DO NOT REPLY TO THIS MESSAGE. INSTEAD, POST ANY RESPONSES TO THE LINK BELOW. [STR Closed w/Resolution] I have the same problem with Canon Pixma MP550 (04a9:173d). Please add quirk for this printer too. Link: http://www.cups.org/str.php?L4155 Version: 1.6.1 Fix Version: 1.7-current (r10574)