Canon MX490 series Online Manual page 826

Then install the FINE cartridges again. Push up the FINE cartridge until it clicks into place.
When the FINE cartridge is installed properly, you hear an electric sound once.
After confirming that the FINE cartridge is installed properly, close the paper output cover.
• When copying, see also the sections below:
Is the platen glass or the glass of ADF dirty?
Check6
Clean the platen glass or the glass of ADF.
Cleaning the Platen Glass and Document Cover
Note
• If the glass of ADF is dirty, black streaks appear on the paper as shown below.
Check that the original is loaded correctly on the platen glass or in the ADF.
Check7
Loading Originals
Is the original document is loaded with the proper side facing up/down?
Check8
When loading the original on the platen glass, the side to be copied should be face down. When loading the
original in the ADF, the side to be copied should be face up.
Did you copy a printout done by this machine?
Check9
If you use a printout done by this machine as the original, print quality may be reduced depending on the
condition of the original.
Print from the machine directly, or reprint from the computer if you can reprint from it.
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