FUJITSU C150-E146-02EN - Manual (Page 22)

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Alarm
One of the following message is displayed if an error occurs in the scanner. If one of the following
error message is displayed, turn the power off and then on again. If the same message is displayed,
contact your service representative.
<Optical alarm front>
<Optical alarm back>
<FB mechanism alarm>
NOTE
When the total number of sheets scanned by the ADF is less than
100, the message above and the message below are displayed
alternately. Remove the bracket (shipping lock) that holds the carrier
in place.
<Motor fuse alarm>
<Lamp fuse alarm>