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WEIRD LINES ON BIG PRINTS


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I have a sudden problem on 203x305mm print size on my Frontier 340. There is an iregular line, perpendicular to transport paper, on every picture in the same place.

Not sure what could it be.

I also noticed that the line is more intense on darker images, so not noticeable on white test jpg print.

Please help!

P.S. the pictures looks awful because i enhanced contrast so you can see it better..

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  • 3 weeks later...

First problem : faulty electrical contacts between mainboard and laser .could causing this

Last picture : debries in subscan area (under the laser obturator) close to the paper. you should remove the laser unit in order to have the possibillity to clean that area.

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