p1

p2

p3

m1

m2

g1

maqadat

material:
- metal (p1, p2, g1, g2)
- plastic (m1, m2, p3)
- wood (maqadat)

channel:
- direct (p1, p2, g1)
- backswept (m2)
- Y-shaped (m1, g2, p3)
- wire guides (g1, g2)

page turning:
- vacuum slots with blowing air (p1, p2)
- sliding vacuum adjustment (g1, g2)
- helical vacuum adjustment (m1, m2, p3)
- blowing air coanda effect (maqadat)

sensors:
- infrared break-beam (p1)
- ultrasound (commercial sheet-fed scanners)
- capacitive (m2) comment from cday
- infrared transmission (maqadat)

saddle:
- wide clamps (m1, m2)
- linear guides (maqadat)

airflow:
- external canister vacuum (p1, p2, m1, g1, g2)
- internal handheld vacuum (m2, p3)
- hair dryer (maqadat)