After the powder, the counting chip is the most often changed component in the laser cartridge. The exchange of the chip guarantees correct work of the cartridge in the printer.
The waiting time for chips can be extended because they are imported from different parts of the world. Detailed information in Sales Department.
Comment - there is a chip on the cartridge
It will be problem with support of cartridge when the old OEM chip is not removed from the reservoir. Printer will send the message using LED diode or there will be announcement on the screen of monitor.
In same cases (depending from model of printer) printing with the cartridge, where the chip is not replaced will not be possible.