KX-MB2000RUB, KX-MB2000RUW, KX-MB2020RUB, KX-MB2020RUW, KX-MB2030RUB, KX-MB2030RUW - Panasonic Fax Service Manual (repair manual). Page 2

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KX-MB2000RUB/KX-MB2000RUW/KX-MB2020RUB/KX-MB2020RUW/KX-MB2030RUB/KX-MB2030RUW
TABLE OF CONTENTS
PAGE
PAGE
1 Safety Precautions -----------------------------------------------5
1.1. For Service Technicians ----------------------------------5
1.2. AC Caution---------------------------------------------------5
1.3. Personal Safety Precautions ----------------------------6
1.3.1. Moving Sections of the Unit-------------------------6
1.3.2. Live Electrical Sections ------------------------------6
1.4. Service Precautions ---------------------------------------6
1.4.1. Precautions to Prevent Damage from
Static Electricity ----------------------------------------6
2 Warning --------------------------------------------------------------7
2.1. About Lead Free Solder (PbF: Pb free) --------------7
2.1.1. Suggested PbF Solder -------------------------------7
2.2. Discarding of P. C. Board --------------------------------8
2.3. Insulation Resistance Test -------------------------------8
2.4. Battery Caution ---------------------------------------------8
2.5. Laser Beam And Fuser Unit Section ------------------8
3 Specifications ------------------------------------------------------9
4 General/Introduction ------------------------------------------- 10
4.1. Optional Accessories------------------------------------ 10
4.2. Translation Lists ------------------------------------------ 10
4.2.1. Help Function----------------------------------------- 10
4.2.2. Error Message (Report)---------------------------- 10
4.2.3. Error Message (Display)--------------------------- 11
5 Features ------------------------------------------------------------ 12
5.1. General Features----------------------------------------- 12
5.2. Hardware Requirements for Multi-Function
Software ---------------------------------------------------- 12
6 Technical Descriptions---------------------------------------- 13
6.1. Connection Diagram------------------------------------- 13
6.2. General Block Diagram--------------------------------- 14
6.3. Main Board Section-------------------------------------- 16
6.3.1. Data Flow---------------------------------------------- 16
6.3.2. RTC Backup Circuit (KX-MB2020/2030
ONLY) -------------------------------------------------- 25
6.3.3. Modem Circuit Operation (KX-MB2020/
2030 ONLY)------------------------------------------- 26
6.3.4. TEL Line Section (KX-MB2020/2030
ONLY) -------------------------------------------------- 27
6.4. NCU Section (KX-MB2020/2030 ONLY) ----------- 28
6.4.1. General ------------------------------------------------ 28
6.4.2. EXT. TEL. Line Relay (RLY100) ----------------- 28
6.4.3. Bell Detection Circuit ------------------------------- 28
6.4.4. Calling Line Identification Circuit (Russian
CID) ----------------------------------------------------- 29
6.4.5. Remote FAX Activation Circuit ------------------- 29
6.4.6. TAM Interface Circuit ------------------------------- 29
6.5. ITS (Integrated telephone System) and
Monitor Section (KX-MB2020/2030 ONLY)-------- 30
6.5.1. General ------------------------------------------------ 30
6.6. CIS Control Section-------------------------------------- 31
6.7. Motor Drive Section-------------------------------------- 32
6.7.1. Engine Motor Control Circuit --------------------- 32
6.7.2. Scanner Motor Drive Circuit ---------------------- 33
6.8. Timing chart and wave form of scanner
motors------------------------------------------------------- 37
6.8.1. Normal 1-2 phase excitation (half step)-------- 37
6.8.2. Flat torque 1-2 phase excitation (half step) --- 38
6.8.3. W1-2 phase excitation (Quarter step) ---------- 39
6.8.4. Drive mode of FB and ADF motor -------------- 40
6.9. FAN Motor Section -------------------------------------- 40
6.9.1. General ------------------------------------------------ 40
6.9.2. Circuit Diagram of FAN ---------------------------- 41
6.9.3. Fan Control ------------------------------------------- 41
6.9.4. Control table------------------------------------------ 42
6.9.5. Waveform --------------------------------------------- 42
6.10. Solenoid Driver Section -------------------------------- 43
6.11. LSU (Laser Scanning Unit) Section----------------- 44
6.12. Sensors and Switches Section----------------------- 46
6.12.1. Drum Detection  ------------------------------------- 47
6.12.2. Pickup Sensor --------------------------------------- 47
6.12.3. Exit Sensor ------------------------------------------- 48
6.12.4. Home Sensor ---------------------------------------- 48
6.12.5. Read Position Sensor (KX-MB2030
ONLY)-------------------------------------------------- 49
6.12.6. Registration & Manual Paper Sensor ---------- 50
6.12.7. Print Timing Sensor -------------------------------- 50
6.12.8. Document Sensor (KX-MB2030 ONLY)------- 51
6.12.9. Top Cover Sensor----------------------------------- 51
6.12.10. Toner Sensor.... “Toner Empty”, “Toner
Low”, “Change Drum”------------------------------ 52
6.12.11. Handset Hook Switch (KX-MB2020/2030
ONLY)-------------------------------------------------- 55
6.13. Operation Board Section ------------------------------ 55
6.14. LCD Section----------------------------------------------- 56
6.15. HVPS (High Voltage Power Supply) Section ----- 57
6.15.1. HVPS Specification--------------------------------- 57
6.15.2. CHG-BIAS (Charge BIAS)/GRID/ UNIT------- 57
6.15.3. DEV DC BIAS UNIT-------------------------------- 58
6.15.4. DEV AC BIAS UNIT -------------------------------- 58
6.15.5. TRA (+) BIAS (Transfer (+) BIAS)/TRA (-)
BIAS (Transfer (-) BIAS) UNIT------------------- 58
6.16. Heat Lamp Control Circuit----------------------------- 59
6.17. Main Board Section ------------------------------------- 64
6.18. Power Supply Board Section ------------------------- 67
6.19. Mechanical Operation ---------------------------------- 68
6.19.1. Printing ------------------------------------------------ 68
6.19.2. Scanning (ADF) (KX-MB2030 ONLY) --------- 69
7 Location of Controls and Components ----------------- 70
7.1. Overview --------------------------------------------------- 70
7.1.1. Front view--------------------------------------------- 70
7.1.2. Rear view --------------------------------------------- 71
7.2. Control Panel --------------------------------------------- 71
8 Installation Instructions -------------------------------------- 72
8.1. Installation ------------------------------------------------- 72
8.1.1. Installation Space ----------------------------------- 72
8.1.2. OUTPUT TRAY-------------------------------------- 73
8.1.3.  RECORDING PAPER----------------------------- 74
8.1.4. Documents the Unit Can Send ------------------ 78
8.1.5. Toner Cartridge and the Drum Cartridge------ 79
8.1.6. Connecting to a computer ------------------------ 83
8.1.7.  Installing Multi-Function Station ---------------- 83
8.2. Connections----------------------------------------------- 85
9 Operating Instructions---------------------------------------- 87
9.1.  Your Logo (KX-MB2020/2030 ONLY)-------------- 87
9.1.1. To Select Characters with the Dial Keypad--- 88
9.1.2. To Select Characters Using [] or []-------------- 88
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