<div dir="ltr"><div dir="ltr">Hi Don,</div><br><div class="gmail_quote gmail_quote_container"><div dir="ltr" class="gmail_attr">On Sun, Oct 5, 2025 at 6:22 AM Don Pitcher <<a href="mailto:donpitcher2000@proton.me">donpitcher2000@proton.me</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div style="font-family:Arial,sans-serif;font-size:14px">Hello Ralph,</div><div style="font-family:Arial,sans-serif;font-size:14px"><br></div><div style="font-family:Arial,sans-serif;font-size:14px">Thank you again for helping resolve SANE not being able to find my Brother scanner. Adding the <span>libusb-0.1-4 driver solved the problem when using Linux Mint.</span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span><br></span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span>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.</span></div>
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<div style="font-family:Arial,sans-serif;font-size:14px"><br></div><div style="font-family:Arial,sans-serif;font-size:14px">Step 1) verify scanimage does not find my scanner by using the following command, $ sudo scanimage -L</div><div style="font-family:Arial,sans-serif;font-size:14px"><br></div><div style="font-family:Arial,sans-serif;font-size:14px">Step 2) perform $ lsusb command. This shows the computer sees my scanner.</div><div style="font-family:Arial,sans-serif;font-size:14px"><br></div><div style="font-family:Arial,sans-serif;font-size:14px">Step 3) install <span>libusb-compat-0.1 </span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span><br></span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span>Step 4) run this command to determine if scanimage finds the brother3 driver, $ <span>strace scanimage -L 2>&1 | grep ".so"</span></span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span><br></span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span>Step 5) since scanimage did not find the brother3 driver, I added brother3 to <span>/etc/sane.d/dll.conf</span></span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span><span><br></span></span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span><span>Step 6) I then created <span>/etc/sane.d/dll.d/brother3 file with the following text, <span>usb 0x04f9 0x021c</span></span></span></span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span><span><span><span><br></span></span></span></span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span><span><span><span>Step 7) reboot</span></span></span></span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span><span><span><span><br></span></span></span></span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span><span><span><span>Step 8) Now the brother3 driver is shown when running the following command, <span style="display:inline;background-color:rgb(255,255,255)">$ </span><span style="background-color:rgb(255,255,255)">strace scanimage -L 2>&1 | grep ".so" </span></span></span></span></span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span><span><span><span><span style="background-color:rgb(255,255,255)"><br></span></span></span></span></span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span><span><span><span><span style="background-color:rgb(255,255,255)">Step 9) scanimage again does not find my scanner with the following command, $ scanimage -L</span></span></span></span></span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span><span><span><span><span style="background-color:rgb(255,255,255)"><br></span></span></span></span></span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span><span><span><span><span style="background-color:rgb(255,255,255)">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.</span></span></span></span></span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span><span><span><span><span style="background-color:rgb(255,255,255)"><br></span></span></span></span></span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span><span><span><span><span style="background-color:rgb(255,255,255)">I have run out of ideas after all of these steps. Do you have any recommendations to resolve this problem with Fedora 42?</span></span></span></span></span></div><div style="font-family:Arial,sans-serif;font-size:14px"><span><span><span><span><span style="background-color:rgb(255,255,255)"><br></span></span></span></span></span></div></blockquote><div><br></div><div></div><div>This sounds like a permissions issue. At the end did you try scanimage with sudo also?</div><div><br></div><div>Perhaps have a look at the output of:</div><div><br></div><div>SANE_DEBUG_DLL=5 scanimage -L</div><div><br></div><div>...to see if it suggests anything.</div><div><br></div><div>Cheers,</div><div>Ralph</div></div></div>