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Epson Perfection 636U (USB Scanner) detected, xsane hates it
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linuxbeak
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Joined: 08 Mar 2005
Posts: 16
Location: Rhode Island

PostPosted: Tue Mar 08, 2005 1:08 am    Post subject: Epson Perfection 636U (USB Scanner) detected, xsane hates it Reply with quote

I've got an Epson Perfection 636U. From what webpages are telling me, it's fully supported... but with more research people with the same scanner are saying that the libusb upgrade broke the support. When I do sane-find-scanner, it gives me

Code:
found USB scanner (vendor=0x04b8 [EPSON], product=0x0101 [Perfection636]) at libusb:004:002


scanimage -L spits out

Code:
device `epson:libusb:004:002' is a Epson Perfection636 flatbed scanner


Okay... great. Now that I know that my scanner actually exists, I go to try xsane. After about a minute or so of (supposedly) detecting the scanner, I try to aquire a preview. After waiting about 45 seconds or so, an error message pops up:

Code:
Failed to start scanner: Error during device I/O.


Wonderful. So, the scanner exists but apparently it's incapable of communicating anything useful. I've tried all of these steps both as root and non-root.

System information: kernel 2.6.10-gentoo-r6
Pentium 4 2.4 GHz
512 MB DDR RAM
Gentoo

Can someone help me out here?
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linuxbeak
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Joined: 08 Mar 2005
Posts: 16
Location: Rhode Island

PostPosted: Tue Mar 08, 2005 1:29 am    Post subject: Reply with quote

I figured out what the problem was... sort of.

After reemerging xsane, root was able to scan images. Under a non-root user, xsane says that no device exists. I think I can figure it out, though.
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