Have an issue where mono black prints are coming out fuzzy with white spots. It happens on halftone black 1 pc 255 density but doesn't show up on 64 density.
Tried PRCB, Firmware, PH Unit, HV Unit, Black Drum, Black Dev, PH Relay Board. Have attached a sample in case anyone recognizes the issue.
colour prints where black is made up of CYM is perfect.
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