In order to clean perfectly the scrollball, you can hold the mouse upside down, and roll very quickly the scrollball on a white A4 papersheet (As if you wanted to colour the papersheet with the scrollball). Normally, you'll see some grey stripe of dust on the paper sheet!
In order to clean perfectly the scrollball, you can hold the mouse upside down, and roll very quickly the scrollball on a white A4 papersheet (As if you wanted to colour the papersheet with the scrollball). Normally, you'll see some grey stripe of dust on the paper sheet!