Brother IntelliFAX 4100 Laser Fax "confirmation ng mean" Questions

Confirmation Sheet What does the confirmation NG mean It means that the fax was not received without errors. In other words No Good. Not that it literally means that, but all fax techs call it that.

...NG MEAN ON THE FAX CONFIRMATION. I HAVE THE BROTHERS INTELLIFAX 4100E Noise or other problems on the phone line. If inside wires and box checks out, call the phone company to check line to the house. ...