Install options in the locations shown in the following illustrations.
External options
Paper feed unit
Loads up to 550 sheets of paper. Up to three paper feed units, can be installed on the printer. Installed tray units are identified as "Tray 2", "Tray 3", and "Tray 4". For details about attaching the paper feed units, see "Attaching the Paper Feed Unit".
Interior
SDRAM module
For details about this option, see "Installing the SDRAM Module".
Optional interface boards
Gigabit Ethernet board
Wireless LAN interface unit
IEEE 1284 interface board
Bluetooth interface unit
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".
Hard disk drive
For details about this option, see "Installing the Hard Disk".
For details about the specifications of each option, see Specifications.