Lexmark 840 Printer User Manual


 
Installing options
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Installing options
CAUTION: If you are installing memory or option cards sometime after setting up the printer, turn the printer off
and unplug the power cord before continuing.
You can customize the printer memory capacity and connectivity by adding optional cards. The instructions in this section
help you install any of the following options:
Memory cards
Printer memory
Flash memory
Firmware cards
Bar Code
Forms
IPDS and SCS/TNe
PRESCRIBE
PrintCryption™
Other options
Printer hard disk
External Serial Adapter
Tri-Port Adapter
Infrared Adapter
USB/Parallel 1284-C interface card
Coax/Twinax Adapter
Internal print servers (also called internal network adapters or INAs)