• Always touch a ground before touching the board.
• Handle the board carefully by the edges.
• Never replace the operator panel and controller board without a successful POR (power-on
reset) in between.
•
Never replace the operator panel and the controller board at the same time. Each card
contains the printer settings. When either of these cards is new, it obtains its settings from the
other card. Critical factory settings are lost when both cards are new and are replaced at the
same time.
1. Remove the screw (A) from the USB port.
2. Lift the scanner assembly to the raised position ( p.127 "Lifting the Scanner to the Up Position")
3. Remove any option cards from the controller board.
Removal Procedures
45
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