To correct this problem, purchase a cartridge with the correct region that matches the printer region, or purchase a worldwide cartridge.
Worldwide or Undefined region
North America (United States, Canada)
European Economic Area, Western Europe, Nordic countries, Switzerland
Rest of Europe, Middle East, Africa
Australia, New Zealand
Note: To find the region settings of the printer and toner cartridge, print the print quality test pages. From the control panel, navigate to: Settings > Troubleshooting > Print Quality Test Pages.
The spots or blotches that you see on your prints may be caused by leaked toner or paper settings mismatch . Find out how you can prevent this printing issue from happening again.
Stop blank or white pages from appearing on your prints by checking for packing material in the imaging unit and redistributing the toner.