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Frontier 350 printing Lines


Michaelka
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Hi evereybody, i am looking for help urgently - i get prints from my 350er with stripes as shown in the file.

I cleaned the drive wheel on the front side and any parts arraounfd that - did not help.

As visible in the picture there are areas with stronger and less stronger lines; dimensions you can see by cm.

Problem suddenly starts within one print.

Does anybody has an idea?

Thanks to all

Kind regards

Michaelka

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Hi, thanks for answers everybody, i tried to adust the tension, but it didnt help (higher tension).

after this i replaced the whole subscan-unit took from another 350-minilab which we dont use at the moment - but still the same stripes on paper!!

possible the second unit could have the same problem - printers both are about ten years old. Or could it be a laser-problem instead?

Any kind of opinion or answer will be appreciated.

kind regards

Michaelka

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Grounding is Ok. I checked the Laser Unit with another Frontier and get the same result. So, I decided that the problem is arising from Laser Unit. But, I want to know which part of Laser Unit is faulty. Is there any source for parts of Laser Unit?

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I can't tell if these lines are parallel to the direction of the paper travel of if they are perpendicular. If they are parallel as I suspect, and it is a laser related issue as Sisir had determined, then it is optical noise on the laser unit. You can try to "optimized temperature" which might help. Other than that you must have the laser replaced.

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But I am of opinion that any laser related problem has an error to show. If there is no error, you should think of something minor, mostly simple mechanical problems. I had also panicked following some posts from money orientated helpers , remember some of the people here are for commercial purposes and they will rush to tell you to contact them for laser repair. Check again.

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Make sure to check all the bearings on every roller in that section before replacing the motor. It could be as simple as any of the other bearings. Look for debris under the belt or between any gears. Anything that would cause it to not move the paper smoothly can cause this type of artifact on the prints.

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  • 5 months later...

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