A low-quality tool will freeze on “Checking printer status.” A high-quality one will show you the exact D=000.0 (waste ink percentage) and reset in 3 seconds. It also won’t leave leftover processes running in Task Manager.

: Using an incompatible or modified Service Tool version can permanently corrupt your printer's firmware, rendering it completely useless. Safe Acquisition Best Practices

Close the software utility application. Press the physical Power button on your MG6230 to turn the machine off. Wait 10 seconds, then power the machine back on normally. Your error codes will be entirely cleared.