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Suddenly can't scan. Error Code -9923

Laserjet Pro MFP M281
macOS 10.14 Mojave

Suddenly my HP Laserjet Pro MFP M281 won't scan. My Mac displays error code -9923 and says it can't communicate with my printer. But I can still print ... so, it is communicating....

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Suddenly can't scan. Error Code -9923



Welcome to the HP Support Community!

  • Try making a photocopy on the printer and check if that works.
  • Which application do you use to scan?

Updating the printer firmware and Disabling IPV6 may resolve this issue. Let us try these steps: 


Update the printer firmware

Click here to download and install the latest firmware from your MAC.

Click here to know different methods of updating printer firmware.


Disable IPV6

There are 2 Ways to disable the IPv6 on your printer.


1. Though the control panel of the printer.

  • From the Home screen on the printer control panel, touch the Setup button.
  • Scroll to and touch the Network Setup menu.
  • Search for IPv6 config method and disable the same.

2. Though Web browser.


  • Obtain the IP address of the printer – You can touch the “wireless” icon on the printer control panel to obtain the IP address.
  • Type the IP address at the top of your web browser to obtain the printer EWS page on your MAC.
  • If you get any security notification, click on show details and 'proceed to this website'.
  • Go to "Network" tab - General - Select "Network protocols" - Select "Enable IPv4 only" (or similar) - Apply the settings.
  • Restart your printer and the Computer. Try Scanning.

Refer to this document to know different ways to scan from a MAC.


Let me know how this goes.


If you feel my post solved your issue, please click “Accept as Solution”, it will help others find the solution. Click the “Kudos/Thumbs Up" on the bottom right to say “Thanks” for helping!

I am an HP Employee

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Suddenly can't scan. Error Code -9923

Thanks, disabled IPv6 using the control panel, works great again.

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