Routine maintenance
65
Cleaning the drum unit A
If your printout has colored 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 that the machine is in the
Ready mode.
Press Menu, 6, 7, then press
Black Start or Color Start to print the
drum dot check sheet.
67.Drum Dot Print
Printing
b 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.
c Press the front cover release button and
then open the front cover.
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