Xerox C2424 Service Manual - Page 67
Process Drive
UPC - 095205676532
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Process Drive The process drive is an open loop system that transmits torque to two main camshaft assemblies. One camshaft assembly controls the transfix roller loading, and the other controls the drum maintenance system and printhead tilt system. A small DC servo motor powers the process drive gearbox to rotate the gears to specific positions during the printing process. The process drive is able to actuate each camshaft system independently or concurrently through the use of the swing arm in the gear train. Operation of the transfix and drum maintenance system is controlled by the rotational direction of the motor. When the process motor rotates in one direction, the swing gear engages the lower gears. When the motor rotates in the opposite direction, the upper gears are engaged. Since the system is open loop, special attention to the home position of the process drive gears and the mating camshaft gears is critical. The process drive gearbox is mechanically keyed upon installation via gear orientations. These gear orientations allow the printer subsystems to self home during operation. If either the gearbox or cam gears is out of home during installation, the printer does not function properly. Process Drive Swing Gear Theory of Operation s2424-030 2-23