HP LaserJet Pro MFP M521 series - The Communication error message appears

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The Communication error message appears

Ask the sender to send the fax again or send at a later time when line conditions have improved.

Disconnect the product telephone cord from the wall, connect a telephone to the phone jack on the

wall, 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)

or

Medium(V.17)

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

feature to prevent automatic error correction.

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Chapter 9 Solve problems

ENWW

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NOTE:

Turning off the

Error Correction

feature can reduce image quality.

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.

Print the

Fax Activity Log

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

specific fax number.

a. Touch the

Fax

button, and then touch the

Fax Menu

button.

b. Open the

Fax Reports

menu.

c.

Open the

Fax Activity Log

menu.

d. Select the

Print Log Now

option.

If the error persists, contact HP. See

www.hp.com/support/ljmfpM521series

or the support flyer

that came in the product box.