88W0-01A
Printing a Report Only When Fax Transmission Fails (Fax TX Result Report)
How to make settings for faxing and for I-Faxes is described here.
Fax
<Menu> 
<Output Report> <Report Settings> <Fax TX Result Report> <Only When Error Occurs> <On> <Apply> 
<Output Report> <Report Settings> <Fax TX Result Report> <Only When Error Occurs> <On> <Apply> NOTE
If you want to include a part of the transmitted original in the transmission result report, select <On> for <Include TX Image>.
I-Fax
<Menu> <Output Report> <Report Settings> <E-Mail/I-Fax/File TX Result Report> <Only When Error Occurs>
<Output Report> <Report Settings> <E-Mail/I-Fax/File TX Result Report> <Only When Error Occurs>