When installing multiple options, the following order is recommended:
Attach the paper feed unit.
Attach the paper feed unit to the bottom of the printer.
You can attach up to two paper feed unit. Up to 1,600 sheets of paper can be loaded in total.
Attach the envelope feeder.
Replace the paper tray for the optional feeder with the envelope feeder.
Install the SDRAM module.
Install the expansion memory in the controller board slot.
There are two types of SDRAM module, 128 MB and 256 MB.
Install the hard disk.
Install the optional interface board.
Install the optional Gigabit Ethernet board, Wireless LAN interface unit, or IEEE 1284 interface board in the slot.
Insert SD card options.
If you want to use three or more SD cards simultaneously, consult your service representative.
Insert these units into the SD card slot.
If you want to use two or more SD cards that can be inserted in the same slot, contact your sales and service representative.
Attach the duplex unit.
Attach the duplex unit to the rear of the printer.