Centronics 101AL Technical Manual

TECHNICAL
MIZAINUZATL

MODEL

CENTRONICS

araOCeaie!

101AL

OC

PRINTER

APRIL

Centronics

CENTRONAICS

1975

No.

37400050

Rev.C

data

HUDSON,

TELEPHONE

computer

NEW

HAMPSHIRE

(603)

corp.

8383

03051

0111

ts

CENTRONICS

centronics

eastern

central

western

centronics

mississauga,

data

hudson,

telephone

region:

brussels,

[phone]

region:

region:

(513)

(714)

data

computer

ontario

derteariiettnaaeaso

belgium

computer

(603)

294-0070

979-6650

(416)

corp.

n.h.

0305!

883-Oill

(mass.)

(canada)

625-0770

melee

(02)

762-3572

(ohio)

(calif.)

Itd.

©

Copyright

All rights

Patents

(PrintedinU.S.A.

Centronics

reserved.

PendinginU.S.A.

;

4/75)

Data

Computer

and

Other

Corp.

Countries

‘TECHNICAL

MANUAL

MODEL

THE

INFORMATION
PROPRIETARY
OR

REPRODUCED

MISSION

101AL

APRIL

CONTAINED

AND

IS

NOT

TO

WITHOUT

OF

CENTRONICS

data

1975

HEREIN

BE

WRITTEN

computer

PRINTER

IS

RELEASED

PER—

corp.

CENTRONICS

data

HUDSON,
TELEPHONE

computer

NEW

HAMPSHIRE

(603)

corp.

883

-

03051

0111

TABLE

OF

CONTENTS

Section

1.1

1.2

1.3.

1.4

1.5

GENERAL
LOGIC
PRINTER

1.3.1

1.3.2

1.3.3

SYSTEM

1.4.1

1.4.2

PHYSICAL

DESCRIPTION...

FLOW

OPERATION.

Character
Paper

Special

FEATURES.....eee

Features,

Specification

DESCRIPTION-+++

DIAGRAM

Movement

Functions.

SECTION

INTRODUCTION

...

...........

.......

Printing

Standard

Summary

........+4+464-0+6006-8

......

.

....

&

Optional

«+

SECTIONS2&

INSTALLATION

AND

1

1...

ee

11we

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2. 2.26

1...

ee

Specification

+

+

+

+

+++

+e:

3

OPERATION

2

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,

4,1

4.2

4.3.

SITE

PREPARATION.
SHIPPING
PAPER

GUIDE

CRATE.

AND

.

2...

.2.1.

STACKER

2

2 1 2

1 16ww

ASSEMBLY.

SECTION

THEORY

OF

OPERATION

INTRODUCTION..2.1.2 1 12www

BASIC
INITIALIZING

4.3.1

4.3.2

TIMING.

Prime.

Select

.2.2.

THE

.....

.......2

1 1

PRINTER.

ew we
. .2.1.72

2...

06.26«©

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th

ws

Rev.

A

TABLE

OF

CONTENTS

(cont'd)

Section

4.4

4.5

4.6

4.7

DATA

4.4.1

4.4.2

4.4.3.

SHIFT REGISTER
CHARACTER

4.6.1

4.6.2

4.6.3

4.6.4

4.6.5

PAPER

4.7.1

4.7.2

4.7.3

4.7.4

4.7.5

INPUT.

Data
Busy...
Function

PRINTING.

Initializing

Character

Character

Print
Power

MOVEMENT...

Line
Form
Vertical
Wertical
Line

...........

Input

Timing.

2.

2. 2.

Decoder

(BUFFER).

.......

the

Registration

Generator

Head

Operation.

Driver

Feed...
Feed.

Feed

Circuits.

2. 2.22

......

Tab.
Format

Solenoid

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........2.2.2.2.208080c86-.8

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Printing

(ROM).

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...

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Unit.

Driver.

be

Operation.

and

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22.20

Timing.

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........

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.

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Page

4-6

4~6
4-9
4-10

4-12
4-14

4-14
4-15

4-18

4-20
4-21

4-24

4-25
4-26
4-27
4-28
4-29

4.8

4.9

4.10

SPECIAL

4.8.1

4.8.2

4.8.3.

4.8.4

POWER

4.9.1

4.9.2

4.9.3.

OUTPUTS

4.10.1

4.10.2

FUNCTIONS.

Bell

Delete...
Paper

Motor

SUPPLIES

+5V

Regulator.
+12V
+35V

FROM

Outputs
LSI

Chip

...

(Optional).

..

Empty.

Control

........

and
Power

LSI

from

........

(Optional)

-12V

CHIPS

ME9...........0

Regulators

Supply,

LSI

.

2...

........

1.

1

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1

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Unregulated

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Chip

ME5......2.2.2.2.4.2...

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...........

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4-30

4-30

4-30
4-3]

4-31

4-34

4-36
4-37
4-37

4-38

4-38
4-4)

i1

Rev.

A

TABLE

OF

CONTENTS

(cont'd)

Section

o.1

9.2

REMOVAL,

INTRODUCTION.

MECHANICAL

PO

ot

lO
NO

ooo

lo
[PO
NAD
NO
NAD
AO
PO
AD
RO
ND

AnaInrianinnn

Cover
Carriage

WNMrF

Driving
Spring
Damper

OP

Frame
Paper

Pin

CONN

Form

WO

Ribbon

Electrical

Paper
Printer

REPLACEMENT

ASSEMBLIES.

(A)

.

Mechanism

Mechanism

Drum

(HD)
(HE)
Feed

Mechanism

Feed

Unit

Feed

Mechanism

Feed

Hardware

Stacker

Head

SECTION

AND

(HB).

(HC).

. .

(HF).

Mechanism

and

Guide

and

Associated

5

ADJUSTMENT

.
(HA)

tk

(HF).

. .

(HH)

(HI)

(HJ)

.

.

...

Assemb1

PROCEDURES

ies

oO

eo

QO

ep)

|

I

eed

O1

I

O1

-—

PO

WD

CO

FN

wo

PO FF

AOPO

mRO

PhocOo

WN

i

B

Pm BP

Mmmm

6.1

6.2

6.3

ADJUSTMENTS

PREVENTIVE

.

MAINTENANCE

TROUBLESHOOTING

DRAWINGS

DRAWINGS

~1O1AL

SIGNAL

GUIDE

AND

AND

GLOSSARY,

STANDARD

PARALLEL

SECTION

6

MAINTENANCE

;

SECTION
PARTS

SECTION

PARTS

APPENDIX

APPENDIX

7

LISTS,

LISTS,

A

SOURCE

B

8

AND

9 x764-CHARACTER

APPENDIX

INTERFACE

C

SPECIFICATIONS

ELECTRICAL

MECHANICAL

DESTINATION

SET

6-1

6-3

LISTING

Rev.

LIST

OF

ILLUSTRATIONS

Figure

1-1

1-2

1-3

1-4
1-5
1-6

1-7
1-8

1-9

2-1
4-1

4-2
4-3
4-4
4-5

Model

101AL

101AL

Printer

Printing

Print
Paper
Left

Right
Rear

Rear

Printer

Model
Prime

Input
Input

Character

Head

Movement.

Front

Front

View

View

1lOIAL-
Timing.
Data
Data

Printer

Logic

the

Letter

Components

. .

View

of

View

of

1OIAL.

(101AL

Dimensions.

Block

.

2...
Timing
Timing

Timing.

(Top

Cover

Flow

Diagram.

(H)

.........4...28

........4...2.0880868

2. 2.

2 6

1OIAL........2.2.2.2.2.22.2.4.2.

of

1O1AL.......2.2.2....28-8

.......

Electronics

. .

1...

Diagram.

2

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-

No

Busy

-

Causing

.

.....

Removed)

...........

ee

ee ee

2...

Cavity

2.6ee ww

.........2.2.+4+6-6

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CondItion.........

Busy

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Condition.

6.

©

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Removed).

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et

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Page

1-2

1-3

1-4

1-4
1-5
1-8

1-8
1-9/1-10

.

1-9/1-10

2-1
4-2

4.4

4.7
4-8

4-16
4-6
4-7
4-8
4-9
4-10

4-11

4-12

4-13

4-14
4-15

4-16

4.17

5-1

5-2

5-3A

5-3

Normal and
Print
Power
Line
Form

VFU

Location

Motor

Motor
Multitap

+5

12V

Model

Main

Bushing

(HB-50)

Flexible

Head

Driver
Feed
Feed

Tape

Control

Control

Volt

Regulator

Regulators

101

Motor

End

Elongated
Timing

Timing
and

Reader

of

Motor

50/60

Series

Drive

Play

a

Timing

Characters

.

........

Waveform.

.......

Vertical

Amplifier

Control]

Assembly

Timing.

Hz

Interconnection

.......

Transformer

Interconnection

Drive

and

Belt

Adjustment

a

Fence

Mounting,

.........e66-.

6.06606

........464.4.448888

Tab

(located

Circuit.

2.6

Timing.

©©© ©

..........

in

VFU).......

.......4...

Interconnection

2...

..........2446-.

Diagram

Diagram

Train

.......4.-+

Arrangements

for

Preload

Series

6«©ee ee

Diagram.

©«©ee

.......

........

........

Clutch

101.

......

we we

....

see.

Shaft

we

ee

ew

4-19
4-2]
4-22
4-27
4-28

4-29

4-31A

4-31B

4-33
4-35

4-36
4-38

5-8

5-13

5-21

5-29

iV

Rev.

LIST

ILLUSTRATIONS

OF

(cont'd)

oc

Figure

5-4
5-4A

9-5
9-6
5-/

5-9
5-10
5-11

7-1
7-2
7-3
7-4
7-5
7-6
7-7

7-8

7-9
7-10
7-11
7-12
7-13
7-14

Location

Two

Adjustments,

(HH-14)

Cam

Ribbon
Backlash

Driving

Ribbon
Ribbon

Fibre

Fibre

Schematic
Schematic
Schematic
Schematic
Schematic
Schematic

Schematic
Schematic
Schematic
Multitap
Wiring

Interconnection
101AL

Component

(Sheet1of

Feed

Slide

Reversing
Reverse

Optics

Optics

Diagram,

Connector

of

Left

Reed

Gear

ow

2

Mechanism

Adjustment,

Shaft

Rod

Timing

Head,
Head

Diagram,

Diagram,

Diagram,

Diagram,

Diagram,
Diagram,

Diagram,
Diagram,
Diagram,

Transformer

Board

3)

Alignment

Printer
Diagram,
Configuration
Assembly,

2...

Switch

with

ke

Bevel

A

Adjustment

Adjustment

Logic/P.S.
Logic/P.S.
Logic/P.S.
Logic/P.S.
Power
Power

Video
Power

Motor

50/60

Stop

(Rear

Gear

Adjustment...

-

.

.

Driver

Driver

Amplifier
Connections

Control

Mechanism

Connector

Logic/P.S.

ww ee

(Top

Cam

Printer,

of

(HI-43,

,.,.....2

from

Flexible

and

Board
Board
Board
Board

Board
Board

Hz

.........60

ee ee

View),

ee

.-

Optic

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

.........4.4..

.......46424808-4

........-2.2.6-4

Board

.......

(HH-23)

+--+

+5V
+5V
+5V
+5V

(Sheet1of

(Sheet2of

1OIAL........

Board

and

Side)

Left

59)

ee

......-

...

see

Fence
Timing

(Sheet1of
(Sheet2of
(Sheet3of
(Sheet4of

and

+5V

ke

Inside

+.

ee

-
Fence

Power

—

ee

.

-

ete

ee

+--+

2)

2)...

Supply.

6488-8

we

.

»

eee

+e.

4)..

4)

4)

4)
.

.

2»

,

.
.
..

.

.

.

Pade

5-24

5-31

5-36

5-37

9738

5-39
5-40

5-45
5-45

7-3

7-4
7-5
7-6
7-7
7-8

7-9

7-10
7-11
7-12
7-13
7-14

7-15

|

7-17

7-15

7-16
7-17
7-18
7-19
7-20
7-21

ty

yf

meer

7-22
7-23

Component

(Sheet3of
Component
Component
Component
Component

Electronics

Harness

-

Input

Power

Board

Board
Board
Board
Board

Assembly

Cable

Cable

Assembly,

3)

Cavity

7

ww
Assembly,
Assembly,
Assembly,
Assembly,

Assembly

(W1)

Assembly

Assembly

-\-

wk

..

(W3).

Logic/P.S.

ee
Power
Video
Connector
Motor

Driver

Amplifier.

Control

........6

...

2...

0...

....

Board

ee

..........

Board.

ee

eee

2.0...

+5V

ee

ee

........

........

.........

64.4068

eee

ee ee

0

ee ee

ee

ee

ee

eee

ee

ee

7-18

7-23
7-25
7-27
7-29

7-31

7-33

7-35

7-37

Rev.

B

LIST

OF

ILLUSTRATIONS

(cont'd)

Figure

8-4
8-1
8-2

8-3

8-3A
g-4

8-5

8-6
8-7
8-8

8-9
8-10
8-12

Mechanical
Cover
Carriage
Drive

Drive

Spring
Damper
Frame
Paper

Pin

Form
Ribbon
Print

Assembly

Mechanism

Mechanism

Drum

Feed

Feed

Feed

Feed

Head

Sub

Assemblies

-

Mechanism

(Preload

Mechanism

Mechanism

Mechanism.

Mechanism

and

Associated

.

(Left

.

.

Clutches).

.

ee

and

Right)

Assemblies

Page

8-2A
8-3
8-5

8-9
8-11
8-13

8-15
8-17
8-19

8-21
8-23

.

8-26

-Vi-

Rev.

Centronics
detailed
service
detailed

is

published

purpose.

This

manual

Data

theory

personnel

interface

for

The

manual

describes
Computer
of

operation

to

maintain

information,

your

reference.

is

grouped

SECTION

INTRODUCTION

the

Model

Corporation.

and

maintenance

the

printer.

a

separate

into

1

eight

1O1AL

It

provides

For

document

sections,

printer,

general

information

serial

for

each

manufactured

information,

enabling

input

with

each

or

other

interface

its

by

field

specific

Section

Section

Section

Section

-

Section

Section

Section

1

INTRODUCTION,
content
general

2

INSTALLATION,
structions

3

OPERATION,

trols

THEORY

4

each
including
circuit

REMOVAL,

5

step-by-step

major

MAINTENANCE,

6

procedures

ELECTRICAL

7

complete

layout

for

of
description

and

OF

major

diagrams,

REPLACEMENT

assemblies

set

diagrams

the

electrical

introduces

the

manual,

contains

for

the

describes

indicators

OPERATION,

operation

timing

diagrams

all

and

of

the

unpacking

printer.

the
and

contains
performed

keyed

AND

removal

includes

and

and

sub-assemblies

preventive

andamaintenance

DRAWINGS

of

AND
schematic,
and

their

portion

the

reader
provides
printer.

function
how

they

a

detailed

by

and,

to

where
the

ADJUSTMENT
replacement

schedule.

LIST

OF

MATERIALS,

wiring

associated

of

the

to
the

and

installation

of

all

are

used.

the

printer

applicable

schematic

PROCEDURES,

procedures

in

and

corrective

and

component

list

printer.

the

scope

reader

operator

description

drawings.

the

printer.

contains

of

materials

and

with

a

in-

con-

of

electronics,

simplified

includes

for

all

maintenance

a

board

1-1

Rev.

A

glossary

parallel

1.1

GENERAL

which
a

per

is
to
to
not

board

the

uses

rate

second

capable
14-7/8
the

require

contains

use

Section

At

the

of

signal

interface

The

Model

a9x7dot

of

165

(including

of

inches.

inch

with

special

The

printer

of

LSI

8-MECHANICAL

assembly
the

end

of

mnemonics,

specifications.

DESCRIPTION

101AL

characters

printing

The

10

characters
paper

is

both

the

(Large

mechanical

the

manual

printer

matrix

per

the

return

132

columns,

unit

uses

and

completely

control

Scale

Integration)

DRAWINGS

drawings

are

a

standard

(Figure

for

character

second

time

sprocket-fed

per

can

produce

self-contained.

logic

AND

and

portion

several

1-1)

with

for

with

inch,

and

PARTS

their

of

appendices

9x7

isamedium

generation.

an

average

the

paper

horizontally.

an

original

power

LISTS,

associated

the

printer.

64-character

printing

width

paper

A

supplies,

zircuitry.

includes

parts

which

speed
The

speed

head).

varying

and

generates
The

plus

single printed

include

set,

unit

of

132

The

from

printer

four

made possible

all

lists

and

impact

prints

characters

printer

4

inches

6

lines

does

copies.

circuit

printer

for

a

printer

at

by

1.2

LOGIC

of

up

to

data

(100-9600

the

serial

printer.

FLOW

The

132-character

75,000

data,

Figure

DIAGRAM

characters

Baud),

then

1-1.

then

transfer

MODEL

(Figure

input

per

an

101AL

1-2)

buffer

second.

optional

it

in

PRINTER

can

If

RS232

parallel

1-2

(TOP

receive
the

input

interface

to

COVER

parallel

device

the

is

input

REMOVED)

data

atarate

transmits

required

buffer

to

in

serial

assemble

the

Rev.

A

feed

tab

function.

and
addition,
delete,

motion

to

move

is

transmitted

acter

head

write

solenoids

Paper

top

the

select,

Once

is

initiated

from

Acknowledge

movement

The

of

form

printer

de-select

a

line

left

to

from

pulses

causing

PARALLEL

Rate=75,000
Mark=Binary1=
Space

1

Data

onoeew

0.5

[1S

(min)

Pt

Data

0.52S(min)=»ke
500

Strob

11S

(max)

RS

232

SERIAL

Baud

Rate=100—9600

Start

Pulse=One

Stop

Pulse=min,ofOne

Mark=Binary1=-3to
Space=Binary

is

Vertical

spacing

recognizes

of

printable

by

activating

right

the

buffer

are

sent
the

INPUT

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hole

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the

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1-6

1.4.2

SPECIFICATIONS

SUMMARY

Printing

Printing

Transmission

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Code

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Rate—Characters

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Character
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Paper

Number
Dimensions

Weight

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Feed

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DESCRIPTION

is

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118

pounds.

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C

1.

2.

3.

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Feed

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5.

6.

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Tape

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11.

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FRONT

VIEWOF101AL

1.

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3.

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Video

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C

Control

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Panel

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5.

6.

7.

8.

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Optic
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RIGHT

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10.

11.

12.

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14.

15.

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Fan

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J4
J6
J3
J2

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6.

7.

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9.

10.

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Electronics
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OF

101AL

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1.

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AC

Power

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1-9.

REAR

2.

3.

te,

4.

5.

6.

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Electronics
Power
Power

(101AL

Connector
Transformer
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ELECTRONICS

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7.

8.

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up
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should

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separate

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operators

procedures

referred

SECTIONS2AND

INSTALLATION

manual

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the

to

during

AND

contains
Model

normal

3

OPERATION

most

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installation

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operation.

set-

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in

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2.1

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additional

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take

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WEIGHT:

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118

POUNDS

PRINTER

2-1

DIMENSIONS

as

Enviromental

follows:

and

electrical

requirements

at

the

installation

site

are

2.2

SHIPPING

inches
walled
capable

Temperature:

Humidity:

Electrical:

CRATE

The

printer
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cardboard:

and

of

fork

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shipped

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printer.

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to

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to

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items:

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providing

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feeds

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card

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(6)

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also

in

Section

Documentation

printer
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keep
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stapled

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included

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2.3.

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information

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to

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the

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for

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manual

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the

paper

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and

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plastic

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any

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2.3

PAPER GUIDE

AND

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(527001001

ROUNDED

PAPER

ASSEMBLY

Attach

by
flat
in

GUIDES

INSTRUCTIONS

paper

first

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removing

bladed

of

guide

screwdriver.
paper

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two

feed

stacker

screws

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opening.

PAPER

assembly

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sure

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(one

piece)

the

left

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rounded

STACKER
TRAY

paper

| .

right

guides

to

side,

the

back,
and

rest

top

install

on

top

of

using

of

printer

a

printer

TABLE

TOP

OPERATION

2-3/2-4

ev.

A

SECTION

4

4.1

scription
electronics.
electronics.

grams

INTRODUCTION

This

Throughout

contained

Paragraph

of

section
each

major

Figure

in

4.2

4.3.

4.4

4.5

on

the
function

4-1

this

section,

Section

Basic

Initializing

Data

Shift

THEORY

theory

shows

7.

Input

OF

OPERATION

of

performed

a

basic

reference

The

section

Timing

(Data,

Register

operation

functional

the

Printer

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(Buffer)

by

the

is

made

is

organized

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Model
diagram

to

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101AL

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printer

of

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schematic

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printer

Select)

Acknowledge)

de-

dia-

4.2

signal

quency

ranges

BASIC

The

OSC.

of

from

TIMING

basic

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100

4.6

4.7

4.8

4.9

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=>

timing
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signal

determined

to

200

KHz.

Character

Paper

Movement

Special
Motor

Power

Outputs

clock

by

Control)

Supplies

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the

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from

for

generated

the

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4-1

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circuit

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printer

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Feed,

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electronics

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pin

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pin

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derived

25.

26

of

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input

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Character

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Power

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LSI

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on

the

switch

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switch

on

indicates

indicates

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switches

forward

timing

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switch

ME7-4,

this

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clutch

power

is

the

the

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fence

output,

driver

located

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underside

carriage

the

are

logic

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time,

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the

left,

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through

print

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at

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printing,

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the

five

this

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pulse

transistor

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also

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for

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inputs

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character

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character

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off

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Q2

proper

to

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to

the

is

the

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LSI

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to

the

output

address

of

the

appropriate

the

shift

register.
column

in

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the

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4-}7

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timing

ROM

outputs

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are

used

generator).

to

the

same

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width

each
is

generated

video

interval

as

shown

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in

Figure

pulse

4-5.

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normal

pulse

character

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printing,
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erator).

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chip

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and

alternate

timing

character

allows

outputs

mode

During

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4.6.3

and

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CHARACTER

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consecutive

columns

the

elongated

alternate

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than

the

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logic

These

in

appropriate

pulses

during

space

are

board

all

can

DLYSTB

four

inputs

timing

intervals

the9x7matrix.

character

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to

clock

and

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normal

interval

column

pulses

character

between

in

printing,

the

reset.

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contain

up

to

to

LSI

chip

correspond

Timing

the

"half-step"

the

to

clock

delayed

are

twice

mode.

characters

four

ROM

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signals

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latch

the

strobe

as

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elements,

generate
to

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ROM

(internal

internal

counter.

long

during

timing

the

four

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strobe

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elongated

timing

depending

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are

gen-

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LSI

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signals

on

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the
selected
element

1,

3,

each

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to

the

character

locations

5,

7,

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input

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(2)

generating

ME18

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for

up

half-step

ROM

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character

are

buffered

all

ROM's.

the

sixth

ME20

and

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TB6

(optional).

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the

ME18

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five

and

capabilities

and

ME20

to

64

characters.

outputs

Generator)

address

and

applied

For the

character

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"full-step"

ME20.

the

jumper

Timing

each

provide

(i.e.,

-

Outputs

full-step

address

sixth

option,

outputs

columns

output

of

the

columns

element

to

five

and

input

character

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in

DCWO1-DCW04

that

printer.

full-step

ROM's

TBI-TB5

of

2,

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in

4,

three

the

half-step

is

controlled

address

can

be

each

9x7

outputs

locations

6,

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inputs

from
six

character

ROM's

input

either

from

character

specify

for

the

The

by

TB7

LSI

ROM's

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up

to

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shift

inputs

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TB6.

is

controlled

(standard)

chip

matrix

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four

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columns

and

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64

characters.

addition

register

to

and

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ME9

specify

in

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by

or

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step"

columns

in

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and

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low

input

to

pin

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each

ROM

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the

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configuration

put

of

that

timing

input

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the

selected

pulse

to

For

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ROME2
signal
the

For
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signals
acter

provides

the

print

the

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generated

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signal.

mode,

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from

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the

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character

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the

addressed

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the

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STROBE

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of

these

timing

solenoids.

ROM's (ME24

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by

LSI

This

This

effectively

with

combined

chip

the

inputs
input

and

chip

ME9,

the

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with

ME9

are

twice

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character

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CHADD7,

to

enable

for

gating

ME30),

For

is

coincident

interleaves

pattern

the

as

character

and

ROM's

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the

normal

from

is

fact

long

to

the
the

coincident

column

and

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character

with

the

the

that

during

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the

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allowing

The
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input

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the

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AND

4-19

ELONGATED

CHARACTERS

out

to

ROM

outputs

normal

to

the

holding
a

failure

low

disabling

The

seven

the

Power

to

+5V

operation,

Power

the

occurs

Driver

output

the

outputs

Driver

to

prevent

the

STROBE

board.

constantly

in

the

gates.

CG

from

board

-12V

all

as

signals

overloading

or

DLYSTB

The

input

high,

supply,

four

ROM's

signal

to

enabling

then

are

CG1-CG7.

the

inputs

gates

ME28

pins

the

ME28-1

wire

Diodes

the

1

and

output
and

2

ORed

to

the

addressed

2

CG

goes

together

CR16-CR32

74L00

is

normally

gates.

high

and

clamp
gates.
dot

If,

forcing

gated

the
In

column

low

however,

ME28-3

4.6.4

characters.
against
these
in
bottom
atajewel
approximately
begin

(j.e.,

but

ribbon
from
and

PRINT

The

solenoids

Section

dot

its

the

The

under

and

the

paper

the

movement. The amount

normal

paper,

upon

HEAD

OPERATION

print

ribbon

1.
inacolumn.
located

distance

total

paper.

The

and

Solenoid

3.5

operation,

is

impact.

head

head

to

the

at

inches

necessary

distance

The

to

is

the

contains

form

account

location

#1

The

the

end

and

reason

the

controls

travelled

device

wires

of

each

to

the

for
for

seven
column

of the

come

the

wire

of

force

make

end

locating

the

used
solenoids

of

dots

tungsten

the

top

from

head.

requires

needed

a

dot

by

the

of

the

amount

to

head
the

do

that

on

dot

each

The

on

the

wires

wires

of

the

impact

move

the

paper.

wires

and

solenoid

solenoid

length

about

to

move

paper)

is

approximately

is

about

closer

force

printing

the

in

the

and

of

these

one

ounce

the

is

0.006

absorbed

tungsten

The

head

#7

controls

are

wires
of

wires

about

inch

than

by

of

the

wires

position

are

shown

positioned

is

force

0.015
12

ounces.

0.015-inch,

from

0.015
the

inch

ribbon

of

the

to

inch

the

in

Figure
pact.
voltage
to

about
ginning
before
an

additional
the

paper.

retract

The

electrical

4-7.

The

voltage

is

about

+30

volts

of the

the

wire

Approximately

to

its

As

shown,

used

+35

when

450

microsecond

starts

300

microseconds

normal

timing

a

to

to

+38

all

to

move

500

position.

and

450

microsecond

drive

volts
pins

the

are

drive

in

is

microseconds

mechanical

solenoids

when

each
required

the
engaged
pulse,

solenoid.

4-20

movement

pulse

is

pins

at

about

before
more

are

the

are

of

is

used

+35

volts

in

an

same

200

microseconds

Once

the

the

wire

required

the

wires

to

complete

unregulated.

idle

time.

state,

wire

makes

for

is

From

is

starts

an

impact

the

shown
the

This

but

drops

the

be-

required

moving,

wire

to

im-

on

F

Ims

——

MOTION

DISCHARGE

4.6.5

4.6.5.1

SOLENOID
DRIVE

PULSES

OF

WIRE

OF

CURRENT

POWER

Solenoid

‘O15

oo

DRIVER

450HS

"

Figure

CIRCUITS

Drivers

OUT

275,

| |

4-7.

|

be

PRINT

BACK

HEAD

|

TIMING

:

|

|

a.

Driver

The

applied

verted,

the

Since

the

described.

Referring

indicating

through

condition),
The
diode
developing

Circuit

wire

solenoid

same manner,

current

ORed

to

amplified

all

solenoid

to

an

R4.

CR3.

a

the

in

Power

active

If

the
through

This

voltage

outputs

solenoid

and

each

driver

only

Driver

CR40

current

+5V

from

power

used

head.

circuits

the

first

schematic

condition

is

back-biased

flows

Q3

then
causes
of

approximately

the

character

driver

to

generate

one,

for

into
develops
Q2

and

generator

circuits

current

are

identical

controlled

#63002275,

solenoid

(which

the

base

a

+5V

Q1

to

act

3.8V

where

pulses

when

#1,

is

the

of

Q3

level

as

across

CG1-CG7

they

and

by

CG1

CG1

current

normal

turning

across

emitter

Rl.

are

for

firing

operate

will

goes
flows

operating

it
Zener
followers,

Resistor

are

in-

in

be

high

on.

R2

limits

power

dissipation

in

4-21

Q2.

The

3.8V

across

Rl

allows

approximately

a

2.5

amp

current

flow
through
on,

Ql.

through
the

When
When
The

with

quarter-wave
shown

solenoid

the

inductance

Transistor

the

active

CG1

goes

Q1

turns

value

the

inductance

in

Figure

solenoid

region

of

Cl

of

#1

of

Q1

is

and

inactive

off,

the

is

chosen

the

4-8.

and

transistor
the
saturated

reaches

limits

low,
solenoid

of

the

resonant

solenoid

at

approximately

the

current

Q3

turns

current

to

act

asaparallel

solenoid.

frequency.

Q1.
prevents

this

off,

When

time.

flows

Diode

A

Q1

current

2.5

to

this

turning

CR2

waveform

is

first

flow
When current
amps,

through

reasonant

value.

off

allows

diagram

Q1

Q2
CR2

only

turned
through

goes

and

and

circuit

flow

into

Q1.

Cl.

a

is

VOLTAGE

+30V

CURRENT

Figure

0

4-8.

b~——

—o|2.

So

POWER

3508

5AMPSlao—

DRIVER

——=

\

WAVEFORM

4.22

b.

Capacitor

Discharge

Circuits

c.

After
60

volts
R61,
so
the
a

Shut-Off

Diodes
tied
the
flowing
Q32
shunt
shut

put

R62,

that

next

time

together

+5

is

off;

drops

C1,

C2,

because

R64,

the

discharge.

constant

Circuit

CR40,

volt

through

shut

current

however,

before

C3,

C4,

of

R65,

capacitors

of

about

CR41,

and

supply

off.

away

CR42,

connected

closes

CR35

In

from
it

the

C6,

C7

the

discharging

R66

and

will

The

value
275

CR43,

relay

and

into

this

condition

the

is

characteristic

30

volt supply

and

C8

have

solenoid

R67

serve

be

ata30
of

the

microseconds

CR44,

to

Q32.

Kl.

the

base

solenoid

output.

charged

to

bleed

volt

resistor

results.

CR45,
When
This

diodes
drivers.

CR39
the
prohibits

of

Q32,

that

to

current,

off

this

bias

at

is

chosen

have

printer

thereby

CR39

through

When

the5volt

approximately

resistors

charge

the

time

of

so

that

their

current

the

cathodes

is

turned

ensuring

CR45

machine

supply

from

cannot

on,

that

is

out-

4.6.5.2

transmitted

The

clutch

'

is

applied

Driver

Forward

Power

card,

When

R47

and

connects

diodes
firing

are

also

CR37
will

for

from

is

controlled

via

the

the

this

happens,

CR35

the

CR39
during

into

bases

through

power

attachedtothe

and

CR38.

release

Clutch

moving

the

optional

output

main

and

Driver

the

drive

byalow

of

which

Kl

opens,

the

base

of

all

CR45,
turn

Therefore,

paper

print

Motor

movement

head

motor

CIP

Control

activates

allowing

of

Q32,

the

solenoid

preventing

off.

The

the

thereby

drivers

any

Clutch

collectorofQ32

during

from

to

an

signal

power

will

left

electromechanical

from

board

the

clutch.

turn

be

inhibited.

to

the

toadriver

current

saturating

of

the

and

Line

through

off,

right

logic

to

to

ground

solenoids

Feed

diodes

the

across

clutch

board.

circuit

flow

through

Q32.

through

from

Drivers

CR36,

clutches

the

page

mechanism.

This

on

This

signal

the

is

Power

4-23

R42
of

to

CR31.

Signal

be

shunted
When

CIP

is

normally

through

signal CIP

CR31
goes

low

thereby

to

ground.

active

high,

causing
Diode

CR31

the

CR30

offsets

becomes

current

back

flowing

the

diode

biased,

through

drop

causing
current
is

back
current
flows
by

R40.

path

4.6.5.3

from
logic board
board,

clutch

to
biased.
to

through

When

until

Reverse

Power

the

main drive

unaffected

The

driver

flow

flow

the

through

through

and

CIP

magnetic

for

directly

reverse

except

This

goes

Clutch

current

activates

low,

moving

motor

controls

by

the

clutch

that

CR30,

Q29

field

Driver

the

optional

R49,
causes

and

R41.

the

forward

Q29

and

of

print

toareverse

the

driver

it

is

controlled

and

transistors

The

Q28

the

forward

head

clutch

reverse

motor

operation

transistor

current

clutch.

turn

off.

clutch

from

control

right

mechanism.

clutch

is

by

signal

Q29,

Q29

and Q28

flowing

The

clutch

Diode

is

to

driver

circuit.

identical

CIR

provided

to

through

current

CR29

dissipated.

left

on

provides

is

Signal

the

to

that

instead

that
saturate,

transmitted

Power

Q28

CIR

of

of

diode

also

is

a

from
Driver

the
CIP.

CR37

and

limited

current

the

forward

4.7

PAPER

line

feed,

paper
activates
feed

for

feed

is
before

to

tractors.

single

option.

generated

MOVEMENT

Three

form

move

a

clutch

For

each line

line

another

separate

feed,

by

activating

feeds

the

At

to

allow

paper

printer

and

that

feed
and

end

the

movement

functions

vertical

the

Paper

mechanically

operation,

approximately

this

of

clutch

interval

pawl

operation

tab.

Movement

links

the

and

can

cause

Each of

the

solenoid

50

milliseconds

60-90

one

clutch

is

allowed.

a

paper

these
Solenoid
form

feed

is

millisecond

mechanism

movement

functions

(PMSOL),

motor

energized

for

the

to

causes

which

to

the

15

double

line

return

operation:

the

in

turn

paper-

milliseconds

line

feed

home

delay

4-24

In

response

toaform feed

or

vertical

tab

command,

a

dc

level

is

applied

paper
channel
described

dition

time-out

In

the

factory-adjusted

paper

mediately

FAULT

to

12

input

to

the

movement

of

the

in

To

prevent

which

circuit.

standard

is

still

deactivated,

line

to

As

an
seconds
to

LSI

solenoid,
is

terminated

vertical

Section

the

would

waste
This

101AL

for

advancing,

the

interface

option,
via

R38

chip

ME5.

allowing

when

format

4.7.4.

printer

both

circuit

printer,

approximately

terminating

the

paper

from

time

the

line

connectorisactivated.

the

paper

which

controls

continuous
a

hole

tape.

“hanging

and

is

activated

Paper

6-9

feed

the

time-out

the

movement

is

detected
The

up"

paper,

LSI

by

Time-Out

seconds.

solenoid

paper

movement

interval

Low-Frequency

|

of

the

in

the

operation

inapaper

chip5contains

any

paper

(PMTO)

If,

at

command

can

of

movement

interval

the

(PMSOL)

operation,

be

adjusted

Oscillator

paper.

appropriate

the

VFU

movement

a

paper-

command.

jis

end

of

this

is

im-

and

from

(LFOC)

This

is

con-

time,

the

2

4.7.1

three

LINE

conditions:

The

(1)

FEED

line

After

is

clutch

(2)

Receivingaline feed

the
the

(3)

Pressing

this

ME5

triggers

(Figure

feed

4-9)

operation

printingaline

disabled,

not

signal

line

feed

trailing

switch

generates

the

the

edge

LINE

causes

a

LF

can

to

El

CIP,

character

triggers

of

which

FEED

REMLF

5-10

one-shot.

be

of

characters

E2

code

and

switch

to

usec

generated

connected)

is

the

LF

(octal

generates

triggers

on

go

low.

CSLF

pulse,

by

any

(if

the

then

one-shot.

012)-LSI

a

5-10

the

LF

the

operator

This

the

of

the

following

automatic

low-going

the

|

chip

ME5

usec

one-shot.

CSLF

panel-Pressing

low

input

trailing

to

edge

line

feed

forward

decodes

pulse,

LSI

chip

of

which

4-25

is

adjustable.

The

width

In

of

the

the

LF

pulse

standard

generated

101AL

printer,

by

any
R22

of
and

these

R23

three

are

conditions

not

used

and
jumper
a

15

millisecond

the

operator
are

R23
an

open

to

provide

line

feed"
R83.
15

activates

edge

During

With

millisecond

of

4.7.2

E5

to

If

used.
circuit

a

While

the

PMSOL

both

FORM

E6

is

LF

the

double

panel

With

and

50

millisecond
position,
the

switch
LF

pulse.

LF

is

line

triggers

the

LF

FEED

(Figure

connected.

pulse

is

the
R19

DLF

high,

feed

line

used,

switch
has

goes

in

this

solenoid

is

LSI

the

and

DLYLF

4-10)

In

generated.

feed

option

then

in

no

effect

LF

pulse.

to

+5V,

position,

chip

60-90

intervals,

this

configuration,

controlled

jumper

the

ME5

via

E4

to

"double

on

pulse

When

placing

R19

generatesalow

the

Power

millisecond

the

E5

is

line

width.

the

switch

R19

should

Driver

Delay

printer

R19

by

an

connected

feed"

in

parallel

be

adjusted

PMSOL

board.

Line

remains

is

optional

position,

R22

should

is

placed

Feed

adjusted

switch

and

R22

be

in

with

to

provide

signal

The

trailing

interval

busy.

so

and

DLF

adjusted

the

R82

which

DLYLF.

that

on

jis

"single

and

a

two

conditions:

A

(1)

(2)

form

feed

Operation

Receivingaform

the

form

activate

(E10-E11),

Pressing

generates
a

low

PMSOL

feed

the

the

the

a

can

feed

character

line

line

TOP

OF

low

TOFSW

signal.

feed

is

FORM

be

generated

code

and

solenoid.

printed

switch

signal

(octal

generates

before

on

causing

by

either

014)-LSI

a

low

If

the

DSC

PMSOL

the

operator

LSI

chip

of

the

chip

ME5

PMSOL

option

is

activated

panel-This

ME9

to

following

decodes

signal

is

used

generate

to

4-26

—=|

SEE

NOTE

(SEE

SECTION

LF

4.7.1)

PMSOL

DLYLF

BUSY

ACKNLG

__]

NOTE:

|

Figure

|

‘60-90

|

15

MILLISECONDS

50

MILLISECONDS

4-9.

LINE

FOR

FOR

FEED

msS———=J]_

.

0-10

LS——

2.5-5.0

SINGLE
DOUBLE

TIMING

LINE
LINE

1

l

i

Lo

4S

FEED,

FEED

—

_

OPTION

a

busy

condition.

the

paper

activates

dition.

and

the

4.7.3

code

erates

is

VERTICAL

A

(octal

a

printed

The

busy

condition.

The

low

tape.

PMSOL.

For

as

long

Ifapaper

FAULT

vertical

013).

low

PMSOL

line

before

low

PMSOL

This

This

is

TAB

tab
LSI

signal.

PMSOL

PMSOL

This

signal

continues

generates

as

PMSOL

time-out

activated.

(Figure

operation
chip

is

signal

continues

activates

until

a

high

is

active,

is

detected,

4-10)

generated

is

ME5

decodes

If

the

DSC

activated.

initiates

until

the

a

FFH

the

the

option

the

a

hole

line

hole

input

printer

PMSOL

vertical

paper

is

feed

is

detected

to

is

immediately

receiving

by

is

used

movement

detected

solenoid

in

LSI

chip

remains

a

tab

character

(E10-E11),

and

in

and

generates

channel

ME5,

inabusy

which

con-

deactivated

vertical

and

the

line

generates

channel5of

7

tab

gen-

of

de-

a

the

paper

tape.

deactivates

This

PMSOL.

generates

a

high

4-27

FFH

input

to

LSI

chip

ME5,

which

Rev.

A

dition.

For

as

long

as

PMSOL

is

active,

the

printer

remains

inabusy

con-

FORM
VERTICAL

(SEE

FEED

SECTIONS

4.7.2&4.7.3)

FFH

OR

VTH

OR

TAB

PMSOL

DLYLF

pusy

ACKNLG

—_]

(

CL

\ece

90

ns——]___

L__

0-10

pS

2.5-5.0

us|

al

|

|

4.7.4

paper

ment

advances

A

of

to

the

line

feed

tected

schematic

WERTICAL

The

tape

reader,

the

gear

advances

Each

in

channel

paper

Figure

FORMAT

vertical

paper

train

form

of

tape

that

feed

7

until the

the

4-10.

UNIT

format

located

in

drives

the

paper

function

of

the

VFU

amplifier

FORM

unit

on

the VFU

by

paper

next

FEED

(VFU)

the

the

one

advances

tape.

hole

is

AND

upper
is

caused

paper

line

is

shown

VERTICAL

consists

left

feed

and

paper

Similarly,

sensed

in

TAB.

ofastandard

side

of

by

direct

tractors.

the

tape

until

each

in

channel

Figure

4-11.

TIMING

the

printer.

mechanical

Asaresult,

by

one

the

next
vertical
5

of

8-channel

Move-

linkage

sprocket

hole

the

is
tab
paper

each

hole.

de-

function

tape.

4-28

+5V

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paper-time

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DCW2
DCW3
DCW4
DCW5

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During

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strobe

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DCW2+DCW3
DCW4+DCW5
DCW4
DCW5

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pulse

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the

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as

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DCWO0Z

DCW03
DCW04

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Generated

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During

normal

making

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signals

Signal

on

LSI

character

printing

each

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chip

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timing,
related

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if

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DCWO2+DCWO3
DCWO4+DCWO5
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each

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input

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acters,

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the

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character

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next

character

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the

low

02*

clock

chip

three

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the

pulse

to

LSI

the

interval

DSCR

ME9

pin

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condition,

PRIME

CLKTB2

that

printing,

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chip

to

ME9)

the

next

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pulse

shift

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recirculate

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shift

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generatesaCLKTB2

output

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to

the

a

of

DCWO

the

chip

CLKTB2

interval.

reception

active

dummy

location,

the

characters

the

shift

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pulse.

high

pulse

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signal

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pulse.

register

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TB8

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into

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of

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where

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generated

memory
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the

dummy

memory

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shifts

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return

allow.

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turn

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ceived

gets

primed

control

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the

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detected

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mains

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control

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if

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on

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set

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character

limit

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at

either

set

character

character

option

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carriage

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code.

on
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data.

CIPX

the

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until

appears

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return

chip

LSI

clutch

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following

right

the

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at

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the

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switch

memory

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MES

when

the

when
conditions:

limit

detected

activated

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limit

memory

carriage

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feed

line

pin
the

internal

switch

at

output

return

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printer

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memory

the

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switch

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code

E11),

vertical

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not

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ready

to

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the

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Normally,

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control

tab

output

print

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or

dummy

latch

However,

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this

could

form

or

*92

is

is

the

a

same

phase

as

clock

the

internal

output

OSC

to

from

LSI

chip

LSI

4-43

ME9.

ME9.

The

frequency

of

this

@2

clock

CIRX

(Reverse

Clutch)

to

turn

(CIPX

(RTP

SRCL

a

single

clocks

LD

(Light

no

error

left

pulse

Generated
on

the

reverse

Signal

is

high) and

is

low).

(Shift

Generated

CLKTB2

a

dummy

CIRX

Register

pulse

character

Detect)

GeneratedonLSI

in

the

video

limit

generated

switch

by

on

LSI

clutch

goes

the

carriage

Recirculate

on

LSI

is

circuit.

(RTPSW)

the

timing

chip

ME9

after

low

whenever

chip

ME9

generated

into

the

chip

to

ME9

the

fence,

pin

the

is

not

Input)

pin

at

shift

pin

However,

right

then

29.

This

printer

the

forward

activating

38.

A

high

the

end

register.

17.

Signal

if

the

limit

a

switch

latch

of

print

active
has

printed

clutch

the

SRCL

each

LD

(EOPSW)

is

low

is

left

signal

PRIME

is

normally

head

set

within

output

a

line

not

turned

limit

along

interval.

high

travels

with

no

the

is

used

of

switch

with

from

STROBE
chip

data.

on

This

indicating

the

causing
latch

PRIME

milliseconds

seconds

LD

can

(Prime)

Generated

during

(1)

(2)

(3)

Prime

a

loads

dummy

to

go

be

reset

during

the

A

low

The

chip

(jumper

A

line

has

initializes

character.

low.

only

on

LSI

a

Power

following

DCPRM

printer

ME9)

just

of

and

E14

data

gone

This

indicates

by

de-selecting

chip

Prime

input

has

the

to

E15
has

high).

the

ME9

pin
(PWRPRM)

condition:

from

just

LSI

been

Delete

is

not

just

printer

an

error

the

printer.

37.

PRIME

and

chip

selected

Inhibit

connected).

been

printed

logic,

condition.

goes

approximately

ME5.

(a

low

(DELINH)

(CIPX

resets

the

active

SLCT

option

out

shift

The

high
100-400

input

is

of

LSI

register

internal

for

micro-

to

LSI

not

used

chip

LD

100-500

ME9

and

4-44

CSBSY

(Cause

Busy)

dummcy

operation
acter

turn

LSI

OSC

is

generate
LSI

has

code).

chip

(Oscillator

100

chips

GeneratedonLSI

character

is

just

ME5.

Generated

KHz

(min.)

OSCXT

to

(TB8)

not

in

been

The

low

Output)

on

to

to

the

generate

progress.
loaded

chip

is

detected

CSBSY

LSI

chip

200

KHz

interface
clocks

ME9,

This

into

the

signal

ME9,

(max.).

connector.

#1

to

pin

35.

at

the

shift

condition
shift

then

pin

register

generatesalow

25.

Signal

92

used

CSBSY

goes

register

indicates

The

frequency

OSC

is

Signal

interna-ly

OSC

active

output

that

(without

BUSY

inverted

is

by

the

a

output

of

by

also

LSI

low

when

andaPrime

the

132nd

carriage

from

this

system

ME20-6

used

chips.

by

a

char-
re-

clock

to

both

4-45

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5

ADJUSTMENT

PROCEDURES

o.1

justment

5.2

in

the

tained

section

5.2.1

5.2.2

5.2.3

5.2.4

5.2.5

INTRODUCTION

This

MECHANICAL

The
order
in

section

of

each

mechanical

listed

Section

Cover
Carriage

Driving

Spring
Damper

describes

major

ASSEMBLIES

below.

8

of

Drum

mechanical

assemblies

Mechanical

this

manual.

Title

Mechanism

Mechanism

the

operation,

assembly

and

in

their

reference

drawings,

|

removal,
the

Model

and

replacement

101AL

figures

parts

lists,

and

printer.

are

covered

are

Figure

Reference

symbo]

Figure
Figure

Figure

Figure
Figure

ad-

con-

and

Parts

A
HA

HB

HC

HD

5.2.6

9.2./

5.2.8

5.2.9

5.2.10

5.2.11

5.2.12

5.2.13

*Parts

Note:

list

Section

Frame

Paper

Pin

Feed

Form

Feed

Ribbon

Hardware,
Paper
Print

only

5

has

Feed

Unit

Feed

Guide

Head

been

Mechanism

Mechanism

Mechanism

Electrical

and

Associated

updated

for

Assemblies

Revision

Figure

Figure

Figure

Figure

Figure

*Figure

Section

HE

HF

HS

HH

HI

Hd

2

B

C

of

the

Model

101AL

printer.

5-1

5.2.1

COVER

(Figure

A)

5.2.1.1

removable.

5.2.1.2

Operation

All

covers

permit

Removal/Replacement

1.

Pull

outward

2.

3.

assembly

Remove
of

cover,

(A-32)

Remove

and

split

two

corners

(A-3).

cover

standeff

and

ball

front

lock-washers

Before
elevate
clear
front
damaging

nected

63002306-1

driver

internal

and

down,

assembly,

stud

cover

A-27,

A-34

removing

top
printer
cover

ribbon

from

board

access

Procedure

left

rear

(A-39)

(A-19).

assembly

at

and

Note

front

cover

head,

assembly

cables

the

video

Fig.

(See

63002242-1.

cover

(A-7)

with

(A-

(A-26

A-35

assembly

and

to

the

(Refer

assembly

by

internal

5)

by

)

(A-34)

.

Lift

cover

slide

forward

which

amplifier

1-7)

printer,

unscrewing

lock-washer

removing

and

cover

assembly,

(A-6)

the

to

avoid

are

board

the

to

Figure

(A-4)

(A-35).

from

to

con-

power

and

are

8-1)

and

from

screws,

frame

completely

right

each

side

(A-41),

flat

Remove

(HE-1).

cover

nut

washer

at

4.

Disconnect

item

and

5.

Disconnect
right

6.

Remove

7.

To

push,

8.

To

hardware

frame

9.

To

power

9,

and

split

lock

connector,

on

main

screw

remove

remove

reassemble,

pins

from

side

(A-14)

the

(four

base.

Fig.

washer

frame

(A-31)

covers

base

places)

reverse

cable

8-1

from

(HE-1).

from

through

(A-2)

(Refer

base

(A-25),

(A-16)

ground

(A-3,

hinges.

from

at

(A-26),

|

order

Section

(A-2)

(A-34),

from

strap

A-4),

main

of

disassembly

!

on

mating

remove

frame,

(A-34),

Ko

7,

Electronic

by

removing

(A-35)

connector

(A-50).

snap

screw,

and

bracket

rings

disassemble

(A-27)

and

beginning

Cavity

flat

(HJ-46)

(A-21)

remaining

lift

with

63001105-1)

washer

(A-20).

at

rear

and

main

step

8.

COVER
CARRIAGE

MECHANISM

5.2.1.3

of

covers.

just

(A-39),

9.2.2

5.2.2.1

best

left

character.

roller
the

bracket

is
by
The

lock
the

tween
fixed

When

(HE-78)

switch

length

condition
to

carriage

movable

turning

adjustment

knob

eccentric

the

ogic.

right

unit

head
on

and

Adjustments

Side

The

The

covers

For

of

if

required.

CARRIAGE

OQperation

function

and

carriage

(HA-21)

on

(HA-1),

back
an

eccentric

(HA-33)

shaft

bracket

carriage

carriage

a

magnet,

sends

(A-4,

perpendicular

ball

stud

MECHANISM

cf

to

print
return

(HA-9)

and

the

guide

mounted
and

forth

is

determined

is

mounted

after

and

carriage

by

two

is

positioned

mounted

a

signal

A-3)

(A-19)

the

characters

it to

lock

adjustment

carriage

the

has

two

rollers

bar

(HE-8)

on

the

carriage,

up

to1mm

shaft

on
by
on

positioning

screws

on

lower

to

indicate

into

with

nut

(Figure

mechanism

against
starting

two

guide

(upper

and

(0.039-in.).

the

head

the

number

the

left-hand

can

be

(HA-46)

over

the

portion

speed

of

covers,

(A-32)

HA)

the

position

rollers

and

guide

holds

penetration

of

head

in

eliminated

and

positioned

right

of

the

carriage

clips

located

is

to

platen

(upper)

lower)

plate

the

head

This

copies
side

of

relation

by

or

left-hand

carriage,

position

located

in

relation

at

hold

and

after

(HA-26,

(HE-23).

by
adjustment

adjusting

to

be

the

to

platen.

gib

(HA-45)

by

closes

on

ends

the

head

to

move

printing

inside

to

of

walls

base, ad-

standoffs

under

the

head

the

last

(HA-10),aguide

31)

to

hold

The

head

four

run.

carriage

set-screws

screws

knob

reed

the

to

electronic

is

The

and
Play

which

switch

reed

and

made

(HA-32).

head

locks

be-

is

(HA-48).

the

from

(HA-41)

side
the

bracket,
the
holder,

5.2.2.2

portion

belt

ribbon

The

carriage

through

of

the

and

are

The

ribbon

holds

and

Removal/Replacement

A.

the

while

fiber optic

Head

For

removal

5.2.13.2.A.

is

(HA-44)

carriage.

adjustable

guide

ribbon

printing.

moved

and

by

HA-58)

for

roller

at

proper

Bracket

assembly.

and

installation

:

the

through

These

proper

(HA-5),

This

Procedure

main

driving

parts

belt

mounted

position

(HA-50)

assembly

of

9-3

(HA-64)

are

designed

tension

on

and

supports

print

belt

ensures

determines

head,

are

and

the

the

(HA-36).

mounted

to
linear

carriage

refer

absorb

proper
ribbon

print

|

Parts

on

the

shock

alignment.

and

head

tension
cable,

registration.

to

Section

under-

on

on

lamp

CARRIAGE

MECHANISM

Carriage

With

1.
(See

Remove

Remove

Loosen

to
knob

Move

plate.

To

6.

(HA-9)

carriage
next

complete

bracket

head

clear

(HA-32).

AT

LEFT
CARRIAGE

MACHINE.

carriage

install

para.

lock

guide

THIS

REED

carriage,

at

mid

C.).

damper

(HA-50)

knob

roller
Release

POINT,

SWITCH

IS

to

left

position,

unit

by

(HA-33)

(HI-111)

ribbon

CAUTION!

BE

AND

REMOVED

and

reverse

by

removing

CAREFUL

CASE

FROM

remove

above

remove

removing

and

slide

by

turning

from

NOT

(HE-78)

LEFT

it

procedure.

main

screws

ribbon

TO

DAMAGE

SIDE

from

driving

screws

(HA-55).

head

head

guide

WHEN

OF

guide

(HD-29).

back

from

adjusting

roller

bar

belt

and

platen

(HA-5).

guide

Main

To

1.

remove

Driving

Loosen

a.

Release

Belt

belt,

nut

pivoting

(Note

noise,anormal

IS

NEW

nuts,

NOT

(A)

ASSEMBLY

left

Remove

(IT
HOLDER
FOR

Remove

(0.4-in.)

Using

two

Remove

hole

two

nuts

left

in

from screw

base

(HA-36)

perform

(HC-12)

main

pawl

that

spring

washers

NECESSARY

(HA-58)

nut

(HA-44)

open-end

10

millimeter

end

of

of

printer

the

following

and

screw

spring

(part

(HC-10)

may

occurrence).

(HA-64,

TO

REMOVE

ATTACHED

PARTS

INSTALLATION.

from

wrench.

open-end

(HA-43).

belt

to

chassis

(HC-11)

of

to

slowly

suddenly

63, 62)

SCREWS,

TO

UNDERSIDE

screw

Belt

the

right

frame.

steps:

on

HC-1)

tension

unwind

unwind

on

WASHERS

)

(HA-43)

wrenches,

will

by

spring

internal

with

shaft

OF

separate.

feeding

(A)

CARRIAGE

with

remove

drum

by

(HC-1).

intermittently

spring.

considerable

(HA-59)

(HA-41,

a

10

remaining

through

43)

EXCEPT

millimeter

left

AND

Continue

hole

on

to

right

pull

side

entire

of

belt

printer

9-4

to

the

chassis

right

and

feeding
out.

it

through

If

necessary,

(Fig.

the

tabs.

8-3A)

loosen

attached

clutch

to

printer

field

assembly

base

and

CARRIAGE

tabs

(part

feed belt

out

MECHANISM

of

HB-140)

through

5.2.2.3

D.

Guide

1.

Adjustments

A.

To
Guide

l.

To install

with

para.

applying

5.2.4.3.).

Roller

To

remove

may

be

To

remove

and

spring

Adjust

Adjust

(HE-23)
(HA-25)

Detween

plate.

Play

Plate

belt,

and

Guide

guide

replaced

guide

washer

Between

(HE-23)

the

distance

by

loosening

to

allow

upper

reverse

tension

on

Roller

roller

asacomplete

rollers

gap

and

unit,

(HA-19).

Carriage

between

nut
of

lower

above
spring

Unit

from

and

carriage

(HA-29)

0.91

rollers

procedure

of

spring

(HA-10,

remove

assembly.

carriage,

through

bolts

Guide

and

(HA-26,

but

drum

21)

(HA-22).

remove

Bar

(HE-8)

(HA-9)

turning

0.03

mm

HA-31)

first

and

eccentric

(refer

nut

or

guide

start

to

This

(HA-20)

plate

axle

unit

(0.0004-0.0012-in.

and

the

guide

)

B.

C.

The

able

more

guide

by
be

To

Adjust

After

l.

by

tighten

smoothly

To

Adjust

The

1.

from
of

(2.106-in.

carriage,

to

move

than

100

roller

the

manufacturer

readjusted

Play

Between

loosening

positioning

screws

using

Ribbon

eccentric

the

mounting

tangency

on

).

without

on

guide

grams

unit

or

replaced.

screws

gib

and

head

Guide

shaft

roller,

main

bar

(3.5

(HA-21)

prior

Carriage

(HA-46)

(HA-45)

nuts.

adjusting

Roller

(HA-6)

face

of
the

driving

(HE-8)

ounces)

is

adjusted

to

shipping,

and

with

Head

knob

(HA-5)

is

used

the

bracket

dimension

belt

and

guide

tension.

to

Head

Bracket

and

nuts

set-screws

bracket

(HA-32).

to

make

to

should

(HA-36)

the

ifacarriage

(HA-49),

plate
Note,

carriage

(HA-1)

should

with
that

adjust

(HA-48)

should

this

the

be

able

adjustment

farthest

be

53.50

and

be
no
the

(HA-9)

is

to

play

then

to

point

mm

move

9-5

D.

To

Adjust

Tension

of

Main

Driving

Belt

(HA-36)

CARRIAGE

MECHANISM

l.

Remove

main

loosening

of

tension

(HA-43)

No.2for

For

the

following

a.

Main

b.

Carriage

c.

Atapoint

the

deflect

using

d.

When

para.

Ensure

spring

that

drum

nuts

can

with

belt

Model

method:

belt

left.

an

correct

D.1.

driving

(HA-64)

now

10

mm

tension

101

Series,

is

attached

is

at

midway

and

forward

top

of

upward

tension

carriage

tension.

belt

be

(0.4-in.)

start

(HA-36)

and

pushing

made

by

specifications.

apply

to

position,

between

and

belt

upward

pull

equivalent

has

returns

(See

para.

from

down

turning

cpen-end

main

carriage.

belt

(at

spring drum

reverse

9-11

millimeters

to

been

attained,

from

any

5.2.4.3.).

holder

on

belt.

nuts

wrench.

(HA-44)

tension

rest).

assembly

clutches

500

grams,

run-out

(HA-58)

See

on

(0.35-0.

reverse

position

by

Adjustment

on

screw

next

by

the

(17.6

the

(HC-1)

right

step

under

step

on

43-inch)

ounces).

in

9-6

5.2.3

DRIVING

MECHANISM

(Figure

8-3

and

Figure

8-3A)

5.2.3.1

Operation

A.

Motor

Driving

clutches

Drive

power

as

Chain

follows:

intermediate

forward

and

reverse

(HB-22)-intermediate

for

forward
counterclockwise;
counterclockwise.

by

signal,

carriage.

and

pulley

of

gear

(Figure

motor

Motor-intermediate

for

forward

clutch.

reverse

therefore,

When

(HB-63)

|

5-1)

(HB-98)

shaft

clutch.

either

for

is

transmitted

clutch

Motor

with

pulley for

main

HB-98

-

pulley

Looking

forward

driving

MAIN

to

forward

pulley

(HB-30)-pulley

intermediate

(HB-80)-pulley

from

reverse

or

MOTOR

front,

reverse

belt

clutch

rotates

with

pulley

motor

clutch

and

gear

(HB-60)

with

(HB-60)

rotates

actuates

to

move

reverse

(HB-22)-

for

gear

rotates

Figure

HB

-60

REVERSE

5-1.

DRIVE

MODEL

101

MAIN
DRIVE

SERIES

PULLEY

DRIVE

FORWARD
DRIVE

TRAIN

5-/

B.

Clutch

Alinement

and

Function

(Fig.

8-3A)

DRIVING

MECHANISM

Alinement

the

(HB-139)

ofapreload

splined

justment

byaspring

reverse

The

maintaining

Clutch field

its

extend
base.
forward

(HB-141)

is

reverse).
and

preload

C.

Operating

of

printer

(right

followed

armature

is

required.

(HB-144)

driving

armature

torque

shaft

from
When

or

holds

(HB-50)

field
a

reverse

transmitted

When

rotor

is

condition

Conditions,

clutches

condition

is

side),

by

forward

(surface

(HB-142)

Slight

pressing

pulley

hub

(HB-143)

assembly

by

assemblies

signal

the

to

shaft

signal

discontinued,

(HB-60)

drive

(HB-140)

means

is
clutch
splined

current

(surface

Drive

as

the

and

inserts

for

of

sent

field

armature

and

and

to

follows:

order

clutch

to

surface

keyed

tension

against

and

its

into

either

is

prevented

tabs

(HB-140)

from

drive

(See

electronic

assembly,

pulley

stops,
the

armature

surface

Mechanism

Viewed

is-reverse

assembly

rotor

(preload)

the

from

(HB-139).

contact)

(HB-141)

fixed,

splined

the

splined

forward

or

from

Fig.

8-3A,Aand

and

mount

logic

the

(HB-142),

(HB-60)

torque

chain

is

contact).

(Figure

the

clutch

between
no

is

maintained

forward

armature

armature

reverse

rotating

to

the
to

magnetized

and

friction

(forward

between

restored

5-2)

front

assembly

Because

gap

ad-

and

(HB-142).

drive.

about

B)

printer

coil

in

rotor

or

armature

to

initial

of

that

torque

5.2.3.2

Alternate

including

inertia
timing

are

normally

(part

protect

Normal
directly
torque

all

drive

recommended

Removal/Replacement

A.

Main

Steps

Motor

(Retain

1.

Remove

forces
main

of

peaks.

of

motor)

belts

cycle

influenced

on

clutches,

mechanism

all

A.1.

set-screws

are

drive

print

head

These

handled

and

and

time

procedures

(HB-98)

mounting

through

right

and

(HI-29).

exerted

belt

carriage

variations

by

motor

motor.

of

carriage
by
which

parts

Procedure

(With

hardware

A.5.

left-hand

on

(HA-36)

the

use

pulley

alternate

also

should

where

applicable.

covers

are

keyed

timing

and

and

forward

in

the

ofamotor

driver

and

machine

dropping

affect

be

properly

and

rear

and

parts

to

bevel

belts

motor

power

(HB-92)

belt

electronic

if

Figure

gears

(HB-48, and

(HB-98)

and

reverse

transmission

clutch

installed

operating
and

raising

tensions.

adjusting

replacing

HI.

(HI-27)

because

plate

sounds

cavity

motor)

by

belt

of

clutch

route

(HB-98)

to

are

time

of

Therefore,

using

removed)

loosening

49)

2.

Remove
by

removing

right

and

screws

left-hand

(HI-131).

5-8

shaft

bushing

holders

(HI-130,

133)

DRIVING

MECHANISM

LO”

5

5

o

Figure

5-2.

MAIN

MOTOR

DRIVE

AND

DRIVE

HA-36

BELT

(REF)

ARRANGEMENTS

9-9

_

DRIVING

MECHANISM

4.

5.

Steps

6.

Refer

in

steps

8.

Remove

parts.

Loosen

Remove

A.5.

Loosen
up

to

maximum

Remove

printer

mounting

to

Printer

A.8.

Cut

two

possible.

Remove

snap

rings

set-screw

shaft

(HI-103)

through

nut

(HB-19)

travel.

four

base

attaching

(Fig.

bracket

Wiring

through

wires

ground

lug

(HI-19)

A.6.

(HB-9).

A.10.

(red),

attached

(HI-105)

and

are

keyed

and

back

screws

8-1,

item

Diagram

if

No.

on

on

driving

washers

off

in

motor

W18

and

to

both

to

Figure

belt

(HB-17)

2)

and

Section

is

W19

motor.

ends

of

bevel

(HI-104).

HB

tensioner

from

remove

7

for

being

as

close

shaft.

gear

(HI-18).

(part

bolt

underneath

main

motor

|

wiring

replaced.

to

motor

Retain

1)

(HB-18)

the

with

diagram

as

10.

Unsolder

capacitor

Remove

ll.

screws

Main

Motor

When

main

(HB-48)

Remove

l.

(HB-22)

gear

(HB-28,

hardware.

Preparation
to

Installation

Solder

l.

retained
contact.

motor

with

Belt

motor

be

replaced

and

and

(HB-30)

29,

of

two

two

wires

and

bracket

from

four

Removal

is

replaced,

discard

pulley

for

96)

Main

capacitor

capacitor

(yellow)

if

motor

mounting

external

(HB-48)

at

the

same

main

motor

(HB-110/111)

forward

at

front

Motor w/Fan

(HB-13)

clutch
of

wires

on

bracket

washers

it

is

time.

belt

printer.

and

(yellow)

of

step

motor

is

capacitor

being

(HB-9)

(HB-12

recommended

(HB-48)

by

first

by

removing

Retain

Clutch

Plate

from

A.10.

replaced.

by

removing

and

11).

that

between

removing

nut

pulley

(HB-98)

motor

Insulate

to

(HB-13)

the

retain

four

belt

motor

intermediate

and

washers
and

Prior

terminals

points

pulley

mounting

to

of

of

Solder

W18

and

two

W19.

red

wires

(Refer

of

to

9-10

motor

step

(HB-98)

A.7.).

to

red

Insulate

wires,

points

numbers

of

contact.

DRIVING

MECHANISM

Installation

The

(in
e),
in

and

with
Figure

a.

Motor

b.

Motor

c.

Spring

d.

Nuts

Tighten

but

not

Insert

motor

printer)

of

Motor

following
the
to

the

addition

fan

the

(HB)

pulley
pulley

for

for

nut

(HB-112)

order

that

HB-93

Pulley

shaft

to

are

motor

(Part

60

driver

HB-92

overlapping.

into

back

and set

over

Driver

Note

parts
indicated,

of

the

factory

(HB-98).

1).

Hz

or

are

the

pinned

50

(HB-92).

(HB-93).

(HB-112).

so

that

Tighten

of

printer

motor

(HB-92)

to

be

a

through

motor

clutch

delivered

Refer

Hz

(HB-110,

spring

second

(shaft

mounting

added

and

to

coils

check

holes.

and

are

plate

HB-111).

facing

Main

squeeze

nut

(HB-112).

Motor

together,

front

of

Install

and

main

Insert

underneath
are

a.

b.

c.

d.

e.

mounting

performed.

Insert

mounting

Adjust

by

sighting
screws
screws

Tighten

Tighten

Press

alinement
while
mounting

Reinstall

was

removed

belt
serted

(HB-48)

so

new

belt

motor

pulley

bolts

printer.

adjusting

bracket

motor

straight

(HB-12)

parallel

four

nut

(HB-19)

ON/OFF

and

operating.

nuts,

intermediate

in

step

is

over

that

it

(HB-48)

(HB-110,

(HB-17)

Do

bolt

and

and

bracket

of

the

to

the

mounting

Switch

operation

With

if

required.

gear

B.1.

hole

fits

over

over

not

tighten

(HB-18)

turn.

down

mounting

front

bolts

on

adjusting

on

operator

of

switch

(HB-30)

Ensure

when

smaller

intermediate

or

HB-111).

into

main

until

into

Motor

parallel

on

the

top of

bracket

paper

(HB-17).

bolt.

panel

main

motor

OFF

for

that

pulley

gear

pulley

motor

the

side

flangeofmotor

belt

will

to

front

(HB-9)

pan.

of
and

readjust

forward

forward

shaft

of

gear

(HB-22)

through

following

tighten.

paper

two

slotted-head

and

printer

belt

adjusting

clutch

clutch

(HB-103)

(HB-30).

base

steps

pan

aline

to

test

tension

which

pulley

is

(HF-89)

bolt

in-

and

5-11

6.

7.

8.

9.

E.

Forward

part1and

1.

Place
gear

To
View
refer

For

A.6.

Install

other

(HB-60).

adjust

B)

to

final

at

end

eccentric

and

back

paragraph

installation

para.

ribbon

contro] levers

and

Reverse

2,

and

Forward

a.

Clutch

Remove
two

set-screws

clutch

of

pulley

idle

lash

5.2.3.3.C.

5.2.3.2.A.

through

(HI-88,

Clutch

HI)

(HB-139)

spring

(HI-6).

belt

shaft

for

intermediate

of

motor,

extended

90).

Drive

(HI-4)

over

(HB-27)

reverse

pins

Mechanism

on

Slide

off

the

(Fig.

pulley

on

(Refer

sleeve

spring

DRIVING

forward

8-3,

steps

right

(HI-5) by

and

MECHANISM

clutch

part

(HB-30),

A.1.
|

and

left-hand

to

Figure

sleeve.

1,

through

HB,

loosening

Remove

Remove
from

right

Slip

off

(HB-60)

Remove
by

removing

Remove

Loosen

Remove
armature

Slide

key

clutch

(HB-64)

clutch

ribbon

side

pulley

and

intermediate

bushing

screws

sleeve

screws

clutch

(HB-142).

and

To

remove
and
shaft,

reverse

5.2.3.2.E.,

the

field

belt

gear

drive

of

belt

bracket

(HB-62)

(HB-61)

spring

rotor

rotor.

rear

proceed

clutch

removal

assemblies

pulley

(HI-1).

shaft

printer.

(HB-48)

(HB-52)

from

and

(HB-144),

(HB-141)

total

clutch

Step

of

(HB-63)

unit

pulley

(HB-51)

and

shaft.

remove

over

Note

parts

assembly

with

removal

parts

2

below,

forward

(HB-140)

in

by

removing

between

for

from
one

pulley

hub

shaft,

of

the
from

in

paragraph

and

and

and

Step

forward

forward

shaft

washer

(HB-50)
(HB-96).

(HB-60).

(HB-143),

and

forward

its

of

the

then

reverse

main

3.

screws

clutch

clutch

and

remove

(HI-17)

pulley

(HB-30).

(Part

splined

both

2)

9-12

DRIVING

MECHANISM

Reverse

a.

Disengage
pulley

Remove

bracket

from

Remove

Loosen

(HB-60).

Remove

(HB-142).

Slide

key

Forward

Pulley

da.

Cut
and

properly
emerge

coded

Clutch

(HB-139)

belt

(HB-80)

screws

(HB-51)

shaft.

sleeve

set-screws

spring

clutch

(HB-64)

and

(HB-63)

forward

W40

from

rotor

and

Reverse

clutch

(red/blu)

identified

the

wires. (Refer

(HB-49)

and

reverse

(HB-52)

and

slide

(HB-62)

(HB-61),

(HB-144),

(HB-141)

rotor.

Field

Assemblies

field

(See

prior

clutch

to

between

and

two

off

from

hub

assembly

Fig.

to

field

Wiring

intermediate

pulley

washers

bushing

shaft.

and

remove

(HB-143)

over

shaft,

(HB-140)

8-3A).

cut.

assembly

Diagram

(HB-60).

(HB-96)

(HB-53)

reverse

and

wires

Ensure

Note

and

63002333,

shaft

splined

and

remove

and

No.

W39

that

that

join

from

with

pulley

armature

Main

(brn/yel)

wires

two

blue

these

Section

with

bracket

both

Belt

are

wires

color

7)

Cut

reverse

and

W43

properly

emerge

coded

Free

by

71)

from

wires.

mounted

loosening

from

bracket

Slide

(HB-64)

For
clutches

5.2.3.2.E,

main

,

complete

clutch

(brn/grn)

identified

the

(Refer

forward

two

right

away

side

from

belt

assembly

and

main

Steps

When
clutch

by

keys

field

shaft.

assembling

adjusting

(HB-64)

field

(See

prior

clutch

to

and

screws,

of

field

pulley

motor

1,2and

and

shaft

assemblies

assembly

Fig.

8-3A).

to

cut.

field

assembly

Wiring

reverse

washers

main

frame

holder

(HB-63)

replacement

pulley,

3.

Note

forward

parts,

main

motor

spacer

-(HB-109)

(HB-140)

wires

Diagram

field

and

(HE-1)

Ensure

Note

and

63002333,

assemblies

brackets

No.

that

join

and

W34

that

two

sliding

(red/pur)

wires

blue

these

Section

(HE-72,

tabsAandB(Figure

off

slide.

of

forward

reverse

and reverse
begin
pulley

on

steps

assembly

(HB-63),

and

center

Retain

and

of

clutch

of

reverse
paragraph

are

wires

color

7)

(HB-140)

73,

each

8-3A).

key

9-13

F.

Timing

1.

2.

G.

Intermediate

1.

2.

3.

Belts

For

forward

for

forward

use

procedure

For

reverse

in

para.

Remove

nut

(HB-28)

the

pulley

Loosen

apseny"s

HB-48

Pull

out

Php

ea).

HB-24).

(HB-48,

clutch

49)

clutch

in

para.

clutch

E.2.a.

Shaft

through

with

intermediate

and

washers

prior

pulley

two

).

pinned

This

to

(HB-22)

set-screws

pulley

step

belt (HB-48),

(HB-30)

belt

Pulley

shaft

removal.

on

will

by

D.5.

through

(HB-49)

2.c.

(HB-80)

with

(HB-29).

intermediate

(HB-23).

and

shaft

free

remove

removing

7.

removal,

pulley

Slide

Slide

(HB-80)

pulley

DRIVING

intermediate

nut

for

installation.

refer

(HB-30)

belt

shaft

off

toward

(HB-22)

(HB-28)

to

by

(HB-48)

(HB-80)

pulley

front

and

MECHANISM

gear

and

procedure

removing

off

by

belt

of

felt

washers

5.2.3.3

Adjustments

A.

To

(Part

1.

2.

B.

To

Proper

Adjust

of

Torque

Adjust

If

compression
carriage
and

squeeking

clutches.

Adjust

belt

Motor

Motor)

of

by

is

Make
surfaces

Belt

tension

Pulley

these

changing

accelerated, timing

sure

Tension

slip

of

spring

noises

that

of

is

Drive

clutches

tension

will

Note

there

motor

(Timing

obtained

clutches.

(HB-92)

is

of

spring

is

increased

come

is

Belt

under

and

33.3

belt

from

no

oil

HB-48,

the

Motor

oz/in.

(HB-93)

too

receives

forward

on

49)

following

Clutch

through

with

much

and

Plate

nuts

speed

abnormal

reverse

condition:

97.2

oz/in.

(HB-112).

of

shock

When

upper
depression

about

half

300

of
is

grams

belt,

about

(10.6

mid

3

to4mm

oz.)

point

5-14

pressure

between
(0.12

pulleys,

to

0.16-in.).

is

applied

to

belt

DRIVING

MECHANISM

C.

Adjustment

Belt

l.

pulley

of

(HB-48)

(HB-22);

(HB-19)

position

Belt

for

(HB-79)

(HB-48)

forward

(rear)A(HB-75).

horizontally

If

contact

B

(HB-76)

and

re-position

as

in

beginning

Belt

adjust

tensioner

(HB-49)

belt

(HB-34)

tightening

Backlash

Adjustment

belt

between

and

screws

of

motor,

between

clutch;

washers

and

is

by

between,

tension

bracket

is

pushed

screws.

tensions

adjust

(HB-17).

then

adjust

(HB-114)

Make

contacts

not

complete,

loosening

bracket

of

step

by

(front)

up

of

Intermediate

is

motor

belt

tighten

pulley

and

sure

tensionerL(HB-77)

screws

(HB-76).

2.

pulley

loosening

(HB-33)

against

as

follows:

pulley

tension

Adjust

all

(HB-30)

belt

tension

positioning

that

adjust

(HB-79)

Then

(HB-80)

screws

the

belt

Pulley

(HB-110,

by

loosening

bolt

screws

and

pulley

by

belt

is

tensioner

and

repeat

and

reverse

(HB-39,

by

making

completely

(HB-30)

HB-111)

and

nuts

(HB-18)

and

loosening screws

tensioner

pushed

washers

to

change

nuts.

(HB-60)

bracket

down

completely.

bracket

(HB-114)

above

adjustment

pulley

79).

sure

tensioner

before

for

Forward

(rear)

(HB-60);

Position

Clutch

1.

With
with

begin
teeth

a.

b.

the

spur

intermediate

the

following

of

both

Turn

offset

driver

this
there

When

to

shaft

Example

until

by

moving

is

no

screwdriver

rest

after

counterclockwise

2).

ADJUSTING
SLOT
SHAFT

gear

pulley

gears.

idle

play

backlash

no

OF

(HB-27)

on

intermediate

(HB-30)

adjustments

shaft

ceases

gears

foreward

movement

slot

of

backlash

with

(HB-27)

to

exist

adjusting

movement

45

degrees

pulley

at

the

some

clockwise

between

and

backward

between

or

(HB-22)

back

play

gear

shaft

(See

1/8

IS¥

meshed

of

the

printer,

between

the

withascrew-

gears.

by

teeth.

(HB-27)

Example

ofaturn

{J

hand

1)

HB-32

HB-27

|

Determine

until

comes

rotate

NEW

POSITION

(See

(NOT

EXAMPLE

1

NECESSARILY

VERTICAL)

HB-29
HB-31

9-15

AY

EXAMPLE

2

c.

Insert

gear

teeth

maximum

Figure.

a

feeler

foraminimum

gap

of

A)

gauge

0.015-inch

between

gap

(0.30

the

of

sides

0.012-inch
to

0.38

of

mm

DRIVING

two

meshed

through

max.).

MECHANISM

a

(See

HBesay

INSERT

GAUGE

Figure

HERE

A.

GEAR

USE

OF

FEELER

INTERMEDIATE
(HB-30)

GAUGE

FOR

GEAR

BACKLASH

FLAT

gauge

~|

ADJUSTMENT

;

‘48-30

(HB-22)

0.012-0.015-INCH
(0.30-0.38

A

mm)

d.

When
tablished,

a
holding

e.

Complete

(1)

(2)

satisfactory

10

millimeter

correct

re-assembly

Addafew

idle

(See

Forward

main

for

operation.
point,
torque

along

reverse

movement

lock

up nut

open-end
adjusting

drops

shaft

Fig.

motor

intermediate

(HB-27)

8-3)

and

reverse

pulley

gears
of

should

main

clutches.

and

of

of

belt

If

motor

5-16

of
washers

wrench,

screw

the

following

Anderol

and

on

pulley

(HB-48)

motor

operate

is

distributed

shaft

gear

is

(HB-80)

(HB-30)
(HB-28,

while

position

No.

both

belts

turned

with

at

steps:

465

oil

felt

(HB-48,

should

on,

minimum

to

has
29,

the

same

with

washers

without

forward

screwdriver.

to

49)

be

in

at

noise,

been

es-

96),

with

time,

eccentric

(HB-31).

and

position

this

as

strain

and

DRIVING

MECHANISM

Intermediate

1.

Remove

2.

Remove

3.

Remove

manual).

Tilt

machine

expose

Apply

on

counter

Apply

on

idle

clutch

Intermediate

l.

Check

support.

Shaft

all

external

cavity

power

underneath

driver

Anderol

shaft

Anderol

shaft

(HB-30).

Shaft

that

shaft

w/Pulley,

accessory

assembly

board

backwards,

portion

071

No.

w/pulley

Oi1

No.

(HB-27)

Bushings

bushings

Idle

63001105-1

assembly

90

degrees

of

printer.

465totwo

(HB-80).

465

to

two

for

intermediate

-

Lubrication

(HE-7)

Shaft,

covers.

Felt

(Section7of

63002242-1

from

felt

felt

are

secure

Washer

site

washers

washers

gear

Lubrication

manual).

(Section7of

position,

(HB-24)

(HB-31)

for

forward

in

printer

to

located

located

machine

Secure

surfaces
support
inside
terior

Lubricate

(HB-80)

replacement.

Forward

Since

l.

preload
between

both

Bushing

To

ensure

the

following

Tighten

1.
bracket

loose

that

holes

surfaces

shaft

inside

with

and

Reverse

revision

clutches

the

forward

End-Play

smooth

adjustments:

screws

(HB-51).

bushings

contact
prior

of

bushings

hole

of

surfaces

Anderol

Clutches

D

of

(See

rotor

and

(HB-141)

rear

Adjustment

rotation

(HB-52)

by

using

base

frame

to

installation.

bushing.

of

No.

465

(No

this

section

Figure

and

clutch.

(Pre-Load

of

clutch

on

rear

loctite

where

bushings

oi]

Clutch

8-3A),

splined

(forward

of

shaft

prior

covers

Clutch)

shaft

(or

equiv.)

printer.

Avoid

and

loctite

rotates.

intermediate

to

installation

Gap)

installation

there

is

no

armature

(Refer

(HB-50)

clutch) bushing

on

Clean

surrounding

touching

Clean

gap

required

of

(HB-142)

Fig.

(Preload)

outside

in-

shaft

or

new

for

5-3A)

perform

(ip

el)

HB-51).

es

(HB-52)

on

9-17

front

(rear

clutch) bushing

bracket

3.

Insert

pulley

(0.05-0.10

HB-51

flat

gauge

(HB-60).

mm)

between

Maintainagap

and

tighten

spacer

bracket

(HB-62)

of

0.002-0.004-IN.
(0.05-0.10

DRIVING

and

hub

0.002-0.004-in.
to

this

dimension.

MAX

mm)

MECHANISM

of

max.

drive

Figure

5.2.4

5.2.4.1

5.2.4.2

5-3A.

SPRING

Operation

Removal/Replacement

1.

1.

2.

BUSHING

DRUM

Provides

Release

and

screw

Actuate

END-PLAY

(Figure

spring

pawl

spring

(HC-11).

(HC-10)

ADJUSTMENT

HC)

tension

Procedure

paw]

(HC-10)

Note

TOP

to

VIEW

FOR

for

return

by

release

PRELOAD

(with

slowly

spring

of

head.

left

loosening

tension

CLUTCH

cover

SHAFT

nut

step-by-step.

(HB-50)

down)

(HB-12)

3.

4.

Roll

thee

e

HC-6,

Spring
excessive

belt

yt

7

e

(HA-36)

may

noise.

(HC-9)

unwind

off

and

suddenly

pulley

remove

5-18

with

(HC-5).

drum assembly

from

brackets

5.

6.

Drum

shaft

To

assemble,

may

(HC-8).

be

disassembled

reverse

above

by

removing

procedure.

nuts

DRIVING

(HC-9)

MECHANISM

and

5.2.4.3

5.2.5

Adjustments

1.

DAMPER

Spring

tension
to

starting

Main

To
slightly;
Rotate
tension,

Proper

ten
The
motion

Note

with

spring

adjust,

times
purpose

that

main

(HC-11)

(Fiqure

drum

w/main

to

return

position

tension

loosen

this

spring

and

tension

when

of

at

home
pawl

spring

are

loosened

HD)

carriage

nut

will

drum

rotate

will

carriage
the
position,
is

easily

loosening

spring

without

should

(HC-12)

release

(HC-1)

clockwise

be

obtained

is

spring

released from

too

quickly.

(HC-1)

unit

be1to

counterclockwise

positioned

drum

so

at

any

and

the

to

that

once

should

smoothly

other

1.4

back

holding

decrease

by

winding

is

to

11

windings

if

hold

have

from

force.

kg

off

pawl

at

starting

teeth

nut

only

any

(2.2-3.1

screw

(HC-10).

to

increase

tension.

spring

down

carriage

is

about

on

spring

(HC-12)

enough

position

lbs).

(HC-11)

drum

about

position.

maximum.

drum

and

screw

©

5.2.5.1

5.2.5.2

Operation

Dampens

1.

Removal/Replacement

Remove

1.

Loosen
unit

Remove

W

Remove

FP

Remove

WoO

Take

ODO

Remove

N

CO

Remove

return

screws

nut

damper

snap

lid

spring

off

nut

steel

(HD-24)

cylinder

ring

(HD-11)

split

(HD-8).

print

Procedures

(HD-29)

(HD-16)

(HD-10).

pin

washer

head

to

and

back

(HD-1)

by

removing

(HD-9)

(HD-7)

motion.

remove

out
from

and

remove

from

and

complete

center

frame

pin

screws

nut

(HD-8).

packing

unit.

screw

(HD-37).

(HD-21).

(HD-12).

.

(HD-6).

(HD-23).

Remove

5-19

To
of
or

Note

a.

b.

c.

install
cylinder
equiv.

following

Split

spring

Piston

easily

by

hand

When
rod

(HD-2)

packing,

lightly

points

pin

(HD-9)

(HD-10).

Rod

(HD-2)

by

spring

and

releasing.

replacing

moves

reverse
with

of

should

should

(HD-10),

lid

(HD-11),

freely

above

recommended

above

procedure:

not

interfere

be

returned

when

care

in

bushings.

procedure

NYE

pushing

should

DRIVING
DAMPER

and

RHEOLUBE

with

movement

to

normal

down

be

coat

No.

piston

taken

MECHANISM

inside

723-MS,

of

position

rod

that

5.2.5.3

5.2.6

5.2.6.1

on

frame

Adjustments

1.

FRAME

Operation

The

following

of

printer:

1.

Tighten

en

HD-2).

When

lever

paper.

910

replacing

(HD-32),

glue,

(Figure

two

Left-hand
closed

is

to

positioned

center

(HD-1).

Fit

cushion

or

HE)

reed

reed
output

screw

damper
clean

equiv.

switches

switch

signal of

over

(HD-23)

Additional

cushion

contact

and

cap

and

w/case

it.

with

tightening

(HD-33)

surface

(HD-34)

flexible

(HE-78).

RTP

(ready

enough

on

with

using

timing

to

force

may

carriage

alcohol

recommended

This

print)

to

lock

fence

switch

while

hold

piston

stopper
and

|

are

should

damper

rod

sand-

Eastman

located

be

carriage

Right-hand

closed

positioned

Flexible

interrupt
head.

to

reed

output

over

Timing

light

switch

signal

it.

Fence

through

5-20

w/case

of

EOP

(HE-C).

vertical

(HE-78).

(end

of

The

timing

slots

This

print)

for

|

switch

fence

the

when

is

optic

should

carriage

used

to

pick-up

be

is

FRAME

5.2.6.2

Removal/Replacement

A.

The

following

assembly

with

1.

Platen

2.

Left

3.

Damper

order

their

(HE-86) and

chassis

Right

Operator

Rubber

8.

B.

Installation

Fig.

Left

cavity.

Limit

guide

5-3)

removable

but

key

numbers.

(HE-2)

and

right

(HE-86)

(right/unit

Clutch

Stop

Panel

Feet

(HE-24).

plate

Switch

of

Flexible

(Reed)

Procedures

parts

their

Platen
chassis

(HE-92).

(HE-70)

(HE-89)

(HE-63)

w/case

are

locations

Holder

(HE-85).

and

right

and

and

Support

and

(HE-78).

Timing

not

are

chassis

Left

right

Fence

described

on

(HE-3).

Clutch

(HE-90).

guide

63002440

the

Frame

Left

(HE-85).

Stop

plate

(Fig.

inadisassembly/

(HE)

drawing

chassis

(HE-71).

(HE-62)

8-6

for

and

1.

Mount

(HE-55)
(Fig.

be

horizontal

(HE-1)

Mount

(Fig.

Mount

(Fig.

pointing

Insert

clamp

Right

(facing

spring

using

5-3/B)

when

right

clasp

two

and

and

mounted

bracket

5-3/F) and

left

side

5-3/A)

right

(Fig.

side

by

towards

side

5-3/D)

surface

operator).

(Fig.

screws

two

flat

perpendicular

on

left

clamp

two

split

of

flexible

placing

back

of

of

flexible

and

right

of

fence

mounting

5-3/A)

(Fig.

washers

(Fig.

on

5-3/F),

to

bracket

5-3/D)

lockwashers

timing

printer.

fence

mounting

should

|

left

(Fig.

printer

support

fence

hole

(tab

read

bracket

two

split

5-3/E).

machine

using

(Fig.

behind

over

spring

end)

bracket

"THIS

support

lockwashers

Clasp

(HE-55).

two

screws

5-3/B).

clasp

projection

between

(HE-54).

SIDE

should

casting

right

OUT,

RIGHT"

0-21

4.52

inches

(114.8mm)

FRAME

9.2.6.3

Figure

When

step,

abrasion

fence

Adjustments

A.

Positioning

l.

Loosen
tab

fence

printer

this

printing

5-3.

of

FLEXIBLE

adjusting

avoid

to

(side

of

Timing

screws
fence

is

located

casting

dimension

form).

TIMING

Note

timing

surface

emulsion

marked

(Fig.

to

the

(See

adjusts

contact

side

"THIS

Fence

5-3/F)
right

3.10.1

Fig.

FENCE

fence,

MOUNTING,

or

of

SIDE

(Flexible)

on

so

inches

5-3,

for

a

in

next

any

timing

OUT").

clamp

that

the

(78.742

Ref.

5/8-inch

SERIES

(Fig.

first

HE-1).

print

3.1+0.linches
(78.7+2mm)

101

5-3/D)

window

mm)

(Note

margin

from

and

that

pull

of

edge

on

the

of

B.

Parallelism

1.

Secure
been

From

4.52

tthe

fence

applied,

of

the

front

inches

fence.

under

by

tightening

Suspended

edge

(114.8

Do

not

right

Timing

of

mm)

exceed

5-22

clamp,

guide

out

given

when

hardware.

Fence

bar

to

the

dimensions.

correct

(HE-8)

left

(Fig.

and

dimension

5-3)

right

measure

edges

has

of

2.

3.

window

If

parallelism

loosen

left

at

been

Recheck

screws

or

both

obtained.

of

necessary.

and

right

ends.

dimension

bracket

fence

is

not

uniform

washers

(HE-55,

Tighten

from

hardware

edge

maintaining

(Fig.

of

3.10.1

along

5-3),

54)

and

when

printer

entire

(HE-58,

obtain

correct

casting

inches.

length

59)

equal

dimensions

to

Re-adjust,

FRAME

of

fence,

in

either

measurement:

have

first

if

Optic

Head

(No

5.2.13.3.B.)

1.

Set

fibre

37)

on

top

as

close

hand,
head.

Light

5.2.13.3.B.)

1.

Loosen

(See

distance

Maintenance

Timing

no

abrasives).

water.

Static

full

Tighten

Assembly

adjusting

Fig.

fence

CAUTION:

Adjustment/Limit

optic

to

8-12,

from

of

can

locating

head

of

bracket

fence

length

screws,

(No

locating

item

fence

Flexible

be

wiped

For

more

DO

dimension

by

without

ensuring

screws

35) and

(See

Mylar

clean

extensive

NOT

(Reed)

loosening

(Fig.

touching.

that

(Refer

dimension

on

top

Fig.

Timing

USE

Switch

from

adjusting

8-10/26)

fence

also

from

of

video

set

light

5-10).

Fence

using

ANY

micro-wipes

cleaning

ORGANIC

fence)

and

Test

does

to

Fig.

fence)

assembly

Tighten

(Refer

screws

place

run

print

not
5-19).

(Refer

amplifier

screws.

(lint

use

mild

SOLVENTS.

to

face

touch

board

at

soap

para.

(Fig.

of

head

head,

optic

para.

maximum

free,

and

8-12/

by

Proper

1.07-inches

frame
reed

Proper

3

to5mm

fence

location

(HD-22)

switch

location

assembly

(27.2

case

(0.12

of

mm)

is

mounted

itself.

of

to

(HE-C).

left-hand

to

right,

on

(See

right-hand

0.20-in.)

5-23

reed

frame

Figure

reed

to

switch

from

(HE-1),

switch

right

is

machined

to

5-4)

center

from

approximately

surface,

center

last

of

slit

of

case

where

right-hand

is

on

timing

FRAME

/

HET

LEFT

EDGE

OF

PRINTER

LE

Nees

|

27.20

(1.071-IN.)!

CE

\

B

|

HE-78

—

HE-21

HE-22

|

5.2./

5.2./.1

the

paper

pul]

left

plane.

up

and

Figure

G.

Dynamic

This
for
check

The

132-characters

carriage

switch

PAPER

Operation

Paper

and

right

pan

is

(lower)

place

pins

5-4.

LOCATION

Adjustment/Limit

adjustment

the

left-hand

for

smooth

test

for

the

return

FEED

fed

(reed)

manually

returns

MECHANISM

(HF-85).

left

and

of

pin

OF

follows

limit

operation

right-hand

printed.

(CR)

signal,

between

As

right

feed

sprocket

belt

LEFT

(Reed)

the

(reed)

Lines

print

(Figure

the

paper

unit

S

REED

above

of

over

limit

if

head

paper

appears

holes

(HG-19)

SWITCH

Switches

static

switch,

200

(reed)

should

possible,

to

start

HF)

pan

at

of

on

(TOP

settings.

is

single

lines

switch

be

transmitted

to

of

(upper)

paper

paper

the

VIEW)

The

character

per

minute.

is

to

ensure

print

pan

on

same

limit

print

(HF-76)

(front)

corresponding

horizontal

test

ensure

without

position.

and

line

a

(HF-89),

first
out

by

movement

pulling

knob

turning

opposing

direct

paper.

When

setting

(HF-99)

knob

of

paper

serrated

coupling

printing

paper

feed

and

rotate

inacounterclockwise

is

accomplished

coupler

of

serrated

position

knob

knob

(HF-100).

parts

of paper,

(HF-99)

outward.

inaclockwise

motion.

by

serrated

Pulling

and

allows

0-24

move

To

position.

Direct

portion

knob

upward

paper

move

coupling,
of

outward

and

up

or

paper

down,

Paper

knob

inserted

disconnects

downward

down

pull

moves

non-slip

motion

by

up

into

the

of

PAPER

FEED

MECHANISM

5.2./.2

Replacement/Removal

A.

B.

Paper

1.

2.

Pin

(HF-98)

1.

2.

Feed

Pry

out

Remove

knob

Feed

(for

Remove

Remove

Shaft

(HF-99)

Pulley,

on

(HF-5).

3.

Loosen

4.

Loosen

5.

Slide

shaft

chassis

belt

(HH-28).

Knob

cap

(HF-99)

(HF-107)

snap ring

and

FF

Pin

Feed

snap ring

holder,

left

screws

screws

and

(HF-13)

on

to

support

Procedures

(HF-106),

spring

Reader

Ass'y)

(HF-6).

bushing

right

pin

the

right,

(HE-86),

from

(HF-105).

Gear

and

side

on

FF

feed

remove

knob.

collar

(HF-14,

retainer

of

reader

pulley

and

when

(HF-103)

16)

(HF-2,

printer

gear.

(HF-14).

shaft

pin

feed

spring

and

3,

by

removing

is

pulley

Driving

4)

supporting

flush

(HF-14)

(HF-104)

Shaft

screws

with

left

from

5.2./.3

6.

Remove

7.

Remove

gear

8.

Reverse

para.

9.

Cap

retain.

Adjustments

1.

Paper empty

paper
of
and

and

shaft

coupler

(HF-16).

removal

A

and

HF-107)

is

switch

remove

position

completely

(HF-100),

procedures

B

above.

may

require

(PE)

inserted,

is

required,

pin

feed

swtich

to

Eastman

switch

or

(HF-78)

when

remove

cover

accordingly.

the

sleeve

to

install

paper

screws

(HF-87).

right

and

(HF-101)

910,

or

should

terminates.

(HF-88)

Loosen

(Ref.

out.

and

above

loctite

|

function

swtich

Section

loose

assemblies

or

reader

equiv.

normally

If

adjustment

and

washer

nuts

4,

para.

at

to

when

(HF-97)

(HF-81)

4.7.3).

9-25

5.2.8

PIN

FEED

UNIT

(Figure

HG)

5.2.8.1

paper

knob
clockwise.
knobs
feed

HF-99)

to

(HF-99)

(HG-18).

tractors

is

inserting

printer
of

the

form

5.2.8.2

A.

Operation

Pin

feed

tractors,

travel

Direct

vertically

outward

Tractors

Paper

when

coupling

and
are

holders

printer

accomplished
into

opposing

is

operating,

feed

Removal/Replacement

mechanism

Paper

1.

Refer

2.

Remove

paper

Drive

to

left

up
rotate
adjustable

is

of

paper

by

serrated

serrated

is

(Refer

Shaft

paragraph

spring

and

right

or

down.

counterclockwise;

and

(HG-14,

in

use.

feed

To

are

21)

knob

(HG-19)

are

portion

coupler

then

to

Procedure

(HF-98)

5.2.7.2

moved

(HF-100).

by

Figure

(See

(HF-105).

move

locked

and

of

logic

HH).

Fig.

for

provide

paper

to

used

paper

spring

HF)

Removal

down,

move

in

position

to

keep

feed

actuated

When

signals

of

pin

guides

pull

paper

paper

shaft

this

occurs,

affecting

Paper

up,

by

(See

knob

Knob

paper

rotate

fixina

on

pin

(HG-99)

for

feed

Figure

while

function

(HF-99).

3.

4.

5.

6.

7.

8.

9.

10.

11.

Loosen

Loosen

Loosen

Remove

bushing

Loosen

units

and

guide

Loosen

collar

Remove
pin

feed

Lift

units

Remove

extreme

bushing

set-screws

set-screw

set-screw

snap

(HF-3).

two

(HG)

bar

set-screw

to

right.

outside

unit.

and

slide

and

FF

two

right

(HF-3)

ring

fixing

and

slide

(HF-7)

nut

guide

chassis

screws

end

and

(HF-102)

(HF-13)

(HF-15)

(HF-6)

knobs

both
to

(HF-9)

(HF-11)

bar

(right)

(HF-5)

of

driving

retainer

on

on

FF

on

pin

located

(HG-18)

units

the

extreme

on

collar

on

to

left

(HH-81)

from

shaft

(HF-4).

coupler

reader

feed

in

on

on

(HF-8)

right

and

holder

(HF-100).

gear

pulley

front

left

and

driving

right.

end

of

out from
of

printer.

(HF-2)

and

detach

(HF-16).

(HF-14).

of

left-hand

right

shaft

of

guide

guide

located

(HF-98)

bar.

bar

two

pin

holder

pin feed

Slide

of

feed

on

(HF-2),

9-26

12.

13.

Slide

feed

To

reassemble

driving

units

and

shaft

out

of

reverse

(HF-98)

FF

chassis

procedure.

to

the

(right)

right

PIN

through

of

printer.

FEED

two

UNIT

pin

5.2.8.3

Adjustments

A.

Pin

1.

B.

Pin

1.

Feed

Holders

Clearance

activated

and

between

paper

0.06510.015-inch

bending
hinge

Feed

For

as

shaft

a.

they

right angle

pin

Belt

Units

proper

are

(HF-98)

Remove

guide

hole

tension

in

screws

(HG-10).

Witha1.5

set-screws

Rotate
of
under

or

pin

too

eccentric
feed

similar

tight).

Paper

pin

guide

(1.65+0.4

metal

of

pin

of

place

as

on the

follows:

(HG-11)

millimeter

(HG-2)

stop

timing

tension

Tighten

Guide

feed

holders

plates

stopper

feed

holders,

pin

feed

to

(0.059-in.)

on

paper

sleeve

belt

on

Plates

(HG-14,

mm).

guide

remove

units

each

belt

feed

(HG-7).

(Left

(HG-1,

21)

Adjust

located

left

units

bar

plastic

holders

(HG-19)

side,

set-screws.

and

Right)

20)

and

should

be

clearance

just

above

and

right.

iHG-19)

(HF-7

and

belt

driving

paper

allen-wrench,

(HG-1,

Test

(not

so

for
that
too

flexible

spring

0.065
by

top

adjust

loosen

20).

flexibility

they

are

When

(HG),

the

left

Adjust

(1)

(2)

(3)

(4)

paper

Loosen
and

Slide

shaft.

Open

Loosen
pin

left

as

is

and

and

right

follows:

fixing

right

pin

both

two

feed

driving

inserted

(0.078-in.)

5-2/7

on

right,

pin

feed

paper

the

horizontal

knob
feed

stoppers
holders

units

guide

allen-head

pulley

allen-wrench.

pin

feed

difference

plane

(HG-18)

(HG-1,

together

plates

(HG-14,

set-screws

(HG-5)

timing

between

should

at

20).

in

middle

(HG-6)

witha2

belt

units

the

be

minimal.

top

of

of

paper

21).

on

each

millimeter

pins

left

in

C.

Pin

Feed

(5)

Align
stoppers

erence
straight

alignment

(6)

Actual
hand

outward
rotates

(7)

When
fares

Stopper

pins

points

alignment

moving

and
eccentric

left

two

HG-5).

(Maintaining

on

on

pin

edge

of

pins).

each

rotate

and

set-screws

belts

(HG-19)

feed

in

same

supported

can
belt

paper

sleeve

right

pin

5/8-in.

in

holders

horizontal

on

both

be

done

(2)

or

feed

(HG-3).

feed

(HG-6) on

nominal

PIN
FORM

same

(HG-1,

plane,

stoppers

in

two

pull

shaft

belts

both

paper

FEED

FEED

plane.

20),

ways:

paper

(HF-98)

are

UNIT

MECHANISM

for

or

to

knob

aligned,

driving

margin)

(Sight

ref-

insert

check

(1)

by

(HF-99)

which

pulleys

5.2.9

5.2.9.1

1.

FORM

Operation

A.

Form

Loosen

bar

Maintain
chassis

Perform

5.2.6.3.).

Set

tighten

Check
paper.

Recheck

(15.8

FEED

Feed

set-screw

for

pin

0.2-in.

(HE-86).

yiming

left

paper

lock-knob

for

5/8-in.

fence

mm)

nominal.

MECHANISM

Torque

(HF-9)

feed

unit

(5

mm)

Tighten

fence

guide

(HG-18).

(15.8

dimension

(Figure

Transmission

on

pin

(HF-7).

dimension

set-screw.

adjustment,

plate

mm)

(step

HH)

unit

nominal

feed

if

(HG-20)

3)

if

collar

between

required) Refer

(HF-8)

collar

flush

margin

margin

of

is

and

to

collar

print

not

of

guide

left

to

para.

out

5/8-in.

and

on

Torque

feed
following

1.

2.

unit

Motor

of

form

Feed

for

paper

manner:

(HH-71)-motor

FF

Clutch

(HH-81)

(HH-18)-FF

stop

cam

drive

(FF)

drive

Unit

and

FF

Clutch

(HH-23)-FF

(HH-28).

5-28

motor

(Refer

gear

(located

Chassis,

(HH-71)

to

Section

(HH-12).

between
left

inside

idle

is

transmitted

5.2.8)

FF

chassis,

(HH-2)

cam

(HH-14)-gear

gear

(HH-27)

to

pin

in

the

right

-

FF

Clutch

gear

with

with

belt