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HP 21/22/27/28/56/57 Ink Level Reset

Tape cartridge’s rear contacts to restore ink level monitoring

  1. Tape over Blue contact point (see diagram below), install into printer, allow printer to print alignment/test page. Remove tape.

Resetting HP56 Ink Levels

  1. Tape over Red contact point, install into printer, allow printer to print alignment/test page. Remove tape.
  2.  Tape over both Green contact points, install into printer, allow printer to print alignment/test page. Remove tape.
  3.  Printer should return to normal operation.

 

 

Ink Refilling & Cartridge Care Tips – Everything you need to know:

 

HP Cartridge “Low Ink” Warnings Explained:

 

How an Integrated Ink Cartridge Works: 


 

Advanced Diagnostics:

To view advanced diagnostics tests for your HP printer, click here:

 

 

 

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