8
LED
I
NDICATOR
The Power/Power Saving LED and Warning LED indicate different scanner status.
Warning LED
Light
Power /
Power Saving
LED Light
Status
Off
Blue
The scanner is turned on, ready to scan images.
Off
Orange
The scanner is in standby mode (sleep mode) if it is
idle for 10 minutes.
Red
Blinking Blue
The ADF cover is opened.
Blinking Red
Blue
Paper jam.
Blinking Red
Off
An internal component of the scanner may have
malfunctioned.
Off
Off
The scanner is off, either because the power is not
turned on, or because the AC adapter is not
properly plugged into an AC power outlet.
U
LTRASONIC
S
ENSOR
When scanning a stack of documents by ADF, the ultrasonic sensor detects
multifeeds by checking paper overlap (i.e., 2 or more pages stuck together when being
fed through the ADF). Clean the ultrasonic sensor lightly with a dry cloth if it is
necessary.
Ultrasonic Sensor