Wrinkles may appear in the paper when feeding 2-sided documents during the 2-sided printing process.
Check the following items if wrinkles appear in the paper frequently, and take the appropriate action.
The paper settings and the size of the paper in the feed tray do not match
Check the paper settings, or the size of the paper loaded into the feed tray, and make sure the correct paper size is being used.
The paper is not loaded correctly
The paper guide is not installed correctly
There is a problem with the condition of the paper
Use recently unsealed paper.
For details, refer to Using Paper.
If the symptoms do not improve after checking for the above items, it might be a result of a malfunction. Contact your service representative.