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"Paper feed rollers have stopped feeding paper?"에 답변Scenario 1: the pick-up drums do not roll, you hear a grinding noise You most likely hear a grinding noise of plastic cogwheels slipping when the printer tries to feed a sheet of paper. It looks like there is too much play in the paper pick-up unit (at the rightmost end inside the printer) on which both pick-up drums are mounted on a single arm. When not printing, these drums are lifted. When printing, they are dropped to the top of the paper stack and will engage to separate the topmost sheet off the stack. When lifted, you will be able to rotate these drums in one direction. When the drums touch the paper, they simply don't rotate. I suppose that because of excess play (programmed obsolescence?) eventually the cogwheels that drive the drums will slip. Sadly this unit is hard to reach. Probably the entire printer must be torn down, and I don't expect you will be able to easily fix the excess play on the paper pick-up mechanism that drive the rubber rolls when pressed on the stack of paper. Scenario 2: the...