User`s guide

Replacing the Drum Cartridge74
6 Install the imaging cartridge.
7 Close the front cover.
8 Press the Menu key.
9 Press a scroll key until 1.Common Setup appears on the display, and
then press the Select key.
10 Press a scroll key until 14.Reset OPC appears on the display, and then
press the Select key.
The service life counter for the drum cartridge is reset.