Apple 8500 Series, 8500/150 Series appendix Rotate the rollers to clean all around them

2Turn the mouse upside-down and turn the plastic ring on the bottom counterclockwise to disengage it.

On some mouse devices, you may need to press the plastic ring (rather than turn it) to disengage it.

If the mouse is locked, see the next section, “Locking and Unlocking the

Mouse,” for instructions on how to unlock it.

3Turn the mouse right-side up with one hand and catch the ring and the ball with your other hand.

4Clean the three small rollers inside the mouse with a cotton swab moistened with water.

Rotate the rollers to clean all around them.

5Wipe the mouse ball with a clean, soft, dry, and lint-free cloth.

6If necessary, wash the mouse ball with warm soapy water (use a mild soap such as a dishwashing liquid) and then dry the mouse ball thoroughly.

7Gently blow into the mouse case to remove any dust that has collected there.

142 Appendix A