Upgrading And Migrating; Hardware - Lexmark MX421 User Manual

Upgrading and migrating

Upgrading and migrating

Hardware

Available internal options
•
Flash memory
•
Font cards
•
Firmware cards
–
Forms and Bar Code
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IPDS
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PRESCRIBE
•
Internal solutions port
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RS-232C Serial Interface Card
–
Parallel 1284-B Interface Card
– TM
MarkNet N8230 Fiber Ethernet
•
MarkNet N8372 Wireless Print Server Interface Card
•
Printer hard disk
Accessing the controller board
CAUTION—SHOCK HAZARD: To avoid the risk of electrical shock, if you are accessing the controller
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 electrical 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.
1
Turn off the printer.
2
Unplug the power cord from the electrical outlet, and then from the printer.
3
Using a flat-head screwdriver, open the controller board access cover.
Warning—Potential Damage: Controller board electronic components are easily damaged by static
electricity. Touch a metal surface on the printer before touching any controller board components or
connectors.
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