So here’s what’s happening. MP C4500 with two drawer paper bank. I’m getting fairly consistent j054 jams out of tray 4 only when loaded with 11x17. 8.5x11 in either orientation works perfectly. There is no legal size onsite.
The paper will get to the fuser with some image on it properly registered. What I’ve done so far is swap drawer one and two feed units as well as drawer 3 and 4 feed units. I’ve swapped paper cassette 3 and 4. I’ve updated firmware and replaced the paper bank control board.
Every so often, a few sheets will make it through, but mostly it jams. All other drawers are working perfectly.
My next step is to replace the IO board.
Any suggestions? This one is really stumping me.
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