Photocopier toner cartridges can be refilled and recycled, but they pose health risks and fire hazards if not handled properly. To prevent smudging, follow the manufacturer’s instructions and keep printer components clean. Toner powder is made up of plastic and carbon black and is responsible for creating high-quality prints. Lichtenberg figures can be created with acrylic and photocopier toner, but caution and safety guidelines must be followed. Choose a reputable provider for toner cartridge refilling and recycling services.