Kyocera KM-4230 Service Manual page 394

2A3/4
• Detaching the duplex upper registration roller
1. Remove the duplex unit front cover (42 ppm only) and then the duplex unit cover.
2. Remove the screw holding the switchback feedshift solenoid and then the solenoid.
3. Remove the E-ring and then the bushing at the tront of the duplex unit.
Bushing
E-ring
Figure 3-3-100 Detaching the duplex upper registration roller (1)
3-3-85