Canon PIXMA MG2525 All-in-One Inkjet Printer (Black) - Manual (Page 144)

Check7 Make sure that the original is properly loaded on the platen glass.
Loading Originals
Check8 Is the original loaded with the side to be copied facing down on the platen
glass?
Check9 Did you copy a printout done by this machine?
If you use a printout done by this machine 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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