Canon PIXMA MG6821 User Manual - Page 724
Correcting shadows that appear between s when scanning open booklets
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Note • Printed photos and pictures are displayed as a collection of fine dots. "Moire" is a phenomenon where uneven gradation or a stripe pattern appears when such photos or pictures printed with fine dots are scanned. Descreen is the function for reducing this moire effect. Reducing dust and scratches Set Reduce Dust and Scratches to Low, Medium, or High according to the degree of dust and scratches. None Medium Correcting photos that have faded with time or due to colorcast Set Fading Correction to Low, Medium, or High according to the degree of fading or colorcast. None Medium Reducing graininess Set Grain Correction to Low, Medium, or High according to the degree of graininess. None Medium Correcting shadows that appear between pages when scanning open booklets Set Gutter Shadow Correction to Low, Medium, or High according to the degree of shadows. None Medium 724
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 |
 |
Note
•
Printed photos and pictures are displayed as a collection of fine dots. "Moire" is a phenomenon
where uneven gradation or a stripe pattern appears when such photos or pictures printed with fine
dots are scanned.
Descreen
is the function for reducing this moire effect.
Reducing dust and scratches
Set
Reduce Dust and Scratches
to
Low
,
Medium
, or
High
according to the degree of dust and
scratches.
None
Medium
Correcting photos that have faded with time or due to colorcast
Set
Fading Correction
to
Low
,
Medium
, or
High
according to the degree of fading or colorcast.
None
Medium
Reducing graininess
Set
Grain Correction
to
Low
,
Medium
, or
High
according to the degree of graininess.
None
Medium
Correcting shadows that appear between pages when scanning open booklets
Set
Gutter Shadow Correction
to
Low
,
Medium
, or
High
according to the degree of shadows.
None
Medium
724