I installed the driver from brothers website but I get the following error when I try to configure it.
It sees it connected
found USB scanner (vendor=0x04f9 [Brother], product=0x0468 [DS-640]) at libusb:002:006
but scanimage -L fails, even as root.
full output:
# ./brsaneconfig5 -d
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cat /etc/fstab
#
# /etc/fstab
# Created by anaconda on Sun Nov 15 16:46:25 2020
#
# Accessible filesystems, by reference, are maintained under '/dev/disk/'.
# See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info.
#
# After editing this file, run 'systemctl daemon-reload' to update systemd
# units generated from this file.
#
/dev/sda3 / btrfs subvol=root 0 0
UUID=eb00b3cf-830b-4783-960f-5300634a8ee3 /boot ext4 defaults 1 2
UUID=0489-B5B4 /boot/efi vfat umask=0077,shortname=winnt 0 2
/dev/sda3 /home btrfs subvol=home 0 0
-----------------------------
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.
found USB scanner (vendor=0x04f9 [Brother], product=0x0468 [DS-640]) at libusb:002:006
# 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.
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ls -R -all /proc/bus/usb
ls: cannot access '/proc/bus/usb': No such file or directory
-----------------------------
cat /proc/bus/usb/devices
cat: /proc/bus/usb/devices: No such file or directory
-----------------------------
scanimage -L
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).
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ping