"suggestions":["suggestion":"CH340 driver download","score":0.84,"suggestion":"Universal Gcode Sender setup guide","score":0.7,"suggestion":"GRBL settings for 3040 CNC","score":0.68]
: Download and install Mach3. Do not select the "parallel port driver" during installation if you are using a USB connection. 3040 cnc usb setup
: Ensure the control box is plugged into a stable wall outlet and powered on. USB alone usually powers the controller board, but the stepper motors and spindle require the main power supply. Accessories : Connect any additional components like the Z-axis probe "suggestions":["suggestion":"CH340 driver download"