Chapter 5 Various Ways to Scan

Detecting Multifeed Errors

4 Click the [Job/Cache] tab and specify the detection

 

 

 

 

 

method in the [Multifeed Detection] drop-down list under

 

 

 

 

Multifeed is an error where two or more sheets are fed through

 

[ADF Option].

 

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]"

 

The following are the conditions of detecting multifeeds.

(page 180).

 

 

 

 

 

Condition

Description

 

 

 

 

 

1 Load the documents in the ADF paper chute.

 

 

 

 

None

Does not detect multifeed.

 

For details, refer to "Chapter 2 How to Load Documents" (page 37).

 

 

 

 

 

Hardware

Enables the setting of the Software Operation

2 Start up ScandAll PRO and select the [Scan] menu J

 

 

Setting

Panel.

 

[Scanner Setting].

 

 

 

 

 

Check

Uses the ultrasonic sensors inside the ADF to

 

D The [TWAIN Driver (32)] dialog box appears.

 

Overlapping

monitor the documents during feeding and to

 

 

 

 

 

(Ultrasonic)

identify multifeeds according to the deviation of

 

 

 

If the [TWAIN Driver (32)] dialog box does not appear,

 

 

the reflected ultrasonic waves.

 

 

 

check the setting in ScandAll PRO by selecting the [Tool]

 

 

 

 

 

 

 

Check length

Monitors the document length during feeding, and

 

 

 

menu J [Preferences] to open the [Setup] dialog box,

 

 

 

 

 

 

 

 

 

identifies multifeeds according to the deviation of

 

 

 

then confirm that [TWAIN] is selected for [Device Driver]

 

 

 

 

 

 

 

detected lengths.

 

 

 

in the [Scan] tab.

 

 

 

 

 

 

 

Note that multifeeds cannot be detected

 

 

 

 

 

 

3 Click the [Option] button.

 

 

accurately when scanning a mixed batch of

 

 

different sizes.

 

 

 

 

 

 

 

 

 

 

 

 

Check

Monitors both document overlapping and length

 

 

 

 

 

Overlapping

to detect multifeeds.

 

 

 

 

 

and length

Note that multifeeds cannot be detected

 

 

 

 

 

 

accurately when scanning a mixed batch of

 

 

 

 

 

 

different sizes.

 

D The [Option] dialog box appears.

 

 

 

 

 

For more details about multifeed detection, refer to "Conditions for

 

 

 

 

 

Multifeed Detection" (page 45).

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