Lexmark Cartridge Collection Program Lexmark Cartridge Collection Program includes various methods of return and sponsors unique collection partnerships around the world. Collection programs are always free to the consumer and are designed to be easy to use. Country-specific instructions and shipping labels are available online. Empty cartridges may also be returned through participating Lexmark authorized supplies resellers. The Lexmark Cartridge Collection Program replaces Operation ReSource(SM) for the collection of spent Lexmark consumables. Over the past twelve years, Lexmark's focus on reducing resource consumption and waste has meant millions of laser cartridges have been recycled or otherwise reused.