Lexmark C91 Series, Руководство по обслуживанию

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Diagnostic aids
3-71
5055-xxx
Detection of fixed position
The fixed position of the jogging bar is detected by the jogging home
position sensor and a sensor flag united with the pinion. The fixed
position is set when the sensor detects the sensor flag. This fixed
position is used as a reference point to calculate the distance of the
movement of the jogging bar and offset bar depending on paper
size.
Stapling mechanism
The stapler motor rotation drives a gear link and cam mechanism.
The cam movement allows the stapler mechanism to operate.
Elevator sequence
The wire drum rotates by the elevator motor as the wire drum rolls
the wire pulling the hook plate up and down. The lower tray moves
up by the driving force of the elevator motor until the elevator upper
limit sensor is ON, the paper feeds onto the tray, or until the paper
upper level sensor B is ON if no paper feeds onto the tray. When
paper feeds out to the lower tray and the paper full sensor A turns
ON, the lower tray moves down until the paper full sensor A