Brother MFC 9840CDW User Manual

Troubleshooting and routine maintenance
189
C
dHold the green parts of the belt unit with 
both hands and lift the belt unit up, then 
pull it out.
 
CAUTION 
We recommend that you place the belt unit 
on a clean, flat surface with a piece of 
disposable paper underneath it in case you 
accidentally spill or scatter toner.
 
eRemove the waste toner box from the 
machine using the green handle.
 
Note
Discard the used waste toner box 
according to local regulations, keeping it 
separate from domestic...

190
gPut the belt unit back in the machine. 
Match the h mark on the belt unit to the 
g mark on the machine. Push down on 
the green area of the belt unit to lock it in 
place.
 
hPut the drum unit back in the machine as 
follows.
1Make sure that the grey lock 
lever (1) is in the up position and 
put the drum unit in the machine. 
Push down the grey lock lever (1).
1
1
 

Troubleshooting and routine maintenance
191
C
Note
When you put the drum unit in the 
machine, match the green guides (1) of 
the drum unit handle to the green 
arrows (2) on both sides of the machine.
 
   
2Push the drum unit in until it stops. 
iClose the front cover of the machine. 
2
1
2
1
 

192
Packing and shipping 
the machine
C
If for any reason you must move or ship your 
machine, carefully re-pack the machine in the 
original packing material to avoid any 
damage during transport. If you do not pack 
the machine properly, you could void your 
warranty. The machine should be adequately 
insured with the carrier.
If the machine must be shipped, please read 
the instructions in this section which explains 
how to properly prepare your machine for 
transport.
WARNING 
Once your machine has...

Troubleshooting and routine maintenance
193
C
Repacking the machineC
aTurn off the machine’s power switch.
Unplug the telephone line cord first, and 
then unplug the power cord from the AC 
power outlet.
bPush the Scanner Lock Lever down to 
lock the scanner. 
This lever is located on the left of the 
scanner glass.
 
cPress the front cover release button and 
then open the front cover.
 
dHold the green handle of the drum unit. 
Lift the drum unit up and then pull it out 
until it stops.
 
 

194
eRelease the grey lock lever (1) that is on 
the left side of the machine. Lift the front 
of the drum unit and pull the drum unit 
completely out of the machine using the 
green handles on the drum unit.
CAUTION 
Hold the handles of the drum unit when you 
carry it. DO NOT hold the sides of the drum 
unit.
 
 
 
CAUTION 
We recommend that you place the drum 
unit on a clean, flat surface with a piece of 
disposable paper underneath it in case of 
you accidentally spill or scatter toner.
 
fHold the...

Troubleshooting and routine maintenance
195
C
hHold the green parts of the belt unit with 
both hands and lift the belt unit up, then 
pull it out.
 
CAUTION 
We recommend that you place the belt unit 
on a clean, flat surface with a piece of 
disposable paper underneath it in case of 
you accidentally spill or scatter toner.
 
iRemove the waste toner box from the 
machine using the green handle and 
place it into the plastic bag included in 
the carton.
 
jPut the belt unit back in the machine. 
Match...

196
kInsert the original orange packing 
material for locking the belt unit as 
shown in the illustration.
 
lPut a piece of paper (letter or A4) on the 
belt unit to prevent damage to the belt 
unit.
 
mPut the drum unit back in the machine as 
follows.
1Make sure that the grey lock 
lever (1) is in the up position and 
put the drum unit in the machine. 
Push down the grey lock lever (1).
 
1
1
 

Troubleshooting and routine maintenance
197
C
Note
When you put the drum unit in the 
machine, match the green guides (1) of 
the drum unit handle to the green 
arrows (2) on both sides of the machine.
 
 
2Push the drum unit back in until it 
stops.
 
nInsert the original orange packing 
material for the drum unit until as shown 
in the illustration, and then close the 
front cover. 
 
2
1
2
1
 

198
o
Note
We recommend you repack the machine 
on a table or desk.
 
Put the styrofoam piece marked 
“FRONT” (1) into the lower carton (3), so 
that the arrow cutout (4) points toward it. 
Put the styrofoam piece marked “REAR” 
into the lower carton so that the arrow 
cutout (4) points away from it.
 
pUsing two people, place the machine 
into the plastic bag and then into the 
lower carton, matching the “FRONT” 
piece to the front of the machine as 
shown in the illustration in Step o.
qAs shown in the...