To keep you working without interruption, we've added intelligence to the cartridge that enables alerts when supplies are low and facilitates convenient supplies reordering through HP SureSupply[1]. We've also advanced our monochrome toner formula to Total Price Print technology Laser Cartridge colors Black Compatible hardware HP LaserJet P1505/P1505n Printer Operating temperature (Fahrenheit) 50 to 90.5 ° F