Ricoh SP 8400DN Field Service Manual page 1916

Ricoh a3 size black and white laser printer.

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2. Detailed Descriptions

Stapleless Stapler mechanism

The staple operation in this option applies a crimping method. V-shaped teeth press the sheets,

applying a pressure of 220 kg.

This option performs two stapling operations for a single stapling operation as follows.

[Moving to the first stapling position =>Stapling => Moving to the second stapling position =>

Stapling => Moving back to the home position]

Stapling is done by engaging the pressure cam [D] to stretch the pressure link [A], which applies

pressure between to the upper tooth [C] and the lower tooth [B]. Moving and stapling operation for

the stapler are driven by the stapler drive motor. The home position is detected by the stapleless

stapler HP sensor.

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