Epson LQ-200 Service Manual
Epson LQ-200 Service Manual Table of Content
Chapter 1 General Description
Features
Specifications
Hardware Specifications
Firmware Specifications (ESCYP)
Parallel Interface
DIP Switches and Jumpers
DIP Switches
Jumpers
Operating Instructions
SelecType
Self Test
Demonstration
Hexadecimal Dump Function
Bit Image Printing
Error Conditions
Buzzer Operation
Printer Initialization
Default Values
Head Adjust Lever
Printhead Protection During Heavy Duty Printing
Main Components
CO64 MAIN PCB
Control Panel PCB
PEBFIL-II PCB
Transformer
Model 5ClO Printer Mechanism
Housing
Chapter 2 Principles of Operation
Overview
Connector Summary
Overview of Printer Mechanism Operation
Circuit Overview
Firmware Overview
Principles of Operation
Power Supply Circuit
Reset Circuit
Address Decoder and Bank Register
Carriage Operation
Paper Feeding
Printhead
A/D Converter Circuit
Host Interface
Ribbon Feed Mechanism
Chapter 3 Disassembly and Assembly
General Repair Information
Tools
Small Parts
Service Checklist
Disassembly and Assembly
Removing the Printhead
Removing the Case
Removing the Circuit Boards.
Removing the Printer Mechanism
Disassembling the Printer Mechanism
Chapter 4 Adjustment
Adjustment Overview
Adjusting the Platen Gap
Adjusting the Bidirectional Printing Alignment
VRl and VR2 Specifications
Adjustment Procedures
Chapter 5 Troubleshooting
Procedure for Troubleshooting the Printer
Unit Replacement
Repair of the Main Board
Repair of the Printer Mechanism
Chapter 6 Maintenance
Preventive Maintenance
Lubrication and Adhesive Application
Appendix
Connector Summary
Circuit Board Component Layout
Exploded Diagrams
Case Outline Drawings
Epson LQ-200 Features
The Epson® LQ-200/ActionPrinterTM 3000 (AP3000) is a small, light-weight, low- cost printer similar to the LQ-500. The printer’s main features are:
- Epson ESC/P® code printing, implemented as a standard feature
- These printing speeds:
- 192 cps (draft, 12 cpi)
- 160 cps (draft, 10 cpi)
- 64 cps (letter quality, 12 cpi)
- 53 cps (letter quality, 10 cpi)
- Clear, easy-to-read printing with standard Epson fonts
- Seven built-in letter quality (LQ) fonts (Roman, Sans Serif, Courier, Prestige, Script, OCR-B, and Orator)
- Direct built-in font selection using control panel buttons Automatic loading for single sheet paper
- Two paper slots (rear and bottom)
- Easy handling of single sheet paper with the optional cut sheet feeder (CSF) Standard Epson 8-bit parallel interface.
Epson LQ-200 Specifications
This section provides the specifications for the LQ-200/AP3000.
Hardware Specifications
Printing Method: Serial, impact, dot matrix
Pin Configuration: 24 wires; 12 x 2 staggered, diameter 0.008 inches (0.2 mm)
Feeding Methods: Friction feed, tractor feed
Line Spacing: 1/6 inch or programmable in units of 1/180 inch Paper Insertion From rear or bottom
Paper Feed Speed: 100 ms/line at 1/6-inch line feed 2.2 inches per second, continuous feed
Paper Specifications See Tables 1-2, 1-3, and 1-4
Readmore and Download Epson LQ-200 Service Manual
| Title | : Epson LQ-200 Service Manual |
| Format | |
| Pages | : 193 Pages |
| Language | : English |
| File Size | : 5 MB |
