How to Refill a Lexmark 37

Written by james werning
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How to Refill a Lexmark 37
Everyone likes a working printer. (dun cat - printer image by Maria Brzostowska from

You can save money by refilling your own inkjet cartridges. It's a relatively easy job that requires only a small investment in ink and a refill kit. Not all cartridges can be refilled, however: the Lexmark 37 colour cartridge (which Lexmark sells at discounted price) can not be refilled, but the interchangeable Lexmark 37A cartridge can. There is no way to "fool" your computer into thinking the Lexmark 37 is full, so make sure you have a Lexmark 37A to refill.

Skill level:

Things you need

  • Newspaper and/or rags
  • Yellow, magenta, and cyan ink for the Lexmark 37A
  • An ink cartridge refill kit

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  1. 1

    Cover your work space with newspaper and rags. Place your Lexmark 37A cartridge in front of you. Peel off the label on top.

  2. 2

    Drill a hole in the circular depression in the upper left corner of the cartridge top, using the drill provided in the kit. Drill a second hole at the bottom of the squiggly line, just to the left of the middle of the cartridge. Drill a third hole at the bottom of the squiggly line, just to the right of the middle of the cartridge. Note that the first hole is for magenta ink, the second hole is for yellow ink, and the third hole is for cyan ink.

  3. 3

    Fill your syringe with about 7ml of magenta ink. Insert the needle into the first hole and very slowly press the plunger, while slightly moving the needle up and down. Keep pressing slowly until all the ink is absorbed, or until it starts running out of the hole on top. Don't stop if only air bubbles come out of the hole. Clean any drips with a rag, and prevent drips from running into the other holes.

  4. 4

    Repeat the same process with the other colours. Gently replace the label; do not fasten it down with tape, since air needs to get to the holes you drilled. Put the cartridge in the Lexmark printer and run several cleaning cycles.

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