Home
Xerox
Printer
Phaser 7400
Xerox Phaser 7400
682 pages
Manual
To Next Page
To Next Page
To Previous Page
To Previous Page
Loading...
1-6
Phaser 7
400 Color Pri
nter S
ervice Manua
l
Rear View
1.
A
C Receptacle
6.
USB P
or
t
2.
Door D
7.
Ether
net P
or
t
3.
Door E
8.
Ser
ial
Debug
P
o
rt
4.
Side
Output T
ra
y
9.
M
ode Select P
or
t
5.
P
ower Switch
10.Rear Cov
er
1
2
10
4
3
5
7400-002
7
6
8
9
33
35
Table of Contents
Main Page
Default Chapter
3
Phaser 7400
3
Service Manual
3
Service Terms
5
Symbols Marked on the Product
6
Power Safety Precautions
7
Power Source
7
Electrostatic Discharge (ESD) Precautions
8
General Guidelines
9
Service Safety Summary
9
Servicing Electrical Components
10
Servicing Mechanical Components
10
Regulatory Specifications
11
European Union
12
Manual Organization
13
Table of Contents
15
1 General Information
29
Printer Introduction and Overview
30
Printer Configurations
31
Metered Printing
32
Parts of the Printer
33
Control Panel
35
Image Processor Board
36
Printer Options
37
Hard Drive
37
Additional Memory
37
Configuration Card
38
550-Sheet Feeder
38
Duplex Unit
39
Finisher
39
Maintenance Items
40
Consumables
40
Specifications
41
Memory Specifications
41
Consumable Life Specifications
41
Electrical Specifications
42
Physical Dimensions and Clearances
42
Functional Specifications
44
First Print Output Time
44
Image Specifications
45
Environmental Specifications
45
Media and Tray Specifications
46
2 Theory of Operation
49
Phaser 7400 Operational Overview
50
Imaging Unit
51
LED Heads
52
Fuser
52
Transfer Unit
53
Print Process Summary
54
Printer Controls
58
Print-Quality Modes
58
Color Registration Control
58
Automatic Density Control
61
Selective Control: Paper Pick
61
Image Transfer Control
62
Fuser Temperature Control
62
Consumable Control
62
Sensors
63
Sensor Types
63
Sensors in the Printer
65
Sensor Functions
67
Paper Level Detection
69
Paper Present Detection
69
Transparent Media Detection
69
Automatic Media Thickness Detection
69
Paper Size Detection
70
Jam Detection
71
Interlock Detection
72
Toner Detection
72
Input Paper Path
75
Paper Fed from Tray 1 (MPT)
75
Paper Fed from Tray 2
78
Paper Fed from Optional Trays
81
Duplex Unit
83
Output Paper Path
85
Fuser and Exit
85
Top Output Tray
86
Side Output Tray
86
Finisher/Inverter
86
Drive Assemblies
87
Imaging Unit Drive Motors
87
Transfer Unit Motor
89
Fuser Motor
91
Toner Dispense Motors
92
Duplex Drive Motors
93
Chassis Assemblies
94
Basket Assembly
94
Waste Toner Recovery
95
Registration Assembly
96
Exit Assembly
97
Job Offset Assembly
99
Trays
100
Tray 1 (MPT)
100
Universal Trays
101
Universal Feeder
102
Side Output Tray
102
Electrical
103
Motor Driver Board (1/6)
103
Control Panel
104
Image Processor Board
104
Engine Control Board
104
Registration Sensor Board
104
LED Relay Board
104
LED Heads
104
Imaging Unit Sensor Board
105
Motor Driver Board
105
Feeder Board
105
Hvps
106
Lvps
107
Front Sensor Board
107
Rear Sensor Board
107
Fans
108
Solenoids and Clutches
109
3 Error Messages and Codes
111
Introduction
112
Accessing Fault History
112
Status Page
113
Service Usage Profile
113
Servicing Instructions
114
Messages, Codes, and Procedures
115
Error Message Abbreviations
115
Jam Locator
116
Error Message Summary
117
Error Message Summary (Continued)
119
Fatal Errors (Continued)
122
Error Messages and Codes
123
Using the Troubleshooting Procedures
125
Measurement Techniques
126
Jam Error Procedures
127
Jam at Door a Open Door a to Clear
127
Initial Actions
128
Jam at Door a Misfeed at Tray 1 (MPT)
130
Jam at Door B Misfeed at Tray 2
131
Jam at Door C for Tray [3][4][5][6]
133
Jam at Door D Open Door D to Clear
135
Jam in Duplex Unit
136
Jam at Door E
137
Jam under Imaging Units
139
Jam in Fuser
141
Jam at Duplex Entrance
143
Jam at Finisher Punch Unit
145
Jam at Finisher Door H
146
Jam at Finisher Upper Output Tray
148
Jam at Finisher Saddle Stapler
149
Jam at Finisher Upper Output Tray
150
Jam at Finisher Stapler
151
Jam at Finisher Door G
152
Jam at Finisher Saddle Stapler
153
Jam at Finisher Upper Output Tray
154
Jam Inside Finisher
155
Jam at Finisher Entrance
156
Finisher Output Tray Jammed
157
Door and Cover Errors
159
Close Top Cover
159
Close Right Door a
160
Close Right Door B
161
Close Right Door C for Tray [3][4][5][6]
163
Close Left Door D
164
Close Left Door E
165
Close Finisher Door F
166
Close Finisher Door H
167
Close Finisher Door J
168
Consumable/Routine Maintenance Procedures
169
Replace [C][M][Y][K] Toner Cartridge
169
Replace [C][M][Y][K] Imaging Unit
170
Replace Transfer Unit
171
Replace Waste Cartridge
172
Replace Fuser
173
Install, Reseat or Lock [C][M][Y][K] Toner Cartridge
174
Install or Reseat [C][M][Y][K] Imaging Unit
175
Install or Reseat Transfer Unit
176
Install or Reseat Waste Cartridge
177
Install or Reseat Fuser
178
Metered Toner Is Not Enabled
179
Replace Metered [C][M][Y][K] Toner Cartridge
180
Tray and Media Errors
181
Clear Tray 1 (MPT) Riser Plate
181
Clear Tray [2][3][4][5][6] Riser Plate
183
Out of Paper Load Tray 1(MPT) with [Size] [Type]
184
Out of Paper Load Tray [2][3][4][5][6] with [Size][Type]
185
Manual Feed [Size][Type]
186
Top Output Tray Is Full, Unload Paper
187
Left Side Output Tray Is Full, Unload Paper
188
Finisher Lower Output Tray Is Full, Unload Paper
189
Finisher Upper Output Tray Is Full, Unload Paper
190
Open Left Side Output Tray
191
Media Mismatch Errors
192
Wrong Paper Size; Load Tray 1 (MPT) with [Size][Type]
192
Wrong Paper Size; Load Tray 2 with [Size][Type]
193
Wrong Paper Size; Load Tray [3][4][5][6] with [Size][Type]
194
[Size][Type]
194
Paper Not Available Load Tray 1 (MPT) with [Size] [Type]
196
Paper Not Available; Load Tray 2 with [Size][Type]
197
Paper Not Available Load Tray [3][4][5][6] with [Size][Type]
198
Configuration Errors
199
Invalid or Missing Configuration Card
199
Duplicate IP Address Detected
199
Fatal Error Procedures
200
Fuser Failure
200
Temp Sensor Failure
202
RH Sensor Failure
203
LED over Temperature Failure
204
Motor Overheating Failure
205
Engine Failure
206
Power Supply Failure
207
Feeder Home Failure
208
Controller Fan Failure
209
Power Supply Fan Failure
210
Top Cover Cooling Fan Failure
211
Imaging Unit Fan Failure
212
Transfer Unit Fan Failure
213
Engine Cavity Fan Failure
214
Duplex Interface Failure
215
Tray [3][4][5][6] Interface Failure
216
Inverter Unit Interface Failure
217
[C][M][Y][K] LED Failure
218
[C][M][Y][K] Imaging Unit Failure
219
Flash Failure
221
Fuser Fan Failure
222
Fuser 110V/220V Mismatch Failure
223
Unsupported Duplex Unit ROM
224
Unsupported Tray 2 ROM
225
Unsupported Tray [3][4][5][6] ROM
226
Unsupported Inverter Unit ROM
227
Unsupported Finisher Unit ROM
228
Hard Drive Failure
229
Fuse Cut Error in Fuser
230
Fuse Cut Error in Transfer Unit
231
Fuse Cut Error in [C][M][Y][K] Imaging Unit
232
Controller to Engine Communications Failure
233
Finisher Fold Position Sensor Failure
234
Finisher Paddle Failure
235
Finisher Stapler Swing Motor Failure
236
Finisher Stack Handling Motor Failure
237
Finisher Staple Motor Failure
238
Finisher Jog Motor Failure
239
Finisher Lift Motor Failure
240
Finisher Exit Failure
242
Finisher Punch Side Registration Sensor Failure
243
Finisher Punch Registration Sensor Failure
244
Finisher Punch Backup RAM Failure
245
Finisher Punch Communications Failure
246
Finisher Punch Unit Transfer Motor Failure
247
Finisher Punch Motor Failure
248
Finisher Backup RAM Failure
249
Finisher Punch Dust Sensor Failure
250
Printer Error - Contact Service; Report Fault [N]
251
Finisher Punch Unit Counter at End of Life
251
Finisher Staple Unit Counter at End of Life
252
Finisher Interface Error
253
Inverter Power Supply Failure
254
Fuser Thermistor Errors
255
Job Offset Home Position Error
256
Control Panel Communications Failure
257
No Data to the [C][M][Y][K] LED Head
258
Motor Driver Board Communications Error
259
Tray [3][4][5][6] Firmware Error
260
Duplex Unit Firmware Error
261
Motor Driver Board Firmware Error
262
Finisher Inverter Firmware Error
263
CRUM Reader Board Failure
264
Tray [3][4][5][6] Flash Memory Failure
265
Duplex Unit Flash Memory Failure
266
Motor Driver Board Flash Memory Failure
267
Finisher Inverter Flash Memory Failure
268
Tray 2 Lift Motor Failure
269
Tray [3][4][5][6] Lift Motor Failure
270
Error in the Transfer Unit Belt
272
Duplex Unit Fan Failure
273
+24V Not Available to the Duplex Unit
274
Failure in the [C][M][Y][K] Imaging Unit Drum or Motor
275
Not Available to Tray [3][4][5][6]
277
Failure in the Fuser Motor
278
Failure in the Waste Toner Motor
279
Motor Driver Board Clock Frequency Error
280
Duplex Unit Clock Frequency Error
281
Finisher Inverter Clock Frequency Error
282
Tray [3][4][5][6] Feeder Board Clock Frequency Error
283
Waste Toner Transfer Error
284
[CM][YK] Toner Supply Failure
286
Warning Messages
287
No Paper in Tray 1 (MPT)
287
No Paper in Tray [2][3][4][5][6]
288
Left Side Output Tray Is Closed
289
Waste Cartridge Is Almost Full
290
Non-Xerox [C][M][Y][K] Toner Cartridge
291
Staple Cartridge Is Empty
292
Punch Waste Box Is Full or Missing
293
Finisher Away from Base
294
Finisher Away from Printer
295
4 General Troubleshooting
297
Introduction
298
System Startup
298
Power on Self Test (POST)
299
POST Soft Fault Messages
300
POST Hard Fault Messages
301
Fault Isolation
302
Entry Level Fault Isolation Procedure
302
Service Diagnostics
303
Using Service Diagnostics
303
Service Diagnostics Controls
304
Service Diagnostics Utilities
305
Status
305
Test Prints
306
Control Panel Troubleshooting
306
No Control Panel Display after Power Is Turned on
306
Control Panel LED Is On, Control Panel Display Is Blank
307
Inoperable Printer Troubleshooting
307
Engine Power-Up Sequence (BIST)
308
Printer Continually Displays Warming up
309
Printer Displays Install or Reseat Imaging Unit
309
Printer Displays Reseat Contoller Board
309
Printer Does Not Come to a Ready State
310
Paper Size Switch Assembly
310
Power Supply
312
AC Power Supply Troubleshooting
312
DC Power Supply Troubleshooting
313
RAM Memory Fault Isolation
313
Media Jams and the Paper Path
315
Skewed Image
316
Damaged Prints
316
Fuser Jams
316
Operating System and Application Problems
317
Macintosh Printing Problems
317
Windows Printing Problems
319
Image Never Prints
319
Network Problems
320
Network Diagnostics
320
Network Logging
322
USB Port Testing
323
5 Print-Quality Troubleshooting
325
Print-Quality Problems Overview
326
Defects Associated with Specific Printer Components
327
Test Prints
328
Analyzing the 100% Solid Fill Pages
328
Analyzing the Color Test Pages
329
Analyzing the PS Pattern
330
Analyzing the Color Step Pages
331
Print-Quality Troubleshooting
332
Light Prints in All Colors
332
Light Print in Only One Color
334
Blank Prints
336
Mottled or Splotchy Prints
338
Unexpected Colors
340
Repeating Bands, Lines, Marks, or Spots
342
Random Bands, Lines, Marks, or Missing Spots
343
Random Spots
345
Background Contamination
347
Residual Image, Ghosting or Hot Offset
349
Incomplete Fusing or Cold Offset
351
Mis-Registration, Color Layers Not Correctly Registered
352
Toner on Back of Print
355
Image Not Centered or Positioned Correctly
356
Process Direction Bands, Voids, or Streaks
358
Scan Direction Bands, Voids, or Streaks
359
Scan Direction Dark Streaks
361
Process Direction Bands, Voids, or Streaks
362
6 Adjustments and Calibrations
363
Color Calibration
364
Margin Calibration
364
Automatic Density Control (ADC) Calibration
364
Automatic Thickness (ATS) Calibration
366
Adjustments
367
Vertical and Horizontal Color Registration
367
Resetting NVRAM
368
Restore Factory Color Settings
368
Restore Previous Color Settings
368
Restore Factory Margins Settings
368
Resetting Connection Setup Defaults
369
Resetting Postscript Setup Defaults
369
Resetting PCL Setup Values to Default
369
Resetting Control Panel Setup Values to Default
370
Resetting Printer Controls Values to Default
370
Resetting All Printer Defaults (Postscript NVRAM)
370
Service Diagnostics NVRAM Utilities
371
Postscript NVRAM Reset
371
CRU Counter Read
371
CRU Counter Reset
371
7 Cleaning and Maintenance
373
Service Maintenance Procedures
374
Cleaning
374
Cleaning the Imaging Unit Contacts
375
Cleaning the LED Heads
377
Cleaning the Feed Rollers
377
Maintenance
378
RIP (Repair, Inspect, and Prevent) Procedures
378
8 Service Parts Disassembly
379
Overview
383
Standard Orientation of the Printer
383
General Notes on Disassembly
384
Preparation
384
Notations in the Disassembly Text
384
Fastener Types
385
Maintenance Items and Consumables
386
Imaging Unit Removal
386
Toner Cartridge Removal
387
Transfer Unit Removal
388
Fuser Removal
389
Print Engine Disassembly
390
Covers
391
Rear Cover
391
Lower Rear Cover
392
Right Rear Cover
393
Right Side Cover
394
Left Side Cover
395
Front Door
396
Door B
397
Left Rear Cover
398
Left Front Cover
399
Upper Front Cover
400
Right Front Cover
401
Top Cover
402
Trays
403
Tray 1 (MPT)
403
Tray 1 (MPT) Level Sensor
406
Tray 1 (MPT) Home Position Sensor
408
OHP Sensor
409
Feed-Out Sensor #1
410
Tray 1 (MPT) no Paper Sensor
411
Tray 1 (MPT) Feed Rollers
412
Tray 2 Feeder
416
Registration Motor
417
Feed Motor
418
Lift Motor
419
Registration Clutch #2
420
Door B Detect Sensor
421
Tray 2 no Paper Sensor
423
Registration Sensor #2
425
Feed-Out Sensor #2
428
Feeder Board
431
Tray 2 Feed Rollers
432
Side Output Tray
433
Chassis
434
Job Offset Assembly
434
Job Offset Motor
437
Job Offset Home Position Sensor
439
Top Output Chute
441
Door a Latch Assembly
442
Media Thickness Sensor
444
Temperature/Humidity Sensor
445
Exit Assembly
446
Exit Gate Solenoid
448
Fuser Exit Sensor and Actuator
449
Top Output Tray Stack Full Sensor
450
Side Output Tray Detect Sensor
451
Side Output Tray Stack Full Sensor
453
Door E Detect Sensor
455
Fuser Release Sensor
457
Registration Sensor Assembly
458
Registration Shutter Solenoid
459
ADC Sensor
460
Media Slack Sensor and Actuator
461
Registration Assembly
462
Registration Clutch #1
463
Waste Toner Auger Assembly
464
Waste Toner Reservoir Full Sensor
466
Waste Toner Reservoir Auger Rotation Sensor
467
Waste Toner Auger Rotation Sensor
468
Transfer Unit Belt Rotation Sensor
469
Lower Basket Assembly
470
Basket Assembly
471
LED Assembly
478
Drive
481
Transfer Unit Motor
481
Toner Motors
482
Imaging Unit Motors
483
Fuser Motor
484
Waste Toner Motor
485
Imaging Unit Lift Uplink
486
Electrical
489
Control Panel
489
Engine Control Board
490
Image Processor Board
491
Card Cage Fan Duct
492
Card Cage Fan
493
Card Cage
495
HVPS Cover
496
High Voltage Power Supply
497
Housing Bias Assembly
498
Low Voltage Power Supply
499
LVPS Fan
502
LED Head
503
LED Relay Board
504
Top Cover Interlock Switch
505
Waste Toner Reservoir Detect Switch
508
Door a Interlock Switch
510
Imaging Unit Fan
511
Transfer Unit Fan
512
Top Cover Fan
513
IP Fan
516
Paper Size Switch
517
Motor Driver Board
519
Imaging Unit Sensor Board
520
Toner Supply Camshaft
522
Imaging Unit Motor Mounting Plate
523
CRUM Reader Board
524
CRUM Antenna
525
Registration Sensor Board
526
Fuser Fan
527
Front Sensor Board
528
Rear Sensor Board
529
9 Parts List
531
Serial Number Format
532
Using the Parts List
533
Print Engine Parts
534
Xerox Supplies and Accessories
588
Service Kits
590
Feed Roller Kit
590
Sensor Kit
591
Actuator Kit
591
Screw Kit
592
Hardware Kit
592
Gear Kit
593
Harness Kit
594
10 Wiring Diagrams
595
Plug/Jack Locator Diagrams
596
Print Engine Plug/Jack Designators
596
Print Engine Plug/Jack Locators
598
Wiring Diagrams
611
Notations Used in Wiring Diagrams
611
Print Engine Wiring Diagrams
613
Feeder Board
614
Rear Sensor Board
623
Control Panel
637
Reference
639
Phaser 7400 Menu Map
640
Printer Status Codes
642
Service Diagnostics Menu Map (1/2
649
Service Diagnostics Menu Map (2/2
650
Service Diagnostics Tests
651
Registration
654
Mode Select Port
666
Obtaining Serial Back Channel Traces
667
Preparing the Printer for Shipment
668
Other manuals for Xerox Phaser 7400
User Guide
196 pages
Setup Guide
2 pages
Supplementary Guide
8 pages
Quick Reference Guide
8 pages
Evaluator Guide
20 pages
Instructions
7 pages
Related product manuals
Xerox Phaser 750
2 pages
Xerox PHASER 7500
164 pages
Xerox Phaser 7760
564 pages
Xerox Phaser 7800
12 pages
Xerox Phaser 7100
140 pages
Xerox Phaser 7300
3 pages
Xerox Phaser 7700
4 pages
Xerox Phaser 7800DN
178 pages
Xerox PHASER 7500 Series
6 pages
Xerox Phaser 860
108 pages
Xerox Phaser 3600
109 pages
Xerox Phaser 6500
162 pages
To Next Page