Document number: 82JS-02Y
Update date: 2022-03-01
Canon - Troubleshooting (FAQ) > Troubleshooting > Paper Is Wrinkled/Curled > Paper Curls

Paper Curls

If paper curls, it may be caused by not using appropriate paper.

Are you using appropriate paper?

Check paper that can be used, and replace with appropriate paper. Paper that Can Be Used
Set the correct paper size and type.
Change the <Paper Curl Correction> setting.
Re-load the paper with the side to be printed on (the paper's front or back) reversed.
IMPORTANT
In rare cases, this might cause the symptoms to worsen depending on the paper used. In this instance, return the paper to the first side being printed on.

Are you using damp paper?

Check Precautions for Paper, and replace with appropriate paper.
Change <Paper Settings> to a lighter-weight paper setting. For example, if it was set to <Plain 1>, change the setting to <Thin 1>. Paper that Can Be Used
Change the <Paper Curl Correction> setting.

Are you using the machine in a high-humidity environment? (MF746Cdw / MF745Cdw / MF743Cdw / MF741Cdw)

Setting <Reduce Toner Fixing Stain 2> to <Mode 1> might improve results.
<Menu>  <Adjustment/Maintenance>  <Adjust Image Quality>  <Special Processing>  <Reduce Toner Fixing Stain 2>  Select the mode  <Yes>  
NOTE
When set to <Mode 1>, printing may be faint.