5.1 About LEDThe status of the scanner is displayed by the LED (Red) ( ) and the LED (Green) ( ), as shown inthe table below:LED (Red) LED (Green) StatusOFF OFF Power OFF*1OFF ON Ready mode or ScanningOFF Blinking (Fast) Warming upOFF Blinking (Fast, 2 times consecutively) Double Feed Skip modeOFF Blinking (Fast, 3 times consecutively) Dog-ear detection skip modeOFF Blinking (Slow) Sleep mode*2 or Cleaning modeBlinking (Slow) ON Notification modeON OFF Error*3*1 If the power off feature in sleep mode is enabled, and if no operation is performed for a certain period of time, the scanner will beturn off automatically. Press the power button ( ) of the scanner to turn it on. You can enable/disable the power off feature, andchange the time until the scanner turns off in User Utility.*2 If no operation is performed for 15 minutes or longer, the scanner will enter sleep mode automatically to conserve energy. Pressthe Start/Stop button ( ) on the scanner’s operation panel to return to ready mode. The time until the scanner enters sleepmode can be changed in User Utility.*3 For details about the error, check in User Utility.5.1 About LED17