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CS725R
Lexmark CS725R Service Manual
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550-sheet tray interface cable removal
1
R
emove the tray insert.
2
R
emove the
right cover
. See
“550-sheet tray right
cover removal” on
page
375
.
3
Disconnect the two cables (A),
and then remove the screws (B).
A
B
4
Squeeze, and then push the latches into
the tray base t
o release the cable.
5028
R
epair inform
ation
383
382
384
Table of Contents
Default Chapter
1
Service Manual
1
Product Information
2
Edition Notice
2
January
2
Table of Contents
3
Notices and Safety Information
13
Laser Notice
13
Avis Relatif À L'utilisation du Laser
13
Notificació del Làser
13
Aviso de Láser
13
Aviso sobre Laser
14
Avvertenze Sui Prodotti Laser
14
Laserinformatie
14
Lasererklæring
14
Laser-Hinweis
15
Laserilmoitus
15
Lasermerknad
15
Meddelande Om Laser
15
レーザーについて
16
레이저 고지사항
16
激光注意事项
16
雷射聲明
16
Safety Information
16
Consignes de Sécurité
17
Informació de Seguretat
17
Información de Seguridad
18
Informações sobre Segurança
18
Informatie over Veiligheid
18
Informazioni Sulla Sicurezza
19
Säkerhetsinformation
19
Sicherheitshinweise
20
Sikkerhedsoplysninger
20
Sikkerhetsinformasjon
20
Turvallisuusohjeet
21
안전 정보
21
安全信息
21
安全情報
22
安全資訊
22
Preface
23
Conventions
23
General Caution Statements
23
General Information
25
Finding the Serial Number
25
Paper and Specialty Media Guide
26
Paper Guidelines
26
Using Specialty Media
27
Supported Paper Sizes, Types, and Weights
29
Supported Paper Types and Weights
30
Data Security Notice
31
Tools Required for Service
31
Diagnostic Information
33
Troubleshooting Overview
33
Performing the Initial Troubleshooting Check
33
Power-On Reset (POR) Sequence
33
Fixing Print Quality Issues
34
Initial Print Quality Check
34
Toner Easily Rubs off Check
34
Background or Gray Background Check
36
Blank or White Pages Check
37
Gapping or Half Color Page Check
39
Blurred Print or Color Misalignment Check
40
Horizontal Colored Lines or Banding Check
41
Text or Images Cut off Check
43
Mottled Print and Dots Check
43
Vertical White Lines Check
44
Ghost Images Check
46
Solid Color or Black Image Check
47
Vertical Colored Lines or Banding Check
48
Image Void Scan Direction Check
49
Image Void Process Direction Check
51
Dark Print Check
52
Missing Color Check
53
Uneven Print Density Check
54
Repeating Defects Check
55
Random Marks Check
57
Light Print Check
57
Skewed Print Service Check
60
Paper Jams
61
Avoiding Jams
61
Identifying Jam Locations
63
Paper Jam in Trays
64
Paper Jam in the Multipurpose Feeder
65
Paper Jam in the Standard bin
65
Paper Jam in Door a
66
Paper Jams
69
Paper Jams
75
Paper Jams
76
Paper Jams
84
Paper Jams
85
Paper Jams
86
Paper Jams
87
Paper Jams
93
Paper Jams
99
Paper Jams
104
Paper Jams
116
Paper Jams
124
User Attendance Messages
149
User Attendance Error Messages
149
User Attendance Error Messages
150
User Attendance Error Messages
151
User Attendance Error Messages
152
User Attendance Error Messages
153
User Attendance Error Messages
154
User Attendance Error Messages
155
Non-Supply User Attendance Error Messages
155
Missing Toner, Developer, or Photoconductor Service Check
156
Waste Toner Bottle Service Check
158
Region Mismatch Service Check
158
Maintenance Kit Service Check
159
Cartridge or Photoconductor Error Service Check
159
Mismatched Paper Size Service Check
160
Insufficient Memory Service Check
161
Complex Page Service Check
161
Flash Memory Failure Service Check
162
Insufficient Flash Memory Service Check
162
Unsupported Internal Option Service Check
163
Excess Options Service Check
164
Incompatible Hardware Option Service Check
165
Printer Hardware Errors
166
Error Message
171
Printhead Service Check
182
Fuser Service Check
184
Lvps Service Check
185
Main Fan Service Check
200
Yy Errors
201
Yy Errors
207
Symptoms
223
Interlock Switch Service Check
224
Sensor (Narrow Media) and Sensor (Fuser Buckle) Service Check
226
Mobile Solutions Module NFC Service Check
228
Network Service Check
229
Toner Meter Cycle (TMC) Card Service Check
232
USB Service Check
233
Toner Patch Sensing Service Check
234
Auto Alignment Service Check
236
Service Menus
241
Understanding the Status of the Power Button and Indicator Light
242
Menus List
243
Diagnostics Menu
244
Reports
245
Printer Setup
246
Printer Diagnostics and Adjustments
248
Additional Input Tray Diagnostics
250
General SE
251
Repair Information
253
Handling Esd‑Sensitive Parts
254
Restoring the Printer Configuration after Replacing the Controller Board
255
Restoring Solutions, Licenses, and Configuration Settings
258
Updating the Printer Firmware
259
Backing up Esf Solutions and Settings
260
Adjustments
261
Registration Adjustment
263
Removal Procedures
265
Top Cover Removal
268
Left Cover Removal
271
Right Cover Removal
272
Motor Cover Removal
273
Toner Door Removal
276
Toner Door Mount Bracket Removal
278
Toner Door Mount Removal
279
External Air Filter Removal
280
Badge Cover Removal
283
Number Pad Cover Removal
284
Speaker Removal
286
Control Panel Base Cover Removal
287
Duplex Removals
289
Duplex Inner Guide Removal
291
Tensioner Belt Removal
292
Sensor (Duplex) Removal
293
Sensors (Fuser Buckle and Narrow Media) Removal
294
Left Removals
296
Power Cable Removal
297
Motor (Deskew) Removal
299
Main Fan Removal
301
EP Gear Box Removal
302
LVPS Removal
305
LVPS Cage Removal
308
Motor (Black Only Retract) Removal
309
Right Removals
311
Sensor (Paper Size) Removal
312
Sensor (Waste Toner Contact) Removal
314
TMC Card Removal
315
Motor (Fuser) Removal
318
HVPS Removal
319
Sensor (MPF Paper Present) Removal
322
Waste Toner Bottle Idler Gear Removal
324
Sensor (TPS) Removal
325
TPS Sled Removal
327
Toner Cartridge Contacts Removal
328
TPS Wiper Mechanism Removal
330
TPS Wiper Removal
332
Front Removals
333
Transfer Module Removal
334
Transfer Module Guide Rail Removal
336
Sensor (Media Type) Removal
340
Sensor (Input) Removal
341
Deskew Rollers Removal
342
Diverter Removal
350
Redrive Guide Removal
354
Rear Removals
356
Inner Controller Board Shield Removal
357
TPS Cables Removal
359
Secure Element SIM Card Removal
360
Top Removals
361
Developer Hold down Removal
363
Output Roll Removal
364
Output bin Exit Cover Removal
367
Bottom Removals
368
Tray Rail Removal
369
Aligner Idler Gears Removal
370
Isolation Unit Removal
371
Media Feeder Removal
373
Sheet Tray Removals
375
Motor (550-Sheet Tray Pass‑Through) Removal
376
Sheet Tray Paper Feeder Removal
378
Sensor (550-Sheet Tray Pass-Through) Removal
379
Sensor (550-Sheet Tray Trailing Edge) Removal
380
Sheet Tray Controller Board Assembly Removal
382
Sheet Tray Interface Cable Removal
383
Sheet Tray Empty Sensor Actuator Removal
384
Sensor (550-Sheet Tray Empty) Removal
385
Sensor (550-Sheet Tray Index) Removal
386
Component Locations
389
Controller Board Connectors
390
LVPS Controller Board Connectors
402
Motor Locations
404
Sensor Locations
405
Maintenance
407
Maintenance
408
Scheduled Maintenance
408
Identifying the Type of Fuser Used in the Printer
409
Cleaning the Printer
410
Cleaning the Main Tray Duplex Turnaround
411
Parts Catalog
412
Assembly 1: Covers 1
413
Assembly 2: Covers 2
415
Assembly 3: Control Panel
417
Assembly 4: Fuser
419
Assembly 5: Transfer Module
421
Assembly 6: Paper Feed
423
Assembly 7: Paper Path 1
425
Assembly 8: Paper Path 2
427
Assembly 9: Duplex
429
Assembly 10: Electrical
431
Assembly 11: 550‑Sheet Tray Option 1
435
Assembly 12: 550‑Sheet Tray Option 2
437
Assembly 13: Adjustable Stand
439
Assembly 14: Miscellaneous Parts
441
Assembly 15: Power Cords
443
Appendix A: Printer Specifications
445
Off Mode
446
Noise Emission Levels
447
Appendix B: Options and Features
449
Adding Available Options in the Print Driver
450
Appendix C: Theory of Operation
453
MPF Section
454
Isolation Unit Section
455
Aligner Section
456
Fuser Section
458
Duplex Section
459
Print Engine Theory
461
Color Theory
469
Appendix D: Acronyms
473
Index
475
Part Number Index
481
Part Name Index
487
Wiring Diagram
493
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Lexmark CS725R Specifications
General
Brand
Lexmark
Model
CS725R
Category
Printer
Language
English
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