The Museum of HP Calculators
HP Forum Archive 13
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Message #1 Posted by Karel Marchena on 14 Oct 2003, 9:01 a.m.
I repaired the cardreader with fuel line and it runs o.k. but gives a card error massage each time after reading the magnetic card. I resized the register to 026 so this is o.k. too, but still gives the error massage.
I realised that I switched the black electrical wire with the orange wire. Maybe I damaged the cardreader doing so?. After having this problem I switched it back. The cardreader still gives the error masage. Maybe I need to buy a new cardreader? Is there anyone who has a cardreader?Please advise.
|Re: HP41CV cardreader|
Message #2 Posted by David Smith on 14 Oct 2003, 12:40 p.m.,
in response to message #1 by Karel Marchena
Switching the head wires should not damage the reader. Make sure that the black and red motor wires are routed as far from the head as possible.
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