A followup on previous comment: I installed and used xsane, and it works without fail.
Reviewing the information on the link you provided: ====== "if everything works with xsane, the problem is within Simple Scan and we will look into it" ======= It appears the problem is with Simple Scan. xscan info: Vendor: Canon Model: CanoScan N1220U Type: flatbed scanner Device: 004 Loaded backend: plustek:libusb:002 Sane version: 1.0.22 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to the bug report. https://bugs.launchpad.net/bugs/843361 Title: simple-scan crashed with SIGSEGV in g_closure_invoke() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/simple-scan/+bug/843361/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs