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HP PageWide Pro 750, MFP 772, 777 - Replace cartridges

Replace cartridges

The product uses four colors and has a different cartridge for each color: yellow (Y), magenta (M), cyan (C), and black (K).
note:
  • To prevent print-quality problems, HP recommends replacing any missing cartridges with genuine HP cartridges as soon as possible. For more information, see Order cartridges.
  • Never turn off the printer if any cartridges are missing.
  1. Open the cartridge door.
  2. Push the old cartridge inward to unlock and release it.
  3. Grasp the edge of the old cartridge and then pull the cartridge straight out to remove it.
  4. Do not touch the metal contacts on the cartridge. Fingerprints on the contacts can cause connection errors.
  5. Insert the new cartridge into its slot.
  6. Close the cartridge door.

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