Question about Dell 5100cn Laser Printer

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Dell 5100cn black will not print

Shortly after changing the transfer roller and imaging drum, the black started printing very light. The colors were still perfect. Eventually the black is barely legible. I have cleaned everything I can find to clean. Someone said clean the black auger tubing but I can't find how to get to that. Someone else said it sounded like the imaging drum. They said the black could be bad while colors good even if the drum needed replacing. Since I just replaced it, I am wondering could I have gotten a bad drum? I don't mind purchasing another one, but sure hate to if I will still not be able to get the printer working.

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5 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

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SOURCE: Prints only blue and pink

I had the same problem. I popped off the right side panel and wiggled all the wires and the yellow started working again. It seemed to be a connection problem.

Posted on Aug 01, 2008

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Corysf62
  • 188 Answers

SOURCE: Dell 5100cn - Magenta color on all prints

Hi 56tbird.

The answer you got from Dell was partially correct.

It is the Magenta Developer that is causing your problem, however, you can replace this part for less then the printer if you do the work yourself.

I have successfully instructed other on replacing the developer units, although you will have to procure the part.

This is one of the 4 color assemblies you see when you remove the imaging drum.

The part number for the Magenta Developer is M6090

The first thing to do is price the part. I usually suggest doing a google search for the part number. you will find many resellers that way.

you might also try a search on Ebay for the part number as well.

If you decide to purchase the part, if you somewhat mechanically inclined, you should be able to replace the part without a problem.

I can give you detailed instructions on how to change the developer if you decide to go that route.

Thanks,

Cory

Posted on Nov 04, 2008

  • 85 Answers

SOURCE: laser scanner on dell 5110cn laser printer, prints black smudges

replace fuser. How far apart is the ghost image?

Posted on Feb 16, 2009

  • 114 Answers

SOURCE: I've getting the "Replace transfer roller" message

  1. reset count in printer menu
  2. clean the optical sensor

Posted on Mar 15, 2011

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Related Questions:

1 Answer

How do I know which power supply to change on my printer?


normally it's the LVPS.
Make sure the metal contacts on the toner cartridge and the ones that touch the cartridge are clean

Jul 18, 2014 | Dell 5100cn Laser Printer

1 Answer

Why is my printer printing very faded grey text instead of black?


getting low on black toner? When you changed the black toner, did you remember to remove the plastic strip? Silly question, I know, but it happens.

Jul 17, 2014 | Dell 5100cn Laser Printer

1 Answer

Printed image repeats later


I have a Dell 5100CN, and believe that this problem is caused by the drum not releasing the full charge which holds the ink in place on the drum until the page is printed. After the image is transfered to the Drum, the 'Fuser' unit heats up the paper and pressure forces the paper against the drum to transfer the toner from the drum to the paper.

Since the Image is printing, and you are getting a ghost, I guess that the problem is most likely the 'Pressure Roller' or 'Heater' in the 'Fuser' unit.

Buying the Fuser unit from Dell could cost you around $200 from Dell, but I just found one on eBay for $129 Got to www.ebay.com and search for item number 190388919845

I highly recommend that you buy a new OEM (original Equipment Manufacturer (Genuine Dell)) 'Fuser Unit'

Good Luck

Apr 23, 2010 | Dell 3010cn Laser Printer

2 Answers

Is transfer roller available separately. dell only sells it with imaging drum


it does work we have both models and the transfer rollers are interchangeable between the 5100 and 5110.

Oct 02, 2009 | Dell 5110cn Laser Printer

1 Answer

Dell 5100cn printer printing yellow lines across the page.


This can be any of rthe following depending on the position iof the lines on the page. You need to establishe the position of the lines relative to the top of each page and this determines which of the following component will cause the problem

Dirty or damaged developer roller.
Dirty or damaged charging roller.
Dirty or damaged cleaning roller.
Dirty or damaged developer DSD wheels. These wheels are located on the outer ends of the color toner cartridge and appear as a black bushing.
Dirty or damaged transfer roller.
Dirty or damaged transfer drum.

All of them need inspecting and cleaning

Sep 23, 2009 | Dell 5100cn Laser Printer

1 Answer

Dell lj 5100 shadow print and black streaks


The mfr. & model don't seem right; Dell does have a 5100 but the LJ designation is copyrighted by HP who has a LaserJet 5100.
The rotating drum that transfers the image to paper is smaller in circumference than the paper is long; this accounts for the shadow and the streaks come from the drum no longer being properly discharged and cleaned for the next pass.
I think you need a new drum cartridge and whether Dell or HP made it, you should be able to buy a drum cartridge here:
Precision Roller 
I used them for years while in business and they are great to work with.

Apr 26, 2009 | Dell 5100cn Laser Printer

1 Answer

Dell 5100cn - Magenta color on all prints


Hi 56tbird.

The answer you got from Dell was partially correct.

It is the Magenta Developer that is causing your problem, however, you can replace this part for less then the printer if you do the work yourself.

I have successfully instructed other on replacing the developer units, although you will have to procure the part.

This is one of the 4 color assemblies you see when you remove the imaging drum.

The part number for the Magenta Developer is M6090

The first thing to do is price the part. I usually suggest doing a google search for the part number. you will find many resellers that way.

you might also try a search on Ebay for the part number as well.

If you decide to purchase the part, if you somewhat mechanically inclined, you should be able to replace the part without a problem.

I can give you detailed instructions on how to change the developer if you decide to go that route.

Thanks,

Cory

Oct 31, 2008 | Dell 5100cn Laser Printer

2 Answers

Color Faded


This sounds like a typical Developer Drive failure. The Developer Drive for color is different that the black developer drive. This is why black can print fine, but colors are faint or non existant. see below,a recent bullitin about this exact issue from Dell. ( the ROS, is the printhead, and is located behind the 4 developers.

5100cn Printer
Print Quality Issue
1. Problem: - Color images are extremely faint or not produced, but black images are produced without any problem.
Resolution: - Replace Developer drive assembly (H6702) and clean ROS Window/Glass.
If you chose to persue this repair, you can probably find a replacement developer drive by doing either a google search for the part number listed ( H6702 ) or an ebay search for the same. We can also provide you with removal and replacement instructions.

Good Luck

Oct 19, 2008 | Dell 5100cn Laser Printer

1 Answer

Deteriorating image quality


Good Evening Robert,

The setting for non dell toner only controls the fuser temperature, and will not cause you any print quality issues. Toner is actually made up of ink and plastic. The fuser melts the plastic to "fuse" the image to the paper. Dell toner is set to "fuse" at a specific temperature. when you use non Dell toners, the temperature required to fuse may be different, and when set to non dell toner setting, the fuser temperature is raised to the maximum to ensure the other toner fuses properly. The down side to this is that you will wear out the fuser sooner then it should.

As far as the print quality issue you are having, it is most likey caused by the imaging drum.

Regardless of the estimated life for the imaging drum as stated by the printer, this is just an estimate. Many things can and will cause the imaging drum need replacing. ( Just yesterday I replaced a black toner in a 3115 that was less then a month old... genuine Dell... with more then 75% expected usage left because it was defective).

On this printer, each of the 3 colors and the black are all independent of each other with the exception of the imaging drum. Even within the imaging drum, cyan and black are independent of magenta and yellow on the first stage of transfer. When you have deteriorated print quality that effects more then one color, the first step is to replace the imaging drum.

The Primary transfer, secondary transfer, and tertiary transfer of the image are ALL contained within the imaging drum.

The chances of having 3 or 4 bad Developers is very very slim. If your print quality issue was related to only ONE color, then I would say you had a bad developer unit ( the 4 items located behind the imaging drum when removed). These are far more difficult and expensive to change.

The BTR ( bios transfer roller ) is the only other item that "could" effect your print quality, however, based on the symptoms you discribed, I doubt it. Besides, if i am not mistaken, the imaging drum kit comes with a new btr anyway.

Although I am sure you may be disappointed with the fact the drum unit is failing while showing it still has life remaining, the solution to replace it should restore your unit to full operation. The unit is light sensative, and effected by physical age as well as the number of prints it has supplied.

Please evaluate the solution i have provided and, rate the solution appropriately to show your support.

Thanks,
Cory

Oct 11, 2008 | Dell 5100cn Laser Printer

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