7.2 Troubleshooting Checklist
ScanSnap S510 Operator's Guide 221
Troubleshooting
7
Multi-feed errors (*4)
occur frequently.
Is the Pad ASSY dirty? Replace the pad by following the
instructions in "8.3 Cleaning the
Inside of the Scanner" (page 230).
Is the Pad ASSY worn? Replace the Pad ASSY by following
the instructions in "9.2 Replacing the
Pad ASSY" (page 238).
Is the document stack
thicker than 5 mm?
Reduce the number of sheets in the
document stack to 5 mm thickness
or less.
Paper is not fed (stops
midway).
Is the Pick roller dirty? Clean the Pick roller by following the
instructions in "8.3 Cleaning the
Inside of the Scanner" (page 230).
Is the Pick roller worn out? Replace the Pick roller by following
the instructions in "9.3 Replacing the
Pick Roller" (page 241).
Are there any debris on the
document feeding path?
Remove any debris from the
document feeding path. (Refer to
"7.1 Clearing Document Jams"
(page 216).
Do the loaded documents
satisfy the conditions
described in section "3.2
Paper Size of Documents
to be Scanned" (page 46)?
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.
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