If you have print quality problems, clean the corona wires as follows:
a Turn off the machine. Unplug the telephone line cord first, disconnect all cables, and then unplug the power cord from the electrical socket.
b Fully open the top cover by lifting up on the handle (1).
1
IMPORTANT
When the scanner is open, you cannot open the top cover.
c Take out the drum unit and toner cartridge assemblies.
158
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.
•To prevent damage to the machine from static electricity, DO NOT touch the electrodes shown in the illustration.
d Clean the primary corona wire inside the drum unit by gently sliding the green tab from left to right and right to left several times.
1
Note
Be sure to return the tab to the home position (a) (1). If you do not, printed pages may have a vertical stripe.