Canon Knowledge Base - Resolve the "User Intervention ...
In the Run box, type services.msc, then select OK. In the Services window, scroll down to Print Spooler. Right-click on it, then select Restart. After the print spooler restarts, close the Services window and try to print again. If this doesn't resolve the issue, turn the printer OFF, wait a few minutes, then turn it back ON. Retry the print task.
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