Lexmark Optra C Service Manual page 41

5045-001
13. After the patches are read by the Density Sensor, the Cleaning
Brush mechanism is pressed against the drum and the
Cleaning Brush Motor is energized.
14. The calibration process is repeated this time starting at
MINIMUM density and going to MAXIMUM density. At the end
of this cycle the Cleaning Brush Mechanism is pressed and the
Cleaning Brush Motor is energized.
15. Drive motors stop, all fans stay on.
Note: If any of the supplies need attention, a message will be
displayed at this time.
16. The Display reads "Ready".
Diagnostic Information 2-9