I tried this fix and it worked,i think it had something to do with the speed (dailer) of which my printer was set at (medium) , i switched it to slow and it worked (4260 all in one)
+Fitzhugh Goode If your printer is a fax model and you are experiencing fax issues, several possible fixes are available. Try the following actions to resolve the issue. After each recommended action, retry faxing to see if the problem is resolved: bit.ly/34Ybbox
+Chris Nicolaou Use the information in this document to troubleshoot issues with sending and receiving faxes and for common fax error messages that might display on the printer control panel: bit.ly/3gKsaOB
+gracie9501 From the Home screen on the printer control panel, swipe the tab at the top of the screen downward to open the Dashboard, and then touch the Setup icon . Scroll to and touch Fax Setup, and then touch Preferences. Scroll to Auto Answer, and then touch the toggle to disable the setting.