Lexmark X548 Series - Using the Security Lock Feature; Installing a Memory Card

Using the security lock feature
The printer is equipped with a security lock feature. When a lock compatible with most laptop computers is attached,
the printer is locked. Once locked, the metal plate and the system board cannot be removed. Attach a security lock to
the printer in the location shown.
Installing a memory card
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.
Note: This task requires a flathead screwdriver.
1 Access the system board at the back of the printer.
a Turn the screws on the cover counterclockwise to remove them.
b Remove the cover.
Additional printer setup
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