As mentioned in my previous post getting this printer to work was a bit of a hustle. Now on Karmic A64 I could not get it to work at all! Even though people in some german forum claim to have it working -but what i see there mentioned is the local version of the printer, not the networked version c1100n like I have- I could not get it to work that way, but they gave some good pointers.
After a good few hours of poking around I found the problems … and worked around all of them with some -admitted unclean- hacks … but at least it works! You can find a package with all needed files and an install script here. Just unpack the package and run the install.sh script as root, then add your printer through the usual printer wizard.
For people interested in the details: the printer driver is 32 bit only, it needs libc6 32 bit, libgcc 32 bit and next to that it still relies on libstdc++5 which is not present (now they use libstdc++6) in Ubuntu Karmic 9.10. I fixed it by manually copying the needed 32 bit libraries from a 32 bit installation in the /lib32/ directory, getting the 32bit version of libstdc++5 from Jaunty and force install the 32 bit driver packages.