Canon MF211 - Page 243

Special Mode K
If toner does not adhere adequately and printouts are faded, select <On>.
Off
On
When set to <On>
Print speed is slower.
Clean the fixing assembly after a toner cartridge is replaced or if black streaks appear on printouts.
Fixing Assembly
<Adjustment/Maintenance> <Special Processing> <Special Mode K> <On>
Clean Fixing Assembly
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