Am Sonntag, den 03.01.2021, 18:03 +0000 schrieb Andrew Goodbody: > On 03/01/2021 17:30, Simon Matter wrote: > > > Hi > > > > > > I've got a new flatbed scanner, a Canon CanoScan Lide 300. I had a Canon > > > CanoScan Lide 220 before, which worked mostly fine. But then the lamp > > > broke. > > > Both are listed as "completely" supported on the SANE devices page. But > > > that > > > Lide 300 doesn't work. > > > > > > I'm using Ubuntu 20.04.1 with SANE version 1.0.14-15 (that's the version > > > of > > > the "sane" package). > > > > > > "xsane" says: > > > Failed to open device 'pixma::04A91913': Device busy" > > > > > > "simple-scan" first asks for which scanner to use. It provides a list with > > > one element, which is the correctly recognized CanoScan Lide 300. When > > > trying to scan, this message appears: "Failed to scan. Unable to connect > > > to > > > scanner" > > > > > > "scanimage -L" says: > > > device `pixma:04A91913' is a CANON CanoScan LiDE 300 multi-function > > > peripheral > > > > > > I'm wondering why the Lide 300 is listed as a "multi-function peripheral". > > > It's not multi-function. It's just a flatbed scanner. Maybe those buttons > > > at the scanner are meant (?). > > > > > > "scanimage --device=pixma > image.pnm" says: > > > scanimage: open of device pixma failed: Device busy > > > > > > "lsusb" says: > > > Bus 006 Device 002: ID 1058:25ed Western Digital Technologies, Inc. My > > > Book 25ED > > > Bus 006 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub > > > Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > > > Bus 004 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub > > > Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > > > Bus 002 Device 002: ID 05e3:0612 Genesys Logic, Inc. Hub > > > Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub > > > Bus 001 Device 003: ID 046d:c05b Logitech, Inc. M-U0004 810-001317 [B110 > > > Optical USB Mouse] > > > Bus 001 Device 004: ID 04f2:0402 Chicony Electronics Co., Ltd Genius > > > LuxeMate i200 Keyboard > > > Bus 001 Device 008: ID 04a9:1913 Canon, Inc. USB2.0 Hub > > > Bus 001 Device 002: ID 05e3:0610 Genesys Logic, Inc. 4-port hub > > > Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub > > > > > > The Lide 220 and the Lide 300 use different backends. For the 220 it's > > > "genesys", for the 300 it's "pixma". > > > > > > I've also found a "driver" from Canon for the Lide 300. But it's *not* a > > > SANE backend, and it doesn't work either. > > > > > > Any idea what's wrong? > > > > > > Regards, > > > Volker > > > > > > > I don't see the scanner in the lsusb output? > > > > Is the scanner connected to an USB3 port? If so, could you test it on a > > USB2 port? > > It's there as "Bus 001 Device 008: ID 04a9:1913 Canon, Inc. USB2.0 Hub" > which matches the lines > >> "scanimage -L" says: > >> device `pixma:04A91913' is a CANON CanoScan LiDE 300 multi-function > >> peripheral
Yes, that cryptic number "04a9:1913" matches what "scanimage -L" prints...
> First we need to check that you actually have a recent sane-backends
> installed and being used.
>
> Please report the results of
> $ apt policy libsane
desktop ~ $ LANG=C apt policy libsane
libsane:
Installed: 1.0.31-focal2
Candidate: 1.0.31-focal2
Version table:
*** 1.0.31-focal2 500
500 http://ppa.launchpad.net/sane-project/sane-release/ubuntu
focal/main amd64 Packages
100 /var/lib/dpkg/status
1.0.29-0ubuntu5.2 500
500 http://de.archive.ubuntu.com/ubuntu focal-updates/main amd64
Packages
1.0.29-0ubuntu5.1 500
500 http://security.ubuntu.com/ubuntu focal-security/main amd64 Packages
1.0.29-0ubuntu5 500
500 http://de.archive.ubuntu.com/ubuntu focal/main amd64 Packages
> and
>
> $ scanimage -V
desktop /tmp $ scanimage -V
scanimage (sane-backends) 1.0.31; backend version 1.0.31
This should be recent, shouldn't it? I've just installed the latest version
from the PPA, as Kelly Price has recommended.
Cheers,
Volker
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