Canon NP2120 Service Manual page 188

D. Pick-up and Feed Operations
The paper deck picks up and feeds the paper in
to
response the signats from the copying machine.
The paperdeck motor (Msdriven in response
to the deck motor drive (DMD) signa1 from the
machine
copying machine; drive is then transmitted to the
pick-up and registration rollers by way of clutches.
The clutches in turn are under control of the
signals from the copying machine.
When paper is picked-up, the pick-up roller is
raised by the pick-up roller release solenoid (SLI).
Figure 2-205
O P E R A T I O N S ANDTLMING m