How to Change an Ink Cartridge in an HP Color LaserJet 3550

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How to Change an Ink Cartridge in an HP Color LaserJet 3550
The LaserJet 3550 prints using toner instead of ink. (database on paper image by .shock from

The HP Color LaserJet 3550 uses toner rather than ink to print images on paper. This might seem like a minor difference, and in some ways it is, but if you're used to dealing with ink cartridges, you might be thrown by the bulk and perceived complexity of a toner cartridge. Not to worry, because the process of replacing a toner cartridge is simple, and the LaserJet 3550 even includes markings to help guide you.

Skill level:

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Things you need

  • HP 70A black toner cartridge
  • HP 71A cyan toner cartridge
  • HP 72A yellow toner cartridge
  • HP 73A magenta toner cartridge

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  1. 1

    Lift the latch on the printer's front panel, then pull the front panel all the way down.

  2. 2

    Grab the empty toner cartridge by its handle and pull it straight out of the printer. Remove the new toner cartridge from its bag, then place the empty toner cartridge in the bag, and set it aside for recycling.

  3. 3

    Rock the new toner cartridge slowly from side to side to make sure the toner is distributed evenly.

  4. 4

    Peel the shipping tape off the toner cartridge, remove the shipping locks, and discard them.

  5. 5

    Place the toner cartridge over the colour slot inside the printer. Grip the handle on the cartridge and slowly insert the cartridge into the printer, keeping it aligned with the provided markings.

  6. 6

    Shut the printer's front panel firmly.

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