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M451nw
macOS 12.0 Monterey

 My current firmware is 20130815. I have issues connecting printer to network. I need help downloading latest firmware for LaserJet Pro 400 Color M451nw for MacOS 14.

2 REPLIES 2
HP Recommended

Firmware is only listed with older versions of MAC OS so not sure you will be able to install, but here is the link

 

https://ftp.hp.com/pub/softlib/software13/COL41922/M350_M450/HP_LaserJet_M350_M450_Series_FW_Update_...

 

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HP Recommended

Repairatrooper, thank you for your response. I tried installing but it did not work. It shows " Something seems to be wrong with your device. Device is in error state and cannot be reflashed because of this. Resolve the problem and try again." 

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