SAMSUNG colour laser print cartridge offers great print quality and reliable performance for affordable, professional quality colour printing, it also has new advanced toner, ease-for-use features and smart technology. And high-capacity toner decreases cost per print and increases uptime.automatic toner monitoring system- Notifies customers when the toner is low or out, giving them worry-free control over printing.security labelAll SAMSUNG supplies carry a colour changing security label to prove they are original products.1. When the label is tilted, the colour changes from clear to cyan.2. The embossed characters change colour between red gold and blue when viewed from different angles.3. Verification of the embossed character is possible by feeling the texture.genuine quality- Original supplies enable consistent printing without reliability problems. SAMSUNG original supplies guarantee high quality pages without quality defects.easy toner changeSAMSUNG printer cartridges are easy to change by following 3 steps.1. Open the front cabinet.2. Change cartridges.3. Close cabinet.