: Its primary use is resetting the "absorber" counter to 0% after a printer stops working due to being "full".
Turn off your printer completely (ensure the power LED is off), but leave it plugged into the wall and connected via USB to your PC. download canon service tool v 4718 resetter
MG2400, MG2500, MG2570, MG2900, MG2970, MG3000, MG3500, MG5500, MG5600, MG5700 IP-Series: iP2770, iP2870, iP7270, iP8770 IX-Series: iX6770, iX6870 E-Series: E400, E410, E460, E470, E510, E560 : Its primary use is resetting the "absorber"
: Clears the main and platen waste ink counter values back to zero. MG5700 IP-Series: iP2770