diff -up cups-1.6.3/backend/usb-libusb.c.usblp-quirks cups-1.6.3/backend/usb-libusb.c --- cups-1.6.3/backend/usb-libusb.c.usblp-quirks 2013-06-07 03:12:52.000000000 +0200 +++ cups-1.6.3/backend/usb-libusb.c 2013-07-12 11:39:33.000000000 +0200 @@ -158,6 +158,8 @@ static const struct quirk_printer_struct Printer, https://bugs.launchpad.net/bugs/1032456 */ { 0x04a9, 0x1717, USBLP_QUIRK_BIDIR }, /* Canon, Inc. MP510 Printer, https://bugs.launchpad.net/bugs/1050009 */ + { 0x04a9, 0x1730, USBLP_QUIRK_BIDIR }, /* Canon, Inc. MP540 + Printer, https://bugzilla.redhat.com/967873 */ { 0x04a9, 0x173d, USBLP_QUIRK_BIDIR }, /* Canon, Inc. MP550 Printer, http://www.cups.org/str.php?L4155 */ { 0x04a9, 0x173e, USBLP_QUIRK_BIDIR }, /* Canon, Inc. MP560