Good Day. Looking for some help. I have a C6000 that had a worn K drum. Upon replacing it and doing the calibration I got a grey copy with back ground. I replaced the back developer mix and went to calibrate. Machine through a C-2824 upon auto gradation auto adjust. I looked and cleaned the gamma sensor, changed the developer unit, chargers. In test mode I can get a light grey output on test sheet 53 at 200. At 70 the sheet is blank with a slight roughness on the sheet like a dev leak without the mess. As well I stop the machine in test mode and verify all colours are being layed down on the drums. But the black is very light. Any ideas or help well appreciated. Thank you.
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