Chapter 5 Various Ways to Scan
Detecting Multifeed Errors | 4 Click the [Job/Cache] tab and specify the detection |
| method in the [Multifeed Detection] |
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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 |
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document length is detected. |
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You can have an error message appear when a multifeed |
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occurs. |
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Settings for multifeed detection can be configured in the |
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scanner driver or the Software Operation Panel. |
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For details about this setting in the Software Operation Panel, |
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refer to "Method of Multifeed Detection [Multifeed]" (page 145). | The following are the conditions of detecting multifeeds. |
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1 Load documents in the ADF paper chute.
For details, refer to "Chapter 2 How to Load Documents" (page 26).
2 Start up ScandAll PRO and click the [Scan] menu J [Scanner Setting].
DThe [TWAIN Driver (32)] dialog box appears.
If the [TWAIN Driver (32)] dialog box does not appear, check the setting in ScandAll PRO by clicking the [Tool] menu J [Preferences] to open the [Setup] dialog box, then confirm that [TWAIN] is selected for [Device Driver] in the [Scan] tab.
3 Click the [Option] button.
DThe [Option] dialog box appears.
Condition | Description |
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None | Does not detect multifeeds. |
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Hardware | Enables the setting of the Software Operation |
Setting | Panel. |
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Check | Uses the ultrasonic sensors inside the ADF to |
Overlapping | monitor the documents during feeding and to |
(Ultrasonic) | identify multifeeds according to the deviation of |
| the reflected ultrasonic waves. |
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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. |
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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. |
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For more details about multifeed detection, refer to "Conditions for Multifeed Detection" (page 33).
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