Sharp AR-FN8 Service Manual page 85

7) When the third sheet arrives and its leading edge reaches the inlet sensor (PI1), the buffer roller
starts to operate once again.
8) When the leading edge of the third sheet reaches the inlet sensor (PI1), the buffer outlet sole-
noid (SL3) goes off so that the path is directed in the direction of delivery. (The actual switch-
over will occur after the trailing edge of the first sheet has moved past the flapper.)
CHAPTER 2 FINISHER UNIT BASIC OPERATION
Figure 2-253
Buffer outlet
solenoid
OFF
SL3
Figure 2-254
2nd sheet
1st sheet
Inlet sensor (PI1)
2nd sheet
1st sheet
Inlet sensor (PI1)
3rd sheet
3rd sheet
2-49