Epson EPL-5500 Manuals

Manuals and User Guides for Epson EPL-5500. We have 1 Epson EPL-5500 manual available for free PDF download: Service Manual

Epson EPL-5500 Service Manual

Epson EPL-5500 Service Manual (145 pages)

TERMINAL PRINTER

Brand: Epson | Category: Printer | Size: 2.56 MB

Table of Contents

Chapter 1 General Description

10
- Service Manual
  1
- Safety Information
  5
- Table of Contents
  10
- Features
  13
- Figure 1-1. Exterior View of the EPL-5500
  13
- Table 1-1. Options for the EPL-5500
  14
- Specifications
  15
- Interface Specifications
  22
- Operating Instructions
  31
  - Control Panel
    31
  - Figure 1-9. Control Panel
    31
  - Printer Settings Functions
    33
  - Table 1-12. Printer Settings
    33
  - Service Mode
    36
    
    Heaxadecimal Dump Mode
    36
    
    EEPROM Initialize Mode
    36
    
    Factory Reset Mode
    36
    
    Default Setting Mode
    36
    
    Table 1-13. Service Mode Select Timing
    36
    
    Table 1-14. Default Settings Codes
    37
  - Display of Messages
    40
    
    Status Messages
    40
    
    Error Messages
    40
    
    Service Call Error Message
    40
    
    Table 1-15. Error Messages
    40
  - Printer Sharing
    41
    
    Port Fixed Mode
    41
    
    Auto Sense Mode
    41
    
    Figure 1-10. Port Fixed Mode
    41
    
    Figure 1-11. Auto Sense Mode
    41
  - Emulation Mode Switch Function
    42
    
    Emulation Switch by SPL
    42
    
    Intelligent Emulation Switch
    42
  - Bi Resolution Improvement Technology
    42
  - Figure 1-12. Emulation Switch by SPL
    42
  - Figure 1-13. Intelligent Emulation Switch
    42
  - Figure 1-15. Ritech Adjustment
    43
  - Toner Save Mode
    44
  - Optional Memory
    44
  - Figure 1-16. Toner Save Mode
    44
- Figure 1-17. Component Layout
  45
  - C169 MAIN-B Board
    46
  - Figure 1-18. C169 MAIN-B Board
    46
  - Table 1-16. Differences in Components for the C169 MAIN-B Board
    46
  - PWB-E Board
    47
  - PWB-F Board
    47
  - Figure 1-19. PWB-E Board
    47
  - Figure 1-20. PWB-F Board
    47
  - Optical Unit
    48
  - Fusing Unit
    48
  - Figure 1-21. Optical Unit
    48
  - Figure 1-22. Fusing Unit
    48
  - Photoconductor Unit
    49
- Main Components
  45
- Developing Cartridge
  49
- Figure 1-23. Photoconductor Unit
  49
- Figure 1-24. Developing Cartridge
  49
Chapter 2 Operating Principles

50
- Engine Operation
  52
  - Print Process
    53
    
    Paper Feeding
    54
    
    Drum Charge
    55
    
    Laser Exposure
    56
    
    Development
    56
    
    Image Transfer
    57
    
    Fusing
    57
  - Engine Control
    58
    
    Main Motor Functions and Control
    59
    
    Paper Take-Up Sensor and Paper Exit Sensor
    60
    
    Fuser Control
    61
    
    Scanner Mirror Motor Control
    63
    
    Laser Diode Drive
    64
    
    Bias Voltages and Laser Drive Timing
    65
    
    Operating Principles
    66
    
    Fan Motor Control
    67
    
    Power Supply Circuit Function and Safety Protection
    67
- Video Controller Operation
  68
  - C169 MAIN-B Board Operation
    68
    
    Reset Circuit
    71
    
    Bus Control Circuit
    71
    
    Interrupt Control
    72
    
    DRAM Management
    72
    
    Parallel Interface Circuit
    73
    
    Video Interface
    74
Chapter 3 Disassembly and Assembly

75
- General Information
  77
  - Precautions for Disassembly/Assembly
    77
  - Tools
    77
  - Small Parts
    78
  - Service Checks after Repair
    79
- Disassembly and Assembly
  80
  - Housing Removal
    80
    
    Case Removal
    80
  - Removal of the Controller Section
    81
    
    Main Board (C169 MAIN-B Board) Removal
    81
  - Disassembling the Engine
    82
    
    Optical Unit Removal
    82
    
    Image Transfer Unit Removal
    83
    
    Upper Unit Removal
    85
    
    High-Voltage Supply Board (PWB-F) Removal
    86
    
    Power Supply Unit (PWB-E) Removal
    87
    
    Fusing Unit Removal
    88
    
    Fusing Unit Disassembly
    91
    
    Main Motor Removal
    96
    
    Paper Take-Up Sensor and Paper Take-Up Solenoid Removal
    97
    
    Paper Take-Up Roller Removal
    98
    
    List of Figures
    99
    
    Troubleshooting
    107

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