74
Cleaning the corona wire A
If you have print quality problems, 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.
 
c Take out the drum unit and toner 
cartridge assembly.
 
 
 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.