What this means

Your printer cannot establish electronic communication with one or more installed ink cartridges. A not detected error rarely means the cartridge is broken or out of ink. Instead, the printer fails to read the data chip because something blocks the metal pathways between the hardware.

Check for protective tape left on a new cartridge. Oils from bare skin on the copper contacts prevent the connection. Over time, dried ink coats the spring pins inside the printer carriage, or a cartridge sits slightly misaligned and fails to make firm contact.

Common causes

  • Protective plastic tape still covering the electrical contacts
  • Ink residue or dirt on the cartridge copper contacts
  • Ink residue or dirt on the printer carriage spring contacts
  • Cartridge is not fully seated or clicked into place
  • Defective or damaged chip on a third-party or refilled cartridge
  • Temporary printer firmware glitch requiring a power reset
  • Incompatible cartridge version for the specific regional printer

What to check first

  1. 1Verify the cartridge model is correct for your HP printer
  2. 2Check if the error names a specific color or black cartridge

Step-by-step fix

  1. 1

    Check for protective tape

    Remove the cartridge and check the copper contacts for any clear plastic tape left over from packaging.

    Do not touch the ink nozzles or copper contacts with your bare fingers.

  2. 2

    Reseat the cartridge

    Open the access door, press down on the problem cartridge to release it, and push it firmly back in until it clicks.

    Do not force the cartridge into the slot if it resists.

  3. 3

    Clean the cartridge contacts

    Wipe the copper contacts gently with a lint-free cloth slightly dampened with distilled water.

    Ensure the cartridge is completely dry before reinserting it into the printer.

  4. 4

    Reset the printer power

    Unplug the power cord while the printer is turned on, wait 60 seconds, and plug it directly into a wall outlet.

    Avoid using surge protectors for this reset procedure.

  5. 5

    Clean the printer carriage contacts

    Unplug the printer, use a slightly damp cotton swab to clean the electrical pins inside the carriage, and let them dry for 10 minutes.

    Do not bend the delicate metal pins inside the carriage.

  6. 6

    Test with an older cartridge

    If you recently switched to third-party ink, try inserting an older genuine HP cartridge to see if the error clears.

    Handle used cartridges over a paper towel to avoid ink spills.

  7. 7

    Update printer firmware

    Check the printer menu or computer software to ensure the firmware is up to date, which can resolve recognition issues for newer cartridges.

    Do not interrupt power or network connectivity during a firmware update.

  8. 8

    Perform a hard reset

    With the printer powered on, disconnect the power cord and USB cable from the back, wait five minutes, reconnect power directly to the wall, and turn it on.

    Ensure no cables are loose when reconnecting.

When to contact a professional

You have tested multiple genuine HP cartridges, cleaned the carriage pins, and performed a hard reset. If the printer still rejects every cartridge, the carriage logic board has failed. If your machine is under warranty, contact HP before attempting major hardware replacements. Otherwise, you need to replace the printer or call support. Keep safety in mind. Do not touch power supplies or high voltage components. Always let cleaned contacts dry completely before powering on.