*RICMP-2501SP: IEEE1284 is a Micro Centronics 36 pin cable. Converter adapter is required to connect to a Centronics connector. The adapter is available through Service Parts (p/n B6795100). This item cannot be installed with the IEEE 802.11a/g Wireless Interface Type J (414008) or File Format Converter Type E (414007).

*RICSP-C435DN: One open interface board slot is available. Wireless LAN, Parallel Interface or USB Device Server may be installed. For environments that require Parallel connectivity.

*RICSP-C440DN: One open interface board slot is available. Wireless LAN, Parallel Interface or USB Device Server may be installed. For environments that require Parallel connectivity.

*RICSP-C830DN,RICAFSP-C831DN: A maximum of one (1) optional interface board can be installed.

*RICSP-4510DN: One open interface board slot is available. Wireless LAN or Parallel Interface may be installed. For environments that require Parallel connectivity.

*RICSP-4520DN: One open interface board slot is available. Wireless LAN or Parallel Interface may be installed. For environments that require Parallel connectivity.

*RICSP-6430DN: One open interface board slot is available. Parallel Interface or Wireless LAN may be installed. For environments that require parallel connectivity. Only one of these additional connectivity options can be installed on the printer.