Using Intrepid, I've got exactly the same problem with a multifunction printer & scan HP C5280.
Notice that I'm using a laptop (Dell studio 17) with an integrated webcam.
XSane works without anuy problem.
gnomescan: 0.4.1-0ubuntu4
:~$ scanimage -L
device `v4l:/dev/video0' is a Noname Laptop_Integrated_Webcam_2M virtual device
device `hpaio:/usb/Photosmart_C5200_series?serial=MY88SG215C0559' is a Hewlett-Packard Photosmart_C5200_series all-in-one
:~$ scanimage
scanimage: open of device v4l:/dev/video0 failed: Invalid argument.
Hi!
Using Intrepid, I've got exactly the same problem with a multifunction printer & scan HP C5280.
Notice that I'm using a laptop (Dell studio 17) with an integrated webcam.
XSane works without anuy problem.
gnomescan: 0.4.1-0ubuntu4
:~$ scanimage -L Integrated_ Webcam_ 2M virtual device /usb/Photosmart _C5200_ series? serial= MY88SG215C0559' is a Hewlett-Packard Photosmart_ C5200_series all-in-one
device `v4l:/dev/video0' is a Noname Laptop_
device `hpaio:
:~$ scanimage
scanimage: open of device v4l:/dev/video0 failed: Invalid argument.
Note although that the bug #312097 seems to be a duplicate from this one. /bugs.launchpad .net/ubuntu/ +bug/312097
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I'll try the PPA and I'll give feedback.