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SF-7200

SHARP

SERVICE

MANUAL

CODE:00ZSF7200SM/E

MODEL

SF-7200

CONTENTS

[1]

Basic

specifications

Ce

[2]

Unpacking

and

installation

[SP

SUppliOS

<5

ia,

2

ero,

eae

nd

a

aed

Sees

ea

venting.

oe

he

a

AS

hak

ad

Bed

ee,

[4]

External

and

internal

structure

[5]

SF-7200

Copy

process

[6]

Paper

feed

unit

LZ

Aigh

voltage

unit.

cscs

accent

ee

gaia

att

Wad

ake

de

eswcace

«he

Se

Rl

age

bia Bed

Wye

noes

:

[SB]

Optical

system

ecco

casita

neces

ew

sica

es

eeo

anata

waa

Slee

sa

ate

We

hw

eka

Re

ae

{9}

Developing

unit

[10]

FWsing

UNIT

s.r

sce

attire

hil

nes

Se

ae

aie}

gaan

Gaines

wus

Ca

Steg

Ge

bok

[11]

Copy

quality

adjustments

........0

0.00.

c

cece

cnet

e

ese

nee

eneee

ee

[12]

Others:

secs

ces

cca

ec

cade

wet

nee

eae’

Sie

Meave

deb

are

aa

tctann

fe

eee

Maes

aeaeee

‘

(1S)

Maintenance:

oc3

ccs

cdcdse

ease

ween

eS

esas

b

acterca

oat

ed

eceean

te

and

we

ce

a

ecaslel’s

Wadeardtend

i

[14]

Self-diagnosis

and

test

functions........

0.0...

e

ee

eee

eee

eee

eee

eeeeee

:

[15]

Electrical

section

i

2

SHARP

CORPORATION

SF-7200

FEATURES:

The

SF-7200

has

a

moving

original

table

copier

which

is

capable

of

producing

12

(letter

size,

A4)

copies

per

minute.

The

maximum

original

size

is

10"

x

14”

(B4).

Two-step

enlarge/reduce

ratios:

Maximum

enlarge

ratio

up

to

two

times

the

original

image

(four

times

in

area).

Color

copying:

Exchanging

the

developing

unit

enables

you

to

produce

clopies

in

black,

blue,

red,

or

brown.

Automatic

preheat:

In

order

to

save

power

consumption,

the

copier

will

go

into

the

preheat

mode

automatically,

when

the

machine

is

left

unoperated

for

about

20

minutes.

Front

loading

cassette:

It

has

the

front

loading,

two-way

cassette

method.

A

250-sheet

universal

cassette

can

be

loaded

on

the

ma-

chine

on

the

lower

part

of

the

front

cabinet,

it

permits

easier

cassette

mounting.

Not

only

does

this

eliminate

the

cassette

from

projecting

out

from

the

machine,

but

it

also

saves

on

machine

operating

space.

The

manual

paper

feed

tray

also

works

for

a

manual

insertion

of

special

paper

and

single

sheet

two

sided

copying.

Automatic

exposure:

Clear

image

reproduction

is

obtained

automatically.

The

degree

of

exposure

is

determined

by

the

copier,

based

on

the

original

density

and

background

color.

Use

of

the

OPC

drum:

Clam

shell

design:

The

SF-7200

incorporates

a

clam

shell

mechanism

that

permits

easier

access

to

the

internal

mechanisms

for

machine

servicing,

drum

replacement,

and

paper

misfeed

removal.

Self

diagnosis:

The

cause

of

a

machine

malfunction

is

displayed

as

an

alphanumeric

status

code

on

the

multicopy

display.

Test

command

function:

Test

commands

help

to

locate

trouble,

or

check

the

proper

functioning

of

a

component.

Internal

drying

heater:

Drying

heater

is

used

to

prevent

condensation

caused

by

abrupt

temperature

changes.

Keyboard

commands:

Permits

multicopy

of

1

to

99

sheets,

repeated

copy,

and

interrupted

copy

(PAUSE)

during

multicopy

operation.

A

second

multicopy

count

may

be

entered

in

the

Pause

mode.

Using

the

Zero/Diamond

key

displays

the

total

number

of

copies

made.

[1]

Basic

specifications

Type:

Desktop

Copying

system:

Dry-type

electrostatic

plain

paper

copier

Kinds

of

originals:

Sheets,

book,

three

dimensional

objects.

Original

size:

10”

x

14”

(B4),

maximum.

Copy

size:

(Cassette

and

manual

feed)

10”

x

14”

to

8%”

x

5%”

(B4

to

A6)

universal.

(Cassette

feed)

10”

x

14”

to

8%”

x

5%”

(B4

to

AS).

(Manual

feed)

10”

x

14”

to

8%"

x

5%"

(B4

to

A6).

Copy

speed:

(Normal)

8%"

x

11”

to

8%"

x

5%"

(A4

to

AS):

12

copies/minute

10”

x

14”

to

8%"

(B4):

10

copies/minute

(When

in

enlargement

and

reduction)

10”

x

14”

to

8%”

x

5%”

(B4

to

A5):

10

copies/minute

First

copy:

8

seconds.

Warm-up

time:

AO

seconds

at

rated

voltage

and

room

temperature

of

more

than

68

degrees

Fahrenheit

(20

degrees

centi-

grades)

and

relative

humidity

of

65%.

Multicopying:

1

to

99

copies,

10

key

input,

countdown

type,

repeat

and

pause

functions,

and

multicopy

in

the

Pause

mode.

Magnification

ratio:

(Inch

series)

1:2,

1:1.22,

1:1,

1:0.75,

1:0.64

(Metric

series)

1:2,

1:1.22,

1:1,

1:080,

1:0.70

Exposure

system:

Slit

exposure

with

moving

platen

Paper

feed

system:

Single

250-sheet

cassette

automatic

paper

feed

and

manual

paper

feed.

Developing

system:

Two

component

magnetic

brush

development.

Toner

supply:

Automatic

toner

control

system.

Photoconductor:

80¢

OPC

drum

Cleaning

system:

Blade

cleaning

Paper

separation

system:

Separation

sheet

method.

Original

alignment:

Front

side

aligned.

Paper

transfer

system:

Feed

roller.

Charge

system:

Negative

dc

corona.

Transfer

system:

Negative

dc

corona.

|

SF-7200

Discharge

system:

Positive

dc

corona

and

discharge

lamp.

Light

source:

Halogen

lamp

100V

series:

220W

110V

series:

280W

120V

series:

2230W

127V

series:

280W

-

200V

series:

280W

Power

requirements:

100VAC,

50/60Hz

110VAC,

50/60Hz

120VAC,

60Hz

127VAC,

60Hz

200VAC,

50Hz

220VAC,

50/60Hz

240V,

50Hz

Power

consumption:

1.35kW

Fusing

system:

Heat

roller

type

Upper

heat

roller:

Teflon

(R)

(1150W)

Lower

roller:

Silicon

Physical

dimensions:

530(W)

x

490(D)

x

345(H)mm

Weight:

About

44kg

Display

functions:

Ready

(print)

indicator

(green):

On

when

the

copier

is

ready

for

copying.

Preheat

indicator

(red):

Flashes

in

the

preheat

mode.

Multicopy

indicator

(green):

Displays

the

number

of

copies

to

be

made,

normally

set

to

“0”.

Displays

the

total

copy

count

or

the

number

of

copies

already

made.

Displays

the

location

of

a

misfeed

in

the

copier

using

the

silhouette

figure.

Displays

the

status

codes,

and

test

command

num-

bers.

Repeat

indicator

(green):

On

in

the

Repeat

mode.

Pause

indicator

(green):

On

in

the

pause

mode.

Paper

out

indicator

(red):

On

when

the

cassette

is

not

loaded

or

the

cassette

is

out

of

paper.

Toner

indicator

(red):

Flashes

when

the

toner

box

is

empty.

The

copier

stops

immediately

in

the

single

copy

mode.

The

copier

stops

after

completing

the

copy

number

currently

in

the

multicopy

mode.

Maintenance

indicator

(green):

(Flashing

Print

Switch)

On

when

scheduled

maintenance

is

required.

Developer

indicator

(red):

On

when

the

developer

replacement

period

is

reach-

ed.

Flashes

when

the

life

of

the

developer

in

the

tank

expires

(15,000

copies).

1-1

SF-7200

Misfeed

indicator

(red):

On

to

indicate

a

misfeed.

Misfeed

location

indicator:

Indicates,

on

the

multicopy

display,

the

location

of

a

misfeed,

using

sihouette

figure.

;

Auto

exposure

indicator

(green):

On

when

the

automatic

exposure

function

is

active.

Toner

collector

full

indicator

(red):

Flashes

when

the

toner

collector

is

full.

The

copier

stops

immediately

in

the

single

copy

mode.

The

copier

stops

after

completing

the

copy

number

currently

in

the

multicopy

mode.

Magnification

display:

Indicates

the

chosen

magnification

ratio.

Accessories:

Universal

cassette

(w/o

cassette

cover)

x

1

Copy

tray

Charger

cleaner

Charger

brush

Manual

feed

guide

Instruction

manual

Warranty

form

(SCA

only)

Dust

cover

(part

of

Africa

and

Middle

East

only)

Options:

Universal

cassette

with

cover

(SF720UA:

Inch,

SF720UB:

AB)

Cabinet

(SF720D)

Personal

counter

[SF71B

(socket),

SF-71A

(counter)]

SF-7200

[2]

Unpacking

and

installation

1.

Unpacking

(1)

Open

the

carton

in

the

following

sequence.

®

Cut

the

PP

bands.

®

Remove

the

upper

packing

case.

®

Remove

the

top

padding

assy.

®

Remove

the

tape

that

holds

the

four

corners

of

the

bottom

case,

then

open

the

bottom

case.

6

Remove

the

copier

body

from

the

bottom

case.

(Packing

case)

(Accessory

container)

=

Instruction

manual

i

vk

Upper

packing

case

Gi

Paper

receive

tray

j

Manual

feed

guide

>

Top

padding

assy

Accessory

container

Cassette

Accessory

container

Copier

Oil

felt

PP

band

Bottom

packing

case

Taping

SF-7200

2.

Installation

Installation

requirements

Please

note

the

following

requirements

when

installing

the

copier.

(1)

Machine

environment

@

Avoid

installation

in

direct

sunlight

or

bright

locations

near

a

window.

Direct

sunlight

may

cause

the

plastic

components

and

the

original

cover

to

deform.

Frosted

glass

may

also

produce

the

same

effect.

®

Avoid

installation

in

a

hot,

damp

place

or

where

rapid

changes

in

humidity

occur

(for

example;

near

an

air

conditioner).

This

may

cause

paper

to

dampen

or

frost

to

occur

inside

the

copier,

and

may

lead

to

a

misfeed

and

a

deterioration

in

the

copy

quality.

The

recommended

environmental

conditions

are:

20

to

25°C

(68

to

77°F),

65%

+

5%RH

The

nominal!

environmental

conditions

are:

15

to

30°C

(59

to

86°F),

20

to

85%RH.

If

the

copier

is

to

be

installed

in

an

area

of

higher

temperature

the

humidity

should

be

lower.

Example;

If

the

temperature

is

35°C

(95°F),

the

humidity

should

be

65%.

%

RH

|

85

65

Hum

idi

ty

20

15

80

35

=

Temperature

@)

Avoid,

installation

in

a

place

where

dust

or

vibration

is

encountered.

Dust

deposit

inside

the

copier

may

lead

to

a

deteriora-

tion

of

copy

quality

or

machine

trouble.

@

Do

not

install

the

copier

on

an

unstable

or

uneven

surface.

The

copier

must

be

placed

on

a

level

surface

to

permit

proper

functioning.

6)

Avoid

installation

in

a

place

where

ventilation

or

air

circulation

is

poor.

©)

Never

install

the

copier

near

inflammable

materials

or

in

the

presence

of

ammonia

gas.

Installation

near

a

diazo

copy

machine

may

lead

to

a

deterioration

of

copy

quality

or

a

machine

malfunc-

tion.

@)

install

the

copier

near

the

wall

outlet.

(2)

Space

around

the

copier

The

copier

requires

at

least

10cm

of

clearance

between

the

rear

side

and

the

wall.

This

space

is

required

for

proper

cooling

fan

ventilation.

Adequate

working

space

around

the

machine

should

also

be

allowed

for

ease

of

operation.

(3)

Copier

table

Install

the

machine

on

a

level

surface.

Place

a

water

level

in

the

center

of

original

glass

and

check

level

front

to

rear

and

side

to

side.

Use

as

many

adjusting

shims

as

required

until

the

copier

is

level.

NOTE:

The

parts

code

of

the

water

level

is

UKOGM0054-

CCZZ.

Thickness:

Imm

Height

adjusting

shim

(PSRA-0002FCZZ)

NOTE:

The

toner

density

and

copy

quality

may

be

affected

unless

the

machine

is

installed

in

a

level

condition.

(4)

Power

source

®

The

power

supply

line

should

have

a

capacity

of

more

than

15A,

capable

of

supplying

more

than

90%

of

the

rated

voltage

at

full

load.

@

Do

not

use

an

extension

cord

or

operate

any

other

equipment

from

the

same

wall

outlet.

(5)

Ground

connection

®D

Use

a

properly

grounded

(three

prong)

wall

outlet

only.

@®

Wall

outlet

must

be

properly

grounded.

©)

Connect

the

ground

cable

to

an

authorized

ground

line

connected

to

3

copper

bar

more

than

65cm

(25.6”)

buried

underground,

but

never

connect

it

to

a

gas

line.

3.

Installing

Supplies

and

Components

(1)

Cleaning

the

corona

wire

(@

Unlock

the

developing

unit

access

cover

lock

lever,

and

remove

the

developing

unit.

2)

Open

the

clam

shell.

@)

Remove

the

drum

holder

unit

from

the

copier.

Main

corona

unit

Remove

the

green

screw.

Drum

holder

unit

@®

Remove

the

transfer

corona

unit.

Transfer

corona

unit

SF-7200

@)

Remove

the

discharge

corona

unit.

NOTE:

Use

Caution

to

avoid

drum

damage.

Drum

holder

unit

743

emove

the

green

screw.

6)

Clean

the

corona

wire

with

the

corona

wire

cleaner.

(2)

Installing

the

drum

and

the

cleaner

blade

(1)

Unlock

the

developing

unit

access

cover

lock

lever,

and

remove

the

developing

unit.

(2)

Open

the

clam

shell.

(3)

Remove

the

drum

holder

unit

from

the

copier.

Drum

holder

unit

(4)

Remove

the

cleaner

blade

tension

screw

to

release

the

cleaner

blade

tension

and

remove

the

blade

cover.

(2

screw)

Raat

lever

in

the

arrow

direction

until

it

hits

the

screw,

then

secure

the

cleaner

blade

with

the

screw.

‘(Drum

holder

unit

front

frame

side}

(Drum

holder

unit

rear

frame

side)

Tighten

the

cleaner

blade

securing

screw

with

care

not

to

move

the

cleaner

blade

holding

shaft.

:

(©)

Remove

the

drum

holding

shaft

from

the

drum

hoider

unit.

To

remove

the

drum

holding

shaft,

remove

two

screws

that

secure

the

drum

unit,

and

turn

the

shaft

counterclockwise,

then

pull

the

unit

out.

©)

Install

the

cleaner

blade

to

the

drum

holder

unit

clean-

er

shaft

and

replace

the

Blade

Cover.

Blade

cover

Remove

the

drum

protect

sheet.

Take

note

of

the

drum

number.

Drum

holding

shaft

@®

Take

note

of

the

drum

number

on

the

front

frame

end

of

the

drum,

Peel

away

the

drum

protection

sheet

from

the

drum

surface

and

mount

the

drum

in

the

drum

unit.

NOTE:

The

white

powder

found

on

the

cleaning

blade

and

the

drum

surface

is

used

to

reduce

friction

between

these

two

parts.

Do

not

remove

the

white

powder.

Replace

the

drum

holding

shaft

in

the

drum

holder

unit.

@)

Apply

tension

to

the

cleaner

blade.

Push

the

cleaner

blade

tension

lever

in

the

arrow

direction

until

it

hits

the

screw,

then

secure

the

cleaner

blade

with

the

screw.

(Drum

holder

unit

front

frame

side)

\

(Drum

holder

unit

rear

frame

side)

Tighten

the

cleaner

blade

securing

screw

with

care

not

to

move

the

cleaner

blade

holding

shaft.

(0)

Install

the

drum

holder

unit

along

the

guide.

Blade

cover

Chassis.

Drum

holder

unit

iz

SF-7200

@)

Install

the

toner

collect

bag

to

the

waste

toner

collect

box.

Open

the

toner

collect

bag

to

install.

Toner

collect

bag

Waste

toner

collect

box

@®

Install

the

toner

collect

container.

(3)

Installing

the

developer

and

toner

@

Release

the

developing

unit

lock

fever

and

pull

out

the

developing

unit.

DV

unit

accessing

lever

Developing

unit

@)

Hold

the

developing

unit

handle

and

lift

it

out

from

the

developing

unit

mount.

4

DV

unit

handle

Developing

unit

DV

unit

mounting

bracket

2-65

SF-7200

8

Remove

the

toner

hopper

from

the

developing

unit.

@)

Pour

an

entire

bottle

of

the

developer

into

the

develop-

ing

unit

while

rotating

the

MG

gear

counterclockwise.

Use

the

MG

crank

handle

UKOG-0091CSZZ.

——

Toner

hopper

Remove

Developing

unit

e)

MG

roller

crank

handle

co

©

Replace

the

toner

hopper

on

the

developing

unit.

(8)

Place

the

developing

unit

on

the

developing

unit

mount.

(

Open

the

toner

hopper

cover

and

set

the

toner

cart-

ridge

on

the

toner

hopper.

(Open

the

toner

hopper

cover)

Toner

cartridge

(Installing

the

toner

cartridge)

Toner

cartridge

Evenly

load

the

contents

of

the

toner

cartridge

into

the

toner

hopper.

Lightly

tap the

toner

cartridge

in

order

to

empty

all

the

toner

contents.

Toner

cartridge

Seal

@)

Remove

the

toner

cartridge

and

close

the

toner

hopper

cover.

G0)

Close

the

developing

unit

mount,

and

set

the

develop-

ing

unit

lock

lever

to

locked

position.