before order , pls check your A30T printer has Smartto_MB_V1.0 board or GTM32 _103_v1 board ,
it will be written on the board itself .
pls order same board as your printer originally has .
if it is GTM32 _103_v1 board , pls order 700-001-1326
Type: 3D printer motherboard
Fit for: Geeetech A30T V1.0 Version