Reliable Performance. Compatible with original SAMSUNG laser supplies for reliable performance.Security Label. All SAMSUNG supplies carry a color changing security label to prove they are original products. 1. When the label is tilted, the color changes from clear to cyan. 2. The embossed characters change color between red, gold and blue when viewed from different angles. 3. Verification of the embossed character is possible by feeling the texture.Easy Installation. SAMSUNG drums are designed with the customer\'s convenience in mind. Each drum is easy to install and convenient to replace.