AR-F12 (serv.man5). Puncher unit (option) basic operation - Sharp Copying Equipment Service Manual (repair manual). Page 14

4) When punching ends, drive of the inlet feed motor (M9) and first feed motor (M1) on the finisher

is started, the horizontal registration motor (M2P) is operated in the reverse direction, and the
punch slide unit is returned to its home position where it comes to a stop.

5) Even if paper to be punched continues to arrive, the punch slide unit returns to its home position

for each arriving sheet, and steps 1 to 4 are repeated.

Punch motor (M1P)

Inlet feed motor (M9)

First feed motor (M1)

Trailing edge detection 
sensor (LED5, PTR5)
Horizontal registration sensor 
(LED1 to 4, PTR1 to 4)

: Motor CW

: Motor CCW

Horizontal registration 
motor (M2P)

Horizontal registration home 
position sensor (PI1P)

Punch home position 
sensor (PI3P)