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

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The Communication error message appears

Allow the product to retry sending the fax. Re-sending temporarily reduces the fax speed.

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

wall, and try making a call. Connect the product phone cord to 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.

ENWW

Solve fax problems

205

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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/ljmfpM521series

or the support flyer

that came in the product box.