[. . . ] Also flashes while searching for wireless LAN access point during setup and when connecting to the access point. The LED and lamps on the Operation Panel other than the POWER lamp will go out if the machine is not operated for about 5 minutes. To restore them, press any button except the ON button or perform the print operation. Do not plug in or unplug the USB cable while the machine is printing or scanning originals with the computer. [. . . ] "Moire" is a phenomenon where uneven gradation or a stripe pattern appears when such photos or pictures printed with fine dots are scanned. You cannot select this checkbox when Document Type is Color Photo, Black and White Photo or Text(OCR). Select this checkbox to correct shadows that appear between pages when scanning open booklets. You cannot select this checkbox when Auto Detect, Auto Detect (Multiple Documents) or Stitch Assist is selected for Document Size. You cannot select this checkbox when Compress scanned images when transferring checkbox is selected on the " General Tab" of the Preferences dialog box. When scanning, align a corner of the document with the corner at the arrow (alignment mark) of the Platen. Use ScanGear (scanner driver)'s Advanced Mode tab to correct gutter shadows when scanning non-standard size documents or when custom cropping frames are set. You cannot select this checkbox when Document Type is Color Photo, Black and White Photo or Text(OCR). Select this checkbox when Document Type is text document and show-through is apparent in the scanned image. Select this checkbox to detect the scanned text and correct the angle (within -0. You cannot select this checkbox when Document Type is Color Photo or Black and White Photo. When Opened from the View & Use Window, PDF(Add Page) cannot be selected. Select this checkbox to open the Password Security -Settings dialog box in which you can set passwords for opening, editing and printing created PDF files. This is displayed when you select PDF(Add Page) for Save as type and specify the PDF file to which images are added. When saving multiple files as separate PDF files, 4 digits are appended to each file name. windows 7: MP Navigator EX folder in My Pictures folder Windows Vista: MP Navigator EX folder in Pictures folder Windows XP: MP Navigator EX folder in My Pictures folder Save to a Subfolder with Current Date Select this checkbox to create a subfolder in the folder specified in Save in with the current date and save scanned files in it. a subfolder with a name such as "2010_01_01" (Year_Month_Date) will be created. If this checkbox is not selected, files are saved directly in the folder specified in Save in. In the PDF Settings dialog box, you can specify the PDF compression type and other advanced settings for creating PDF files. Only the Security setting is available for images with resolutions outside the range of 75 dpi to 600 dpi. Select this checkbox to detect the orientation of the document from the scanned text and rotate the scanned image to the correct orientation. This function may not work properly depending on the document language. [. . . ] Note that the number of channels that can be used for your wireless LAN varies depending on the region or country. The router or the access point assigns an IP address automatically whenever the printer or the personal computer on a network starts up. To prevent, you can use the firewall function of a broadband router, the security software installed in the computer, or operation system for computer. Even when using two or more antennas simultaneously or obtaining a bigger transfer rate than before by using multiple communication channels at the same time, the transmission speed may be influenced by the connected apparatus. [. . . ]