The target printer is not displayed on the printer selection screen.
Cause
The settings of the Updater running in the printer may not be complete. Or, the Updater running in the printer may not support this software.
Remedy
For details on the Updater settings, contact the following.
Your local authorized Canon dealer
A version mismatch occurred between the firmware of the printer and this software after executing a task to update firmware.
Cause
When the power of a printer is turned OFF or the network is disconnected while a task for updating the firmware is executing, the execution result of the task may be an error, even if the firmware update succeeds for the printer. In this case, a version mismatch has occurred between the firmware of the printer and this software.
Remedy
Execute the built-in task (Retrieve Printer Information) to check the latest printer information.
An error occurs when an [Update Firmware] task is executed and a message such as "A SOAP communication error occurred." or "Unknown error." is displayed.
Cause 1
When updating the firmware of a printer, the printer communicates to this software. That communication may be blocked.
Remedy
When the Manager and Agent of this software are running on the same computer:
Check whether the printer can communicate to the Manager on the computer where the Manager is running. For information on the target protocols and port numbers, see the following.
When the Manager and Agent of this software are running on different computers:
Check whether the printer can communicate to the Agent on the computer where the Agent is running. For information on the target protocols and port numbers, see the following.
When using a proxy, configure the proxy server to allow communication from the printer to the Manager. For information on the target protocols and port numbers, see the following.
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Portal Top
(Settings/Registration) > [Preferences] > [Network] > [TCP/IP Settings] > [Proxy Settings]
