Fujitsu ScanSnap S500 Getting Started page 17

Symptom
The generated image shifts or
is distorted.
The image scanned is too light
or too dark.
Lines on the document are
blurred.
(Example: Ruled lines on a
table cannot be seen.)
Scanning speed is very slow.
Multi-feeds (*4) occur
frequently.
Paper is not fed (stops
midway).
The scanner is not recognized
even if ScanSnap Manager is
installed.
The file size of a scanned
black & white image is the
same as for a color document.
The rear side of the document
appears in the scanned image
when scanning a double-sided
document (noise of back side
image).
Check This Item
Is the document loaded correctly?
Is the "Brightness (Black and White scanning
only)" setting on [Option...] of the [Scanning]
tab set to extremely Light or Dark?
Are you scanning in color mode, documents
including handwritten or typed text, tables or
frames with ruled lines?
Does your PC satisfy the recommended system
requirements?
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.
Is the Pad ASSY dirty?
Is the Pad ASSY worn out?
Is the document stack thicker than 5 mm?
Is the Pick roller dirty?
Is the Pick roller worn out?
Are there any debris on the document feeding
path?
Do the loaded documents satisfy the conditions
described in section 3.2 on the Operator's
Guide?
If not, they might not pass smoothly through
the ADF.
Did you connect the scanner to your PC before
installing ScanSnap Manager?
Is the scanner registered as "Other device" in
the "Device Manager"?
Is the B&W document scanned in the color
mode?
Is the "Setting for text only document." check
box cleared at [Option...] on the [Scanning] tab
in the "Scan and Save Settings" window?
Remedy
Load the document correctly.
Refer to Operator's Guide section 3.3
Adjust "Brightness" at [Scanning] - [Option...] in
the "Scan and Save Settings" window.
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.
Check the system requirements in section 2.1,
"Before Installing", of the Operator's Manual.
Scanning speed will be slower whenever the CPU
and memory requirements are not met.
If this is the case, at [Scanning] - [Option...] in
the "Scan and Save Settings" window, clear the
check boxes of the following to increase the
scanning speed.
- Correct skewed character strings automatically
- Allow automatic image rotation
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.) (*3)
Clean the Pad ASSY following the instructions in
"5.3. Cleaning Inside of the scanner".
Replace the Pad ASSY following the instructions
in "6.2. Replacing the Pad ASSY".
Reduce the number of sheets of the document
stack to 5 mm thickness or less.
Clean the Pick roller following the instructions in
"5.3. Cleaning Inside of the scanner".
Clean the Pick roller following the instructions in
"6.3. Replacing the Pick Roller".
Remove any debris from the document feeding
path.
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.
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.
Select "B&W" at [Color mode:] on the
[Scanning] tab in the "Scan and Save Settings"
window.
Select the "Setting for text only document."
check box. (Available only in color mode) which
makes characters, lines and contrasts appear
sharp and clear, and the noise of the backside
image is eliminated. Please note that you can use
this mode also for documents including photos
and illustrations. However the contrasts and
colors might be affected.
ScanSnap S500 Getting Started | 15