Oops, You really have to print, selected black, till all Cyan ink is gone. This could take a while. Cleaning the head, won't solve anything.
If you really want to clean the ink out of the head and everything, you need special cleaning fluid. Refill shops do have this fluid. You should bring some cleaning fluid in the tube under the black cartridge, in the tube where the ink is going in. If you have a syringe you could try to gently press some fluid through the tube. Not to strong. could damage the head.
After placing back the black cartridge, select clean the head and let the printer do some black and withe print jobs, till the cyan is gone.
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SOURCE: Only printing black and cyan
If you have used third party carts before you can't repair this problem due to the fact that the filter inside the printhead is clogged with particles. There is no chance to clean the filter. Sorry. Do use only dye ink. Pigmented ink is the printhead killer for brother printers!
SOURCE: Brother Printer Cannot Print in Black
This could be because of several probs: 1. The ink cart is not original and wont let the ink flow, because the valve is not open. 2. There might be air bubbles within the capillaries. 3. The ink is not genuine ink and has pigments in it. Solution: see here, too: http://welcome.solutions.brother.com/bsc/public/us/us/en/faq/faq_top.htm?reg=us&c=us&lang=en&prod=dcp110c_us Insert another ink cart. Use, if possible, the genuine ink cart from brother. Do the cleaning cycle twice. This will extract the air bubbles out of the caps after the second time. If you dont have any success the printhead is clogged and cant be cleaned anymore!
SOURCE: Brother MFC-6490CW is not printing black
If it's under warranty you're in luck, you need a new printhead,LK3197001, around $80.00. I just replaced one yesterday in the shop for the same problem. I would call Brother customer service and see if they'll help cover the cost.
1-800-276-7746
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SOURCE: My brother printer dcp-165C can't print black
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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