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The scanned image
shifts or is distorted.
Is the document loaded
correctly?
Load the document correctly follow-
ing the instruction in "3.3 Loading
Documents" (page 39)
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 "Scan and Save Set-
tings" window.
Lines on the document
are blurred.
(Example: Ruled lines
on a table cannot be
seen.)
Are you scanning in color
mode, documents includ-
ing 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 includ-
ing textual content, select the check-
box for [Setting for text only
document] at [Scanning] – [Option]
in the “Scan and Save Settings” win-
dow.
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 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 "Scan and Save Set-
tings" window, clear the checkboxes
of the following to increase the scan-
ning 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, con-
nect the scanner to this port. (If
using a USB hub, it must also sup-
port USB 2.0 interfaces.) (*3)
Multi-feeds (*4) occur
frequently.
Is the Pad ASSY dirty? Clean the pad by following the
instructions in "6.3 Cleaning the
Inside of the Scanner" (page 148).
Is the Pad ASSY worn? Clean the Pad ASSY by following
the instructions in "7.2 Replacing the
Pad ASSY" (page 156).
Is the document stack
thicker than 5mm?
Reduce the number of sheets in the
document stack to 5 mm thickness
or less.
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