Epson Stylus Color C70 - C80 Service Manual.pdf - EPSON - misiekyo

SERVICE MANUAL

Color Inkjet Printer

EPSON Stylus Color C70/C80

SEIJ01-004

Notice

mechanical, photocopying, or otherwise, without the prior written permission of SEIKO EPSON CORPORATION.

All effort have been made to ensure the accuracy of the contents of this manual. However, should any errors be detected, SEIKO EPSON would

greatly appreciate being informed of them.

The contents of this manual are subject to change without notice.

All effort have been made to ensure the accuracy of the contents of this manual. However, should any errors be detected, SEIKO EPSON would

greatly appreciate being informed of them.

The above not withstanding SEIKO EPSON CORPORATION can assume no responsibility for any errors in this manual or the consequences

thereof.

EPSON is a registered trademark of SEIKO EPSON CORPORATION.

General Notice:

Other product names used herein are for identification purpose only and may be trademarks or registered trademarks of their

respective owners. EPSON disclaims any and all rights in those marks.

Imaging & Information Product Division

TPCS Quality Assurance Center

TPCS Department

PRECAUTIONS

Precautionary notations throughout the text are categorized relative to 1)Personal injury and 2) damage to equipment.

DANGER

Signals a precaution which, if ignored, could result in serious or fatal personal injury. Great caution should be exercised in performing

procedures preceded by DANGER Headings.

WARNING

Signals a precaution which, if ignored, could result in damage to equipment.

The precautionary measures itemized below should always be observed when performing repair/maintenance procedures.

DANGER

1. ALWAYS DISCONNECT THE PRODUCT FROM THE POWER SOURCE AND PERIPHERAL DEVICES PERFORMING ANY MAINTENANCE OR REPAIR

PROCEDURES.

2. NO WORK SHOULD BE PERFORMED ON THE UNIT BY PERSONS UNFAMILIAR WITH BASIC SAFETY MEASURES AS DICTATED FOR ALL ELECTRONICS

TECHNICIANS IN THEIR LINE OF WORK.

3. WHEN PERFORMING TESTING AS DICTATED WITHIN THIS MANUAL, DO NOT CONNECT THE UNIT TO A POWER SOURCE UNTIL INSTRUCTED TO DO SO.

WHEN THE POWER SUPPLY CABLE MUST BE CONNECTED, USE EXTREME CAUTION IN WORKING ON POWER SUPPLY AND OTHER ELECTRONIC

COMPONENTS.

4. WHEN DISASSEMBLING OR ASSEMBLING A PRODUCT, MAKE SURE TO WEAR GLOVES TO AVOID INJURIER FROM METAL PARTS WITH SHARP EDGES.

WARNING

1. REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTIFIED REPAIR TECHNICIAN.

2. MAKE CERTAIN THAT THE SOURCE VOLTAGES IS THE SAME AS THE RATED VOLTAGE, LISTED ON THE SERIAL NUMBER/RATING PLATE. IF THE EPSON

PRODUCT HAS A PRIMARY AC RATING DIFFERENT FROM AVAILABLE POWER SOURCE, DO NOT CONNECT IT TO THE POWER SOURCE.

3. ALWAYS VERIFY THAT THE EPSON PRODUCT HAS BEEN DISCONNECTED FROM THE POWER SOURCE BEFORE REMOVING OR REPLACING PRINTED

CIRCUIT BOARDS AND/OR INDIVIDUAL CHIPS.

4. IN ORDER TO PROTECT SENSITIVE MICROPROCESSORS AND CIRCUITRY, USE STATIC DISCHARGE EQUIPMENT, SUCH AS ANTI-STATIC WRIST STRAPS,

WHEN ACCESSING INTERNAL COMPONENTS.

5. DO NOT REPLACE IMPERFECTLY FUNCTIONING COMPONENTS WITH COMPONENTS WHICH ARE NOT MANUFACTURED BY EPSON. IF SECOND SOURCE IC

OR OTHER COMPONENTS WHICH HAVE NOT BEEN APPROVED ARE USED, THEY COULD CAUSE DAMAGE TO THE EPSON PRODUCT, OR COULD VOID THE

WARRANTY OFFERED BY EPSON.

About This Manual

This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of the printer. The instructions and

procedures included herein are intended for the experienced repair technicians, and attention should be given to the precautions on the preceding page.

Manual Configuration

Symbols Used in this Manual

This manual consists of six chapters and Appendix.

CHAPTER 1. PRODUCT DESCRIPTIONS

Provides a general overview and specifications of the

product.

CHAPTER 2. OPERATING PRINCIPLES

Describes the theory of electrical and mechanical

operations of the product.

CHAPTER 3. TROUBLESHOOTING

Describes the step-by-step procedures for the

troubleshooting.

CHAPTER 4. DISASSEMBLY / ASSEMBLY

Describes the step-by-step procedures for disassembling

and assembling the product.

CHAPTER 5. ADJUSTMENT

Provides Epson-approved methods for adjustment.

CHAPTER 6. MAINTENANCE

Provides preventive maintenance procedures and the

lists of Epson-approved lubricants and adhesives

required for servicing the product.

APPENDIX Provides the following additional information for

reference:

• Connector pin assignments

• Electric circuit boards components layout

• Electrical circuit boards schematics

• Exploded diagram & Parts List

Various symbols are used throughout this manual either to provide

additional information on a specific topic or to warn of possible danger

present during a procedure or an action. Be aware of all symbols when

they are used, and always read NOTE, CAUTION, or WARNING

messages.

Indicates an operating or maintenance procedure, practice

or condition that is necessary to keep the product’s quality.

Indicates an operating or maintenance procedure, practice,

or condition that, if not strictly observed, could result in

damage to, or destruction of, equipment.

May indicate an operating or maintenance procedure,

practice or condition that is necessary to accomplish a task

efficiently. It may also provide additional information that is

related to a specific subject, or comment on the results

achieved through a previous action.

Indicates an operating or maintenance procedure, practice

or condition that, if not strictly observed, could result in injury

or loss of life.

Indicates that a particular task must be carried out

according to a certain standard after disassembly and

before re-assembly, otherwise the quality of the

components in question may be adversely affected.

Revision Status

Revision

Issued Date

Description

July 31, 2001

First Release

Epson Stylus Color C70 - C80 Service Manual.pdf

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