HP LaserJet Pro 400 MFP M425 - User Guide

An error message displays on the control panel
The Communication error. message appears
●
Allow the product to retry sending the fax. Re-sending temporarily reduces the fax speed.
●
Unplug the product telephone cord from the wall, plug in a telephone, and try making a call. Plug the
product phone cord into a jack for another phone line.
●
Try a different phone cord.
●
From the control panel, change the Fax Speed option to the Medium(V.17) setting or Slow(V.29) setting.
a.
From the Home screen on the product control panel, touch the Setup
button.
b. Open the Fax Setup menu.
c. Open the Advanced Setup menu.
d. Open the Fax Speed menu.
e. Select the correct setting.
●
Turn off the Error Correction option.
a.
From the Home screen on the product control panel, touch the Setup
button.
b. Open the Service menu.
c. Open the Fax Service menu.
d. Open the Error Correction menu.
e. Select the Off setting.
NOTE: Turning off the Error Correction option can reduce image quality.
●
If the error persists, contact HP. See
www.hp.com/support/ljm425series or the support flyer that came
in the product box.
No dial tone.
●
Make sure that the telephone cord is plugged into the correct port on the product.
●
Make sure that the telephone cord from the product is plugged directly into the wall telephone jack.
●
Check for a dial tone on the phone line by using the Start Fax button.
●
Unplug the product telephone cord from the wall, plug in a telephone, and try making a voice call.
●
Unplug the telephone cord from both the product and the wall and replug the cord.
●
Make sure that you are using the telephone cord that came with the product.
●
Plug the product phone cord into a jack for another phone line.
●
Check the phone line by using the Run Fax Test option from the Service menu on the control panel.
ENWW Solve fax problems 109