Original problem was fail to pick up paper from Tray 1, with a clicking sound evident. Replaced pick-up arm (autocompensator I believe Lexmark likes to call it). This was pretty much a royal pain as to get to it the sides, top, system board, system board cage, power supply, power supply cage, clutch, motor drive assembly, and duplexor (gee, did I forget anything?) all have to be removed. The service manual has some dark/poor pictures which made re-attaching tiny springs difficult (what, I can't remember where all those tiny parts go?). Many hours spent on it. Yes, the arm was at fault, but I am getting intermittent jams when feeding paper up from tray 1 now. I am hoping I got all the parts back in the right place, could be more flaws than originally reported. Plus, as not reported originally, the optional tray 2 is not feeding paper. I have pretty much recommended the client buy a new printer, it's just not worth this kind of labor time, but maybe some of you have torn them down faster, and have a thought as to the tray one intermittent jams. Thanks....
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