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Chapter 5 Various Ways to Scan
Appendix
Glossary
Introduction
Index
Contents
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103
How to Load
Documents
Daily Care
Troubleshooting
Operational
Settings
Replacing the
Consumables
Scanner
Overview
Various Ways to
Scan
Configuring the
Scan Settings
How to Use the
Operator Panel
Detecting Multifeed Errors
Multifeed is an error where two or more sheets are fed through
the ADF at once. It is also called a multifeed when a different
document length is detected.
You can have an error message appear when a multifeed
occurs.
Settings for multifeed detection can be configured in the
scanner driver or the Software Operation Panel.
For details about this setting in the Software Operation Panel,
refer to "Specifying a Multifeed Detection Method [Multifeed]"
(page 180).
1 Load the documents in the ADF paper chute.
For details, refer to "Chapter 2 How to Load Documents" (page 37).
2 Start up ScandAll PRO and select the [Scan] menu J
[Scanner Setting].
D The [TWAIN Driver (32)] dialog box appears.
3 Click the [Option] button.
D The [Option] dialog box appears.
4 Click the [Job/Cache] tab and specify the detection
method in the [Multifeed Detection] drop-down list under
[ADF Option].
The following are the conditions of detecting multifeeds.
For more details about multifeed detection, refer to "Conditions for
Multifeed Detection" (page 45).
If the [TWAIN Driver (32)] dialog box does not appear,
check the setting in ScandAll PRO by selecting the [Tool]
menu J [Preferences] to open the [Setup] dialog box,
then confirm that [TWAIN] is selected for [Device Driver]
in the [Scan] tab.
Condition Description
None Does not detect multifeed.
Hardware
Setting
Enables the setting of the Software Operation
Panel.
Check
Overlapping
(Ultrasonic)
Uses the ultrasonic sensors inside the ADF to
monitor the documents during feeding and to
identify multifeeds according to the deviation of
the reflected ultrasonic waves.
Check length Monitors the document length during feeding, and
identifies multifeeds according to the deviation of
detected lengths.
Note that multifeeds cannot be detected
accurately when scanning a mixed batch of
different sizes.
Check
Overlapping
and length
Monitors both document overlapping and length
to detect multifeeds.
Note that multifeeds cannot be detected
accurately when scanning a mixed batch of
different sizes.