Epson Stylus Color 800 User manual

EPSON TERM NAL PRINTER

S~hs.

800+

SERVICE MANUAL

EPSON

NOTICE

SEIKO EPSON’S express written permission is forbidden.

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

All efforts have been made toensure theaccuracyof thecontentsof this manual. However, should

any errors be detected, SEIKO EPSON would greatly appreciate being informed of them.

The above notwithstanding SEIKO EPSON can assume no responsibility for any errors in this

manual or the consequence thereof.

Epson and Epson ESC/P are registered trademark of Seiko Epson Corporation.

General Notice: Other product names used herein are for identication purposes only and maybe

trademarks of their respective campanies.

-i-

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.

ALWAYS DISCONNECT THE PRODUCT FROM BOTH THE POWER SOURCE AND

PERIPHERAL DEVICES PERFORMING ANY MAINTENANCE OR REPAIR PROCE-

DURE.

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.

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.

REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON

CERTIFIED REPAIR TECHNICIAN.

MAKE CERTAIN THAT THE SOURCE VOLTAGE IS THE SAME AS THE RATED VOLT-

AGE, 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.

ALWAYS VERIFY THAT THE EPSON PRODUCT HAS BEEN DISCONNECTED FROM

THE POWER SOURCE BEFORE REMOVING OR REPLACING PRINTED CIRCUIT

BOARDS AND/OR INDIVIDUAL CHIPS.

IN ORDER TO PROTECT SENSITIVE MICROPROCESSORS AND CIRCUITRY, USE

STATIC DISCHARGE EQUIPMENT, SUCH AS ANTI-STATIC WRIST STRAPS, WHEN

ACCESSING INTERNAL COMPONENTS.

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.

- ii -

PREFACE

This manual describes functions, theory of electrical and mechanical operations, maintenance, and repair

Stylus

800+.

The instructions and procedures included herein are intended for the experience repair technician, and

attention should be given to the precautions on the preceding page. The chapters are organized as

follows:

CHAPTER 1. GENERAL DESCRIPTION

Provides a general product overview, lists specifications, and illustrates the

main components of the printer.

CHAPTER 2. OPERATING PRINCIPLES

Describes the theory of printer operation.

CHAPTER 3. DISASSEMBLY AND ASSEMBLY

Includes a step-by-step guide for product disassembly and assembly.

CHAPTER 4. ADJUSTMENT

Includes a step-by-step guide for adjustment.

CHAPTER 5. TROUBLESHOOTING

Provides Epson-approved techniques for adjustment.

CHAPTER 6. MAINTENANCE

Describes preventive maintenance techniques and lists lubricants and adhesives

required to service the equipment.

APPENDIX

“Describes connector pin assignments, circuit diagrams, circuit board component layout and exploded diagram.

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

iv -

REVISION SHEET

Revision

issue

Dste

Revisbn

Page

Rev.

April 20, 1994

Ist issue

‘+,-

-’

“v-

TABLE OF CONTENTS

CHAPTER 1. GENERAL DESCRIPTION

CHAPTER 2. OPERATING PRINCIPLES

CHAPTER 3. DISASSEMBLY AND ASSEMBLY

CHAPTER 4. ADJUSTMENT

CHAPTER 5. TROUBLESHOOTING

CHAPTER 6. MAINTENANCE

APPENDIX

vi -

Chapter 1 General Description

Table of Contents

1.1 FEATURES

1-1

1.2 SPECIFICATIONS

1-3

1.2.1

Printing Specifications. . . . . . . . . . . . . . . . . . .

.’.

. . . . . . . . . . .

“

-----

1-3

1.2.2

Paper Handling Specification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-5

1.2.3

Paper Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

“

1-6

1.2.4 Ink Cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

“

.. ....0..

“

0..

1-8

1.2.5 Environmental Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

““....

1-9

1.2.6 Electrical Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

.“.””..

1-9

1.2.7 Reliability. . . . . . . . . . . . . . . . . . . . . . . . . . . .

“

. . .

“

.0. .

“

1-10

1.2.8 SafetyApprovals. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

.O-”.””-”.=

1-10

1.2.9 Physical Specifications . . . . . . . . . . . . . . . .. .. .. .. ... ... .”.

-”s”-

1-10

1.3 INTERFACE SPECIFICATIONS

1-11

1.4 PRINTER OPERATIONS

1-13

1.4.1 Control Panel.... . . . . . . . . . . . . . . . .. ... ...

..”.-OS

--.oo.mS”m”

1-13

1.4.2 Panel Operation atPowerOn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-14

1.4.3 Default Setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

-”

.. 0.-.

“

1-14

1.4.4

Initial InkCharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-15

1.4.5 ErrorConditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..”...-””

1-15

1.5 MAIN COMPONENTS

1-16

1.5.1

Main Control Board

(C134

MAIN Board). . . . . . . . . . . . . . . . . . . . . . . .

1-16

1.5.2 Power Supply Unit

(C106

PSB-B/PSE-B

Board). . . . . . . . . . . . . . . . . .

1-17’

1.5.3

Printer Mechanism (M-4811). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-17

List of Figures

Figure 1-1. View of the Stylus 800+. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-1

Figure l-2. Nozzle Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . .

1-3

Figure 1-3. Printable Area - Cut Sheet (Built-in Sheet Feeder). . . . . . . . . . . . .

1-7

Figure 1-4. Printable Area - Cut Sheet /Envelope (Manual Insertion Slot) . . . . 1-7

Figure 1-5. Adjust Lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

“

.-. .

“

. .

1-8

Figure 1-6. Temperature

Humidity Range. . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-9

Figure 1-7. Data Transmission Timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-1

Figure 1-8. Control Panel. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-13

Figure 1-9.

C134

MAIN Board Component Layout . . . . . . . . . . . . . . . . . . . . .

1-16

Figure 1-10.

C106

PSB-B/PSE-B

Board Component Layout . . . . . . . . . . . . .

1-17

Figure 1-11. Printer Mechanism (M-4811). . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-17

Rev.

l-i

Table 1-1. Consumable forthe Stylus

800+.

. . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Table l-2. Feature Comparison . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Table l-3. Print SpeedandPrintable Columns . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Table 1-4. Character Tables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

Table 1-5. Adjust Lever Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8

Table l-6. Requirements for Operation andStorage . . . . . . . . . . . . . . . . . . . . . 1-9

Table l-7. Electrical Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9

Table l-8. Signal andConnector PinAssignments . . . . . . . . . . . . . . . . . . . . . 1-11

Table l-9. Default Setting Item. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14

Table 1-10. Error Codes. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15

;:.

‘

l-ii

Rev.

Stylus

tUW+

service Manual

General Description

1.1 FEATURES

The Stylus 800+ is a serial inkjet printer that uses a newly developed inkjet technology to produce

superb quality output with high-speed printing. The major features of this printer are:

High print quality from a MACH (Multi-Layer ACtuator Head) inkjet technology.

Fast printing of LQcharacters at 165

cps

and draft characters at 250

cps.

Compact design saves precious work space.

Built-in auto sheet feeder with a capacity for a

maximum of 100 cut sheets (either A4 or letter).

Equipped with4 scalable fonts, 5 bitmap LQ fonts, and

draft font, standard.

9 character tables for the standard version

15 character tables for the NLSP (National Langauage Support) version.

The figure below shows a view of the printer.

Printer cover

parallel

Paper separator Paper feeder cover

int

let

Figure 1-1. View of the Stylus 800+

Table 1-1. Consumable for the Stylus 800+

control panel

Part No.

Description

Type

S020025

Ink cartridge

Black ink cartridge

Rev.A

1-1

Gomrd

oescf@knl

wh18ao&

Su’v&ohhud

Table

1-2

shows the differences

in features for the Stylus 800 and Stylus

W+.

Table 1-2. Feature Comparison

Function/SpecWation stylus

Soo

stylus

SO&

LQ Fonts (10

cpi)

Printing

Spaed

150CPS

165

Cps

Draft Fonts (10

cpi)

Printing Speed

cannot printing

250

Cpe

Roman ‘

Draft

sane serif

Roman

Resident

Bitrnsp

Fonts

Courier

Ssns

Serif

Prest”*

Courier

script Prestige

script

Roman T

Rasident

Scalable Fonts

Roman T

Saris serif

Saris Serif H sane

Serif H

..,,’,

<,,.

c’

..1

1-2

Rev.

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