HP LaserJet Pro 400 color MFP M475 - Communication error.

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Communication error.


A fax communication error occurred between the product and the sender or receiver.

Recommended action

Allow the product to retry sending the fax. 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.

Set the

Fax Speed

option to the

Slow (V.29)

setting or disable the

Fast (V.34)


Turn off the

Error Correction

feature to prevent automatic error correction.


Turning off the

Error Correction

feature can reduce image quality.

Print the

Fax Activity Log

report from the control panel to determine if the error occurs with a specific

fax number.

If the error persists, contact HP. See





or the support flyer that came in the product box.