Cleaning the corona wires- Page 163

Brother MFC-9440CN User's Guide

Table of Contents

USER’S GUIDE MFC-9440CN
Section II Fax
Section VI Appendixes
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Troubleshooting and routine maintenance

147

C

2

Push the drum unit in until it stops.

 

g

Close the front cover of the machine.

 

h

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.

Cleaning the corona wires

C

If you have print quality problems, clean the 
corona wires as follows:

a

Turn off the machine’s power switch. 
Unplug the telephone line cord first, 
disconnect all cables, and then unplug 
the power cord from the AC power 
outlet.

b

Press the front cover release button and 
then open the front cover.

 

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