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About LED
The status of the scanner is displayed by the LED (Red) (A) and the LED (Green) (B), as shown in the
table below:
A LED (Red) B LED (Green) Status
OFF OFF Power OFF
*1
OFF ON Ready mode or Scanning
OFF Blinking (Slow, Long ON) Sleep mode
*2
Blinking (Slow)
ON Warning
ON OFF Error
*3
OFF Blinking (Fast) Warming up
OFF Blinking (Fast, 2 times consecutively) Double Feed Skip mode
*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 be
turned off automatically. Press the power button of the scanner to turn it on. You can enable/disable the power off feature, and change
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. Press any
button (except the power button) on the scanner’s operation panel to return to ready mode. The time until the scanner enters sleep
mode can be changed in User Utility.
*3
For details about the error, refer to "Error Messages (KV-S1057C and KV-S1027C only)" (page 69) or check in User Utility.
16 Operating Manual
Location of Controls