The cartridge chip and the toner cartridge chip are almost the same thing, all evil manufacturers, to prevent users from using substitute ink and substitute powder, that is, to enable the machine to identify whether the user is using the consumables specified by the manufacturer, forcing users to spend a lot of money to buy their high-priced consumables. Of course, there are also cracked successful, so it is not necessarily the substitute ink or powder can not be used. The counter is different from the chip, the counter is some like the number of miles run on the car display, indicating the number or quantity of sheets printed by the machine.