7 Close the Front Maintenance Cover in the order shown in the diagram below.
Feeding Trouble
If the document is not fed properly or the detection functions do not work properly, remedy the problem by checking the following conditions.
Condition | A paper jam has occurred. |
Cause and | • Check to make sure that the size and thickness of the |
Remedy | document are within the supported range of the |
| scanner, and if the quality of the paper is appropriate. |
| For cautions on handling documents, see |
| |
| • Documents with rough surfaces may cause a paper |
| feed error to occur. |
| Scan one sheet at a time in the separation OFF mode. |
| (See “Separation OFF Mode,” on p. 37 in Instructions.) |
| • Dirty or worn rollers inside the scanner may cause a |
| paper jam. |
| Clean the rollers if they are dirty. (See “Cleaning the |
| Scanning Glass and Rollers” on p. 15.) Worn rollers |
| must be replaced. Some rollers are replaceable. (See |
| “Replacing the Rollers” on p. 24.) If the rollers are not |
| replaceable, contact your local authorized Canon |
| dealer or service representative to have the scanner |
| serviced. |
| • The Separation Roller gap is too wide. Adjust the |
| Separation Roller gap. (See “Adjusting the Separation |
| |
Condition | A double feed error occurred even though |
| documents are not being double fed. |
Cause and | A double feed error may occur when documents with |
Remedy | different thicknesses are mixed. Turn OFF the double |
| feed detection mode, if this happens. |
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