Canon MF211 Manual page 240

Special Mode V
Adjust this setting if the print paper curls or wrinkles.
Off
Mode 1
Mode 2
Mode 3
<Adjustment/Maintenance>
the mode
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>, <Plain L>, <Recycled>, <Color>, or <Envelope>
After the setting is enabled
Print speed is slower.
Special Mode Z
Adjust this setting if streaks adhere to the print paper.
Off
Mode 1
Mode 2
Mode 3
Mode 4
<Adjustment/Maintenance>
the mode
After the setting is changed
By specifying <Off> or <Mode 1>, streaks may adhere to the print paper. By specifying <Mode 3> or <Mode 4>, outlines may be
blurred or images may appear somewhat grainy. The print density becomes lighter as the setting progresses from <Off> to <Mode
4>.
After printing from a smartphone or tablet
<Special Processing>
<Special Processing>
<Special Mode V>
<Special Mode Z> Select
Select