Brother MFC errors

[Keith Clark]

On Fri, 2009-07-17 at 09:19 -0500, Tommy Trussell wrote:
> On Fri, Jul 17, 2009 at 9:07 AM, Keith Clark<keithclark at k-wbookworm.com> wrote:
> > On Fri, 2009-07-17 at 08:53 -0500, Tommy Trussell wrote:
> >> On Thu, Jul 16, 2009 at 4:40 PM, Keith Clark<keithclark at k-wbookworm.com> wrote:
> >> > On Thu, 2009-07-16 at 16:02 -0500, Tommy Trussell wrote:
> >> >> Also I believe there was an update to DBUS the other day -- have you
> >> >> installed the Ubuntu updates in the past week? You may have run into a
> >> >> bug in the DBUS rules -- someone may have accidentally identified the
> >> >> Brother MFC scanner as an HP printer or something like that.
> >> >>
> >> >> Which version of Ubuntu are you running?
> >> >>
> >> >> I haven't found a DBUS troubleshooting page, but it might be helpful
> >> >> to see in more detail what it's doing when it sees your
> >> >> scanner/printer.
> >> >>
> >> >
> >> > Ubuntu 9.04 and error is:
> >> >
> >> > Failed to open device 'brother2:bus2;dev1':Error during device I/O.
> >>
> >> On my Brother DCP-7020 printer I have a proprietary driver installed
> >> to make it visible to SANE (the linux scanner software), whereas there
> >> is an open-source driver available that makes the printer work. It
> >> doesn't install itself CORRECTLY, but it does work once you know it's
> >> there.
> >>
> >> What model Brother printer do you use, and did you install the Brother
> >> driver to make any part of it work, or did it just work when you
> >> plugged it in? (I don't believe Ubuntu contains a driver that works
> >> for my scanner, though that might have changed with 9.04.)
> >>
> >> If you use the proprietary driver, I would try removing it and
> >> installing the latest version. Also note that the instructions on the
> >> Brother site http://solutions.brother.com/linux/en_us/ may have
> >> required more than just downloading and installing the package. If you
> >> had to edit the dbus files for the version you installed, the recent
> >> Ubuntu update probably blew away your changes. A newer version of the
> >> Brother driver may eliminate that problem.
> >>
> >
> > I tried updating the latest driver.  It was a .deb and installed on its
> > own (more or less).
> >
> > It still gives the same error though.
> >
> > It still works under Vista so I know it is not a hardware issue.
> 
> yes but did you follow ALL the instructions at the Brother site,
> including the Scanner Setting for Normal Users:
> 
> http://solutions.brother.com/linux/en_us/instruction_scn1c.html
> 
> This is the part that probably got blown away by the update to dbus.
> 
> I believe they could have avoided the problem completely with a clever
> udev rule specifically for the scanner. They also could have put this
> into the .deb, but they apparently haven't learned how.
> 

Tommy:

Spot on!  Fantastic.  I'm back up and running.  

Thanks a bunch!

Keith