D-Link Print Server Refuse to Print

I have a install & configure print server DP-300 U with 2 Parallel and one USB port. HPLJ1015 printer is connected with LPt2 and HPLJ1320 connected to USB port. HPLJ1015 works fine but HPLJ1320 refuse to print. I am not able to install HPLJ1320 printer using printer Server. After installtion it keeps showing opening message in printer. I am using win2kpro and XP machine. and printer driver are install in all the system. I have been using DP 300+ printer for long without trouble. Firmware used in PSAmin is ver3.0 Pls. help.

Regrds
Siddhpal