Toshiba e-STUDIO500P - USB Board Assembly Removal

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4-80 Service Manual

4061-xx0

USB board assembly removal

1. Remove the upper front cover.

2. Disconnect the USB cable from the USB board assembly.

3. Remove the screw (A) securing the USB board assembly.

Main Page

Default Chapter3
- Table of Contents3
Laser Notices11
Safety Information17
Preface20
- Definitions20
- Parts Catalog20
1. G Eneral Information21
- Maintenance Approach21
- Options21
  - Configured Models22
- Specifications23
- Media Specifications28
  - Paper and Specialty Media Guidelines28
    - Supported Print Media28
Index31
- Selecting Print Media32
- Tools Required35
  - Paper35
- Acronyms36
  - Envelopes37
Diagnostic Information37
- Start37
- Power-On Self Test (POST) Sequence40
Symptom Tables41
- Base Printer Symptoms41
- High-Capacity Feeder (2000-Sheet) Symptoms41
- Paper Tray Symptoms42
- Duplex Option Symptoms42
- Envelope Feeder Symptoms42
- Diagnostic Information43
- Service Error Codes44
Messages and Error Codes44
- User Status Displays67
- User Attendance Messages68
  - User Line 2 Link Messages79
  - Check Device Connection Messages79
- User Attendance Messages-Paper Jams and Paper Handling Errors (2Xx.XX)80
Service Checks108
- 5-Bin Mailbox Service Check108
- 900.XX Error Code Service Check111
- 927.XX Fan Service Check112
  - Main Fan112
  - Cartridge Fan Service Check112
- 950.00 through 950.29 EPROM Mismatch Failure113
- 950.30 through 950.60 EPROM Mismatch Failure114
- Charge Roll Service Check115
- Cover Closed Switch/Cable Service Check116
- Dead Machine Service Check116
- Duplex Option Service Check118
- Envelope Feeder Service Check120
- Fuser Service Checks123
  - 920.XX-Cold Fuser Service Check123
  - 922.XX-Cold Fuser Check125
  - 923.XX-Hot Fuser Service Check126
  - 925.XX-Hot Fuser Service Check127
- Fuser Exit Sensor Service Check128
- Fuser Narrow Media Sensor Service Check129
- Fuser Solenoid Service Check130
- High-Capacity Feeder Input Tray Service Check131
- High-Capacity Output Stacker Service Check136
- Input Sensor Service Check138
- Input Tray(S) Service Check138
- Interconnect Card Service Check140
- Main Drive Service Check141
- Operator Panel Service Check142
  - One or more Operator Panel Buttons Fail142
  - No Buttons Work142
  - Operator Panel Display143
- Options Service Check144
  - Flash Memory Option(S)144
  - DRAM Memory Option(S)144
- Output bin Sensor Standard Tray Service Check145
- Output Expander Service Check146
- Paper Feed Service Check148
- Paper Size Sensing Service Check149
- Parallel Port Service Check152
- Print Quality Service Check152
- Printhead Service Check158
  - Signature Button Assembly Service Check158
  - System Board Service Check162
  - Toner Sensor Service Check163
  - Transfer Roll Service Check164
Diagnostic Aids165
- Accessing Service Menus165
- Diagnostics Mode166
Configuration Menu (CONFIG MENU)189
- Entering Configuration Menu189
- Available Menus189
- Maintenance Page Count (Maint Cnt Value)189
- Maintenance Page Counter Reset (Reset Maint Cnt)190
- Print Quality Pages (Prt Quality190
- Prt Quality Pgs190
- Size Sensing191
- Panel Menus191
- PPDS Emulation191
- Download Emuls191
- Demo Mode191
- Factory Defaults192
- Energy Conserve192
- Event Log192
- Paper Prompts192
- Env Prompts192
- Jobs on Disk192
- Disk Encryption192
- Font Sharpening193
- LCD Brightness193
- LCD Contrast193
- Exit Config Menu193
Additional Useful Menu Locations193
- Hex Trace193
- Menu Settings Page194
- Printing Menu Settings Page194
Theory195
- Autocompensator Operation195
- Autoconnect System, Paper Tray Options, Envelope Feeder-Electrical196
Paper Feed Jams197
- Access Doors and Trays197
- Clearing Printer Jams197
Repair Information206
- Handling ESD-Sensitive Parts206
- Adjustment Procedures207
- Removal Procedures209
Connector Locations and Connections286
- Connections286
- System Board286
- Autoconnect291
- Fuser Board292
- High-Capacity Output Stacker Board293
- High Voltage Power Supply294
- Interconnect Card294
- Low Voltage Power Supply295
- Output Expander Control Board296
Preventive Maintenance300
- Safety Inspection Guide300
- Lubrication Specifications300
- Scheduled Maintenance300
  - Maintenance Kit300
Parts Catalog302
- How to Use this Parts Catalog302
- Assembly 1: Covers303
- Assembly 2: Frame 1306
- Assembly 3: Frame 2308
- Assembly 4: Frame 3310
- Assembly 5: Printhead311
- Assembly 6: Paper Feed-Autocompensator313
- Assembly 7: Paper Feed-Multipurpose Feeder315
- Assembly 8: Paper Feed-Alignment317
- Assembly 9: Integrated 250-Sheet Paper Tray320
- Assembly 10: Integrated 500-Sheet Paper Tray320
- Assembly 11: Drives-Main Drive and Developer Drive322
- Assembly 12: Hot Roll Fuser324
- Assembly 13: Transfer/Charging326
- Assembly 14: Electronics-Power Supplies328
- Assembly 15: Electronics-Card Assemblies331
- Assembly 16: Electronics-Shields332
- Assembly 17: Cabling Diagrams 1334
- Assembly 18: Cabling Diagrams 2335
- Assembly 19: Cabling Diagrams 3336
- Assembly 20: Cabling Diagrams 4338
- Assembly 21: Cabling Diagrams 5340
- Assembly 23: Optional 250-Sheet Paper Tray343
- Assembly 22: Optional 250-Sheet Paper Drawer343
- Assembly 24: Optional 500-Sheet Paper Drawer343
- Assembly 25: Optional 500-Sheet Paper Tray344
- Assembly 26: Duplex Option345
- Assembly 27: Envelope Feeder346
- Assembly 34: 5-Bin Mailbox 2348
- Assembly 33: 5-Bin Mailbox 1348
- Assembly 32: High-Capacity Output Expander 3348
- Assembly 35: High-Capacity Feeder 1348
- Assembly 36: High-Capacity Feeder 2350
- Assembly 37: High-Capacity Feeder 4352
- Assembly 38: High-Capacity Feeder 5353
  - Part Number Index358
Part Number Index363

Toshiba e-STUDIO500P - USB Board Assembly Removal

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