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invalid wpa passphrase

HP Recommended
HP color laserjet MFP M281fdw
Microsoft Windows 10 (32-bit)

My printer just underwent a firmware update. After complete, it kept cycling with 79 service error. I followed instructions and disabled  ipv6. This stopped the cycling of printer, but now I have Invalid WPA passphrase. I have verified SSID and I have entered correct passphrase (other devices connect fine).  error message continues to say invalid wpa passphrase, how do i get past this message? I am not going to change anything on my router. please send me info on how to fix. 

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