Connecting my printer to new router

[Hazel5291]

Hp dealer 4100 series final stage of setting up & it asks for my custom password has been set for your printer. Enter password to access printer web interface. Where do I find this custom password 

any help I would be grateful thanks

[Hawks_Eye]

Hi @Hazel5291 

Welcome to the HP Support Community!

Thanks for posting your query! We're here to help you get back up and running.

Not to worry, I'll do my best to reconnect the printer to your wireless network.

Let us try to restore the printer to the default network settings, and then use HP Smart to connect the printer to your Wi-Fi network.

Step 1:

Restore Wi-Fi setup mode on the printer

Prepare a printer for a Wi-Fi connection by restoring Wi-Fi setup mode.

When the settings are restored, the printer enters Wi-Fi setup mode for about two hours, making it discoverable during the HP software installation.

• Most printers with a touchscreen: From the Wireless  or Setup  menu, select Network setup or Settings, and then select Restore Network Settings.
• Most inkjet printers without a touchscreen: Press and hold the Wireless  and Cancel buttons until the Power button flashes, and then wait for the Wireless light to flash.
• Press and hold the Wireless button until the Attention and Power lights flash, or press and hold the Wireless and Cancel buttons until the Wireless light flashes. The printer might restart.
• Envy 6000, 6000e, 6400e, ENVY Pro 6400, DeskJet Plus IA 6000, 6400, and Tango printers: Press and hold the Wireless button on the back of the printer for five seconds or until the Status light flashes (blue or purple depending on the model).

Go to Restore Wi-Fi setup mode on your HP printer for additional information and button presses for more printer models.

Step 2:

Uninstall and re-install the HP Smart app on your computer/mobile device.

Place the printer and the computer or mobile device near the Wi-Fi router.

Turn on Wi-Fi on your computer or mobile device and connect to your network. If the computer is connected to the network with an Ethernet cable, temporarily disconnect the cable and use the Wi-Fi connection during the setup.

Enable Bluetooth on the computer or mobile device so that HP Smart can detect the printer during the setup.

After installing HP Smart for iOS and Android, enable the mobile device location service and allow the app to use your location to detect the printer and offer solutions during setup.

Download the HP Smart app from 123.hp.com (Android, Apple iOS, iPadOS).

In HP Smart, click Add Printer or the plus sign to search for the printer, and then follow the instructions to complete the setup.

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Take care, and have an amazing day!

Regards, 

Hawks_Eye