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Additional printer setup
Installing internal options
CAUTION—SHOCK HAZARD: If you are accessing the system board or installing optional hardware or memory
devices sometime after setting up the printer, then turn the printer off, and unplug the power cord from the
wall outlet before continuing. If you have any other devices attached to the printer, then turn them off as well,
and unplug any cables going into the printer.
You can customize your printer connectivity and memory capacity by adding optional cards. The instructions in this
section explain how to install the available cards; you can also use them to locate a card for removal.
Available internal options
• Memory cards
– Printer memory
– Flash memory
– Fonts
• Firmware cards
– Bar Code
– PrintCryption
TM
• Printer hard disk
• Lexmark
TM
Internal Solutions Ports (ISP)
– RS‑232‑C Serial ISP
– Parallel 1284‑B ISP
– MarkNet
TM
N8250 802.11 b/g/n Wireless ISP
– MarkNet N8130 10/100 Fiber ISP
– MarkNet N8120 10/100/1000 Ethernet ISP
Additional printer setup 26