Hi leandro,
The unit may just need to be reset in order to resolve this issue. Please unplug the power to the unit for a few minutes then plug it back in and power back on the machine. Additionally, try plugging the unit directly into the wall outlet as opposed to a surge protector or power strip.
If you continue to have difficulties, please contact our support group using the following link:
http://Canon.us/ContactLI
Did this answer your question? Please click the Accept as Solution button so that others may find the answer as well.
