Sharp MX-4100N Service Manual page 444

23) Same operations as "5) Scan start (First sheet front surface)"
and later.
24) Paper exit completion (Second sheet)
25) Pickup roller rising
(3) Stamping operation
1) Document set (Document empty sensor ON)
2) Preliminary paper feed start (First sheet)
Pickup roller falling
3) Preliminary paper feed completion/Paper feed start (First
sheet)
4) Resist operation (First sheet)
5) Scan start (First sheet)
6) Scan completion (First sheet)
MX-5001N RSPF SECTION D – 6