The motherboard is the machine controller and is mounted inside the upper housing assembly.
The V400 uses the MKS nano v2.1 motherboard.
H2, H2.5 hexagonal wrench
One-way screwdriver
New motherboard
Before starting any disassembly and assembly, please make sure the machine is powered off.
Note that the wiring sequence terminals need to correspond to each other, refer to the way in the video, in order to prevent wrong connection.
Before powering on the motherboard wiring diagram for confirmation, to prevent damage to the motherboard or inoperable due to wrong line connection.
Drive direction according to the color of the assembly, also can refer to the video drive assembly.
Pay attention to anti-static when unplugging the driver, static electricity may cause damage to the driver
Pay attention to the direction when installing the driver, so that the color is the same