Ricoh FT5535 Service Manual page 676

BASIC OPERATION
3.7 STAPLER UNIT
[C]
[D]
[A]
[G]
[F]
[H]
[B]
[E]
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The stapler motor [A] drives the staple hammer [B] using the gears [C] and
the eccentric cam [D].
The roller [E] feeds the staple sheets under the hammer.
When the aligned copies are brought to the staple position by the grip unit,
the stapler motor starts rotating and the copies are stapled. When the cam
completes one rotation, the staple hammer home position sensor [F] is
deactuated and the stapler motor stops.
When the stapler paper sensor [G] in the grip assembly does not detect any
copies under the hammer, the stapler motor does not rotate.
When the trailing edge of the last staple sheet pass through the staple end
sensor [H], the sorter stapler enters the staple near end condition. After the
current job is completed, the Add Staples indicator lights on the operation
panel. Then the copier cannot be used whenever the staple mode is
selected.
A207/A208/A211 4-12 SM