Hi. It looks like I had the same problem. I tried to get the quality down and it stopped jamming. For example, if you print 2 sided in B&W it does not jam, If you print 2 sided in color at the worst quality it does not jam. However if you print with a higher quality in color (medium and high) it jams. Please try this and tell us back if it worked. If yes like it worked for me it is crazy and makes no sense for me !!
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