Canon imageFORMULA ScanFront 400 ScanFront 400 Setup and Operation Guide - Page 102

Non Separation Feeding Mode] is set to [ON]. See p. 39., Set [Non Separation Feeding Mode] to [OFF].

Page 102 highlights

Documents are double fed A stack of documents are fed together Scanning starts immediately after I press a job button (certain users only) Cause Solution Cause Solution Cause Solution Cause Solution Cause Solution Static electricity is causing the pages of the document to stick to each other. Before you load a stack of documents, fan the documents. The type of paper of the documents is causing a paper feed error. Set [Document type] to [Extra-thin paper] in the Detailed Settings screen. In addition, limit the number of documents placed on the scanner to about 10 sheets. (See p. 49.) In addition, set [Non Separation Feeding Mode] to [OFF] and scan the pages one by one. The retard roller and feed roller are dirty. Clean the retard roller anf feed roller. (Refer to "Remove the retard roller and feed roller, and remove any dirt from them." on p. 176 of the ScanFront 400 INSTRUCTIONS.) [Non Separation Feeding Mode] is set to [ON]. (See p. 39.) Set [Non Separation Feeding Mode] to [OFF]. [Skip Scan Setting Screen] is selected in the job button settings. (See p. 90.) Change the job button setting or place the document and then press a job button. 102 Chapter 6 Troubleshooting

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102
Chapter 6
Troubleshooting
Documents are double fed
Cause
Static electricity is causing the pages of the document to stick to each
other.
Solution
Before you load a stack of documents, fan the documents.
Cause
The type of paper of the documents is causing a paper feed error.
Solution
Set [Document type] to [Extra-thin paper] in the Detailed Settings
screen. In addition, limit the number of documents placed on the
scanner to about 10 sheets. (See p. 49.) In addition, set [Non Separation
Feeding Mode] to [OFF] and scan the pages one by one.
Cause
The retard roller and feed roller are dirty.
Solution
Clean the retard roller anf feed roller. (Refer to “Remove the retard
roller and feed roller, and remove any dirt from them.” on p. 176 of the
ScanFront 400 INSTRUCTIONS
.)
A stack of documents are fed
together
Cause
[Non Separation Feeding Mode] is set to [ON]. (See p. 39.)
Solution
Set [Non Separation Feeding Mode] to [OFF].
Scanning starts immediately
after I press a job button (certain
users only)
Cause
[Skip Scan Setting Screen] is selected in the job button settings. (See
p. 90.)
Solution
Change the job button setting or place the document and then press a
job button.