Problem during installation of the printer over the wireless network. Printer: Epson CX4200 USB only. Oper: Win 98SE When plugged into the USB port on US Robotics wireless Router, the problems start. The system locks up with the error EPISPM70. Find reveals that EPISPM70.EXE is an application file. What can I do to get pass this problem and allow both computer to print using the network?