Canon CanoScan FB 1200S ユーザーズマニュアル

Cause 1:

ADF power not on

Solution:

Ensure that the ADF option cable is correctly connected to the AC adapter and
that the power cord is plugged into a functioning electrical outlet. 

Cause 2:

ADF connector cable not attached

Solution:

Connect the ADF connector cable to the option cable as specified. 

Cause 3:

[Automatic Document Feeder] not selected in ScanGear CS-S or Plug-in
Module CS-S

Solution:

Cause 4:

Document(s) incorrectly placed in ADF

Solution:

Reposition the document(s) correctly. 

Cause 5:

ADF cover not closed properly

Solution:

Close the ADF cover completely.

Cause 6:

Paper jam

Solution:

Clear the paper jam. 

Cause 1:

Paper dust accumulated on separator or separator damaged

Solution:

Clean or replace the separator.