5.Verify that the telephone service supports analog fax.
NOTE: HP products are designed specifically for use with analog phone services.
●If using ISDN or digital PBX, contact your service provider for information about configuring to an analog fax line.
●If using a VoIP service, change the Fax Speed to Slow(V.29) from the control panel. Ask if your service provider supports fax and for the recommended fax modem speed. Some companies might require an adapter.
●If you are using a DSL service, make sure that a filter is included on the
6.If the error persists, find more detailed
The product is experiencing poor phone line quality.
●Retry sending the fax when the line conditions have improved.
●Check with the phone service provider that the line supports fax.
●Use white paper for the original. Do not use colors such as gray, yellow, or pink.
●Divide large fax jobs into smaller sections, and then fax them individually.
●Turn off the Error Correction setting:
1.From the Home screen on the product control panel, touch the Setup 
button.
2.Select Service, and then select Fax Service.
3.Select Error Correction, and then select Off.
NOTE: Turning off Error Correction can reduce image quality.
●Increase the Fax Speed setting:
1.From the Home screen on the product control panel, touch the Setup 
button.
2.Select Fax Setup, and then select Advanced Setup.
3.Select Fax Speed, and then select the correct setting.
●Change the fax settings on the control panel to a lower resolution:
NOTE: Higher resolution faxes can take longer to send than lower resolution faxes.
1.From the Home screen on the product control panel, touch the Setup 
button.
2.Select Fax Setup, and then select Advanced Setup.
3.Select Fax Resolution, and then select the correct setting.
ENWW | Solve fax problems 103 |