[sane-devel] Scanner Basics

Gene Heskett gene_heskett at iolinc.net
Sat Nov 16 16:00:47 GMT 2002


On Saturday 16 November 2002 09:04, Karl F. Larsen wrote:
>If you load Red Hat 8.0 Linux and look around you will see a Sane
>button under Imaging and it's so easy to just click this and in
> general it comes up and you say yes to the license thing and then
> it says "can't find Scanner".
>
>	Now what?
>
>	If your very persistent you will join the Sane list and be told a
>lot of stuff that is good but confusing. Then your told the
> secret. The secret is to divide and win. The first thing to do is
> make sure Sane can FIND the scanner.
>
>	The writers of Sane made a very important tool. It is software
>called "sane-find-scanner". This software lets you divide the
> problem into parts. Now I don't care whether my scanner works,
> I'm just going to make sure SANE CAN FIND MY SCANNER.
>
>	The next step is to look for the scanner. In a Terminal window
> make it a super user with su- and provide your root password. Now
> type this:
>
>		sane-find-scanner <Enter>
>
>It will either print out some words but have zero information, or
> it will find the scanner. The out put when a scanner is found
> looks like this:
>
># Note that sane-find-scanner will find any scanner that is
> connected # to a SCSI bus and some scanners that are connected to
> the Universal # Serial Bus (USB) depending on your OS. It will
> even find scanners # that are not supported at all by SANE. It
> won't find a scanner that # is connected to a parallel or
> proprietary port.
>
># You may want to run this program as super-user to find all
> devices. # Once you found the scanner devices, be sure to adjust
> access # permissions as necessary.
>
>sane-find-scanner: found USB scanner (vendor = 0x04b8, product =
> 0x010f) at device /dev/usb/scanner0
>
>	Please notice that the last line that starts sane-find-scanner:
>lists all the data about your scanner so you KNOW Sane has found
> the scanner you want to use. Of course This is my scanner and
> it's plugged into the first USB port /dev/usb/scanner0
>
>	Now to get to this happy point you will need to do perhaps a lot
> of things. There is a lot of help in the manuals you can reach by
> typing man sane in your terminal. Depending on the type of
> scanner you will need to do some tricky stuff. First read man
> sane and it will lead you to, in my case man-usb. There I learned
> how to find out the numbers that represent my scanner.
>
>	Then I tried to remove the scanner module with "rmmod scanner"
> and discovered it was not even loaded! I then did cat
> /proc/bus/usb/devices and learned my Epson scanner has the number
> 0x04b8 and my model is 0x01f. Then following the information in
> the man page I used modprobe to load scanner with the scanner
> data. It looks like:
>
>	modprobe scanner vendor=0x04b8 product=0x01f
Unforch, you've miss-typed it twice now, product=0x010f

>Before I did this sane-find-scanner found nothing. After it found
> my scanner. I will put this line into the /ect/rc.d/rc.local file
> so I don't have to type it in every time.
>
>	So my new condition is this: My scanner still does not work, but
> now I know Sane does find my scanner, and now the question is why
> does it not work?

Did you actually enter the product=0x010f wrongly in your rc.local 
file?
-- 
Cheers, Gene
AMD K6-III at 500mhz 320M
Athlon1600XP at 1400mhz  512M
99.19% setiathome rank, not too shabby for a WV hillbilly



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