Been working on an eStudio 233 that folds the leading edge of the page at the back corner. This happens only on Letter, not LetterR orientation. I have cleaned, polished fuser entry guide, replaced broken paper guide, and swapped feed heads(I know, long shot). Found no sharp edges that would catch paper. What am I missing? The fold is a hard crease, thus occurs before fuser. The corner is folded back on itself and image is sometimes skewed. I have touched all objects in paper path and have yet to find whatever is catching paper. Please help! Thanks in advance.
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