Canon TX-4000 Online Manual page 516

If the Status lamp is flashing orange, check the message on the touch screen and take action as
necessary.
If the Status lamp is flashing white, the printer is receiving a print job. Turn off the printer after printing
is finished.
2. Hold down the ON button for more than a second.
"Ending Please wait a while." appears on the touch screen, and the printer turns off.
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