Cleaning the drum unit- Page 171

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

155

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Turn the drum unit gear toward you by 
hand while looking at the surface of the 
drum (1).

 

i

When you have found the mark on the 
drum that matches the print sample, 
wipe the surface of the drum gently with 
a cotton swab until the dust or paper 
powder on the surface comes off.

 

CAUTION

 

The drum is photosensitive so DO NOT 
touch it with your fingers.

 

 

DO NOT clean the surface of the 
photosensitive drum with a sharp object.

 

 

DO NOT use a scrubbing or wiping motion 
because this might damage the drum.

 

j

Turn the drum unit gear toward you by 
hand to return it to the home position. 
The home position of each drum can be 
identified by matching the number on 
the drum unit gear to the same number 
on the side of the drum unit as shown in 
the illustration. Make sure that the 
number on each of the four drum unit 
gears matches the corresponding 
number on the side of the drum unit.

 

1

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