First of all, if you are experiencing a problem with the Canon printer then you do not have to worry as these errors can be fixed quickly in just a few minutes. Canon Printer Error E03 First of all, you need to know why this error occurs. Usually, this error occurs when the printer is not covered properly while you have printed any document. Another reason, for experiencing this problem is the paper is stuck in the printer or there is any paper jam.
However, even if everything is fine and the Canon Printer Error E03 can occur. Sometimes in different Canon printer model the same error E03 may show up as 1203 or 1300. However, the solutions to resolve the problem are the same.