Okay, I know this question must have been posted here dozens of time; i have scanned all previous threads for clues, all giving same advice: check fixing unit, mains power supply voltage output, engine board, power board etc. I have checked all of these and all appear good. I am now in a sort of dilemma on which board to replace, between the engine board and the switched mode regulator(power supply board) since the two are inter dependent. Its difficult for me to get any of these boards here even for merely localizing the fault by substitution; this model is not common here! Actually the machine in question is an Olivetti mf2550.
Can anyone give me a practical solution based on his field experience on the same fault?
Thanks in advance.
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