@Dado,
Iam facing the same prob with bizhub 420.The toner bottle is not spinning at all.after taking 10 to 20 copies iam getting the message"Auto toner supply executing".At this time iam rotating the bottle my self.In load check 50 1 & 2 also its not working.I replaced total toner hopper assy,but didnt work.Iam only getting the C2801 means the low toner condition in Dev unit.I dont know wat to do.Thisf**king machine is electrically very erratic, again this KM people relaunched this model with new black cloths.
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