Hello, On a 753 and I believe in a 654 the gears of the fuser drive unit that are on the inside of machine,mounted on a swingarm, the swingarm has a spring mounted to it. We got a used 7570 and the fuser drive swingarm does not have a spring on it. It has holes like where a spring would go. It seems to work fine without the spring and also in the part book I dont see a spring. Trying to verify that there is not supposed to be a spring. Thanks
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