SAMSUNG Colour Laser print cartridge offers great printquality and reliable performance for an affordable,professional quality colour printing, it also has a newadvanced toner, ease-for-use features and smarttechnology. This high-yield toner offers an effective solution for users with lower print volume requirements. automatic toner monitoring system – Notifies customers when the toner is low or out, giving them worry-free control over printing. original quality – Original supplies enable consistent printing without reliability problems. SAMSUNG original supplies guarantee high quality pages without quality defects. security label All 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. easy toner change SAMSUNG printer cartridges are easy to change by following 3 steps. Customers can change toner conveniently without special know how. 1. Open the front cabinet. 2. Change cartridges. 3. Close cabinet.