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HP-19C Printer
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03-15-2022, 04:34 AM
(This post was last modified: 03-15-2022 04:37 AM by teenix.)
Post: #9
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RE: HP-19C Printer
Thanks for the replies everyone.
Anyone know of a replacement PNP transistor for the motor drive. It appears to be open circuit. I imagine it will be a fairly sturdy device having to deal with PWM directly to the motor. It is marked as 7123-393, so I guess HP part 1853-0393 which is not listed in the Xref sheets. cheers Tony |
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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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