So my enduser says: "We've had some squeaks lately. You come out and fix it, then it squeaks somewhere else."
"Yes."
"Why is that?"
"Well, there are a lot of small mechanical parts in a copier, and sometimes one of them rubs up against another, and it squeaks."
"How can we prevent that?"
"Prevent what?"
"Prevent squeaks."
"I don't think that you can. You wait until it squeaks, and then you address that squeak."
"We don't want it to squeak."
"I don't either. But there is no way to anticipate where the next squeak will be. You have to wait until it squeaks to find it." =^..^=
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