I have a used d-link dp-g301 print server and

You can download instructions for D-Link DP-G301 from link below:

http://www.dlink.com/products/?pid=DP-G301&tab=3

From Internet Explorer type to following to access D-Link configuration page:

http://192.168.0.10

Then follow steps below to reset Print Server

Reset

Click Apply to
immediately reset
the print server.

Factory Reset

Click Apply to
reload the factory
settings of the print
server.