This is the file I captured from the spool for the previous exemple. I tried to capture the file from the spool when printing the "Print test page", but this option is not available when the printer is disabled.
** Attachment added: "File from spool" https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1023202/+attachment/3234526/+files/printout -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1023202 Title: Canon printer don't print black circles in the print test page To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/cups/+bug/1023202/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs