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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 12:55:07 +0000, Dr. Jennifer Nussbaum wrote:

>  
>    > On Saturday, January 9, 2021, 07:43:41 AM EST, Brian <ad44@cityscape.co.uk> wrote: > > On Sat 09 Jan 2021 at 12:31:43 +0000, Dr. Jennifer Nussbaum wrote:
> >
> > >  On Saturday, January 9, 2021, 07:19:39 AM EST, Brian <ad44@cityscape.co.uk> wrote:
> >  >
> >  > > Install sane-airscan and give
> > > >
> > > > scanimage -L
> > > $ scanimage -L> > device `pixma:04A91913_47A8A4' is a CANON CanoScan LiDE 300 multi-function peripheraldevice `escl:http://127.0.0.1:60000' is a Canon LiDE 300 (USB) flatbed scannerdevice `airscan:e0:Canon LiDE 300 (USB)' is a eSCL Canon LiDE 300 (USB) ip=127.0.0.1
> > > > and
> > > >
> > > > airscan-discover
> > > $ airscan-discover > > [devices]  Canon LiDE 300 (USB) = http://127.0.0.1:60000/eSCL/, eSCL
> > > When I try to run simple-scan now, it's the same result as before; debug shows the airscan, but I still get the out-of-memory error.
> > > Thank you for sticking with this.
> >
> > How do you go on with
> >
> >  simple-scan "airscan:e0:Canon LiDE 300 (USB)" ?
> This works. (As it did when we specified the "pixma" interface.)

Thanks. I still do not understand how the pixma backend can work.
ipp-usb has control of USB; pixma should be unable to access the USB
bus.

Can you scan by choosing airscan, eSCL (note the lower case e), from
simple-scan's drop-down menu.

> > 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.

-- 
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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