Brother International HL-3400CN Service Manual - Page 200

HL-3400CN

SERVICE

MANUAL

4.5

Drum

Cleaner

Replacement

Criterion

of

Replacement

The

drum

cleaner

should

be

replaced

with

a

new

one

according

to

the

periodical

maintenance

cycle

set

out

in

Table

6-4.

When

time

is

due

for

replacement

of

the

drum

cleaner,

the

following

message

appears

on

the

control

panel.

LJ

READY

001P

T1

REPLACE

240K

KIT

Purpose

of

Replacement

To

prevent

the

cleaning

efficiency

from

declining

due

to

deterioration

of

the

drum

cleaner.

A

PRECAUTION

When

installing

the

drum

cleaner,

firstly

locate

the

bearing

and

the

bias

pole

into

the

contacts.

Reconfirm

this

connection

prior

to

testing

the

printer.

Necessary

Tools

and

Replacement

Materials

•

Two

or

three

pieces

of

cotton

cloth

for

cleaning.

•

Drum

cleaner

(one

unit)

Work

Procedure

Sequence

of

Disassembling

(1)

Turn

off the

printer.

(2)

Open

the

top

cover.

Sequence

of

Replacement

(1)

Remove

the

cleaner

cover

by

releasing

the

two

hooks.(Fig.6-24)

(hook)

II

Cleaner

cover

/

(hook)

Fig.

6-25

6-29

Brother International HL-3400CN Service Manual - Page 200

hooks.Fig.6-24

Page 200 highlights