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Home > Routine Maintenance > Clean the Machine > Clean the Drum Unit
Clean the Drum Unit
• If your printout has black or white dots or other repeating marks at 3.0 in. (75 mm) intervals, the drum may
have foreign material, such as glue from a label, stuck on the drum surface.
• Before starting the cleaning procedure, see Related Information: Clean the Machine.
1. Make sure the machine is in Ready Mode.
2. Press [Settings] > [All Settings] > [Print Reports] > [Drum Dot Print].
3. Press [Yes].
The machine prints the Drum Dot Check Sheet.
4. Press and hold to turn off the machine.
5. Open the top cover until it locks in the open position.
WARNING
HOT SURFACE
The machine's internal parts will be extremely hot. Wait for the machine to cool down before touching
them.
6. The color of printed dots on the Drum Dot Check Sheet is the color of the drum you should clean. Remove
the toner cartridge and drum unit assembly that matches the color causing the problem.
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