
Cleaning the corona wire
If you have print quality problems, clean the corona wire as follows:
a Turn off the machine’s power switch. Unplug the telephone line cord first, disconnect all cables, and then unplug the power cord from the AC power outlet.
b Open the front cover and slowly take out the drum unit and toner cartridge assembly.
Troubleshooting and routine maintenance
c Clean the corona wire inside the drum unit by gently sliding the blue tab from right to left and left to right several times.
C
1
Note
Be sure to return the blue 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 in the machine.
IMPORTANT
• We recommend that you place the drum unit and toner cartridge assembly on a clean, flat surface with a sheet of disposable paper or cloth underneath it in case you accidentally spill or scatter toner.
• Handle the toner cartridge carefully. If | e Close the front cover. | ||
toner scatters on your hands or clothes, | |||
wipe or wash it off with cold water at once. |
| ||
• To prevent damage to the machine |
| ||
caused by static electricity, DO NOT touch |
| ||
the electrodes shown in the illustration. |
| ||
|
|
|
|
|
|
|
|
151