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Re: Bizhub C258 artefacts, strange lines on printouts
Guys, I solved this issue by increasing Vpp-K value. Image became perfect. Thank to all of you and especially to tsbservice! Solution is temporary, customer will change black drum with new one after few days.
Re: Bizhub C258 artefacts, strange lines on printouts
Originally posted by Takhnamishvili
Guys, I solved this issue by increasing Vpp-K value. Image became perfect. Thank to all of you and especially to tsbservice! Solution is temporary, customer will change black drum with new one after few days.
Glad you sorted it.
Actually those guys who advice to change black drum save the day
A tree is known by its fruit, a man by his deeds. A good deed is never lost, he who sows courtesy, reaps friendship, and he who plants kindness gathers love.
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Re: Bizhub C258 artefacts, strange lines on printouts
Originally posted by tsbservice
Glad you sorted it.
Actually those guys who advice to change black drum save the day
Yep, black drum failed, as guys mentioned and advised to change it. But I learned how to solve it temporary, earlier I have never touched Vpp values, did not know anything about them😁
Re: Bizhub C258 artefacts, strange lines on printouts
Originally posted by Takhnamishvili
Yep, black drum failed, as guys mentioned and advised to change it. But I learned how to solve it temporary, earlier I have never touched Vpp values, did not know anything about them😁
You changed all those parts for a simple drum issue?
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Those color bars have to be crossfeed. One of your drums is arcing to it's developing unit. Usually it's the one with the faintest color bar, so judging from your samples it's either yellow or magenta. Replace the drum and developer units of the desired color together at the same time.
If you'd like a serious answer to your request:
1) demonstrate that you've read the manual
2) demonstrate that you made some attempt to fix it.
3) if you're going to ask about jams include the jam code.
4) if you're going to ask about an error code include the error code.
5) You are the person onsite. Only you can make observations.
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