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I have a Epson L382 printer/scanner machine and i use the software available from Epson. The scanner software do not find the scanner - after the upgrade. sane-find-scanner write this: found USB scanner (vendor=0x04b8 [EPSON], product=0x1120 [L382 Series]) at libusb:002:004 could not open USB device 0x1d6b/0x0002 at 002:001: Access denied (insufficient permissions) scanimage -L write this: No scanners were identified. If you were expecting something different, check that the scanner is plugged in, turned on and detected by the sane-find-scanner tool (if appropriate). Please read the documentation which came with this software (README, FAQ, manpages). Any solution?

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problems with permissions can normally be gotten around by using sudo .

Try this:

 sudo sane-find-scanner

Be sure your scanner is on and plugged in.

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The group of USB printer device is now lp.

It is necessary for the user to be in group lp.

You can use de command:

sudo adduser <username> lp

If you are in X session you need to logout and login again.

Confirm you have the lp group with the command id.

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