Routine Maintenance
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Cleaning the corona wire

If you have print quality problems, cl ean the corona wire as follows:
aPress the front cover release button an d then open the front cover.
bTake out the drum unit and toner cartridge assembly.
CAUTION
We recommend that you put the drum unit an d toner cartridge assembly on a piece of disposab le paper or
cloth in case you accidentally spill or sca tter toner.
To prevent damage to the printer from static electricity, DO NOT touch the electrodes shown in the
illustration.