Source: https://bugs.launchpad.net/ubuntu/+source/sane-backends/+bug/311191
Binary package hint: libsane
Epson 3490 wont run without the following modification
The following steps did it for me (running 8.04 Hardy, 8.10, 9.04):-
1) sudo apt-get install sane-utils
2) Go to the Users and Groups screen and add yourself (and other
scanner users) to the "scanner" group.
3) Log off and on (or reboot) to make 2) effective.
4) sudo mkdir /usr/share/sane/snapscan
5) sudo cp Esfw52.bin /usr/share/sane/snapscan
6) sudo chmod 644 /usr/share/sane/snapscan/Esfw52.bin
7) sudo gedit /etc/sane.d/snapscan.conf
Change firmware entry to say:-
firmware /usr/share/sane/snapscan/Esfw52.bin
Please note point 6 as the file was initially created with insufficient access.
Firmware .bin is attacted
http://ubuntuforums.org/showthread.php?t=108256&page=6 - is the scanner being discussed
=================
# How to scan from the shell:
scanimage --device-name snapscan:libusb:002:006 --resolution 200 --high-quality=no --mode Color --format=pnm > lastscan.pnm
# Convert the file to jpg:
convert lastscan.pnm 01.jpg
# To convert all the pnm files to jpg files, type this command on one line:
for i in `ls *.pnm`; do convert $i $i.jpg; done
=================
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