Home appliances are classified as solid waste, but they differ from other solid wastes such as construction waste and industrial waste. The material composition of used home appliances is complex and diverse, consisting of a variety of metals, precious metals, plastics, glass, organic glass, and various chemical materials. From a resource and environmental perspective, used […]

There are many types of printers, and the disassembly methods are also different. Here, we take a dot matrix printer as an example to introduce its disassembly process (1) Disassembly of the printer paper feed device ① Turn the printer power switch to the OFF position and disconnect all data cables and power cables connected