HP 2540 A9U22A#B1H manual Ink cartridges on

Light behavior	Cause and Solution
One cartridge light is blinking.	Blinking cartridge light indicates that corresponding cartridge
	has a problem. Cartridge may be improperly installed,
	incompatible, or very low on ink.
	● If you see a message on your computer screen, refer to
	the message for more information about the problem.
	● If there is no message on your computer screen, try
	removing and reinserting the ink cartridge.
	● Confirm that you are using the correct HP ink cartridge
	for your printer.
	● If the print quality is poor, consider replacing the ink
	cartridge. For more information, see Replace ink
	cartridges on page 41.
The media error indicator and Attention light are blinking.	● There is no paper, or paper is not feeding.
	Load paper, then press any button, except Cancel, to
	resume printing. For more information, see Load media
	on page 24.
	● There is a paper jam.
	Clear a paper jam. Load paper, then press any button,
	except Cancel, to resume printing. For more information
	about how to clear a paper jam, see Clear paper jam
	on page 62.
Both cartridge lights are solid on.	Both cartridges are low on ink and will need to be replaced
	soon.
	● Continue to print using the remaining ink cartridges.
	Also, the quality of printed documents might be
	affected.
	● If the print quality is poor, consider replacing the ink
	cartridges. For more information, see Replace ink
	cartridges on page 41.
One cartridge light is solid on.	● One corresponding cartridge is low on ink and will need
	to be replaced soon.
	◦	Continue to print using the remaining ink cartridge.
		Also, the quality of printed documents might be
		affected.
	◦	If the print quality is poor, consider replacing the
		ink cartridge. For more information, see Replace
		ink cartridges on page 41.
	● One corresponding cartridge still has the tape on, is
	missing, or is counterfeit.
	◦	Install the ink cartridge, or remove the pink tape
		from the ink cartridge, or replace the defective ink

8 Chapter 2 Get to know the HP Deskjet 2540 series ENWW