Save even more with our 4 pack compatible replacements for Dell 3100 high yield laser toner cartridges: This bulk set includes 1 each of black 310-5726 (K5362), cyan 310-5731 (K5364), magenta 310-5730 (K5363), and yellow 310-5729 (K5361) laser toner replacement cartridges. These compatible alternatives to the Dell cartridges are manufactured 100% brand new by a manufacturer that is not endorsed or associated with Dell and are guaranteed by LD Products.com to work with your Dell printer. Our compatible alternatives for OEM toner cartridges and supplies are manufactured to the highest performance and quality standards and will deliver optimal prints. Our compatible laser toners are an economical alternative to expensive OEM Dell laser toners, and offer big savings over brand-name laser toner cartridges and supplies. Since we directly import these compatible alternatives for the Dell OEM laser toners from an ISO-9001 certified factory, we can pass the savings on to you. The use of compatible replacement laser toner cartridges and supplies does not void your printers warranty. All of our replacement toner cartridges compatible with Dell laser printers contain a toner management computer chip system that works with Dell printers*, which helps the cartridge communicate more effectively with your computer.We offer a Two Year 100% Quality Satisfaction Guarantee on our alternative compatible replacement laser toner cartridges and supplies. So stock up now and save even more! This combo set works with the Dell Color Laser 3100 printer. LD Products is the exclusive reseller of LD Products brand of high quality printing supplies on Newegg.