Hi. There was a failure. There were suddenly bright printouts. It turned out that the developer was out. Then I exchanged the developer. Drum. The printout is still very light almost invisible. HV voltages checked. Help
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Re: Bizhub 654 B/W. Clear printing.
Is the image developing on the drum surface?
Stop the machine in the middle of development and pull the drum out and check the image.
If that image on the drum is ok focus on transfer.
Check if the HV contacts on the DV and DR is ok.
Laser path could also be obstructed with toner.Whatever -
Re: Bizhub 654 B/W. Clear printing.
OK thanks. I will check it tomorrow.Comment
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Re: Bizhub 654 B/W. Clear printing.
Printing is still bright. I checked the recommendations from the post. The image on the drum is bright and there are traces of the developer on the drum. Now again, the new developer is transferred to the drum. The question of the time when he will pull it out again and it will be empty.Comment
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Re: Bizhub 654 B/W. Clear printing.
How did you check HV unit? One reason for your problem may be HV Board 2.
Can you change it from another working machine?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.
Blessed are they who can laugh at themselves, for they shall never cease to be amused.Comment
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Re: Bizhub 654 B/W. Clear printing.
replace the hv units and a new developer. if your mc board isnt already blown.Comment
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Re: Bizhub 654 B/W. Clear printing.
Could also be a bad drum earth or arching somewhere. I will start with the dev tank and the drum unit from another machine.
I have never changed a single HV board on a KM machine ever?
Changed them out to trouble shoot but never the problem...
Had rusted contacts but cleaned those.WhateverComment
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