Epson LQ-500 Manuals

Epson LQ-500 Technical Manual (192 pages)

Brand: Epson | Category: Printer | Size: 4 MB

Chapter 1 General Description

7
Chapter 2 Principles of Operation

34
- List of Tables
  37
  - Overview
    38
    
    Summary of Connectors
    38
    
    Overview of Printer Mechanism Operation
    40
  - Principles of Operation
    46
    
    Power Supply Circuit
    46
    
    Power Supply Circuit Block Diagram
    46
    
    Chopper-Type Switching Regulator Circuit
    48
    
    Filter Circuit
    49
    
    Transformer
    49
    
    Rectifier and Smoothing Circuit
    50
    
    Pulse-Width Modulation (PWM) Circuit
    53
    
    VDC Regulator Circuit
    55
    
    VDC Supply Circuit
    57
    
    VX Voltage Supply Circuit
    58
    
    Reset Circuit
    59
    
    Firmware Operation at Reset
    63
    
    Address Decorder and Bank Register
    66
    
    Carriage Mechanism
    68
    
    Carriage Motor Specifications
    68
    
    Carriage Operation
    68
    
    Gate Array Eola05Ka Operation in Carriage Motor Drive Circuit
    70
    
    Carriage Motor Drive Circuit
    72
    
    Carriage Motor Software Control
    78
    
    Paper Feed
    86
    
    Paper-Feed Mechanism Operation
    86
    
    Paper-Feed Motor Specifications
    88
  - Paper-Feed Motor Drive Circuit
    88
  - Paper-Feed Motor Software Control
    89
  - Printhead
    91
  - Printhead Printing Operation
    91
    
    Printhead Specifications
    92
  - Printhead Drive Circuit Block Diagram
    92
  - Gate Array E05A02LA Operation in Printhead Drive Circuit
    93
    
    Printhead Drive Circuit
    95
  - Printhead Software Control
    96
  - A/D Converter Circuit
    97
    
    Host Interface
    99
    
    Buffer
    102
    
    Buffer and Data Flow
    102
    
    Data Flow
    105
  - Ribbon-Feed Mechanism
    107
  - TABLE 1-1. Interface Options
    108
  - Optional Equipment
    108
- Sensors
  41
- Motors
  43
- Printhead
  43
- Firmware Overview
  45
Chapter 4 Disassembly, Assembly, and Adjustment

113
- PBMA Board
  113
- PEBFIL Board
  113
- General Repair Information
  116
- Disassembly and Assembly
  118
- Control Panel (PEBPNL Board) Removal
  120
- Removal of Circuit Boards
  120
  - PEBFIL Board Removal
    122
  - Transformer Removal
    122
- Removal of Printer Mechanism
  123
  - Removal of Platen Unit and Paper Guide
    123
  - Removal of Printer Mechanism
    124
  - Disassembly of Printer Mechanism
    126
  - Paper-Feed Mechanism Removal
    126
  - Removal of Paper-Feed Motor
    129
  - Removal of Paper-End Sensor
    130
  - Disassembly of Platen Unit
    130
  - Removal of Carriage Unit
    131
  - Removal of Carriage Motor
    133
  - Removal of Home-Position Sensor
    134
  - Disassembly of Ribbon-Feed Mechanism
    135
  - Disassembly of Tractor Unit
    136
- Adjustment
  138
  - Platen Gap Adjustment
    138
  - Bidirectional Printing Alignment Adjustment
    140
    
    Specifications of Vrl and VR2
    140
    
    Adjustment Procedures
    142
Chapter 5 Troubleshooting

144
- General Troubleshooting Techniques
  145
  - Diagnostic Tools
    146
  - Diagnostic System Outline
    146
- Unit Replacement
  147
- Unit Repair
  155
  - Power Supply Circuit
    155
  - Control Circuit
    158
  - Model 5410 Printer Mechanism
    158
    
    Lubrication and Adhesive Application
    160
    
    Preventive Maintenance
    160
  - PEBPNL Board
    182

Epson LQ-500 User Manual (136 pages)

U502

Brand: Epson | Category: Printer | Size: 1 MB

Table of Contents

4
- Options and Supplies
  2
- Introduction
  6
- About this Guide
  7
Setting up the Printer

8
- Chapter 1 Setting up the Printer
  
  8
  - Unpacking the Printer
    9
    
    Removing the Pull Tractor
    10
  - Choosing a Place for the Printer
    12
  - Assembling the Printer
    14
    
    Installing the Paper Feed Knob
    14
    
    Installing the Ribbon Cartridge
    15
    
    Attaching the Paper Guide
    18
  - Testing the Printer
    20
    
    Plugging in the Printer
    20
    
    Loading a Sheet of Paper
    21
    
    Running the Self Test
    23
  - Connecting the Printer to Your Computer
    26
    
    The Parallel Interface
    26
  - Printer Selection Menus
    28
    
    Choosing from a Menu
    28
Paper Handling

30
- Chapter 2 Paper Handling
  
  30
  - Using Single Sheets
    31
    
    Attaching the Paper Guide
    31
    
    Loading Paper
    33
    
    Reloading During Printing
    36
  - Using Continuous Paper
    37
    
    Installing the Pull Tractor
    37
    
    Loading Continuous Paper
    40
    
    Positioning Your Continuous Paper Supply
    40
    
    Attaching the Paper Guide
    45
    
    Setting the Top of Form Position
    46
    
    The Printer
    47
    
    When You Have Finished Printing
    48
  - Printing on Special Paper
    49
    
    The Paper Thickness Lever
    49
    
    Using Multi-Part Forms
    51
Using the Printer

52
- Chapter 3 Using the Printer
  
  52
  - Operating the Control Panel
    53
    
    Lights
    53
    
    Buttons
    54
    
    Other Control Panel Features
    55
  - DIP Switches
    56
    
    Setting the DIP Switches
    56
    
    DIP Switch Functions
    58
    
    International Character Set
    59
    
    Pitch Selection
    59
    
    Skip over Perforation
    61
  - Selecting Typestyles
    62
    
    Built-In Character Fonts
    62
    
    Selecting a Font with Selectype
    63
    
    Selecting a Font with DIP Switches
    64
  - Selecting an International Character Set
    65
    
    Using the Printer
    66
  - Choosing a Character Table
    67
Troubleshooting and Maintenance

68
- Chapter 4 Troubleshooting and Maintenance
  
  68
Technical Specifications

80
- Chapter 5 Technical Specifications
  
  80
  - Printer Specifications
    81
    
    Printing
    81
    
    Paper
    82
    
    Pull Tractor
    82
    
    Electrical
    84
    
    Mechanical
    84
    
    Environmental
    85
  - Interface Specifications
    86
  - Initialization
    90
  - Default Settings
    91
- Chapter 6 Command Summary
  
  92
  - Vertical Motion
    93
  - Data Control
    93
  - Horizontal Motion
    94
  - Overall Printing Style
    95
  - Print Size and Character Width
    95
  - Print Enhancement
    96
  - Command Summary
    98
  - User-Defined Characters
    98
Appendix

100
- Appendix
  101
  - Compatible Interface
    101
  - Installing the Interface Board
    101
  - 8143 New Serial Interface Board
    111
  - The Multi-Font Module
    113
  - Installing the Multi-Font Module
    115
  - Selecting the Multi-Font Module
    116
  - Glossary
    118
  - Index
    124
    
    Quick Reference
    127
    
    Commands Arranged by Topic
    128
    
    International Character Set Selection
    135
- The Interface Boards
  101

Epson LQ-500 Product Support Bulletin (8 pages)

24 Pin Printer Error and Beep Codes

Brand: Epson | Category: Printer | Size: 0 MB

Epson LQ-500 Technical Brief (8 pages)

Impact Printers

Brand: Epson | Category: Printer | Size: 0 MB

Epson LQ-500 Product Support Bulletin (18 pages)

24 Pin Printer Error and Beep Codes

Brand: Epson | Category: Printer | Size: 0 MB

Epson LQ-500 Product Support Bulletin (7 pages)

24 Pin Printer Error and Beep Codes

Brand: Epson | Category: Printer | Size: 0 MB

Epson LQ-500 Product Support Bulletin (20 pages)

laser & Non-Impact Printer Error Codes

Brand: Epson | Category: Printer | Size: 0 MB

Epson LQ-500 Product Support Bulletin (4 pages)

24 Pin printer

Brand: Epson | Category: Printer | Size: 0 MB

Epson LQ-500 Product Support Bulletin (9 pages)

Product Support Bulletin(s)

Brand: Epson | Category: Printer | Size: 0 MB

Epson LQ-500 Product Support Bulletin (4 pages)

Product Support Bulletin(s)

Brand: Epson | Category: Printer | Size: 0 MB

Epson LQ-500 Product Information (5 pages)

Epson ActionPrinter L-1000: Product Information

Brand: Epson | Category: Printer | Size: 0 MB

Epson LQ-500 Product Support Bulletin (3 pages)

Power Specifications

Brand: Epson | Category: Printer | Size: 0 MB

Epson LQ-500 Product Support Bulletin (2 pages)

Product Support Bulletin(s)

Brand: Epson | Category: Printer | Size: 0 MB

Epson LQ-500 Manuals

Table of Contents

Chapter 1 General Description

Chapter 2 Principles of Operation

Chapter 4 Disassembly, Assembly, and Adjustment

Chapter 5 Troubleshooting

Table of Contents

Table of Contents

Setting up the Printer

Chapter 1 Setting up the Printer

Paper Handling

Chapter 2 Paper Handling

Using the Printer

Chapter 3 Using the Printer

Troubleshooting and Maintenance

Chapter 4 Troubleshooting and Maintenance

Technical Specifications

Chapter 5 Technical Specifications

Chapter 6 Command Summary

Appendix

Table of Contents

Table of Contents

Table of Contents

Table of Contents

Table of Contents

Table of Contents

Table of Contents

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