U.S. returns
For a more environmentally responsible return of used cartridges and supplies, HP
encourages the use of bulk returns. Simply bundle two or more cartridges together and use
the single, pre-paid, pre-addressed UPS label that is supplied in the package. For more
information in the U.S., call (1) (800) (340-2445) or visit the HP LaserJet Supplies website at
http://www.hp.com/recycle
.