Read Panasonic KX-MB1900UCB / KX-MB2020UCB (serv.man2) Service Manual online
2
KX-MB1900UCB/KX-MB2020UCB
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
1.2. 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
1.3.2. 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
2.6. Note for Repairing------------------------------------------9
2.3. Insulation Resistance Test -------------------------------8
2.4. Battery Caution ---------------------------------------------8
2.5. Laser Beam And Fuser Unit Section ------------------8
2.6. Note for Repairing------------------------------------------9
3 Specifications ---------------------------------------------------- 10
4 General/Introduction ------------------------------------------- 11
4 General/Introduction ------------------------------------------- 11
4.1. Optional Accessories------------------------------------ 11
4.2. Translation Lists ------------------------------------------ 11
4.2. Translation Lists ------------------------------------------ 11
4.2.1. Help Function----------------------------------------- 11
4.2.2. Error Message (Report)---------------------------- 11
4.2.3. Error Message (Display)--------------------------- 12
4.2.2. Error Message (Report)---------------------------- 11
4.2.3. Error Message (Display)--------------------------- 12
5 Features ------------------------------------------------------------ 13
5.1. General Features----------------------------------------- 13
5.2. Hardware Requirements for Multi-Function
5.2. Hardware Requirements for Multi-Function
Software ---------------------------------------------------- 13
6 Technical Descriptions---------------------------------------- 14
6.1. Connection Diagram------------------------------------- 14
6.2. General Block Diagram--------------------------------- 15
6.3. Main Board Section-------------------------------------- 17
6.2. General Block Diagram--------------------------------- 15
6.3. Main Board Section-------------------------------------- 17
6.3.1. Data Flow---------------------------------------------- 17
6.3.2. RTC Backup Circuit--------------------------------- 26
6.3.3. Modem Circuit Operation (KX-MB2020
6.3.2. RTC Backup Circuit--------------------------------- 26
6.3.3. Modem Circuit Operation (KX-MB2020
ONLY) -------------------------------------------------- 27
6.3.4. TEL Line Section (KX-MB2020 ONLY) -------- 28
6.4. NCU Section (KX-MB2020 ONLY)------------------- 29
6.4.1. General ------------------------------------------------ 29
6.4.2. EXT. TEL. Line Relay (RLY100) ----------------- 29
6.4.3. Bell Detection Circuit ------------------------------- 29
6.4.4. Calling Line Identification Circuit (Russian
6.4.2. EXT. TEL. Line Relay (RLY100) ----------------- 29
6.4.3. Bell Detection Circuit ------------------------------- 29
6.4.4. Calling Line Identification Circuit (Russian
CID) ----------------------------------------------------- 30
6.4.5. Remote FAX Activation Circuit ------------------- 30
6.4.6. TAM Interface Circuit ------------------------------- 30
6.4.6. TAM Interface Circuit ------------------------------- 30
6.5. ITS (Integrated telephone System) and
Monitor Section (KX-MB2020 ONLY) --------------- 31
6.5.1. General ------------------------------------------------ 31
6.6. CIS Control Section-------------------------------------- 32
6.7. Motor Drive Section-------------------------------------- 33
6.7. Motor Drive Section-------------------------------------- 33
6.7.1. Engine Motor Control Circuit --------------------- 33
6.7.2. Scanner Motor Drive Circuit ---------------------- 34
6.7.2. Scanner Motor Drive Circuit ---------------------- 34
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
6.8.2. 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
6.9.2. 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. Registration & Manual Paper Sensor ---------- 49
6.12.6. Print Timing Sensor -------------------------------- 49
6.12.7. Top Cover Sensor----------------------------------- 50
6.12.8. Toner Sensor.... “Toner Empty”, “Toner
6.12.2. Pickup Sensor --------------------------------------- 47
6.12.3. Exit Sensor ------------------------------------------- 48
6.12.4. Home Sensor ---------------------------------------- 48
6.12.5. Registration & Manual Paper Sensor ---------- 49
6.12.6. Print Timing Sensor -------------------------------- 49
6.12.7. Top Cover Sensor----------------------------------- 50
6.12.8. Toner Sensor.... “Toner Empty”, “Toner
Low”, “Change Drum”------------------------------ 51
6.12.9. Handset Hook Switch (KX-MB2020 ONLY) -- 54
6.13. Operation Board Section ------------------------------ 54
6.14. LCD Section----------------------------------------------- 55
6.15. HVPS (High Voltage Power Supply) Section ----- 56
6.14. LCD Section----------------------------------------------- 55
6.15. HVPS (High Voltage Power Supply) Section ----- 56
6.15.1. HVPS Specification--------------------------------- 56
6.15.2. CHG-BIAS (Charge BIAS)/GRID/ UNIT------- 56
6.15.3. DEV DC BIAS UNIT-------------------------------- 57
6.15.4. DEV AC BIAS UNIT -------------------------------- 57
6.15.5. TRA (+) BIAS (Transfer (+) BIAS)/TRA (-)
6.15.2. CHG-BIAS (Charge BIAS)/GRID/ UNIT------- 56
6.15.3. DEV DC BIAS UNIT-------------------------------- 57
6.15.4. DEV AC BIAS UNIT -------------------------------- 57
6.15.5. TRA (+) BIAS (Transfer (+) BIAS)/TRA (-)
BIAS (Transfer (-) BIAS) UNIT------------------- 57
6.16. Heat Lamp Control Circuit----------------------------- 58
6.17. Main Board Section ------------------------------------- 63
6.18. Power Supply Board Section ------------------------- 66
6.19. Mechanical Operation ---------------------------------- 67
6.17. Main Board Section ------------------------------------- 63
6.18. Power Supply Board Section ------------------------- 66
6.19. Mechanical Operation ---------------------------------- 67
6.19.1. Printing ------------------------------------------------ 67
7 Location of Controls and Components ----------------- 68
7.1. Overview --------------------------------------------------- 68
7.1.1. Front view--------------------------------------------- 68
7.1.2. Rear view --------------------------------------------- 68
7.1.2. Rear view --------------------------------------------- 68
7.2. Control Panel --------------------------------------------- 69
8 Installation Instructions -------------------------------------- 70
8.1. Installation ------------------------------------------------- 70
8.1.1. Installation Space ----------------------------------- 70
8.1.2. OUTPUT TRAY-------------------------------------- 71
8.1.3. RECORDING PAPER----------------------------- 72
8.1.4. Documents the Unit Can Send ------------------ 77
8.1.5. Toner Cartridge and the Drum Cartridge------ 78
8.1.6. Connecting to a computer ------------------------ 82
8.1.7. Installing Multi-Function Station ---------------- 82
8.1.2. OUTPUT TRAY-------------------------------------- 71
8.1.3. RECORDING PAPER----------------------------- 72
8.1.4. Documents the Unit Can Send ------------------ 77
8.1.5. Toner Cartridge and the Drum Cartridge------ 78
8.1.6. Connecting to a computer ------------------------ 82
8.1.7. Installing Multi-Function Station ---------------- 82
8.2. Connections----------------------------------------------- 84
9 Operating Instructions---------------------------------------- 86
9.1. Your Logo (KX-MB2020 ONLY) --------------------- 86
9.2. To Select Characters with the Dial Keypad ------- 87
9.2. To Select Characters with the Dial Keypad ------- 87
9.2.1. To Select Characters Using [] or []-------------- 87
10 Test Mode --------------------------------------------------------- 88
10.1. Test Functions -------------------------------------------- 88
10.1.1. DTMF Single Tone Transmit Selection
(KX-MB2020 ONLY)-------------------------------- 90
10.1.2. Button Code Table (KX-MB2020) --------------- 90
10.1.3. Print Test Pattern------------------------------------ 91
10.1.3. Print Test Pattern------------------------------------ 91
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