Wrap the motherboard with wrapping film to prevent splashing

Then add cleaning solution, at least 500 milliliters

Then check if the cover of the buffer is screwed on. This is very important. If it’s not screwed on, it will spray everywhere

Then enter the cleaning cycle

You can see a thin white line on the nozzle, which is now the cleaning solution. He’s like flushing a nozzle, stopping and flushing

About three times