Specifications- 172 - Internet Fax Specifications Scanner Specifications Scan To E-mail Specifications Scan To Network PC SpecificationsMB461/ES4161 MFP MB471 MB491/ES4191 MFPCommunicationprotocolN/A SMTP, POP3, MIMEFile format N/A TIFFMB461/ES4161 MFP MB471 MB491/ES4191 MFPScanner type Document Glass with ADF functionImage sensor Color CISLight source LEDDocumentthicknessADF 60 to 105 g/m2 (16 to 28 lb)Documentglass20 mmADF document capacity 50 sheets (80 g/m2)ScanningareaADF 105 x 148 - 215.9 x 355.6 mm (4.13 x 5.8 - 8.5 x 14 inches)Documentglass105 x 148 - 215.9 x 296.9 mm (4.13 x 5.8 - 8.5 x 11.69 inches)ScanningspeedColor Approx. 6 seconds/page (A4, 300 x 300 dpi, ADF simplex)Gray Approx. 2 seconds/page (A4, 300 x 300 dpi, ADF simplex)MB461/ES4161 MFP MB471 MB491/ES4191 MFPCommunicationprotocolSMTP, POP3, MIMEFile format PDF (supported Encryption), M-TIFF (RAW/G3/G4 compressed), JPEG (JFIF) (color/grayscale only), XPSMail serverauthenticationSMTP-AUTH, POP3Supported mail serverapplicationLotus Domino Mail Server 5.0, Microsoft Exchange 2000 Server, Microsoft Exchange2003 Server, Microsoft Exchange 2007 Server, Red Hat 7.0 SendmailSupported LDAP server Windows Server 2008 Active Directory, Windows Server 2003 ActiveDirectory,Windows 2000 Server Active Directory, Lotus Notes/Domino 7.0Supported mailapplicationMicrosoft Office Outlook 2000, Microsoft Outlook Express 5.0/6.0, Windows Mail(Windows Vista), Windows Live Mail, Mail (MAC built-in application), Lotus Notes/Domino R5MB461/ES4161 MFP MB471 MB491/ES4191 MFPCommunicationprotocolFTP, HTTP, CIFSFile format PDF (supported Encryption), M-TIFF (RAW/G3/G4 compressed), JPEG (JFIF) (color/grayscale only), XPS