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Message 1 of 11
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Office Jet Pro 8730 keeps dropping network connection

HP Recommended
OfficeJet Pro 8730
Microsoft Windows 7 (32-bit)

My networked 8730 keeps losing the connection - despite being wired ethernet.

I've turned off all the power save features I can find but still no joy

Print & Scan Doctor which is supposed to fix things like this is a completely useles POS.

The only thing that works is power cycling either printer or computer.

 

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HP Support Agent
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Message 2 of 11
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@PpPete,

 

Thanks for reaching out to the HP Support community!

  • What is the make/model of the Modem/router from which the Ethernet is connected to the printer?
  • Do you face any connectivity issues with the other devices?
  • Is the printer going to sleep mode or not responding?
  • Do you get any messages like printer offline on the Windows PC?

Let's try to update the 'Printer Firmware'

  • From the printer control panel. touch the Set Up icon.
  • Go To > Printer Maintenance > Update the Printer > Check for Printer Updates
  • Check if the update fixes the issue.

 

Also please print the network 'Network Configuration Page' and share the results here.

  • From the printer control panel. touch the Set Up icon.
  • Go to Network Setup > Print Reports > Network Configuration Page

 

Let me know if this helps. 

 

Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.

Click the “KudosThumbs Up" on the bottom right to say “Thanks” for helping.

ATHARVA_GP
I am an HP Employee

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Message 3 of 11
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I have the same issue with Virgin Media Hub 3.0 cable modem as I did with a Linksys router on a copper connection.

No connectivity issues with any other device

Printer is on and responds to commands like copy, scan to USB

Windows reports printer offline

 

Printer updates all  done & confirmed by message on control panel

 

Network Configuration Page is at https://www.dropbox.com/s/8c7txygvz17xrgz/networkConfig.pdf?dl=0

 

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HP Support Agent
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Message 4 of 11
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@PpPete,

  • Do you have any security software or firewall installed on the PC?

Please try these steps:

  • On the printer control panel go to 'Set Up' > 'Reports' > 'Network Configuration Page'
  • Obtain the IP address of the printer
  • Open any web browser like Google Chrome, Firefox or any other browser.
  • Type the printer IP address into the Internet browser address line, and then press Enter to open the printer EWS.

           

  • If a website security certificate displays, click Continue to access the EWS page.
  • Go to the 'Tools' menu and print a self-test page.
  • Check if it prints.

Let me know what happens.

ATHARVA_GP
I am an HP Employee

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Message 5 of 11
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Printer test page is printed OK from EWS.   However if I try to print a word document immediately after, Windows reports that the printer is offline (see screenshot at https://www.dropbox.com/s/k3vuaqiuugbvuyy/screenshot.jpg?dl=0

 

I have Kaspersky Internet Security installed on PC - but even if I disable it printing still fails - until such time as I switch printer off and on again.

 

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HP Support Agent
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@PpPete,

 

I think the firewall/Kaspersky may be blocking the printer.

 

 

Let's try these steps:

  • Open Kaspersky Internet Security 

       

 

  • Click on Settings 
  • Click on Additional on the left 
  • Click on Network on the right 

        

  

  •  Click on Select... to the right of "Monitor selected ports only" 

         

  

  • Click on the Add button. 
  • Type the description Network Printer Port. 
  • Change the Port to 9100. 
  • Click the Add button below. 

          

  

  •  On the previous window titled 'Network ports', scroll to the bottom of the list to find the Networked Printer Port. 
  • Right-click on 'Network Printer Port' and choose Disable. 

          

  • Close the 'Network ports' window. 
  • Click the Back arrow in the upper left twice to return to the main window 

 Let me know if this works.

ATHARVA_GP
I am an HP Employee

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@PpPete,

 

I did not hear back from you yet. Please let me know whether your issue has been resolved or if you need any additional help.

Cheers!

ATHARVA_GP
I am an HP Employee

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Sorry - I was away from home.

But no - sorry that did not work.

 

The only thing that works is to switch the printer off and then on again ... but come back a few hours later and it's dropped the connection AGAIN.

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HP Support Agent
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Message 9 of 11
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@PpPete,

 

Let's try these steps:

 

Step 1: Add the printer using TCP/IP address

  • Obtain the IP address of your printer.
    • Go to Set Up menu > Network Set Up > Ethernet Settings > View Ethernet details
  • On your PC, Go to 'Control Panel'> 'Hardware and Sound' > 'Devices and Printers'
  • Right click on the printer and select 'Remove Device' to remove previously configured printers.
  • Click on add a printer.

            

  • Select "the printer I want isn't listed.

             

  • Select "add a printer using TCP/IP address or hostname"

            

  • Enter the IP address of the printer

             

  • Select your printer model from the menu

           

  • Click 'Next'
  • Follow the On-Screen instructions and complete the installation.
  • Try to print.

 

Also, try disabling the IPv6 feature from the printer​​​​​​​

  • ​​​​​​​Go to Set Up menu > Network Set Up > Ethernet Settings > Advanced settings > IPv6 > Off

 

 

Let me know if this helps.

ATHARVA_GP
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Message 10 of 11
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Incredible !   The test page printed ok - but nothing else works.  Now I cannot print anything even if I switch the printer off and on again.  

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