Ricoh D072 Service Manual page 493

System Service Mode (Basic: D067/D072)
Num.
024 Duplex Inv M- Hold
026 Polygon M
027 Polygon M/LD
028 LD
029 DF-Feed M
030 DF-Transport M
031 DF-Feed CL
034 DF-Gate SOL (Junction Gate Solenoid)
038 Fusing SOL
When checking Fan Motor High (005) or Fan Motor Low (006) note the following:
These motors may not respond when the fusing temperature is high.
Selecting "ON" checks that one of these motors normally operates. Selecting "OFF"
turns off the motor that you have started by selecting "ON." However, this does not
guarantee that the motor normally stops during normal operation.
D067/D068/D069/D072
Component
5-184 SM Appendix