SuperInk Compatible Toner Cartridge Replacement for Q5945A 45A Work in Laserjet 4345,4345mfp,4345x MFP,4345xm MFP,4345xs MFP,M4345 MFP,M4345x MFP Printer (Black,1 Pack) SuperInk Alternative Replacement for Q5945A 45A High Yield Toner Cartridge Expected lifetime yield of 18,000 pages. Approx. cartridge yield in accordance with ISO/IEC 19752 (Based on 5% coverage) (Color: Black) Guarantee: One-Year Warranty/Shelf Time: 18M Our toner cartridge bare two exceptional ISO certifications: ISO 9001 for quality assurance and ISO 14001 for environmental assurance Compatibility:LaserJet 4345,LaserJet 4345mfp,LaserJet 4345x mfp,LaserJet 4345xm MFP,LaserJet 4345xs MFP,LaserJet M4345 MFP,LaserJet M4345x MFP,LaserJet M4345xm MFP,LaserJet M4345xs MFP