Oce 3121 Technical & Service Manual page 697

Power-on jam (persistent paper jam)
3
The JAM signal is generated if any of the following sensors is on when the cop-
ier's power switch is turned on:
Tray drive: inlet sensor PI7
I
Bin unit: delivery sensor PI3
I
Tray A: delivery sensor PI8
I
Tray B: delivery sensor PI9
I
Door open: persistent jam
4
The JAM signal is generated if the sorter is moved away from the copier, or the
stapler cover is opened while the machine is in operation.
ed.1 21 Sorter 547