I have try to scan a grayscale document in "Text" mode (black and white), the result looks horrible (look at the attachment). Only a "Photo" scan is great for this kind of document (look at next comment). So my conclusion is that a third option is needed to scan grayscale documents.
** Attachment added: "Text Scan.jpg" http://launchpadlibrarian.net/41769065/Text%20Scan.jpg -- "Text" scan is in black-and-white, not greyscale https://bugs.launchpad.net/bugs/521323 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs