The Museum of HP Calculators

HP Forum Archive 02

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Re: HP67 card reader problems
Message #1 Posted by Erik Wahlin on 10 Dec 1999, 3:37 p.m.

Make sure that you have a fully charged battery in the calculator, or the card reader will not work. i.e won't work with just the AC adapter. I discovered this after taking the whole thing apart, and not finding anything obviously wrong with it.

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