Cleaning the drum unit

Routine maintenance
17
A
 
Handle the toner cartridge carefully. If toner 
scatters on your hands or clothes, 
immediately wipe or wash it off with cold 
water.
 
 
To prevent damage to the machine caused 
by static electricity, DO NOT touch the 
electrodes shown in the illustration.
 
 
c
Clean the corona wire inside the drum 
unit by gently sliding the green tab from 
left to right and right to left several times.
 
Note
Be sure to return the tab to the home 
position (a) (1). If you do not, printed 
pages may have a vertical stripe.
 
d
Put the drum unit and toner cartridge 
assembly back into the machine. Close 
the front cover.
 
Cleaning the drum unit
A
If you have print quality problems, the drum 
may have foreign material, such as glue from 
a label stuck on the drum surface. Follow the 
steps below to solve the problem.
a
Prepare blank A4 or Letter size paper.
b
Make sure the machine is in Ready 
mode.
c
Open the back cover (face-up output 
tray).
 
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