[sane-devel] Brother DCP-J315W

[Ralph Little]

Hi,
Also, I believe that the only 3 library files you need be concerned about
for your device are the ones from the brscan3 package that are named
libsane-brother3*

Cheers,
Ralph

On Wed, May 14, 2025 at 3:47 PM David Brown <davown2000.db at gmail.com> wrote:

> Hi Ralph,
>
> Thanks for getting back to me.  After I submitted my query I re-checked my
> notes and tweaks from past 6 installs and found my scanner now works after
> I re-copied files as follows:
> sudo cp /usr/lib64/sane/libsane-brother* /usr/lib/x86_64-linux-gnu/sane
>
> This command copied 3 new files across.  There were 6 libsane-brother
> files already but not the missing 3 which are listed below and scanner now
> working (previous error message was "Missing Drivers").
> The three new files this copy command copied were:
> libsane-brother1.so
> libsane-brother1.so.1.0.7
> libsane-brother2.so.1.0.7
>
> I don't what the difference is between these three files or which one or
> combination worked.
> I don't know why the missing 3 files were not previously copied???  I had
> run this command before but may have had a syntax error - hard to say.
> It's all a mystery to me.
>
> The above solution is but part of a sequence of tweaks I used on 24.04.1
> based on past years.
> Basically - whenever I blow up my system and need a fresh install.  It
> happens lol.
>
> Other tweaks include:
>
> Edit 60-libsane1.rules 		cmd: sudo nano //usr/lib/udev/rules.d/60-libsane1.rules			# Brother scanner			ATTRS{Vendor}==”04f9”, ENV{libsane_matched}=”yes”
>
> sudo mkdir //usr/lib/sane
>
> sudo cp /usr/lib64/sane/libsane-brother* /usr/lib/sane
>
> In 2022 Brother suggested installing USB patch file (google Brother legacy USB)
>
> dpkg-i brotherlegacyusb-1.1.0-0.all.deb
>
>
> On 17/3/25 I edited /usr/lib/udev/hwdb.d/20-sane.hwdb and added:
>
> usb:v04f9p0254*
>
> libsane-matched=yes
>
>
> 13/4/25 I tried installing libusb but this was already the latest version.
>
> sudo apt-get install libusb-0.1-4
>
>
> As you can see I have been through the wringer on trying different stuff over the years.
>
> I can't tell you which of these tweaks are essential or not but hopefully they mean something to your team???
>
> Happy to help you guys if you have any questions but my knowledge of linux is a tad limited.
>
> I was more a DOS player in my day.  Now retired and blow up Ubuntu systems for a hobby.
>
> Cheers
>
> David
>
>
> On Wed, May 14, 2025 at 10:40 PM Ralph Little <skelband at gmail.com> wrote:
>
>> Hi,
>>
>> On Wed, May 14, 2025 at 4:52 AM David Brown <davown2000.db at gmail.com>
>> 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.
>>>
>>>
>> As an aside, you may need to install the additional package libusb-0.1-4.
>> I have seen others have this issue with brscan3.
>>
>>
>>> Can you guys shed any light on what has changed or what I need to tweak
>>> to get my scanner recognised?
>>>
>>> Cheers
>>> David
>>>
>>
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