Appendix A Option UnitsA-2PF-70 Paper FeederHolds approximately 500 sheets of A5 to A3 (11 × 17" in Led-ger) size paper. Up to two paper feeders can be attached to thebottom of the printer.PF-75 Paper FeederHolds approximately 3000 sheets of A4, B5 or Letter size(8.5 × 11") paper. Only one paper feeder can be attached to thebottom of the printer.IB-20/21E/22 Network Interface CardIs used to communicate using the network protocols such asNetWare, TCP/IP or EtherTalk.IB-20/IB-21E/IB-22 Network Interface CardsAlong with the standard for the network interface on theprinter, the network interface card supports TCP/IP, IPX/SPX, NetBEUI and EtherTalk protocols, so that the printercan be used on network environments including Windows,Macintosh, UNIX, NetWare, etc.DF-71 Document FinisherProvide finishing with about 3,000 sheets at a time with high-speed and large-capacity processes. Also provides a punchfunction. They are installed to the left side of the printer.DF-73 Document FinisherProvides finishing with about 1000 sheets at a time. Also pro-vides staple and off set functions. It is installed to the left sideof the printer.DF-75 Document FinisherProvides the staple, punch (option), offset and stitch func-tions. It is installed to the left side of the printer.Other Options•Hard Disk UnitEnables the electronic sorting and job retention functions.To be inserted into the slot OPT1/HDD designed for it onthe main circuit board of the printer.••••Memory Card (CF)This is a microchip card that may contain option fonts,macros, and forms. Insert the memory card into the memorycard slot located on the right of the printer. See your dealerfor purchasing information regarding the memory Cardsthat are best suited for use with this printer.•Memory DIMMSee your dealer for purchasing information of the DIMMthat are best suited for use with this printer. SeeAppendixA Option Units for the installation procedure.Network interface card Network connectionsIB-20 10Base-T/100Base-TX/10Base-2IB-21E 10Base-T/100Base-TXIB-22 IEEE802.11b (Wireless)Table A-1