Ricoh C231 Service Manual page 468

JAM DETECTION
6.10.3 MASTER FEED JAM (D JAM LOCATION INDICATOR)
Cutting the master (master not cut)
Main motor
Master eject position sensor (HP)
Cutter HP sensor
Cutter motor
Drum master sensor
Black patch on the clamper
Jam check timing: When the master is clamped in the clamper and cutting is
taking place.
Check: While the drum is rotating from when the cutter home position sensor turns
on (cutter at home position) until the master eject position sensor turns on
(drum at master eject position), if the drum master sensor detects a master
on the black patch on the clamper, then the D jam indicator lights.
Cutting the master (cutter unit problem)
Master making
Main motor
Cutter HP sensor
Cutter motor
Jam check timing: When the master is clamped in the clamper and cutting is
taking place.
Check: During master cutting, if the cutter HP sensor does not turn on (cutter does
not reach home position) at the desired time, then the D jam indicator
lights.
C231/C237/C238
Master making
Cutting master
C h e c k
6-46
Wrapping master
Check
C238D529.WMF
C238D530.WMF
SM