REPLACING TONER CARTRIDGE AND DRUM UNIT
13-4
MFC 4550/6550MC/7550MC
OP-US-5.0
6)
6) Gently
rock
the
toner
cartridge
from
side
to
side
five
or
six
times.
7)
7) Slide
the
new
toner
cartridge
into
the
opening
on
the
right
hand
side
of
the
drum
unit.
To
ensure
that
the
toner
cartridge
and
the
drum
unit
fit
together
correctly,
make
sure
that
the
toner
cartridge
guide
bar
is
exactly
aligned
with
the
guide
slot
in
the
drum
unit.
8)
8) Gently
turn
the
lever
on
the
toner
cartridge
backward
until
it
stops.
9)
9) Reinstall
the
drum
unit
into
the
machine
and
close
the
top
cover.
Then,
turn
on
the
power
switch
or
plug
in
the
power
cord.
Toner cartridge
Drum unit