Use a 2.0mm Allen wrench to loosen the two screws on the right side of the back cover. Use a 3.0mm Allen wrench to loosen the three screws on the top of the back cover.
Use a 2.5mm Allen wrench to loosen the remaining two screws on the top of the back cover. Use a 2.0mm Allen wrench to loosen the three screws on the bottom of the back cover.
Use a 2.0mm Allen wrench to loosen the two screws on the left side of the back cover. Lay the cover flat and remove it.
Disconnect the UV light connector and remove the back cover assembly.
Use diagonal pliers to cut the zip ties securing the cables. Use a 3.0mm Allen wrench to loosen the two screws securing the right-side cooling fan. Note: Use tweezers to remove the loosened screws.
Place the right-side fan on its side, tilt the machine forward, and disconnect the air purifier adapter board connector.
Use a 2.5mm Allen wrench to loosen the four screws securing the air purifier adapter board. Remove the old adapter board.
Take out the new air purifier adapter board, align the screw holes and place it in the installation position with the cable connector facing down. Use a 2.5mm Allen wrench to tighten the four screws securing the adapter board.
Use tweezers to insert the two fixing screws into the screw holes on the cooling fan. Align the screw holes and install the right-side cooling fan back in place.
Use a 3.0mm Allen wrench to tighten the two screws securing the right-side cooling fan. Organize the cables properly and secure them with zip ties.
Place the back cover assembly in the installation position and reconnect the UV light connector.
Install the back cover back in place. Use a 3.0mm Allen wrench to tighten the three screws on the top of the back cover.
Use a 2.5mm Allen wrench to tighten the remaining two screws on the top of the back cover. Use a 2.0mm Allen wrench to tighten the three screws on the bottom of the back cover.
Use a 2.0mm Allen wrench to tighten the four screws on the left and right sides.
Power on the printer and go to “Tool -> Exposure -> Next” on the touch screen.
Check if the LCD screen displays the correct pattern and if the air purifier is functioning properly.