Canon MF8580Cdw Manual page 512

Paper Size Override
Select whether to switch between printing on A4 and LTR size paper if one of these paper sizes is loaded but the other is not.
Configuring Printer Settings on the Machine
Off
On
Print Quality *
Specify the print quality such as toner density and image data processing methods.
Density
Specify the print density for each toner color. As the value gets bigger, the density becomes darker.
Yellow
17 Levels
Magenta
17 Levels
Cyan
17 Levels
Black
17 Levels
Specify the toner density
Toner Density (Fine Adjust)
Adjust the toner density for each toner color. You can adjust the density separately for darker areas (<High>), medium areas
(<Medium>), and lighter areas (<Low>).
Yellow
High
17 Levels
Medium
17 Levels
Low
17 Levels
Magenta
High
17 Levels
Medium
17 Levels
Low
17 Levels
Cyan
High
17 Levels
Medium
17 Levels
Low
17 Levels
Black
High
17 Levels
Medium
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<Printer Settings> <Print Quality>
<Apply>
<Density>
<Apply>
Select the toner color