Hello,
A customer of ours has an MX-4101N. On every print there appears to be a small mark that repeats every drum rotation. I can see the mark on the transfer belt. The peculiar part about it is the mark is made up of every color toner. I've swapped out drums and charge assemblies on each color. No luck. My next step is to swap out developer units. Before I do that though, I was wondering if anybody has an idea as to why it is marked identically with every color? Surely each developer unit isn't producing the same mark in the same spot. Any insight is appreciated, thank you.
-Jon
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