Dell 3333/3335dn Mono Laser Printer - Manual (Page 29)

Accessing the system board to install internal options
Note: This task requires a flathead screwdriver.
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.
1 Loosen the screws on the back of the system board a quarter turn.
Additional printer setup 29