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‎09-03-2020 03:09 PM - edited ‎09-03-2020 04:26 PM

HP Recommended
Product: Web JetAdmin
Operating System: Microsoft Windows 10 (64-bit)

All of my LaserJet M451 M402 M454 printers only display Device Communication Error no matter what troubleshooting step I try. 

I was using SR6 upgraded to SR8. Still getting error.

I added both services and the Launcher to the firewall inbound rule to be allowed. Still getting error.

Verified WS-Discovery is enabled on printers. Still getting error.

Removed Web JetAdmin and MS SQL and reinstalled. Still getting error.

 

Anyone got any other ideas?

3 REPLIES 3

‎09-03-2020 04:00 PM

HP Recommended

Any chance your 400 series products have an incorrect EWS password?

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‎09-03-2020 04:21 PM

HP Recommended

Sorry but the EWS password is not having an affect if it is in use or cleared. Still getting communication error with or without a password.

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‎09-03-2020 04:25 PM

HP Recommended

If this has relevance, our university enlisted a passive managed service for our printers recently Pacific Office Automation. Would they have implemented anything that may block Web JetAdmin?

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