Hp-41C card reader - dead
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05-12-2020, 03:38 PM
Post: #34
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RE: Hp-41C card reader - dead
(05-12-2020 02:27 PM)Vintage63 Wrote: All, the new Duracell batteries have arrived. Put them in the calculator but the card reader motor doesn't move. I can CATALOG 2 the reader but inserting a card doesn't trigger anything. The card reader microswitches may not be opening/closing properly or you may have lost a little white ball during some prior disassembly. You could go through the troubleshooting procedure in the service manual. Note, the manual says a service module is required so you'll probably need either a 41CL or Clonix module to emulate the service module. Dave |
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