Brother International HL-3400CN Service Manual - Page 145

HL-3400CN

SERVICE

MANUAL

3.3

Service

Mode

Service Mode

is

a

unique

mode

for

the

maintenance

of

the

printer

only,

without

the

video

controller

card.

In

this

mode,

you

can

check

the

operation

status

of

the

printer

engine

Off-

line

and

also

carry

out

maintenance

work

for

each

of

the

printer

components.

Procedure

(8)

Hold

down

the

Mode,

Set

and

V

buttons

and

turn

the

printer

Power

on.

(9)

Using

the

Font,

Continue,

Set

and

V

buttons,

select

the

mode

necessary

for

the

maintenance

work

from

the

test

list

shown

in

Table

5-2.

[

How

to

designate

the

necessary

mode

I

(8)

Press

the

Set

or

V

button

so

that

service

modes

(a),

(b)

and

(c)

show

up

in

sequence

to

be

selected.

After

selecting

the

desired

mode,

execute

the

selected

mode

by

pressing

the

Continue

button.

(10)

Press

the

Font

button

to

exit

the

mode.

(

9

)

(a)

(b)

(c)

SERVICE

MODE

TEST

PRINT

SERVICE

MODE

>NEXT

CARE

INFO

SERVICE

MODE

FACTORY

MODE

5-23

Brother International HL-3400CN Service Manual - Page 145

Service

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