Ricoh FT3320 Service Training Manual page 64

When the cassette is inserted into the copier
is pushed clockwise by the cassette.
moves down and the paper lift gear [C] engages with the sector gear [D].
Under the following conditions, the CPU checks the paper lift sensor to see if
the paper is at the feed position.
1. When the Start key is pressed.
2. When the warm-up condition changes to the ready condition.
3. When the manual feed table is closed.
If the paper has not been raised to the feed position, the CPU turns on the
paper lift clutch. The paper lift gear turns the sector gear and the bottom
plate raises until the top sheet pushes up the paper lift sensor feeler.
When the paper lift sensor is actuated, the CPU turns off the paper lift clutch.
As paper is fed into the copier, the level of the paper stack gets lower. If the
level becomes too low, the paper lift sensor is actuated and the CPU ener-
gizes the paper lift clutch until the top sheet raises the feeler to de-actuate
the paper lift sensor again. This ensures that the paper is always at the cor-
rect feed height.
the cassette actuator lever [A]
The
paper lift clutch unit [B] then