Xerox 4400DT - Phaser B/W Laser Printer Manuals

Manuals and User Guides for Xerox 4400DT - Phaser B/W Laser Printer. We have 2 Xerox 4400DT - Phaser B/W Laser Printer manuals available for free PDF download: Service Manual, Specification Sheet

Xerox 4400DT - Phaser B/W Laser Printer Service Manual

Xerox 4400DT - Phaser B/W Laser Printer Service Manual (503 pages)

Service Manual

Brand: Xerox | Category: Printer | Size: 15.51 MB

Table of Contents

Table of Contents

14
- Service Manual
  3
- FRU Disassembly
  4
  - Symbols Marked on the Product
    5
  - Power Source
    6
  - General Guidelines
    8
  - Warning Labels
    8
  - Safety Interlocks
    8
  - Servicing Electrical Components
    9
  - Servicing Mechanical Components
    9
  - Regulatory Specifications
    10
  - Declaration of Conformity
    10
  - Safety Standards
    12
  - Table of Contents
    14
- General Information
  18
  - Section Contents
    18
  - Phaser 4400 Laser Printer Overview
    19
    
    Configurations
    19
    
    Resident Fonts
    19
    
    Monitoring Consumables
    20
    
    Printer Memory Configuration
    20
    
    Repackaging Information
    20
  - Parts of the Printer
    21
    
    Base Configuration Components
    21
    
    Internal Components
    23
    
    Printer Options
    23
    
    Front Panel Configuration
    25
    
    Led Indications
    25
    
    Image Processor Board
    27
  - Machine Orientation
    29
  - Menu Map
    30
  - Printer Specifications
    31
    
    Media and Tray Specifications
    31
    
    Physical Specifications
    31
    
    Custom Paper Sizes
    33
    
    Paper Tips
    33
    
    Paper Weights
    33
    
    Functional Specifications
    35
    
    Electrical Specifications
    36
    
    Environmental Specifications
    36
Error Messages and Codes

38
- Introduction
  38
- Section Contents
  38
- Introduction
  
  39
  - Service Flowchart
    39
  - Service Technician Cautionary Statements
    40
  - Procedures
    40
  - Voltage Measurements
    41
  - Using Fault History
    42
- Service Diagnostics
  
  44
- Printer Error Messages
  
  48
  - Index of Errors
    48
    
    Consumable Errors
    48
    
    Jam Errors
    48
    
    Tray and Media Errors
    48
  - Error Message Summaries
    49
    
    Jam at Tray [#]. Open Tray [#] and Front Cover
    55
    
    Front Cover
    58
    
    Jam at Mpt; Open Front Cover to Clear
    59
    
    Jam at Front; Open Front Cover to Clear
    60
    
    Jam at Exit; Open Rear Cover to Clear
    62
    
    Jam at Stacker; Open both Rear Covers to Clear
    64
    
    Jam at Front/Rear; Open Front/Rear Cover to Clear
    66
    
    Paper Size Jam; Check Size and Open Rear Cover to Clear. (Pse)
    67
    
    Close Front Cover/Close Rear Cover
    68
    
    Install or Reseat Print Cartridge
    70
    
    Replace Print Cartridge
    71
    
    Toner Is Low
    72
    
    Install or Reseat the Duplex Unit
    73
    
    Maintenance Kit Is Near End of Life
    73
    
    Install or Reseat the Envelope Feeder
    74
    
    Stacker Failure
    74
    
    Standard Output Tray Is Full. Unload Paper
    75
    
    Tray [#] Paper Is Low
    76
    
    Tray 2 (or Tray 3) Paper Is Low
    77
    
    No Paper in Tray
    78
    
    Main Motor Failure
    82
    
    Laser Unit Failure
    85
    
    Fuser Failure
    86
    
    Engine Logic Board Nvram Failure
    87
    
    Tray 2 or 3 Failure
    89
- Image Processor POST Error Codes
  
  95
  - Fault Reporting Devices
    95
  - Led Blink Patterns
    95
- Troubleshooting
  
  98
  - Section Contents
    98
  - Introduction
    98
  - Measurements
    98
  - Troubleshooting Procedures
    99
    
    Toner Sensor Failure
    105
    
    Inoperative Printer
    106
    
    Erratic Printer Operation
    110
    
    Power Supply
    111
    
    Main Motor Assembly
    112
    
    Laser Assembly
    114
    
    Fuser Assembly
    115
    
    Registration Sensor
    117
    
    Registration Clutch
    124
    
    Tray 1 Feed Clutch
    126
    
    Image Processor Isolation
    128
    
    Electrical Noise
    130
    
    Exit Sensor
    131
    
    Exit Motor
    132
Image-Quality Checkout Procedures

138
- Deletions (Line, Band, Spots)
  141
- Fusing
  142
- Resolution
  143
- Registration (Side-To-Side)
  144
- Registration (Lead Edge-To-Trail Edge)
  145
- Skew
  146
- Skips / Smears
  147
- Spots
  148
- Other Print Defects
  149
Image-Quality Troubleshooting Procedures

150
- Initial Actions
  151
- Light (Undertoned) Prints
  151
- Blank Prints
  153
- Black Prints
  155
- Vertical Deletions
  156
- Horizontal Deletions
  158
- Vertical Streaks
  160
- Horizontal Streaks
  162
- Spots
  165
- Unfused Image
  166
- Damaged Print
  168
- Resolution
  169
- Spot Deletions
  170
- Repeating Defects
  171
- Residual Image
  172
- Background
  173
- Uneven Density
  175
- Skewed Image
  176
- Registration
  178
- Skips / Smears
  180
Tests Prints, Adjustments, and Nvram Reset

182
- Section Contents
  182
- Service Test Prints
  182
  - Test Print
    183
  - Engine Test Print
    185
- Service Test Prints
  
  183
  - Adjustments
    186
    
    Registration
    186
    
    Fuser Temperature
    187
  - Resetting NVRAM
    188
    
    Customer Menu Resets
    188
    
    Front Panel Shortcut Reset
    189
    
    Service Diagnostics Resets
    189
- Cleaning and Maintenance
  
  192
  - Service Preventive Maintenance Procedure
    192
Fru Disassembly

194
- List of Procedures
  194
- Covers and Trays
  
  199
  - RRP 1.1 Left Interface Cover
    199
  - RRP 1.2 Left Cover
    200
  - RRP 1.3 Option Cover
    201
  - RRP 1.4 Top Cover Assembly
    202
  - RRP 1.5 Right Cover
    203
  - RRP 1.6 Front Cover Assembly
    204
  - RRP 1.7 Left Front Cover
    205
  - RRP 1.8 Rear Cover Assembly
    206
  - RRP 1.9 Front Panel Assembly
    207
  - RRP 1.10 Interlock Cover
    208
  - RRP 1.11 Left Plate
    209
  - RRP 1.12 Plate Handle
    210
- Tray 1
  
  211
  - RRP 2.1 Retard Roller Assembly
    211
  - RRP 2.2 Friction Clutch Assembly
    213
  - RRP 2.3 Retard Spring
    215
  - RRP 2.4 Motor Assembly
    217
  - RRP 2.5 Paper Feeder Connector and Socket Guide
    219
- Paper Feed (Tray 1)
  
  221
  - RRP 3.1 Paper Feeder
    221
  - RRP 3.2 Turn Roller Assembly
    222
  - RRP 3.3 Tray 1 no Paper Actuator
    223
  - RRP 3.4 Stack Height Sensor
    224
  - RRP 3.5 Low Paper Sensor
    225
  - RRP 3.6 Feed Clutch Assembly
    226
  - RRP 3.7 Feeder Assembly
    228
  - RRP 3.8 Paper Feed Rollers
    229
  - RRP 3.9 Feeder PWB
    230
  - RRP 3.10 Feeder Socket
    232
  - RRP 3.11 Size Sensor Housing
    233
  - RRP 3.12 Size Sensor Actuators
    234
  - RRP 3.13 Tray 1 Size PWB
    235
  - RRP 3.14 Size Harness Assembly
    236
- Paper Feed (MPT)
  
  237
  - RRP 4.1 MPT Chute Assembly
    237
  - RRP 4.2 MPT Feed Roller Assembly
    238
  - RRP 4.3 MPT Feed Roller
    240
  - RRP 4.4 Bottom Tray Assembly
    241
  - RRP 4.5 MPT no Paper Actuator
    243
  - RRP 4.6 Tray Pick up
    244
  - RRP 4.7 Retard Pad Assembly
    245
  - RRP 4.8 MPT no Paper Sensor
    246
  - RRP 4.9 MPT Pick up Solenoid
    248
  - RRP 4.10 Envelope Connector Assembly
    249
- Paper Transportation
  
  250
  - RRP 5.1 Paper Handler Assembly
    250
  - RRP 5.2 Toner Sensor
    252
  - RRP 5.3 Registration Actuator
    253
  - RRP 5.4 Registration Sensor
    254
  - RRP 5.5 Registration Clutch
    255
  - RRP 5.6 Rubber Registration Roller
    255
- Exit Assembly and Fuser
  
  258
  - RRP 6.1 Transport Chute Assembly
    258
  - RRP 6.2 Fuser Assembly
    259
  - RRP 6.3 Fuser Harness Assembly
    260
  - RRP 6.4 Exit Chute Assembly
    262
  - RRP 6.5 Exit Motor Assembly
    264
  - RRP 6.6 Output Tray Full Sensor
    265
  - RRP 6.7 MID 1 and MID 2 Roller Assemblies
    266
  - RRP 6.8 Output Tray Full Actuator
    269
  - RRP 6.9 Fuser Upper Cover Assembly/ Heat Rod
    270
- Xerographics
  
  272
- Main Drive
  
  277
  - RRP 8.1 Main Motor Assembly
    277
  - RRP 8.2 Main Drive Gear Assembly
    278
- Electrical
  
  280
  - RRP 9.1 Fan Assembly
    280
  - RRP 9.2 Image Processor Board
    281
  - RRP 9.3 Engine Logic Board
    282
  - Rrp 9.4 5 VDC Pwb
    283
  - Rrp 9.5 Lvps Pwb
    284
  - Rrp 9.6 Hvps Pwb
    285
  - RRP 9.7 Connector PWB
    287
  - RRP 9.8 Main Switch
    288
  - RRP 9.9 Front Interlock Switch Assembly
    289
  - RRP 9.10 Rear Interlock Switch Assembly
    290
  - RRP 9.11 Stacker Harness Assembly
    291
  - RRP 9.12 Duplex Harness Assembly
    292
- Stacker
  
  294
  - RRP 10.1 Stacker
    294
  - RRP 10.2 Exit Tray Extension
    295
  - RRP 10.3 Exit Tray
    295
  - RRP 10.4 Rear Cover Assembly
    297
  - RRP 10.5 Lower Cover
    298
  - RRP 10.6 Inner Exit Chute Assembly
    299
  - RRP 10.7 Stacker PWB
    300
  - RRP 10.8 Motor Drive Assembly
    301
  - RRP 10.9 Static Eliminator
    302
  - RRP 10.10 Direction Solenoid
    303
  - RRP 10.11 Exit Sensor Assembly
    304
  - RRP 10.12 Stacker Full Sensor Actuator
    305
  - RRP 10.13 Stacker Full Sensor
    306
  - RRP 10.14 Offset Roller Assembly
    307
  - RRP 10.15 MID Roller Assembly
    308
  - RRP 10.16 Offset Assembly
    310
  - RRP 10.17 Offset Motor Assembly
    311
  - RRP 10.18 Offset Assembly Home Sensor
    312
- Optional Paper Feeder
  
  313
  - RRP 11.1 Printer Removal
    313
  - RRP 11.2 550-Sheet Feeder Right Cover
    314
  - RRP 11.3 550-Sheet Feeder Left Cover
    315
  - RRP 11.4 550-Sheet Feeder Gear Bracket Assembly
    316
  - RRP 11.5 Top Plate
    317
  - RRP 11.6 550-Sheet Feeder Drive Assembly
    318
  - RRP 11.7 no Paper Actuator
    319
  - RRP 11.8 Turn Roller Assembly
    320
  - RRP 11.9 Feeder PWB
    321
  - RRP 11.10 Feed Clutch Assembly
    322
  - RRP 11.11 Paper Feed Rolls
    323
  - RRP 11.12 Feeder Assembly
    324
  - RRP 11.13 Stack Height Sensor
    325
  - RRP 11.14 Low Paper Sensor
    326
  - RRP 11.15 Feeder Socket
    327
  - RRP 11.16 550-Sheet Feeder Size Harness Assembly
    328
  - RRP 11.17 Size Sensor Housing Assembly
    329
  - RRP 11.18 Size Sensor Actuators
    331
  - RRP 11.19 Size PWB
    332
  - RRP 11.20 Size Harness Assembly
    333
- Duplex Unit
  
  334
  - RRP 12.1 Duplex Unit
    334
  - RRP 12.2 Turn Chute Assembly
    335
  - RRP 12.3 Duplex Cover
    336
  - RRP 12.4 Duplex PWB
    337
  - RRP 12.5 Drive Cover
    338
  - RRP 12.6 Connector Chute Assembly
    339
  - RRP 12.7 Upper Chute Assembly
    340
  - RRP 12.8 Motor Assembly
    342
  - RRP 12.9 Rear Roller Assembly
    343
  - RRP 12.10 Middle Roller Assembly
    344
  - RRP 12.11 Front Roller Assembly
    346
  - RRP 12.12 Synchronous Belt
    347
  - RRP 12.13 Duplex Sensor
    348
  - RRP 12.14 Duplex Unit Home Sensor
    349
- Envelope Feeder
  
  350
  - RRP 13.1 Bottom Cover
    350
  - RRP 13.2 Top Chute
    351
  - RRP 13.3 Envelope Feeder PWB
    352
  - RRP 13.4 Retard Roller Assembly
    353
  - RRP 13.5 Exit Pinch Roller
    354
  - RRP 13.6 Exit Sensor Assembly
    355
  - RRP 13.7 Weight Arm
    356
  - RRP 13.8 Tray Extension
    357
  - RRP 13.9 no Paper Actuator
    358
  - RRP 13.10 no Paper Sensor
    359
  - RRP 13.11 Gear Cover
    360
  - RRP 13.12 Feed Clutch
    361
  - RRP 13.13 Transport Roller Assembly
    362
  - RRP 13.14 Bottom Roller Assembly
    363
  - RRP 13.15 Feed Roller Assembly 1
    365
  - RRP 13.16 Feed Roller Assembly 2
    367
  - RRP 13.17 Feed Belts
    369
- Parts Lists
  
  372
  - Parts List Index
    372
  - Using the Parts Lists
    372
    
    Paper Tray 1
    377
    
    Paper Feeder
    381
    
    Paper Transport
    385
    
    Drive and Xerographics
    391
    
    Optional Feeder
    397
Theory of Operation

414
- Section Contents
  414
- Print Process Overview
  
  416
- Print Process Description
  
  418
  - Charge
    418
  - Exposure
    419
  - Development
    419
  - Transfer
    421
  - Discharge
    422
  - Cleaning
    423
- The Paper Path
  
  424
  - The Three Possible Paper Paths
    425
  - Front Panel Message
    426
- Drive Flow
  
  427
- Engine Logic Board and Front Panel Functions
  
  435
- Image Processor Board
  
  435
  - VDC Pwb
    435
- Power Supplies
  
  436
  - The Low Voltage Power Supply (LVPS)
    436
  - The High Voltage Power Supply (HVPS)
    436
- Interlocks
  
  437
- Laser Control
  
  438
  - Laser Self-Check
    438
  - Printable Area
    438
- Fuser Control
  
  439
  - Laser Trouble (U2 Error Code)
    439
  - Fuser Temperature Control
    439
  - Fuser Temperature Adjustment
    439
  - Fuser Warm-Up
    439
  - Fuser Trouble (U4 Error Code)
    440
  - AC Power Shutoff to the Fuser
    440
  - Fuser Temperature Cycling
    440
- Fan Control
  
  441
- Erase Cycle
  
  441
- Duplex Printing
  
  442
  - Duplex Printing Paper Path
    442
  - Duplex Printing Methods
    444
  - Drive Flow
    444
  - Function of Major Components
    445
- Envelope Feeder
  
  446
  - Envelope Feeder Paper Path
    446
  - Drive Flow
    448
  - Function of Major Components
    449
- Stacker
  
  450
  - Stacker Paper Path
    450
  - Drive Flow
    452
  - Function of Major Components
    453
    
    Duplex Operation
    453
    
    Full Stack Detection
    453
  - Stacker Control
    453
- Option Feeder Assembly
  
  455
  - Option Feeder Assembly Paper Path
    455
  - Drive Flow
    457
  - Function of Major Components
    458
Wiring Data

460
- Section Contents
  460
- Introduction
  
  461
  - Location of P/J Connectors
    461
  - Wiring Diagram Notations
    462
- Base Engine Wiring Data
  
  463
  - Base Engine P/J Table
    463
  - Base Engine P/J Maps
    465
  - Base Engine Block Diagrams
    467
  - Wiring Diagrams
    472
- 550-Sheet Feeder
  
  481
  - 550-Sheet Feeder P/J Table
    481
  - 550-Sheet Feeder P/J Map
    482
  - 550-Sheet Feeder Block Diagram 1 of 2
    483
  - 550-Sheet Feeder Block Diagram 2 of 2
    484
- Duplex Unit
  
  485
  - Duplex Unit P/J Table
    485
  - Duplex Unit P/J Map
    486
  - Duplex Unit Block Diagram
    487
- Stacker
  
  490
  - Stacker P/J Table
    490
  - Stacker P/J Map
    491
  - Stacker Block Diagram
    492
- Envelope Feeder
  
  496
  - Envelope Feeder P/J Table
    496
  - Envelope Feeder P/J Map
    497
  - Envelope Feeder Block Diagram
    498
  - Envelope Feeder Wiring Diagrams
    499

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Xerox 4400DT - Phaser B/W Laser Printer Specification Sheet

Xerox 4400DT - Phaser B/W Laser Printer Specification Sheet (2 pages)

Xerox Laser Printer Specification Sheet

Brand: Xerox | Category: Printer | Size: 1.71 MB

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