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• OKIDATA OKIMATE 20 Technical Service Data

OKIDATA OKIMATE 20 Technical Service Data

Download Technical service data of OKIDATA EN3211 Printer for Free or View it Online on All-Guides.com.

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PRELIMINARY

SERVICE CHECKS

(Continued)

GENERAL

OPERATING

INSTRUCTIONS

SELF-TEST

Self-Test

continuously

prints

the

character

set. To start

test,

hold

Select

button

down

while turning

Printer

On.

Continue

to

hold

Select button

for

two

seconds,

then

release

it. To

stop test,

press

Select

button.

NOTE: Do not

use

a

colored

ning

Sel

f-Test.

ribbon

when

run-

DARKNESS

BUTTON

Slide

Darkness

button

to

left to

print

lighter,

to

right

to

print

darker.

SELECT

BUTTON

Press

Select

button

once

to

pause,

ready

LED

will

start

blinking.

To Form

Feed,

pause

Printer,

press

and

hold

Select

button

for

two

seconds.

SWITCH

SETTINGS

SWITCH SW1

300 Baud

1200

Baud

4800 Baud

9600 Baud

7 Bit with parity

8

Bit with

parity

8 Bit without parity

Even

parity

Odd

parity

X-0N/X-0FF Protocol

Ready

/Busy

Protocol

Space

at printer

ready

(Ready=High,

+)

Mark at printer

ready

(Ready=Low,

-)

ON

i

2

1,2

3,4

3

1 nterf ace Board

Switches

OFF

SWITCH SW2

ON

U2

Spanish

Characters 1

2 ASCI

I

Characters

1

17.1

CP1

(Characters

per inch) 2

10

CPI

Auto LF (linefeed)

On 3

4

Auto

LF Off

3,4

IBM

Character Set #1

IBM Character Set #2

4

5

Draft Quality

6

6

Correspondence Quality

OFF

:

2

3

<.

MISCELLANEOUS

ADJUSTMENTS

POWER

SUPPLY VOLTAGE

ADJUSTMENT

Connect

input of

a DC

voltmeter

to pin

1 of

Connector

CN9

on Driver

Board.

Adjust

Voltage

Adjust Control (VR>

for

14.4V.

PRINT HEAD

CLEARANCE

Remove

cabinet

top.

Loosen

Phillips

screw

holding

Head

Hold

Solenoid

to

Printer

chassis.

Move Solenoid

to

align

metal

slide-bar

index

marker

with index

marker

on

plastic

end

piece.

NOTE: Head Hold

Solenoid

while

making

this

adjustment.

is

not

activated

Clearance

between

ribbon

guide

and

platen and

between

ribbon

guide

and

ribbon

stop

rubber

should

be

.02 to

.04

inch (5

to 1mm).

Tighten

Solenoid

mounting

screw.

BELT

TENSION

Remove

cabinet

top.

Loosen

two screws

holding

Carriage

Motor.

Measure

tension

of belt

by

hooking

a

tension

guage

in

hole

located

on

left

front

of

the

Carriage

Motor.

Pull

guage

until

a tension

of .66

+

.066

pounds (300

+

30

grams)

is reached

and

tighten

Motor

mount

screws.

VE