When the triangle light of Canon printer flashes alternately, it is a warning that the surface printer is out of order. Need to analyze the cause of the failure, such as no paper in the tray. At this time, the simple solution is to hold down the stop key for 5 seconds to stop the flashing phenomenon. If this method can't solve the problem, the fault is not in the background paper tray.
If it is a Canon printer, the three yellow indicators will flash five times at the same time, indicating that the printer needs to be reset. Turn it off first. Press power+to start recovery, press power to play recovery, double-click recovery twice and just clean it up. If the above operation is still invalid, you can only contact after-sales service.
The printer is not responding because:
1, failure phenomenon caused by improper operation
Solution: Restart the computer. After restarting, the printer cache task is automatically lost and can be printed normally.
2, printer power cord failure, poor contact between printer and computer, and so on and so forth.
Solution: First check whether the power cord is connected correctly to ensure that the printer is powered on. When the computer is turned off, the USB cable connected to the computer is unplugged again or replaced. The cable is damaged, and the computer desk cannot correctly identify the printer.