When trying to connect the machine to the Snapmaker Luban, it shows “The machine is not ready” or “Cannot open this port”.
- You haven't installed the CH340 driver.
- You attempted to connect to the wrong port.
1. Download and install the CH340 driver here.
2. Find the correct port following the steps below. Then launch Luban and try again.
2.1 Connect the machine to a computer via a USB cable, and then turn on the machine.
2.2 Press the Win key and the R key at the same time
2.3 Input devmgmt.msc in the search box and click OK.
2.4 In the pop-up Device Manager window, expand Ports (COM & LPT), and the correct COM port to connect is the one with CH340 in its name.