Hi Don, On Sun, Oct 5, 2025 at 6:22 AM Don Pitcher <[email protected]> wrote:
> Hello Ralph, > > Thank you again for helping resolve SANE not being able to find my Brother > scanner. Adding the libusb-0.1-4 driver solved the problem when using > Linux Mint. > > I am now using Fedora 42 and SANE is not able to find my Brother scanner > (MFC-9320CW). Here is what I have done in an attempt to resolve this > problem. > > Step 1) verify scanimage does not find my scanner by using the following > command, $ sudo scanimage -L > > Step 2) perform $ lsusb command. This shows the computer sees my scanner. > > Step 3) install libusb-compat-0.1 > > Step 4) run this command to determine if scanimage finds the brother3 > driver, $ strace scanimage -L 2>&1 | grep ".so" > > Step 5) since scanimage did not find the brother3 driver, I added brother3 > to /etc/sane.d/dll.conf > > Step 6) I then created /etc/sane.d/dll.d/brother3 file with the following > text, usb 0x04f9 0x021c > > Step 7) reboot > > Step 8) Now the brother3 driver is shown when running the following > command, $ strace scanimage -L 2>&1 | grep ".so" > > Step 9) scanimage again does not find my scanner with the following > command, $ scanimage -L > > Step 10) sane-find-scanner claims a scanner is not found, but finds a > possible scanner which has the correct vendor and product ID for my scanner. > > I have run out of ideas after all of these steps. Do you have any > recommendations to resolve this problem with Fedora 42? > > This sounds like a permissions issue. At the end did you try scanimage with sudo also? Perhaps have a look at the output of: SANE_DEBUG_DLL=5 scanimage -L ...to see if it suggests anything. Cheers, Ralph
