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You may have figured this out, but I had the same thing happen on one of our Brother 2820 Intellifaxes. Turns out that if you don't return the corona wire cleaning tab (blue tab on the drum assembly) back to "home" position, it will block that portion of the corona wire and result in a black strip on any output where the cleaning tab is blocking the corona wire. Hopefully, this will help someone Googling for
the same issue.
Hi there, I would assume that you are speaking about a laser printer, if this is the case you would have to take the printer in for a service and ask them to clean the primary and secondary corona wires.
A dirt corona wire can cause a vertical lines down the print job cause that part of the OPC drum is not being charged by the charge corona. Could also be a dirty drum.
Hello you can try and fix your problem using the steps suggested below. You may need to clean the corona wire 1.Lookat the corona wire on each toner cartridge. If a corona wire is dirty that maybe the reason that you receive black lines on the pages.Do you have trouble when you receive a fax? If that is the problem look what is cousing it below: 1Ifyou receive black lines while receiving a fax, the cause of that problem may bedirt in the fax which is sending you the information to you. Advice your senderto clean its fax or to replace the toner cartridge with new. I hope this can be of any help to you.
This solution is unconventional but it worked for me. The black roller on my MFC had irregularities on it and was creating horrible printouts. I pulled out the drum and cartridge and cleaned the large black roller. I used furniture polish to make the roller very smooth. Now it prints really nice.
Would be helpful to know the brand and model of the printer. Sometimes this is caused by not returning the slide used to clean the primary corona wire to its original position (usually to the extreme left side of the toner cartridge) after cleaning the corona wire. If you haven't cleaned the corona wire, you should follow instructions and do that first.
I dont know what kind of copier you have but white vertical lines are virtually always caused by a dirty charge corona.There is usually a little plastic handle, blue, green or grey, that cleans the charge corona.pull it out ONCE, push it back in and try another copy.If you have an operators manual, it should have instructions for cleaning the charge corona.Good Luck, O'scope
Black vertical lines could either be a scratch on the drum or a dirty charging corona wire. Order a new drum and clean the Corona with a brush. Image of Corona This should resolve the issue.
Vertical line is probably scratch in Toner/image drum or one of the erase LED bar lamps is out. Start by replacing the Drum and see if it is better. LED erase lamp assy is more expensive so I hope for you that it is the drum.
Saw this scratched tomer drum on a ton of HP I serviced while in Europe
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