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Clean the Drum Unit
If your printout has dots or other repeating marks at 3.7 in. (94 mm) intervals, the drum may have foreign material, such as glue from a label, stuck on the drum surface.
- Make sure the machine is in Ready mode.
- Press .
- Press [Yes].The machine prints the Drum Dot Check Sheet.
- Press .
- Press and hold to turn off the machine.
- Open the front cover.
- Remove the toner cartridge and drum unit assembly from the machine.
- Push down the green lock lever and take the toner cartridge out of the drum unit.
- Turn the drum unit as shown in the illustration. Make sure that the drum unit gear (1) is on the left side.
- Use the numbered markers next to the drum roller to find the mark on the drum. For example, a dot in column 2 on the check sheet means that there is a mark in drum region “2”.
- Turn the drum unit edge toward you while looking at the drum surface to find the mark.
- IMPORTANT
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- To avoid print quality problems, DO NOT touch the surface of the drum unit, only the edge.
- Wipe the drum unit surface gently with a dry cotton swab until the mark or foreign material on the surface comes off.
- NOTE
- DO NOT clean the surface of the photosensitive drum with a sharp object or any liquids.
- Push the toner cartridge firmly into the drum unit it locks into place.Make sure you put the toner cartridge in correctly or it may separate from the drum unit.
- Reinsert the toner cartridge and drum unit assembly back into the machine.
- Close the front cover of the machine.
- Press to turn on the machine.
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