MFC L6950 DW folds on the sheets

[udpaulucci]

Good morning everyone, my name is Umberto.
I have a brother MFC L6950 DW that when it prints from the trays the pages come out with folds on the sheets as if the sheets were slightly turned along the path. I checked all the paper paths and cleaned all the rollers but there is nothing that could obstruct the path. I also tried changing the drum unit and the toner but the problem remains. Printing from the manual tray is perfect!!
Can someone help me understand what is the problem and could be to solve it?
Thanks

PS: Sorry for my english!!

 

[UpAndPrinting]

It looks like something is jammed inside the printer and misguiding it as you see here. I would try manually running through thick card stock through the printer system to dislodge and debris.

 

[udpaulucci]

It looks like something is jammed inside the printer and misguiding it as you see here. I would try manually running through thick card stock through the printer system to dislodge and debris.

Thanks for the reply and for your advice, i will do as you said!!
I'll let you know if that solves the problem.
Bye