Canon imagerunner advance C5550i User Manual page 952

Generating the Key and Certificate for Network Communication(P. 606)
Registering a Key and Certificate(P. 666)
Could not verify the certificate.
The CA certificate of a certificate authority could not be confirmed.
● Register a CA certificate issued by a certificate authority.
Remove the paper from the booklet tray.
Paper remains in the booklet tray.
● Remove the paper remaining in the booklet tray. Printing starts automatically.
Cannot connect.
Failed to perform proxy authentication.
● Check whether the proxy settings are correct.
Setting a Proxy(P. 602)
A toner cartridge of the wrong color may have been inserted. If this toner cartridge is
used, a malfunction may occur. Check the inserted toner cartridge.
The color of one of the inserted toner cartridges may be incorrect.
● Make sure to check the status of the inserted container, which is displayed in the area within the frame.
To continue using the toner cartridge, press <I Agree>. If you select this option, the operation of the
machine is not guaranteed.
To replace the toner cartridge, press <Cancel>.
If you are not sure about the remedies, contact your local authorized Canon dealer from which you
purchased the toner cartridge.
Cannot change the settings because the selected key is being used.
The key and certificate you are trying to delete is being used in TLS encrypted communications or the
Restrict Receiving for Each Function mode of Device Information Distribution.
● Set all TLS settings to <Off> to stop TLS encrypted communication. Also set all settings in <Restrict
Receiving for Each Function> to <On>.
<Device Information Distribution Settings>(P. 810)
Troubleshooting
940