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Accessing the controller board
Note: This task requires a flat‑head screwdriver.
CAUTION—SHOCK HAZARD: If you are accessing the controller 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 electrical 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 Open the controller board access cover.
2 Using a screwdriver, loosen the screws on the controller board shield.
Additional printer setup 29