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Epson FX 890 - B/W Dot-matrix Printer

Epson FX 890 - B/W Dot-matrix Printer
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EPSON FX-1180/880
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Table of Contents

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Epson FX 890 - B/W Dot-matrix Printer Specifications

General IconGeneral
BrandEpson
ModelFX 890 - B/W Dot-matrix Printer
CategoryPrinter
LanguageEnglish

Summary

PRODUCT SPECIFICATION

1.1 SPECIFICATION

Detailed technical specifications including hardware, resolution, printing speed, and paper handling.

1.2 OPERATION

Covers printer operations, control panel functions, switch operations, and special power-on modes.

OPERATING PRINCIPLES

2.1 MAIN COMPONENTS

Identifies and describes the printer's main hardware components, including circuit boards and mechanisms.

2.2 PRINTER MECHANISM

Explains the function and operation of key printer mechanisms like the printhead, paper feed, and carriage movement.

2.3 CIRCUIT OPERATION

Details the operation of the power supply circuit and the main control board circuits.

TROUBLESHOOTING

3.1 OVERVIEW

Outlines the general troubleshooting process, component checking, and motor coil resistance tests.

3.2 UNIT LEVEL TROUBLESHOOTING

Lists common printer symptoms and their corresponding problems with troubleshooting flowcharts.

3.3 UNIT REPAIRING OF THE POWER SUPPLY BOARD

Provides component-level repair procedures for the power supply board, detailing symptoms, causes, and solutions.

3.4 UNIT REPAIRING OF THE MAIN BOARD

Offers component-level repair procedures for the main board, covering symptoms, causes, checkpoints, and solutions.

3.5 REPAIRING THE PRINTER MECHANISM

Guides on diagnosing and repairing printer mechanism issues, including motors, printhead, and paper feed problems.

DISASSEMBLY AND ASSEMBLY

4.1 OVERVIEW

Introduces disassembly procedures, including precautions, tools required, and post-repair checks.

4.2 DISASSEMBLY AND ASSEMBLY PROCEDURES

Details step-by-step procedures for removing and disassembling various printer components and mechanisms.

ADJUSTMENT

5.1 ADJUSTMENT OVERVIEW

Outlines adjustments required after part replacement and lists the necessary tools for each adjustment.

5.2 ADJUSTING AND RESETTING THE PRINTER

Provides detailed procedures for critical printer adjustments like Platen Gap, Factory Setting, and Bi-D Adjustment.

MAINTENANCE

6.1 PREVENTIVE MAINTENANCE

Describes essential preventive maintenance tasks to keep the printer in optimal condition and prevent issues.

6.2 LUBRICATION

Details the specific oils and greases required and identifies the lubrication points for printer maintenance.

APPENDIX

7.1 CONNECTOR SUMMARY

Provides a summary of all printer connectors, their pin assignments, and corresponding signal descriptions.

7.2 COMPONENT LAYOUT

Shows the physical layout of components on the main circuit boards for easy identification and reference.

7.3 DIMENSIONS AND WEIGHT

Lists the physical dimensions and weight specifications for the FX-1180 and FX-880 printer models.

7.4 EXPLODED DIAGRAM

Presents exploded diagrams of the printer's assemblies for visual reference during disassembly and reassembly.

7.5 CIRCUIT DIAGRAM

Offers detailed circuit diagrams for the printer's various electronic boards, aiding in repair and understanding.

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