Sharp AR-F15, Service Manual, Page: 82 / 280

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CHAPTER 2 FINISHER UNIT BASIC OPERATION
J. Buffer Path Operation
1. Outline
This machine is provided with a buffer paper path for continuously receiving paper from the
host machine during stapling and job offset operation on the stapling tray. A maximum of three
copies (three originals or more in the staple mode) are wrapped around the buffer roller. During this
time, job offset and stapling are performed on the stapling tray.
The following shows operation on the buffer paper path.
1) When the first sheet arrives, the buffer inlet solenoid (SL2) remains off. The first sheet enters
the buffer path.
OFF
SL2
First sheet
Buffer inlet solenoid
Figure 2-247
2) When the leading edge of the sheet has moved past the buffer path inlet paper sensor (PI17), the
buffer outlet solenoid (SL3) turns on so as to cause the sheet to wrap around the buffer roller.
ON
SL3
Buffer outlet
solenoid
Buffer path inlet paper
sensor (PI17)
Figure 2-248