Sign In
Upload
Manuals
Brands
Lexmark Manuals
Printer
X925 7541-03 series
Lexmark X925 7541-03 series Manuals
Manuals and User Guides for Lexmark X925 7541-03 series. We have
1
Lexmark X925 7541-03 series manual available for free PDF download: Service Manual
Lexmark X925 7541-03 series Service Manual (500 pages)
Brand:
Lexmark
| Category:
Printer
| Size: 18.07 MB
Table of Contents
Table of Contents
3
Notices and Safety Information
13
Safety Information
15
Preface
18
Navigation Buttons
18
Change History
19
Conventions
20
General Information
21
Maintenance Approach
21
Models
21
Printer Configurations
22
Options and Features
23
Print Engine Specifications
24
Power Specifications
24
Electrical Specifications
24
Clearances
24
Acoustics
25
Environment
25
Performance
26
Processor
26
Memory
26
Paper Specifications
26
Paper Sizes Supported by the Printer
26
Media Types
27
Media Weights
28
Media Guidelines
29
Paper
29
Paper Characteristics
29
Unacceptable Paper
30
Selecting Paper
30
Scan Fax and Copy Specifications
31
General Specifications
31
Fax Features
32
Scanner Specifications
33
MFP Scan Speed
34
Tools Required for Service
35
Acronyms
36
Diagnostic Information
39
Start
39
Safety Feature Notice
39
Flatbed / ICC Card NVRAM
40
Initial Check
40
POR (Power-On Reset) Sequence
41
Print Quality Issues
42
Repeating Defects
42
One Color Missing
43
Contaminated Background
43
Lowered Print Density
44
White Stripes
44
Uneven Print
44
Partial Dirt
45
Repeating Marks
45
Black Stripes
45
Unprinted Spots
46
Partially Dark or Light Print
46
Black Page
47
No Print
47
Stain on Back of Page
48
Failure to Fuse
48
Stains on Edge of Page
48
ADF & Scanner Print Quality
49
Image Quality Symptoms
49
Dark Image Quality (Using ADF or Scanner)
49
Vertical Lines (Process Direction Using the ADF)
50
Spots (Using Flatbed Scanner)
50
Skew (Using ADF)
52
Media Damage (Using ADF)
53
Black Page from Scanner
54
Paper Jams
55
Clearing and Troubleshooting Paper Jams
56
Paper Jam
56
Paper Jam
57
Paper Jam
58
Paper Jam
59
24X Paper Jam
60
Paper Jam
61
Duplex Unit Service Check
62
Paper Path Service Checks
62
Paperfeed Unit Service Check
65
MPF Service Check
66
Clearing and Resolving Scanner Jams
67
Paper Missing
67
Scanner Static Jam - Scan Sensor Jam
68
Scan Sensor Jam
69
Scanner ADF Eject Jam
70
Scanner ADF Cover Open Jam
71
Flatbed Cover Open
73
Scanner Carriage Locked
73
ADF Paper Jam Service Check
74
Error Codes
76
Abnormal Exit Motor
76
976 XX Standard Network or Network Card X
77
990 XX Service
77
Abnormal EEPROM
77
Service NCVRAM Mismatch
77
Service NV Failure
77
Service NVRAM Failure
77
Service Code CRC <Loc
77
Service System Board
77
Service NAND Failure
77
959,XX Service Invalid Firmware
77
Service Memory Error
77
Service Emulation Error
77
Fax T30 Log Error Codes
79
Service Checks
83
Black Printhead Error
83
Cyan Printhead Error
83
Magenta Printhead Error
83
Yellow Printhead Error
83
Thermistor 1 Error
84
Thermistor 2 Error
84
Thermistor 3 3 Error
85
Belt Thermistor Error
85
Fuser - Fuser Heater Error
86
ON / off Switch Automatically Switching to the off Position Service Check
86
Power Switch Error
86
High Voltage Power Supply Error
87
Density Sensor Error
87
Abnormal Theta Sensor
88
Temperature Humidity Sensor Error
88
Drive Motor Error
89
Fuser / Paper Exit Motor Error
89
Tray1Error
90
Tray 3 Error
90
Tray 4 Error
91
Tray 5 Error
92
Fuser Fan Error
92
Power Supply Unit Fan Error
93
Main Unit Fan Error
93
Rear Fan Error
93
Service Check
94
Invalid Configuration or ASIC Not Found
94
Invalid AFE Setting
94
Delayed Interrupt Detected
95
Failed Indirect Register Test
95
Failed External DRAM Test
95
Image Pipe Time-Out
95
Scanner DID Not Initiate Scan
96
No Response / 842.01 HW Protocol / 842.02 Logical Protocol
96
Carriage Home
97
Pick Roll Failed to Engage
97
Lamp Failure (Front Side)
98
Device Had Modem Installed, but Config ID Indicates It Should Not
98
Device Had HD Installed, but Config ID Indicates It Should Not
98
Steps before Starting the 9Yy Service Checks
98
Collecting the History Information from the SE Menu
99
Collecting the Firmware Logs (Fwdebug and Logs.tar.gz) from the SE Menu
99
Collecting the Settings from the Menu Settings Page
100
Collecting Information from the User
100
System Software Error
101
SDRAM R/W Error
104
MDC Error
104
CPU Error
104
MDC Controller Error
105
EEPROM Error
105
950.29-EPROM Mismatch Failure
106
Service Invalid Firmware Error
107
User Attendance Messages
108
User Prompts
108
User Attendance Messages (0-99)
111
Other Symptoms
117
Print Engine
117
Scan / Copy
118
ADF Streaks
118
Clipped Image When Scanning to USB from the ADF
118
ADF Cover Open Service Check
119
Fax Symptoms
120
Faxes Fail to Transmit
120
Fax Reception Fails
122
Escalating a Fax Issue to Second-Level Support
124
Words on Fax Are Stretched
125
Incoming Fax Has Blank Spaces or Poor Quality
125
No Dial Tone
125
Fax Dials a Number, but no Connection Is Made
125
Other Service Checks
126
Networking Service Check
126
Option Card Service Check
128
USB Port Service Check
128
False Close Door Service Check
128
Operator Panel Service Check
129
Display Functions but the Keyboard Doesn't Work Properly
129
Display Fails to Illuminate
129
Insert Tray Service Check
130
Paper Skew Service Check
131
Imaging Unit (Photo Developer) Missing Service Check
131
Option Card Service Check
132
Serial Port
132
Flash Options
132
DRAM Options
132
Hard Disk Option
133
Network Card Option
133
Error Code 976 - Network Card X
133
Network <X> Software Error
133
Power Supply (Dead Machine) Service Check
134
Printhead Service Check
135
Transfer Belt up down Check
135
Unable to Print from USB Thumb Drive Service Check
136
Waste Toner Bottle Missing Service Check
136
Wrong Paper Size Service Check - Tray1
137
Wrong Paper Size Service Check - Tray2
137
Paper in ADF Size Service Check
138
Diagnostic Aids
139
Understanding the Operator Panel and Menus
139
Operator Panel (Need New Art)
139
Understanding the Home Screen
140
Using the Touch Screen
141
Administrative Menus
144
Accessing the Service Menus
145
Configuration Menu
147
Entering Config Menu
147
Reset Separator Roll and Pick Assembly Counter
148
Reset Fuser Counter
148
Reset Maintenance Counter
148
Reset Transfer Belt Counter
149
USB Scan to Local
149
Black Only Mode
149
Print Quality Pages
149
Fuser Speed
149
Reports
149
Color Trapping
149
Tray Insert Message
150
Size Sensing
150
Panel Menus
150
PPDS Emulation
150
Download Emuls
150
Demo Mode
150
Factory Defaults
150
Energy Conserve
151
Fax Low Power Support
151
Min Copy Memory
151
Numpad Job Assist
151
Format Fax Storage
151
Fax Storage Location
151
Auto Align Adj
151
Color Alignment
152
ADF Edge Erase
152
FB Edge Erase
152
Scanner Manual Registration
152
Disable Scanner
152
Paper Prompts
152
Envelope Prompts
152
Action for Prompts
153
Jobs on Disk
153
Disk Encryption
153
Erase All Information on Disks
153
Wipe All Settings
153
Font Sharpening
153
Require Standby
153
UI Automation
153
Key Repeat Initial Delay
154
Key Repeat Rate
154
Clear Custom Status
154
USB Speed
155
USB Pnp
155
Automatically Display Error Screens
155
Exit Config Menu
155
Diagnostics Mode
156
Entering Diagnostics Mode
156
Diagnostic Mode Menus
156
Scanner Calibration
158
Adjust Calibration Values
158
Reset Calibration Values
158
Print Tests
158
Print Tests (Input Sources)
158
Print Quality Pages
159
Hardware Tests
159
Panel Test
159
Button Test
159
DRAM Test
159
Serial Wrap Test
160
USB HS Test Mode
161
Device Tests
161
Quick Disk Test
161
Disk Test/Clean
161
Flash Test
162
Input Tray Tests
162
Printer Setup
162
Defaults
162
Page Counts
163
Serial Number
163
Engine Setting (1-16)
163
Model Name
163
Configuration ID
163
Cal Ref Adj
163
Par 1 Strobe Adj
164
Reports
164
Event Log
164
Display Log
164
Print Log
165
Clear Log
165
Scanner Tests
166
Scanner Calibration Reset
166
ASIC Test
166
Feed Test
166
Sensor Test
166
ADF Magnification
166
Exit Diagnostics
166
Theory of Operation
167
Printer Engine
167
Electrophotographic Process (EP Process)
167
MFP Electrophotographic Process Basics
167
Step 1: Charge
168
Step 2: Expose
169
Step 3: Develop
170
Step 4A: First Transfer
171
Step 4B: Second Transfer
172
Step 5: Fuse
173
Step 6: Clean/Erase
174
Cleaning Blade
175
Paper Path Components
176
Paper Feed
176
Feeding Paper from a Tray
178
Feeding Paper from the MPF
179
Registration Sensor Actuator
180
Scanner
182
Duplex ADF
182
Color Theory
185
What Is RGB Color
185
What Is CMYK Color
185
How Is Color Specified in a Document to be Printed
185
How Does the Printer Know What Color to Print
185
Should I Use Postscript or PCL Emulation? What Settings Produce the Best Color
185
Why Doesn't the Printed Color Match the Color I See on the Computer Screen
185
The Printed Page Appears Tinted. Can I Adjust the Color
185
My Color Transparencies Seem Dark When They Are Projected. Is There Anything I Can Do to Improve the Color
186
What Is Manual Color Correction
186
How Can I Match a Particular Color (such as a Corporate Logo)
186
What Are Detailed Color Samples and How Do I Access Them
187
Repair Information
189
Handling ESD-Sensitive Parts
189
Flatbed / ICC Card NVRAM
190
RIP Board/Operator Panel Replacement
190
Printhead Controller Board / Engine Board Replacement
190
Esf Solutions Backup
191
Removal Procedures
192
Arrangement of Removals in this Chapter
192
Cover Removals
193
RIP Cover
193
Scanner Power Supply Access Cover
194
Cord Cover
194
Rear Cover
195
Front Op Panel Cover
199
Op Panel Top Cover
201
Op Panel Bottom Cover
203
Upper Right Cover
204
Output bin (Print Engine Top) Cover
205
Back Cave Cover
206
Inner Right Cover
207
Left Cover Removal
210
Speaker Removal
213
Top Removals
214
Output bin Full Sensor Actuator Removal
214
LED Assembly Removal
217
LED Print Head Removal
219
Op Panel Paper Exit Guide Removal
220
Paper Exit Guide Removal
221
Bin Full Sensor Removal
224
Paper Exit Sensor Removal
225
Printhead Controller Board Removal
225
Top EMI Sheild Removal
227
Front Removals
228
Transfer Belt - CRU
228
Transfer Belt Position Sensor Removal
229
Paper Size Sensor Removal
230
Photoconductor Lock Removal
231
Cassette Stopper Removal
232
Left Side Removals
233
Left EMI Shield Removal (Not a FRU)
233
Low Volt Power Supply Removal
239
Main Fan Removal
241
Power Supply Fan Removal
243
Theta Sensor Removal
244
Density Sensor Removal
245
Main Switch
246
Scanner Power Supply Removal
246
Right Side Removals
249
Fuser Removal
249
Handle Cover Removal
250
Duplex Removal
251
Paper Feed Unit Removal
256
Transfer Roll - CRU
260
Rear Removals
261
RIP Board Removal
261
Crossbar Removal (Not a FRU)
262
Engine Board and Mount Removal (Not a FRU)
263
Drive Unit Cover (Not a FRU)
265
Drive Unit
267
Drive Unit Motor C/M/Y/K
271
Sub Drive Unit Removal
272
Door Interlock Switch Removal
277
Duplex Solenoid Removal
278
Fuser Entry Sensor Removal
279
Engine Board (MDCONT)
280
Fuser Fan
280
Fuser Exit Drive Unit Motor Removal
281
Modem Removal
282
Papertray Lift Motor Removal
282
RIP Cage Removal
283
Toner Sensor Removal
285
Transfer Belt Motor Removal
288
Temperature and Humidity Sensor Removal
289
Rear Fan
290
Sub Frame Unit
292
Paper Size Switch Removal
293
Rear EMI Shield - Not a FRU
294
Paper Feed Motor Removal
298
HVPS Removal
299
Waste Toner Sensor Removal
300
Scanner Area Removals
301
ADF Assembly Removal
301
ADF Pick Roll Removal
302
ADF Separator Roll Removal
303
Flatbed Assembly Removal
304
Flatbed Front Cover
305
UICC Removal
308
Touchscreen Assembly Removal
309
ADF Relay Board
310
ICC Board
311
CCD Chassis
312
CCD Belt
314
Optical Paper Size Sensor
315
ADF Cable
316
ADF Motor Frame
317
ADF Solenoid
320
ADF Drive Clutch
320
ADF Input Tray
321
ADF Main Feeder
322
ADF Clutch
325
ADF Hinge
325
FB Hinge
326
Tray Paper Size Sensors
326
ADF Cover Open / ADF Pick Sensor
330
ADF Cover Open Sensor Actuator
331
Paper Present / Paper in Sensor
332
Paper Present Sensor Actuator
333
Paper in Sensor Actuator
333
Paper Path Sensor
334
Scan Sensor
334
Scan Sensor Actuator
336
Scan Sensor Cover (Not a Fru)
337
Duplex Timing Sensor
340
Duplex out (Scan Out) Sensor
345
Duplex out Sensor Actuator
346
Flatbed Cover Closed Sensor
347
Flatbed Upper Cover
349
Flatbed Scanner Cables Removal
350
Outer ADF Top Cover
352
Inner ADF Top Cover
353
ADF Relay Card Cover
356
Left ADF Cover
356
Right ADF Cover
359
Duplex Unit Component Removals
361
Duplex Clutch Removal
361
Duplex Timing Belt Removal
362
Duplex Exit / MPF Sensor Removal
362
MPF Clutch Removal
363
MPF Tray Assembly Removal
364
Paperfeed Unit Component Removals
366
Separating the MPF Tray and Main Tray Paperfeed Units
366
Main Tray Paper Guide Removal
367
Multi-Purpose Feed Tray Paper Guide Removal
369
Paperfeed Unit Clutch Removal
372
Registration Sensor (MPF Tray) Removal
373
Registration Sensor Actuator Removal
373
Static Discharge Brush Removal
374
Torque Limiter Removal
374
Upper and Lower Registration Springs Removal
374
Paperfeed Maintenance Kit Removals
376
Pick Roll Removal
376
Paperfeed Roll Removal
376
Separator Roll Removal
377
Registration Roll Removal
378
MPF Roll Removal
379
MPF Pad Removal
381
Exit Guide (Paper Exit) Roll Removal
384
Option Paper Feed Removals
390
Paper Feed Roll Removal
390
Pick Roll Removal
390
Separator Roll Removal
391
Paper Size Switches Removal
391
Paper Level Sensor Removal
392
Transport Sensor Removal
392
Paper Empty Sensor Removal
393
Paper Full Sensor Removal
393
Option Controller Board Removal
394
Stepper Motor Removal
394
Tray Lift Motor Removal
395
Option Door Inter Lock Switch Removal
396
Paper Feed Clutch Removal
397
Adjustments
399
Calibrating the Scanner
399
Calibrating the Scanner Black Levels
399
Adjusting ADF Magnification
400
Adjusting Scanner Registration
400
Locations
401
Print Engine Cross Section
401
Flatbed / ADF Sensors
403
Adf
403
Flatbed Sensors
403
Rip Board Connectors
404
Scanner (Secondary) Power Supply
425
Scanner ICC Board Connectors
426
ADF Relay Card Connectors
431
UICC Connectors
434
Option Feeder Locations
435
Option Feeder Layout
435
Option Board Layout
436
Option Board Connector Values
437
Preventive Maintenance
439
Safety Inspection Guide
439
Lubrication Specifications
439
Scheduled Maintenance
439
Parts Catalog
441
How to Use this Parts Catalog
441
Assembly 1: Covers
442
Assembly 2: Flatbed and ADF
444
Assembly 3: Flatbed
446
Assembly 4: ADF 1
448
Assembly 5: ADF 2
450
Assembly 6: Duplex Components 1
452
Assembly 7: Duplex Components 2
454
Assembly 8: Paper Exit
456
Assembly 9: Base 1
458
Assembly 10: Base 2
461
Assembly 11: Base 3
462
Assembly 12: Paper Feed
464
Assembly 13: Electrical 1
466
Assembly 14: Electrical 2
468
Assembly 15: Upper Assembly
470
Assembly 16: Printhead Controller Board Cables
472
Assembly 17: Paper Trays
474
Assembly 18: Fuser
476
Assembly 19: 550 Sheet Option Feeder Covers
478
Assembly 20: 550 Sheet Option Feeder Base
480
Assembly 21: 550 Sheet Option Feeder Paper Feed
482
Assembly 22: 550 Sheet Option Feeder Tray
484
Assembly 23: Maintenance Kits, Power Cords, and Options
486
Index
486
Part Number Index
493
Advertisement
Advertisement
Related Products
Lexmark X940E
Lexmark X945E
Lexmark X950 Series
Lexmark X95x
Lexmark X940e 7510 series
Lexmark X544
Lexmark X5630
Lexmark XC6100 Series
Lexmark XM51xx
Lexmark XC4150
Lexmark Categories
Printer
All in One Printer
Printer Accessories
Software
Print Server
More Lexmark Manuals
Login
Sign In
OR
Sign in with Facebook
Sign in with Google
Upload manual
Upload from disk
Upload from URL