Samsung SCX-8040ND Manuals

Manuals and User Guides for Samsung SCX-8040ND. We have 2 Samsung SCX-8040ND manuals available for free PDF download: Service Manual, Eco Profile

Samsung SCX-8040ND Service Manual

Samsung SCX-8040ND Service Manual (450 pages)

Brand: Samsung | Category: All in One Printer | Size: 27.57 MB

Table of Contents

Service Manual
1
Table of Contents
3
Chapter 1 Precautions

12
- Safety Warning
  12
- Caution for Safety
  13
- Handling Precautions
  14
- ESD Precautions
  16
Chapter 2 Product Description

17
- Speciﬁ Cations
  17
  - General Specifications
    17
  - Printer Specifications
    18
  - Copier Specifications
    18
  - Scanner Specifications
    19
  - Fax Specifications
    19
  - Paper Specifications
    20
- System Conﬁ Guration
  23
  - Front View 1
    23
  - Front View 2
    24
  - Inner View
    26
  - Paper Path
    31
- Sensor Location
  32
- Paper Handling Section
  36
  - Overview
    36
  - Components
    39
  - Functions
    40
  - Paper Tray
    41
  - Pick up Unit
    42
  - Registration Unit
    43
  - MPF Unit
    44
  - Printing Process Overview
    45
  - Image Creation
    45
  - Imaging Unit
    46
  - Drum Drive
    47
- Fuser Unit
  50
  - Fuser Unit Overview
    50
  - Fuser Unit Components
    51
  - Fuser Unit Drive
    52
  - Temperature Control
    53
- Laser Scanning Unit
  54
  - Laser Scanning Unit Overview
    54
  - Laser Synchronizing Detectors
    56
- Printer Drive System
  57
  - Drive Motors
    57
  - Main Drive Unit (OPC, DEVE, MP, REGI, DUPLEX)
    59
  - Front View
    59
  - Pick-Up Drive
    60
  - Fuser/Exit Drive
    61
  - Toner Duct Drive
    62
  - Drive of Toner Supply
    62
  - WTB Leveling Drive
    63
  - PR Release Drive
    63
- Scanner System
  64
  - Scannner System Overview
    64
- DADF System
  67
  - DADF Systme Overview
    67
  - Electric Parts Layout
    68
    
    Dadf Drive System
    69
    
    Hardware Configuration
    75
    
    Circuit Board Locations
    77
    
    Video Controller
    78
    
    OPE Controller
    86
    
    Engine Controller
    90
    
    Scan Controller
    93
    
    DADF Controller
    94
    
    Connection Part
    95
    
    Interface Part
    95
    
    SMPS Board
    96
    
    HVPS Board
    98
    
    DC Power PBA
    99
    
    Eraser PBA
    99
    
    Cassette Joint PBA
    100
    
    Side Joint PBA
    100
    
    Toner Connector PBA
    101
    
    Crum Pba
    102
    
    Development Crum Interface PBA
    102
    
    Deve Crum Joint PBA
    103
    
    Toner Curm Joint PBA
    103
- Fuser PBA
  103
- Waste Sensor PBA
  104
- LED Panel PBA
  104
- Scan Joint PBA
  105
- CCDM Pba
  106
- Scan Cover Open Sensor PBA
  107
- DADF Length Sensor PBA
  107
- DADF Width Sensor PBA
  108
- DADF Mixed Sensor PBA
  108
- DADF LED Panel PBA
  109
- Exit LED Panel PBA
  109
- Heating Cables
  110
Chapter 3 Replacement Procedure

112
- Cover
  112
  - Front Cover
    112
  - Left Cover
    113
  - Rear Cover
    113
  - Right Cover
    114
- OPE Unit
  115
- Scan Unit
  120
  - Scan Glass
    121
  - Scan Main PBA
    122
  - Lamp
    123
  - Original Size Detection Sensor
    125
  - Joint PBA
    125
  - Joint Sub PBA
    126
  - Fan
    126
  - Pulley-Belt
    127
  - Scan Motor and Gear Belt
    128
    
    Home Sensor
    128
    
    Scanner Heating Cable
    129
    
    Align Set
    133
  - Fuser Unit
    134
  - Side Unit
    145
    
    Duplex Sensors
    146
    
    Transfer Sensors
    147
    
    MP Unit
    149
  - Electrical Components
    154
    
    Engine Controller
    154
    
    Hard Disk Drive (HDD)
    155
    
    Video Controller
    156
    
    Joint PBA
    157
    
    Toner PBA
    157
    
    Toner Motor
    158
    
    DC Power PBA
    159
    
    Hvps Pba
    160
    
    Lift Motor
    161
    
    Smps Pba
    162
    
    Smps Fan
    163
    
    Ozone Filter FAN
    165
    
    Side Joint PBA
    166
    
    Eraser Lamp
    167
    
    Waste Sensor PBA
    168
    
    Temperature Sensor
    169
  - Main Drive Unit
    170
    
    Main Drive Motor
    172
    
    Main Drive Clutch
    172
  - Exit Drive Unit
    173
  - Toner Duct Drive Unit
    175
  - PR Release Drive Unit
    176
  - Pick-Up Drive Unit
    177
  - WTB Leveling Drive Unit
    178
  - LSU (Laser Scanning Unit)
    181
  - Frame Duct
    184
  - DADF Unit
    185
    
    DADF Main PBA
    195
    
    DADF Motors
    197
    
    DADF Cover Open Sensor
    200
    
    Pick-Up Guide Sensor PBA
    202
    
    DADF Solenoid
    203
  - Exit Unit
    204
  - Regi. Unit
    206
  - Pick-Up Unit
    208
  - Cassette Heating Cable
    210
  - Service Mode
    213
Chapter 4 Troubleshooting

214
- Information Tab
  214
- Maintenance Counts Tab
  216
- Diagnostics Tab
  217
- Service Functions
  217
- Information
  218
  - General
    218
  - Supply Status
    218
  - Software Version
    220
  - Service Hours
    220
  - Fault Log
    220
  - Print Reports
    220
- Maintenance Counts
  221
  - Fault Count
    221
  - Jam Count
    222
  - Part Replacement Count
    224
- Diagnotics
  225
- Engine Diagnostics
  225
  - NVM Read/Write
    225
  - Engine Test Routines
    228
- Fax Diagnostics
  234
  - Fax NVM Read/Write
    234
  - Fax Test Routines
    235
- Scanner Diagnostics
  237
  - Shading Test
    237
  - Scanner/Dadf Test Routines
    238
- Adjustment
  240
  - Print Adjustment
    240
  - Copy Adjustment
    242
  - Scan Area Adjustment
    243
  - DADF Adjustment
    245
  - Finisher Adjustment
    247
- Acs
  250
- Color Management
  251
- Main Memory Clear
  252
- Hard Disk Maintenance
  252
- Debug Log
  252
- Port
  253
- Capture Log
  253
- Toner Save
  253
- System Recovery
  253
- User Data Management
  254
- TR Control Mode
  255
Chapter 5 Updating Firmware

256
Chapter 6 Preventive Maintenance (PM)

267
- PM Supplies
  267
- PM Procedures
  271
  - Toner Cartridge
    271
  - Imaging Unit
    273
  - Nd Transfer Roller
    277
  - Fuser Unit
    278
  - Pick Up/ Retard/ Forward Roller
    279
  - Ozone Filter
    279
  - DADF Rollers (Pick up /ADF/ Retard)
    280
  - Scanner Fan Filter
    287
- Cleaning the PM Parts
  288
  - Cleaning the Charge Scorotron
    288
  - Cleaning the Pick up Roller
    288
  - Cleaning the Regi Roller
    289
  - Cleaning the Tray1 Feed Roller
    289
  - Cleaning the Tray2 Feed Roller
    290
  - Cleaning the DADF Rollers
    292
  - Cleaning the ADF Glass
    293
Chapter 7 Troubleshooting

294
- Error Code and Error Message
  296
- Error Code Details
  305
- Image Quality Problems
  403
  - Vertical Lines
    404
  - Horizontal Lines
    405
  - White Spot
    406
  - Black Background
    407
  - Blurred Image
    408
    
    Uneven Pitch and Jitter Image
    409
    
    Skewed Image
    410
    
    Low Image Density
    411
    
    Blank Copy, Black Copys
    412
    
    Poor Fusing Performance
    416
    
    Stain on the Paper Back Side
    417
    
    DADF Skew Testing
    418
  - Other Errors
    423
Chapter 8 System Diagram

428
- Engine 1
  428
- Engine 2
  429
  - Main Board & OPE
    430
  - Scan & DADF
    431
- DC Control Board
  433
- Heater & Fuse
  435
Chapter 9 System Recovery

436
- Entry Point
  436
- Network
  439
- Error Page
  441
- Progress Page
  442
- Error List
  443
- HDD Failure
  445

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Samsung SCX-8040ND Eco Profile (6 pages)

Product environmental attributes – THE ECO DECLARATION

Brand: Samsung | Category: All in One Printer | Size: 0.14 MB

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