Brother International HL-3400CN Service Manual - Page 84

HL-3400CN

SERVICE

MANUAL

(3)

Clutches

(Refer

to

Fig.4-31.)

No.

Name

Function

1

Paper

feeding

clutch

To

feed

paper

by

coupling

the

feed

roller

to

the

main

gear

unit

at

the

correct

timing

for

paper

feeding.

2

Registration

clutch

To

transport

paper

by

coupling

the

register

roller

to

the

main

gear

unit

synchronized

with

the

rotation

of

the

transfer

drum.

3

Fuser

clutch

To

drive

the

fusing

rollers

by

coupling

the

fusing

unit

to

the

main

gear

unit.

.

4

Cleaner

clutch

,

To

drive

the

brush

of

the

drum

cleaner

by

coupling

the

cleaner

clutch

to

the

main

gear

unit

at

the

correct

timing

for

drum

cleaning.

5

-

8

Developer

clutch

To

drive

the

magnetic

roller

of

the

desired

color

toner

cartridge

by

coupling

that

toner

cartridge

to

the

developer

gear

unit

during

developing.

9

TR

cam

clutch

To

make

the

transfer

roller

contact

the

transfer

drum

surface

at

the

time

of

the

second

transfer.

10

Cleaner

cam

clutch

To

make

the

drum

cleaner

contact

the

surface

of

the

transfer

roller

at

the

correct

timing

for

drum

cleaning.

NOTE:The

cleaner

cam

clutch

is

identical

to

the

TR

cam

clutch.

Brother International HL-3400CN Service Manual - Page 84

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