A little more net wandering has led me to believe that this router may not be compatible with your printer or any other multi-function printers. Apparently, print servers need to specifically support MFPs, and this one doesn't appear to. Can you borrow a plain-jane, non-MFP printer and try to print to it? If it works properly, then you'll know that the router is setup and functioning properly and that your printer is the culprit.