404. That’s an error.
The requested URL /add?source=atgs&feedurl=http%3A%2F%2Fwww.trcb.com%2Frss%2FArticle%2FHave-A-Excellent-Multi-Function-When-Using-The-Canon-MF9170c-Printer-53772.xml was not found on this server. That’s all we know.
/add?source=atgs&feedurl=http%3A%2F%2Fwww.trcb.com%2Frss%2FArticle%2FHave-A-Excellent-Multi-Function-When-Using-The-Canon-MF9170c-Printer-53772.xml