Epson Stylus pro 7700m User manual

EPSON COLOR INKJET PRINTER

Stylus Pro

SERVICE MANUAL

EPSON 4004825

NOTICE

EPSON’s express written permission is forbidden.

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

All efforts 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 notwithstanding SEIKO EPSON can assume no responsibility for any errors in this manual or

the consequence thereof.

Epson is a registered trademark of Seiko Epson Corporation.

General Notice: Other product names used herein are for identication purposes only and may be 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/ mainte-

nance procedures.

DANGER

1. ALWAYS DISCONNECT THE PRODUCT FROM BOTH THE POWER SOURCE AND PERI-

PHERAL DEVICES PERFORMING ANY MAINTENANCE OR REPAIR PROCEDURE.

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 CON-

NECT 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 CERTI-

FIED REPAIR TECHNICIAN.

2. MAKE CERTAIN THAT THE SOURCE VOLTAGE 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 CON-

NECT 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 NONAP-

PROVED 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 of

STYLUS-PRO.

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. ADJUSTMENTS

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 Date Revision Page

Rev. A May 30, 1995 - 1st issue

Rev. B June 5, 1995 1 - 2, 4-7

&4-10 Change Fig.1-2 and WARNINGs

-v-

TABLE OF CONTENTS

CHAPTER 1. GENERAL DESCRIPTION

CHAPTER 2. OPERATING PRINCIPLES

CHAPTER 3. DISASSEMBLY AND ASSEMBLY

CHAPTER 4. ADJUSTMENTS

CHAPTER 5. TROUBLESHOOTING

CHAPTER 6. MAINTENANCE

APPENDIX

-vi-

Chapter 1 Product Description

Table of Contents

1.1 FEATURES 1-1

1.2 SPECIFICATIONS 1-2

1.2.1 Printing Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

1.2.2 Paper Handling Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

1.2.3 Paper Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

1.2.4 Ink Cartridge Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

1.2.5 Electrical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7

1.2.6 Environmental Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7

1.2.7 Reliability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8

1.2.8 Safety Approvals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8

1.2.9 Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-8

1.3 INTERFACE SPECIFICATIONS 1-9

1.3.1 Parallel Interface Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9

1.3.2 Serial Interface Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11

1.4 OPERATIONS 1-12

1.4.1 Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12

1.4.2 Panel Operation at Power On . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-13

1.4.3 Default Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14

1.4.3.1 Default Setting Items. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14

1.4.3.2 Changing the Default Settings . . . . . . . . . . . . . . . . . . . . . . . . . 1-15

1.4.4 Error Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17

1.4.5 Printer Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17

1.4.5.1 Hardware Initialization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17

1.4.5.2 Software Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17

1.4.5.3 Panel Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17

1.5 MAIN COMPONENTS 1-18

1.5.1 Main Control Board (C164 MAIN Board) . . . . . . . . . . . . . . . . . . . . . . . 1-18

1.5.2 Power Supply Board (C137 PSB/PSE Board) . . . . . . . . . . . . . . . . . . . 1-19

1.5.3 Control Panel (C137 PNL Board) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-19

1.5.4 Printer Mechanism (M-4A11). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-20

1.5.5 Housing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-20

List of Figures

Figure 1-1. Exterior View of the Stylus Color Pro. . . . . . . . . . . . . . . . . . . . . 1-1

Figure 1-2. Nozzle Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Figure 1-3. Printable Area for Cut Sheets . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

Figure 1-4. Printable Area for Envelopes. . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5

Figure 1-5. Adjustment Lever Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7

Figure 1-6. Temperature/Humidity Range . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7

Figure 1-7. Data Transmission Timing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9

Figure 1-8. Control Panel Appearance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12

Figure 1-9. C164 MAIN Board Component Layout . . . . . . . . . . . . . . . . . . . 1-18

Figure 1-10. C137 PSB/PSE Component Layout. . . . . . . . . . . . . . . . . . . . . 1-19

Figure 1-11. C137 PNL Board Component Layout . . . . . . . . . . . . . . . . . . . 1-19

List of Tables

Table 1-1. Print Speed and Printable Columns . . . . . . . . . . . . . . . . . . . . . . . 1-2

Table 1-2. Character Tables. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Table 1-3. Cut Sheet Paper Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

Table 1-4. Envelope Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4

Table 1-5. Adjust Lever Setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6

Table 1-6. Rated Electrical Ranges. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7

Table 1-7. Acceptable Environmental Conditions. . . . . . . . . . . . . . . . . . . . . 1-7

Table 1-8. Signal and Connector Pin Assignments for Parallel Interface 1-10

Table 1-9. DTR and X-ON/X-OFF Protocol . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11

Table 1-10. Signal and Connector Pin Assignments for Serial Interface . 1-11

Table 1-11. Default Setting Items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14

Table 1-12. Characteristics of Print Direction Mode. . . . . . . . . . . . . . . . . . 1-14

Table 1-13. Printing Direction and ESC U Command . . . . . . . . . . . . . . . . . 1-14

Table 1-14. Language Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15

Table 1-15. Feature Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15

Table 1-16. Character Table Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16

Table 1-17. Error Indications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17

Table 1-18. The Comparison between C164 MAIN and C162 MAIN . . . . . . 1-18

1.1 FEATURE

The Stylus Pro is a high-performance color ink jet printer with a small footprint and low cost. The main

components of this printer are similar to the Stylus Color. The main features are:

r High quality color print Super dot 720 dpi printing

Plain paper 720 dpi printing

Special coated paper for 720 dpi printing

r High print speed LQ printing at 200 cps

r Built-in auto sheet feeder Holds 100 cut sheets (55 g/m2)

Holds 10 envelopes

Holds 50 transparency film sheets

Holds 70 sheets of special paper

r Three built-in I/F types Macintosh Serial interface

Parallel interface (I-EEE 1284-compatible)

Type-B interface (optional)

Note : Type-B interfaces are available, except C82324*(ETHERNET I/F CARD for NETWARE).

* The asterisk represents the last digit, which varies by country.

r Easy to set up No DIP switches

Multilingual setting messages (5 languages)

r 4 scalable fonts,

5 LQ fonts Roman T, Sans Serif H, Roman, Sans Serif (scalable), Roman, Sans Serif,

Courier, Prestige, Script (LQ)

r Character Tables Italic, PC437, PC850, PC860, PC863, PC865, PC437 Greek, PC852,

PC853, PC855, PC857, PC866, PC869, PC861, BRASCII, Abicomp,

MAZOWIA, Code MJK, ISO 8859-7, ISO Latin 1T, Bulgaria

The figure below shows the Stylus Pro.

Figure 1-1. Exterior View of Stylus Pro

Stylus Pro Service Manual Product Description

Rev.B 1-1

1.2 SPECIFICATIONS

This section provides statistical facts and other detailed information for the printer.

1.2.1 Printing Specifications

Print system: On demand ink jet system

Nozzle configuration: 64 nozzles (16 ×4 staggered): monochrome

48 nozzles (16 ×3 staggered): color

Printing direction: Bidirectional with logic-seeking

The table below shows print speed and printable columns.

Table 1-1. Print Speed and Printable Columns

Character Pitch Printable Columns Print Speed (LQ)

10 cpi (pica) 80 200 cps

12 cpi (elite) 96 240 cps

15 cpi 120 300 cps

17 cpi (pica condensed) 137 340 cps

20 cpi (elite condensed) 160 400 cps

Row CRow D

#62

#63

1/360"

MagentaCyanYellow

#16

1/90"

#16

Row A

Row B

#4 #5

#61

#64

1/90"

Figure 1-2. Nozzle Configuration

Product Description Stylus Pro Service Manual

1-2 Rev.B

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