Waste toner cartridges and ink cartridges are waste electronic products. According to the "Waste Electrical and Electronic Products Recycling and Disposal Management Regulations", the state of waste electrical and electronic products to implement multi-channel recycling and centralized treatment system; the state encourages producers of electrical and electronic products or commissioned the seller, maintenance institutions, after-sales service institutions, waste electrical and electronic products recycling operators to recover waste electrical and electronic products.