Epson Stylus 800+ Service manual

EPSON TERM NAL PRINTER

S~hs.

800+

SERVICE MANUAL

EPSON

NOTICE

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

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 caution should be exercised in performing procedures preceded by DANGER Headings.

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

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

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

1. CERTIFIED REPAIR TECHNICIAN.

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

2. 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

3. 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

5. BY THE MANUFACTURE; INTRODUCTION OF SECOND-SOURCE

NONAPPROVED COMPONENTS MAY DAMAGE THE PRODUCT AND VOID ANY APPLICABLE EPSON WARRANTY.

ICS

OR OTHER

- ii -

PREFACE

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

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

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.

main components of the printer.

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

Rev.

REVISION SHEET

issue

Dste

April 20, 1994

Revisbn

Page

Ist issue

“v-

4. .

‘+,-

-’

CHAPTER 1. GENERAL DESCRIPTION CHAPTER 2. OPERATING PRINCIPLES CHAPTER 3. CHAPTER 4. CHAPTER 5. CHAPTER 6. APPENDIX

DISASSEMBLY AND ASSEMBLY ADJUSTMENT TROUBLESHOOTING MAINTENANCE

vi -

Chapter 1 General Description

Table of Contents

1.1 FEATURES

1.2 SPECIFICATIONS

1.2.1

1.2.2

1.2.3

1.2.4 Ink Cartridge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . “ .. ....0.. s “ 0..

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

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

1.2.7 Reliability. . . . . . . . . . . . . . . . . . . . . . . . . . . . “ . . . s Q “ “ .0. . s .- “ - “ “ “ 1-10

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

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

1.3 INTERFACE SPECIFICATIONS

1.4 PRINTER OPERATIONS

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

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

1.4.3 Default Setting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -” .. 0.-. “

1.4.4

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

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

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

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

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

.’.

. . . . . . . . . . . “ s -----

. ““.... 1-9

.“.””.. 1-9

.O-”.””-”.= 1-10

-”s”- 1-10

..”.-OS --.oo.mS”m” 1-13

1-1 1-3

1-3

1-5

“

1-6

1-8

1-11 1-13

1-14

. 1-15

1-15

1.5 MAIN COMPONENTS

1.5.1

1.5.2 Power Supply Unit

1.5.3

Main Control Board

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

(C134

(C106 PSB-B/PSE-B

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

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

1-16

1-17’

1-17

List of Figures

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

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

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

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

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

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

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

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

Figure 1-9. Figure 1-10.

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

C134

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

C106 PSB-B/PSE-B

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

. . . . . .

1-1

1-13

1-16

1-17

1-1

1-3

1-7

1-8

1-9

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

Compact design saves precious work space.

Built-in auto sheet feeder with a capacity for a

Equipped with4 scalable fonts, 5 bitmap LQ fonts, and

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.

cps

and draft characters at 250

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

draft font, standard.

Printer cover

cps.

parallel

control panel

Paper separator Paper feeder cover

int

let

Figure 1-1. View of the Stylus 800+

Rev.A

Table 1-1. Consumable for the Stylus 800+

Part No.

S020025

Description

Ink cartridge

Black ink cartridge

Type

I I

1-1

Gomrd

oescf@knl

wh18ao&

Su’v&ohhud

Table

1-2

shows the differences

Function/SpecWation

LQ Fonts (10

Printing

Draft Fonts (10 Printing Speed

Resident

Rasident

cpi)

Spaed

Bitrnsp

Scalable Fonts

in features for the Stylus 800 and Stylus

Table 1-2. Feature Comparison

cpi)

Fonts

stylus

150CPS

cannot printing Roman ‘

sane serif Courier

Prest”*

script

Roman T

Saris Serif H

Soo

165

250 Draft

Roman

Ssns

Courier Prestige script

Roman T Saris serif

sane

W+.

stylus

Cps

Cpe

Serif

Serif H

SO&

..,,’,

<,,.

1-2

Rev.

..1

c’

Stylus

800+

service Manual

1.2 SPECIFICATIONS

This section provides detailed statistics for this printer.

1.2.1 Printing Specifications

GenwW

Description

Print system: Ondernand Nozzle configuration:

17/360

‘o

#2y

I #3

48 nozzles (12 nozzles

60/360

i i

‘d

i i ii ii ii

#45 ‘

#’$6Y#47~

Figure 1-2. Nozzle Configuration

inkjet system

4 staggered columns)

12/3

‘O=a

i’ i #4 i

i’

i’ i i i I

i,48d)

Paper feed

direction

Print direction: Print speed and printable columns:

Character Pitch

cpi

cpi 15 cpi

cpi

(10

cpi/

condensed) 20

cpi

(12

cpi/

condensed)

Tabie

1-3. Print Speed and

Printable Columns Print Speed (LQ)

80 96

120 137

160

Bidirectional printing with logical seeking control See table below.

Printabie Coiumns

Print Speed (Draft)

165

CPS

198

246

283

Cpe

330cps

250 300

375 429

500

Cps

Cps Cps

Cps

Rev.

Character sets: Character tables:

Legal and See the table below.

international character sets.

Chamcter Table

Italic

PC437

{lJ.S./Standard

PC850

(Multilingual)

PC880

(Portuguese)

PC883

(Canadian-French)

PC885

(Nordic)

PC881

(Iceland)

PC437

Greek

PC851

(Greek)

PC852 (East Eurme) PC853

(Turkish)

PC855 (Cyrillic) PC857

(Turkish)

Table 1-4. Character Tables

standard

Veraion

Eumtw)

1010

o o o x

Ixlo

NLSP

Vewaion

x x

o o

Fonts:

PC888

(Russian)

PC889 (Greek)

Abicornp

BRASCII MAZOWIA

Code

ISO

8859-7

ISO

Latin IT (Turkish)

Bulgaria

(Poland)

MJK

(Czecho/Sbvakia)

(Greek)

(Bulgaria)

o supported

Bitmap fonts —

- EPSON Roman

- EPSON

- EPSON Prestige

- EPSON Script

Scdiablefmts

- EPSON %s Serif

- EPSON Roman T

- EPSON Saris

x Not supported

ii50N

EPSON

Draft

%llS %if

Courier

—

EPSON Roman

SerifH

Iolx

x x

Ixlo

(lOcpi/12

(10/12/15/proportional) (10/12/15/proportional) (10/12/15) (10/12/15) (10/12/15)

8-32 points (units= 2 points) 8-32 points (units= 2 points) 8-32 8-32 points (units= 2 points)

cpi/15cpi)

points

(units= 2 points)

o o

o o o

Rev.

Stylus

S00+

Print mode:

Servke

A4snusl

For

bitrnapfonts

—

General Description

Selection and mixture of the following modes are allowed.

- Print quality (LQ)

- Character pitch (10/12/15

- Condensed (not available with

- Double width

- Emphasized

- Italic

- Double underline

- Strike through

cpi

or proportional)

cpi

character pitch)

- Double height

- Double strike

- Underline

OverScore

- Shadow / outline

For scalable fonts —

Emphasized

- Italic

- Double underline

Strike through

- Double strike

- Underline

OverScore

- Shadow / outline

Control codes: Input buffer

Esc/P2

32KB or 8KB (selected using the default setting labeled “Mixed text/ graphics mode”)

1.2.2 Paper Handling Specification

Feeding system:

Feeding pitch: Paper path:

Feeding speed:

Friction feed from the built-in sheet feeder or manual insertion slot.

Note: The

following operations are

1. Reverse feeding or 16 mm (0.63 inches) from the

2. Reverse feeding beyond 7.9mm

1,6

or l&in& feed or

Prow

Built-in sheet feeder (front entry) Manual insertion slot (top-rear entry)

87 rns (at

1/6-inch feed

pitch)

w“thin

3mm (O.

ammable

nota//owed.

12inches) ftvm

Mtom

(0.3inches).

1A60-inch

the top edge

edge of the paper.

minimum increments.

Rev. A

1-5

General

Deecriptbn

1.2.3 Paper Specifications

Usable paper:

Slykls m

~Mmud

cut sheet

Envelope

With the built-in

size:

skt

feeder —

For European/Paafic version:

A4(WXL :210 mm(83”)x

297mm(11.T’))

For U.S. version: Letter (W x L: 216 mm (85”) x279 mm (11.0”))

‘IhiClmess:

weight

Quality:

0.06564Bond paper,

o.14mrn(o.oo26

90g/m2 (18 -

Ph&Ompier

- 0.0055”)

241b.

/ 55- 78

paper

With manual insertion — Width:

Length: Thickness:

weight

182-216 mm (7.2 - 8.5”) 257- 297mm(lo.1 - 11.7”)

O.(M5-

0.11

52-

90g/m2

rnm(O.0026-

(14 -

0.0043”)

241b

/ 45-

78kg)

Quality: Bond paper, Photocopier paper

L :

166

Size:

#lI)(wx

Thickness:

0.16-052

Note: Variatbnsrnpaperthkkness

mm (6%”) X %? mm

:240

mm(9k”) X

mm(O.0063

- 0.020”)

W”thi.

104mm(41Z$”))

theprintaMearea mustbe

0.25mm (0.CMW~ orless.

weight: Quality:

45- 90g/m2 (12Bond paper, Air mail

241b.)

kg)

(354”))

Notes

1. Envekpesare usable only Mthmanualinsertion feed.

Ptintingon envelcpeskguamnte edonlyatmxmal

and humidity.

3. lnsertenve@esinto

themanualinsertion slotsidewaya.

temperature

Rev.

Stylus &MO+ Service Manual

General Description

Printable area:

Cut sheet (with built-in sheet feeder)

B (Left margin) ,

Figure 1-3. Printable Area — Cut Sheet

—

t--

(Right margin) ,

Printable area

(Built-in Sheet Feeder)

—

-4

(Top margin)

D (Bottom margin)

-1

Notes:

Cut Sheet / envelopes (with the manual insertion slot)

B (Left margin)

Printable area

~Right

margin)

Figure 1-4. Printable Area — Cut Sheet/

(Manual Insertion Slot)

A: The minimum top margin= 3 mm (O. 12”) B: The minimum Ieflmargin = 3 mm

C: The minimum right margin is

A4 size= 3.0 mm (O. Letter size = Manual insertion =3 mm (O. Manual insertion = ‘Paper

D: The minimum bottom

9.0

12”)

(0.38~

matgin

(0.12”)

127

(Paper widths A4 (210 mm))

w“dth”

207 mm

= 13 mm (0.51”)

—

(Top margin)

D (Bottom margin)

EnveIoW

(8.3”)

(Paper width 2 A4 (210 mm))

Rev.

1-7

-nerd

Description

stylus

8m+

Mstnd

Adjust lever settings:

Lever Position

Plain paper, bond paper

The adjust lever,

position for the paper thickness, as shown below.

attadwd

to the carriage

Table 1-5. Adjust Lever Settings

Paper Type

Left

Right

Cut Sheets

Envelopes

(Ox

, ,

. . . . . . ------

unit

must be set to proper

Papsr

Thkknsss

0.065-0.11

nun

(0.0026- 0.0056”)

0.16- 0.52

(0.0063-

0.020”)

Envelopes

1.2.4 Ink Cartridge

Type: Ink color: Print capacity:

Ink

capacity:

Life:

Temperature conditions:

Dimensions:

Figure 1-5. Adjust

Exclusive cartridge Black

0.7

million characters (LQ)

29.0 +o.5/-l.occ

The effective life from the 2years (total time 6

Storage —

Transport —

Note: Ink freezes in

Width Depth 54.5 mm (215”) Height 38.5

months(afterunpacking)

requires

(2P

C(77 9).

28.5mm(l.12”)

(SOXXX25)

inpackageandafterunpacking)

-30- m c (-22 - 104° (Up to 1 month at

-30-

WC (-22 -

(Up to 1 month at 40° C (104° P) or 120 hours at (140’ P’))

the rnk

sewal

hours to unfreeze at mom temperature

mm(l.52”)

Imer

rndicated

cartridge if kept below-C (26.6°

production date is:

(14W P))

140”

6(T’

‘:”.

Stylus 800+

1.2.5

service Manual

Environmental Conditions

Table 1-6. Requirements for Operation and Storage

Ganwd

Description

Temperature

Humidity Resistance to shock Resistance to vibration

Note:

= Operating conditions must be h this range shown h the

*2=

When the pnnteris in the shipping container.

*3= Without condensation.

Humidity

(%RH)

80%

ss~o

*o’Y.

Operating

10- 35° C (50 - 95° F)*

20- 80% RH “1’”

1 G, within 1 ms

0.15 G, 10-55 Hz

-20- 50° c (-4 - 122° 5- 85% RH ‘2”3

2 G, within 2 ms ● 2

0.50 G, 10-55 Hz ● 2

figure

Print assured range

Storage

Mow.

● 2

10”

(5o”

F) (80” F) (95” F) (“F)

Figure 1-6. Temperature/ Humidity Range

1.2.6 Electrical Specifications Table 1-7. Electrical Specifications

Item

Rated voltage Input voltage range

Rated frequency range

Input frequency range Rated current

Power consumption

Insulation resistance

(applying 500

120 V Version

103.5- 132 V 198-264 V

49.5 -60.5 Hz 49.5 -60.5 Hz

Approx.

(self-test with 10

line and chassis)

27” C

“c

35”

220-240 V Version

120

VAC

220-240

VAC

50-60 Hz 50-60 Hz

0.5 A 13 W

cpi

LQ (self-test with 10

characters)

MQ,

minimum 10

VDC

between AC

(applying 500

0.3 A

Approx.

13 W

characters)

MQ,

minimum

VDC

between AC

line and chassis)

cpi

Dielectric strength

Rev.

1000

VAC rms

1200

-1 minute or

VAC rms

-1 second

(between AC line and chassis)

1500

(beween

VAC rms

‘c ‘ine

and

-1 minute

Chasis)

Gsnsrd Dssaiption

1.2.7 Reliability

stylus 8@+

ssfwicsmm4d

MTBF:

Printhead life:

Total print volume:

1.2.8 Safety

Safety

Radio frequency interference (lWI):

1.2.9

Size(Wx DX H):

Weight

standards:

Physicai

4000 power on hours

1 billion dots per nozzle

75000 pages (with A4 or letter-size paper)

Approvais

US. version:

European version:

US. version: European version:

Specifications

435 X 264 X 154 mm (17.1 x 10.4x

Approximately 4.8

(POH)

at a duty cycle of 10’Yo

UL1950 with D3

CSA22.2 m

EN 60950

IEC 950

FCC

Vfg.

EN 55022

excluding the ink cartridge

(SEMKO, DEMKO, NEMKO, SETI)

part

15, subpart B,

243

(VDE

0878 part 3, part 30)

(CISPR Pub.22) ClaSS

6.1 inches)

ChSS

-iii.”

1-1o

Rev.

Stylus

800+

service

Manual

General Dasoription

1.3 INTERFACE SPECIFICATIONS

The Stylus 800+ is equipped with an 8-bit parallel interface, standard. Data format:

Synchronization: Handshaking: Signal level: Adaptable connector: Data transmission timing:

ACKNLG

DATA

Figure 1-7. Data Transmission Timing

8 bit parallel STROBE pulse synchronization By BUSY and

TI’L-compatible

36-pin 57-30364) (Amphenol) or equivalent See Figure 1-7.

ACKNLG

signals

level

[

)

Table 1-8 shows the

comector

Table 1-8. Signal and Connector Pin Assignments

Pin No. Signal Name

STROBE

2-9

DATA 1-8

ACKNLG

BUSY

pin assignments and signal functions of the 8-bit parallel interface.

I/o

The STROBE pulse is used to read data from the host computer.

The pulse width must be and data is latched with rising edge of this signal.

DATA 1-8 are parallel data bits. When one of these signals is HIGH, the data bit is 1; when LOW, the data bit is O. The most

significant bit

maintained for 0.5 edge.

ACKNLG

approximately 10 p.s. This signal goes LOW on completion of

data reception to indicate the printer is ready to receive further data.

The BUSY signal informs the host computer of the

status. When this signal is HIGH, the printer cannot accept

futiher

data.

This signal indicates whether paper is available in the printer or

not. A HIGH level indicates no paper.

(MSB)

p.s

is the acknowledge pulse, with a width of

Description

0.5p.sor

is DATA 8. The signal state must be

on either side of STROBE signal’s active

more. Normally, it is HIGH,

printet’s

Rev.

SLCT

AFXT

Pulled up to +5 V through a 1.OK S2 resistor in the printer. If this signal is set to LOW, the printer automatically performs

one line feed upon receipt of a CR (carriage return) code. The status of this signal is checked only at power on and initialization

—

Not

USed.

1-11

Garleml

Descdption

Styhm

Sutdc9 Msmd

Pin No.

16 17 18

19-30

34 35 36

Note:

Tabie

1-8.

Signai Narno

I GND

CHASSIS-GND

GND

ERROR

I GND

l—

Z5e

&ection of

Signai

and Connector Pin Assignments (Continued)

— I

Signai

Chassis ground.

—

connected in the printer.)

—

Not used.

—

Twisted-pair return

if this

width of this This

—

Signai

1 1

—

tie

signal h as viewed

Not used.

—

Puited

—

Not used

ground.

signai

go& LOW, the printer is initialized. The

signat

goes LOW if the

● has a

runs

fatai wmr.

out

ground.

up to

+5V

(reserved).

Description

(i30th

chassis

signai

ground.

signai

must be 50 @ or more.

printec

of paper.

through

tkom

the

1.OKQ

printer.

resistor in the

andsignai

ground are

pulse

printer.

‘,

;’

1-12

Rav. A

Stylus

&WO+

Sarvke Manual

General Dsscrlptkm

1.4 PRINTER OPERATIONS

This section describes the basic operations of the printer.

1.4.1 Control Panel

The control panel for this printer contains five non-lock type push buttons and nine LED indicators for easy

ope;ation

of the various printer functions.

Data

Paper Out

Ink Out

Economy

Condensed

E=El

[:: 1

Buttons

Pause

Economy/Condensed

Font

Load/Eject

Alt

000

Draft

ourier omarIT

ii..

San:

#’

s H ( S)

D,..,,

lwum

Saris

B--

“ Pause

Sarif

Prestige

scriDt

‘on’

I.oadl

Eject

FIUl

Reset

Figure 1-8. Control Panel

Switches printer status between printing and no print

datz-in

the input buffer. When you hold down this button and the for 2 seconds, the printer initiates printhead cleaning.

Selects economy or condensed printing alternately. Also works as a reverse micro feed button, if the

Selects one of the available fonts. Also works as a forward micro feed button, if the

When you press this button, the printer either loads new paper into the printer or ejects paper currently in the paper path. Also works as a reset button, if the Ah button has been pressed.

This button alternates functions of certain buttons. When you hold down this button in pause mode for 3 seconds, the printer moves the carriage to the ink cartridge installation/replacement position.

Ait

button has been pressed.

Alt

button has been pressed.

Alt

printin~

button in pause mode

if there is

Indicators

Pause Data Paper Out Ink Out

Economy/Condensed Font

Rev.

Lights when the printer is in pause mode. Lights when there is print data in the input buffer. Lights when the printer is out of paper. Blinks if a paper jam occurs. Lights when the printer detects an ink end in the ink cartridge.

Blinks when the ink level becomes low. This LED shows the currently selected mode. Indicates the currently selected font.

1-13

Gen9m/ Lkscd@n

1.4.2 Panel Operation at Power On

SiJdu88m+

Wnual

You can turn on the following functions panel.

Self-test mode:

Hex dump mode:

monstration mode:

Smudge prevention mode:

Other functions that can be activated from the control panel at power on, such as the default setting mode and the initial ink charge mode, are described in the sections that follow.

1.4.3

The printer lets you set and save some default settings that it will start with after every

initialization. You can define the setting mode by holding down the

Defauit

Setting

Start self-test printing by turning the printer on while holding down the Font button (LQ self-test) or

Start the built-m printer on while holding down Once this mode is selected, the printer pMts all received data m hexadecimal

Start printing of a demonstration page by turning on the printer

while holding down the Ah button. Enter smudge prevention mode by turning on the printer while

holding down the AH and Font buttons.

If the paper has a tendency to smudge during high duty you can prevent smudges using this feature. Jn this mode, the printer waits a few

settings

Ecofimy/Condensed

power on by holding down buttons cm the control

LoadEject

hexadwirnal

hrnat.

seconds after printing a line to line feed.

in the table below in default

data dump print mode by turning the

(he Font

button while

button (Draft self-test).

and

LOWE~

setting

mode. Start default

tuming-6n

the printer.

buttons.

printins

,..

..”’,

,,..

Tabie

1-9. Default Setting ttem

Contents

Character Table Selects the character table

ON: Print direction is selected automatically for optimal print

4uto

Print Direction

Network l/F

Mixed Text/

Graphics Mode

Auto Line Feed receipt of the CR code.

Note:

●

Mcde

1 =

OFF: For normal use. ON: Line feed operation is performed

OFF: No line feed operation with CR code.

/fset

to ON, the

quality (alignment).

OFF: Depends ON: For netvvorkenvironments, such as LocalTalk.

(Thne+xh

ON: For ON: To ensure proper printing

and MS

onthe

printing ie disabled.)

normal environments. (Time-out printing is enabled.)

ecalable

Wotd

capcityof

fonts using certain applications,

or WordPerfect version 5.1 or

Description

ESC U command.

input

bufferh finu’tedto 8KB.

ofimagescontaining

automsticaltyupon

graphics

~lh

eartier.

Fectoty

Setting

OFF

1-14

Rev.

Stylus

800+ Setvica

Manual

General Daacription

1.4.4 Initial Ink Charge

When the printer is setup for the first time, the printer’s entire ink supply path must be filled with

rming

ink by perfo

the initial ink charge operation, as described below.

1. Be@

3. Press the

The Pause

initial

inkchargeby

Install the ink cartridge.

Alt

button.

LED blinks while the initial ink charge operation is in progress, and when it completes,

pressing the

Alt

and

Pa~butions andtirningon the

pfiter.

the printer automatically becomes ready.

■

The ink cartridge

Do not

perjorm

must be

installed immediately

afler

unpacking the package.

the initial ink charge operation more than twice on the same printer.

Otherwise, the operation consumes too much ink in the cartridge and shortens the life of

the waste ink tank.

1.4.5 Error Conditions

The printer detects various errors and indicates them with the LED indicators and the buzzer.

Table 1-8. Error Codes

Error

Paper end

Paper

LED

Ink End

LED LED

OFF

Pause

OFF

Buzzer Recovery

Load paper and press the

~ ~hon ~wp

following buttons:

1. Pause

2. Load/Eject

Paper jam

Ink low ● 1

Ink end

No ink cartridge

Carriage error

Waste ink tank

over-flow

Notes:

“1: This

●

2: It is not

error.

BLINKS

OFF

is not treated as an

OFF OFF

BLINKS

OFF OFF

error.

necessary to replace the ink

3 short beeps Same as above.

—

OFF

No beeps

a Shoti ~ps

‘hod be~

~ ~ng beep

BLINKS 3 short beeps

caflndge until

the printer detects the

Press Pause and replace the ink cartridge with a new one. Then, press Pause again to resume printing.

Replace the ink

catlridge

and press Pause.

Install the ink

cattridge

and

press Pause. Tum the printer off and back

on again. Service maintenance

required. (Replace the waste ink absorbing material and reset the protect

munters.)

Ink

End

Rev.

1-15

1.5 MAIN COMPONENTS

The main

1.5.1 Main Control Board

The the host computer and processing received print data, as well as control of the whole printer

mechanism.

CPU

Gate array Program ROM

CG ROM

RAM

EEPROM

CR motor driver

components

PMtermechanl

Main control board

Power supply unit(C106PSB-B/C106

Control panel

Housing

of this printer are:

“sm (M-4611)

(C134

C134

MAIN

(ICl)

(n)

(IC1O) IK-bit

board is the main

This

board consists of the following components

(IC3)

(IC4)

(IC7/8)

(IC13)

Constant current

controller of the Stylus

16-bit CPU

19.6608 MHz operating clock

E05BO0 IM-bit

EPROM or

4M-bit mask ROM

8M-bit

mask ROM

IM-bit

PSRAM (64x 16 bit)

Hybrid IC

MAIN Baud)

PSE-B

MAIN Board)

~141F-20)

IM-bit

M40B21 (IC8

M80A71 (IC7

EEPROM

SMA7024ME

unipolar

Board)

800+.

It takes charge of interfacing with

mask ROM

/ for standard / for

drive

NISP

versicm)

version)

PF motor driver

Program ROM

ml, n

(QM1)

Hybrid IC

Constant voltage

(IC4

I), I t

CG ROM

Figure 1-9.

SMA6501

unipolar

Fr~

drive

CR Motor Driver

‘

[

ROM (Ica)

(IC7)

C134

MAiN Board Component Layout

(!W!_@L

@teArray(lc3)

(IC13)

.,.

..>s

-.;:.

1-16

Rev.

Stylus

S00+ Sarvica

Manual

General Daacription

1.5.2 Power Supply Unit

The power supply unit converts input AC voltage and generates the different DC voltages required by the printer mechanism and other electrical

input, and the

C106 PSE-B

board is for 220 to 240

Figure 1-10.

(C106 PSB-B/C106 PSE-B

circuities.

VAC

input.

CI06 PSB-WPSE-B

Board Component Layout

The

Board)

C106 PSB-B

board is for 120

VAC

1.5.3 Printer Mechanism (M-4811)

The M-4811 printer mechanism is specifically designed for the Stylus carriage assembly, which includes the printhead and the ink supply system, the carriage motor, the paper feed motor, the paper feeding mechanism, and the pump mechanism.

800+.

It consists of

the

Rev.

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

1-17

Chapter 2 Operating Principles

Table of Contents

“ “

. . 2-6

2-7

. 2-9

2-1o

2-10 2-12

2-I3 2-13 2-14

2-15

2-16 2-I7

2-1 2-1

2.1 OVERVIEW

2.2 PRINTER MECHANISM OPERATING PRINCIPLES

2.2.1

2.2.2 Carriage Drive Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

2.2.3 Paper Feed Mechanism. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-5

2.2.4 Ink System. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.2.5 Pump Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.2.6 Cap Mechanism.. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.3

Printer Mechanism. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-2

2.2.2.1 Adjust Lever . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

OPERATING PRINCIPLES OF THE CIRCUITS

2.3.1

2.3.2 Operating Principles of the Main

Operating Principles of the Power

2.3.2.1 Reset Circuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.3.2.2 SensorCircuits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

2.3.2.3 InkEnd Detection . . . . . .

2.3.2.4 Carriage

2.3.2.5 Paper Feed Motor

2.3.2.6

Printhead DriveCircuh

MotorDfiveCircuh

DriveCircufi.

SupplyCircufi

Control

.....:...

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Circuit . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . .

2.4

INK SYSTEM MANAGEMENT

2.4.1 InkOperations. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ... ...

2.4.1.1

2.4.1.2

2.4.1.3

2.4.1.4

2.4.1.5

2.4.1.6

2.4.1.7

2.4.1.8

2.4.1.9

2.4.2 CounterandTimer. . . :. . : . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-23

2.4.2.1 Refresh-l Timer... . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-23

2.4.2.2 Flushing Counter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-23

2.4.2.3 CL Counter K . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-23

2.4.2.4 Protect Counter. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-23

PowerOnOperation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cleaning Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Standby Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Initial Charge Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Refresh Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Cleaner Blade Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-22

InkCartridge(l/C) Replacement Operation. . . . . . . . . . . . . . . . 2-22

Disengage OnOperation . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Micro Absorbing

OPeration

. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-23

....s” 2-19

2-18

---

z-19

2-21

2-=

2-20 2-20 2-21

Rev.A

2-I

List

of Figures .

Figure 2-1. Functional Block Diagram of the Printer Mechanism. . ..........2-1

Figure 2-2. Structure of the Figure 2-3. Structure of the

Printhead

1 . . . . . . . . . . . . . . . . . . . . . ..........2-2

2. . . . . . . . . . . . . . . . . . . . . ..........2-2

Figure 2-4. Principles of the Printing Operation 1 . . . . . . . . . . . . . . . . . . . . . .. 2-3

Figure 2-5. Principles of the Printing Operation 2 . . . . . . . . . . . . . . . . . . . . . . .2-3

Figure 2-6. Carriage Drive Mechanism. . . . . . . . . . . . . . . . . . . . . . . . ........2-4

Figure 2-7. Adjust Lever. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

Figure 2-8. Paper Feed Mechanism 1 . .

.’.

. . . . . . . . . . . . . . . . . . . . . . . .. ...2-5

Figure 2-9. Paper Feed Mechanism 2 . . . . . . . . . . . . . . . . . . . . . . ..........2-5

Figure 2-10. Figure 2-11. Figure 2-12. Figure 2-13. Figure 2-14. Figure 2-15. Figure 2-16. Figure 2-17. Figure 2-18. Figure 2-19. Figure 2-20. Figure 2-21. Figure 2-22. Figure 2-23.

Figure 2-24.

Diagram of the Ink System. . . . . . . . . . . . . . . . . . . . . . .........2-6

Pump Mechanism Block. . . . . . . . . . . . . . . . . . . . . . ...........2-7

Pump Operation . . . . . . . . . . . . . . . . . . . . . . . . . ..............2-8

Cap Mechanism . . . . . . . . . . . . . . . . . . . . . . . . ...............2-9

Block Diagram of the Circuits. . . . . . . . . . . . . . . . . . . . . . . .. ...2-10

Power Supply Circuit Block Diagram. . . . . . . . . . . . . . . . . . . . . . 2-11

Main Control Circuit Block Diagram. . . . . . . . . . . . . . . . . . . . . . .2-12

Reset

CirWt

Block Diagram . . . . . . . . . . . . . . . . . . . . . . . .....2-13

Sensor Circuit Block Diagram . . . . . . . . . . . . . . . . . . . . . . .....2-13

Ink End Detection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .....2-14

Carriage Motor Drive Circuit Block Diagram. . . . . . . . . . . . .....2-15

Paper Feed Motor Drive Circuit Block Diagram . . . . . . . . . .....2-16

Printhead Printhead

Drive Pulse . . . . . . . . . . . . . . . . . . . . . . . . . . . . .....2-17

Drive Circuit Diagram. . . . . . . . . . . . . . . . . . . . . . . .. .2-17

Relationship of Ink System Operation to Carriage Position .. ...2-18

List of Tables

Table 2-1. Carriage Drive Motor Specification . . . . . . . . . . . . . . . . . . . . .. ....2-4

Table 2-2. Adjust Lever Position . . . . . . . . . . . . . . . . . . . . . ...............2-4

Table 2-3. Paper Feed Drive Motor Specification. . . . . . . . . . . . . . . . . . . . . . .. 2-5

Table 2-4. Pump Mechanism Operation. . . . . . . . . . . . . . . . . . . . . . .........2-8

Table 2-5. DC Voltage Distribution. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .....2-10

Table 2-6. Carriage Motor Drive Modes. . . . . . . . . . . . . . . . . . . . . . . . . .....2-15

Table

2-7. Paper Feed Motor Drive Modes . . . . . . . . . . . . . . . . . . . . . . .....2-16

. .

c’

I I

2-ii

Rev.

Stylus

800+ Satvics

Manual

2.1 OVERVIEW

OpaUng

Ftincipbs

T’& section describes the operating

circuits.

prinaples

for the Stylus

800+

printer mechanism and electrical

2.2 PRINTER MECHANISM OPERATING PRINCIPLES

The Stylus carriage drive mechanism, pump mechanism, and various

functioml

800+

printer mechanism is composed of the

block diagram of the printer mechanism.

Pump

o-l

~toJ--w

●

n m

■

rriaae

Motor

nit

Mechanism

‘(&p’c’caner)

printhead

‘

unit, paper feed mechanism,

sensors. The figure

Waste

‘an’

Printhead/

Filter/ Driver Circuit

below

Inl- ‘--’-

uraln

shows a

m m

% . . .

m ■ . . .

(

Figure 2-1. Functional Block Diagram of the

Printer Mechanism

Rav.A

2-1

Opwating

Princ@h!ss

2.2.1 Printer Mechanism

Stylus Wl+

~tillad

printer mechanism

The

EPSON ink jet highly reliable. The figure below shows

printem,

Cartridge

Filter

Needle

fbr

this printer uses a

but the

Cavity Set

(Nozzle)

printhead

has been completely

dmpawknand rnk

thestructureofthe

jet system similar to all other

wdesigned

printhead

to make it

and

rnksupplysystem.

intheed IMver Soerd

(Multi-Layer

Piezo)

a)mpact

and

MLP

Cavity

❑ Nozzles

Nozzle Plate

Figure

MLP

is the abbreviation for Multi-Layer (voltage) is applied, this element pushes the vibration plate, compressing the cavity for ink

Ink supplied from the ink cartridge is stored in this space and is ejected from the nozzles when the vibration plate compresses this area.

These eject ink against the paper’s surface in response to the application of the print signal. There

ejectkm

2-2.

Structure of the

from the nozzle.

are4S individual

Printhead

Piezoelectric

nmzlesmaking

element- When a drive pulse

up this

printhead.

>’022’8

supply

Tank

2-2

Vibration Plate

Figure 2-3. Structure of the

‘ MLP

(Multi-byer Piezo)

Printhead

Rev.

Stylus

Principles of the Printing Operstion

The

S00+

service Manual

printhead

Normal state

performs the following operations to eject ink from each nozzle:

Opsfating

Principles

No electrical charge is applied to the

of the cavity, and pressure in the cavity is kept at a constant level.

Cavity

Nozzle

MLP

(Multi-Layer

Piezoelectric)

Figure 2-4. Principles of the Printing Operation 1

2. Ejection

element attached to the back

MLP

The head data signal is applied to the control line of a nozzle to select the active nozzle for and the

bends the vibration plate to compress the cavity. Then, ink is ejected from the nozzle.

MLP

element is gradually charged with the drive voltage. Charging the

Nozzle

MLP

printin~

element

Figure 2-5. Principles of the Printing Operation 2

When the ink charge or out with the pump mechanism. During from the ink cartridge and ejected from the nozzle, according to the change in the volume of the

cavity.

printhead

cleaning operation is performed, ink in the cavity is vacuumed

printin~

on the other hand, ink is simultaneously supplied

A thermistor is attached to the viscosity of the ink varies, depending on the temperature. back to the

Rev.

printhead

drive voltage control circuit to regulate the drive voltage to a proper level.

printhead

drive board to monitor the temperature, because the

The dew

temperature

level

fed

+ 71 hidden pages

Epson Stylus 800+ Service manual

Specifications and Main Features

Frequently Asked Questions

User Manual

PRECAUTIONS

PREFACE

REVISION SHEET

TABLE OF CONTENTS

1.2 SPECIFICATIONS