User’s Guide Getting to Know Your Product WF-3620 Series/WF-3640 Series * Paper cassette 2 is only available for the WF-3640 Series. 19 a. ADF cover b. Automatic Document Feeder (ADF) c. Edge guide d. ADF input tray (place your originals here to be copied) e. ADF output tray (your originals are ejected here as they are copied) f. Paper cassette 1 g. Paper cassette 2 * a. Edge guides b. Rear paper feed slot c. Output tray d. Output tray extension e. Stopper f. Edge guides g. Paper cassette