Comment 2 for bug 378358

1) Do you get an error message about the filename? in gthumb itself or elsewhere (e.g. printer icon on system tray)?
2) Please run the following command on a terminal for gathering usefull printing related debugging information:
apport-collect -p cups 378358
3) Please provide your cups error_log as described here: https://wiki.ubuntu.com/DebuggingPrintingProblems#cupserrorlog after
trying to print the mentioned file from gthumb