1, which may be the reason why there is no ink.
Solution: Because Canon printer can only recognize the original ink capacity, if this is the case, the printed font color may be lighter, and it can be solved by adding some ink.
2. It may be the reason why the nozzle is blocked for too long.
Solution: In this case, you can continue to use the printer after deep cleaning.
This may be the cause of the paper jam.
Solution: In this case, you can take out all the printing paper and put it in the printer after typing.