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Factory reset for mfp m28-m31

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MFP M28-M31

We just got a new router with different username and password, now I cannot print with this via WiFi. I know factory reset is the answer, but how to???

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Welcome to the HP Support Community.


Press wireless button over 20s, until wireless LED button, attention LED and power button LED start blinking, then release wireless button. Before restore network setting, click 'X' button or any other button to wake up printer first.


Let me know if this helps.


If the information I've provided was helpful, give us some reinforcement by clicking the Accepted Solution and Kudos buttons, that'll help us and others see that we've got the answers!




Have a great day!

I am an HP Employee

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