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‎02-26-2020 10:10 AM - edited ‎02-26-2020 10:10 AM

HP Recommended
Product: M451nw

Hi! Any advice on how to check/trace signal path for MP feed Solenoid?

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3 REPLIES 3

‎02-26-2020 11:34 AM

HP Recommended

According to the service manual, the MP feed solenoid is connected to connector # J209 on driver PCA.

 

j209.jpg.png




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‎02-26-2020 12:01 PM

HP Recommended

Thank you for an informative reply. I do have the service manual and sort of know where SL1 connects. However, I need to trace signal path to check if signal is present that actuate the said solenoid. On my driver PCA the connector J209 has no output when a signal is expected. 

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‎02-26-2020 12:25 PM

HP Recommended

Driver PCA is very simple electronics, use a multimeter to isolate possible defect, starting from solenoid connector and heading to the connector to DC controller.  Tracing digital signal on the DC controller is way to complicated.




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