HOW TO FIX | CORRUPTED FIRMWARE | HP COLOR LASERJET M451nw

HOW TO FIX | CORRUPTED FIRMWARE | HP COLOR LASERJET M451nw #OKIPEN #OKIPENMECHANIC Formatter Board You can buy here: https://www.amazon.com/HP-Formatter-Board-CE794-60001-Printers/dp/B009SON2J0 http://www.partshere.com/online/detail.asp?partno=CE794-60001 https://www.metrofuser.com/product-page/ce794-60001-m351-m451-formatter-board