Cleaning The Keyboard And Mouse; Cleaning The Floppy Disk Drive - NEC Express5800/340Hb-R N8800-047F User Manual

Cleaning the Keyboard and Mouse

IMPORTANT:
power off the server when connecting or disconnecting them.
Disconnect the keyboard from the server while the devices in the system (the server and the
peripheral devices) remain turned on. Wipe the keyboard surface with a dry cloth. Then connect the
keyboard to the server.
The mouse operation depends on the degree of smoothness of the internal ball rotation. To keep the
mouse ball clean, use the mouse in a place with little dust. Follow the steps below to clean the
mouse regularly:
1.
Disconnect the mouse from the USB hub on the keyboard while the server remains
powered on.
2.
Turn the mouse upside down, and rotate the mouse ball cover counterclockwise to remove
it. Take out the ball from the mouse.
3.
Wipe the mouse ball with a dry soft cloth.
If stains remain, use a soft cloth to wipe them off. Soak the soft cloth in neutral detergent
that is diluted with water or warm water, and squeeze it firmly,
4.
Wipe three small rollers inside the mouse with cotton swab.
Use the cotton swab soaked with alcohol if stains remain.
5.
Put the mouse ball back into the mouse.
If the mouse or rollers are wet in steps 3 and 4, put it back after fully dried.
6.
Place the mouse ball cover, and rotate it clockwise until it is locked.
7.
Connect the mouse to the server (the USB hub of the keyboard).

Cleaning the Floppy Disk Drive

A read/write error may occur due to stains on the read/write head of the floppy disk drive.
Use the cleaner dedicated for floppy disk drive to clean the read/write head. It is recommended to
clean the head on regular basis.
A keyboard and a mouse use USB interface. Therefore it is not necessary to
Bottom View
Mouse ball
Mouse ball cover
Roller
Maintenance 6-5