Ricoh ST23 Service Manual page 15

6 March 1992 SECTIONAL DESCRIPTION
[A]
[B]
[C]
[D]
[E]
[F]
2.5.2 Stapler
The paper sensor [A] prevents stapler operation when there is no paper in
position. Also, it detects staple error if the paper sensor remains actuated
when the stapler finishes its operation.
The staple motor [B] drives the stapling mechanism and transporting of the
staples from the cartridge [C].
The hammer H.P. sensor [D] checks if the staple hammer [E] is in the home
position.
The staple end sensor [F] checks if staples are present.
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