Lexmark X748DE Printer User Manual


 
Accessing the system board
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 Remove the system board cover.
a Turn the screws on the cover counterclockwise to loosen them, but do not remove them.
Additional printer setup 26