Lexmark MX521 - Upgrading and Migrating; Hardware; Accessing the Controller Board

Upgrading and migrating
Hardware
Available internal options
• Flash memory
• Font cards
• Firmware cards
– Forms and Bar Code
– IPDS
– PRESCRIBE
• Internal solutions port
– RS-232C Serial Interface Card
– Parallel 1284-B Interface Card
– MarkNet
TM
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 o, and unplug the power cord from the electrical outlet before continuing. If you have any
other devices attached to the printer, then turn them o as well, and unplug any cables going into the
printer.
1 Turn o 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.
Upgrading and migrating 247