How to fix the lens of Canon camera if it doesn't stretch?

Canon camera lens can't be telescopic. You can try to disassemble the lens group and reassemble it. The reason why the lens of Canon camera can't be telescopic is that the zoom gear in the lens is misplaced or stuck by a foreign object. The lens motor drives the flat cable to loosen or fall off, or the electronic part fails. First, observe whether the camera moves slightly or does not move at all when it is turned on and off. Canon: Canon's career in China began in 1970s. From the initial technical cooperation to the establishment of a wholly-owned factory to the establishment of a sales company, it has experienced various business models. 1in March, 1997, Canon (China) Co., Ltd. was established, which was fully responsible for the sales of Canon in China market. After years of efforts, 13 branch companies, exhibition halls, quick repair centers and quick service stations, including three regional headquarters in North China, East China and South China, have been basically established, forming a nationwide sales and service network. At present, the business scope covers imaging system products, office products, industrial equipment, intelligent IT solutions and other fields, and constantly expands new businesses that meet the needs of consumers in China. Canon (China) is deeply rooted in the China market and is committed to becoming an enterprise trusted and respected by the people of China.