Lexmark 25A0591, C736 manual Accessing the system board to install internal options

Additional printer setup 15

Accessing the system board to install internal options

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 operation requires a flathead screwdriver.

1Remove the cover.

aTurn the screws on the cover counterclockwise to loosen them, but do not remove them.

bSlide the cover up until each screw is in the keyhole.

cPull the cover forward to remove it.