Question about Brother MFC-5840CN All-In-One InkJet Printer

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Cannot get yellow ink to print even tryed new cartridge .used cleaning over 10 times

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  • 164 Answers

Routine maintenance and keeping full ink tanks will prevent this problem, however if you have the problem you can resolve it by doing the following:
1. Clean your print head using denatured alcohol solvent which can be purchased from most hardware stores. If unavailable, use 91% Alcohol (isopropyl alcohol (first aid antiseptic) which is available for less than a dollar at most Walmart pharmacy departments.

*Warning: You may want to use a pair of latex exam gloves as this is a messy process and can stain your fingers.
Time necessary 45-50 minutes
Supplies needed:
Isopropyl Alcohol or denatured alcohol
paper towels
latex gloves
sink, bowls and or basin
can of compressed air
very small screw driver
tablespoon or baby bulb type syringe
warm water

PROCEDURE:
1. Lift print head from printer. It pulls out easily because it is held in with the same down lever that holds the cartridge in place.
2. Put two layers of paper towels in the bottom of a dish to protect sensitive sprayer heads.
3.Put enough solvent in dish to cover the screens on which the cartridges sit when in use.
4. Take the two small screws out that hold the white ceramic piece
5. Gently, pry the ceramic piece back and away , to reveal the underside (No need to pull away the glued points on the sides.)
6. Gently, move head up and down to slosh solvent around it the best as you can. Use a table spoon or syringe to pour solvent over all orifices in the print head, turning it upside down and then back a few times.
7. Use canned air with a plastic straw to blow into and through all orifices, alternately sloshing/swishing and pouring solvent over head (be careful not to touch any of the holes, screens, or sprayer heads with anything)
8. Empty dirty solvent from bowl and replace with paper towels and clean solvent. Soak for approx 10 minutes. Rinse again with clean solvent poured directly on all parts, letting solvent overrun and fall into dish or basin.
9. Gently shake the solvent off the head, take it outside and spray with compressed air into all orifices to clear out and help evaporate any remaining solvent. Let sit on a clean paper towel for approx 20 minutes. (There may be a little ink bleeding out of the head, but once it dries completely it does not present any problems.
10. Reinstall head, cartridges and it will print like a new printer.

SUGGESTION: For many years of problem free printing, keep a double set of ink cartridges, one set full at all times. Whenever a cartridge runs out of ink, replace it IMMEDIATELY, with a new one or a refilled one. This gives the print head no chance to dry out and create clogged heads. Routine maintenance of cleaning the heads every 24 months does wonders for keeping your printer in new condition.

Hope this helps. .

Posted on Feb 08, 2010

  • JM Alvis Feb 08, 2010

    Routine maintenance and keeping full ink tanks will prevent this problem, however if you have the problem you can resolve it by doing the following:
    1. Clean your print head using denatured alcohol solvent which can be purchased from most hardware stores. If unavailable, use 91% Alcohol (isopropyl alcohol (first aid antiseptic) which is available for less than a dollar at most Walmart pharmacy departments.

    *Warning: You may want to use a pair of latex exam gloves as this is a messy process and can stain your fingers.
    Time necessary 45-50 minutes
    Supplies needed:
    Isopropyl Alcohol or denatured alcohol
    paper towels
    latex gloves
    sink, bowls and or basin
    can of compressed air
    very small screw driver
    tablespoon or baby bulb type syringe
    warm water

    PROCEDURE:
    1. Lift print head from printer. It pulls out easily because it is held in with the same down lever that holds the cartridge in place.
    2. Put two layers of paper towels in the bottom of a dish to protect sensitive sprayer heads.
    3.Put enough solvent in dish to cover the screens on which the cartridges sit when in use.
    4. Take the two small screws out that hold the white ceramic piece
    5. Gently, pry the ceramic piece back and away , to reveal the underside (No need to pull away the glued points on the sides.)
    6. Gently, move head up and down to slosh solvent around it the best as you can. Use a table spoon or syringe to pour solvent over all orifices in the print head, turning it upside down and then back a few times.
    7. Use canned air with a plastic straw to blow into and through all orifices, alternately sloshing/swishing and pouring solvent over head (be careful not to touch any of the holes, screens, or sprayer heads with anything)
    8. Empty dirty solvent from bowl and replace with paper towels and clean solvent. Soak for approx 10 minutes. Rinse again with clean solvent poured directly on all parts, letting solvent overrun and fall into dish or basin.
    9. Gently shake the solvent off the head, take it outside and spray with compressed air into all orifices to clear out and help evaporate any remaining solvent. Let sit on a clean paper towel for approx 20 minutes. (There may be a little ink bleeding out of the head, but once it dries completely it does not present any problems.
    10. Reinstall head, cartridges and it will print like a new printer.

    SUGGESTION: For many years of problem free printing, keep a double set of ink cartridges, one set full at all times. Whenever a cartridge runs out of ink, replace it IMMEDIATELY, with a new one or a refilled one. This gives the print head no chance to dry out and create clogged heads. Routine maintenance of cleaning the heads every 24 months does wonders for keeping your printer in new condition.

    Hope this helps. .

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1 Answer

All colors print except the Magenta. I have run the cleaning several times to no avail. The print quality check shows black yellow and blue, not even a hint of red. I hane replaced the Magenta cartridge.


It's really hard to say without knowing a bit more.
When and how did this happen?
Did you keep the machine idle, without using it for some time?
Lack of regular use causes the jets to clog up because of dry or drying ink.
Did you try refilling the cartridge?
Not all ink is universally suited.
Are the contacts clean and unobstructed?

First of all, don't waste any more ink running the cleaning cycle. It's rarely of any use when the condition is this bad.
There is a cleaning kit available with a special cleaning solution and it has never failed for me. It's cheaper than a new ink cartridge. :)

The catch is that, you will need a used ink cartridge and you will need to put some of this solution where the ink was. Then run the cleaning cycle or even try to print.
You'll get all the little accessories, like a tiny drill bit, some syringes and a bottle of clear solution.
The included instructions are not hard to follow.

I suppose the worst case scenario will require a trip to the service depot.

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Yellow ink will not print


On the Brother MFC series printers it uses remote ink trays as you will know, instead of having print heads directly on the ink cartridge. Whilst this approach makes it cheaper to produce the ink, and easier to change the cartridge, it can make it difficult to clear clogs.

There are several things you can do which may help, but B. and C. are at your own risk. All steps assume you have a new yellow ink cartridge.

A. In paint or another program, create a full page yellow image and keep printing it out. See if it gets any better after each print. If it does, continue until it seems to be working fine.

B. If you can manage to get to the print head, you can get a cue tip, dip it in rubbing alcohol and gently clean the print head. Leave 20 minutes to dry, and then do step A. again.

C. (AS A VERY LAST RESORT AT YOUR OWN RISK. THIS IS GOING TO RUIN YOUR YELLOW INK CARTRIDGE SO USE AN OLD YELLOW ONE IF YOU CAN) If steps A. and B. fail, you can put a "little" rubbing alcohol in the Yellow Ink Cartridge, and keep trying step A. If Yellow starts printing again, swap to a yellow cartridge that does not have rubbing alcohol in it. You are now going to have to cycle through many pages to clear the rubbing alcohol from the ink lines.

Note that if you keep cleaning the cartridges, it is going to use a lot of ink, and may actually hinder solving your yellow ink problem.

Good uck

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HTML clipboardHi,
It you haven´t used your printer for a while It sounds like the yellow has clogged up in the print head.
Although you have ink you need to print something regularly about every 10 days to keep the tiny jets open
otherwise it´s like trying to pass a camel through the eye of a needle.

So the inks may have clogged up?

The empty weights are 65g C6615A [No. 15] black and
90g C1823A color ink cartridge
anything over that... 1g = 1ml of unused ink.

So if you still have ink you can easily unclog it with a HTML clipboard Magic Inkjet Flush Kit (find it on Ebay)

Or you can read more here:

How to Clean, Fix, Repair, Unclog, Dry, Clogged Print Heads on CANON, EPSON, HP, Lexmark, Dell, Olivetti etc…


Good Luck!
Tinteiros (Ebay)

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http://www.powerklin.co.uk/?gclid=CNGDypir-JgCFQ4yQgodZlC4lw
Others are available just try googling "inkjet head cleaning".
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Please take a moment to rate this solution, thanks.

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Your print head is likely toast.

The only way to be sure is to test out your purge unit (aka capping assembly).

This assembly provides the suction when you use the cleaning function. One test is simply to install a new oem ink cartridge, do a bunch of cleanings and see that it is actually emptying the ink out of the cartridge (look in the cartridge and see that the ink is being used up).

Since you said you have tried several cartridges, I would hope this means you know 100% for sure that the ink level in the cartridge is going down (you cannot rely on the level indicator in your driver software).

Since your purge unit is working, then your print head is either so clogged that the purge unit isn't strong enough to clean it, or the print head is defective.

Remove the print head and inspect the bottom. Give the bottom surface (and no more) a rinse under very hot running water. Blot the bottom surface on paper towel and see if there is any yellow ink coming off in the paper towel. If you can find a tube that will fit over the yellow ink well in the print head (the part that contacts the ink cartridge) try and force water through the tube and see if a fine mist comes out the bottom of the print head. If yes, then the head is not clogged. If no, leave the print head to soak for several hours. A saucer with a small amount of water in it will do. Just let the bottom surface of the print head contact the water (the cap off of a can of spray paint usually works for this)

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