User Manuals: Samsung SL-X7400GX Color Laser Printer

Manuals and User Guides for Samsung SL-X7400GX Color Laser Printer. We have 1 Samsung SL-X7400GX Color Laser Printer manual available for free PDF download: Service Manual

Samsung SL-X7400GX Service Manual

Samsung SL-X7400GX Service Manual (521 pages)

A3 Color Copier

Brand: Samsung | Category: Copier | Size: 19 MB

Table of Contents

Table of Contents

2
- Precautions
  11
  - Safety Warning
    11
  - Caution for Safety
    12
    
    Electric Shock and Fire Safety Precautions
    12
    
    Toxic Material
    12
    
    Assembly and Disassembly Precautions
    14
    
    Handling Precautions
    14
    
    Disregarding this Warning May Cause Bodily Injury
    15
  - ESD Precautions
    16
- Product Specifications and Description
  17
  - Product Overview
    17
  - Specifications
    18
    
    General Specification
    18
    
    Print Specifications
    20
    
    Scan Specification
    22
    
    Copy Specification
    23
    
    Fax Specification
    24
    
    Paper Handling Specification
    26
    
    Network and Software Specification
    29
    
    Supplies
    32
    
    Maintenance Parts
    33
    
    Maintenance Table
    34
    
    Option
    35
    
    Option List
    36
  - Machine External View
    40
    
    Rear View
    42
    
    Inner View
    43
  - Feeding System
    44
    
    Feeding System Overview
    44
    
    Main Components and Functions
    45
    
    Cassette (Tray)
    49
    
    Pick-Up Unit
    50
    
    Registration Unit
    51
    
    Mpf(Multi-Purpose Feeder) Unit
    52
  - Image Creation
    53
    
    Printing Process Overview
    53
    
    Imaging Unit
    54
    
    Imaging Unit Overview
    54
    
    Drum Drive
    55
    
    Deve(Development) Unit
    56
    
    Toner Cartridge
    58
    
    ITB (Intermediate Transfer Belt) Unit
    59
    
    ITB Unit Overview
    59
    
    Transfer Belt Drive
    60
    
    Transfer Belt Cleaning
    61
  - Toner Reservoir Unit
    62
- Fuser Unit
  63
  - Fuser Unit Overview
    63
  - Fuser Unit Drive
    64
  - Fuser Unit Temperature Control
    65
  - Loop Control
    66
- Laser Scanning Unit (LSU)
  67
  - LSU Overview
    67
  - Laser Scanning Optical Path
    68
  - Laser Synchronizing Detectors
    69
  - Automatic Line Position Adjustment
    70
- Drive System
  73
  - Drive Motors
    73
  - Main Drive Unit(Opc_Deve_Itb)
    75
  - Pick-Up and CST Lift Drive
    76
  - Feed Drive
    77
  - Regi Drive
    78
  - Fuser(Release)_Exit Drive
    79
  - Toner Supply_Reservoir Drive
    80
  - CST Lock Drive
    81
  - Engage T1 Drive
    82
  - WTB Drive
    83
- Scanner System
  84
- Dual Scan Document Feeder(DSDF) for LX Model
  94
  - DSDF Overview
    94
  - Electrical Parts Location
    95
  - DSDF Drive System
    97
    
    DSDF Original Pick-Up Assembly
    98
    
    DSDF Original Regi. Drive
    99
    
    Original Scanning and Feed-Out Drive
    100
- Dual Scan Document Feeder(DSDF) for GX Model
  101
  - DSDF Overview
    101
  - Electrical Parts Location
    102
  - DSDF Drive System
    105
    
    DSDF Original Pick-Up Assembly
    106
    
    DSDF Original Pre-Regi Assembly
    107
    
    DSDF Original Regi Assembly
    108
    
    DSDF Original Scanning Drive Assembly
    109
    
    DSDF Original Exit Assembly
    110
    
    DSDF Original Lifting Assembly
    111
    
    DSDF Original Pick-Up_Reverse Roller Release Assembly
    112
    
    DSDF Scan in Roller Release Assembly
    113
  - Hardware Configuration
    114
    
    Main Controller
    116
    
    Usb Hub Pba
    123
    
    SMPS (Switching Mode Power Supply) PBA (Type5)
    124
    
    SMPS (Switching Mode Power Supply) PBA (Type4)
    126
    
    Fuser Drive Board (FDB)
    128
    
    HVPS (High Voltage Power Supply) PBA
    129
    
    Eraser PBA
    132
    
    Fuser PBA
    132
    
    Waste Sensor PBA
    132
    
    Paper Size Sensor PBA
    133
    
    OPE Unit
    134
    
    Dsdf Pba
    135
    
    Scan Joint PBA
    136
    
    CCDM Pba
    137
    
    Wled if Pba
    138
    
    Wled Pba
    138
  - Double Cassette Feeder(DCF) Unit
    139
  - High Capacity Feeder(HCF) Unit
    145
  - High Capacity Feeder Side Unit (Large Cassette Tray Unit)
    150
- Disassembly and Reassembly
  158
  - Precautions When Replacing Parts
    158
    
    Precautions When Assembling and Disassembling
    158
    
    Precautions When Handling PBA
    158
    
    Releasing Plastic Latches
    159
  - Maintenance
    160
    
    Cleaning the LSU Window
    160
    
    Machine Cleaning for Maintenance
    160
    
    Cleaning the Scan Glass
    161
    
    Cleaning the DSDF White Bar_Cis
    162
    
    Cleaning the Paper Dust Stick
    163
    
    Cleaning the LSU Window
    165
  - Replacing the Maintenance Part
    167
    
    Drum Unit
    167
    
    Development Unit (Deve Unit)
    168
    
    ITB Cleaner
    169
    
    ITB Unit
    170
    
    Fuser Unit
    171
    
    Pick-Up_Separation_Forward Roller
    172
    
    MP Pick Up_Reverse_Forward Roller
    173
    
    DSDF Pick-Up Roller Assy (LX Model)
    174
    
    DSDF Reverse Roller (LX Model)
    175
    
    DSDF Pick-Up Roller Assy (GX Model)
    177
    
    DSDF Reverse Roller Assy (GX Model)
    178
- Replacing the Main SVC Part
  180
  - Left Cover
    180
  - Rear Cover
    180
  - HVPS Board
    181
  - Temperature_Humidity Sensor
    182
  - Lsu
    183
  - OPE Unit
    184
  - Main Board
    185
  - Toner Supply Drive Unit
    186
  - SMPS Board
    187
    
    SMPS Board 1
    187
    
    SMPS Board 2
    188
    
    SMPS Board 3
    189
  - FDB (Fuser Drive Board)
    190
  - SMPS Fan
    191
  - Main Drive Unit
    191
  - Inductor Unit
    191
  - Auto Closing Unit
    193
  - Pick-Up Drive Unit 1
    194
  - Pick-Up Drive Unit 2
    194
  - Regi Drive Unit
    195
  - Feed_Mp Drive Unit
    195
  - Fuser Fan
    196
  - Fuser_Exit Drive Unit
    197
  - Side Door Open Sensor
    197
  - Auto Size Sensor
    198
  - Inner Cover
    199
  - Front Cover Open Sensor
    201
    
    Waste Toner Container Sensor
    201
    
    HDD (Hard Disk Drive)
    202
    
    WTB Drive Unit
    202
    
    LSU Fan
    203
    
    Side Unit
    204
    
    Feed 2 Sensor
    205
    
    Fuser-Out Sensor
    205
    
    MP Unit
    207
    
    MP Empty Sensor
    209
    
    MP Paper Length Sensor
    209
    
    MP Solenoid
    210
    
    Pick up Lifting Sensor and Empty Sensor
    211
    
    Pick-Up Unit 2
    211
    
    Pre-Feed Sensor 2
    212
    
    Pick-Up Lifting Sensor and Empty Sensor
    213
    
    Pick-Up Unit 1
    213
    
    Pre-Feed Sensor 1
    214
    
    Exit Unit
    215
    
    Duplex 1 Sensor
    217
    
    Return Sensor
    217
    
    Exit 1 bin Full Sensor
    218
    
    Exit Gate Solenoid
    218
    
    DSDF Unit for LX Model
    219
    
    Dsdf Pba
    220
    
    DSDF Main Motor
    221
    
    DSDF Paper Length Sensor
    222
    
    DSDF Unit for GX Model
    224
    
    Dsdf Pba
    225
    
    DSDF Stacker Sensor
    226
    
    Scanner Unit(Platen Unit)
    228
    
    Scan Glass
    230
    
    LED Lamp Module
    232
    
    Scanner Imaging Unit
    233
    
    Scan Joint PBA
    234
    
    APS Sensor
    235
    
    Reservoir Unit
    236
    
    DCF Feed Motor
    240
    
    Double Cassette Feeder(DCF) Unit
    240
    
    DCF Pick-Up Motor
    241
    
    Dcf Pba
    242
    
    HCF Feed Motor
    243
    
    High Capacity Feeder(HCF) Unit
    243
    
    HCF Pick-Up Motor
    244
    
    Hcf Pba
    245
    
    HCF Lift-Up Motor
    246
    
    HCF Shaft Motor
    247
    
    High Capacity Feeder Side Unit (Large Cassette Tray Unit)
    248
    
    LCT Feed Motor
    248
    
    Lct Pba
    249
    
    LCT Pick-Up Motor
    249
    
    LCT Lift-Up Motor
    250
- Troubleshooting
  252
  - Control Panel
    252
    
    Display Screen and Useful Buttons
    253
    
    Menu Navigation
    253
    
    Home Screen Overview
    254
    
    Customizing Your Home Screen
    255
    
    Notification Bar
    257
  - Understanding the Leds
    258
  - Updating Firmware
    259
    
    Updating from the Printer Control Panel
    259
    
    Updating from the Network
    260
  - JAM Removal
    263
    
    Clearing Original Document Jams
    263
    
    Clearing Paper Jams
    266
  - Service Mode (Tech Mode)
    271
    
    Entering the Service Mode
    271
    
    Service Mode Menu Tree
    272
    
    General
    277
    
    Information
    277
    
    Supply Status
    277
    
    Fault Log
    278
    
    Print Reports
    278
    
    Service Hours
    278
    
    Software Version
    278
    
    Export Reports
    279
    
    Fault Count
    280
    
    Jam Count
    280
    
    Maintenance Counts
    280
    
    Part Replacement Count
    281
    
    Diagnostics
    282
    
    Engine Diagnostics
    282
    
    Fax Diagnostics
    294
    
    Scanner Diagnostics
    299
    
    Adjustment
    303
    
    Adf Adjustment
    308
    
    ACS (Auto Color Sensing)
    310
    
    Image Management
    311
    
    Print Test Patterns
    313
    
    Count Setting of Large Page
    314
    
    Hard Disk Maintenance
    314
    
    Main Memory Clear
    314
    
    Service Functions
    314
    
    Capture Log
    315
    
    Debug Log
    315
    
    Network Port
    315
    
    Network Packet Capture
    316
    
    System Recovery
    317
    
    TR Control Mode
    319
    
    Clear System Cache
    320
    
    EIUL (End of Image Unit Life)
    320
    
    Fdi
    320
    
    Hibernation
    320
    
    Paper Low Warning Message
    320
    
    Part Replacement Alert
    320
    
    SFE (Special Feature Enablement)
    321
    
    Dealer ID
    322
    
    Envelope Rotate
    322
  - Error Code and Troubleshooting
    323
    
    11-2Txx (Paper Mismatch Error)
    324
    
    61-1Xxx (System Error)
    325
4.6.3. A1-XXXX (Motor Error)

326
4.6.5. A3-XXXX (Sensor Error)

342
4.6.6. C1-XXXX (Toner Cartridge Error)

347
4.6.7. C3-XXXX (Drum Unit Error)

360
4.6.11. C8-XXXX (Developer Error)

373
4.6.19. Sx-XXXX (System Error)

426

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