ZPrinter 650 Mainboard Replacement

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Verify Proper Fan Operation

After the printer is running, confirm that the new CPU fan is mounted and plugged in correctly. You can check if it is rotating by using a small mirror or by carefully feeling it with your finger, as shown in the photo.
Tie up nearby cables to prevent them from moving and blocking the fan.
Caution: The power inlet and wires are located above the mainboard. Be sure to exercise caution and take necessary safety precautions to avoid the risk of electric shock.

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