Dear Friends,
i am posted in the forum regarding this same problem.. i am order and fix the new laser unit.. then also i am getting the C4200. Mr. Blackcat i really appreciate his guidenance.. Today i replace the main charger also after i am taking 450 continuos copy then also i am facing the same C4200 Error on Km-8030. sometimes lining appearing that copy it seems like charger lines... but i am fix the new charger..
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