Canon MF247dw User Manual page 536

<Menu> <Adjustment/Maintenance>
<On>
After the setting is enabled
● While more effect is gained than with <Special Printing Mode Z>, print speed is slower.
Special Printing Mode D
Adjust this setting if streaks adhere to the print paper. Also, setting this item to <On> will reduce the operating
noise during printing.
Copy
Off
On
Print
Off
On
<Menu> <Adjustment/Maintenance>
Select <Copy> or <Print>
After the setting is enabled
● While more effect is gained than with <Special Printing Mode Z>, print speed is slower.
After printing from a smartphone or tablet
If streaks adhere to the paper, change the setting with <Special Printing Mode D>
Special Printing Mode I
Only select <On> if paper jams frequently when performing 2-sided printing on lightweight paper or on curled
paper.
Off
On
<Menu> <Adjustment/Maintenance>
<On>
Setting Menu List
<Special Processing>
<Special Processing>
<On>
<Special Processing>
528
<Special Printing Mode C>
<Special Printing Mode D>
<Copy>.
<Special Printing Mode I>