Originally Posted by
allan
As some of the parts gets older the voltages goes up or down to compensate for age. Like the drum charge voltage and the development bias voltage.
If these voltage goes over or under to much it could cause the developer to transfer or dump.
The guys like to change the dip switches to make the over-life warnings not to show. I have seen how these machines gives trouble.
I do let these the parts go over but i prefer to reset the units.
There is very little information about aging compensation on these machines.
KM did put a warning out that the HV power supplies can only push out a certain amount of voltage/current and will cause trouble if parts goes for to long.
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