The message is too big perhaps. I'll post again in small chuncks as soon as I have the chance.
In the meanwhile a 16.04 user reported the scanner failure, apparently due to a libsane1 update.
See https://forum.ubuntu-it.org/viewtopic.php?f=9&t=624458 page two, this is what he gets with sane-find-scanner
# sane-find-scanner will now attempt to detect your scanner. If the
# result is different from what you expected, first make sure your
# scanner is powered up and properly connected to your computer.
# No SCSI scanners found. If you expected something different, make sure that
# you have loaded a kernel SCSI driver for your SCSI adapter.
could not open USB device 0x1d6b/0x0002 at 002:001: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0001 at 006:001: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0001 at 005:001: Access denied (insufficient permissions)
could not open USB device 0x04f2/0xb012 at 001:005: Access denied (insufficient permissions)
found USB scanner (vendor=0x04f9 [Brother], product=0x01f5 [MFC-5490CN]) at libusb:001:004
could not open USB device 0x18d1/0x4ee7 at 001:003: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0002 at 001:001: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0001 at 004:001: Access denied (insufficient permissions)
could not open USB device 0x1c4f/0x0003 at 003:003: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0001 at 003:001: Access denied (insufficient permissions)
# Your USB scanner was (probably) detected. It may or may not be supported by
# SANE. Try scanimage -L and read the backend's manpage.
# Not checking for parallel port scanners.
# Most Scanners connected to the parallel port or other proprietary ports
# can't be detected by this program.
# You may want to run this program as root to find all devices. Once you
# found the scanner devices, be sure to adjust access permissions as
# necessary.
The message is too big perhaps. I'll post again in small chuncks as soon as I have the chance. /forum. ubuntu- it.org/ viewtopic. php?f=9& t=624458 page two, this is what he gets with sane-find-scanner
In the meanwhile a 16.04 user reported the scanner failure, apparently due to a libsane1 update.
See https:/
# sane-find-scanner will now attempt to detect your scanner. If the
# result is different from what you expected, first make sure your
# scanner is powered up and properly connected to your computer.
# No SCSI scanners found. If you expected something different, make sure that
# you have loaded a kernel SCSI driver for your SCSI adapter.
could not open USB device 0x1d6b/0x0002 at 002:001: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0001 at 006:001: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0001 at 005:001: Access denied (insufficient permissions)
could not open USB device 0x04f2/0xb012 at 001:005: Access denied (insufficient permissions)
found USB scanner (vendor=0x04f9 [Brother], product=0x01f5 [MFC-5490CN]) at libusb:001:004
could not open USB device 0x18d1/0x4ee7 at 001:003: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0002 at 001:001: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0001 at 004:001: Access denied (insufficient permissions)
could not open USB device 0x1c4f/0x0003 at 003:003: Access denied (insufficient permissions)
could not open USB device 0x1d6b/0x0001 at 003:001: Access denied (insufficient permissions)
# Your USB scanner was (probably) detected. It may or may not be supported by
# SANE. Try scanimage -L and read the backend's manpage.
# Not checking for parallel port scanners.
# Most Scanners connected to the parallel port or other proprietary ports
# can't be detected by this program.
# You may want to run this program as root to find all devices. Once you
# found the scanner devices, be sure to adjust access permissions as
# necessary.