I have a nightmare C3220 in the field. Color copies are blurry. We have done the following:
Replaced transfer belt unit
Replaced swing gear assy
Adjusted laser cams
Checked cams that hold itb unit in place
Performed DC con clear
Performed MN con clear
Replaced DC controller and Main controller
Customer took the drums and toner cartidges out and BLEW this machine out with compressed air. He says the copies were blurry before he did this. Customer is COD but can't charge him until we fix it and we are out many man hours already!
Any other ideas? All parts were swapped out from a good working copier.
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