I tried setting Safari as my agent and it comes right back to my router page.
I just cleared the cache in Safari and it still does it.
I am going to http://www.msn.com
The most recent version of the driver is 2.07, buth they only list compatibility with 10.2.6.
http://www.downloaddelivery.com/srfilecache/CJMX12L1.hqx
Hard to say with older printers as this one was discontinued in 2001.