Double-Feed Detection - Ricoh BR-C1a Basic Service Training

 There are two ultrasound sensors in the ADF, one below the
original feed path (emitter) and the other above the path
(receiver).
 When the original passes between the sensors, received sound
waves are converted to an electrical signal.
 If the output is different from that expected for a single sheet of
Slide 194
No additional notes

Double-feed Detection - 1

paper, Jam Code 099 occurs, and there is an alert on the
operation panel.
194
BR-C1 Training