Black toner provides excellent value and generates quality print results every time.nnsecurity labeln- All SAMSUNG supplies carry a colour changing security label to prove they are original products.n1. When the label is tilted, the colour changes from clear to cyan.n2. The embossed characters change colour between red gold and blue when viewed from different angles.n3. Verification of the embossed character is possible by feeling the texture.nngenuine qualityn- Original supplies enable consistent printing without reliability problems. SAMSUNG original supplies guarantee high quality pages without quality defects.nnstandardize cartridgen- SAMSUNG implements ISO standard.nIt is a trusted test method for determining the page yield of toner cartridges for mono laser printers.nSAMSUNG has tested all current laserjet cartridges in accordance with the ISO/IEC 19752 standard, giving customers more confidence and reliability when basing purchase decisions on toner yields.nneasy toner changen- SAMSUNG printer cartridges are easy to change by following 3 steps.n1. Open the front cabinet.n2. Change cartridges.n3. Close cabinet.