Canon Knowledge Base - Printing Reports and Lists (MF8580Cdw/MF8280Cw)

You can check the fax and e-mail logs of sent and received documents by printing a Communication Management Report. The report can be printed automatically after every 40 transmissions, or you can print it manually. "OK" indicates that the transmission was completed successfully while "NG" and three digits (an error code) indicates that the transmission failed.