- 2.5mm Allen key x 1
- 2.0mm Allen key x 1
- Marker pen x 1
- Dust-free cloth
- A pair of pliers
- Using a 2.5 mm Allen key, loosen the three screws securing the upper part of the front cover of the printer base.
- Using a 2.0 mm Allen key, loosen the three screws securing the left part of the front cover of the printer base.
- Using a 2.0 mm Allen key, loosen the three screws securing the right part of the front cover of the printer base.
- Using a 2.0 mm Allen key, loosen the three screws securing the lower part of the base front cover. Using a 2.5mm Allen key, loosen the two screws at the right and left side of the red middle housing. Remove the touchscreen and lay it flat on the table.
- Peel off the tape securing the ribbon cables of the LCD screen. Lift the cover securing the base of the LCD screen. Remove the ribbon cable of the LCD screen.
Ribbon cables of the LCD screen
- Using a 2.0mm Allen key, loosen the two screws securing the cable clip. Remove the cable clip.
- Mark the connector of the connection cable of the motherboard (photos can be taken for reference) to facilitate subsequent installation and prevent plugging into the wrong ports. Remove sequentially the limit switch cable, the USB connector cable, the connection cable of the cooling fan, the motor ribbon cable and the adapter cable from the motherboard to the constant current board.
- Using a 2.5 mm Allen key, remove the eight screws securing the middle housing. Remove the middle housing. Remove the cable clip. Pull the cable with caution. Do not break the cables.
- Using a 2.5 mm Allen key, loosen the four screws securing the PCB board. Remove the PCB board and the connection cable.
- Prepare the new PCB board. Insert the connection cable into the PCB board.
- Align the PCB board with the screw holes and install it in the installation position. Using a 2.5 mm Allen key, tighten the four screws securing the PCB board.
- Wipe the reflective mirror surface with a lint-free cloth to prevent fingerprints and dirt. Organize the cables and secure them with a cable clip. Install the printer's middle housing onto the printer base.
- According to the markers, connect sequentially limit switch cable, the USB connector cable, the connection cable of the cooling fan, the motor ribbon cable and the adapter cable from the motherboard to the constant current board.
- Install the cable clip. Using a 2.0mm Allen key, tighten the two screws securing the cable clip.
- Lift the LCD ribbon cable cover. Connect the LCD ribbon cable and close the cover. Secure the black tape.
Ribbon cables of the LCD screen
- Install the front cover of the touchscreen. Using a 2.5 mm Allen key, tighten the eleven screws securing the middle housing of the printer.
- Using a 2.0 mm Allen key, tighten the three screws securing the left part of the front cover of the printer base. Using a 2.0mm Allen key, secure the three screws securing the right side of the front cover of the printer base.
- Using a 2.0 mm Allen key, tighten the three screws securing the lower part of the printer base.
- Insert the air purifier into the USB port. On the touchscreenm select Tool - Exposure - Next. The air purifier works normally when the exposure is conducted. The printer is ready for use.
