Kyocera FS 2020D Advanced Operation Manual page 188

Option
PT-310 Faceup Output Tray (for FS-3920DN/FS-
4020DN)
Use the faceup output tray when you wish paper to be stacked with the
printed side facing up (reverse order).
To install the faceup output tray, perform the following procedures:
1
Install the paper stopper according to the size of paper to be used.
2
Install the faceup output tray on the rear of the printer.
IB-31 Network Interface Cards (For FS-2020D)
Along with the standard for the network interface on the printer, the
network interface card supports TCP/IP, IPX/SPX, NetBEUI and
AppleTalk protocols, so that the printer can be used on network
environments including Windows, Macintosh, UNIX, NetWare, etc. The
network interface card must be installed in the option interface slot. For
details, refer to IB-31 Installation Guide.
8-7