220
Vertical lines appear in
the scanned image.
Is the inside of the ADF
dirty?
Clean the inside of the ADF following
the instructions in Chapter "8 Daily
Care" (page 227).
The scanned image
shifts or is distorted.
Is the document loaded
correctly?
Load the document correctly
following the instruction in "3.3
Loading Documents" (page 49)
The image scanned is
too light or too dark.
Is the "Brightness (Black
and White scanning only)"
setting on [Option] of the
[Scanning] tab set to
extremely Light or Dark?
Adjust "Brightness" at [Scanning]
[Option] in the "ScanSnap Manager
Scan and Save Settings" dialog
box.
Lines on the document
are blurred.
(Example: Ruled lines
on a table cannot be
seen.)
Are you scanning in color
mode, documents
including handwritten or
typed text, tables or frames
with ruled lines?
The color mode is used for capturing
colored images like photos in high
quality. For other documents
including textual content, select the
checkbox for [Setting for text only
document] at [Scanning]
[Option]
in the "Scan and Save Settings"
window.
If it does not improve even after you
have tried this method, change
"Image quality" setting.
The scanning speed is
very slow.
Does your PC meet the
recommended system
requirements?
Confirm the system requirements in
"Before Installing the Supplied
Programs for the ScanSnap" (page
6).
Scanning speed will be slower
whenever the recommended CPU
and memory requirements are not
met.
If this is the case, at [Scanning]
[Option] in the "ScanSnap Manager
Scan and Save Settings" dialog
box, clear the checkboxes of the
following to increase the scanning
speed.
• Correct skewed character strings
automatically
• Allow automatic image rotation
Is the USB 1.1 connected?
Note: When using an
USB1.1 interface, the data
transfer rate may be
slower due to large data
sizes.
If your PC has an USB 2.0 port,
connect the ScanSnap to this port.
(If using a USB hub, it must also
support USB 2.0 interfaces.) (*3)
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