Brother MFC-9120CN - Manual (Page 198)

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When you replace a belt unit with a new
one, you need to reset the belt unit
counter by completing the following
steps:
C
a
Plug the machine’s power cord back into
the AC power outlet first, and reconnect
all cables and telephone line cord. Turn
on the machine’s power switch.
b
(For MFC-9320CW) Press Menu, 8, 4.
(For MFC-9120CN) Press Menu, 6, 4.
c
Press a or b to select Belt Unit.
Press OK.
d
Press 1 to reset the belt unit counter.
e
Press Stop/Exit.
Replacing the waste toner
box
C
Order No. WT-200CL
A new waste toner box can print
approximately 50,000 A4 or Letter size
single-sided pages.
WT Box End Soon message
C
WT Box End Soon
If the LCD shows WT Box End Soon, it
means the waste toner box is near the end of
its life. Buy a new waste toner box and have
it ready before you get a Replace WT Box
message.
Replace WT Box message
C
When the following message appears on the
LCD, you need to replace the waste toner box:
Replace WT Box
IMPORTANT
DO NOT reuse the waste toner box.
WARNING
DO NOT put the waste toner box into a fire.
It could explode.
Be careful not to spill the toner. DO NOT
inhale or allow it to get into your eyes.
a
Turn off the machine’s power switch.
Unplug the telephone line cord first, and
then unplug the power cord from the AC
power outlet.
b
Fully open the top cover by lifting up on
the handle (1).
IMPORTANT
When the scanner is open, you cannot
open the top cover.
1