Fujitsu fi-4120C Operator's Manual page 39

I I I I E
Indicates that a device alarm occurred while the document
was being scanned.
"E" and the alarm No. (2 to 9, c and d) are indicated
alternately.
To return the scanner to the ready status ("1"), press "Scan"
or "Send to" button while the alarm is indicated.
If this alarm occurs, turn the power off and on again. If the
alarm continues after turning on the power again, contact
your service engineer.
12 1.3 Operator panel