter Test
241
Feed to All Bins
241
Sensor Test
241
Feed Test (Finisher)
242
Finisher Tests
242
Hole Punch Test
242
Staple Test
242
Base Sensor Test
243
Finisher Sensor Test
243
Device Tests
244
Disk Test/Clean
244
Quick Disk Test
244
Defaults
245
Flash Test
245
Printer Setup
245
Edge to Edge
246
Engine Setting [X]
246
Parallel Strobe Adjustment (Par 1 Strobe Adj)
246
Permanent Page Count (Perm
246
Printed Page Count
246
Processor ID
246
EP Defaults
247
Ep Setup
247
Fuser Page Count
247
Fuser Temperature (Fuser Temp)
247
Warm up Time
247
Automatic Darkness Adjust (Auto Dark Adj)
248
Charge Roll
248
Gap Adjust
248
Print Contrast
248
Transfer
248
Display Log
249
Event Log
249
Installed Licenses
249
Menu Settings Page
249
Reports
249
Clear Log
250
Exit Diags
250
Print Log
250
Print Log Summary
250
Configuration Menu
251
Entering Configuration Mode
252
Reset Roller Kit Counter
252
Reset Separator Roll and Pick Assembly Counter
252
Roller Kit Counter Value
252
Menu Settings Page
253
Print Quality
253
Reports
253
USB Scan to Local
253
Event Log
254
Panel Menus
254
PPDS Emulation
254
Size Sensing
254
Download Emuls
255
Energy Conserve
255
Factory Defaults
255
Safe Mode
255
Fax Low Power Support
256
Format Fax Storage
256
Min Copy Memory
256
Num Pad Job Assist
256
ADF Edge Erase
257
Scanner Manual Registration
257
Disable Scanner
258
Paper Prompts
258
Action for Prompts
259
Envelope Prompts
259
Disk Encryption
260
Erase All Information on Disk
260
Jobs on Disk
260
A4 Fuser
261
Font Sharpening
261
Require Standby
261
Wipe All Settings
261
A5 Loading
262
LES Applications
262
UI Automation
262
Clear Custom Status
263
Clear Supply Usage History
263
Key Repeat Initial Delay
263
Key Repeat Rate
263
Automatically Display Error Screens
264
USB Pnp
264
USB Speed
264
Entering Invalid Engine Mode
264
Entering Recovery Mode
265
Accessing the Network SE Menu
265
Service Engineer Menu
265
Accessing the Service Engineer (SE) Menu
265
Service Engineer (SE) Menu
265
Repair Information
267
Removal Precautions
267
Handling ESD-Sensitive Parts
267
Controller Board/Control Panel Replacement
268
Esf Solutions Backup
268
Ribbon Cable Connectors
269
Zero Insertion Force (ZIF) Connectors
269
Horizontal Top Contact Connector
270
Horizontal Bottom Contact Connector
273
Vertical Mount Contact Connector
276
Horizontal Sliding Contact Connector
279
Low Insertion Force (LIF) Connector
282
Adjustments
283
Media Aligner Roller Adjustment
283
Polygon Printhead Mechanical Registration Adjustment
284
ADF Skew Adjustment (Front Side)
287
ADF Skew Adjustments
287
ADF Skew Adjustment (Back Side)
288
ADF Skew Adjustment (Deskew Roller)
289
Media Squareness Check
291
Print Skew Correction
292
Copy Skew Correction
294
Removal Procedures
295
Base Printer - Cover Removals
295
Column Left Front Cover Removal (Mx81X)
296
Column Left Outer Cover Removal (Mx81X)
297
Column Right Inner Cover Removal
298
Column Right Outer Cover Removal
300
Left Cover Removal (Mx71X)
301
Left Cover Removal (Mx81X)
303
Left Inner Cover Removal
305
Rear Door Removal
307
Rear Lower Cover Removal
309
Rear Lower Door Removal (Mx81X)
310
Right Cover Removal (Mx71X)
311
Right Cover Removal (Mx81X)
312
Right Inner Cover Removal (Mx71X)
313
Top Cover Removal
314
Base Printer - Front Removals
314
Duplex Exit Diverter Removal
314
Front Door Removal
316
Inner Guide Deflector Removal
318
Laser Printhead Removal
320
Media Aligner Roller Removal
323
Media Turn Guide Removal
325
Media Vertical Guide Removal
326
MPF Feeder Lift Plate Removal
328
MPF Pick Roller Removal
331
MPF Tray Removal
333
Sensor (Input) Removal
335
Sensor (Toner Density) Removal
336
Transfer Roller Left Arm with Cable Removal
338
Transfer Roller Right Arm Removal
339
Transfer Roller Removal
342
Base Printer - Rear Removals
344
Duplex Motor Removal
345
Fuser Removal
347
Fuser Access Door Removal
349
Left Frame Pivot Removal
350
Right Frame Pivot Removal
351
Sensor (Rear Door Interlock) Removal
352
Base Printer - Top Removals
352
Cartridge Door Removal
353
Output bin Sensor Cover Removal
356
Sensor (Standard bin Full) Removal
356
Standard bin Cover Removal (Mx71X)
357
Standard bin Cover Removal (Mx81X)
359
Upper Redrive Motor Removal
361
Upper Redrive Removal
363
Base Printer - Bottom Removals
364
Duplex Removal (Mx71X)
365
Duplex Removal (Mx81X)
366
Duplex Front Flap Removal
368
Duplex Rear Flap Removal
369
Left Frame Extension Removal (Mx71X)
370
Left Frame Extension Removal (Mx81X)
372
Media Tray Removal
374
Media Size Actuator Removal
375
Pick Roller Assembly Removal
377
Sensor (Duplex Path) Removal
378
Sensor (Tray 1 Media Out) Removal
379
Right Frame Extension (Mx71X)
381
Separator Roller Assembly Removal
381
Right Frame Extension Removal (Mx81X)
383
Base Printer - Left Removals
385
Controller Board Removal
386
Controller Board Access Cover Removal
387
Controller Board Access Shield Removal
388
Fuser Drive Motor Removal
388
Main Cooling Fan Removal
390
Main Drive Motor Removal
391
Media Feeder Removal
393
PCBA Housing Removal
394
Sensor (Control Panel Interlock) Removal
396
Sensor (Pick Roller Position) Removal
397
Toner Add Motor Removal
398
Base Printer - Right Removals
399
Cartridge Cooling Fan Removal
400
Duplex Cooling Fan Removal
401
HVPS Removal
402
LVPS Removal
403
Power Switch Removal
406
Control Panel Removals
408
10-Inch Display Removal
409
10-Inch Display (Mx81X) Removal
413
Control Panel Removal (Mx71X)
414
Control Panel Removal (Mx81X)
417
Control Panel Board Removal (Mx71X)
421
Control Panel Board Removal (Mx81X)
422
Control Panel Front Cover Removal
426
Control Panel Latch Removal
428
Control Panel Left Bezel Removal (Mx71X)
429
Control Panel Right Bezel Removal (Mx71X)
431
Left Control Panel Hinge Removal
432
Right Control Panel Hinge Removal
435
Tilting Display Removal (7-Inch and 10-Inch)
438
Standard bin LED Board Removal
440
Control Panel Cover Removal
441
Control Panel Buttons Removal
442
Control Panel Speaker Removal
443
USB Cable Removal
444
ADF and Scanner Removals
445
Adf/Scanner Assembly Removal
445
ADF Assembly Removal
448
ADF Removals
448
ADF Bottom Door Removal
449
ADF Scanner CCD Removal
450
ADF Controller Card Removal
454
ADF Door Removal
455
ADF Feed Belt Removal
456
ADF Float Plate with Springs Removal
457
ADF Front Cover Removal
459
ADF Front Side Drive Parts Pack Removal
460
ADF Input Tray Removal
461
ADF Left Hinge Removal
463
ADF Left Lower Cover Removal
464
ADF Lift Tray Removal
466
ADF Pick Roller Cover Removal
467
ADF Pick Roller Removal
468
ADF Push Button Switch Sensor Removal
469
ADF Rear Cover Removal
470
ADF Rear Side Drive Parts Pack Removal
472
ADF Right Hinge Removal
472
ADF Separation Guide Removal
473
ADF Separator Roller Removal
474
Sensor (ADF 1St Scan) Removal
476
Sensor (ADF Elevator Tray Home Position) Removal
477
Sensor (ADF Lower Door Interlock) Removal
478
Sensor (ADF Top Door Interlock) Removal
479
ADF Tray Lift Drive Removal
480
Bin Extension Removal
484
Deskew Idler Shaft Removal
484
First Scan Roll Drive Gear (40T) Removal
485
Interrupt with Flag Sensor (ADF 2Nd Scan) Removal
486
Interrupt with Flag Sensor (ADF Media Exit) Removal
487
Magnetic Clutch Removal
489
Multifeed Sensor Parts Kit Removal
490
Sensor (ADF Gap Detect) Removal
492
Sensor (ADF Media Present) Removal
493
Sensor (ADF Pick) Removal
494
Sensor (ADF Skew Detect) Removal
495
Separation Roll Drive Gear (29T) Removal
496
Flatbed Scanner Removals
497
Scanner Unit Removal
497
Flatbed Scanner Assembly Removal
499
Flatbed Scanner Front Cover Removal
502
Flatbed Glass Cushion Removal
504
Flatbed Scanner Left Cover Removal Topic
505
Flatbed Scanner CCD Removal
506
Flatbed Scanner Right Cover Removal
506
Flatbed Scanner Drive Parts Kit Removal
510
Flatbed Scanner Glass Removal
513
Flatbed Scanner PCBA Removal
515
Flatbed Tension Pulley with Belt Removal
516
250/550-Sheet Media Tray Option Removals (MX710 and MX711)
520
250/550-Sheet Media Tray Option Removal
521
Media Tray Assembly Removal
521
Media Tray Separation Roller Removal
521
Drawer Pick Roller Removal
522
Media Tray Front Cover Removal
522
Sensor (Pick Roll Position) Removal
522
Drawer Assembly Rear Cover Removal
523
Drawer Assembly Left Cover Removal
524
Drawer Controller PCBA Removal
525
Drawer Upper Interface Cable Removal
526
Drawer Lower Interface Cable Removal
527
Drawer Media Feeder Removal
528
Drawer Transport Motor Removal
530
Sensor (Drawer Pass Through) Removal
531
Sensor (Pick) Removal
533
High Capacity Input Tray Option Removals (MX710 and MX711)
536
HCIT and Drawer Assembly Removal
537
HCIT Drawer Assembly Removal
537
HCIT Removal
537
HCIT Media Guide Removal
538
HCIT Separator Roll Assembly Removal
538
HCIT Front Cover Removal
539
HCIT Pick Arm Assembly Removal
541
HCIT Drawer Assembly Rear Cover Removal
542
HCIT Drawer Assembly Left Cover Removal
543
HCIT Drawer Assembly Right Cover Removal
545
HCIT Controller PCBA Removal
547
HCIT Top Cover Assembly Removal
548
HCIT Lift Drive Motor Removal
550
HCIT Drawer Assembly Interface Cable Removal
552
Sensor (HCIT Media Low) with Flag Removal
553
Sensor (Pick Roll Position) Removal
554
Sensor (HCIT Pick) Removal
556
HCIT Media Feeder Removal
557
550-Sheet Media Tray Option Removals (MX810, MX811, and MX812)
559
550-Sheet Media Tray and Drawer Assembly Removal
560
Media Tray Assembly Removal
560
Media Tray Separation Roller Removal
560
Drawer Pick Roller Removal
561
Media Tray Front Cover Removal
561
Sensor (Pick Roll Position) Removal
561
Drawer Assembly Rear Cover Removal
562
Drawer Assembly Left Cover Removal
563
Drawer Controller PCBA Removal
564
Drawer Upper Interface Cable Removal
565
Drawer Lower Interface Cable Removal
566
Drawer Media Feeder Removal
567
Drawer Transport Motor Removal
569
Sensor (Drawer Pass Through) Removal
570
Sensor (Pick) Removal
572
High Capacity Input Tray Option Removals (MX810, MX811, and MX812)
575
HCIT and Drawer Assembly Removal
576
HCIT Drawer Assembly Removal
576
HCIT Removal
576
HCIT Media Guide Removal
577
HCIT Separator Roll Assembly Removal
577
HCIT Front Cover Removal
578
HCIT Pick Arm Assembly Removal
579
HCIT Drawer Assembly Left Cover Removal
580
HCIT Drawer Assembly Rear Cover Removal
580
HCIT Drawer Assembly Right Cover Removal
581
HCIT Controller PCBA Removal
582
HCIT Top Cover Assembly Removal
583
HCIT Lift Drive Motor Removal
585
HCIT Drawer Assembly Interface Cable Removal
587
Sensor (HCIT Closed) with Flag Removal
588
Sensor (Pick Roll Position) Removal
589
Sensor (HCIT Pick) Removal
591
HCIT Media Feeder Removal
592
Staple Finisher/Offset Stacker Option Removals
594
Staple Finisher/Offset Stacker Option Removal
595
Stapler/Offset Stacker Rear Door Removal
595
Stapler/Offset Stacker Left Cover Removal
597
Stapler/Offset Stacker Top Cover Removal
599
Stapler/Offset Stacker Spring with String Removal
601
Media Stack Flap (Right) Removal
602
Media Stack Flap (Left) Removal
603
Standard Output bin LED Removal
606
Sensor (Finisher/Stacker bin Media Present) Removal
607
Tamper Motor (Left) Removal
608
Tamper Motor (Right) Removal
608
Tamper Drive Belt Removal
609
Paddle Drive Motor Removal
610
Stapler/Offset Stacker Lower Interface Cable Removal
611
Stapler/Offset Stacker Controller PCBA Removal
613
Sensor (bin Full Send) Removal
614
Sensor (bin Full Receive) Removal
615
Stapler Right Cover Removal
617
Stapler-Unique FRU Removals
617
Stapler Cartridge Access Door Removal
619
Stapler Carriage Assembly Removal
620
Sensor (Cartridge Door Interlock) Removal
621
Stapler Door Close Limit Switch Removal
621
Mailbox Option Removals
623
Mailbox Assembly Removal
624
Mailbox Rear Door Removal
624
Mailbox Top Cover Removal
624
Mailbox Right Cover Removal
626
Mailbox Spring with String Removal
627
Mailbox Solenoid Removal
628
Mailbox Left Cover Removal
630
Mailbox Controller PCBA Removal
631
Sensor (Mailbox Divert Motor) Removal
633
Mailbox Lower Interface Cable Removal
634
Mailbox Divert Motor Removal
636
Mailbox Upper Interface Cable Removal
636
Mailbox Media bin Full Flag Removal
638
Sensor (Mailbox bin Full Receive) Removal
639
Mailbox Belt Removal
642
Mailbox Output bin LED Assembly Removal
644
Component Locations
649
Connectors
649
Controller Board
649
ADF Controller Board
660
Flatbed Controller Board
662
Maintenance
665
Inspection Guide
665
Scheduled Maintenance
667
Fuser Maintenance Kits
667
Identifying the Type of Fuser Used in the Printer
667
Replacing Fuser Maintenance Kits
667
Resetting the Roller Kit Counter
669
Preventive Maintenance
670
Device-Specific Preventive Maintenance
670
Lubrication Specification
670
Cleaning the Printer
670
Cleaning the Exterior of the Printer
670
Cleaning the Scanner Glass
670
Cleaning the Printhead Lenses
671
Parts Catalog
672
Legend
673
Assembly 1: Covers (Mx71X)
675
Assembly 2: Covers (Mx81X)
677
Assembly 3: Paper Path
681
Fusers
683
Electronics
685
Assembly 6: Drive Motors
689
Duplex
691
Frame
693
Assembly 9: Control Panel (Mx71X)
695
Assembly 10: Control Panel 10-Inch Display (Mx81X)
699
Assembly 11: Paper Tray
701
Assembly 12: ADF Assembly
703
Assembly 13: ADF Covers
705
Assembly 14: ADF Mechanical
709
Assembly 15: ADF Electronics
711
Assembly 16: Flatbed Scanner (MX710 and MX711)
715
Assembly 17: Flatbed Scanner (MX810, MX811 and MX812)
719
Assembly 18: Input Options (MX710 and MX711)
723
Assembly 19: Input Options (MX810, MX811 and MX812)
725
Assembly 20: 250-Sheet Tray Option (MX710 and MX711)
727
Assembly 21: 550-Sheet Tray Option (MX710 and MX711)
729
Assembly 22: 550-Sheet Tray Option (MX810, MX811, MX812)
731
Assembly 23: High Capacity Input Tray Option 1 (MX710 and MX711)
733
Assembly 24: High Capacity Input Tray Option 2 (MX710 and MX711)
735
Assembly 25: High Capacity Input Tray Option 3 (MX810, MX811, MX812)
737
Assembly 26: High Capacity Input Tray Option 4 (MX810, MX811, MX812)
739
Assembly 27: Output Options (MX810, MX811, and MX812)
741
Assembly 28: Staple Finisher Option 1
743
Assembly 29: Staple Finisher Option 2
745
Assembly 30: Mailbox Option 1
747
Assembly 31: Mailbox Option 2
749
Assembly 32: Offset Stacker Option 1
751
Assembly 33: Offset Stacker Option 2
753
Assembly 34: Miscellaneous
755
Assembly 35: Power Cords
757
Appendix A: Printer Specifications
759
Power Specifications
759
Operating Clearances
760
Acoustics
760
Environment
761
Processor
761
Security Reset Jumper
761
Printer Skew Specifications
762
Appendix B: Options and Features
765
Available Internal Options
765
Input Options Supported
765
Output Options Supported
765
Physical Specifications (Options)
766
Appendix C: Theory of Operation
767
Models Mx81X and Mx71X Paper Path Rollers and Sensors
768
Models Mx81X and Mx71X Sensors
769
Functions of Main Components
769
Media Tray Assembly
769
Rear Media Guide
770
Side Media Guide
770
Media Tray
770
Media Feeder
770
Sensor (Media Size)
770
Sensor (Pick Roller Position)
770
Multi-Purpose Feeder (MPF)
770
MPF Pick Roller
771
MPF Pick Solenoid
771
Registration
771
Sensor (Input)
772
Duplex
772
Sensor (Duplex Path)
772
Transfer
772
Transfer Roller
773
Printhead
774
Fuser Components
775
Heat Belt (Belt Fuser)
776
Pressure Roll
776
Thermistor
776
Sensor (Fuser Exit)
777
Exit
777
Sensor (Standard bin Full)
777
Drive
777
Fuser Drive Motor Assembly
778
Main Drive Motor Assembly
778
Redrive Motor Assembly
778
Toner Add Motor Assembly
778
Sensors
779
Electrical Components and Controller
780
Cartridge Cooling Fan
780
Duplex Cooling Fan
780
Main Cooling Fan
780
Sensor (Control Panel Door Interlock)
780
Sensor (Rear Door Interlock)
780
Controller Board
781
HVPS Board Assembly
781
LVPS Board Assembly
781
Xerographic and Print Cartridge Components
781
Document Scanning at ADF
785
Document Scanning at Platen
785
Names and Functions of Components
786
Flatbed Scanner
786
ADF Components
788
Supported Paper Sizes, Types, and Weights
790
Paper Types and Weights Supported by the Printer
790
Paper Sizes Supported by the Printer
791
Paper Sizes, Types, and Weights Supported by the Optional Finishers
792
Output Options Theory
794
Mailbox Theory
794
Staple Finisher Theory
795
Appendix D: Acronyms
797
Acronyms
797
Index
799
Part Number Index
807
Part Name Index
821
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