Question about Dell 5110cn Laser Printer

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Toner smearing all over page

We are having a problem with our Del 5110 Magenta toner. It seems to be spreading all over the page. Not to the point that we can't see what's bein gprinted.... but it almost seems we need to clean the inside of the printer somewhere. We have no idea where to start. We purchased the printer from someone who had no problems with it at all. PLEASE HELP. Thanks!

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  • jenny469 Sep 14, 2008

    We have horizontal magenta stripes across everything we print at the moment. Any ideas??

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The problem with this printer is not the fuser. It is one of the following:

1) Imaging drum. The drum contains 4 imaging drums. One for each color. They are independent of one another on the initial image transfer and only combine after the initial image is developed. This IS a user replaceable consumable and should be tried first. If this does not resolve the problem see #2.

2) It is the magenta photo developer unit. This part is NOT a user replaceable part, and requires quite a bit of work to get to. The photo developer is located in the developer frame assembly, which can be seen behind the imaging drum when it is removed. The top cover, left side cover, HVPS, and all 4 toner feed tubes have to be removed in order to remove the photo developer frame, and after the frame is removed, the photo developer itself has to be removed from the frame and replaced. reverse disasembly to put back together.

Usually the tell tale sign for a leaking developer, other then full sheets of light color, is extream excess toner dust behind the imaging unit.

Posted on Oct 01, 2008

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Get a new printer (hopefully a warranty replacement) is the only fix I have found. I have 10 of these printer. On average, at least 1 of them will develop this exact issue each month. Nothing ever fixes it. We have tried new drums, new fusers, and techs to come out and replace the developer unit. The replacement of the developer fixes it for a few days, but the problem comes back. There is something that causes it to go bad that Dell has not figured out yet.

Posted on Jun 11, 2009

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Phlybnt

do you use Dell branded toners or have you been using a compatible toners? If you are using compatible toners can you tell me what brand they are?

Posted on Dec 22, 2009

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Try a new fuser.

Posted on Aug 19, 2008

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Replacing the transfer roller unit has fixed this in 5110cn printers for me. There is sensor in the printer that triggers an error when the transfer roller is full of toner and needs to be replaced. However, I believe this circuitry is often faulty or that the transfer rollers do not work correctly even though the sensor circuit thinks the transfer roller is ok (not full). Try the following diagnostic. If you get an H in the end, replace the transfer roller unit:
Replace Transfer Roller Diagnostic

  • Power off
  • Hold Up and Down arrow button while…
  • Power on
  • Customer Mode
  • Right arrow to
  • IOT Diag
  • Enter
  • Digital Input
  • Enter
  • Arrow up to
  • DI 23 off
  • Enter
  • DI 23 – L or DI 23 – H
  • H means Toner Full

Posted on Jul 09, 2009

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