Ricoh D009, Service Manual

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Tray Movement Mechanism
B804/B805 46 SM
B804
When the actuator on the tray activates the upper tray full sensor [H] the tray lift
motor [A] switches off. Operation resumes after some copies are removed from
the tray. Upper Tray Capacity: 2,000 sheets (A4, LT)
B805
The operation of the upper tray full sensor is the same as the B804. Capacity:
1,500 sheets for A3, B4 or other large paper.
An additional upper tray full sensor (below sensor [H]) allows more sheets to
stack on the upper tray. Capacity: 3,000 sheets (A4, LT)
2.4.2 LOWER TRAY (B804 ONLY)
The lower tray sensor actuator arm [A] rests on the top of the stack of stapled booklets as
they are output to the lower tray. A flap depressor [B] keeps the open ends of the booklets
down.
The front lower tray full sensor (S34) [C] and rear lower tray full sensor (S33) [D] detect
when the lower tray is full of booklets.
The front lower tray full sensor is mounted higher than the rear lower tray full
sensor.
The lower tray is stationary. When it becomes full, the stapling and folding job stops
until booklets are removed from the tray.