Print more affordablyOriginal HP LaserJet dual packs offer a better value than individual cartridges. Print more affordablyOriginal HP LaserJet dual packs offer a better value than individual cartridges. Produce more pages for a lower price with two cartridges packaged for high-volume printing. Produce more pages for a lower price with two cartridges packaged for high-volume printing. Save on shipping and handling with only one product to order. Save on shipping and handling with only one product to order. Make a professional impression with crisp black-and-white documents. Make a professional impression with crisp black-and-white documents. Count on consistent resultspage after page and cartridge after cartridge. Count on consistent resultspage after page and cartridge after cartridge. Get free and easy recyclingcartridges returned through HP Planet Partners are recycled responsibly.[1].Get free and easy recyclingcartridges returned through HP Planet Partners are recycled responsibly.[1].Decrease shopping trips by choosing Original HP LaserJet dual packs instead of individual cartridges. Decrease shopping trips by choosing Original HP LaserJet dual packs instead of individual cartridges. Stay up and runningkeep an extra toner cartridge on hand for important print jobs. Stay up and runningkeep an extra toner cartridge on hand for important print jobs. Install effortlesslyintuitive design makes replacing Original HP toner cartridges quick and easy. Install effortlesslyintuitive design makes replacing Original HP toner cartridges quick and easy. HP 78A 2-pack Black Original LaserJet Toner Cartridges|CE278AD