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HP-19C Printer
03-13-2022, 04:43 PM
Post: #5
RE: HP-19C Printer
Very interesting Tony,

I do not think I can offer any more help other than checking for voltages on the connector pins between the boards that I am sure you have already done. If you could have access to a working HP-19C, you could of course test the upper part of the calculator (logic board, keyboard, display) in a known good PSU/printer board to quickly find out in which part the malfunctions lies. That is of course not easy since it is a relatively rare calculator.

best regards
Jonas
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Messages In This Thread
HP-19C Printer - teenix - 03-12-2022, 04:15 AM
RE: HP-19C Printer - Jonas Sandstedt - 03-12-2022, 11:10 AM
RE: HP-19C Printer - teenix - 03-12-2022, 01:11 PM
RE: HP-19C Printer - teenix - 03-12-2022, 11:29 PM
RE: HP-19C Printer - Jonas Sandstedt - 03-13-2022 04:43 PM
RE: HP-19C Printer - jjohnson873 - 03-14-2022, 12:43 AM
RE: HP-19C Printer - rprosperi - 03-14-2022, 01:59 AM
RE: HP-19C Printer - Jonas Sandstedt - 03-14-2022, 12:12 PM
RE: HP-19C Printer - teenix - 03-15-2022, 04:34 AM
RE: HP-19C Printer - Jonas Sandstedt - 03-15-2022, 07:42 AM
RE: HP-19C Printer - teenix - 03-15-2022, 09:45 AM
RE: HP-19C Printer - teenix - 03-15-2022, 11:24 AM
RE: HP-19C Printer - Jonas Sandstedt - 03-15-2022, 12:30 PM
RE: HP-19C Printer - teenix - 03-15-2022, 02:04 PM
RE: HP-19C Printer - Jonas Sandstedt - 03-15-2022, 02:57 PM
RE: HP-19C Printer - AndiGer - 03-15-2022, 04:05 PM
RE: HP-19C Printer - teenix - 03-16-2022, 01:54 AM
RE: HP-19C Printer - teenix - 03-16-2022, 02:03 AM
RE: HP-19C Printer - tangdfx - 03-16-2022, 06:50 AM
RE: HP-19C Printer - teenix - 03-16-2022, 06:53 AM
RE: HP-19C Printer - AndiGer - 03-16-2022, 08:42 AM



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