Hii my name is Luna Fallon i am from the technical team if you are facing a problem then you can visit our site.HP printers may display error codes on their control panel or computer screen, indicating issues with the device. Some common error codes include may 0x, 10.xx, 11.xx, 12.xx, 13.xx, 14.xx, 16.xx, 20.xx, 21.xx, 22.xx, 23.xx, 24.xx, 25.xx, 30.xx, 40.xx, 41.xx, 49.xx, 50.xx, 51.xx, 52.xx, 53.xx, 54.xx, 55.xx, 56.xx, 57.xx, 58.xx, 59.xx, 60.xx, 61.xx, 62.xx, 63.xx, 64.xx, 65.xx, 66.xx, 67.xx, 68.xx, 69.xx, 70.xx, and 79.xx. Each code represents a specific error, such as paper jams, connection issues, or firmware errors. Troubleshooting steps may vary depending on the error code.