The CUPS upstream default "RIPCache 8m" is too small for
nowadays higher resolution printing and can cause various
kind of printout failures (see CUPS STR 3535 at
http://www.cups.org/str.php?L3535 and the openSUSE Bugzilla
bug 628233 and http://en.opensuse.org/Portal:Printing).
Such issues are avoided with a default "RIPCache 128m"
setting. If needed a higher value can be explicitly
specified in /etc/cups/cupsd.conf via a line like "RIPCache
256m" (sometimes up to "RIPCache 1024m" is needed -
provided there is at least 2GB main memory in the computer).