HP DeskJet GT 5820 Printer does not detect black printhead
Your HP printer might display an error message if the printheads are not seated properly. Discard the printhead that is indicated by the printer icon on its operation panel. Raise the exterior door and then open the printhead access door. Push the blue carriage latch gently. Press down on the printhead slightly and pull to remove it completely from the slot. Ensure that the plugs that are present on top of the printhead are removed. Check if all the tapes on the printhead contacts are discarded. Hold the printhead at a slightly upward angle and then place it into the empty slot. Push the printhead until it gets seated firmly. Place the tri-colored printhead into the left and the black printhead into the right slots respectively. Close the blue color latch until it snaps into place. Lower the printhead access door and the exterior door. If the error remains unresolved, try resetting your HP Deskjet GT 5820 printer. Find the Power button on the Deskjet GT 5820 printer a...