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Lexmark
All in One Printer
X945
Lexmark X945 Service Manual
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General information
1-21
7510
The MPF/transport drive motor is a stepper motor that
drives the MPF unit assembly and media
transport roll.
CMYK PC
cartridge drive motor assembly
The CMYK PC cartridge drive motor assembly uses dual
DC brushless motors that drive the four drums in the
four PC cartridges.
K
developer/transport
drive
motor
assembly
MPF/transport
drive
motor
K drive motor
CMY drive motor
50
52
Table of Contents
Default Chapter
3
Table of Contents
3
Table of Contents
21
Notices and Safety Information
21
Laser Notice
21
Safety Information
27
Preface
30
Conventions
30
General Information
31
Printer Technology
31
Processor
31
Memory
31
Acoustics
31
Environment
31
Connectivity
31
Size and Weight - Without Finisher
31
Specifications
31
Printer Overview
33
Basic Model
33
Configured Model
34
Printer Theory
35
Media Transport
35
Media Transport Path
35
MFP Paper Path Rolls
36
MFP Sensors
37
Functions of Main Components
37
Media Tray Assembly
37
Rear Media Guide
38
End Guide
38
Bottom Plate
38
Media Tray Assembly
38
Detection of Media Size
38
Media Feed Unit Assembly
38
Media Feed/Lift Motor
39
Switch (Media Size)
39
Sensor (Media Out)
39
Sensor (Media Level)
39
Sensor (Feed-Out)
39
Multi-Purpose Feeder (MPF)
39
MPF Feed Roll
40
MPF Pick Solenoid
40
Sensor (MPF Media Out)
40
Sensor (MPF Media Width)
40
Media Size
40
Registration
41
Sensor (Registration)
41
Sensor (Transparency Detect)
41
Registration Clutch
41
Media Transport Roll Assembly
41
Registration Roll Assembly
41
Transfer
42
Transfer Belt Drive Motor Assembly
42
Transfer Belt Cleaning Assembly
42
Transfer Belt Unit Assembly
43
Transfer Belt Steering Motor
43
2Nd Transfer Roll Assembly
43
2Nd Transfer Roll Retract Motor
43
Sensor (2Nd Transfer Roll HP)
44
Printhead Assembly
44
Printhead Shutter
47
Fuser
48
Heat Roll
48
Pressure Belt
49
Heater Lamp
49
Thermostat
49
Front Thermistor
49
Rear Thermistor
49
Fuser Exit Sensor
49
Exit
49
Standard Media Exit Roll Assembly
50
Sensor (Standard bin Full)
50
Standard Media Exit Shift Motor
50
Duplex Diverter Gate
50
Drive
50
K Developer/Transport Drive Motor Assembly
50
Mpf/Transport Drive Motor
50
CMYK PC Cartridge Drive Motor Assembly
51
CMY Developer Drive Motor Assembly
52
K Developer Clutch
52
CMYK Toner Add Motor Assembly
52
Waste Toner Agitator Motor Assembly
53
Electrical Components and Controller
53
Switch (Main Power)
53
Finisher AC Output
53
Switch (Printer Front Door Interlock) and Switch (Printer Left Door Interlock)
53
Switch (Printer Left Lower Door Interlock)
53
Fuser Cooling Fan
53
AC Drive Card Assembly
53
LVPS Card Assembly
54
CMYK Transfer Roll HVPS Card Assembly
54
Developer Roll HVPS Card Assembly
54
Charge Roll HVPS Card Assembly
54
Upper Printer Engine Card Assembly
55
Lower Printer Engine Card Assembly
55
RIP Card Assembly
55
Control
56
Media Size Control
56
Printhead Control
56
Rotation of Printhead Motor
56
Determination of Printhead Ready
57
Printhead Reference Value
57
Fuser Control
57
Fuser Control Method
57
Main/Sub Heater Lamps On/Off Control
57
Fuser Warm-Up
57
Xerographic Process During a Print Cycle
58
Charge
59
Exposure
60
Development
60
Transfer
61
Cleaning
62
Discharge
62
Auto Density Sensing
63
Document Scanning
64
Document Scanning at Platen
64
Document Scanning at ADF
65
Setting a Document
65
Preparation for Feed
65
Pre-Feed
66
Pre-Registration
66
Scan Control
67
Inversion
67
Simplex Document
68
Duplex Document
69
Image Data Flow
71
Drive Torque Transfer Scheme
72
ADF Feed Motor Assembly
72
ADF Registration Motor
72
Gear Layout
73
Names and Functions of Components
75
Scanner Unit Assembly
75
Sensor (Platen Length APS 1)
75
Sensor (Platen Length APS 2)
75
Switch (Platen Interlock)
75
Sensor (ADF Angle)
75
Scanner Drive Motor Assembly
75
Sensor (Scanner HP)
75
Scanner Exposure Lamp
75
Exposure Lamp PS Card Assembly
75
Adf
76
Sensor (ADF Tray Length 1)
76
Sensor (ADF Tray Length 2)
76
Sensor (Document Tray Width 1)
76
Sensor (ADF Document Set)
76
Pick Roll Position Motor Assembly
76
Sensor (Pick Roll Position HP)
76
ADF Document Set LED
77
Switch (ADF Left Cover Interlock)
77
ADF Controller Card Assembly
77
Sensor (ADF APS 1)
77
Sensor (ADF APS 2)
77
Sensor (ADF APS 3)
77
Sensor (ADF Sheet Through)
77
Sensor (ADF Pre-Registration)
77
Sensor (ADF Registration)
78
Sensor (ADF Inverter)
78
ADF Feed Motor Assembly
78
ADF Registration Motor
78
Inverter Solenoid Assembly
78
Control
80
Document Size Detection at Scanner Unit Assembly
80
Document Size Detection Timing
80
Identification of Standard Document Sizes
80
ADF Document Size Detection
82
Document Scanning Steps
84
AGC (Auto Gain Control): White Level Coarse Adjustment
85
AOC (Auto Offset Control)
85
Shading Compensation
85
White Level Variation Compensation
85
Black Level Variation Compensation
85
TTM Theory
86
Media Transport
87
Media Transport Path
87
Functions of Main Components
88
Media Tray Assembly
88
Rear Media Guide
88
Media Transport Path
88
Bottom Plate
89
Tray 2 Media Tray Assembly
89
Tray 3 or 4 Media Tray Assembly
90
TTM Media Feed Units
91
Media Feed Unit Assembly
91
Media Feed Lift Motor
91
Switch (Media Size)
91
This Switch (Media Size) Sets the Size of Media Supplied from each Media Tray a
91
Switch (TTM Media Size)
91
Sensor (Media Out)
91
Sensor (Media Level)
91
Main Components
92
Switch (Tray Module Left Door Interlock)
92
Sensor (Tray 2 Feed-Out)
92
Sensor (Tray 3 Feed-Out)
92
Sensor (Tray 4 Feed-Out)
92
Tray Module Media Transport Roll Assembly
92
Tray Module Drive Motor
93
TTM Tray 4 Media Transport Motor
93
TTM Controller Card Assembly
93
Switch (TTM Media Size)
94
3TM Theory
95
Media Transport
96
Media Transport Path
96
Media Transport Path
97
Functions of Main Components
97
Media Tray Assembly
97
Media Feed Unit Assembly
97
Rear Media Guide
97
Bottom Plate
98
Tray 2, 3, 4 Media Tray Assembly
98
3TM Media Feed Units
98
Media Feed Unit Assembly
98
Media Feed Lift Motor
98
Switch (Media Size)
98
Sensor (Media Out)
98
Sensor (Media Level)
98
Main Components
99
Switch (Tray Module Left Door Interlock)
99
Sensor (Tray 2 Feed-Out)
99
Sensor (Tray 3 Feed-Out)
99
Sensor (Tray 4 Feed-Out)
99
Tray Module Media Transport Roll Assembly
99
Tray Module Drive Motor
100
3TM Controller Card Assembly
100
Switch (Media Size)
101
1TM Theory
102
Media Transport
103
Media Transport Path
103
Media Transport Path
104
Functions of Main Components
104
Media Tray Assembly
104
Rear Media Guide
104
Bottom Plate
104
Tray 2 Media Tray Assembly
105
1TM Media Feed Units
105
Media Feed Unit Assembly
105
Media Feed Lift Motor
105
Switch (Media Size)
106
Sensor (Media Out)
106
Sensor (Media Level)
106
Main Components
106
Switch (Tray Module Left Door Interlock)
106
Sensor (Tray 2 Feed-Out)
107
Tray Module Media Transport Roll Assembly
107
Tray Module Drive Motor
107
1TM Controller Card Assembly
107
Switch (Media Size)
108
Duplex
109
Layout of Media Transport Path
110
Functions of Main Components
110
Switch (Duplex Left Door Interlock)
110
Sensor (Duplex Wait)
110
Duplex Media Transport Roll Assembly
110
Duplex Controller Card Assembly
111
Duplex Drive Motor
111
Tools Required for Service
112
Acronyms
113
Diagnostic Information
115
Start
115
Confirm the Installation Status
116
Power-On Reset Sequence
116
Control Panel
117
Home Screen and Home Screen Buttons
119
Using the LCD Touch-Screen Buttons
122
Sample Screen One
122
Information on Touch-Screen Buttons
122
Sample Screen Two
124
Information on Touch-Screen Buttons
124
Other Touch-Screen Buttons
125
Features
126
To Enter the Diagnostic Menu
127
Error Code Table
127
Service Checks
153
Sensor (Registration) Late Jam
153
Sensor (Registration) Lag Jam
154
Sensor Static Jam
156
Sensor (Media on Belt) Late Jam
157
Sensor (Fuser Exit) Late Jam
158
Sensor (Fuser Exit) Lag Jam
160
Sensor (Duplex Wait) Late Jam (Duplex Media Feed)
161
Sensor (Registration) Late Jam (Duplex Feed)
163
Sensor (Registration) Late Jam (Duplex Media Feed)
165
Sensor (Tray 1 Feed-Out) Late Jam
167
Sensor (Tray 2 Feed-Out) Late Jam
169
Sensor (Tray 1 Feed-Out) Late Jam (Feeding from Tray 2)
170
Sensor (Tray 3 Feed-Out) Late Jam
171
Sensor (Tray 2 Feed-Out) Late Jam (Feeding from Tray 3)
173
Sensor (Tray 4 Feed-Out) Late Jam
175
Sensor (Tray 3 Feed-Out) on Jam (Feeding from Tray 4)
177
Sensor (Registration) Late Jam (Feeding from the MPF)
178
Switch (Sheet Through) Static Jam
180
Sensor (Sheet Through) Late Jam
181
Sensor (ADF Pre-Registration) Late Jam (Side 1)
183
Sensor (ADF Pre-Registration) Lag Jam
184
Sensor (ADF Pre-Registration) Static Jam
187
Sensor (ADF Registration) Late Jam (Side 1)
188
Sensor (ADF Registration) Late Jam (Side 2)
189
Sensor (ADF Registration) Lag Jam
192
Sensor (ADF Inverter) Late Jam (Inverting)
194
Sensor (ADF Registration) Lag Jam (Inverting)
196
Sensor (ADF Width APS1), Sensor (ADF Width APS 2) and Sensor (ADF Width APS 3) Static
199
Sensor (ADF Width APS 1) Static Jam
200
Sensor (ADF Width APS 2) Static Jam
201
Sensor (ADF Width APS 3) Static Jam
202
Sensor (ADF Registration) Static Jam
203
Sensor (ADF Inverter) Lag Jam (Inverting)
203
Sensor (ADF Inverter) Late Jam 2
205
291 02 Sensor (ADF Inverter) Late Jam 2
207
Sensor (ADF Inverter) Lag Jam
207
ADF Raised Jam
209
ADF Left Cover Jam
209
Document Missing Jam
209
Sensor (ADF Inverter) Static Jam
210
Sensor (ADF Pre-Registration) Late Jam (Side 2)
211
Sensor (ADF Pre-Registration) Lag Jam (Inverting)
213
Size Mismatch Jam (MIX-Size)
216
Size Mismatch Jam (no MIX-Size)
218
Invalid Combine Size Jam
219
Too Short Size Jam
220
Too Long Size Jam
221
Mixed Size Not Supported
223
Scanner Cable Missing or Unplugged
223
Black Toner Cartridge Detection Error 841.00 Image Pipeline ASIC Error
223
Scanner Communication Error
224
Scanner Communication Error
226
Scanner Communication Error
227
Scanner Unit Assembly - ADF Communication Error
227
Scanner Communication Error (by Scanner)
228
Scanner Unit Assembly Communication Error
228
Sensor (Scanner HP) Error
229
Scanner Carriage over Run Error
230
ADF RAM Test Error
231
ADF EEPROM Error
231
ADF Pick Roll Position Lift up Error
231
Scanner Unit Assembly Connection Error
233
Scanner Unit Assembly EEPROM Error
233
Scanner Unit Assembly EEPROM Sub System Error
233
Scanner Cooling Fan Error
234
Image Processing Error
235
Scanner Controller Card Assembly Error 1
235
Scanner Controller Card Assembly Error 2
236
Exposure Lamp Error
236
White Reference/Exposure Lamp Illumination Error
237
CCD Error
238
CCD Initialization (Lamp On) Error
239
CCD Initialization (Lamp Off) Error
240
Scanner Communication Error
240
Scanner Communication Error
241
Sensor (ADF Width APS X) Error
241
Scanner Unit Assembly Software Logic Error
243
Switch (Platen Interlock) Open
243
Modem Error
244
Fax Storage Error
244
Fax/Modem Configuration ID Mismatch
245
Hard Drive/Configuration ID Mismatch
245
901 XX RIP Card Assembly Software Error
246
900 XX RIP Card Assembly Software Error
246
General Upper Engine Error Fuse #1
246
XX RIP Card Assembly Software Error
246
General Upper Engine Error Fuse #2
248
General Upper Engine Error Fuse #3
248
General Lower Engine Error Fuse #1
249
General Lower Engine Error Fuse #2
250
General Lower Engine Error Fuse #3
250
General Lower Engine Error Fuse #4
251
General Lower Engine Error Fuse #5
252
K Developer/Transport Drive Assembly Motor Error
254
K PC Drive Motor Error
255
CMY PC Drive Motor Error
256
Developer Drive Motor Error
256
Sensor (Transfer Belt HP) Late Error
257
Transfer Belt Position Failure
258
Sensor (Transfer Belt Edge) Failure
259
Sensor (2Nd Transfer Roll Retract HP) Late Error
259
Sensor (2Nd Transfer Roll Retract HP) Lag Error
261
Sensor (CMY Transfer Roll Retract HP) Late Error
262
Sensor (CMY Transfer Roll Retract HP) Lag Error
262
CMY Transfer Roll Retract Motor Time out
263
NVM Read/Write Cannot be Executed Error
263
Marking Device Video Error
263
Marking Device Xerographics Error
264
Marking Device Other1 Error
264
Marking Device Paper Handling Error
264
Marking Device Other2 Error
264
Printhead Polygon Mirror Motor Error
265
Y Laser SOS Internal Error
265
M Laser SOS Internal Error
265
C Laser SOS Internal Error
266
K Laser SOS Internal Error
266
Printhead Control Error
267
Waste Toner Full Error
267
LVPS Cooling Fan Error
268
Transfer Belt Drive Motor Cooling Fan Error
268
Fuser Cooling Fan Lock Error
269
Standard Media Exit Shift Error
269
Fuser Main Lamp Overheat Error
270
Front Thermistor Disconnection Error
270
Fuser Sub Lamp Overheat Error
271
Rear Thermistor Disconnection Error
271
Main Lamp Warm up Error
272
Main Lamp On-Time Error
273
Sub Lamp Warm-Up Failure
273
Sub Lamp On-Time Error
274
Yellow Toner RFID Communication Error
274
Magenta Toner RFID Communication Error
275
Cyan Toner RFID Communication Error
275
Black Toner RFID Communication Error
276
Sensor (y ATC) Error
276
Sensor (M ATC) Error
277
Sensor (C ATC) Error
277
Sensor (K ATC) Error
278
MPF Tray 5 Size Sensing Error
278
Switch (Media Size) Size Sensing Error (Tray 1)
279
Sensor (Media Level) Late Error (Tray 1)
280
Switch (Media Size) Size Sensing Error (Tray 2)
281
Sensor (Media Level) Late Error (Tray 2)
281
Switch (Media Size) Size Sensing Error (Tray 3)
282
Sensor (Media Level) Late Error (Tray 3)
283
Switch (Media Size) Size Sensing Error (Tray 4)
284
Sensor (Media Level) Late Error (Tray 4)
285
Through 950.29 EPROM Mismatch Failure
286
Through 950.60 EPROM Mismatch Failure
287
RIP Card Assembly NVRAM Failure
288
Interconnect Card Assembly NVRAM CRC Failure
288
Operator Panel Assembly NVRAM Failure
289
Interconnect Card Assembly NVRAM Failure
289
RIP Card Assembly NAND CRC Failure
290
RIP Card Assembly Processor Failure
290
RIP Card Assembly Processor over Temperature Failure
290
RIP Card Assembly Cooling Fan Failure
291
RIP Card Assembly FPGA Failure
291
Communication Error with 1TM, 3TM, or TTM Assembly
291
HVPS Controller Communication Error
292
Communication Error between Printer and RIP Card Assembly
293
Communication Error with Finisher Controller Card Assembly
293
1TM, 3TM or TTM Left Door Assembly Open
294
Duplex Left Door Assembly Open
295
Media Size Mismatch in Width
296
No Media in the Selected Media Tray
297
Paper Is Installed (Short Edge) in the Media Paper Tray
299
PC Cartridge End of Life
299
Printer Front Door Assembly Open
300
Printer Left Door Open
301
Transfer Belt Access Door Open
302
Printer Left Lower Door Assembly Open
302
Maintenance Required
303
ADF Maintenance Required
304
Standard Media bin Full
304
Scanner Unit Assembly Not Detected
304
ADF Left Cover Assembly Is Open
305
Toner Cartridge Error
306
Toner Cartridge Set Error
306
Waste Toner Cartridge Full
307
Waste Toner Cartridge Not Detected
307
Waste Toner Cartridge Nearly Full
308
Color> PC Cartridge Invalid
309
Color> PC Cartridge Not Detected
309
CMY PC Cartridges Nearly Exhausted
310
CMY PC Cartridges Exhausted
310
K PC Cartridge Nearly Exhausted
310
K PC Cartridge Exhausted
311
Color> Toner Cartridge Nearly Empty
311
Color> Toner Cartridge Empty
312
Color> Toner Cartridge Detection Error
313
Incorrect Black Toner Cartridge Error
314
Incorrect <Color> Toner Cartridge Error
314
Tray 1 Media Size Mismatch Error
314
Tray 2 Media Size Mismatch Error
315
Tray 3 Media Size Mismatch Error
316
Tray 4 Media Size Mismatch Error
316
Tray 1 Media Type Mismatch Error
317
Tray 2 Media Type Mismatch Error
318
Tray 3 Media Type Mismatch Error
319
Tray 4 Media Type Mismatch Error
319
Image Quality Trouble
321
Printer Related Troubleshooting
321
Image Quality Symptoms
321
Image Quality
322
Faint Print (Low Contrast)
322
Blank Print (no Print)
324
Solid Black
326
Vertical Lines and Bands (Process Direction)
327
Horizontal White Stripes or Bands (Side to Side Direction)
329
Vertical Stripes (Process Direction)
331
Horizontal Stripes (Side to Side Direction)
333
Partial Lack
335
Spots
337
After Image
338
Background (Fog)
340
Skew
342
Media Damage
344
No Fuse
346
Color Misregistration
347
Deletions
348
High Frequency Bands
349
ADF & Scanner Related Troubleshooting
350
Image Quality Symptoms
350
ADF & Scanner Image Quality
351
Dark Image Quality (Using ADF or Scanner)
351
Vertical Lines (Process Direction Using the ADF)
352
Spots (Using Flatbed Scanner)
353
Skew (Using ADF)
354
Media Damage (Using ADF)
355
Diagnostic Aids
357
Accessing Service Menus
357
Diagnostics Menus
358
Entering Diagnostics Menus
358
Available Tests
358
Motor Tests
362
Print Tests
363
Input Source Print Test
363
Print Quality Test Pages
363
Hardware Tests
364
Panel Test
364
Button Test
364
DRAM Test
365
CACHE Test
365
Duplex Tests
365
Quick Test
365
Sensor Test (Duplex)
366
Input Tray Tests
366
Feed Tests
366
Sensor Test (Input Tray)
367
Output bin Tests
367
Feed Tests (Output Bins)
367
Feed to All Bins
368
Sensor Test (Output Bin)
368
Finisher Tests
368
Staple Test
368
Hole Punch Test
369
Feed Tests (Finisher)
369
Sensor Test (Finisher)
369
Base Sensor Test
371
Device Tests
372
Quick Disk Test
372
Disk Test/Clean
373
Printer Setup
374
Defaults
374
Printed Color Page Count
374
Printed Mono Page Count
375
Permanent Page Count
375
Serial Number
375
Engine Setting 1 to 4
375
Model Name
375
Configuration ID
375
Event Log
376
Display the Event Log
377
Print the Event Log
378
Clear the Event Log
378
Scanner Tests
379
ASIC Test
379
Feed Test
379
Scanner Manual Registration
380
Sensor Test (Scanner Tests)
380
Trans Belt HP Fail Clear
381
Dev Unit Reset
381
Fuser Temp Fail Clear
381
Atc Sensor Failure Clear
381
Engine Adjust
382
Color Registration (Regcon)
385
Booklet Fold Adjust
385
Finisher Config
385
Testing the Manual Scanner Registration
386
Analyzing the Manual Scanner Registration Copies
387
Manually Adjusting the Scanner's Registration
387
Scanner Manual Registration Factory Defaults
389
Exiting Diagnostics Menu
390
Configuration Menu
391
Entering Configuration Menu
391
Available Menus
391
Maintenance Counter Value
393
Reset Maintenance Counter
393
USB Scan to Local
394
Black Only Mode
394
Print Quality Pages (Configuration Menu)
394
Size Sensing
395
A5/Statement
396
B5/Executive
396
Panel Menus
396
PPDS Emulation
396
Factory Defaults
397
Energy Conserve
397
Min Copy Memory
397
Format Fax Storage
398
EVENT LOG (Configuration Menu)
398
ADF Edge Erase
398
FB Edge Erase
398
Paper Prompts
399
Envelope Prompts
399
Jobs on Disk
399
Disk Encryption
399
Power off
400
Wipe Disk
402
Font Sharpening
404
Require Standby
405
Short Edge Printing
405
Tray Low Message
405
LES Applications
405
Key Repeat Initial Delay
406
Key Repeat Rate
406
Exiting Configuration Menu
406
Repeating Defects
407
Repair Information
409
Handling ESD-Sensitive Parts
409
Removal Procedures
410
Before Starting Service Work
410
Printer Front Door Assembly Removal
411
Right Cover Assembly Removal
412
Top Cover Assembly Removal
412
Rear Cover Assembly Removal
413
Rear Left Middle Cover Removal
414
Rear Left Upper Cover Removal
415
Printer Left Lower Door Assembly Removal
416
MPF Feed Unit Assembly Removal
416
Front Left Cover Removal
417
Duplex Media Inverter Assembly Removal
417
Duplex Unit Assembly Removal
418
Sensor (Duplex Wait) Removal
419
Switch (Duplex Left Door Interlock) Removal
419
Duplex Media Exit Turn Guide Removal
420
Duplex Drive Motor Removal
421
Duplex Controller Card Assembly Removal
422
Fuser Unit Assembly Removal
423
Transfer Belt Unit Assembly Removal
424
Transfer Belt Cleaning Assembly Removal
425
Standard Media Exit Shift Assembly Removal
425
Standard Media Exit bin Full Actuator Removal
426
Switch (Printer Left Door Interlock) Removal
427
Sensor (Standard Media bin Full) Removal
429
Media Feed Unit Assembly 1 Removal
429
Sensor (Media Out) Removal
430
Media out Actuator Removal
430
Sensor (Media Level) Removal
432
Sensor (Fuser Exit) Removal
433
Printer Left Door Assembly Removal
434
Printer Left Door Damper Removal
436
Sensor (Media on Belt) Removal
438
2Nd Transfer Roll Retract Cam Assembly Removal
439
Sensor (2Nd Transfer Roll Retract HP) Removal
442
2Nd Transfer Roll Retract Motor Assembly Removal
443
2Nd Transfer Roll Assembly Removal
443
Registration / Transport Roll Assembly Removal
444
Registration Clutch Removal
445
Sensor (Registration) Removal
445
Sensor (Transparency Detect) Removal
446
Waste Toner Cartridge Cover Removal
447
Waste Toner Cartridge Sensor Assembly Removal
447
Sensor (Waste Toner Cartridge Full) Removal
448
Switch (Waste Toner Cartridge Interlock) Removal
450
Inner Cover Removal
451
Waste Toner Agitator Motor Assembly Removal
452
PC Cartridge Unit Removal
452
Image Density Sensor Assembly Removal
453
CMY Toner Add Assembly Removal
455
K Toner Add Assembly Removal
456
Developer Interlock Plate Assembly Removal
457
Developer Unit Assembly Removal
460
Developer Carrier Removal and Replacement
464
Photoconductor (PC) Unit Assembly Removal
468
Transfer Belt Lift Latch Assembly Removal
470
Transfer Belt Steering Motor Removal
472
CMY Erase Lamp Assembly Removal
472
K Erase Lamp Assembly Removal
473
Printhead Shutter Motor Assembly
475
Switch (Printer Front Door Interlock) Removal
476
Sensor (Printer Left Lower Door Interlock) Removal
477
RIP Card Cooling Fan Cover Assembly Removal
477
Controller Box Assembly Removal
478
Switch (Main Power) Removal
479
Bridge Card Assembly Removal
480
RIP Card Access Cover Removal
481
RIP Card Assembly Removal
481
Fax Interface Card (Modem) Assembly Removal
482
Hard Drive Removal
482
Interconnect Card Assembly Removal
483
Upper Printer Engine Card Bracket Assembly Removal
484
Upper Printer Engine Card Assembly Removal
485
Lower Printer Engine Card Bracket Assembly Removal
487
Lower Printer Engine Card Assembly Removal
488
Transfer Belt Drive Motor Cooling Fan Removal
489
Transfer Belt Drive Motor Assembly Removal
490
Switch (Transfer Belt Access Door Interlock) Removal
490
Laser Diode Power Card Assembly Removal
491
LVPS Card Bracket Assembly Removal
493
LVPS Card Assembly Removal
494
LVPS Card Bracket Assembly Removal
494
LVPS Card Assembly Removal
495
LVPS Cooling Fan Removal
496
Rear Lower Cooling Fan Assembly Removal
497
CMY Developer Drive Motor Assembly Removal
498
CMYK PC Cartridge Drive Motor Assembly Removal
499
Fuser Cooling Fan Removal
500
Main Power Switch Actuator Removal
500
CMYK Toner Add Motor Assembly Removal
501
CMYK Transfer HVPS Card Assembly Removal
502
Printhead Assembly Removal
503
Transfer Belt Waste Toner Auger Assembly Removal
504
K Developer / Transport Drive Motor Assembly Removal
504
K Developer Clutch Removal
507
AC Drive Card Bracket Assembly Removal
508
Noise Filter Assembly Removal
509
Rear Upper Cooling Fan Bracket Assembly Removal
510
Rear Upper Cooling Fan Removal
510
Developer / Transfer Roll HVPS Card Assembly Removal
511
Charge Roll HVPS Card Assembly Removal
512
MPF / Transport Drive Motor Assembly Removal
513
Feed Roll Removal
514
Pick Roll Removal
515
Separation Roll Removal
516
Sensor (RFID Toner Cartridge) Removal
517
Fuser Exit Roll Assembly Removal
518
MPF Media out Actuator Removal
518
Sensor (MPF Media Out) Removal
519
MPF Pick Roll Assembly Removal
519
Media Feed Lift Motor Removal
521
Switch (Media Size) Removal
522
Scanner Removals
523
Scanner Unit Assembly Removal
523
Platen Cushion Removal
524
Large Platen Glass Removal
525
Scanner Left Cover Removal
525
Scanner Right Cover Removal
526
Scanner Top Rear Cover Removal
526
Operator Panel Assembly Removal
527
CCD Card/Lens Assembly Removal
527
Scanner Drive Motor Assembly Removal
529
Exposure Lamp Removal
530
Exposure Lamp PS Card Assembly Removal
530
Scanner Controller Card Assembly Removal
531
Sensor (Scanner HP) Removal
532
ADF Angle Actuator Assembly Removal
533
Sensor (ADF Angle) Removal
533
Scanner PS Card Assembly Removal
534
Scanner PS Cooling Fan Removal
535
ADF Removals
537
ADF Unit Assembly Removal
537
Platen Cushion Removal
538
ADF Rear Cover Removal
539
ADF Front Cover Assembly Removal
539
ADF Left Cover Assembly Removal
540
ADF Left Cover Handle Removal
541
Left Cover Pinch Roll Assembly Removal
542
ADF Feed Drive Motor Assembly Removal
542
Media Scan Guide Removal
543
ADF Media Feed Assembly Removal
543
Document Tray Assembly Removal
545
ADF Controller Card Assembly Removal
546
Inverter Solenoid Assembly Removal
547
Document Set LED Removal
548
Sheet through Actuator Removal
548
Sensor (Pick Roll Position HP) Removal
549
ADF Feed/Pick Roll Assembly Removal
550
Document Set Actuator Removal
551
ADF Left Cover Media Guide Removal
552
Pick Roll Position Motor Assembly Removal
552
Switch (ADF Left Cover Interlock) Removal
553
Sensor (ADF Width APS 1) Removal
554
Sensor (ADF Width APS 2) Removal
555
Sensor (ADF Width APS 3) Removal
556
Sensor (ADF Registration) Removal
557
Sensor (ADF Pre-Registration) Removal
558
Sensor (ADF Inverter) Removal
559
Actuator/Media Guide Assembly Removal
560
Inverter Gate Removal
560
ADF Registration Roll Assembly Removal
560
ADF Feed-Out Roll Assembly Removal
561
ADF Separation Roll Guide Assembly
563
ADF Exit Roll Assembly Removal
564
ADF Transport Roll Assembly Removal
565
Sensor (Document Set) Removal
565
Sensor (Sheet Through) Removal
566
ADF Registration Motor Removal
567
Sensor (Document Tray Width 1) Removal
568
Sensor (Document Tray Width 2) Removal
569
Sensor (Document Tray Width 3) Removal
570
Sensor (Document Tray Length 1) Removal
571
Sensor (Document Tray Length 2) Removal
572
2000-Sheet Dual Input (TTM) Removals
573
2000-Sheet Dual Input (TTM)-Top Cover Removal
573
2000-Sheet Dual Input (TTM)-Foot Cover Removal
573
2000-Sheet Dual Input (TTM)-Right Cover Removal
574
2000-Sheet Dual Input (TTM)- Tray Module Left Cover Removal
575
2000-Sheet Dual Input (TTM)-Rear Cover Removal
575
2000-Sheet Dual Input (TTM)-Caster Removal
575
2000-Sheet Dual Input (TTM)-Tray Support Roll Removal
576
2000-Sheet Dual Input (TTM)-TTM Media Tray 4 Assembly Removal
578
2000-Sheet Dual Input (TTM)-TTM Media Tray 3 Assembly Removal
579
2000-Sheet Dual Input (TTM)-Tray 3 Front Cover Removal
579
2000-Sheet Dual Input (TTM)-Tray 3 Rear Cable Assembly Removal
580
2000-Sheet Dual Input (TTM)-Tray 3 Front Cable Assembly Removal
582
2000-Sheet Dual Input (TTM)-TTM Media Tray 4 Front Cover Removal
583
2000-Sheet Dual Input (TTM)-TTM Tray 4 Media Transport Assembly Removal
583
2000-Sheet Dual Input (TTM)-Tray 4 Rear Cables Removal
583
2000-Sheet Dual Input (TTM)-Tray 4 Front Cables Removal
586
2000-Sheet Dual Input (TTM)-Media Feed Unit Assembly Removal (Tray 4)
587
2000-Sheet Dual Input (TTM)-Sensor (Tray 4 Feed-Out) Removal
589
2000-Sheet Dual Input (TTM) Switch (Media Size) Removal
590
2000-Sheet Dual Input (TTM)-Switch (TTM Media Size) Removal
590
2000-Sheet Dual Input (TTM)-Media Feed Unit Assembly 2 Removal
591
2000-Sheet Dual Input (TTM)-Media Feed Unit Assembly Removal (Tray 3)
591
2000-Sheet Dual Input (TTM)-Sensor (Tray 3 Feed-Out) Removal
593
2000-Sheet Dual Input (TTM)-Sensor (Tray 2 Feed-Out) Removal
594
2000-Sheet Dual Input (TTM)-Media Feed Lift Motor Removal
594
2000-Sheet Dual Input (TTM)-One-Way Clutch / Gear Assembly Removal
596
2000-Sheet Dual Input (TTM)-Media out Actuator Removal
598
2000-Sheet Dual Input (TTM)-Sensor (Media Level) Removal
599
2000-Sheet Dual Input (TTM)-Sensor (Media Out) Removal
600
2000-Sheet Dual Input (TTM)-Feed Roll Removal
601
2000-Sheet Dual Input (TTM)-Feed Roll One-Way Clutch Removal
602
2000-Sheet Dual Input (TTM)-One-Way 22 Tooth Removal
603
2000-Sheet Dual Input (TTM)-Separation Roll One-Way Friction Clutch Removal
604
2000-Sheet Dual Input (TTM)-Separation Roll Removal
605
2000-Sheet Dual Input (TTM)-Pick Roll Removal
607
2000-Sheet Dual Input (TTM)-Left Door Assembly Removal
608
2000-Sheet Dual Input (TTM)-Switch (TTM Left Door Interlock) Removal
609
2000-Sheet Dual Input (TTM)-Tray 3 Lift Gear Assembly Removal
610
2000-Sheet Dual Input (TTM)-Tray 4 Lift Gear Assembly Removal
610
2000-Sheet Dual Input (TTM)-Tray Lift Coupling Assembly Removal
611
2000-Sheet Dual Input (TTM)-Tray Module Drive Motor Assembly Removal
611
2000-Sheet Dual Input (TTM)-TTM Tray 4 Transport Motor Removal
613
2000-Sheet Dual Input (TTM)-TTM Controller Card Assembly Removal
613
500-Sheet Drawer (3TM) Removals
614
500-Sheet Drawer (3TM)-Top Cover Removal
614
500-Sheet Drawer (3TM)-Foot Cover Removal
615
500-Sheet Drawer (3TM)-Right Cover Removal
615
500-Sheet Drawer (3TM)-Tray Module Left Cover Removal
616
500-Sheet Drawer (3TM)-Rear Cover Removal
616
500-Sheet Drawer (3TM)-Caster Removal
617
500-Sheet 3TM)-Media Feed Unit Assembly Removal (Tray 4)
617
500-Sheet Drawer (3TM)-Sensor (Tray 4 Feed-Out) Removal
618
500-Sheet Drawer (3TM)-Sensor (Tray 2 Feed-Out) Removal
619
500-Sheet Drawer (3TM)-Switch (Media Size) Removal
620
500-Sheet Drawer (3TM)-Media Feed Unit Assembly Removal (Tray 3)
621
500-Sheet Drawer (3TM)-Media Feed Unit Assembly Removal (Tray 2)
623
500-Sheet Drawer (3TM)-Sensor (Tray 3 Feed-Out) Removal
624
500-Sheet Drawer (3TM)-Media Feed Lift Motor Removal
625
500-Sheet Drawer (3TM)-One-Way Clutch / Gear Assembly Removal
626
500-Sheet Drawer (3TM)-Media out Actuator Removal
627
500-Sheet Drawer (3TM)-Sensor (Media Level) Removal
628
500-Sheet Drawer (3TM)-Sensor (Media Out) Removal
629
500-Sheet Drawer (3TM)-Feed Roll Removal
630
500-Sheet Drawer (3TM)-Feed Roll One-Way Clutch Removal
631
500-Sheet Drawer (3TM)-One-Way 22 Tooth Removal
632
500-Sheet Drawer (3TM)-Separation Roll One-Way Friction Clutch Removal
633
500-Sheet Drawer (3TM)-Separation Roll Removal
634
500-Sheet Drawer (3TM)-Pick Roll Removal
636
500-Sheet Drawer (3TM)-3TM Left Door Assembly Removal
637
500-Sheet Drawer (3TM)-Switch (Tray Module Left Door Interlock) Removal
637
500-Sheet Drawer (3TM)-Tray Module Drive Motor Assembly Removal
638
500-Sheet Drawer (3TM)-3TM Controller Card Assembly Removal
639
500-Sheet Drawer (1TM) Removals
640
500-Sheet Drawer (1TM)-Top Cover Removal
640
500-Sheet Drawer (1TM)-Front Door Removal
641
500-Sheet Drawer (1TM)-Foot Cover Removal
641
500-Sheet Drawer (1TM)-Right Cover Removal
642
500-Sheet Drawer (1TM)-Tray Module Left Cover Removal
643
500-Sheet Drawer (1TM)-Rear Cover Removal
643
500-Sheet Drawer (1TM)-Caster Removal
644
500-Sheet Drawer (1TM)-Media Feed Unit Assembly Removal (Tray 2)
644
500-Sheet Drawer (1TM)-Sensor (Tray 2 Feed-Out) Removal
645
500-Sheet Drawer (1TM)-Switch (Media Size) Removal
646
500-Sheet Drawer (1TM)-Media Feed Lift Motor Removal
647
500-Sheet Drawer (1TM)-One-Way Clutch / Gear Assembly Removal
647
500-Sheet Drawer (1TM)-Media out Actuator Removal
649
500-Sheet Drawer (1TM)-Sensor (Media Level) Removal
650
500-Sheet Drawer (1TM)-Sensor (Media Out) Removal
651
500-Sheet Drawer (1TM)-Feed Roll Removal
652
500-Sheet Drawer (1TM)-Feed Roll One-Way Clutch Removal
653
500-Sheet Drawer (1TM)-One-Way 22 Tooth Removal
654
500-Sheet Drawer (1TM)-Separation Roll One-Way Friction Clutch Removal
655
500-Sheet Drawer (1TM)-Separation Roll Removal
656
500-Sheet Drawer (1TM)-Pick Roll Removal
657
500-Sheet Drawer (1TM)-Tray Module Left Door Assembly Removal
658
500-Sheet Drawer (1TM)-Switch (Tray Module Left Door Interlock) Removal
659
500-Sheet Drawer (1TM)-Tray Module Drive Motor Assembly Removal
660
500-Sheet Drawer (1TM)-1TM Controller Card Assembly Removal
660
Setup and Adjustments
661
Sensor (ATC) Setup
661
Color Registration (Regcon)
665
Measurement Cycle Test
666
Control Sensor Check
667
Control Sensor Cycle
667
Belt Edge Learn Test
668
Skew Fine Setup
668
In/Out Setup
676
Transfer Belt Lift Handle Assembly Removal
679
Connector Locations
683
Locations
683
Preventive Maintenance
699
Safety Inspection Guide
699
Scheduled Maintenance
701
Parts Catalog
703
How to Use this Parts Catalog
703
Assembly 1: Covers 1
704
Assembly 2: Covers 2
705
Assembly 3: Covers 3
706
Assembly 4: PC Cartridge and Developer Drive
707
Assembly 5: ID Sensor and Transfer Belt Steering
708
Assembly 6: Media Tray
709
Assembly 7: Printer Left Lower Door and Media Feed Unit
710
Assembly 8: Media Feed Unit
711
Assembly 9: MPF Feed Unit Assembly 1
713
Assembly 10: MPF Feed Unit Assembly 2
714
Assembly 11: MPF Feed Unit Assembly 3
715
Assembly 12: Registration / Transport Roll Assembly
716
Assembly 13: Printer Left Door and Duplex
717
Assembly 14: Printer Left Door Assembly 1
718
Assembly 15: Printer Left Door Assembly 2
719
Assembly 16: Duplex Media Inverter Assembly
720
Assembly 17: Duplex 2
721
Assembly 18: Standard Media Exit Shift
722
Assembly 19: Printhead Assembly
723
Assembly 20: Xerographic and Waste Toner
724
Assembly 21: Erase Lamps and Developer Interlock Plate
725
Assembly 22: Transfer Belt Lift 1
726
Assembly 23: Transfer Belt
727
Assembly 24: Transfer Belt Lift 2
728
Assembly 25: Toner Dispense
729
Assembly 26: Developer Unit Assemblies
730
Assembly 27: Fuser Assembly
731
Assembly 28: Cooling Fans
732
Assembly 29: Electrical 1
733
Assembly 30: Electrical 2
735
Assembly 31: Electrical 3
736
Assembly 32: Electrical 4
738
Assembly 33: ADF Assembly
740
Assembly 34: ADF Covers and Components
741
Assembly 35: ADF Base
742
Assembly 36: ADF Feeder
744
Assembly 37: ADF Left Cover Components
746
Assembly 38: ADF Media Guide
748
Assembly 39: ADF Feeder Roll
750
Assembly 40: ADF Motor Unit
752
Assembly 41: ADF Document Tray
753
Assembly 42: Scanner Covers
754
Assembly 43: CCD Lens Assembly
755
Assembly 44: Control Panel and Platen Glass
757
Assembly 45: Scanner Electrical
759
Assembly 46: Scanner Optics
760
Assembly 47: Carriage Cable and Motor
762
Assembly 48: MFP Rack
763
Assembly 49: 1TM Covers
764
Assembly 50: 1TM Feed Unit Assembly
765
Assembly 51: 1TM Media Feed Unit
767
Assembly 52: 1TM Left Door
769
Assembly 53: 1TM Drive and Electrical
770
Assembly 54: 3TM Covers
772
Assembly 55: 3TM Feed Unit Assembly
774
Assembly 56: 3TM Media Feed Unit
776
Assembly 57: 3TM Left Door
778
Assembly 58: 3TM Drive and Electrical
780
Assembly 59: TTM Covers
782
Assembly 60: TTM Media Trays
783
Assembly 61: TTM Media Tray 3
784
Assembly 62: TTM Media Tray 4
787
Assembly 63: TTM Media Tray 4 Transport
788
Assembly 64: TTM Media Transport
789
Assembly 65: TTM Left Door
790
Assembly 66: TTM Tray Lift Drive
791
Assembly 67: TTM Drive and Electrical
792
Assembly 68: Miscellaneous
794
Index
803
Part Number Index
805
Other manuals for Lexmark X945
User Guide
272 pages
Maintenance Guide
25 pages
Setup Guide
63 pages
Clearing Jams Guide
8 pages
Fax Guide
3 pages
E-Mail Guide
3 pages
Copy Guide
4 pages
Troubleshooting Guide
13 pages
Ftp Guide
2 pages
Accessory Installation Guide
2 pages
Setup Sheet
1 page
Quick Reference
12 pages
Specfications
4 pages
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Lexmark X945 Specifications
General
Brand
Lexmark
Model
X945
Category
All in One Printer
Language
English
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