Canon MF247dw User Manual page 534

To enable the setting
This setting is enabled in the following conditions.
● The paper size is set to <B5>, <A5>, <STMT>, or <EXEC>
● <Paper Type> is set to <Plain (16 lb Bond-23 lb Bond)>, <Plain L (16 lb Bond-23 lb Bond)>, <Recycled (16 lb
Bond-23 lb Bond)>, <Color (16 lb Bond-23 lb Bond)>, or <Envelope>
After the setting is enabled
Print speed is slower.
Special Printing Mode X
Adjust this setting if streaks adhere to the print paper.
Off
Mode 1
Mode 2
Mode 3
Mode 4
<Menu> <Adjustment/Maintenance>
Select the mode
Special Printing Mode Z
Adjust this setting if streaks adhere to the print paper output when copying or faxing.
Copy
Off
Mode 1
Mode 2
Mode 3
Mode 4
Fax
Off
Mode 1
Mode 2
Mode 3
Mode 4
<Menu> <Adjustment/Maintenance>
Select <Copy> or <Fax>
Setting Menu List
<Special Processing>
<Special Processing>
Select the mode
526
<Special Printing Mode X>
<Special Printing Mode Z>