Ricoh B234 Service Manual page 1068

Sensors and Operation Modes
Mode Function
Shift Sensor
control operation of the tray lift motor.
Staple Sensor
to control the tray lift motor.
• When the machine is turned on, Sensor
Standby
at the standby position and keep it there when the shift is not in use
or when the upper tray (proof tray) is used.
• If the shift tray is not attached to the machine (if it has been removed
for servicing, for example), if the machine is switched on the tray
mount will push up the feeler and switch off Sensor
the tray lift motor. (Sensor
removed.)
• Sensor
Z-Fold, Z-Fold
folded sheets with and without stapling.
Staple
• Sensor
folded sheets with and without stapling.
These operations are described in more detail in the following sections.
SM
detects the amount of paper on the shift tray in shift mode to
detects the amount of paper on the shift tray in staple mode
cannot operate if the tray has been
detects the height of the tray when the output includes Z-
detects when the tray is full when the output includes Z-
53
DETAILS
B830D010.WMF
is used to position the tray
to switch off
B830