j Turn the green lock lever (1) clockwise to the lock position.
1
k Push the drum unit in until it stops.
l Close the front cover of the machine.
Routine maintenance
Resetting the drum counter
When you replace a drum unit with a new one, you need to reset the drum counter by completing the following steps:
a Press Menu, 5, 8.
b Press a or b to choose Drum. Press OK.
c Press 1 to reset the drum unit counter.
d Press Stop/Exit.
A
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