Please try to scan with hpaio Sane backend. It should help. The escl Sane backend, which you are currently using, is buggy and most of issue was resolved with next Sane version.
** Changed in: simple-scan (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1912952 Title: simple-scan SANE_STATUS_NO_MEM To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/simple-scan/+bug/1912952/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs