Brother DCP 9010CN User Manual

Troubleshooting and routine maintenance63
C
Paper is jammed at the back of the 
machine
C
If the LCD shows Jam Rear, a paper jam 
has occurred behind the face-up output tray. 
Follow these steps:
aTurn off the machine. Disconnect all 
cables, and then unplug the power cord 
from the electrical socket. Leave the 
machine turned off for 10 minutes to 
cool down.
bOpen the back cover. 
CAUTION 
HOT SURFACE
After you have just used the machine, some 
internal parts of the machine will be 
extremely hot....

64
Paper is jammed inside the machineC
If the LCD shows Jam Inside, follow these 
steps:
aTurn off the machine. Disconnect all 
cables, and then unplug the power cord 
from the electrical socket.
bFully open the top cover by lifting up on 
the handle (1).
 
CAUTION 
HOT SURFACE
After you have just used the machine, some 
internal parts of the machine will be 
extremely hot. Wait at least 10 minutes for 
the machine to cool down before attempting 
to clear the paper jam.
 
IMPORTANT
When the scanner is...

Troubleshooting and routine maintenance65
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• To avoid print quality problems, DO NOT touch the shaded parts shown in the 
illustrations.
 
 
 
 
dPull out the jammed paper slowly. 
eSlide each drum unit and toner cartridge 
assembly into the machine. Make sure 
that you match the toner cartridge colour 
to the same colour label on the machine. 
Repeat this for all the drum unit and 
toner cartridge assemblies. 
 
 
C-Cyan M-Magenta Y-Yellow K-Black
fClose the top cover.
gPlug the machine’s power cord...

66
Routine maintenanceC
Clean the outside and inside of the machine 
regularly with a dry, lint-free cloth. When you 
replace the toner cartridge or the drum unit, 
make sure that you clean the inside of the 
machine. If printed pages are stained with 
toner, clean the inside of the machine with a 
dry, lint-free cloth.
WARNING 
Use neutral detergents. Cleaning with 
volatile liquids such as thinner or benzine 
will damage the surface of the machine.
  
DO NOT use any flammable substances, 
spray or...

Troubleshooting and routine maintenance67
C
eWipe the inside and the outside of the 
paper tray with a dry, lint-free soft cloth 
to remove dust.
 
fRe-load the paper and put the paper tray 
firmly back in the machine.
gPlug the machine’s power cord back into 
the electrical socket first, and reconnect 
all cables. Turn on the machine.
Cleaning the scanner glassC
aTurn off the machine. Disconnect all 
cables and then unplug the power cord 
from the electrical socket.
bLift the document cover (1).
Clean...

68
Cleaning the LED headsC
WARNING 
DO NOT use any flammable substances, 
spray or organic solvent/liquids containing 
alcohol/ammonia to clean the inside or 
outside of the machine. Doing this may 
cause a fire or electrical shock. For more 
information see Important safety 
instructions  on page 37.
 
IMPORTANT
DO NOT touch the windows of the LED 
heads with your fingers.
 
aBefore you clean the inside of the 
machine, turn off the machine. Unplug 
the power cord from the electrical 
socket.
bFully...

Troubleshooting and routine maintenance69
C
Cleaning the corona wiresC
If you have print quality problems, clean the 
corona wires as follows:
aTurn off the machine. Disconnect all 
cables, and then unplug the power cord 
from the electrical socket.
bFully open the top cover by lifting up on 
the handle (1).
 
IMPORTANT
When the scanner is open, you cannot 
open the top cover.
 
cTake out the drum unit and toner 
cartridge assemblies.
 
IMPORTANT
• We recommend that you place the drum unit and toner...

70
eSlide each drum unit and toner cartridge 
assembly into the machine. Make sure 
that you match the toner cartridge colour 
to the same colour label on the machine. 
 
 
C-Cyan M-Magenta Y-Yellow K-Black
fRepeat stepsc to  e to clean the 
remaining corona wires.
gClose the top cover of the machine.
hPlug the machine’s power cord back into 
the electrical socket first, and then 
reconnect all cables. Turn on the 
machine.
Cleaning the drum unitC
Small spots on the printed pagesC
If your printout has...

Troubleshooting and routine maintenance71
C
cUsing both hands, put one blank sheet 
of paper in the manual feed slot until the 
front edge of the paper touches the 
paper feed roller. Wait until the machine 
automatically feeds the paper. When 
you feel the machine pull in the paper, 
let go.
 
Note
• Make sure that the paper is straight and in the correct position on the manual feed 
slot. If it is not, the paper may not be fed 
correctly, resulting in a paper jam.
• Do not put more than one piece of...

72
Large spots on the printed pagesC
If your printout has coloured spots at 94 mm 
intervals, follow the steps below to solve the 
problem.
aTurn off the machine. Disconnect all 
cables, and then unplug the power cord 
from the electrical socket.
bFully open the top cover by lifting up on 
the handle (1).
 
IMPORTANT
When the scanner is open, you cannot 
open the top cover.
 
cSee the print sample to identify the 
colour causing the problem. The colour 
of the spots is the colour of the drum you 
should...