As ink ages, it loses water. When ink is old enough, it can damage the printheads or other parts of the printing system. In normal use, most cartridges will run out of ink long before the ink is old enough to cause damage. However, to prevent any possibility of damage, HP printers that use the cartridges listed above are designed to stop printing with the cartridges before the ink gets too old. See “Expiration date
zExpiration has nothing to do with the product warranty. For information about the warranty on your ink cartridge, see http://www.hp.com/support/inkjet_warranty.
zExpiration prevents damage from old ink. When ink cartridges expire, they stop working and must be replaced.
How do you return a product?There are two ways to return a product under warranty:
zVisit the retailer where you bought the product (subject to the retailer's return policy)
zIf you cannot return the product to the retailer, call the support phone number listed on the product insert that came in the box with the product
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