More instructions about setting CUPS into debug mode and getting the error_log you find in the section "CUPS error_log" of https://wiki.ubuntu.com/DesktopTeam/Meeting/2011-11-22.
More instructions about setting CUPS into debug mode and getting the error_log you find in the section "CUPS error_log" of https:/ /wiki.ubuntu. com/DesktopTeam /Meeting/ 2011-11- 22.