Canon MF8580Cdw User Manual page 553

Cannot print RX data.
A received document cannot be printed due to the following:
Replacement period of the toner cartridge is near.
A cover is opened.
A toner cartridge is not set.
Paper is not set.
A document or paper jams.
An abnormality occurs.
Check whether the problems above are occurring. If messages including causes and solutions appear on the display,
check the contents.
Cannot receive the fax. Make sure the fax was sent correctly by the sender.
The recipient's machine did not respond within 35 seconds.
Ask the sender to send the fax again. If you hear a beep, select <Start Receiving>, and press
Receiving Faxes
Cannot send because more than one destination is specified.
Sending a fax to multiple destinations is disabled.
To specify multiple destinations, you need to set <Restrict Sequential Broadcast> to <Off> or <Confirm Sequential
Broadcast>. For more information, contact your Administrator.
Prohibiting Sequential Broadcasting (MF8580Cdw / MF8550Cdn / MF8280Cw Only)
Cannot specify a group.
Group Dial was specified as a destination after pressing <Hook>.
Once you press <Hook>, you cannot specify destinations in Group Dial. Press <End> on the <Specify the destination.>
screen, and specify destinations to send fax documents without pressing <Hook>.
Cannot use Cloud printing. (Server authentication failed.)
Cloud Print is unavailable due to server authentication failure.
Check whether the date and time settings are correctly specified.
Date/Time Settings
Check whether the validity period for the CA certificate has expired. If it has expired, log on to the Remote UI in
System Manager Mode and install a CA certificate.
Verifying Key Pairs and Digital Certificates
Using CA-issued Key Pairs and Digital Certificates
Cannot use Cloud printing. (Server communication error.)
to receive the fax.