Install options in the locations shown in the following illustrations.
External options
Paper feed unit
Loads up to 500 sheets of paper. Up to one paper feed unit can be installed on the printer. Installed tray unit is identified as "Tray 2". For details about attaching the paper feed unit, see "Attaching the Paper Feed Unit".
Internal options
Optional interface boards
Wireless LAN interface unit
Gigabit Ethernet board
IEEE 1284 interface board
For details about installing these options, see "Installing the Interface Units".
SD card options
For details about installing these options, see "Installing the SD Memory Card Options".
SDRAM module
For details about this option, see "Installing the SDRAM Module".
Hard disk
For details about this option, see "Installing the Hard Disk".
For details about the specifications of each option, see "Specifications".