Oce 3121 Technical & Service Manual page 706

Sequence of operations (stapling 2 sets)
I
Staple unit swing motor (M5)
Stapling motor (M3)
Stapler position sensor (PI4)
Stapling home position sensor
(MS7)
Stapler home position sensor
(MS4)
Stapler safety sensor (MS6)
<Bin unit>
Bin shift motor (M1)
Lead cam home position sensor
(PI1)
556 TSM Océ 3121
Copy Start key ON
Stapling
Shift by bin
Functional description of the sorter