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To Access Controller Board
Need Repair Parts?
Turn the printer power off (O) and unplug the power cord.
Disconnect all cables from the back of the printer.
Press down and pull on the side door latches (A in the picture) to release the door.
Remove the side door, and lay it aside.
Loosen the six screws (A) on the shield. Do NOT remove the screws.
Slide the shield up until the top three screws fit into the three keyholes on the shield.
Lift the shield off. You now have access to the controller board.