for: clp-620/clp-670/clx-6220/clx-6250 series original 4,000-page samsung cyan toner cartridgees have been developed for use in your samsung printer to deliver quality print results. you get top performance, 100% reliability and impressive quality every time you print. specially optimized for unrivaled quality. samsung high yield original toner prints crystal clear details and vivid colors. even small 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. cyan laser printing technology page yield (color) 4,000 pages annotation on page yield declared yield value conforms to iso/iec 19798. operating environment, print interval, graphics, media type, and media size can affect actual page count. operational requirements operating temperature range 10 to 30 ? c operating temperature range 50-86 ? f storage temperature range -20 to 40 ? c storage temperature range -4 to 104 ? f storage humidity 10 to 90% rh