I have an MP C4503 with 983K pages through it. Recently, it is jamming single sided 11" paper sizes (ie. 11 X 8.5 and 11 X 17"). 8.5 X 11 and 8.5 X 14" works fine. The 11" paper seems to "roll up" before it gets to the fuser entrance guide plate. 11 X 8.5 has J21 and 11 X 17 has J19 jam codes. Any thoughts would be greatly appreciated.
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