Want to refill ink cartridge but don't know where to inject ink.

The ink cartridges used in Epson's Stylus line of printers are very similar to the ones used in its other printers. A handful of cartridges--like the S020034, S020047 or S020049--may require a slightly different refilling technique, but they all basically entail opening a fill hole in the top to run down into the ink chamber within. Once the chamber is accessible, you can use a basic refill kit with a syringe bottle to refill the chamber, as with most printer-ink cartridges.
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1. Hold the cartridge upside down so the outlet holes to the printer paper are on top. Cover each hole with a piece of tape, then turn the cartridge right-side up.

2. Make a hole in the top of the cartridge above each ink chamber. For most cartridges, simply poke a hole through the label with a toothpick. With cartridges like the Epson Stylus 34 (the casing of which is black), pull back the label to reveal the filling holes and puncture the seal of each home. For the 47 or 49 color cartridge, drill a 1/8-inch hole in the shell between the label and front edge.

3. Determine which color of ink is in which chamber (if you're refilling a color cartridge). The toothpick used to puncture the hole should draw out some ink to show you. If you have a cartridge in which you punctured the label directly, the order of the color chambers is usually cyan, magenta and yellow. If you created the hole in another way (like with the 34, 47 or 49 cartridges), the order is usually magenta, cyan and yellow.

4.Fill the syringe bottle with 5ml of ink. Insert the needle in the filling hole and inject the ink. There may be a sponge inside the chamber, so make sure the needle goes all the way through to the bottom. The 34 cartridge takes up to 12ml of ink.

5. Tape over the fill holes you created. If you drilled the holes, plastic plugs (like the ones included in a refill kit) can work as well. Leave the tape on the outlet holes as you replace the cartridge in the Epson Stylus printer.

6.

1. Remove the old ink jet cartridge from the printer following the manufacturer instructions. Close the lid on the printer to keep it free from dust and debris while you are refilling the Canon ink cartridge.
   

2. 2

   Locate the ink tank on the cartridge. Put a 3mm drill bit in a drill. Drill a hole in the top of the ink tank on the cartridge.
   

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   Gently insert the needle on the bottle of ink into the hole you just drilled in the ink cartridge. Avoid squeezing the bottle until the needle is completely inserted in the ink tank.
   

4. 4

   Squeeze the ink bottle gently to refill the cartridge. Fill the tank with a little at a time until the cartridge is full.
   

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   Remove the needle from the ink tank. Wipe the top of the Canon ink cartridge off with a paper towel. Place a small piece of duct tape over the drilled hole. Rub the tape to remove air bubbles and to make sure it adheres to the cartridge.
   

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   Put the refilled ink cartridge back into the printer. Clean the head of the printer by running the printer software and following the instructions for head cleaning.