Brother MFC 9010CN User Manual

Troubleshooting and routine maintenance
69
C
Paper is jammed at the back of the 
machine
C
If the LCD shows Jam Rear, a paper jam 
occurred behind the face-up output tray. 
Follow these steps:
aTurn off the machines power switch. 
Disconnect all cables, and then unplug 
the power cord from the AC power 
outlet.
bOpen the back cover. 
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...

70
Paper is jammed inside the machineC
If the LCD shows Jam Inside, follow these 
steps:
aTurn off the machine’s power switch. 
Disconnect all cables, and then unplug 
the power cord from the AC power 
outlet. Leave the machine turned off for 
10 minutes to cool down.
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...

Troubleshooting and routine maintenance
71
C
• 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 color 
to the same color 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...

72
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 cleaning materials that 
contain...

Troubleshooting and routine maintenance
73
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 AC power outlet first, and reconnect 
all cables. Turn on the machine’s power 
switch.
Cleaning the scannerC
aTurn off the machine’s power switch. 
Disconnect all cables and then unplug 
the power cord from the AC power 
outlet.
bLift the...

74
Cleaning the LED headsC
WARNING 
DO NOT use cleaning materials that 
contain ammonia, alcohol, any type of 
spray, or any type of flammable substance 
to clean the inside or outside of the 
machine. Doing this may cause a fire or 
electrical shock. Use neutral detergents.
 
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’s power 
switch. Unplug the power cord from the 
AC power outlet.
bFully open the top...

Troubleshooting and routine maintenance
75
C
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 AC power outlet.
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...

76
eSlide each drum unit and toner cartridge 
assembly into the machine. Make sure 
that you match the toner cartridge color 
to the same color 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 AC power outlet first, and then 
reconnect all cables. Turn on the 
machine’s power switch.
Cleaning the drum unitC
Small spots on the printed pagesC
If your...

Troubleshooting and routine maintenance
77
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 
properly, resulting in a paper jam.
• Do not put more than one piece of...

78
Large spots on the printed pagesC
If your printout has colored spots at 3.7 in. 
(94 mm) intervals, follow the steps below to 
solve the problem.
aTurn off the machine’s power switch. 
Disconnect all cables, and then unplug 
the power cord from the AC power 
outlet.
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 color 
causing the problem. The color of the 
spots is the color of...