[sane-devel] Problem with Canon Lide 220 scanner / sane / genesys: Device busy after computer start

[Kelly Price]

These are from the PPA, right?

On Wed, Dec 15, 2021 at 12:05 PM <thillosen at free.fr> wrote:
>
> I'm experiencing problems with a Canon Lide 220 scanner.
> Everything worked fine right without any tweaking when I was in an older
> version of Linux Mint Mate Edition (based on Ubuntu).
> Since I updated to Linux Mint Mate 20.2 ("focal"), I'm now experiencing
> weird behavior with my scanner.
> My Canon Lide 220 scanner is handled by sane and genesys.
>
> After booting, lsbusb can see my scanner:
> Bus 001 Device 003: ID 04a9:190f Canon, Inc. CanoScan LiDE 220
>
> sane-find-scanner is also able to find it correctly:
> found USB scanner (vendor=0x04a9 [Canon], product=0x190f [CanoScan],
> chip=GL848+) at libusb:001:003
>
> But scanimage -L is failing to list any scanner.
> It doesn't report any error, even if I call it with SANE_DEBUG_DLL=5
>
> Interestingly, if I try:
> scanimage --device "genesys:libusb:001:003" --format=tiff > test.tiff
> Then it reports me: "Failed: device busy".
>
> I found a weird bypass to get the scanner working:
> If I keep pushing the physical "Send" button on the scanner and then
> start a scan program on the computer, eventually, it may start working.
> Then, once one scan worked, I don't need to play with the physical
> buttons on the scanner anymore: I can do any scans I want directly from
> the computer.
>
> I never had this problem before.
> Previously, I was able to start scans from the computer, without having
> to feedle with the physical buttons on the scanner.
>
> Currently, I'm using libsane-1.0.32-focal0, libsanecommon-1.0.32-focal0
> and sane 1.0.14-15
>
> Is this a bug in my version of sane?
> Or do I need to configure something to fix this problem?
> Please ask if you want me to log additional details.
>
> Thanks,
>
> Andreas THILLOSEN
>


-- 
Kelly "STrRedWolf" Price
http://redwolf.ws