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idris33
Tux's lil' helper
Tux's lil' helper


Joined: 05 May 2003
Posts: 91

PostPosted: Thu Oct 02, 2003 3:17 am    Post subject: USB scanner - Epson Perfection 1200 (usb) Reply with quote

I have an Epson Perfection 1200U scanner and I cannot figure out how to configure it in Gentoo. I have installed all of the usb utils I can think of. It works in XP on the same box so I know that the hardware works. I have tried in the past to get usb Palms to work also, but to no avail. I have hotplug installed.

Help..............
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qwkbrnfox
Apprentice
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Joined: 05 Nov 2002
Posts: 231
Location: Vancouver, BC, Canada

PostPosted: Thu Oct 02, 2003 4:20 am    Post subject: Reply with quote

Well, first off, do you have the usb-scanner enabled in the kernel? It's in USB support->USB scanner support. If it's a module, then make sure that it loads properly when you plug it in. Do lsmod and check for 'scanner'.

A useful diagnostic would be to check the last few lines from 'dmesg' after you plug in the scanner.
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cylgalad
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Joined: 18 Apr 2003
Posts: 1327
Location: France

PostPosted: Thu Oct 02, 2003 9:11 am    Post subject: Reply with quote

Yes, you need the scanner module.
Then :
Code:
emerge sane-backends sane-frontends xsane
# as root
cd /etc/sane.d
vi epson.conf # or whatever editor you like

You should have only one line not starting with a comment (#)
Code:
usb /dev/usb/scanner0


Try sane-find-scanner to check if the scanner is recognized or directly launch xsane from X11.
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hgomersall
Tux's lil' helper
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Joined: 08 Jul 2002
Posts: 135
Location: Cambridge, UK

PostPosted: Fri Oct 03, 2003 9:19 am    Post subject: Reply with quote

Some reading material
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hgomersall
Tux's lil' helper
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Joined: 08 Jul 2002
Posts: 135
Location: Cambridge, UK

PostPosted: Fri Oct 03, 2003 10:41 am    Post subject: Reply with quote

Ok, having read around a bit, here is the crucial point (well, it was for me):

In /etc/sane.d/epson.conf, comment out "scsi Epson" and uncomment "usb /dev/usb/scanner0" or whatever your scanner device is.

hen
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idris33
Tux's lil' helper
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Joined: 05 May 2003
Posts: 91

PostPosted: Thu Oct 09, 2003 12:11 am    Post subject: Ok, I think I've found the problem, but now I have another Reply with quote

I've found that if I autoload all of the pertinent modules and append noapic in lilo.conf, I can use the scanner. However, now when I issue the dmesg command I get the following response:

APIC error on CPU0: 40(40)

This message repeats many, many times both on boot up and when I issue the dmesg command. Dmesg will show nothing else. If I deselect apic and io-apic and recompile the kernel, I cannot boot the machine. I'm not sure what to do at this point. Any help would be greatly appreciated.
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