How to Fix Your HP 78 Inkjet Cartridge

Written by bonnie conrad
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How to Fix Your HP 78 Inkjet Cartridge
Keeping your print cartridges clean is important (dun cat - printer image by Maria Brzostowska from Fotolia.com)

HP printers are popular choices for both home and office use--and for the most part these printers are both affordable and reliable. Even so, it is important for anyone who uses an HP printer to know what to do when something goes wrong. Some of the most common issues with HP printers revolve around the print cartridge, so it is important for printer owners to know how to check their cartridges for problems and resolve common issues.

Skill level:
Moderate

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Things you need

  • Computer
  • Printer with HP 78 cartridge
  • Isopropyl alcohol
  • Cotton swab

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Instructions

  1. 1

    Log on to HP's website and check to see if there are print head alignment tools available for your printer. These automatic print head cleaners are very effective at cleaning the print heads and removing any built-up ink that has accumulated.

  2. 2

    Open the cover of the printer and wait for the print heads to move to the centre of the printer. Flip up the cover that sits on top of the print cartridges and pull the HP 78 cartridge forward and up at the same time.

  3. 3

    Pull the HP 78 cartridge free of the printer and set it aside. Place it on a piece of paper or in a box in a warm area. When the cartridge is cold, the ink can begin to congeal--and when the cartridge warms up in the printer, too much ink can be released. By equalising the temperature, you can prevent this problem.

  4. 4

    Turn the cartridge over so that the bottom is facing you. Dip your cotton swab in some isopropyl alcohol, then carefully wipe the bottom of the cartridge. Use a new cotton swab when the first one becomes soiled, and continue to wipe the cartridge until there is no more dirt or accumulated ink.

  5. 5

    Let the cartridge dry and replace it. Print a test page to check the results of your work.

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