Wirless router with dell A920 printer

I have an insperon 5150 Note book hooked up to a 802.11G Wireless Router/Firewall with USB Print server and a Dell A920 Printer

The network works fine in wireless and the printer works when hooked into the Note book but when I try to use the print server on the Router it will not print more then 1 job.  It prints 1 page then hangs, the job does not get deleted from the queue and will say printing.  The little applette shows that the printing is at 99% but never goes to 100%.  The problem is that the printer server is Directional where the A920 is biDirectional.  I need to know how to turn off the biDirectional functionality on the printer (I know it has it since there is the low ink modual and the scanner).  I disabled the port feature on the TCPIP setting for Bidirectional 

Is there away to make the A920 work with the USB Print server?