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Countermeasures for Each Message
3JX3-0AH
If you cannot send a fax or the memory is full, or you encounter oper
ation problems, a message appears on the
display. Find out more information about messages in the following list.
A counterfeit or non-Canon cartridge may be in use. The amount in the
cartridge cannot be displayed correctly.
The toner cartridge used may not be a genuine Canon product.
● Only genuine Canon toner cartridges should be used as replacement toner cartridges.
Consumables(P. 586)
An error occurred during certicate verication.
The certicate has e
xpired, or contains incorrect information.
● Install the correct CA certicate.
Registering the Key and Certicate for Network Communication
(P. 387)
● Check the certicate for validity period and domain name in the DNS settings.
Cannot analyze the authentication server certicate.
The authentication server certicate may be invalid, or the certicate may be in a format that the
printer does not support.
● Check the authentication server certicate.
Conguring IEEE 802.1X Authentication Settings(P
. 396)
Cannot change the destination type of destinations registered to a group.
A selected destination could not be edited because it was registered to Group Dial.
● T
o change the type of destination that is registered to Group Dial, rst delete the registered destination
from Group Dial. Next, change the destination type, and then register the destination to Group Dial again.
Cannot nd the access point.
When automatic setting with WPS was attempted, a wireless router could not be detected within a
specic period of time.
● Connect again paying attention to the time limit.
Setting Up Connection Using WPS Push Button Mode(P. 21)
Setting Up Connection Using WPS PIN Code Mode(P. 23)
Troubleshooting
618
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