KX-MC6020RU, KX-FAP317A, KX-FAB318A - Panasonic Fax Service Manual (repair manual). Page 2

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1 Safety Precautions -----------------------------------------------3

1.1. For Service Technicians  ---------------------------------3
1.2. AC Caution---------------------------------------------------3
1.3. Personal Safety Precautions ----------------------------4
1.4. Service Precautions ---------------------------------------5

2 Warning --------------------------------------------------------------5

2.1. About Lead Free Solder (PbF: Pb free) --------------5
2.2. Discarding of P. C. Board --------------------------------6
2.3. Insulation Resistance Test  ------------------------------6
2.4. Battery Caution ---------------------------------------------6
2.5. Laser Beam and Fuser Unit Section ------------------7

3 Specifications ------------------------------------------------------8
4 General/Introduction ---------------------------------------------9

4.1. Optional Accessories--------------------------------------9
4.2. Translation Lists ------------------------------------------ 10
4.3. Precautions for Shipping ------------------------------- 12

5 Features ------------------------------------------------------------ 25

5.1. General Features----------------------------------------- 25
5.2. Hardware Requirements for Multi-Function

Software ---------------------------------------------------- 25

6 Technical Descriptions---------------------------------------- 26

6.1. Connection Diagram------------------------------------- 26
6.2. General Block Diagram--------------------------------- 27
6.3. Main Board Section-------------------------------------- 30
6.4. NCU Section----------------------------------------------- 48
6.5. ITS (Integrated Telephone System) and

Monitor Section ------------------------------------------- 49

6.6. CIS Control Section-------------------------------------- 50
6.7. Motor Drive Section-------------------------------------- 51
6.8. Timing Chart and Waveform of Scanner

Motors------------------------------------------------------- 60

6.9. Timing Chart and Waveform of Optional Unit

Motors------------------------------------------------------- 64

6.10. Fan Section ------------------------------------------------ 65

6.11. Solenoid Driver Section -------------------------------- 67

6.12. LSU (Laser Scanning Unit) Section ----------------- 68
6.13. Sensors and Switches Section ----------------------- 73
6.14. Operation Board Section ------------------------------- 96
6.15. LCD Section ----------------------------------------------- 97
6.16. Heat Lamp Control Circuit ----------------------------- 98
6.17. HVU (High Voltage Power Supply Board)

Section ---------------------------------------------------- 102

6.18. Main Board Section------------------------------------ 107
6.19. PSU (Low Voltage Power Supply Board)

Section -----------------------------------------------------111

6.20. Mechanical Operation----------------------------------112

7 Location of Controls and Components---------------- 129

7.1. Overview ------------------------------------------------- 129
7.2. Control Panel-------------------------------------------- 130

8 Installation Instructions------------------------------------- 131

8.1. Installation------------------------------------------------ 131
8.2. Connections --------------------------------------------- 145

9 Operating Instructions -------------------------------------- 147

9.1.  YOUR LOGO------------------------------------------- 147

10 Test Mode-------------------------------------------------------- 149

10.1. Test Functions------------------------------------------- 149

11 Service Mode --------------------------------------------------- 152

11.1. Programming and Lists ------------------------------- 152

11.2. User Mode (The list below is an example of

the SYSTEM SETUP LIST the unit prints out.) -158

11.3. Service Mode Settings (Example of a printed

out list)-----------------------------------------------------160

11.4. History -----------------------------------------------------161

12 Troubleshooting Guide --------------------------------------163

12.1. User Recoverable Errors -----------------------------163
12.2. User Recoverable Network Errors -----------------166
12.3. Remote Programming ---------------------------------169
12.4. Troubleshooting Details ------------------------------- 175
12.5. Recording Paper Jam ---------------------------------295
12.6. Document Jams (Automatic Document

Feeder) ----------------------------------------------------301

13 Service Fixture & Tools--------------------------------------304
14 Disassembly and Assembly Instructions -------------305

14.1. First of All -------------------------------------------------305
14.2. Flow Chart for Disassembly--------------------------309
14.3. Disassembly for Main Parts -------------------------- 311
14.4. Disassembly for Main Drive Unit--------------------328
14.5. How to Remove STR ----------------------------------340
14.6. Note for Assembling -----------------------------------342
14.7. Installation Position of the Lead---------------------347

15 Measurements and Adjustments -------------------------356

15.1. Color Registration Skew Adjustment -------------- 356

16 Maintenance-----------------------------------------------------359

16.1. Maintenance Items and Component Locations -359
16.2. Maintenance ---------------------------------------------361
16.3. Terminal Guide of the ICs, Transistors and

Diodes -----------------------------------------------------365

16.4. How to Replace the Flat Package IC -------------- 368
16.5. Main Board Section ------------------------------------370
16.6. Test Chart-------------------------------------------------372

17 Schematic Diagram -------------------------------------------374

17.1. For Schematic Diagram------------------------------- 374
17.2. Main Board -----------------------------------------------376
17.3. Sensor Board --------------------------------------------402
17.4. Scanner Board ------------------------------------------403
17.5. Operation Board ----------------------------------------404
17.6. High Voltage Power Supply Board -----------------406
17.7. Low Voltage Power Supply Board------------------409
17.8. Optional ADU Board -----------------------------------410
17.9. Optional OPF Board ----------------------------------- 411

17.10. Optional Hook Switch Board-------------------------412

18 Printed Circuit Board-----------------------------------------413

18.1. Main Board -----------------------------------------------413
18.2. Sensor Board --------------------------------------------415
18.3. Scanner Board ------------------------------------------419
18.4. Operation Board ----------------------------------------421
18.5. High Voltage Power Supply Board -----------------423
18.6. Low Voltage Power Supply Board------------------425
18.7. Optional ADU Board -----------------------------------427
18.8. Optional OPF Board -----------------------------------427
18.9. Optional Hook Switch Board-------------------------429

19 Exploded View and Replacement Parts List----------430

19.1. Cabinet, Mechanical and Electrical Parts

Location ---------------------------------------------------430

19.2. Replacement Parts List ------------------------------- 459