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ncbabak
03-26-2018, 10:57 AM
Hello Friends

I have a problem in konica c452 Specific noise on prints,like test below

39248

I checked transfer, fuser,Images
In your opinion Is it possible firmware or NvRam?

Someone can help to fix this problem

Thanks!http://www.copytechnet.com/forums/images/icons/icon6.png

copyman
03-26-2018, 02:02 PM
Go into service and print out separate color test prints. The color that shows the lines need to replace that Image unit or black drum since that drum is sold separate unlike the color IU's where drum is inside unit.

ncbabak
03-26-2018, 08:56 PM
Go into service and print out separate color test prints. The color that shows the lines need to replace that Image unit or black drum since that drum is sold separate unlike the color IU's where drum is inside unit.

Thanks dear friend for answer

When prints separate color test , prints are ok

but when print picture or test print error is still come back

blackcat4866
03-27-2018, 12:51 AM
I see the flaw equally in all colors, especially visible in the 30% and 80% fill blocks. For it to affect all colors equally it would have to be primary or secondary transfer. Which way did the paper feed? If the voids are crossfeed (Letter-R, SEF), you might have a primary transfer drive problem. =^..^=

ncbabak
04-08-2018, 05:40 PM
thanks all

The error was removed by replacing the black drum

While there was no scratching in the drum surface

:cool:

copier tech
04-08-2018, 06:03 PM
thanks all

The error was removed by replacing the black drum

While there was no scratching in the drum surface

:cool:

Interesting fault, thanks for the update

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