This function saves the print settings from settings to file_name.
If the file could not be written then error is set to either a glib.types.FileError or glib.types.KeyFileError.
the file to save to
true on success
This function saves the print settings from settings to file_name.
If the file could not be written then error is set to either a glib.types.FileError or glib.types.KeyFileError.