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We have seen some banding in solid and gradient colors when printing on our 3800G.

We have read online that it could be a roller or a barring inside the machine but am unable to find what we need to fix or replace. Have you seen this? 

 

IMG_1861.JPG

Edited by BrianW
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  • BrianW changed the title to Noritsu 3800G Banding

Start with the exposure advance rollers and belts and make sure they are free of any debris, for some reason the paper isn't moving smoothly during exposure. I've had far less drastic instances of what you showed remedied by cleaning the underside of the main exposure belt.

 

I haven't dealt with a 38 but I'm sure its similar to other Noritsu printers. The exposure drive belts are yellow/orange; they are very tight with minimal play. I've never removed them, but you should be able to clean just turning them slowly with a bit of patience. 

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