Follow the procedure below when replacing the air filter.
1 Turn off the projector power and remove the power plug.
2 Place your finger on the notch under the filter unit on the side of the projector and pull the filter unit out
![](/library/CANON/CITS_TECH_SUPPORT/Projectors/4K6020Z%20_%204K5020Z/s000315.png) |
![](/library/CANON/CITS_TECH_SUPPORT/Projectors/4K6020Z%20_%204K5020Z/s000316.png) |
3 Press up on the air filter from below and remove it from the air filter frame. |
![](/library/CANON/CITS_TECH_SUPPORT/Projectors/4K6020Z%20_%204K5020Z/s000317.png) |
4 Install a new air filter in the air filter frame. |
![](/library/CANON/CITS_TECH_SUPPORT/Projectors/4K6020Z%20_%204K5020Z/s000318.png) |
5 Securely insert the frame holding the air filter, all the way into the projector. |
![](/library/CANON/CITS_TECH_SUPPORT/Projectors/4K6020Z%20_%204K5020Z/s000319.png) |
• After air filter replacement, reset [Air filter counter]
• Handle the air filter carefully. If damaged, the air filter will not work properly.
• To purchase an air filter (part no: RS-FL05), contact the Canon Customer Support Center.