Photoconductor contains one each of the Cyan, Magenta and Yellow Photo Developer. They deliver professional color and superior results in your Lexmark C910 Series, C912 Series and C920 Series. Superior Lexmark design means precision pairing between printer and cartridge for value, quality and environmental responsibility you can count on. Each photoconductor yields approximately 28,000 pages. Actual number of pages will vary depending on individual customer usage.