Save money when you purchase our compatible HP LaserJet 4100MFP toner cartridges while maintaining the same name-brand quality you are used to. These affordable toner cartridges will produce sharp printouts that easily match their name-brand counterpart. All of our toner cartridges for HP LaserJet 4100MFP printers are tested to ensure our customer receives a top-performing product with every order. We offer a comprehensive 1-Year warranty and 100% satisfaction guarantee on all products. In the unlikely event that you experience any product defect, we will replace the cartridge or provide you a refund.