NEC PowerMate eco, Service And Reference Manual

Page: 77 / 110

Preventive Maintenance 6-3
Do not wet or dampen the keyboard’s printed circuit board. If the board accidentally
gets wet, thoroughly dry it before reassembling and reattaching the keyboard to the
system unit.
Mouse Cleaning
The mouse has a self-cleaning mechanism that prevents a buildup of dust or lint around the
mouse ball and tracking mechanism under normal conditions. Periodically, however, the mouse
ball must be cleaned. Clean the mouse as follows.
Note
The following procedure describes cleaning of a typical mouse and should be used only
as a guideline. The procedure might differ, depending on the type of mouse being cleaned.
1. Power off the system and unplug the AC adapter power cable from its power source.
2. Unplug the mouse from the system.
3. Turn the mouse upside down and locate the ball cover.
4.
Turn the ball cover counterclockwise and remove the cover.
Removing a Typical Mouse Ball Cover
A – Mouse Ball Cover
5. Turn the mouse over and remove the ball.
6.
Clean the mouse as follows:
Clean the mouse ball with tap water and a mild detergent, then dry it with a lint-free
cloth.
Remove any dust and lint from the mouse socket.
7.
Replace the mouse ball in its socket, replace the ball cover, and turn the cover clockwise
until it locks in place.
8.
Connect the mouse to the mouse port.
9. Plug in the AC power adapter cable and press the power/sleep button.