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Symptom Check This Item Remedy
Did you resume the computer from the
hibernation state?
When you perform scanning after resuming the
computer from the hibernation state, move the
mouse or press any key before scanning.
Vertical lines appear in the
scanned image.
Is the inside of the ADF dirty? Clean the inside of the ADF following the
instructions in "5. Daily Care".
The generated image shifts or
is distorted.
Is the document loaded correctly? Load the document correctly.
Refer to “ScanSnap S510 Operator’s Guide”
section 3.3
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
check box 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.
Scanning speed is very slow. Does your PC satisfy the recommended system
requirements?
Check the system requirements in the ScanSnap
S510 Operator’s Guide.
Scanning speed will be slower whenever the 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 check boxes 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
scanner to this port. (If using a USB hub, it must
also support USB 2.0 interfaces.) (*1)
Multi-feeds (*2) occur
frequently.
Is the Pad ASSY dirty? Clean the Pad ASSY following the instructions in
"5.3. Cleaning Inside of the scanner".
Is the Pad ASSY worn out? Replace the Pad ASSY following the instructions
in "6.2. Replacing the Pad ASSY".
Is the document stack thicker than 5 mm? Reduce the number of sheets of the document
stack to 5 mm thickness or less.
Paper is not fed (stops
midway).
Is the Pick roller dirty? Clean the Pick roller following the instructions in
"5.3. Cleaning Inside of the scanner".
Is the Pick roller worn out? Replace the Pick roller following the instructions
in "6.3. Replacing the Pick Roller".
Are there any debris on the document feeding
path?
Remove any debris from the document feeding
path. Refer to "4.2. Clearing Paper Jams".
Do the loaded documents satisfy the conditions
described in section 3.2 on the “ScanSnap
S510 Operator’s Guide”?
If not, they might not pass smoothly through
the ADF.
Try the following:
・ Slightly push through with your finger the first
sheet of the documents at the start of scanning.
・ Change the insertion direction of the document.
The scanner is not recognized
even if ScanSnap Manager is
installed.
Did you connect the scanner to your PC before
installing ScanSnap Manager?
Is the scanner registered as "Other device" in
the "Device Manager"?
On the [Start] menu, select [Control panel]
[System] [Hardware] [Device Manager].
Delete the device name such as USB device
(differs with the OS) under "Other Device"
selection in the [Device Manager] and restart
your PC.
The file size of a scanned
black & white image is the
same as that of a scanned
color document image.
Is the B&W document scanned in the color
mode?
Select "B&W" from the [Color mode] drop-down
list on the [Scanning] tab in the "ScanSnap
Manager - Scan and Save Settings" dialog box.