Epson stylus photo 1200 schematic

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Color Inkjet Printer

EPSON Stylus Photo 1200

SEIJ98007

Notice

†

All rights reserved. No p art of t his manual may be reprod uced, stored i n a ret rieval syste m, or trans mit ted in any form or by any means electronic, 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.

PRECAUTIONS

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

DANGER

WARNING

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

Signals a precaution which, if ignored, could result in serious or fatal personal injury. Great cauti on should be exercised in performing procedures preceded by DANGER Headings.

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

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.

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. REPLACE MALFUNCTIONING COMPONENTS ONLY WITH THOSE COMPONENTS BY THE MANUFACTURE; INTRODUCTION OF SECOND-SOURCE ICs OR OTHER NONAPPROVED COMPONENTS MAY DAMAGE THE PRODUCT AND VOID ANY APPLICABLE EPSON WARRANTY.

About This Manual

This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of EPSON Stylus Photo

1200. 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.

Contents

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

Provides the step-by-step procedures for the troubleshooting.

CHAPTER 4. DISASSEMBLY AND ASSEMBLY

Describes the step-by-step procedures for disassembling and assembling the product.

CHAPTER 5. ADJUSTMENTS

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

• Exploded diagram

• Electrical circuit boards schematics

Symbols Used in This Manual

Various symbols are used throughout this manual either to provide additional information on a specif ic 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 WARNING, CAUTION or NOTE messages.

Indicates an operating or maintenance procedure, practice or condition that, if not strictly observed, coul d result in in jury or loss of life.

CAUTION

CHECK

PO INT

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.

Revision Status

Revision Issued Date Description

Rev. A January 11, 1999 First release

EPSON Stylus Photo 1200 Revision A

Table of Contents

Product Description

Overview................ ....... ...... ...... ....... ...... ....... ...... ....... ..................................... 8

General Characteristics............................................................................. 8

Basic Specification .............................................................................. ...... ..... 8

Interface........................................................................................................ 11

Operation Specification ...................................... ....... ................................... 11

Major Components ....................................................................................... 12

Consumables................................................................................................ 12

Operating Principles

Overview....................................................................................................... 14

Troubleshooting

Disassembly and Assembly

Adjustment

Overview....................................................................................................... 20

Adjustments............................................................................................. 20

Adjustment Program................. ....... ...... ....... ...... .......................................... 21

Activatioin of Program ............................................................................. 21

Maintenance

Appendix

Exploded Diagram........................................................................................ 26

Circuit Boards............................................................................................... 32

PRODUCT DESCRIPTION

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EPSON Stylus Photo 1200 Revision A

1.1 Overview

Stylus Photo 1200 is 127 digits color ink jet printer whose function and characteristics are based on Stylus Photo 750. Theref ore, since only revised points for Stylus Photo 1200 are explained in thi s manual, refer to the Service Manual of Stylus Photo 750 for the rest of infor m ation.

1.1.1 General Characteristics

† High Color Print Quality

„ 1440(H) x 720(V) dpi printing „ 6-Color printing(YMCKcm) „ Traditional and New Microweave

† Built-in auto sheet feeder

„ Holds 100 cut-sheets (64 g/m „ Holds 10 envelopes „ Holds 30 transparency films

† Built-in 3 I/F

„ Mac. serial I/F (up to approx. 1800kbps) „ Bi-directional parallel I/F(IEEE-1284 level 1 device) „ USB

)

1.2 Basic Specification

PAPER SPECIFICATION

† Paper Size

„ Cut Sheet

A3 (297mm x 420mm) B (279mm x 432mm) B4 (257mm x 364mm)

„ Envelope

220 x 132 (220mm x 132mm)

„ EPSON Special Media (Photo Quality Ink Jet Paper, 360 d pi Ink

Jet Paper, Photo Qualtiy Glossy Film, Photo Paper) A3+ (329mm x 483mm) B (279mm x 432mm) B4 (257mm x 364mm)

NOTE: Other paper specification is same as EPSON Stylus Photo

750.

CHARACTER TABLES

† 2 international character sets

PC 437 (US, Standard Europe) PC 850 (Multilingual)

† Win dows/Macintosh exclusive

TYPE FACE

† Bit map LQ font: EPSON Courier 10 CPI

Product Description Overview 8

EPSON Stylus Photo 1200 Revision A

PRINTABLE AREA

Printable area is as follows.

Figure 1-1. Printable Area

Table 1-1. Printable Area(mm)

Paper

Size

A3+ 329 483

A3 297 420

Paper Width

(PW)

Paper

Length

(PL)

Left

Margin

(LM)

More than 3More than 3More than

Right

Margin

(RM)

Top

Margin

(TM)

Bottom

Margin

(BM)

14 or more than 3

Product Description Basic Specification 9

EPSON Stylus Photo 1200 Revision A

INK

† Color Ink Cartridge

„ Type: Exclusive cartridge „ Color: Magenta, Cyan, Yellow, Light Ma, Light Cyan „ Print Capacity:330 pages/A4 (360 dpi, 5% duty each color) „ Ink life: 2 years from production date „ Storage Temperature

- 20

°C ∼ 40 °C (Storage, within a month at 40 °C) °C ∼ 40 °C (Packing storage, within a month at 40 °C)

- 30

°C ∼ 60 °C (Transit, within 120 hours at 60 °C and within a

- 30 month at 40

°C)

„ Dimension: 42.9mm (W) x 52.7mm (D) x 38.5mm (H)

NOTE: Ink cartridge can not re-fill, only ink cart ridge i s prepar ed fo r

article of consumption. Do not use the ink cartridge which was passed away the ink life.

Ink will be frozen under -

C environment, however it wi ll be usable after placing it more than 3 hours at room temperature.

PHYSICAL SPECIFICATION

† Dime nsion: 578mm(W) x 286mm(D) x 175mm(H) † Weight: 7 Kg

Figure 1-2. Exterior View of Stylus Photo 1200

NOTE:Specification of black ink cartridge is same as Stylus Photo

750.

Product Description Basic Specification 10

+ 22 hidden pages