Please check the following points:

• Is the paper damp? Check the paper and replace it if necessary.
• Are you using warped paper? Replace the paper.
• Confirm that your printer driver settings are correct.
• Is the paper tray properly inserted into the printer? Push the paper tray completely back into the printer.
• Is there paper or a foreign object jammed in the printer? Turn the power off and remove the jammed paper or foreign object.
• Is the transfer roll cartridge properly installed in the printer? Make sure that the transfer roll cartridge is properly installed.