Re-install the toner cartridge. If re-installing the toner cartridge fails to clear the error message, the toner
cartridge may be faulty. Contact the store where you purchased the toner cartridge or consult the Canon
Customer Help Center.
How to Replace Toner Cartridges(P. 400)
The toner cartridge used may not be a genuine Canon product.
Only genuine Canon toner cartridges should be used as replacement toner cartridges.
Google Cloud Print not avail. Server auth err
Server authentication for Cloud Print failed. Or, acquisition of information for registration failed.
Check whether the date and time settings are correctly specified.
Date/Time Settings(P. 307)
Google Cloud Print not avail. Server comm err
Cloud Print is unavailable due to an error.
Check whether the machine is correctly connected to a wireless LAN or wired LAN.
Connecting to a Wireless LAN(P. 136)
Connecting to a Wired LAN(P. 135)
A port that is used for Cloud Print may be blocked by a firewall or other protection. Check whether the
5222 port is available with your computer.
If a proxy server is used on the network, check whether the proxy settings on the machine and the server
are correct. For details, contact your Network Administrator.
Setting a Proxy(P. 228)
Incorrect number of characters/invalid characters entered.
The network key (the WPA/WPA2-PSK or WEP key) of a wireless router is not entered correctly.
Check the network key (the WPA/WPA2-PSK or WEP key) of the wireless router, and set it to the machine
again. For more information about how to check the network key, see the instruction manuals for your
networking devices or contact your manufacturer.
Checking the SSID and Network Key(P. 150)
Setting Up Connection by Selecting a Wireless Router(P. 143)
Setting Up Connection by Specifying Detailed Settings(P. 146)
Mem. full. Check error w/ Status Monitor key.
The memory became full of print data that could not be printed due to errors.
For the documents with errors, select <Skip Error> or cancel printing of those documents.
Canceling Prints(P. 75)