Our Compatible HP Laser Toner Cartridges for your HP Color LaserJet Enterprise CM4540 MFP are designed to meet, or exceed your expectations of the Genuine HP, name-brand, product at a fraction of the price. The HP Color LaserJet Enterprise CM4540 MFP Toner Cartridges are designed to give you optimal print quality, for bold, vibrant, and lively looking projects and images. We carry the OEM / Genuine HP Laser Toner Cartridges, as well as our Compatible HP 647A, 646A, and HP 646X Series Laser Toner Cartridges. The Compatible HP Color LaserJet Enterprise Toner Cartridges were tested to ensure excellent printing results. Every Genuine and Compatible HP toner cartridge for your HP Color LaserJet Enterprise CM4540 Multifunction Printer has a 2 Year Shelf life and is backed with the Inkgrabber 90 Day Money Back Guarantee.