Note
Be sure to return the tab to the home position (a) (1). If you do not, printed pages may have a vertical stripe.
e Put the drum unit and toner cartridge assembly back into the machine.
f Close the front cover of the machine.
Routine maintenance
Cleaning the drum unit
If your printout has black or white dots or other repeating marks 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 that the machine is in the Ready mode.
Press Menu, 6, 6, then press Start to A print the drum dot check sheet.
66.Drum Dot Print
Printing
b Leave the machine turned on for
10 minutes for the internal fan to cool the extremely hot parts inside the machine.
c
d Press the front cover release button and then open the front cover.
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