WinXP not on Network

I have one Win XP machine with public as well as private IP assigned.I use it as my proxy server for the network. But I amnt able to print on my local area printer,even though the printer is installed.

Pls HELP…

Regards,

Raina Ashutosh

Residence Address:
58 C,B 12A,Dhawalgiri,Sector 34,Noida,UP-201307

Residence Phone:0120-2504217

Mobile:0 9899311725/9810716043