Canon N670U/N676U/LiDE20 USB flatbed scanner nor working

[Guest]

Hi,

After I upgradet to Dapper (from Breezy) I got problems with my scanner. When I try to scan it seems like the scanner hangs, and is making a terrible noice (like it is trying to scan but is stuck). It does'nt matter which scanning program I use, all of them hang at the same stage.

I have chekced the following

ls -l /dev/bus/usb/003/002
crw-rw-r-- 1 root scanner 189, 257 2006-09-07 21:07 /dev/bus/usb/003/002

ls -l /proc/bus/usb/003/002
-rw-r--r-- 1 root root 57 2006-09-07 21:06 /proc/bus/usb/003/002
I have tried to change group to scanner and rights to rw but no luck.

lsusb
Bus 004 Device 001: ID 0000:0000
Bus 001 Device 001: ID 0000:0000
Bus 003 Device 002: ID 04a9:220d Canon, Inc. CanoScan N670U/N676U/LiDE 20
Bus 003 Device 001: ID 0000:0000
Bus 002 Device 001: ID 0000:0000

grep -A 1 "CanoScan N670U/N676U/LIDE 20" /etc/udev/rules.d/45-libsane.rules
# Canon Inc.|CanoScan N670U/N676U/LIDE 20
SYSFS{idVendor}=="04a9", SYSFS{idProduct}=="220d", MODE="664", GROUP="scanner"

sane-find-scanner
<some comments cut out>
found USB scanner (vendor=0x04a9 [Canon], product=0x220d [CanoScan], chip=LM9832/3) at libusb:003:002
# Your USB scanner was (probably) detected. It may or may not be supported by
# SANE. Try scanimage -L and read the backend's manpage.

scanimage -L
device `plustek:libusb:003:002' is a Canon N670U/N676U/LiDE20 USB flatbed scanner

When running scanimage -L , scanimage hangs for a bit the scanner starts to make those terrible noice and then scanimage gives me the resault, but the scanner keeps sounding badly. I have to unplug it to make it stop (and of course when i plug it back in the bus and device change).

Someone got any id'e on what is causing this problem?

[The Liquidator]

Re: Canon N670U/N676U/LiDE20 USB flatbed scanner nor working

I have read elsewhere that Canon is notorious for its lack of Linux support. However, from your post can we conclude that it worked with breezy?

Ian

[Guest]

Re: Canon N670U/N676U/LiDE20 USB flatbed scanner nor working

That's right, it worked like a dream with Breezy.  The scanner works fine in XP, which I am running in VMWare on my machine, so I know it is not the scanner that is the problem.  For me it seems like a driver problem.

[diesel1]

Re: Canon N670U/N676U/LiDE20 USB flatbed scanner nor working

Sorry!
I do not know the answer to this problem but I also have exact behaviour you describe.  I have to unplug/reset/restart kooka several times then it will work for a few scans and then back to hanging.

Diesel1.