Cleaning the corona wire
If you have print quality problems or the LCD shows Drum Error, clean the corona wire as follows:
a Leave the machine turned on for 10 minutes for the internal fan to cool the extremely hot parts inside the machine.
b Press the front cover release button and then open the front cover.
Routine maintenance
WARNING
HOT SURFACE
After you have just used the machine, some internal parts of the machine will be extremely hot. Wait for the machine to cool down before you touch the internal parts of the machine.
A
c Take out the drum unit and toner cartridge assembly.
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