HP Customer Support - Knowledge Base







HP DeskJet GT 5810, 5820 Printers - 'Incompatible' or 'Ink Cartridges Missing' Error

This document is for HP DeskJet GT 5810, 5811, 5820, 5821, and 5822 All-in-One printers.
After you install the printheads, the printer did not prime and an Incompatible or Ink Cartridges Missing error message displays on the computer screen. On the printer control panel, one or both of the Printhead icons , the Error icon , and the Printhead Alert light blink.
If this error occurs with successfully primed printhead cartridges, and you have previously printed pages using the installed printhead, do not continue with the steps in this document or open the printhead latch. Opening the latch can cause permanent damage to the printheads. Skip to the step to Service the printer.

Step 1: Remove, inspect, and then reseat the printheads

The printer might display an error if the printheads are not correctly installed. Only remove the printhead indicated by the printhead icon on the printer control panel.
  1. Open the exterior door, and then open the printhead access door.
    Access the print carriage
  2. Gently push down on the blue carriage latch.
    The blue carriage latch opens.
    Open the carriage latch
  3. Lightly press down on the printhead to release it, and then pull the printhead out of its slot.
    Removing the printheads
  4. Make sure the plugs on top of the printhead have been removed.
    Pull the orange plugs
  5. Make sure the tape from the printhead contacts has been removed.
    Do not touch the copper-colored contacts or the ink nozzles. Do not replace the protective tape on the contacts. Handling these parts can result in clogs, ink failure, and bad electrical connections.
    Remove the tape
  6. Slide the printhead at a slight upward angle into the empty slot, and then gently push up on the printhead until it snaps into place.
    Insert the printheads
    • Insert the tri-color printhead into the left slot.
    • Insert the black printhead into the right slot.
  7. Close the blue carriage latch by pushing down firmly until the latch snaps into place.
    Close the latch
  8. Close the printhead access door.
  9. Close the exterior door.
    The priming process should continue.
If the error persists and the printer did not prime, continue to the next step.

Step 2: Reset the printer

Resetting the printer can sometimes resolve a printhead error.
  1. Turn the printer on, if it is not already on.
  2. Wait until the printer is idle and silent before you continue.
  3. With the printer turned on, disconnect the power cord from the rear of the printer.
  4. Unplug the power cord from the wall outlet.
  5. Wait at least 60 seconds.
  6. Plug the power cord back into the wall outlet.
    HP recommends connecting the printer power cord directly to the wall outlet.
  7. Reconnect the power cord to the rear of the printer.
  8. Turn on the printer, if it does not automatically turn on.
  9. Wait until the printer is idle and silent before you proceed.
If the error persists, continue to the next step.

Step 3: Contact support

Contact HP Support for your locale to obtin further assistance. Fees might apply for out-of-warranty products. To see if your product is still under warranty, go to the warranty check website http://www.support.hp.com/checkwarranty.






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