Brother MFC-9420CN User Manual page 147

WARNING
■
Be careful you do not break the
actuator while cleaning the registration
roller and paper pick-up roller.
■
Make sure you do not put too much
pressure on the registration roller and
paper pick-up roller. This could
damage them and cause poor print
quality.
3
Clean the transfer roller unit and the
transfer roller guide with a dry soft,
lint-free cloth to prevent paper jams.
Troubleshooting and routine maintenance
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 electrical socket first, and then plug
in the telephone line cord. Turn on the
machine's power switch.
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