This memo is from an unnamed computer company. It went to all field
engineers about a computer peripheral problem. The author of the memo
was quite serious. The engineers rolled on the floor.
MEMORANDUM:
Mouse balls are now available as FRU (Field Replacement Units).
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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