I keep getting the engine fuser low heat error on my printer. I have no problem fixing the printer, however, I'm not sure where the engine fuser is or how to open the printer to access it. Also, is there any solution besides replacing the fuser?
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Re: Engine Fuser Low Heat Error
There is a 2 wire device (thermistor) that rests against the fuser roller to measure the temperauture. if the fuser is getting quite hot, suspect the thermistor to be either dirty (remove and clean it with alcohol) or defective. if fuser not getting hot, then suspect burned out fuser heater (look inside fuser roller for a long light bulb).
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possibly the fusers thermostat is displaced. it rides very close to the roller to get an accurate reading, look for 2 wires into a black "thing" toward the middle of the roller. this is a thermistor which sends its reading to the mainboard. check if the fuser is getting very warm, there is a thermo couple in series with the fusers power so it wont overheat but if its getting hot and the printer doesnt know it then the dammaged/displaced thermostat would be the thing to look for,
What this means is that the fuser is not reaching operating temperature. The most common reason for this failure is the xenon lamp inside the heat roller of the fuser has burned out. You can verify this by checking for continuity between the two contacts that connect to the lamp with an Ohm meter or digital multi meter.
If the continuity is good, the second most common reason for failure would be the LVPS, or low voltage power supply.
And last, although by far the least common reason for this error is the main logic board.
Have you checked to see if the unit is under warranty? If so, this would be a covered repair.
The part number for the fuser is listed below. Depending on your location and electrical system ( 110 or 220 )
ELA UNIT-FUSER 230V part number :JC96-03239A for use with 230V
ELA UNIT-FUSER 110V part number :JC96-03239B for use with 110V
Other then samsung, you can try a google search, and also an ebay search for the part number and find the best price for the item.
ther is a prob in your fusing unit, chances are the thermistor is not working, if you can still feel some heat in this area, either the lamps are working fine but the sensing device fails to read the actual temp.
Thats probably the best way to solve the solution. Sometimes if there is a thermistor that is causing the problem that can be serviceable in the fuser unit, that can be replaced instead of purchasing a whole new fuser assembly. It's less expensive replacing the thermistor.
Basically the error message is telling you the printer cannot keep the fuser temperature at the proper temperature (too low). It could be a lot of things but typically it is due to a fuser assembly gone bad.