CONTENTS
10.1 Telephone System..................................................................................................10-1
10.1.1 Converting and Sending Voice in the Form of Electrical Signals................................................ 10-1
10.1.2 Analog and Digital Signals.......................................................................................................... 10-3
10.2 Telephone Call Connection Mechanism.................................................................10-5
10.2.1 Analog Telephone Network......................................................................................................... 10-5
10.2.2 Telephone Call Connection Mechanism .....................................................................................10-6
10.3 Terminology............................................................................................................10-9
10.4 FAX System (Overview).......................................................................................10-10
10.5 Unit Mechanisms..................................................................................................10-11
10.6 FAX Standards (ITU-T Recommendations)..........................................................10-14
10.7 Fault Isolation Procedure for FAX ........................................................................10-15
10.7.1 Fault Occurs.............................................................................................................................. 10-15
10.7.2 Send Fault................................................................................................................................. 10-15
10.7.3 Receive Fault............................................................................................................................ 10-16
10.8 Other Problems ....................................................................................................10-18
10.9 Functions of SCANNER ASSY.............................................................................10-19
10.9.1 Document Scanning.................................................................................................................. 10-19
10.9.2 Document Scanning at Platen (IIT)........................................................................................... 10-19
10.9.3 Document Scanning at DADF................................................................................................... 10-20
10.10 Paper Path..........................................................................................................10-21
10.10.1 Paper Path of DADF (Simplex)............................................................................................... 10-21
10.10.2 Paper Path of DADF (Duplex)................................................................................................. 10-22
10.11 Functions of Major Functional Components.......................................................10-23
10.11.1 UI (User Interface) and AIO Engine........................................................................................ 10-23
10.11.2 Scanner................................................................................................................................... 10-24
10.11.3 Data Flow................................................................................................................................ 10-28
10.12 Control................................................................................................................10-29
10.12.1 Document Scanning Steps ..................................................................................................... 10-29
10.12.2 System Configuration.............................................................................................................. 10-30
10.13 Drive Transmission Route of DADF Motor .........................................................10-31
10.13.1 DADF Motor............................................................................................................................ 10-31