New belts are porose


I just assembled my new Vertex Printer and did a few prints.

During assembly i have seen that the belts look like some how porose, or is this just normal?
Can you please give me your opinion?

Otherwhise it works great :+1:

Many Thanks!

Here is another pic:


The outside of mu belts (of my k8200) are smooth.
Hope it helps. .


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