Re: Brother DCP-J315W

If you have the old install and installed libraries and packages are the 
same on a new what, then you may try to transfer the approriate staff from 
/etc/. There sould be no black magic around it. All settings should be 
there as a text files (sane.d,udev...) but hard to say with your 
description that it "does not work".

On Wed, 14 May 2025, David Brown wrote:

> Hi Guys,
>
> I've used various versions of Ubuntu for some years now and every time I do
> a fresh install I run into major problem getting my scanner to work
> (Brother DCP-J315W).
>
> Usually I get there after researching 3 hours and usually editing the
> 40-libsane.rules file which subsequently became 60-libsane1.rules and maybe
> 20-sane.hwdb.  Who knows - way too hard for the average user and only just
> within my skills area.  Very frustrating and a real "go back to Windows"
> moment.
>
> Recently, I upgraded my old system to Ubuntu 24.04.2 and scanner worked
> after the upgrade.  So far so good.  But then I did a fresh install of
> U24.04.2 on a new external SSD and all hell broke loose.  No amount of
> fixing or tweaking worked.  My scanner is bricked unless I boot into my old
> OS.
>
> I contacted Brother and they concluded that Ubuntu had changed something
> and neither Ubuntu forums or Brother could work it out.  Neither are too
> interested in supporting an old, possibly obsolete model.
>
> Can you guys shed any light on what has changed or what I need to tweak to
> get my scanner recognised?
>
> Cheers
> David
>