Toshiba e-STUDIO500P - Repair Information: Fuser Service Procedures

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4-26 Service Manual

Fuser assembly removal

CAUTION: Unplug the printer before you begin.

1. Remove the fuser wick assembly cover. See “Fuser wiper cover assembly removal” on page 4-4.

2. Remove the redrive assembly. See “Redrive assembly removal” on page 4-74.

3. Remove the fuser mounting screws (A).

4. Disconnect the fuser to LVPS AC cable (B) from the fuser lamp connector (C).

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 - Repair Information: Fuser Service Procedures

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