INK LEVEL RESET FOR HP Cartridges HP 21


  1. Remove cartridge from your printer.
  2. Place a piece of tape over the top left contact as shown in red on the picture to the right. and then place cartridge back into printer.
  3. The printer will perform and alignment page. (Some newer models no longer print alignment pages. If printer runs through a series of priming routines and stops for 20 seconds continue through with next step.)
  4. Once an alignment page has been printed remove cartridge from printer and then place a piece of tape over the second contact shown in red. then Place cartridge into printer with both pieces of tape. (One covering the first contact and one cover the second contact.)
  5. Printer will print another alignment page. (Some newer models no longer print alignment pages. If printer runs through a series of priming routines and stops for 20 seconds continue through with next step.)
  6. Once the second alignment page has been printed remove cartridge from printer.
  7. Remove tape pieces from cartridge contacts Make sure there is no residual adhesive on cartridge contacts.
  8. Place cartridge into printer. Cartridge should now read full.

INK LEVEL RESET FOR HP Cartridges HP 22

  1. Remove cartridge from your printer.
  2. Place a piece of tape over the top left contact as shown in red on the picture to the right.
  3. With the tape covering the contact place cartridge back into printer.
  4. The printer will perform and alignment page. (Some newer models no longer print alignment pages. If printer runs through a series of priming routines and stops for 20 seconds continue through with next step)
  5. Once an alignment page has been printed remove cartridge from printer.
  6. Place a piece of tape over the second contact shown in red.
  7. Place cartridge into printer with both pieces of tape. (One covering the first contact and one cover the second contact.)
  8. Printer will print another alignment page. (Some newer models no longer print alignment pages. If printer runs through a series of priming routines and stops for 20 seconds continue through with next step.)
  9. Once the second alignment page has been printed remove cartridge from printer.
  10. Remove tape pieces from cartridge contacts
    Make sure there is no residual adhesive on cartridge contacts.
  11. Place cartridge into printer. Cartridge should now read full.

note: this methode can be used for HP Cartidges HP 27, HP, 28, HP 56, HP57, HP 58

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