How to Refill Lexmark Z735 Ink Cartridges

Written by pamela gardapee
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How to Refill Lexmark Z735 Ink Cartridges
(Used ink cartridges for recycling image by itsallgood from

The Lexmark Z735 printer only uses a colour ink cartridge (#1/18C0781). The same ink cartridge is also used in the X2350, X3470 and X2470 printers. A refill kit for the Z735 can usually be used from two to four times, depending on the kit.

Skill level:

Things you need

  • Lexmark #1 refill kit
  • Newspaper
  • Rag
  • Toothpicks

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  1. 1

    Spread a piece of newspaper out on a table. Empty the contents of the refill kit onto the table. The kit has one thumb drill, three syringes and one bottle each of cyan, yellow and magenta ink. Remove the label from the Lexmark cartridge to reveal the vent holes.

  2. 2

    Use the thumb drill to enlarge the vent holes, so that they can fit the syringe needles. Place the drill on a vent hole and turn back and forth to enlarge the hole.

  3. 3

    Insert a toothpick into each vent hole to test which colour is where on the ink cartridge. The magenta should be at the top left, the cyan at the right centre and the yellow at left centre.

  4. 4

    Insert the syringe needle into the bottle of ink (one syringe for each colour). Draw seven millilitres of ink into the syringe by pulling the piston upwards.

  5. 5

    Inject the ink into the Lexmark ink cartridge. Insert the needle into the vent hole and slowly press down on the piston. If the ink bubbles out of the vent hole, stop filling and wipe up the ink with the rag. The specific colour may not be empty and will not take the full seven millilitres. Fill each colour.

  6. 6

    Insert the cartridge into the printer. Use a text document that has some colour on it to run two to three test pages, in order to cycle the ink inside the cartridge.

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