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Routine Maintenance
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k Confirm suspected area of the appropriate color drum by using the numbers beside the drum which
relate to the numbers of column.
l Turn the drum unit gear toward you by hand while looking at surface of the suspected area.
m 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
DO NOT clean the surface of the photosensitive drum with a sharp object.