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Description:The thermistor has an open circuit or a short circuit.
The heater has an open circuit.
The thermal fuse has blown.
The High-voltage power supply board has a fault.
The DCNT board has a fault.
hi my printer canon mf 4412 printer is not working it is showing error batten red light showing , display is not showing pls solve problem pls it is urgent
I usually open the back cover, top cover, cartridge cover and pull out the paper tray. Sometimes this clears the alarm, if this does not clear the alarm, I unplug the printer for a couple minutes. Between opening and closing the covers and unpluging the printer, the alarm goes away. Ray
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