Targus Screen Scroller Mouse - Manual (Page 7)

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4 Turn the mouse over and rotate the mouse ball retainer
counter-clockwise until it’s loose.
Unlocking the mouse ball retainer
5 Remove the retainer and the mouse ball.
Removing the mouse ball
6 Clean the mouse ball and the two black rollers inside the
mouse using a lint-free cloth or cotton swab and rubbing
alcohol.
Cleaning the mouse