Brother MFC 9010CN User Manual

Troubleshooting and routine maintenance
89
C
fUnpack the new toner cartridge. Gently 
shake it from side to side several times 
to distribute the toner evenly inside the 
cartridge.
 
IMPORTANT
• Wait to unpack the new toner cartridge 
until immediately before you put it in the 
machine. If a toner cartridge is left 
unpacked for a long time, the toner life will 
be shortened.
• If an unpacked drum unit is put in direct 
sunlight or room light, the unit may be 
damaged.
 
CAUTION 
HOT SURFACE
Put the...

90
gPull off the protective cover. 
hPut the new toner cartridge firmly into 
the drum unit until you hear it lock into 
place. 
Note
Make sure that you put in the toner 
cartridge properly or it may separate from 
the drum unit.
 
iSlide the 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
 
h
 
K Y MC
 

Troubleshooting and routine maintenance
91
C
jClose the top cover of the machine. 
kPlug the machine’s power cord back into 
the AC power outlet first, and reconnect 
all cables. Turn on the machine’s power 
switch.
Note
DO NOT turn off the machine’s power 
switch or open the top cover until the LCD 
returns to the Ready mode.
 
IMPORTANT
While removing the drum unit, handle it 
carefully because it may contain toner. If 
toner scatters on your hands or clothes, 
wipe or wash it off with cold water at...

92
Note
• There are many factors that determine the 
actual drum life, such as the temperature, 
humidity, type of paper, type of toner used 
and so on. Under ideal conditions, the 
average drum life is estimated at 
approximately 15,000 pages. The actual 
number of pages that your drum will print 
may be significantly less than this 
estimate. Because we have no control 
over the many factors that determine the 
actual drum life, we cannot guarantee a 
minimum number of pages that will be 
printed by...

Troubleshooting and routine maintenance
93
C
Replacing the drum unitsC
IMPORTANT
• While removing the drum unit, handle it 
carefully because it may contain toner. If 
toner scatters on your hands or clothes, 
wipe or wash it off with cold water at once.
• Every time you replace the drum unit, 
clean the inside of the machine. (See 
Routine maintenance on page 72.)
 
aTurn off the machine’s power switch. 
Unplug the power cord from the AC 
power outlet.
bFully open the top cover by lifting up on 
the...

94
IMPORTANT
• We recommend that you place the drum 
unit and toner cartridge assembly on a 
clean, flat surface with a sheet of 
disposable paper or cloth underneath it in 
case you accidentally spill or scatter toner.
• To prevent damage to the machine from 
static electricity, DO NOT touch the 
electrodes shown in the illustration.
 
• Handle the toner cartridge carefully. If 
toner scatters on your hands or clothes, 
wipe or wash it off with cold water at once.
• To avoid print quality problems, DO...

Troubleshooting and routine maintenance
95
C
fPut the toner cartridge firmly into the 
new drum unit until you hear it lock into 
place. 
IMPORTANT
Make sure that you put in the toner 
cartridge properly or it may separate from 
the drum unit.
 
gSlide the 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
hClose the top cover of the machine.
 
h
 
K Y MC
 

96
Resetting the drum counterC
When you replace a drum unit with a new 
one, you need to reset the drum counter by 
completing the following steps:
aPlug the machine’s power cord back into 
the AC power outlet first, and reconnect 
all cables. Turn on the machine’s power 
switch.
bPressMenu, 5, 6.
cPress aorb to choose the color of the 
drum you replaced.
Press OK.
dPress 1 to reset the drum unit counter.
ePress Stop/Exit.
Replacing the belt unitC
Order No. BU-200CL
A new belt unit can print...

Troubleshooting and routine maintenance
97
C
cTake out all the drum unit and toner 
cartridge assemblies.
 
IMPORTANT
• We recommend that you place the drum 
unit and toner cartridge assembly on a 
clean, flat surface with a sheet of 
disposable paper or cloth underneath it in 
case you accidentally spill or scatter toner.
• To prevent damage to the machine from 
static electricity, DO NOT touch the 
electrodes shown in the illustration.
 
• Handle the toner cartridge carefully. If 
toner scatters on...

98
dHold the green handle of the belt unit 
and lift the belt unit up, then pull it out.
IMPORTANT
To avoid print quality problems, DO NOT 
touch the shaded parts shown in the 
illustration.
 
 
   
h