Canon MX490 series Online Manual page 617

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When you set the Gutter Shadow Correction setting in the preview image, the result will be reflected.

Preview the effects before scanning, as results vary depending on the type of document and how it is

Unclear or blurred text/lines caused by curved pages are not corrected.

Gutter shadow will not be corrected.

Select this when the effect level is too strong with the medium setting.

It is recommended that you normally select this setting.

Select this when the effect level is too weak with the medium setting.

• You can set Gutter Shadow Correction after preview.

• Do not place objects that weigh 4.4 lbs (2.0 kg) or more on the platen. Also, do not press on the

document with a force exceeding 4.4 lbs (2.0 kg). If you press heavily, the scanner may not work

correctly or you might break the glass.

• Align the document with the edge of the Platen. If not, the shadow will not be corrected properly.

• Shadows may not be corrected properly depending on the document. If the page background is not

white, shadows may not be detected correctly or may not be detected at all.

• While scanning, press down on the spine with the same amount of pressure you used to preview

the scan. If the binding part is not even, the shadow will not be corrected properly.

• How to place the document depends on your model and the document to be scanned.

• Cover the document with black cloth if white spots, streaks, or colored patterns appear in scan

results due to ambient light entering between the document and the Platen.

• If the shadow is not corrected properly, adjust the cropping frame (scan area) on the preview

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Troubleshooting