Epson EPL-3000 Manuals

Manuals and User Guides for Epson EPL-3000. We have 1 Epson EPL-3000 manual available for free PDF download: Service Manual

Epson EPL-3000 Service Manual

Epson EPL-3000 Service Manual (106 pages)

Brand: Epson | Category: Printer | Size: 2.38 MB

Table of Contents

General Description Chapter 1

10
- Service Manual
  1
- Safety Information
  3
- Table of Contents
  10
- Chapter 1
  11
- Features
  11
- Specifications
  13
- Interface Specifications
  19
- Operating Instructions
  26
  - Control Panel
    26
  - Service Mode
    27
    
    EEPROM Format Mode
    27
    
    Hexadecimal Dump Mode
    27
  - Message Display
    28
    
    Status and Error Messages
    28
  - Printer Sharing
    30
  - Emulation Mode Switch Function
    30
    
    Emulation Switch by SPL
    30
    
    Intelligent Emulation Switch
    31
    
    Resolution Improvement Technology
    31
    
    Optional Memory
    32
    
    Toner Save Mode
    32
- Main Components
  33
  - C144 MAIN Board
    34
  - ROM SIMM Board
    35
  - PWB-E Board
    35
  - PWB-F Board
    36
  - Optical Unit
    36
  - Fusing Unit
    37
  - Drive Unit
    37
  - Imaging Cartridge
    37
Operating Principles Chapter 2

38
- Chapter 2 Operating Principles
  40
- Engine Operation
  40
- Figure 2-1. Main Components
  40
- Figure2-2. Printproces Sdiagram
  41
  - Paper Feeding
    42
  - Figure 2-3. Paper Feeding
    42
  - Imaging Cartridge
    43
  - Figure 2-4. Imaging Cartridge
    43
  - Drum Charge
    44
  - Laser Exposure
    44
  - Figure 2-5. Drum Charge
    44
  - Figure2-6. Laserexposure
    44
  - Development
    45
  - Drum Cleaning
    45
  - Image Transfer
    45
  - Figure 2-7. Development
    45
  - Fusing
    46
  - Paper Exit
    46
  - Figure 2-9. Fusing
    46
  - Engine Control
    47
    
    Figure 2-12. P/C Drive
    48
    
    Figure2-13. Developing Drive
    48
    
    Figure2-14. Feeding Drive
    48
    
    Figure2-15. Fusing Drive
    48
    
    Main Motorfunctions and Control
    48
    
    Table 2-1. Gears and Rollers
    49
    
    Figure 2-17. Sensor On/Off Timing
    50
    
    Papertake-Up and Paper Exit Sensors
    50
    
    Fusercontrol
    51
    
    Figure 2-20. Polygon Motor Control Circuit
    53
    
    Figure 2-21. Polygon Motor Driving Start Timing
    53
    
    Polygon Motorcontrol
    53
    
    Laserdiode Drive
    54
    
    Biasvoltages and Laserdrivetiming
    55
    
    Figure 2-23. Laser Emission Power Adjustment Timing
    55
    
    Figure 2-24. High-Voltage Supply Block Diagram
    55
    
    Figure 2-25. Print Process
    56
    
    Figure 2-27. Print Sequence (End)
    56
    
    Fan Motor Control
    57
    
    Figure 2-28. Printing Multiple Pages
    57
    
    Figure 2-29. Fan Motor Control Timing
    57
    
    Power Supply Circuit Functions and Safety Protection
    58
- Print Process
  41
- Video Controller Operation
  59
  - C144Maln Board Operation
    59
  - Figure 2-31. C144 MAIN Board Block Diagram
    59
  - Figure 2-32. Data Flow Diagram
    60
    
    Figure 2-33. Reset Circuit
    61
    
    Reset Circuit
    61
    
    DRAM Management
    62
    
    Figure 2-35. DRAM Management
    62
    
    Interrupt Control
    62
    
    Parallel Interface Circuit
    63
    
    Video Interface
    63
Disassembly and Assembly

64
- Chapter 3 Disassembly and Assembly
  65
- General Information
  65
- Toois
  65
  - Small Parts
    66
  - Service Checks after Repair
    67
- Disassembly and Assembly
  68
  - Housing Removal
    68
    
    Rearframer Emoval
    69
    
    Removal of the Controller Section
    70
  - Disassembling the Engine
    71
    
    Fusing Unit Removal
    71
    
    Optical Unit Removal
    71
    
    Heater Lamp Removal
    72
    
    Power Supply Unit (PWB-E) Removal
    72
    
    List of Figures
    74
    
    Troubleshooting
    78
    
    Print Quality Anomaly
    83
    
    User Maintenance
    87
    
    Service Maintenance
    89

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