New ; Old ; You can use only a genuine- Page 185

REPLACING TONER CARTRIDGE AND DRUM UNIT

13-3

MFC 4550/6550MC/7550MC
OP-US-5.0

Maintenance

3)

3) Gently 

turn 

the 

lever 

on 

the 

toner

cartridge 

forward 

until 

it 

stops.The

toner 

cartridge 

can 

not 

be 

removed

unless 

the 

shutter 

is 

completely

closed, 

by 

turning 

the 

lever 

fully 

to

the 

front.

4)

4) Remove 

the 

old 

toner 

cartridge

from 

the 

drum 

unit 

by 

gently

pulling 

it 

out.

WARNING

Handle the toner cartridge
carefully. If toner scatters on your
hands or clothes, immediately

wipe it off or wash it with cold
water.

5)

5) Unpack the new toner cartridge.

Place the used toner cartridge into
the aluminum bag and discard it

according to local regulations.

WARNING

• Wait to unpack the toner

cartridge until immediately
before you install it into the

machine. If a toner cartridge is
left unpacked for a long period
of time, the toner life is

shortened.

• You can use only a genuine

Brother  toner cartridge

(TN-5000PF series) which is
specially formulated to
ensure 

top 

print 

quality.

Using another brand of
toner 

cartridge 

could 

void

your 

machine’s 

warranty.

Toner cartridge

Drum unit

Aluminum bag

New 
toner
cartridge

Old 
toner
cartridge