Text preview for : Epson Stylus Color Service Manual.pdf part of epson Epson Stylus Color Service Manual epson printer Epson Stylus Color Service Manual.pdf
Back to : Epson Stylus Color Servic | Home
EPSON TERMINAL PRINTER
n
As tyhs TN COLOR
SERVICE MANUAL
-.
EPSON
4003353
.
c'-
-.
NOTICE
All rights reserved. Reproduction of any part of this manual in any form whatsoever without
SEIKO EPSON's express written permission is forbidden.
The contents of this manual are subjects to change without notice.
All efforts have been made toensurethe 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 and Epson EsC/l? are 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.
@Copyright 7994 by SEIKO EPSON CORPORATION Nagano, Japan
..
C 3
"1
-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.
DANGER
1. ALWAYS DISCONNECT THE PRODUCT FROM BOTH THE POWER SOURCE AND
PERIPHERAL DEVICES PERFORMING ANY MAINTENANCE OR REPAIR PROCE-
DURE.
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 UNITTOA 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 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.
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.
- ii -
PREFACE
This manual describes functions, theory of electrical and mechanical operations, maintenance, and repair
of Stylus Color.
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. PRODUCT 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 adjustmen~
CHAPTER 6. MAINTENANCE
Describes preventive maintenance techniques and lists lubricants and adhesives required to seMce 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 Page /Contents
Rev.-A April 27, 1994 1 st issue
Rev.-B October 4, 1994 3-1 Change the WARNING contents
Rev.-C November 30, 1994 3-3 Change the explanation for the
upper case removal
Rev.-D January 11, 1995 4-7 to 4-17 Incorporate the simple adjust
method.
-v-
TABLE OF CONTENTS
CHAPTER 1. PRODUCT 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 Serial Interface Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-9
1.3.2 Parallel Interface Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
1.4 OPERATIONS 1-12
1.4.1 Control Panel... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12
1.4.2 Panel Operation atPowerOn . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 ErrorConditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17
1.4.5 Printer Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17
1.4.5.1 Hardware lnitiaiization. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 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 (C137 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-4AIO). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-20
1.5.5 Housing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-20
Rev.A l-i
List of Figures
Figure 1-1. Exterior View of the Stylus Color. . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Figure 1-2. Nozzle Configuration. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Figure 1-3. Printable Area for Cut Sheet. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Figure 1-4. Printable Area for Envelope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-5
Figure 1-5. Adjust Lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Figure 1-6. Temperature/Humidity Range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Figure 1-7. Data Transmission Timing . . . . **9* **89 am8*, *s8, *a8ame 1,, 1-9
q
Figure 1-8. Control Panel Appearance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-12
Figure 1-9. C137 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
Figure 1-12. Printer Mechanism (M-4A1O) . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-20
Figure 1-13. Housing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-20
List of Tables
Table 1-1. Interface Cards. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1
Table 1-2. Print Speed and Printable Columns. . . . . . . . . . . . . . . . . . . . . . . . . 1-2
Table 1-3. Character Tables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3
Table 1-4. Cut Sheet Paper Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Table 1-5. Envelope Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-4
Table 1-6. Adjust Lever Setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-6
Table 1-7. Rated Electrical Ranges. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-7
Table 1-8. Acceptable Environmental Conditions. . . . . . . . . . . . . . . . . . . . . . . 1-7
Table 1-9. Signal and Connector Pin Assignments for Parallel Interface . . . . 1-10
Table 1-10. DTR and X-ON/X-OFF Protocol. . . . . . . . . . . . . . . . . . . . . . . . . . 1-11
Table 1-11. Signal and Connector Pin Assignments for Serial Interface. . . . . 1-11
Table 1-12. Default Setting Items . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-14
Table 1-13. Characteristics of Print Direction Mode . . . . . . . . . . . . . . . . . . . . 1-14
Table 1-14. Printing Direction and ESC U Command. . . . . . . . . . . . . . . . . . . 1-14
Table 1-15. Language Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15
Table 1-16. Feature Selection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-15
Table 1-17. Character Table Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16
Table 1-18. Error Indications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-17 c,-.
l-ii Rev. A
Stylus Color Service Manual Product Description
1.1 FEATURES
The Stylus Color is a 64- + 48-nozzle (monochrome and CMY) color ink jet dot matrix printer that
uses new ink jet technology to achieve high-quality, high-speed printing. The major features of this
printer are:
Q Highquality color printing as a result of new inkjet technology.
Cl Fast print speeds, capable of printing LQ characters at 200 cps.
\
D Compact design to save precious work space.
c1 Built-in auto sheet feeder with a maximum capacity of 100 cut sheets, 50 transparencies,
70 heavy or special papers, or 10 envelopes.
tl 8-bit parallel interface and Macintosh@ serial interface standard.
c1 Easy setup.
L1 Four scalable fonts and five LQ fonts standard.
c1 Support for 9 character tables in the standard version and 15 character tables in the NLSP
(Na~ional Language Support Printer) version.
L1 Inexpensive to run and maintain.
The figure below shows the Stylus Color.
paper
feeder, /h ~
cover
paper
separators
knob
\" paper
supporl
parollel
interface
k \(A~i.,et)
Figure 1-1. Exterior View of the Stylus Color
Table 1-1. Interface Cards
I Interface Card I Model Number
I serial interface card I C823051/C823061
I 32KB serial interface card I C823071/C823081
I 32KB parallel interface card I C82310*
I 32KB IEEE-488 interface card \ C82313*
I LocalTalk@ interface card I C82312*
ITwinax interface card I C82315*
I Coax interface card I C82314*
* The asterisk is a substitute for the Iastdigit, which varies bycountty.
Rev. A 1-1
Product Description stylus color sdwvk Msnual
1.2 SPECIFICATIONS
This section provides statistical facts and other detailed intonation for the printer.
1.2.1 Printing Specifications
Print system: On demand inkjet system
Nozzle configuration: 64 nozzles ($ x 4 staggered): Monochrome
4$ nozzles (16x 3 staggered): Color
Yellow Cyan Magenta Row D : Row C 8 ~ f?ow A
Row
+ g - 721360" -.4s
. 0.
..() #l . . .$. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . --6 *I `- """
'"0 ~'
,,36(J* -- .-.. --;.. ----------------& 2-------------- .................. +...... ------------- t
t :il 3
1/90" tQ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . : 1/90'
i---------. ---"" ----i--" ----.. --"-. ----" ----------------6 -;4--------------; I
i #2 #2
. . . . .4. . .
.
:--.------;-------------- __-+___..~#5 ..*_.
Q"-"--"-"""- -""o"#-2-"""---e---e -6;6 -------
J87----::---""---------------"----------------.--.--!#8--------.-.----i
. . . .. . . . . .. ... ... . .. . .... . .... . ... . ...
--":--- --- -:
Q-.-......-:
#3
"0:3 "" "o
64/360" : ----- . -.....0861
""""'viii"""-"""-
"-"'"--"'-" "--"";-"""""-"
`- -"0---='------"" - -------+ --------"
`#63"
*#16 v #16 V #16 o - `" ' --------- `- - --0864-- - --
0 o 0
Figure 1-2. Nozzle Configuration
Printingdirection: Bidirectionalwithlogic-seeking
Printspeed: SeeTable l-2.
Printable columns: SeeTable l-2.
TabIe l-2. Print Speed and Printable Columns
CharacterPitch I PrintableColumns I Print Speed(LQ)
I IOcpi (Pica)
I
60
I
2oocps
I 12cpi (Elite)
15cpi
1
96
120
1
240cps
3oocps
L 17cpi (Picacondensed) 137 340cps
I 20cpi(Eiitecondensed) 160 4oocps
1-2 Rev.A
Sty/us Co/or Service Manual Product Description
Character sets: Legal and 14 international character sets.
Character tables: See Table 1-3.
Table 1-3. Character Tables
Standard NLSP* Version
Character Tables Version
Italic o 0
PC437 (U.S./Standard Europe) 0 o
PC850 (Multilingual) o 0
PC860 (Portuguese) o x
PC861 (Iceland) o x
PC863 (Canadian-French) o x
PC865 (Nordic) o x
PC437 (Greek) x O (Note)
PC852 (East Europe) x O (Note)
PC853 (Turkish) x O (Note)
PC855 (Cyrillic) x O (Note)
PC857 (Turkish) x O (Note)
PC866 (Russian) x O (Note)
I I
PC869 (Greek) x O (Note)
1 1
MAZOWIA (Poland) x O (Note)
Code MJK (Czechoslovakia) x O (Note)
I I
ISO 8859-7 (Greek) x O (Note)
I I
ISO Latin IT (Turkish) x O (Note)
I
Bulgaria (Bulgaria) x O (Note)
Abicomp o x
BRASCII o x
o supported X Not SUpported * National Language Support Printer
Note: These fonts are not supported for EPSON Roman Tand EPSON Saris Serif H of scalable
Fonts: Bitmap LQ fonts
- EPSON Roman (10 cpi/12 cpi/15 cpi/Proportional)
- EPSON Saris Serif (10/12/15/Proportional)
- EPSON Courier (10/12/15)
- EPSON Prestige (10/12/15)
- EPSON Script (10/12/15)
Scalable fonts
- EPSON Roman 10.5 points, 8 -32 points (in units of 2 points)
- EPSON Saris Serif 10.5 points, 8 -32 points (in units of 2 points)
- EPSON Roman T 10.5 points, 8-32 points (in units of 2 points)
- EPSON Saris Serif H 10.5 points, 8-32 points (in units of 2 points)
Control code: ESC/P 2 and expanded raster graphics code
Input data buffer: 64K bytes
Rev. A 1-3
Ptvduct &SCf@th !wJdus color Sefvkw Mmu8/
1.2.2 Paper Handling Specifications
Feeding method: Friction feed paper is fed from the built-in auto sheet feeder (ASF).
Notes: The following operations are not allowed.
1. Reverse feeding within 3 mm (O. 12in.) from the top edge of the paper or 16mm
(0.63 in.) from the bottom edge of the paper.
2. Reverse feeding beyond 7.9mm (0.3in.).
Line spacing: 1/6 inch feed, 1/8 inch feed, or programmable with a 1/360 inch minimum
increment.
Paper path: Cut sheet: Built-in auto sheet feeder (ASF) (front entry)
Feeding speed: 89 msec. (at l/6-inch feed pitch)
1.2.3 Paper Specifications
Table 1-4. Cut Sheet Paper Specifications
A4: 210 mm (8.3 in.) x 297 mm (1 1.7 in.)
Letter: 216 mm (8.5 in.) x 279 mm (1 1.0 in.)
Size (W x L)
B5: 182 mm (7.2 in.) x 257 mm (10.1 in.)
I Legal: 216 mm (8.5 in.) x 356 mm (14.0 in.)
Thickness I 0.08 mm (0.003 in.) -0.11 mm (0.004 in.)
Weight 55 g/m2 (17 lb) -90 g/m2 (24 lb)
Qualitv Bond paper. PPC
Table 1-5. Envelope Specifications
I
I No. 6: 166 mm(6