Routine Maintenance
Cleaning the drum unit
If your printout has white or black dots at 3.7 in. (94 mm) intervals, 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 Make sure the machine is in Ready mode.
b Press a or b to choose Machine Info.. Press OK.
c Press a or b to choose Drum Dot Print. Press OK to print the drum dot check sheet.
d Press and hold down | to turn the machine off. | 4 |
|
e Open the top cover until it locks in the open position.
f The color of printed dots is the color of the drum you should clean. Take out the toner cartridge and drum unit assembly of the color causing the problem.
147