Brother DCP 9045CDN User Manual

Troubleshooting and routine maintenance
93
C
eUsing both hands, gently pull the 
jammed paper out of the fuser unit.
 
fClose the fuser cover (1) and lift the two 
green levers at the left and right hand 
sides.
 
gClose the back cover. 
hPut the drum unit and toner cartridge 
assembly back in the machine.
 
iClose the front cover of the machine. 
1
 

94
Paper is jammed underneath 
Paper Tray 1 or in the fuser unit
C
If the LCD shows Jam Duplex, follow these 
steps:
 
Jam Duplex
aPull the paper tray completely out of the 
machine and check inside the machine.
 
bIf paper is not caught inside the 
machine, check underneath the paper 
tray.
 
Note
DO NOT put the paper tray back in at this 
point.
 
cIf the paper is not caught in the paper 
tray, open the back cover.
 
dPush the grey lever on the left hand 
side (1) to the right.
 
HOT SURFACE 
After you...

Troubleshooting and routine maintenance
95
C
ePull out the jammed paper slowly. 
fReset the grey lever on the left hand 
side (1) back to the original position.
 
gClose the back cover. 
hPut the paper tray firmly back in the 
machine.
Routine maintenanceC
CAUTION 
The drum unit contains toner, so handle it 
carefully. If toner scatters on your hands or 
clothes, wipe or wash it off with cold water 
at once.
 
Cleaning the outside of the 
machineC
CAUTION 
Use neutral detergents. Cleaning with 
volatile...

96
Clean the outside of the machine as 
follows:
C
aTurn off the machine’s power switch. 
Disconnect all cables, and then unplug 
the power cord from the electrical 
socket.
bPull the paper tray completely out of the 
machine.
 
cWipe the outside of the machine with a 
dry, lint-free cloth to remove dust.
 
dRemove anything that is stuck inside the 
paper tray.
eWipe the inside of the paper tray with a 
dry, lint-free cloth to remove dust.
 
fRe-load the paper and put the paper tray 
firmly back in the...

Troubleshooting and routine maintenance
97
C
cIn the ADF unit, clean the white bar (1) 
and the scanner glass strip (2) 
underneath it with a soft lint-free cloth 
moistened with a non-flammable glass 
cleaner.
 
Note
In addition to cleaning the scanner glass 
and glass strip with a non-flammable glass 
cleaner, run your finger tip over the glass 
strip to see if you can feel anything on it. If 
you feel dirt or debris, clean the glass strip 
again concentrating on that area. You may 
need to repeat the...

98
cHold the green handle of the drum unit. 
Lift the drum unit up and then pull it out 
until it stops.
 
dRelease 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.
 
 

Troubleshooting and routine maintenance
99
C
HOT SURFACE 
After you have just used the machine, some 
internal parts of the machine will be 
extremely hot. When you open the front 
cover of the machine, DO NOT touch the 
shaded parts shown in the illustration.
 
 
CAUTION 
Make sure that you use the drum unit 
handles when carrying it. DO NOT hold the 
sides of the drum unit.
  
We recommend that you place the drum 
unit on a clean, flat surface with a piece of 
disposable paper underneath it in case you...

100
eWipe the scanner windows (1) with a 
dry, lint-free cloth.
 
fPut 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
 

Troubleshooting and routine maintenance
101
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. 
gClose the front cover of the machine. 
hPlug the machine’s power cord back into 
the AC electrical socket first,
and reconnect all cables.
Turn on the machine’s power switch.
 

102
Cleaning the corona wiresC
If you have print quality problems, clean the 
corona wires as follows:
aTurn off the machine’s power switch. 
Disconnect all cables, and then unplug 
the power cord from the electrical 
socket.
bPress the front cover release button and 
then open the front cover.
 
cHold the green handle of the drum unit. 
Lift the drum unit up and then pull it out 
until it stops.
 
dUsing their coloured handles to lift them 
out, remove all four toner cartridges 
from the drum unit.