Tag: fuser temperature sensor

Why a Printer Cools Down After Fuser Replacement When a printer cools down after fuser replacement, the problem is usually not the color of the wires by itself. It is much more often a sign that the printer is not seeing the heat rise or temperature feedback it expects from the fuser. That can happen if the replacement fuser is the wrong version, the thermistor is not reading correctly, the fuser is not seated fully, or a connector is matched by color instead of by position and function. This is why a printer may run a few pages, then suddenly ask to cool down for far too long until you power it off and wait. The machine is often protecting itself because the fuser temperature is not being reported or controlled the way it should. In that situation, guessing from white, blue, or red conn...