Juror22 said:

I agree with technight - if you have been lucky enough to catch the caps before they leak on one of these machines, the time to replace them is now, before they leak (they will - that is a certainty for 25 year old caps) and harm the boards.

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What he said. It’s pretty much a no-brainer. You WILL need to recap it at some point, most likely quite soon, and better to do so while it is still intact. I did this proactive maintenance for my Quadra 840av, and was astonished to find that several caps actually HAD leaked, damaging the pads underneath, without any outward sign of such being apparent before the caps were pulled.