To share the printer on the network, open the printers folder and right-click on the printer you want to share. Select Sharing and Security and choose to share it.
You MAY need to delete the previous installation of the printer on your laptop and reinstall it to regain the connection. If you do, delete the printer from the printers folder on the laptop and when prompted to "Delete old files associated with this printer" click on NO.
Reinstall the printer on the laptop (Add Network rinter) and it will be okay again.