Please check the following points:
- Is the transparency sheet suitable?
Use transparency sheets suitable for use with this printer.
- Is the media properly loaded into the multi-purpose tray?
Make sure that the transparency sheets are properly loaded into the multi-purpose tray.
- Is the printer driver configured to print transparency sheets?
Set the printer driver for transparency sheets on the "Paper/Output" tab (in Windows®) or the "page Setup" dialog box (with Macintosh®).