Trigger more intensive nozzle cleaning than the standard driver allows.
Press the button 5 times (for most G-series) or 6 times (for some MG models). canon service tool v4718 verified
MG5510, MG5520, MG5540, MG5550, MG5610, MG5620, MG5650. IB-Series: iB4010, iB4020, iB4040, iB4050. How to Use Canon Service Tool V4718 Safely Trigger more intensive nozzle cleaning than the standard