One thing I did was to run "Fixing Assembly cleaning" under maintenance setting. Once the paper reached about half way out of the printer I opened the front cover to abort the cycle and pulled the paper out manually. Part of the paper that never came...
Any updates on this? I have the same exact printer and same exact issue. Bought my unit in January and started having this issue 3 months ago and progressively got worse. First creasing began appearing on heavy paper and slowly started showing up on ...