Use of professional holographic optical technology was proven by a sticker attached to the product. Typical laser printer toners simply have a counterfeit prevention sticker. This toner has introduced change by applying a special optical-based mold design technology. Detailed processing and design of nano patterns applied to plastic mold has resulted in hologram effects. Counterfeit hologram stickers can be easily made, and energy and materials are required to make and attach stickers. This product thus adopts an environment-friendly toner concept. Also, the beautiful light reflection of the SAMSUNG logo gives vitality to the printer toner.