Epson LX-HOO Manuals

Manuals and User Guides for Epson LX-HOO. We have 1 Epson LX-HOO manual available for free PDF download: Technical Manual

Epson LX-HOO Technical Manual

Epson LX-HOO Technical Manual (142 pages)

Brand: Epson | Category: Printer | Size: 2.64 MB

Table of Contents

Chapter 1 General Description

7
Chapter 2 Operating Principles

30
- Operating Principles
  30
- List of Figures
  31
- Cable Connections
  34
- Power Supply Circuit
  35
  - ROC Filter Unit
    35
    
    Fuse and Filter Circuit
    36
    
    Power Transformer
    36
  - Regulator Circuit
    37
    
    Operation Principles of Chopper
    38
    
    Type Switching Regulator
    38
    
    Supply Circuit
    39
- Control Circuit
  41
  - Functions of the CPU
    43
  - E05A03 Gate Array Functions
    46
    
    Initialization
    47
    
    Print Data Processing
    52
  - Reset Circuit
    54
  - Carriage Motor
    55
    
    Home Position Sensor
    55
    
    Carriage Motor Control
    56
    
    Home Position Seek
    58
    
    Carriage Motor Drive Circuit
    59
  - Paper Feed Motor
    59
    
    Paper End Sensor
    60
    
    Paper Feed Motor Control
    61
    
    Auto Loading Function
    62
    
    Paper Feed Motor Drive Circuit
    63
  - Printhead
    64
    
    Printhead Control
    64
    
    Printhead Drive Pulse Width Control Circuit
    65
    
    Printhead Drive Circuit
    66
    
    Printer Mechanism Operation
    69
    
    Optional Interfaces
    76
Rev.-A Chapter 4 D Isassembly, Assembly, and Adjustment

77
- Chapter 4
  
  80
  - General Repair Information
    80
  - Disassembly and Assembly
    82
    
    Removal of Printhead
    82
    
    Removal of Cases
    83
    
    Removal of Electric Circuit Boards
    84
    
    ROCX Board Removal
    84
    
    ROC Filter Unit Removal
    85
    
    Removal of Platen Unit and Paper Guide
    86
    
    Removal of Printer Mechanism
    86
    
    Disassembly of Printer Mechanism
    88
    
    Paper Feed Mechanism Removal
    88
    
    Removal of Paper End Sensor
    91
    
    Removal of Paper Feed Motor
    91
    
    Disassembly of Platen Unit
    92
    
    Removal of Carriage Unit
    92
    
    Removal of Carriage Motor
    95
    
    Disassembly of Ribbon Feed Mechanism
    96
    
    Removal of Home Position Sensor
    96
    
    Disassembly of Tractor Unit
    97
    
    Platen Gap Adjustment
    99
    
    Troubleshooting
    101
    
    Unit Replacement
    104
    
    List of Tables
    120
    
    Lubrication and Adhesive Application
    121
    
    Preventive Maintenance
    121
- Chapter 1 Features
  
  134

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