mpc 2500 sc 565

[Ramón]

Check the thermostat pressure roller can be wide open or bad fuser connector.

[Knig]

Hi, thanks for replying.
Problem is now a bit mute as replacement machine was
£250 working and installed. Will try advice when time allows.

[AEON]

I have had the same code on the C3300. After rebuilding the complete fuser, the pressure roller was melted stuck to the fuser belt, then SC 565 causing dual thermostat to open. Turns out the pressure roller thermistor wasn't touching the roller causing melt down. I bent the metal bracket holding the thermistor up toward the pressure roller for contact.

The metal bracket holding the thermistor is cheap metal, easy to bend causing this problem.