You can easily add any printer to your Windows 7 computer using the built-in printer driver. Also, you can add your printer as a network printer so that any other computer that is connected to the same network can access the printer. However, If you can’t connect to network printer Windows 7 computer, there might be various reasons for this. Carry out the solutions given here until the problem is resolved.
Ensure your printer’s power connection
Check if the printer’s power cable is properly connected to an electrical outlet.
Re-establish the printer and router connection
Disable your antivirus program
You can try uninstalling the third-party antivirus program installed on your computer.
Restart your computer