Canon MF269dw User Manual page 496

Specifying Paper Size and Type(P. 145)
Available Paper(P. 538)
● Reload the paper by changing the side to print on (front side/back side).
● In rare cases the symptom may become worse depending on the paper. If this occurs, change the side to
print on back to the previous side.
Are you using paper that has absorbed moisture?
● Replace with appropriate paper.
Loading Paper(P. 132)
Troubleshooting
489