The Museum of HP Calculators

HP Forum Archive 08

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HP 67 Card Reader
Message #1 Posted by Steven Faison on 26 July 2002, 3:33 p.m.

I have an HP 67 calculator which has developed a gummy wheel which causes the card reader not to work.

Joe Rigdon who helped repair some battery chargers a couple of years ago for me apparently cannot be contacted at his last e-mail address. I've contacted the two companies listed in A Guide to HP Handheld Calculators and Computers and neither repair the HP 67 any longer.

Does anyone know who repairs HP 67 calculators presently?

Re: HP 67 Card Reader
Message #2 Posted by Karl-Ludwig Butte on 30 July 2002, 6:37 a.m.,
in response to message #1 by Steven Faison

Hi Steven,

there's an excellent description on how to repair a 67-card reader under With that you can try it yourself if you have some watchmaker tools and a quiet hand. I have already repaird 4 65 /67 card readers successfully and would also offer it to you to repair yours. If you're interested or have any questions please contact me via


K.-L. Butte

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