Horrible noise with Konica Minolta Bizhub C250

We have a Bizhub C250 that makes a horrible noise when starting up or color copying
And after this, the machine shows P-6,P-7,P-8,P-9 or P-5 and P-28 errors and results are gray pages when copying.

Thank you, boys! and girls, too!

Post time: Nov-11-2018
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