Fax SpecificationsItem MC853/MC873/ES8453/ES8473Compatibility ITU-T G3/Super G3Compression method MH, MR, MMR, JBIGModem speed Up to 33.6 KbpsLines PSTN, PBXLine interface RJ11 x 2 (Line/TEL)DocumentsizeADF A3, A4 , A4 , A5 , B4, B5 , Tabloid, Letter , Letter , Legal13/13.5/14, Statement , FolioDocumentglassA3, A4 , A4 , A5 , B4, B5 , Tabloid, Letter , Letter , Legal13/13.5/14, Statement , FolioTransmission speed Approx. 2 seconds/page (ITU-T, MMR, Normal)Stored documentMemory size8 MBStorage documentcapacityUp to 400 pages (ITU-T no.1, MMR, Normal)Resolution Normal 8 dots x 3.85 line/mmFine 8 dots x 7.7 line/mmPhoto 8 dots x 7.7 line/mmExtra-Fine 8 dots x 15.4 line/mm1040