Canon Maxify Ib4020 User Guide
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6911Cause Printer error has occurred. Action Turn off the printer, and unplug the power cord of the printer from the power supply. Plug the printer back in and turn the printer back on. If the problem is not resolved, contact the service center.601
6920Cause Printer error has occurred. Action Turn off the printer, and unplug the power cord of the printer from the power supply. Plug the printer back in and turn the printer back on. If the problem is not resolved, contact the service center.602
6921Cause Printer error has occurred. Action Turn off the printer, and unplug the power cord of the printer from the power supply. Plug the printer back in and turn the printer back on. If the problem is not resolved, contact the service center.603
6930Cause Printer error has occurred. Action Turn off the printer, and unplug the power cord of the printer from the power supply. Plug the printer back in and turn the printer back on. If the problem is not resolved, contact the service center.604
6931Cause Printer error has occurred. Action Turn off the printer, and unplug the power cord of the printer from the power supply. Plug the printer back in and turn the printer back on. If the problem is not resolved, contact the service center.605
6932Cause Printer error has occurred. Action Turn off the printer, and unplug the power cord of the printer from the power supply. Plug the printer back in and turn the printer back on. If the problem is not resolved, contact the service center.606
6933Cause Printer error has occurred. Action Turn off the printer, and unplug the power cord of the printer from the power supply. Plug the printer back in and turn the printer back on. If the problem is not resolved, contact the service center.607
6940Cause Printer error has occurred. Action Turn off the printer, and unplug the power cord of the printer from the power supply. Plug the printer back in and turn the printer back on. If the problem is not resolved, contact the service center.608
6941Cause Printer error has occurred. Action Turn off the printer, and unplug the power cord of the printer from the power supply. Plug the printer back in and turn the printer back on. If the problem is not resolved, contact the service center.609
6942Cause Printer error has occurred. Action Turn off the printer, and unplug the power cord of the printer from the power supply. Plug the printer back in and turn the printer back on. If the problem is not resolved, contact the service center.610