The machine only has 14K on the meter, makes beautiful copies and works normally in everyway, it just pop up this clean charger and gives direction to clean the charger wire. I have even replaced the whole processor unit , still have the same error message. Replaced the cpu board but used the old MSOK chip, still did not fixed the problem. The manual did no show location of black fensity sensor or how charger voltage is dedtected. My next step would be both the SMPS and the high voltage unit. anybody have ideas, much obliged!
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