Hi all. Need to determine ( with little electronics knowledge or understanding ) if I can replace the IRLB8743 mosfet, used for the bed heater, with a IRFZ44N mosfet ? reason : Printer runnning fine for 2 years. Marlin on Mega with Ramps. Tonight at end of a 3 hr print I smell hot electrics. 6 layers to go so I let it finish. Then the graphic LCD display shows 'Err: maxtemp bed' and I see tby giupviecnha - General