This should be easy, but it hasn't been.
Mpc 6501 load paper tandem tray 1. Control panel shows no paper loaded. Original call the tray rear lift cable was broken. I replace the cable however it still didnt work. There are no sc codes no reset tray message and no wrench on tray. Load paper on the right side and the tray will rise and stop at the top and stay there. With no paper loaded the tray remains down. Covering only the paper sensor on the bottom plate the tray will rise then lower. When loading paper on the left side of the tandem tray it will show paper on the left side then shift it to the right, rise then remain up.
These 4 senarios are the same as a properly working machine. Trays 2 &3 work fine.
What I have done.
Checked for paper in the connector. (There is none.)
Swapped feed heads 1 and 2. No change.
Replaced right side half of the tandem tray with a used working tray.
Tried a paper feed board and vbcu.
Next step harness?
Any thoughts?
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