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‎04-22-2025 06:23 PM

HP Recommended
Product: HP LaserJet Pro MFP M148fdw
Operating System: macOS 10.15 Catalina

I have tried reinstalling software, firmware, reseting to factory defaults to no avail. Problem seemed to start with most recent update (Late 2024).

Reply
1 REPLY 1

‎04-23-2025 12:18 PM

HP Recommended

@Sam175, Welcome to the HP Support Community!  

  

Thanks for reaching out about your query regarding Fax Sending Issues on HP LaserJet Pro M148fdw! 

We're thrilled to have the opportunity to assist you and provide a solution.  

  

It seems you are experiencing fax transmission issues with your HP LaserJet Pro M148fdw. The error message "Device busy" indicates that the printer may be occupied with other tasks or encounters an issue with sending faxes. Here are some steps to troubleshoot and resolve this:

1. Check Line Connection

  • Make sure the telephone line is securely connected to the fax port on the printer.
  • Ensure that the line is not currently being used by any other device.

2. Review Fax Settings

  • Navigate to the fax settings on the printer's control panel and verify that the configuration settings are correct.
  • Ensure that the fax number is entered correctly and that there are no restrictions like a dialing prefix requirement that haven't been accounted for.

3. Network Settings

  • If your fax is routed through a network, ensure that there are no connectivity issues and your printer is successfully connected to your network.

4. Perform an Engine Test

  • Confirm other functionalities like printing to ensure the printer itself is not having broader issues that might affect faxing.

5. Re-check Software and Firmware Updates

  • Double-check if any subsequent updates have been released post the problematic update.
  • Re-verify the firmware version and ensure it matches the current recommended version by HP.

6. Error Log Review

  • If accessible, review the printer's error log for any related error messages that might provide further insight into the issue.  

 

Hope this helps! 

Take care, and have an amazing day!  

  

Did we resolve the issue? If yes, Please consider marking this post as "Accepted Solution" and click "Yes" to give us a helpful vote - your feedback keeps us going!  

  

Regards, 

ZOEY7886
I am an HP Employee

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