STAR LaserPrinter 4 - Series Parts List.pdf - STAR - picuall

LaserPrinter 4 Series

PARTS LIST

[SECOND EDITION]

INTRODUCTION

This Parts List contains listings of parts used in the laser printers as shown below. Diagrams are provided with the

listings to aid the service technician in clearly identifying the item to be ordered.

LaserPrinter 4

LaserPrinter 4 StarScript

LaserPrinter 4III

First edition : Feb. 1991 Only LaserPrinter 4

Second edition : Feb. 1992 Add LaserPrinter 4 StarScript and 4III

NOTICE

form whatsoever, without STAR’s express permission is forbid-

den.

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

All efforts have been made to ensure the accuracy of the contents

of this manual at the time of going to press. However, should any

errors be detected, STAR would greatly appreciate being in-

formed of them.

The above notwithstanding, STAR can assume no responsibility

for any errors in this manual.

HOW TO USE PARTS LIST

A. Assembly Location Diagrams. These diagrams

show the locations of major assemblies of the

printer. Their names are identified in rectangular

boxes. Below each box is the number of the Figure

which shows an exploded view of the assembly.

(5) Quantity colum n. The quantity shown in

this column is the number of parts used in the

figure. However, the quantity listed for an assem-

bly indicates the number of that assembly per ma-

chine.

Finding a Parts Number. Refer to the Assembly

Location Diagrams and find the Figure Number of

the assembly of interest. Turn to the page(s), locate

the part on the exploded view, and find its Drawing

Number. Refer to the Parts List on the page facing

the exploded view and find the Drawing Number,

Part Number and quantity required for your type of

machine.

4 ............................................................ LaserPrinter 4

4S ....................................... LaserPrinter 4 StarScript

4III .................................................. LaserPrinter 4III

The letters (RF and AR) in this column indicate that

the quantity of a part is not specified, allowing the

use of the number of parts needed for assembly and

that the quantity cannot be mentioned clearly.

For screws, nuts, washers, retaining rings, pins,

and spacers which are used in all models, Drawing

Numbers that consist of one letter plus two digits

are shown on the exploded diagrams. To identify

these parts locate the Drawing Numbers in the “List

of Standard Fasteners” and find the Part Number(s).

(6) Remarks. When there are differences in the

specifications of the fuse, destinations, etc., the

differences are described in words or indicated by

two letters.

US ....... USA UK ....... United Kingdom

EC ....... EC AS ........ Australia

HK ...... Hong Kong JP ......... Japan

Note: While looking for a Part Number, pay par-

ticular attention to the voltage listed in the

REMARKS column to ensure that the Part

Number selected is for your type of ma-

chine. Immediate shipping or action regard-

ing the part depends on using its correct Part

Number.

The seal number of ROM in main logic board is

described in this column. The “**” mark of a seal

number is variable depending on the software ver-

sion.

(7) Rank. Parts marked “S” are Service Parts.

Service Parts are recommendable for maintenance.

Parts marked “N” are not stock items. They are

produced on a special-order basis.

Parts List pages. The Parts List pages contain the

following columns and information.

(1) Drawing Numbe r column. The first column

shows the Drawing Number of the illustration cor-

responding to the Parts List.

B. List of Standard Fasteners. This list incorporates

screws, nuts, washers and shim washers, retaining

rings, pins, and spacers that are used in all copies

(including optional equipment). These parts have

different Drawing Numbers from the usual Draw-

ing Numbers in each illustration. These parts are

not listed in the part number list corresponding to

the illustration.

(2) Revised Edition Mar k. This column shows

a revision number.

Parts that have been added in the revised edition are

indicated with “#”

Parts that have been abolished in the revised edi-

tion are indicated with “*”.

#1 : First edition

Second editon

C. Numerical Index. There is a Numerical Index at

the end of this catalog; it lists in numerical order

every Part Number contained in the Parts Lists. The

Numerical Index contains the following columns

and information.

*1 : First editon

Second edtion

(3) Part Numbe r. This column shows the Part

Number for the part. This Number must be indi-

cated when ordering the part. The part marked

“NPN” in this column do not have a Part Number

and are not stocked.

(1) Part Number. The first column shows the

Part Number.

(2) Drawing Number column. The second col-

umn lists the Drawing Number for each occurrence

of the part in the illustrations.

(4) Parts Name . Part names must be indicated

when ordering the part.

iii

CONTENTS

ASSEMBLY LOCATION DIAGRAM ............................................... 1

100. EXTERNAL COVERS, PANELS, ETC. ............................................. 4

101. LEFT COVER ASSEMBLY ................................................................ 6

102. UPPER COVER ASSEMBLY ............................................................. 9

103. INTERNAL COVER ASSEMBLY ................................................... 10

104. INTERNAL COMPONENTS ............................................................ 12

105. MACHINE BOTTOM PLATE .......................................................... 14

200. H.V. CONTACT ASSEMBLY .......................................................... 16

240. DRIVE ASSEMBLY .......................................................................... 17

250. ROD ASSEMBLY .............................................................................. 18

340. PICK-UP ROLLER ASSEMBLY ...................................................... 19

350. FEEDER ASSEMBLY ....................................................................... 20

370. FACE-DOWN DELIVERY ASSEMBLY ......................................... 21

810. FIXING ASSEMBLY ........................................................................ 22

930. DC CONTROLLER PCB ASSEMBLY ............................................ 26

941. DENSITY ADJUSTING PCB ASSEMBLY ..................................... 29

950. EPL CARTRIDGE (TONER) ............................................................ 30

970. MAIN CONTROLLER UNIT ............................................................ 31

970B. MAIN CONTROLLER UNIT ............................................................ 33

971. MAIN LOGIC BOARD ..................................................................... 35

972. MAIN LOGIC BOARD ..................................................................... 50

980. H.V. POWER SUPPLY PCB ASSEMBLY ....................................... 64

985. RAM BOARD 1MB/2MB/4MB ........................................................ 66

985B. RAM BOARD 1MB/2MB/4MB ........................................................ 71

986. PS ROM BOARD ............................................................................... 74

987. FONT CARTRIDGE .......................................................................... 79

F10. CASSETTE FEEDER MAIN BODY ................................................ 82

F30. CASSETTE (A4, LGL) ...................................................................... 84

F31. CASSETTE (B5, LTR, EXEC) .......................................................... 86

F32. CASSETTE (ENVELOPE) ................................................................ 88

F90. CASSETTE FEEDER PCB ASSEMBLY .......................................... 90

LIST OF STANDARD FASTENERS ................................................ 91

NUMERICAL INDEX ....................................................................... 96

WIRING SCHEME OF THE PRINTER .......................................... 100

FIGURE- A ASSEMBLY LOCATION DIAGRAM — 1/3

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