1. Make sure that your network printer is powered on and ensure that all the wires are connected properly.

2. Check and make sure that the wireless router is functioning properly and that it is not too far away from your printer.

3. Make sure that the wireless network in your home or office is functioning correctly and that you have access to the internet.

4. Confirm your wireless settings on the printer and ensure that the username and password for your network are entered correctly.

5. Try disconnecting and reconnecting the cables or resetting the router or modem to allow the printer to reconnect.

6. Ensure that the printer is not too far away from the router or fairly close to a wall or metal object that may block or interfere with the signal.