1. How to find the IP address: On the computer with the printer driver installed, click the Configure Port button on the Port tab of the printer properties dialog box. The host name in the copy dialog box.

2. Check the IP address of the router through the ipconfig command; In the start menu search box, enter cmd and confirm to open the command dialog box; Then enter the ipconfig command and click Enter to confirm; In the pop-up message, find the default gateway corresponding to the IP address.

3. To check the IP address of HP printer, you can refer to the following information: Method 1: The method given by HP after sale. Press the menu key of the printer to enter the menu, and press _ until zhidaoINFORMATION appears. Press and hold the √ key until the print configuration page appears.