We click on the password in the main interface:
Then enter the advanced password, each day the advanced password is different, after the input is complete, and then return to the main interface.
Then we click Tool:
Then, click Service:
Then click MI Engineer:
Then, click Factory Settings:
Our current model is MB175 ink:
If we want to change the solvent we have to change the ink, because the ink and solvent are one-to-one correspondence, MB175 corresponds to A188.
We now choose FB660:
FB660, its corresponding model is A661.
Then, after selecting it, we click NEXT:
Click yes：
Then we click the key in the middle:
Then,power off the machine and restart.
Then we click on one of the keys:
Then the models have now become the A661 and FB660:
The changed ink model and the solvent model correspond one-to-one, and it will automatically come out.
