Epson EPL-9000 Manuals

Manuals and User Guides for Epson EPL-9000. We have 2 Epson EPL-9000 manuals available for free PDF download: Service Manual

Epson EPL-9000 Service Manual (161 pages)

Terminal printer

Brand: Epson | Category: Printer | Size: 3.91 MB

Chapter 1 General Description

10
- Service Manual
  1
- Safety Information
  4
- Table of Contents
  10
- Features
  12
- Figure 1-1. Exterior View of the EPL-9000
  12
- Table 1-1, Options for EPL-9000
  13
- Specifications
  14
- Interface Specifications
  22
- Operating Instructions
  31
  - Control Panel
    31
  - Table 1-12. Selectype Functions
    33
    
    Hexadecimal Dump Mode
    36
    
    Language Setting Mode
    36
    
    Factory Service Mode
    36
    
    EEPROM Format Mode
    37
    
    Table 1-13. Factory Service Mode
    37
  - Display Ofmessages
    38
    
    Status Messages
    38
    
    Error Messages
    38
    
    Table 1-14. Status Messages
    38
    
    Table 1-15. Error Messages
    38
    
    Warning Messages
    39
    
    Table 1-16. Warning Messages
    39
  - Printersharing
    40
    
    Port Fixed Mode
    40
    
    Autosense Mode
    41
    
    Figure 1-11. Auto Sense Mode
    41
  - Emulation Mode Switch Functions
    42
    
    Emulation Switch by
    42
    
    Intelligent Emulation Switch
    42
    
    Figure 1-12. Emulation Switch by SPL
    42
    
    Figure 1-13. Intelligent Emulation Switch
    42
  - Bi Resolution Improvement Technology
    43
  - Figure 1-14. Effect of Biritech
    43
  - Figure 1-15. Ritech Adjustment
    43
  - Optional Memory
    44
- Figure 1-16. Component Layout
  45
- Figure 1-21. LVPS Unit
  45
  - C135 MAIN Board
    46
  - Figure 1-17. C135 MAIN Board
    46
  - Control Panel
    47
  - Figure 1-19. Control Panel
    47
  - MCU PWB Board
    48
  - LVPS Unit
    48
  - Figure 1-20. MCU PWB Board
    48
  - HVPS Board
    49
  - ROS Unit
    49
  - Figure 1-23. ROS Unit
    49
  - Figure 1-24. Fusing Unit
    50
  - Drive Unit
    50
  - Figure 1-26. Imaging Cartridge
    50
- Main Components
  45
Chapter 2 Operating Principles

51
- List of Tables
  52
- Engine Operation
  53
- Print Process
  54
- Drum Charge
  55
  - Laser Exposure
    55
  - Figure 2-5. Laser Exposure
    55
- Development
  56
  - Image Transfer
    56
- Fusing
  57
  - Drum Cleaning
    58
- Paperseparation
  57
- Figure 2-10. Cleaning
  58
- Figure 2-11. Quenching
  58
- Quenching
  58
- Figure 2-12. Paper Feed Procedure Diagram
  59
- Figure 2-13. Paper Feed Mechanism Diagram
  59
- Paper Feed Mechanism
  59
- Cassette Feed
  60
- Figure 2-14. Paper Cassette and Feeder Assembly
  60
- Figure 2-15. Paper Size Detecting
  60
- Figure 2-18. Msi Feed
  62
- Multi-Sheet Inserter Feed (Manual Feed)
  62
- Papertransport
  63
- Engine
  69
  - Scanner Motor Control
    69
  - Figure 2-29. Scanner Motor Control
    69
- Laserdiode Drive
  70
- Figure 2-35. Video Controller Section
  75
- I C135Maln Board Operation
  75
- Video Controller Operation
  75
- Figure 2-37. Data Flow Diagram
  77
  - Buscontrolcircuit
    78
  - Interrupt Control
    79
  - DRAM Management
    79
    
    RS-232C Circuit
    80
  - Localtalkcircuit
    81
  - Video Interface
    82
Chapter 3 Disassembly and Assembly

83
- Figure 1-25. Drive Unit
  84
- List of Figures
  84
- General Information
  86
  - Precautions for Disassembly/Assembly
    86
  - Toois
    86
  - Table 3-1. Tools
    86
  - Small Parts
    87
  - Table 3-2. Screw Abbreviations
    87
  - Table 3-3. Screw and Washer Types
    87
  - Service Checksafierrepair
    88
- Disassembly and Assembly
  89
  - Housing Removal
    89
    
    Rearcoverremova
    89
    
    Top Cover Removal
    89
    
    Leftcoverremoval
    90
    
    Rightcoverremoval
    90
  - Electrical Component Removal
    91
    
    Eleccoverremoval
    91
    
    Video Controller Board (C135Maln Board) Removal
    92
    
    Engine Controller Board (MCUPWB Board) Removal
    93
    
    High Voltage Supply Board (HVPS Board) Removal
    93
    
    Low Voltage Supply Unit (LVPS Unit) Removal
    94
    
    Earth Plate Removal
    95
    
    Fan Unit Removal
    95
  - Feeder Assembly Removal and Disassembly
    96
    
    Feeder Assembly Removal
    96
    
    Feed Solenoid Removal
    97
    
    Turn Solenoid Removal
    97
    
    Feed Roller Assembly Removal
    98
    
    Feed Roller Removal
    98
    
    Turn Roller Assembiy Removal
    99
    
    Paper-Out Actuator (Pesensor Lever) Removal
    99
    
    FEEDER PWB Board Removal
    100
    
    Size Spring Removal
    100
    
    Link Assembly Removal
    101
    
    REGI Roll Assembly Removal
    101
    
    Lower Chute Assembly Removal
    102
    
    Btrassembly Removal
    102
    
    Front Cover Removal
    103
    
    Retard Pad Removal
    104
    
    Trans. Chute Assembly
    104
    
    Pick-Up Roller Assembly Removal
    105
    
    Pick-Up Solenoid Removal
    105
    
    MSI Sensor Removal
    106
    
    Bottom Plate Removal
    106
    
    Control Panei Removal
    107
    
    MSI Tray Removai
    107
  - Fusing Unit Removal and Disassembly
    108
    
    Fusing Unit Removal
    108
    
    Pressure Roller Removal
    108
    
    Exit Chute Removal
    109
    
    Exit Roller Removal
    109
    
    Heater Removal
    110
    
    Heat Roller Removal
    111
    
    Figure 3-42. Removing the Heat Roller
    111
    
    Thermostat Removal
    112
    
    Figure 3-43. Removing the Thermostat
    112
    
    Exit Sensor Removal
    113
    
    Exit Actuator Removal
    113
    
    Figure 3-45. Removing the Exit Actuator
    113
- Drive Unit Removal
  114
- Erase Lamp Removal
  115
- Figure 3-47. Removing the Cru Sensor Pwb Board
  115
- Figure 3-48. Removing the Erase Lamp
  115
- Chapter 4 Adjustments
  118
Chapter 5 Troubleshooting

119
Maintenance Chapter 6

137
- Chapter 6 MAINTENANCE
  138
- User Maintenance
  138
  - Cleaning
    138
  - Imaging Cartridge Replacement
    140
- Service Maintenance
  142
  - Fusing Unit Service
    142
  - Fusing Unit Cleaning
    142
  - Figure 1-9. Control Panel
    146
    
    Pin Assignments
    154
    
    Rear Side
    160

Epson EPL-9000 Service Manual (162 pages)

EPSON TERMINAL PRINTER

Brand: Epson | Category: Printer | Size: 5.11 MB

Chapter 1 General Description

10
- Service Manual
  1
- Safety Information
  4
- General Description
  7
- Table of Contents
  10
- Features
  12
- Figure 1-1. Exterior View of the . . . . . . . . . . . . . . . . . . . . . . . . . . . . Figure 1-2. Printable Area
  12
- Specifications
  14
- Interface Specifications
  22
- Operating Instructions
  31
  - Control Panel
    31
  - Functions
    33
    
    Hexadecimal Dump Mode
    36
    
    Language Setting Mode
    36
    
    Factory Service Mode
    36
    
    EEPROM Format Mode
    37
  - Display Ofmessages
    38
    
    Status Messages
    38
    
    Error Messages
    38
    
    Warning Messages
    39
    
    Printersharing
    40
    
    Port Fixed Mode
    40
    
    Figure 1-11. Auto Sense Mode
    41
  - Emulation Mode Switch Functions
    42
    
    Emulation Switch by
    42
    
    Intelligent Emulation Switch
    42
    
    Figure 1-13. Intelligent Emulation Switch
    42
  - Bi Resolution Improvement Technology
    43
  - Figure 1-14. Effect of
    43
  - Figure 1-15. Adjustment
    43
  - Optional Memory
    44
- Main Components
  45
  - Control Panel
    45
  - HVPS Board
    45
  - Figure 1-16. Component Layout
    45
  - Figure 1-19. Control Panel
    47
  - Figure 1-24. Fusing Unit
    50
  - Drive Unit
    50
  - Figure 1-26. Imaging Cartridge
    50
Chapter 2 Operating Principles

51
- Engine Operation
  53
- Drum Charge
  54
  - Drum Charge
    55
  - Laser Exposure
    55
- Print Process
  54
- Development
  56
  - Image Transfer
    56
- Paperseparation
  57
  - Fusing
    57
  - Drum Cleaning
    58
- Quenching
  58
- Paper Feed Mechanism
  59
  - Cassette Feed
    60
- Multi-Sheet Inserter Feed (Manual Feed) 2-1O
  62
- Papertransport
  63
  - Paper Exit
    65
- Engine Control
  66
- Main Motorfunctions and Control
  67
  - Control Circuit
    68
- Scanner Motor Control
  69
- Laserdiode Drive
  70
- Papersize Detection
  73
Chapter 3 Disassembly and Assembly

83
- General Information
  86
  - Precautions for Disassembly/Assembly
    86
  - Small Parts
    87
  - Service
    89
- Disassembly and Assembly
  89
  - Housing Removal
    89
    
    Top Cover Removal
    89
    
    Leftcoverremoval
    90
    
    Rightcoverremoval
    90
  - Electrical Component Removal
    91
    
    Low Voltage Supply Unit Unit) Removal
    94
    
    Fan Unit Removal
    95
  - Feeder Assembly Removal and Disassembly
    96
    
    Feeder Assembly Removal
    96
    
    Feed Solenoid Removal
    97
    
    Turn Solenoid Removal
    97
    
    Feed Roller Assembly Removal
    98
    
    Feed Roller Removal
    98
    
    Size Spring Removal
    100
    
    Link Assembly Removal
    101
    
    Roll Assembly Removal
    101
    
    Lower Chute Assembly Removal
    102
    
    Front Cover Removal
    103
    
    Retard Pad Removal
    104
    
    Pick-Up Roller Assembly Removal
    105
    
    Pick-Up Solenoid Removal
    105
    
    Sensor Removal
    106
    
    Bottom Plate
    106
    
    Removing the Control Panel
    107
    
    Exit Chute
    109
    
    Exit Roller
    109
  - Chapter 4 Adjustments
    118
  - Troubleshooting
    121
  - Print Quality Problems
    133
Maintenance Chapter 6

137
- Chapter 6 MAINTENANCE
  138
- User Maintenance
  138
  - Cleaning
    138
  - Imaging Cartridge Replacement
    140
- Service Maintenance
  142
  - Fusing Unit Service
    142
  - Fusing Unit Cleaning
    142
  - Figure 1-9. Control Panel
    146

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Epson EPL-9000 Manuals

Epson EPL-9000 Service Manual (161 pages)

Table of Contents

Chapter 1 General Description

Chapter 2 Operating Principles

Chapter 3 Disassembly and Assembly

Chapter 5 Troubleshooting

Maintenance Chapter 6