That's easy. Take out the cartridges. Your black cartridge is number 21 i guess, so all you need to do is take off the label on your cartridge. You will see a single hole. You need a syringe and needle to do the refill. Put 10ml of black ink in the syringe, put the needle in the hole. You will feel a slight resistance- that is normal, there is a sponge inside, nothing you can damage. Pour the ink. Usually, cartridges are not entirely empty, so if ink begins to emerge from the hole, or starts leaking from the print head, just extract a ml or two, wipe the cartridge with some tissue and voila!
Now don't be surprised if the printer keeps telling you the cartridge is empty, that is normal- neither the printer or your computer can know that you have refilled your cartridge. The ink level will appear only when you put in a new cartridge. You can try and find in printing preferences how to shut down the warning, or you can just ignore it ;)
Hope that helps!
Testimonial: "Good, simple instrutions. Nice."
SOURCE: refilling inkjet cartridge!!
Have you purchased a refill kit yet ? If so there are great instructions with them. but generally there is a rubber cap on the top of the cartridge you remove. You draw the ink into a syringe and slowly inject it into the cartridge. Slowly is the key. Replace the plug and tape over it with the tapes they provide. Its important you get the sealing done right or air will enter the top and the ink will flow out of the cartridge into your printer.
It's really not hard at all, just follow the procedures carefully and in 10 minutes you will have the cartridge functioning again.
Just follow the directions, you will be fine.
SOURCE: hp 3550 printer color cartridge printing but black not printing
try to clean the black cart :
# Hold the cartridge upside down, with the bar-code label facing you and take a damp paper towel.
# Use the towel to wipe the printhead of the cartridge on the bottom (where the ink comes out). Wipe the printhead horizontally in one direction only (left to right).
# Continue doing this until it looks clean.
# Then dab the cartridge on the towel to make sure the ink is flowing.
# Next, look inside the printer and locate the carrier that holds ink cartridges. Caution: Make sure the cartridges are not installed at this point.
1. Look for a shiny piece of metal underneath the contacts at the back of the carrier.
2. Take a damp cotton swab (use water only!) and wipe along the bottom of the shiny metal piece. Note: You may need more than one swab.
# Reinstall the cartridges, making sure you snap them correctly into the printer.
SOURCE: refilled cartridge not printing
Try to cartridge manually ,please follow the instructions :
# Hold the cartridge upside down, with the bar-code label facing you and take a damp paper towel.
# Use the towel to wipe the printhead of the cartridge on the bottom (where the ink comes out). Wipe the printhead horizontally in one direction only (left to right).
# Continue doing this until it looks clean.
# Then dab the cartridge on the towel to make sure the ink is flowing.
# Next, look inside the printer and locate the carrier that holds ink cartridges. Caution: Make sure the cartridges are not installed at this point.
1. Look for a shiny piece of metal underneath the contacts at the back of the carrier.
2. Take a damp cotton swab (use water only!) and wipe along the bottom of the shiny metal piece. Note: You may need more than one swab.
# Reinstall the cartridges, making sure you snap them correctly into the printer.
SOURCE: printer cartridge refill problem
When a cartridge is filled with non-standard ink, the printer will stop recognizing the cartridge.
SOURCE: Just installed refilled black ink cartridge on hp
By using refilled cartridges you will always have this problem. Each cartridge has a chip that lets the printer know when it is full or empty. By pressing the ok button you may be able to clear this message. However, most of the time you can still be able to print and ignore the message.
HP #74 Cartridge
Refill Instructions
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