Scanner not detected in simple-scan in Ubuntu ( for scanner use only with usb connect )

#apt list *sane*

# sane-find-scanner

# scanimage -L 

# sudo apt install simple-scan 


sudo snap remove simple-scan
sudo apt install simple-scan
sudo snap install simple-scan
sudo snap connect simple-scan:raw-usb
raw-usb     

Because raw-usb is a very privileged plug, it's not auto connected. And this command will manually connect it

 

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