Dell 2330d Service Manual - Page 88

Controller board removal, Warning, CAUTION

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Controller board removal CAUTION This product contains a lithium battery. THERE IS A RISK OF EXPLOSION IF THE BATTERY IS REPLACED BY AN INCORRECT TYPE. Discard used batteries according to the battery manufacturer's instructions and local regulations. Warning: • 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 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 right side cover. See "Right side cover assembly removal" on page 4-58. 2. Remove the three screws (A) from the USB port. A 4-6

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Controller board removal
Warning:
•
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 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 right side cover. See
“Right side cover assembly removal” on page 4-58
.
2.
Remove the three screws (A) from the USB port.
CAUTION
This product contains a lithium battery. THERE IS A RISK OF EXPLOSION IF THE BATTERY
IS REPLACED BY AN INCORRECT TYPE. Discard used batteries according to the battery
manufacturer’s instructions and local regulations.
A
4-6