REGULAR MAINTENANCE
14-3
MFC 4550/6550MC/7550MC
OP-US-5.0
2. Clean
the
primary
corona
wire
inside
the
drum
unit
by
gently
sliding
the
tab
from
right
to
left
several
times.
CAUSION
If
you
do
not
position
the
tab
at
the
home
position,
printed
pages
may
have
vertical
stripes.
3. Return
the
tab
to
the
home
position
(
▲
mark
position)
before
reinstalling
the
drum
unit.
4. Install
the
drum
unit
into
the
MFC.
See
the
section
“Replacing
the
Drum
5. Close
the
top
cover.
6. Plug
in
the
power
cord
and
turn
on
the
power
switch.
Packing and Shipping the Machine
Whenever you transport the MFC, use the packing materials that came with your
machine. Also, follow the steps below to pack the MFC or the machine may be
damaged, which will void the MFC’s warranty.
1. Turn off the power switch and unplug the MFC from the AC outlet.
2. Open the top cover.
3. Remove the drum unit assembly. To remove the drum unit, please refer to the
previous section (See page 13-5~7.)
Home Position (
▲
)
Tab
Corona wire