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Routine Maintenance
160
5
k Use the numbered markers next to the drum roller to find the mark. For example, a cyan dot in column 2
on the check sheet would mean that there is a mark in the “2” region of the cyan drum.
l Turn the drum unit gear and the edge of the drum unit toward you using both hands while looking at the
surface of the suspected area.
IMPORTANT
• To avoid print quality problems, DO NOT touch the surface of the drum unit.
• Handle the drum unit gear carefully.
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