Acer S2W 3300U Service Manual - Page 44

Figure 7-3 (2) Cleaning the window glass The window glass is show in Fig.7-4. A. Ordinary cleaning a. Open the scan cover b. Clean the window glass outside surface with a soft cloth dipping in light alcohol. B. Special cleaning While the dust is appeared inside the window glass, a. Remove the scan cover. b. Remove the case-up by the foregoing process. c. Cleaning the window glass with a soft cloth dipped lightly in alcohol for outside and inside.