Canon PIXMA MG3022 Online Manual page 295

Then install the FINE cartridges again. Push up the FINE cartridge until it clicks into place.
After confirming that the FINE cartridge is installed properly, close the cover.
• When copying, see also the sections below:
Is platen glass dirty?
Check6
Clean the platen glass.
Cleaning the Platen Glass and Document Cover
Make sure original is properly loaded on platen glass.
Check7
Loading Originals
Is original loaded with side to be copied facing down on platen glass?
Check8
Did you copy a printout done by this printer?
Check9
If you use a printout done by this printer as the original, print quality may be reduced depending on the condition
of the original.
Reprint from the computer if you can reprint from it.
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