Before disassembly, please turn off the printer and disconnect the power supply to ensure safe operation.
(1)First press and hold the button of the print head case according to the following figure, and remove the print head case.
(2)Then disconnect the model cooling fan connection and extension cable, and place the print head case aside.
Use an S2.0 Allen key to unscrew the four screws holding the print head back shell, then remove the print head back shell.
Please check the print head cable on the adapter board, and then reinsert the print head cable.
If the printer still reports this error after reinserting the print head cable, the accelerometer is damaged. The accelerometer is integrated on the printhead adapter board. The adapter board needs to be replaced. Please replace the adapter board according to the following documents.