Oce 3121 Technical & Service Manual page 485

Pick-up from the cassette
Pick-up
The paper in the cassette is supported by a ramp. This keeps the paper in con-
tact with the pick-up roller when the paper feed occurs.
The pick-up roller is driven by the motor (M4). The roller is lowered onto the
paper during the pick-up.
A cam, turned by motor M1, lowers the roller for feeding. The down solenoid
SL2 energises to allow the cam to turn.
The feeding roller and the separation roller make sure that only one sheet of
copy paper is fed; the copy paper is moved to the feeding assembly and then to
the registration roller by the vertical path roller 1/2.
Motor M1 drives the vertical transport and the pre-registration roller. The drive
is controlled by switching the clutch CL2 ON and OFF.
The clutch CL1 allows the motor M1 to drive the registration roller.
Number
M1
M4
CL1
CL3
SL2
Pulse signal: this cannot be checked ( 0, 1) by a meter.
Note:
504 TSM Océ 3121
Name
Main motor
Motor for cassette pick-up
Clutch for the registration roller
Clutch for the vertical transport
Solenoid for lowering the pick-up
roller
Signal Pin on DC con-
trol PBA
MMD J114-B6
Note: J114
RGCD* J114-B11
CL3D* J114-A4
SL2D* J114-A5
Functional description