DocuPrint C20/NC20 User GuideWith an External Ethernet Adapter Installed ...................... B-5Appendix C Printer Options ........................................................ C-1Installing Printer Options ..................................................... C-3Printer Memory ................................................................... C-4Accessing the System Board from the Front ....................... C-5Installing Printer Memory ................................................. C-6Closing the System Board from the Front .......................... C-8Flash Memory...................................................................... C-9Accessing the System Board from the Rear ........................ C-9Installing a Flash Memory SIMM .................................... C-11Closing the System Board from the Rear.......................... C-13External Ethernet Adapter .................................................. C-15Installing the External Ethernet Adapter .......................... C-16Tri-Port Interface Card ....................................................... C-17Installing the Tri-Port Interface Card ............................... C-17Infrared Adapter ............................................................... C-18Installing the Infrared Adapter ........................................ C-18Using the Infrared Adapter ............................................. C-19Hard Disk .......................................................................... C-20Installing the Hard Disk .................................................. C-20Option Card Installation .................................................... C-21Accessing the System Board from the Right ..................... C-21Installing an Option Card ............................................... C-22Closing the System Board from the Right ........................ C-24Input Tray 2 ...................................................................... C-25Installing the Paper Tray ................................................ C-25Attaching the Paper Support........................................... C-27