HP LaserJet Pro MFP M521 series - Unable to use speed dials

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Unable to use speed dials

Make sure that the fax number is valid.

If an outside line requires a prefix, turn on the

Dial Prefix

option or include the prefix in the speed

dial number.

a. From the Home screen on the product control panel, touch the Setup button.

b. Open the

Fax Setup

menu.

c.

Open the

Basic Setup

menu.

d. Open the

Dial Prefix

menu.

e. Select the

On

setting.