MM Cyan Laser Toner - Lexmark 20K1400 - For Lexmark C 510. Page yield: 6600 pages, Print technology: Laser, Printing colours: Cyan. Operating temperature range (T-T): 10 - 32.5 °C, Operating relative humidity range: 20 - 80 %, Storage temperature range (T-T): -20 - 40 °C. Weight: 1020 g