This customer called in for thumping noise and poor quality. Here's what I've done,
Replaced the drum and blade, (OEM), replaced the missing rear drum bushing.
Replace a worn belt on the back of the developer unit. None of these fixed the quality
or the thumping noise.
We pulled the main drive and clean the gears and tightened the belt. Then the noise
stopped but the quality is what you see. They have two of these machines so I swapped
the drum and developers and the problem follows the bad drum and developer.
So I swapped the drums and at one point the quality was good on both machines.
Not good enough I need to know what the problem is and now I've got myself confused.
The developer count in the original machine is 300K plus. I know it needs to be changed.
But is that enough to cause this problem? I included a sample of the copy.
I need a lesson on this model. Anybody up for that?
Has anyone had a problem with the connector in the cover that holds the drum and developer
together? Pretty flimsy in my opinion.
Any suggestion welcome.
Thanks
DR
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