please try the below steps first
please take out the print cartridge
unplug the power cord
wait for 2-3 minutes
plug the power cord back in
turn the unit on and reinsert the cartridiges
check for functionality
if error repeats try the below
Turn off printer by pressing the power button
press the Resume button and press Power button.
Keep holding down Power button and release Resume button
Press Resume button 2 times then release BOTH buttons
Green lights will flash and then stop blinking.
When green lights are solid, press the Resume button 4 times.
Press the Power button and the printer should turn off, if not, press the Power button once more.
if still the error repeats, then the ink absorber will need to be replaced
ink absorber is a sponge pad that abosorbes excess ink and once full needs to be replaced to avoid the risk on ink spillage within the printer
turn off the unit....slide the cradle to one corner..now have a look..you will be able to see a sponge
if the unit is within warranty cover, please contact canon to get this sponge replaced.
else if the unit is out of warranty, please take out the sponge, clean it with water...let it dry for few hours...then insert it back in...else you can contact a local repair store a get a new sponge and insert that one in and this error should get fixed
let me know if you have any questions