Sharing a Printer in Windows allows it to be accessed from other computers on the same local network.
If you want to share the printer so you can print to it from other computers:
•Go to Devices & Printers (If not on Start Menu search or select from control panel)
•Right click the appropriate printer
•Select Sharing and confirm an appropriate name.
Note: If the Sharing option is not visible you may have to enable File / Print Sharing.