Replacing an Ink Cartridge
When the red H ink light flashes, one or more ink cartridges are low on ink.
When the red H ink light stays on, you need to replace one or more cartridges.
Ink button and light
You’ll also see a message on your screen when you print telling you which cartridge is low or expended.
When a cartridge is more than six months old, you may need to replace it if printouts don’t look their best. If the quality doesn’t improve after cleaning and aligning the print head, you can replace the cartridge even if the red H ink light is off.
Checking the Ink Status
To check the ink status, do one of the following:
■Windows:
the 
printer icon on your taskbar (in the lower right corner of your screen). You see a window like this one:
Note:
To see the part numbers for the ink cartridges currently installed in your printer, click Information.
Click here to display information about your cartridges
46Maintaining Your Printer