Kyocera FS-1020D Operation Manual page 72

4
Take the new toner container from the bag. Hold it with the
protective seal (orange-colored) facing up. Shake the toner container
horizontally at least 5 times. This ensures that the toner is evenly
distributed inside.
New Toner Container
Figure 2-4
5
Carefully remove the protective seal (orange-colored).
Figure 2-5
Protective Seal
2-4
Toner Container Replacement