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Message: [QUOTE="anotherbrother, post: 220278, member: 18619"] Used printer after long period of non-use. Printer fan was very loud - took around 8 minutes to completely shut off fan after one print. But was working. I investigated by removing fuser to take a look. The two thermistors were not removed. The thermostat was inspected and touched, but it not forcefully enough to obviously damage it. When fuser was re-installed, fuser error was listed, and then whenever its reset the fuser lamp will light up for a second and then it shuts off and reads fuser error. There's a fair amount of heat getting in there as it can be felt. I suspect the thermistors are detecting too much heat incorrectly, or that something is actually overheating - what is most likely to be faulty that would cause overheating? It makes sense that i damaged something when removing the fuser. But since the thermistors in the fuser weren't touched, i suppose the obvious culprit the thermo fuse/thermostat? If anyone could give any advice on what typically fails on a laser fuser i'd appreciate it. [/QUOTE]