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5
Cleaning the drum unit 5
If your printout has colored spots at 94 mm (3.7 in.) 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 the ready state.
b Press + or - to choose Machine Info.. Press OK.
c Press + or - to choose Drum Dot Print. Press OK to print out the drum dot check sheet.
d Turn off the machine's power switch. Disconnect all interface cables, and then unplug the AC power
cord.
e Press the front cover release button and then open the front cover.
f Hold the green handle of the drum unit. Pull the drum unit out until it stops.