Canon imageCLASS MF273dw User Manual page 512

Is the Machine Installed in a Location Subject to Strong Wind Such as from an Air
Conditioner?
If so, adjust the air direction and volume of the air conditioner.
If that does not work, setting [Switch Paper Feed Method] to [Print Side Priority] may improve the problem.
Touch Panel Model
[Home] on the operation panel
[Switch Paper Feed Method]
5 Lines LCD Model
[Home] on the operation panel
Feed Settings]
* When you select [Print Side Priority], the printing speed for 1-Sided printing will decrease.
Troubleshooting
[Menu] [Function Settings]
[Drawer 1] [Print Side Priority]
[Menu]
[Switch Paper Feed Method]
503
[Common]
[Function Settings]
[Drawer 1] [Print Side Priority]
[Paper Feed Settings]
[Common] [Paper