Tools and materials needed
●2.5mm Allen wrench
●2.0mm Allen wrench
Operation steps
1. Use a 2.5mm Allen wrench to loosen the 3 screws fixed on the front cover of the printer base.
2. Use a 2.0mm Allen wrench to loosen the 3 screws fixed on the left side of the front cover of the printer base.
3. Use a 2.0mm Allen wrench to loosen the 3 screws fixed on the right side of the front cover of the printer base.
4. Use a 2.0mm Allen wrench to loosen the 3 screws fixed under the front cover of the printer base. Use a 2.5mm Allen wrench to loosen 1/2 of the 2 screws on the left and right sides of the middle plate. Take out the middle plate and lay it flat on the desktop.
5. Tear off the cable tape on the side of the touch screen, lift the cover of the touch screen cable holder, remove the touch screen cable, and use a 2.0mm Allen wrench to loosen the 4 screws fixing the touch screen.
6. Remove the old touch screen.
7. Take out the new touch screen and peel off the protective film.
8. Install the touch screen back to its original position, align the mounting screw holes, and use a 2.0mm Allen wrench to tighten the 4 fixing screws. (Note: The silk screen on the back of the touch screen should be facing up and aligned with the side of the metal threaded hole to prevent it from being installed upside down)
9. Reinstall the touch screen cable, fasten the cover at one end of the touch screen, and glue the tape back after fastening.
10. Reinstall the front panel and use a 2.5mm Allen wrench to tighten the fixing screws on the left and right sides of the middle plate.
11. Use a 2.0mm Allen wrench to tighten the 3 fixing screws on the left panel, and use a 2.0mm Allen wrench to tighten the 3 fixing screws on the right panel.
12. Use a 2.0mm Allen wrench to tighten the 3 Allen screws on the base plate.
13. Power on, and operate the buttons on the touch screen. If the touch screen responds normally, it can be used normally.