You can use the operation panel of the device to restore the print server to the default factory settings.

You can reset all information, such as password and IP address. The tutorial for rebuilding wifi is as follows:

Press the up or down arrow keys to display the network, and then press OK.

Press the up or down arrow keys to display the network reset, and then press OK.

Follow the device prompts to reset the network settings.

After entering the SSID search page, it will automatically search the surrounding wifi signals, and then select your network wifi to link.