Phenomenon

• When connecting the machine to Luban software, it shows 'The machine is not ready' or 'Cannot open the port'.

Methods

• Install the CH340 driver first  https://snapmaker.com/product/snapmaker-2/downloads

• Follow the steps below to make sure of the correct port. 
  
  1. Connect the machine to a computer via a USB cable, and then power it on. 
  
  2. Tap the Windows logo key and the R key at the same time on the computer. 
  
  3. Type devmgmt.msc in the search box and click on the OK button. 
  
  4. Expand the Ports (COM & LPT) category and locate the CH340 entry. You'll see the correct COM port here.
  
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  5. Open Snapmaker Luban software, select the correct port, and try again.

More questions, please send an email to support@snapmaker.com