OKI LP440 用户手册
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Printing
Printing using the RS-232C Interface
1. Locate the RS-232C interface port cover (1) and lift it up to
expose the port.
2. Plug one end of the RS-232C cable (2) firmly into the port.
Make sure that the arrow mark on the connector of the
RS-232C cable matches with the arrow mark by the side of
the printer’s port.
3. Plug the other end of the RS-232C cable to the corresponding
RS-232C connector of the computer or hand-held terminal.
For information on the host device RS-232C connector, refer
to the relevant instruction manual.