The cartridge chip is a control component on the cartridge. Its role is very simple, to receive information (rather than collect information), store information, feedback information, and based on this information to control the printer.
In the program of the chip, the toner cartridge is a barrel of water that is consumed, and there is no possibility of it being filled again, and it is a fish under the water, and the water is dry, and the fish is dead.
The chip is used to record the number of prints, which is a means of the manufacturer to control that you can only buy its original consumables, of course, there are cracked chips, and the use of cracked chips can also add powder