- Power on the printer.
- Open the door for a few seconds and do a print job.
- Check for any piece of paper in the printer.
- After checking, install the paper and push the "Black" or "Color" Button.
- Take a sheet of normal paper A4. fold it in two and still in two.
- Power off the printer.
- Insert the folded paper behind the printer.
- Power on the printer. If there is a foreign object, it will be extrated by the folded paper.
- Push the red button during 5 seconds.