Symptom
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.
A multi-feed frequently occurs.
"Multi-feed" means that two or more
sheets of paper are fed simultaneously
into the scanner.
Paper is not fed (stops midway).
The scanner is not recognized, though
ScanSnap Manager is installed.
Check This Item
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 personal computer satisfy the
recommended system requirements?
Is the scanner connected to a USB 1.1 port?
Note: When using an USB1.1 interface, the
data transfer speed may be slower due to
large data size.
Is the Pad ASSY dirty?
Is the Pad ASSY worn out?
Is the document stack thicker than 0.2" (5
mm)?
Is the Pick roller dirty?
Is the Pick roller worn out?
Is there any foreign material on the
document-feeding path?
Do the loaded documents satisfy the
conditions described in section 3.2 on the
"ScanSnap S510M for Mac Operator's
Guide"?
If not, they might not pass smoothly through
the ADF.
Did you connect the scanner to your
personal computer before installing
ScanSnap Manager?
Have the "ScanSnap Manager" started?
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 ScanSnap Manager" ,
of "ScanSnap S510M for Mac 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 "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 a USB 2.0 port, connect the
scanner to this port. (If a USB hub is used, it
must also support USB 2.0 interfaces and all
devices connected to it must be 2.0
compliant.) (*1)
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 so that the
document stack to 0.2" (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 foreign material 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.
If you have accidentally deleted the
"ScanSnap Manager" Login Item from
"System Preferences," select "System
Preferences" - "Login Item"- "Add" -
"SSManager, app," and then register it
again.
With Finder, select "Applications" -
"ScanSnap" - "ScanSnap Manager."
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