fi-4110CU Image Scanner Operator’s Guide
5-1
CHAPTER
5
When you suspect that a fault occurred
When you suspect a fault occurred while using the image scanner, check the items
listed below.
Problem
Item to be Checked
Correction
Is the AC adapter connected
correctly?
Connect the AC adapter correctly.
Power is not
turned on
¾
Turn off the power once by
disconnecting the AC adapter.
Then, turn on the power again by
connecting the power cable. If the
power is not turned on, notify the
sales agent or the nearest service
center.
Are documents inserted to the
back of the automatic document
feeder?
Insert the documents gently to the
back.
Is the automatic document feeder
closed completely?
Confirm that the automatic
document feeder is closed.
Reading does
not start
Is the interface cable connected
correctly?
Connect the interface cable
correctly.
Is half tone processing being
executed?
Specify correct half tone processing
by using the main unit.
Result of
reading graphics
and photographs
is unsatisfactory.
Is the interior of the automatic
document feeder clean?
Clean them according to Section
4.3, "Cleaning."
Is half tone processing being
executed?
Select binary (black and white)
processing by using the main unit.
Results of
reading
characters and
diagrams are
unsatisfactory
Is the interior of the automatic
document feeder clean?
Clean them according to Section
4.3, "Cleaning."
Images are
misaligned or
distorted.
Are documents set straight on the
document support?
Set the documents straight using
the document guides.
Is the pad clean?
Clean the pad according to Section
4.3.2, "Cleaning the Automatic
Document Feeder."
Double feeding
(*1) occurs
frequently.
Is the pad worn?
Replace the pad unit.
