REPOST (original lost in transit?) > How can I start to write a backend? Hello, welcome! read: sane-backends-1.0.18/doc/backend-writing.txt http://www.xs4all.nl/~ljm/SANE-faq.html what is known about the scanner documentation is in http://www.sane-project.org/unsupported/canon-3000.html good luck with your effort. regards, Gerald