H2.0 hex key
To prepare for the next steps, shut down the printer and safely remove the SD card.
Remove the sealing foam by hand.
Using tweezers, carefully disconnect the camera FPC， LED fill light cable, and the WIFI antenna cable. Then, using the H2.0 hex key, remove the four screws that hold the AP board in place.
To remove the AP main board from the frame, first, disconnect the screen cable and the MC board cable that are attached to it. Then carefully lift the AP board off of the frame.
To correctly install the new AP board, carefully align it with the connectors on the frame. Then, using the appropriate cables, connect the MC-AP cable and the screen cable to the connectors on the AP board.
To prepare for the next steps, carefully guide the screen cable through the cable hole, taking care not to damage the WIFI cable in the process. Once the screen cable is in place, carefully install the AP board onto the frame, aligning it with the notches to ensure that it is correctly positioned.
After installing the AP board, use the appropriate screws to secure it in place. Then, carefully connect the camera FPC, the LED fill light cable, and the WIFI antenna cable to the AP board using the appropriate connectors.
To complete the installation process, apply the sealing foam to the surface of the AP board as shown in the image below.
1. After completing the installation process, turn on the printer and check that the screen is functioning properly and that the keys are responsive.
2. To confirm that the installation was successful, run the device self-check process. If the self-check process passes, the operation is successful.