Oce 3121 Technical & Service Manual page 492

c) Movement of the pick-up roller
M1 provides the drive for the shaft of the pick-up roller. The cam is activated
by the solenoid SL2
The raised position is the stand-by position of the shaft of the pick-up roller.
The following occurs when a sheet is fed:
- Solenoid SL2 energises.
1
- The motor M1 rotates the cam, for a single rotation.
The single rotation of the cam rotates, releasing the trigger.
2
The pick-up roller is lowered to reach the copy paper, and the motor M4 rotates
3
and starts to pick up a sheet of paper.
The rotation of the cam raises the shaft of the pick-up roller.
4
shaft of the pick-up
roller
feeding roller
shaft of the feeding roller
shaft of the pick-up roller
trigger
pick-up sole-
noid SL2
Movement of the shaft of the pick-up roller
ed.1
frame
ON
pick-up roller
frame
the cam rotates when SL2 is ener-
gised
cam 1
12 Paper trays 511