Sharing Printer Between 2 Different Workgroup

Hello everybody..
I’m stuck with a problem here.How can i share a printer between 2 different workgroup and also between a domain and a workgroup.I can’t change the workgroup coz it’s the company settings.I’m using Lexmark 5400 printer and the 2 pc’s are HP DC7700.
Please help me.Ur suggestion is pretty much appreciated.