Twin Pack - Toner performance is optimised for Samsung printer. Ensures a uniform print quality. Easy to maintain and manage. Monitoring supplies technology notifies customers when toner is low or needs to be replaced.NO NOIS . Imagine a printer that operates quietly and allows you to concentrate on other important tasks while it prints. The NO-NOIS engine design means the toner is stored in a fixed cartridge mechanism, eliminating noise and vibration. It also simplifies toner changes - there are no heavy toners to change, just small, easy-to-access toner bottles.Unique toner design. Samsung printer cartridges are the smallest and lightest in their class, ideal for personal, small or home office users.Genuine quality. Enjoy consistent print results .With Samsung supplies you\'re virtually guaranteed high quality pages without any defects.Security label. Samsung supplies include a colour-changing security label that proves they are genuine products. When the label is tilted, the colour changes from clear to cyan. Plus, the embossed characters change between red gold and blue when seen from different angles. You can also verify its originality by feeling its texture.Easy-to-change toner. No mess. No fuss. Samsung printer cartridges are easy to replace so you can get back to work. Simply follow three easy steps: open the front cabinet, change the cartridge, and close the cabinet. That\'s all there is to it!Standardised cartridge. Each Samsung LaserJet cartridge has been tested to meet ISO (International Organisation for Standardisation) standards, which makes it easy to compare toner yields from different manufacturers. With Samsung toner cartridges, you can be confident that you\'re making an informed buying decision.Automatic toner monitoring system. Never get stuck on empty again. When toner is running low, the automatic toner monitoring system conveniently notifies you.