![background image](https://i.printerdoc.net/HP LaserJet Pro MFP M521 series/en/HP LaserJet Pro MFP M521 series_en208.png)
Check the send-fax resolution setting
If the product was unable to send a fax because the receiving fax machine did not answer or was busy,
the product attempts to redial based on the redial-on-busy, redial-on-no-answer, and redial-on-
communication-error options.
1.
From the Home screen on the product control panel, touch the Setup button.
2.
Touch the
Fax Setup
menu.
3.
Touch the
Advanced Setup
menu.
4.
Open the
Fax Resolution
menu.
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Chapter 9 Solve problems
ENWW