Canon MF244dw User Manual page 335

Mode J>
When set to <On>.
The following may occur.
● Definition may be affected
● Toner appears in non-print areas when using a new toner cartridge
● Toner cartridge may be used up more quickly
Special Printing Mode K
If toner does not adhere adequately and printouts are faded, select <On>.
Off
On
Mode K>
When set to <On>
Print speed is slower.
Clean Fixing Assembly
Clean the fixing assembly after a toner cartridge is replaced or if black streaks appear on printouts.
Assembly(P. 383)
Setting Menu List
<Adjustment/Maintenance>
<On>
<Adjustment/Maintenance>
<On>
<Special Processing>
<Special Processing>
329
<Special Printing
<Special Printing
Fixing