Acer S2W 3300U Service Manual - Page 45

Window Glass Figure7-4 7.4. Scan Module Section (1) Removing scan module A. Remove scan Book-cover. B. Remove assy case up section. C. Lift the Shaft-seat up of the Case-Low. D. Pull the belt out of the clutch of the scan module in the direction shown in Fig.7-5. E. Remove the assembly Fig.7-6 of the shaft shaft-seat and scan module from the scanner base by lifting the front edge of the shaft and taking the end edge of the shaft apart from the base as the diagram below. F. Remove the shaft with slight rotation clockwise.