It is the signal cable from the MC board to the extruder board on the toolhead.
H1.5/H2.0 hex key
Disconnect the power cord cable
Refer to the content of the Rear panel to remove the rear panel, and then disconnect the toolhead cable from the MC board.
Unscrew the 4 screws that fix the rear housing of the toolhead and remove the rear housing.
Disconnect the extruder FPC cable and the motor cable, unscrew the 3 screws with the H1.5 hex hey, and loosen the extruder board. Then flip the extruder board over, disconnect the cable at the bottom of the extruder board, and remove the extruder board.
Unhook the toolhead cable from the 3 cable clips.
Loosen the toolhead cable from the cable slot and pull out the cable.
Pass the two ends of the cable through the cable hole respectively, and stuff the cable into the cable slot.
Connect the cable to the connector on the MC board first, and then connect it to the extruded board.
Turn the extruder board over, with the motor connector facing outward, install it on the tool head, lock in 3 screws to fix it, and connect the extruder FPC and the motor cable.
Install the rear housing of the toolhead and lock in 4 screws.
Refer to the contents of the Rear panel to install the rear panel.
1. Visually check the appearance, the joint positions are free of misalignment and floating;
2. Power on the printer and run the device self-test process. If the self-test passes, the operation is successful.