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Re: simple-scan fails with Canon LiDE 300--except as root

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On Sat 09 Jan 2021 at 13:22:30 +0000, Dr. Jennifer Nussbaum wrote:

>  
>     On Saturday, January 9, 2021, 08:07:37 AM EST, Brian <ad44@cityscape.co.uk> wrote:  
>  
>  > On Sat 09 Jan 2021 at 12:55:07 +0000, Dr. Jennifer Nussbaum wrote:
> >
> > Can you scan by choosing airscan, eSCL (note the lower case e), from
> > simple-scan's drop-down menu.
> 
> This did work at first, and I was very excited! However, it worked on
> a text scan; whenI tried an image scan, it hung for several minutes
> with the error"Unable to find colord device airscan:e0:Canon LiDE 300
> (USB): property match 'Serial'='sane:airscan:e0:Canon LiDE 300 (USB)'
> does not exist",and then after that I was unable to do another text
> scan--with no error, it justhung.

This is now getting above my pay grade, Jennifer. Could be a simple-scan
bug or one in the device's firmware or in sane-airscan. Try switching
the Canon off and disconnecting from USB. Re-power and re-plug after
about a minute.

> > > > Would you also try
> > > >
> > > > xsane "airscan:e0:Canon LiDE 300 (USB)">
> > > > and
> > > >
> > >  > xsane ?
> > > I don't have xsane installed. Is that just for background info? I've
> > > used it in the past, and always foundit far too complicated to bother
> > > with.
> >
> > You can always remove it afterwards, but I wanted to know which of
> > the options it offers work. A preview is enough to do.
> xsane works perfectly, whether or specify airscan from the
> commandline, orif I just run it bare and then select either the pixma
> or the eSCL airscandevice from the select box.

This, at least, gives you working scanning.

-- 
Brian.

  

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Thread

simple-scan fails with Canon LiDE 300--except as root Jen Nussbaum <bg271828@yahoo.com> - 2021-01-08 23:50 +0100
  Re: simple-scan fails with Canon LiDE 300--except as root ghe2001 <ghe2001@protonmail.com> - 2021-01-09 00:30 +0100
    Vim fails with some unspecified out-of-memory error [was: Re:  simple-scan fails with Canon LiDE 300--except as root] Andrei POPESCU <andreimpopescu@gmail.com> - 2021-01-09 07:50 +0100
  Re: simple-scan fails with Canon LiDE 300--except as root Brian <ad44@cityscape.co.uk> - 2021-01-09 01:10 +0100
    Re: simple-scan fails with Canon LiDE 300--except as root "Dr. Jennifer Nussbaum" <bg271828@yahoo.com> - 2021-01-09 05:00 +0100
      Re: simple-scan fails with Canon LiDE 300--except as root Brian <ad44@cityscape.co.uk> - 2021-01-09 13:20 +0100
        Re: simple-scan fails with Canon LiDE 300--except as root "Dr. Jennifer Nussbaum" <bg271828@yahoo.com> - 2021-01-09 13:40 +0100
          Re: simple-scan fails with Canon LiDE 300--except as root Brian <ad44@cityscape.co.uk> - 2021-01-09 13:50 +0100
            Re: simple-scan fails with Canon LiDE 300--except as root "Dr. Jennifer Nussbaum" <bg271828@yahoo.com> - 2021-01-09 14:00 +0100
              Re: simple-scan fails with Canon LiDE 300--except as root Brian <ad44@cityscape.co.uk> - 2021-01-09 14:10 +0100
                Re: simple-scan fails with Canon LiDE 300--except as root "Dr. Jennifer Nussbaum" <bg271828@yahoo.com> - 2021-01-09 14:30 +0100
                Re: simple-scan fails with Canon LiDE 300--except as root Brian <ad44@cityscape.co.uk> - 2021-01-09 14:50 +0100
                Re: simple-scan fails with Canon LiDE 300--except as root Brian <ad44@cityscape.co.uk> - 2021-01-09 15:20 +0100

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