for: clp-620/clp-670/clx-6220/clx-6250 seriessamsung original 2, 000-page yellow toner cartridgees have been developed for use in your samsung printer and deliver quality print results. you get top performance, 100% reliability and impressive quality every time you print.specially optimized for unrivaled qualitysamsung original toner prints prints with sharp detail and vivid colors. even tiny printed text is sharp and easy to read.trust only original samsung toner cartridgees.always use genuine samsung toners to avoid damage to the printer and other problems.yellowlaser printing technologypage yield (color) 2, 000 pagesannotation on page yieldthe yield value shown is iso/iec 19798. the operating environment, print interval, graphics, media type, and media size can affect the actual number of pages.operational requirementsoperating temperature range10 to 30? coperating temperature range50-86? fstorage temperature range20 to 40? cstorage temperature range4 to 104? fstorage humidity10 to 90% rh