https://whats.all.this.brouhaha.com/2011/07/25/hp-41-card-reader-bug/ miscellaneous musings and random rantings Sat, 28 Nov 2015 09:12:01 +0000 hourly 1 http://wordpress.org/?v=3.9 https://whats.all.this.brouhaha.com/2011/07/25/hp-41-card-reader-bug/comment-page-1/#comment-29010 Mon, 26 Mar 2012 05:43:34 +0000 http://whats.all.this.brouhaha.com/?p=921#comment-29010 A standard problem with the HP card readers is that the rubber roller turns to goo. They can reportedly be replaced with commonly available O-rings or model airplane fuel line, though I haven’t tried either one myself. For example: card reader repair thread on hpmuseum.org forums

]]> https://whats.all.this.brouhaha.com/2011/07/25/hp-41-card-reader-bug/comment-page-1/#comment-29006 Mon, 26 Mar 2012 05:22:31 +0000 http://whats.all.this.brouhaha.com/?p=921#comment-29006 Just a used Card-reader, which when I put in my cards for a program I have, I got to card #6, and the card got “stuck” and my computer gave a reading of “LOW BAT”
I tried it again, and this time it stopped at card #3. same message. Tried one more time, and this time it did not accept card #1. When I did not activate USER’ the cards fed through!
Is there any information about this kind of problem?

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