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Routine maintenance
75
A
n Turn the drum unit gear toward you by
hand while looking at the surface of the
suspected area.
o When you have found the mark on the
drum that matches the drum dot check
sheet, wipe the surface of the drum
gently with a cotton swab until the mark
on the surface comes off.
IMPORTANT
• 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.
p Turn the drum unit over by holding the
green handles.