Ricoh SP 8400DN Field Service Manual page 1914

2. Detailed Descriptions
Stapleless stapler unit movement mechanism
The stapleless stapler transfer motor [A] moves the stapleless stapler unit to the stapling position
from its home position when stapling with the stapleless stapler.
The home position is detected by the stapleless stapler HP sensor [B].
The stapler transfer motor [C] and the stapler HP sensor [D] are attached to the base plate.
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