Brother MFC-9420CN - Manual (Page 149)

Chapter C
C - 24
4
Clean the exit roller. This will help to
prevent paper jams at the paper exit and
dirt from appearing on your printouts.
5
Close the back cover.
6
Plug the machine’s power cord back into
the AC power outlet first, and then plug
in the telephone line cord. Turn on the
machine’s power switch.
Cleaning the laser glass
1
Turn off the machine’s power switch.
Unplug the telephone line cord first, and
then unplug the power cord from the AC
power outlet.
2
Open the scanner unit.
3
Open the inside cover so that it latches
under the scanner unit.
4
To release the lock, push the green belt
cartridge lock levers that are on both
sides inwards.
5
Remove the OPC belt cartridge from the
machine.