The cartridge is underuntil the HP ink is depleted or the end ofdate has been reached, whichever occurs first. The printhead is underuntil the end ofdate has been reached, or warranted usage has been exceeded, whichever occurs first.standard statement: Each HP ink cartridge and printhead is warranted to be free from defects in materials and workmanship during the period of the warranty. This warranty pertains to any HP ink cartridge or printhead when used in its designated HP or authorized OEM printing device. Refer to your printing device manual for the proper printhead selection. The cartridge is under warranty until the HP ink is depleted or the end of warranty date has been reached, whichever occurs first. The printhead is under warranty until the end of warranty date has been reached, or warranted usage has been exceeded, whichever occurs first.