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Routine Maintenance
163
5
Cleaning the drum unit 5
If your printout has colored, 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 .
c Press Machine Information > Drum Dot Print.
d Press OK to print the drum dot check sheet.
e Press and hold down to turn the machine off.
f Press the front cover release button and pull open the front cover.
g Hold the blue handle of the drum unit. Pull the drum unit out until it stops.
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