Oce 3121 Technical & Service Manual page 49

DIP switch settings
Check the mode of communication with the copier.
Release the latch and separate the sorter from the copier.
1
Open the sorter's right cover and remove the rear right cover (4 screws) while
2
detaching the solenoid cable.
Screw (with toothed washer)
Right cover
Check to make sure that bit 4 of the DIP-switch SW1 on the tray controller
3
PBA is at ON.
42 TSM Océ 3121
Solenoid cable
Rear right cover
Screws (with toothed washers)
Tray controller PBA
Installation