Oce OP33 Reference Manual page 326

When the Card Reader-C1 (option) is attached to the machine, you must insert a control
card before operating this machine. Then the Department ID management is automatically
performed.
NOTE
•
•
•
•
7
7-80 Card Reader-C1
Magnetic type card
CONTROL CARD
1 2 3
Optical type card
CONTROL CARD III
1 2 3
001