Oce 3121 Technical & Service Manual page 497

The stock of copy paper, the sensors and the displays.
1:The light-blocking plate is over the sensor.
0:The light-blocking plate is not over the sensor.
516 TSM Océ 3121
stock
Level Q1606
500 sheets
500 sheets
0
1
1
0
0
display
Indication on
Q1607
control panel
0
0
1
1
Functional description