3.4.2 Scanner Mechanism 3-11
3.4.3 Printer Mechanism 3-11
3.4.5 Development Process 3-13
3.4.6 Recording Timing Diagram 3-14
Chapter 4 ELECTRICAL DESCRIPTION
4.1 Connetingion Diagram 4-1
4.2 Inter-Unit Signal Diagram 4-8
4.3 Printed Board Assembly View 4-11
4.4 PBA Circuit Description 4-12
4.4.1 Main PBA 4-12
4.4.2 OPE PBA 4-13
4.4.3 Scan PBA 4-13
4.4.4 LIU PBA 4-13
4 4.5 Mother PBA 4-14
4.4.6 Connetingion PBA 4-14
4.4.7 Mech PBA 4-14
4 4.8 Sensor PBA 4-15
4.4.9 Hook PBA 4-15
4.4.10 SMPS 4-15
4.4.11 HVPS 4-15
4.5 Sensors 4-16
4.5.1 Sensor Location 4-16
4.5.2 Sensor Table 4-16
Chapter 5 MAINTENANCE & TROUBLESHOOTING
5.1 Preventive Maintenance 5-1
5.2 Diagnostics 5-1
5.2.1 Error Messages 5-1
5.2.2 Test Mode 5-4
5.2.3 Maintenance List 5-5
5.3 Remote Diagnosis and Control 5-6
5.4 Troubleshooting Guide 5-10
5.4.1 Telephone Screening 5-10
5.4.2 Recommended Flow For Telephone Screening 5-11
5.4.3 Overall Troubleshooting 5-14
5.4.4 System Not Initialized (System reset) 5-15
5.4.5 Trouble in Copy Mode 5-16
5.4.6 Trouble in Transmission 5-17
5.4.7 Trouble in Manual Reception Mode 5-18
5.4.8 Trouble in Tel/Fax Auto-Switching 5-19
5.4.9 Trouble in Ans/Fax Auto-Switching 5-20
5.4.10 Trouble in Telephone Operation 5-21
5.4.11 Trouble in OGM Recording/Playing 5-22
5.4.12 NO Printing of the Image (AII white printed) 5-23
5.4.13 Pale/Weak Image Ouality 5-25
5.4.14 High Background Density 5-26
5.4.15 Uneven Density 5-27
5.4.16 All Black Printed 5-28
5.4.17 Black Vertical Line 5-29
5.4.18 Black Horizontal Line 5-30
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