Posted by Tommy on September 08, 1998 at 04:11:43:

>>This memo is from an unnamed computer company. It went to
>>all field engineers about a computer peripheral problem. The author
>>of this memo was quite serious. The engineers rolled on the floor.
>>Mouse balls are now available as FRU (Field Replacement Unit).
>>Therefore, if a mouse fails to operate or should it perform
>>erratically, it may need a ball replacement. Because of the delicate
>>nature of this procedure, replacement of mouse balls should only be
>>attempted by properly trained personnel.
>>Before proceeding, determine the type of mouse balls by examining
>>the underside of the mouse. Domestic balls will be larger and harder
>>than foreign balls. Ball removal procedures differ depending upon
>>the manufacturer of the mouse. Foreign balls can be replaced using
>>the pop-off method. Domestic balls are replaced by using the twist-off
>>method. Mouse balls are not usually static sensitive. However, excessive
>>handling can result in sudden discharge.
>>Upon completion of ball replacement, the mouse may be used
>>immediately. It is recommended that each replacer have a pair of
>>spare balls for maintaining optimum customer satisfaction. Any
>>customer missing his balls should suspect local personnel of
>>removing these necessary items."

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