Oki B6200 Series - Manual (Page 38)

38 > INSTALLATION AND RELOCATION PROCEDURE
CONNECTING AN INTERFACE CABLE
Connect the interface cable to be used to the printer.
1. Connect the interface cable to the interface connector at the back
of the printer: serial (1), USB (2), network (3), parallel (4).
For a parallel cable, lift up the wire clip on both sides to secure it
after it has been inserted into the connector.
2. For Parallel, USB, or Serial cables, connect the other end of the
cable to the interface connector of the computer.
NOTE
Connect a USB cable only after the printer driver has been installed on the
computer.