The Lexmark Cartridge Collection Program is only for returning genuine Lexmark laser supplies.
Use a prepaid postage label to return your Lexmark cartridge.
Use the box and packing materials that your new cartridge came in to repackage your used Lexmark cartridge. Seal the box with packing tape.
Note: This Lexmark environmental program is only for returning used genuine Lexmark laser supplies. This program does not apply to any other OEM product or defective cartridges under warranty. Those should be returned to the place of original purchase.