The CET Group receives “Intention to Grant” letters from the European Patent Office

Beijing, China, May 3, 2022 – CET Group has received an Intention to Grant letter from the European Patent Office for the design of its new toner cartridges for use in Canon GPR 50 series devices, including GPR-51, 52, 53, 55, 57, 58, NPG-65, 66, 67, 71, 73, 76, 84 and C-EXV-47, 48, 49, 51, 53, 54, 55, 59 applications.

CET’s newly designed and in-house manufactured toner cartridges greatly improve the toner exit speed to ensure sufficient toner output during use. The new cartridge designs also offer production efficiency and ease of installation. Since the toner is filled at the back of the bottle, the new cartridges can be refilled repeatedly for more environmentally friendly use. The CET toner cartridges are equipped with new, updated chips that work in both older and newer machine models.

According to Mr. Harry Geng, CET’s Chief Designer, “The new cartridge design uses a novel toner exhaust structure that is simpler in design and less expensive to manufacture, while offering improved toner exhaust speed and excellent performance.” European Patent Office and looks forward to expanding its relationships with Canon customers around the world.

About the CET Group – The CET Group is a leading manufacturer of compatible toners, toner cartridges, drum units, fuser units and parts for the office imaging industry. The company sells its products through its own offices and authorized distributors in 193 markets worldwide and has been in business for over 25 years. For more information on CET’s product offering, visit

Source CET Group

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