Note: without sudo I got the error messages could not open USB device 0x1d6b/0x0003 at 002:001: Access denied (insufficient permissions) # Most Scanners connected to the parallel port or other proprietary ports # Not checking for parallel port scanners. Try scanimage -L and read the backend's manpage. # Your USB scanner was (probably) detected. # you have loaded a kernel SCSI driver for your SCSI adapter.įound USB scanner (vendor=0x06cb, product=0x009a) at libusb:001:005įound USB scanner (vendor=0x04b8, product=0x0116 ) at libusb:001:009 If you expected something different, make sure that # scanner is powered up and properly connected to your computer. # result is different from what you expected, first make sure your # sane-find-scanner will now attempt to detect your scanner. Then, sane-find-scanner found the scanner $ sudo sane-find-scanner I post at the bottom the (usual) installation steps I took prior to checking if my PC finds the scanner. I mean to install scanner Epson 3170 Photo under Ubuntu 20.04.