Oce 3121 Technical & Service Manual page 600

c) Timing of operations
The motor M11 is switched ON when the leading edge of copy paper passes
the inlet sensor PS19.
Multitray inlet sensor
(PS19)
Delivery sensor 2
(PS17)
Tray position sensor
(PS16)
Shift motor (M11)
∗1:
Detection of jams
Delay at the inlet sensor PS19
1
A delay will be signalled if the paper does not reach the sensor PS19 within a
specified period of time after the paper passes the sensor PS7.
Delay at the inlet sensor PS19 (2 size A4 copies).
ed.1
LSTR LSTR
∗
1
Light-blocking plate over the sensor.
19 Delivery 519