1. Empty Cartridges
Empty cartridges are a great factor that can cause Error B203. So, you should always keep filling the cartridges with ink. If your ink cartridges are empty, there is a chance to occur Error B203.
Check the cartridge from time to time, and before it runs out, fill the cartridge with ink to ensure your uninterrupted work on the printing machine.
2. Incorrect installation of Cartridges
If you fail to install the cartridge in a Canon printer correctly, Error B203 may occur. Hence, be careful in installing the cartridges in the device in their exact place.
3. Firmware Not Updated
If you want to avoid Error B203, you need to keep the firmware updated. If the firmware is not updated, you may frequently encounter this type of error while performing your task.
Regards,
Diana