Ricoh Ch-C1 Series Service Training page 533

Duplex Transport
Rollers

Based on the edge sensor reading, the roller shift motors move the paper
across to the correct position by moving the duplex transport and exit
rollers.
Slide 533
 Roller shift motor 1 only operates if the paper is 220 mm or longer.
Shift Rollers: Drive
Roller Shift
Motor 1
533
Edge Sensor
Unit
Duplex Exit
Roller
Roller Shift
Motor 2
Ch-C1 Training