Scan Quality (Image Displayed on the Monitor) Is Poor
Check 1
If the image is jagged, increase the scanning resolution, or select
TIFF
or
PNG
in
Data Format
of the Settings dialog box.
Check 2
Set the display size to 100 %.
Some applications do not display images clearly if the display size is too small.
Check 3
If moire (stripe pattern) appears, take the following measures and scan again.
• Set one of the following settings in the
Settings (Document Scan)
dialog box,
Settings (Custom Scan)
dialog box, or
Settings (Scan and Stitch)
dialog box of IJ Scan Utility, then scan from the IJ Scan Utility
main screen.
◦ Set
Select Source
to
Magazine
and set
Color Mode
to
Color
◦ Select the
Reduce moire
checkbox in
Image Processing Settings
• On the
Basic Mode
tab of ScanGear (scanner driver), select
Magazine (Color)
in
Select Source
.
Refer to "Basic Mode Tab" for your model from Home of the
Online Manual
for details.
• On the
Advanced Mode
tab of ScanGear, set
Descreen
in
Image Settings
to
ON
.
Refer to "Image Settings" for your model from Home of the
Online Manual
for details.
Note
• If moire appears when you scan a digital print photo, take the above measures and scan again.
Check 4
Check the monitor's color depth.
Refer to Help of Windows or the monitor's manual for details on how to check the monitor's color depth.
Check 5
Clean the platen and document cover.
Check 6
If the document is in poor condition (dirty, faded, etc.), then set
Reduce Dust
and Scratches
,
Fading Correction
,
Grain Correction
, etc. in
Image Settings
on the
Advanced Mode
tab of ScanGear.
Refer to "Image Settings" for your model from Home of the
Online Manual
for details.
Check 7
If the color tone of images is different from the original document, take the
following measures and scan again.
917
Summary of Contents for Pixma MG6821
Page 27: ...Using the Machine Printing Photos from a Computer Copying Originals Printing Photos 27...
Page 160: ...Loading Paper Loading Plain Paper Photo Paper Loading Envelopes 160...
Page 183: ...Replacing Ink Replacing Ink Checking Ink Status 183...
Page 189: ...When an ink tank is out of ink replace it immediately with a new one Ink Tips 189...
Page 226: ...Safety Safety Precautions Regulatory Information 226...
Page 231: ...Main Components and Their Use Main Components Power Supply Using the Operation Panel 231...
Page 232: ...Main Components Front View Rear View Inside View Operation Panel 232...
Page 256: ...Note The effects of the quiet mode may be less depending on the print quality settings 256...
Page 272: ...Language selection Changes the language for the messages and menus on the touch screen 272...
Page 283: ...Network Connection Network Connection Tips 283...
Page 331: ...5 Delete Deletes the selected IP address from the list 331...
Page 379: ...Printing Area Printing Area Other Sizes than Letter Legal Envelopes Letter Legal Envelopes 379...
Page 410: ...Note Selecting Scaled changes the printable area of the document 410...
Page 421: ...Related Topic Changing the Printer Operation Mode 421...
Page 443: ...Adjusting Color Balance Adjusting Brightness Adjusting Intensity Adjusting Contrast 443...
Page 449: ...Adjusting Intensity Adjusting Contrast 449...
Page 529: ...Printing Using Canon Application Software My Image Garden Guide Easy PhotoPrint Guide 529...
Page 707: ...707...
Page 725: ...725...
Page 764: ...Adjusting Cropping Frames ScanGear 764...
Page 792: ...Scanning starts then the scanned image appears in the application 792...
Page 799: ...Scanning Tips Resolution Data Formats Color Matching 799...
Page 837: ...If icon is displayed Go to check 4 Cannot Find Machine During Wireless LAN Setup Check 4 837...
Page 990: ...1660 Cause A ink tank is not installed What to Do Install the ink tank 990...