Problems c452 print dust

[emujo2]

Re: Problems c452 print dust

I'm assuming by print dust he means background..Did you run the stabilzation, and gradation adjustments after replacing any of the items you mentioned? E

[tsbservice]

Re: Problems c452 print dust

Backgrond when copy or print or both?
Backgrond on color or B&W?
Backgrond has developer or not?
What's the color of backgrond?

From your small picture and incoherently description it's hard to help you.

[Phil B.]

Re: Problems c452 print dust

i have another imagine unit which works will in other bizhubc652.
could someone send me firmware of bizhub c652 because i changed the main controler board PROBLEM C164

karimharaka@gmail.com

many thanks

sounds like you rushed in your troubleshooting process. image problems CAN be some of the easiest fixes there are.

[karimharaka]

Re: Problems c452 print dust

i have another imagine unit which works will in other bizhubc652.
could someone send me firmware of bizhub c652 because i changed the main controler board PROBLEM C164

karimharaka@gmail.com

many thanks

[GIUBOSS]

Re: Problems c452 print dust

Which image units did you replace? Did you perform the calibrations at each replacement? Try to print from PC only in B / W

[karimharaka]

i have konica minolta c452 which print dust. i have changed the laser bloc, transfert belt, controller board. imagine unit. all of these are not worked. ( i still do not replaced the graphique board!!) this is the last chance 962B8362-0B67-4E5C-88EB-B4B675FD6351.jpg
i need your help
thanks