I HAVE A BIZHUB C280 that has an ongoing problem I feed A3 from the second cassette and every so often the paper turns over at the lead edge rear corner about 2 inch fold when it happens you can hear a paper crinkling noise and the paper does exit the machine it doesnt jam. This doesnt happen on A4 out of the top cassette.I have fitted the reg guide mod for turning corners over and the plastic guide and mylar have been changed in the paper transport section just after pick up.The paper seems to get beyond the reg area before the crinkling noise is heard seems to be in the area between reg and fuser entrance.
Any help appreciated
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