Originally Posted by
JonManchester
If your machine has an SP6901-1 Set it to 1 from zero. It allows higher stackability which slows down the adf a little to eliminate the Jam 63 separation jams. Also we have been taking the old reverse roller hub (Black) and putting the AF03-2080 Rubber on that Black hub with great results, no need for spacers because the black hub is wider than the blue hub the 2080 tire was on. Also ive been trimming the highest mylar that sits on the reverse roller down a little and that has worked great too. I've even removed them without any issue. I think that mylar sits too high allowing the paper to go over the reverse roller causing the jam 063. There is custom firmware for the MP6503 that slows down the adf and it works also, but the SP6901-1 needs to be 0 not 1. With these steps all machines we have had the problems with have stopped. Have a good day!!
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