Routine maintenance

Cleaning the corona wire

If you are experiencing print quality problems, please clean the corona wire as follows:

1Open the front cover of the printer.

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2Pull out the drum unit and toner cartridge assembly.

CAUTION

•We recommend that you place the drum unit and toner cartridge assembly on a piece of

disposable paper or cloth in case you accidentally spill or scatter toner.

• To prevent damage to the printer from static electricity, do not touch the electrodes shown in the illustrations.

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