Question about Lexmark C510 Laser Printer

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Horizontal lines down left margin

Hi. My Lexmark C510 always produces horizontal lines down the left margin of each page. Looking at the "drum" (not sure of exact name, but it's the part right behind the 4 toner cartridges) I can see the impressions of these lines all the way down the left side. So it looks to me like that part needs to be replaced. I don't know why this occurred, or exactly how to fix it. Any help would be appreciated. Thanks.

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  • mbondi Jan 10, 2008

    Thanks for the quick response. I realized that the part I'm referring to is called the photodeveloper cartridge.

    I know this is the source of the problem for two reasons: 1) when I look at the part of this cartridge that produces the image, it clearly has marks down the side corresponding to the lines. These lines show up in both colour and black, depending on what is being printed. 2) today, when I replaced the black toner, another line started to show up down the page about 1/4 of the way from the right margin. This was a different type of line, and I'm not sure where it came from, but it was also showing up on the photodeveloper cartridge as well. I used a soft cloth to wipe some toner debris from the cartridge, and the line disappeared.

    There is a lot of excess / loose toner inside the printer (not sure why but it is leaking from the black cartridge). This makes me concerned that it is the cause of the problem, and that a good cleaning of the printer may be required, in addition to the replacement of the photodeveloper cartridge (not a cheap investment, either). At this point, I don't know whether it is worth fixing, because I only paid $400 for the printer, and the photodeveloper itself is about $250. It may be worthwhile to simply replace the whole printer.

    Anyway, if you can add anything further, I would appreciate it.




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Sounds like it's a transfer belt and not a drum you are refering too. Each toner cartridge mose likely has a drum built into it. If the lines are only in one color it may be that toner that is bad. But most likely it's the transfer belt, often called an ITU (Image Transfer Unit) or ETB (Electrostatic Transfer Belt). They sometimes get contaminated with dust, oils from fingers, etc... and can't be cleaned, would need to be replaced.

Posted on Jan 10, 2008

  • Dean Joly
    Dean Joly Jan 10, 2008

    I've seen cartridges go bad and leak a lot of toner all over the place, can cause quite a mess. You can clean it, I use a clean paint brush to loosen the dust and toner inside the printer and then tack cloth or a lightly dampened lint free cloth to wipe up the toner. Make sure you don't touch anything as the oils on your fingers can also cause problems.

    You can attempt to wipe the photodeveloper with some 99% alcohol but I would avoid it or keep it as a last ditch effort but I haven't had much success doing it in the past.



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