Error c3451
Fuser Warm Up Failure.
This means you either have a fuser unit failure or possibly had a voltage surge. Also sometimes if the machine is turned on in a cold environment this code can pop up. Try resetting ONCE only by turning the machine off, then holding down the utility/counter button while turning the power back on. Continue to hold the button down until you see "Trouble Reset" then touch OK. Turn power off then on again. If the code comes back on after a bit then you will need the machine serviced.
Good Luck.
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