I have a bizhub c280 that has a problem with creasing corners when paper fed from 2nd tray.It doesnt matter what paper size is in 2nd tray A3 or A4 It is happening on a regular basis about 1 in every 10 copies.The mc works fine from the bypass or from the top cassette but when you use the 2nd tray it turns the corner over lead edge at the rear side.It is obvious when it is going to happen cos it makes a loud paper crunching noise and the lead edge at the rear comes out turned over at the corner.
I can find nothing wrong with the paper pick up unit, the plastic paper transport guide is located ok and not broken, the side door is aligned ok, there appears to be no burrs or nicks on the mylars or guides in the paper feed path, it is not fuser related as the corner is turned over before the paper reaches the fuser unit.The transfer roller assembly is fine and seated correctly.The paper doesnt jam it feeds out ok just corner turned over about 3mm in a triangle shape at lead edge
Any ideas or help appreciated
I can find nothing wrong with the paper pick up unit, the plastic paper transport guide is located ok and not broken, the side door is aligned ok, there appears to be no burrs or nicks on the mylars or guides in the paper feed path, it is not fuser related as the corner is turned over before the paper reaches the fuser unit.The transfer roller assembly is fine and seated correctly.The paper doesnt jam it feeds out ok just corner turned over about 3mm in a triangle shape at lead edge
Any ideas or help appreciated
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