Canon i-SENSYS MF729Cx Important Safety Instructions And Installation Manual page 156

<Menu> <Fax Settings>
Printing/Resending/Deleting Documents Stored in Memory
1
Press .
2
Tap <Fax Forwarding Errors>.
3
Select the document you want to check.
To print the checked document
1
Tap <Print/Forward>.
2
Tap <Print>.
3
Tap <Yes>.
<Forwarding Settings> <Store Images in Memory> <Only When Error Occurs>