Ricoh B230 Training Program page 256

Lower Tray Up/Down Mechanism
Lower Limit
Sensor
Lift Motor
The tray moves up/down to keep the top of the stack at the correct position.
Detected by the stack height sensor.
If the lower tray lower limit sensor turns on, copying stops.
During sort/stack mode, the tray position is adjusted every 5 pages.
During staple mode, the tray position is adjusted after every stapled set is fed out.
If the user removes the paper from the tray, the tray moves up until the stack
height sensor turns on.
Stack Height
Sensor
Stack height sensor:
Detects the top of the stack
Lower tray lift motor:
Moves the tray up/down
until the top of the stack is
at the correct position
Lower tray lower limit
sensor: Detects when the
tray cannot go down more
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