Why is HP Deskjet 2540 offline?
The HP Deskjet 2540 printer can occasionally cause issues when connecting to the wireless fidelity. There might be communication issues that disrupt the connection and cause connectivity issues, which could lead to printing issues. Users may be unable to connect to the printers due to problems with Wi-Fi networks.
How do I reset my HP Deskjet 2540?
Press the Wireless button and the Cancel button from the printer control panel at the same time, and then hold them for 5 seconds.