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Old 06-25-2009, 05:15 PM   #1
Chuck56
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Epson Scanner and Slackware 12.2


After nearly 2 days of wrestling with my new Epson Perfection V300 Photo USB Flatbed Scanner, it's working! I'm not going to admit to all the stupid things I did. I tried the SlackBuilds for iscan but they didn't work this time which is a first for me.

What I found after much searching was the V300 used a Sane backend named "epkowa" plus required a plugin named "esci-interpreter-gt-f720". I found rpm packages at:

http://avasys.jp/hp/menu000000500/hpg000000442.htm

iscan-2.20.0-6.i386.rpm
esci-interpreter-gt-f720-0.0.1-2.i386.rpm

I used src2pkg to convert them to Slackware packages:

src2pkg -VV iscan-2.20.0-6.i386.rpm
src2pkg -VV esci-interpreter-gt-f720-0.0.1-2.i386.rpm

I installed the resulting src2pkg packages with pkgtool then made some other system changes. I added my user to the scanner group in /etc/groups. Then I added "epkowa" to /etc/sane.d/dll.conf. Next I opened a bash window as root and issued:

lsusb
sane-find-scanner

These gave me the vendor/product numbers and the USB hub/device numbers and also let me know my device was "not known". This is the point I lost a great deal of time. I didn't see anything in the documentation or searches that told me I need to run the following:

iscan-registry -a interpreter usb 0x04b8 0x0131 /usr/lib/esci/esci-interpreter-gt-f720

That command created the file /var/lib/iscan/interpreter and now my scanner could be found. The green Power/Scan button flashed and it started to make noise with:

scanimage -L

It's alive! Some of the other nice commands available at this point are:

scanimage -d test -T

which checks out if sane is configured properly which it was and:

scanimage -d epkowa -T

which told me my Sane epkowa backend was good to go. The last step for me was to issue a command to change device permissions so I could use the scanner as my normal user, not just root:

chown root:scanner /dev/bus/usb/001/00x

where x is the device number from the earlier lsusb command.

This is not a perfect solution. I'm probably missing something on udev that would make this easier. All I know is my V300 is working and I want to spread the word that the Epson V300 works in Slackware!
 
Old 06-25-2009, 05:29 PM   #2
Alien Bob
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Registered: Sep 2005
Location: Eindhoven, The Netherlands
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You should add this as an article in the LQ wiki perhaps. Otherwise this bit of knowledge will disappear from view in a few days when new threads take its place on the forum's front page.

Eric
 
Old 06-25-2009, 05:46 PM   #3
Chuck56
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Registered: Dec 2006
Location: Colorado
Distribution: Slackware
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Quote:
Originally Posted by Alien Bob View Post
You should add this as an article in the LQ wiki perhaps. Otherwise this bit of knowledge will disappear from view in a few days when new threads take its place on the forum's front page.

Eric
It should show up in site and engine searches. Thank you for the "atta boy". I'll look at wiki and see if I'm up to the task.
 
Old 06-28-2009, 11:37 AM   #4
Stroker
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Registered: Dec 2006
Location: The Nature Coast
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Quote:
Originally Posted by Chuck56 View Post
It should show up in site and engine searches.
Apparently not, since the information you needed was already posted here: http://www.linuxquestions.org/questi...92#post3102392

My slackbuild readme explains why the the SlackBuilds.org Epson scanner scripts won't work and it builds a Slackware udev rules file for the entire line of Epson scanners. I tried to submit my build script and udev rules to 'the team' but they don't seem to be interested. So, anyone trying to use an Epson scanner on Slackware will likely continue the same process you and I had to... figure it out on their own. On a positive note, I did learn a lot in the process.
 
Old 06-29-2009, 07:50 AM   #5
Chuck56
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Registered: Dec 2006
Location: Colorado
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Quote:
Originally Posted by Stroker View Post
Apparently not, since the information you needed was already posted here: http://www.linuxquestions.org/questi...92#post3102392
But I did find your post and I read it more than once. It was the most useful post I found and gave me encouragement to not give up. Take care!
 
Old 07-12-2009, 10:40 PM   #6
Stroker
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Registered: Dec 2006
Location: The Nature Coast
Distribution: Slackware 01001101
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Quote:
Originally Posted by Chuck56 View Post
But I did find your post and I read it more than once. It was the most useful post I found and gave me encouragement to not give up. Take care!
I see my buildscript has been outdated. If you told me it didn't work for you I could have helped. I have updated my buildscript for iscan v2.20-6.

BTW, to 'register' your scanner iscan expects the firmware path as well. I guess it is working for you with it, but you can see the proper 'registration' command by looking at the rpm install script. You can extract it with this command:

rpm -q -p esci-interpreter-gt-f720-0.0.1-2.i386.rpm --scripts

Which should show the following 'registration' command:

iscan-registry --add interpreter usb 0x04b8 0x0131 \
/usr/lib/esci/libesci-interpreter-gt-f720 \
/usr/share/esci/esfw8b.bin
 
  


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