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ctsuhako
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CP3525dn Control Panel Dead

Hello:

 

I have a CP3525dn (out of warranty) whose Control Panel suddenly died. The unit powers up fine and the fans start and I can hear the printer running thru it's startup cycle, but the control panel remains blank. The product engine seems to be functioning properly as I can print a page by depressing the small button on the back of the unit. I as assuming that the Control Panel itself is the issue. Where and how can I find information on checking the Control Panel connections and/or replacng the Control Panel assembly? Thank you.

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CP3525dn Control Panel Dead

You need access to a Service Manual for the CP3525.  With the service manual you should be able to find screenshots and steps to help you open up and replace the entire control-panel assembly.


Normally only HP Certified techincians have access to those resources.  Check with your local repair shop to see if they can assist you.

 

Otherwise the internet may have what you are looking for if you know how to find it.  Checkout a site called feedroller.com (HP doesnt allow us to directly link Service Manuals anymore).   


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CP3525dn Control Panel Dead

Odds are the formatter has an issue. The best way to test is to connect the usb cable from the printer to a computer that did not have this printer connected. See if it says found new hardware and loads the printer. If it does not then the formatter is the issue. If it finds the printer and loads the driver, then you should be able to print to the unit. If you can then yes the control panel is the issue. Just about everyone I have seen in this series with this problem it has been the formatter.
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