Question about Dell 5110cn Laser Printer

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Dell 5110cn Printer Problem

Hi, Thanks for being here for us! I see that you have responded to similar questions, so I thought I'd pick your brain if you don't mind.

Our Dell 5110cn color laser printer stopped printing black ink yesterday. It started fading out and streaking early in the day and now there is only a thin streak of black on one long edge. However, the colors print fine. From reading the other posts, I am guessing the the black developer has gone bad. One of my questions is this: How certain are you that this is the problem? I will order the part and attempt the install myself, but I'd like to be as sure as possible that this is the problem before I attempt it. Is there any other likely cause? By the way, is Dell the only place to order this part (or any part) or are there other, perhaps better, places to purchase Dell parts?

Another question is this: Do you know of any step-by-step directions for installing the developer if that is the problem? I live in the middle-of-nowhere, relatively speaking, and technicians are not readily available. So, I guess I'm game for the install if it's possible to do with good directions.

Thank you in advance for any information you can give me. My email address is . If you would like to respond, that would be an easy way to chat with me. Thanks!

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  • carmcg Oct 12, 2008

    Thanks for the specific info! I have gone into the control panel and cleaned the black developer about 3 times with no results. I just placed a new imaging drum in not long ago (about 6 weeks of use). I'm afraid I have thrown the old one away but I do have a 5100cn one on hand. Do you know off-hand if they are interchangeable? The model that is affected is a 5110cn.

    Just to be clear, the part I will probably need to replace is the black developer assembly, correct?

    Also, do you know of a good source for install instructions for this procedure?

    Thanks again!

  • asterismW Oct 27, 2008

    I'm having a similar problem, except in my case, it's the magenta color that's not printing. I've tried cleaning the developer and replacing the imaging drum, but still no magenta.

    A couple things to note: when I ran the developer cleaning, it sounded like there were some gears grinding; it didn't sound that way when I tested the developer cleaning for yellow. Also, there's no toner on the magenta toner feed tube (at least, that's what I think it is; the roller just behind the magenta imaging drum). There is toner on the other tubes.

    So I think it might be the developer unit. Assuming I can get the part, can you post instructions on how to replace it?

    Thanks so much; your post has already been extremely helpful.

  • asterismW Oct 28, 2008

    Update: I just talked to a Dell technician who ran me through a few things. He thinks the problem is with the toner dispenser assembly, which a technician will have to replace.



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I am having this same issue with my 5100cn...but it began after I replaced the imaging drum. Could I possibly have gotten a bad one?

Posted on Jan 21, 2013

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Hi Caroline,

Thank you for using Fixya.

From what you mentioned, it does sound like you may have a defective black developer, especially since the rest of the colors are still functional.

The imaging drum COULD cause this as well, even if the other colors are working, as the primary transfer still has involves a photo conductor that acts independent of the other 3 colors.

Before you swap out any parts, do try this... using the control panel, lets try to clean the black developer unit. what this does is cause the auger to move toner from the cartridge to the black developer and insures that there is in fact toner in the developer.

click on the menu button, scroll to select maintenance, then developer cleaning, then select black.

try printing again after that.

If that does not fix the issue, again before spending money on repairs, I would try a new ( or an old one if you did not get rid of it ) imaging drum. If that fixes the problem, then it needed to be changed. if it does not, it IS a consumable and will need to be changed in the future anyway, you can put the old one back in and the new one back in the silver pouch and reseal it until you need it.

if neither of those two things work, then the next step would be the developer itself.

I am sure you can purchase the item from Dell. I have not looked, but usually you can do a google and/or ebay search for any Dell part number as well and find it for sale that was as well.

Good Luck :)

Posted on Oct 12, 2008

  • Cory Friedman
    Cory Friedman Oct 12, 2008

    yes... ME :)

    I can guide you through that if and when the time comes.



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SOURCE: Dell 5110cn Printer Problem

looks like this is a duplicate post from the last one that I already replied to.

I will just continue to help on the other one .



Posted on Oct 12, 2008

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looks like this is a duplicate post from the last one that I already replied to.

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