Panasonic KX-MB1900RUB / KX-MB1900RUW Service Manual ▷ View online
ORDER NO. KMF1006288CE
Multi-Function printer
Model No.
KX-MB1900RUB
KX-MB1900RUW
KX-MB1900RUW
(for Russia)
2
KX-MB1900RUB/KX-MB1900RUW
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 ------------------------------------------- 10
4 General/Introduction ------------------------------------------- 10
4.1. Optional Accessories------------------------------------ 10
4.2. Translation Lists ------------------------------------------ 11
4.2. Translation Lists ------------------------------------------ 11
4.2.1. Error Message (Display)--------------------------- 11
5 Features ------------------------------------------------------------ 12
5.1. General Features----------------------------------------- 12
5.2. Hardware Requirements for Multi-Function
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
6.2. General Block Diagram--------------------------------- 14
6.3. Main Board Section-------------------------------------- 16
6.3.1. Data Flow---------------------------------------------- 16
6.3.2. RTC Backup Circuit--------------------------------- 24
6.3.2. RTC Backup Circuit--------------------------------- 24
6.4. CIS Control Section-------------------------------------- 25
6.5. Motor Drive Section-------------------------------------- 26
6.5. Motor Drive Section-------------------------------------- 26
6.5.1. Engine Motor Control Circuit --------------------- 26
6.5.2. Scanner Motor Drive Circuit ---------------------- 27
6.5.2. Scanner Motor Drive Circuit ---------------------- 27
6.6. Timing chart and wave form of scanner
motors------------------------------------------------------- 30
6.6.1. Normal 1-2 phase excitation (half step)-------- 30
6.6.2. Flat torque 1-2 phase excitation (half step) --- 31
6.6.3. W1-2 phase excitation (Quarter step) ---------- 32
6.6.4. Drive mode of FB------------------------------------ 33
6.6.2. Flat torque 1-2 phase excitation (half step) --- 31
6.6.3. W1-2 phase excitation (Quarter step) ---------- 32
6.6.4. Drive mode of FB------------------------------------ 33
6.7. FAN Motor Section--------------------------------------- 33
6.7.1. General ------------------------------------------------ 33
6.7.2. Circuit Diagram of FAN ---------------------------- 34
6.7.3. Fan Control ------------------------------------------- 34
6.7.4. Control table ------------------------------------------ 35
6.7.5. Waveform---------------------------------------------- 35
6.7.2. Circuit Diagram of FAN ---------------------------- 34
6.7.3. Fan Control ------------------------------------------- 34
6.7.4. Control table ------------------------------------------ 35
6.7.5. Waveform---------------------------------------------- 35
6.8. Solenoid Driver Section -------------------------------- 36
6.9. LSU (Laser Scanning Unit) Section ----------------- 37
6.9. LSU (Laser Scanning Unit) Section ----------------- 37
6.10. Sensors and Switches Section ----------------------- 39
6.10.1. Drum Detection ------------------------------------- 40
6.10.2. Pickup Sensor---------------------------------------- 40
6.10.3. Exit Sensor-------------------------------------------- 41
6.10.4. Home Sensor----------------------------------------- 41
6.10.5. Registration & Manual Paper Sensor ---------- 42
6.10.6. Print Timing Sensor --------------------------------- 42
6.10.7. Top Cover Sensor ----------------------------------- 43
6.10.2. Pickup Sensor---------------------------------------- 40
6.10.3. Exit Sensor-------------------------------------------- 41
6.10.4. Home Sensor----------------------------------------- 41
6.10.5. Registration & Manual Paper Sensor ---------- 42
6.10.6. Print Timing Sensor --------------------------------- 42
6.10.7. Top Cover Sensor ----------------------------------- 43
6.10.8. Toner Sensor.... “Toner Empty”, “Toner
Low”, “Change Drum”------------------------------ 44
6.11. Operation Board Section ------------------------------ 47
6.12. LCD Section----------------------------------------------- 47
6.13. HVPS (High Voltage Power Supply) Section ----- 49
6.13. HVPS (High Voltage Power Supply) Section ----- 49
6.13.1. HVPS Specification--------------------------------- 49
6.13.2. CHG-BIAS (Charge BIAS)/GRID/ UNIT------- 49
6.13.3. DEV DC BIAS UNIT-------------------------------- 50
6.13.4. DEV AC BIAS UNIT -------------------------------- 50
6.13.5. TRA (+) BIAS (Transfer (+) BIAS)/TRA (-)
6.13.2. CHG-BIAS (Charge BIAS)/GRID/ UNIT------- 49
6.13.3. DEV DC BIAS UNIT-------------------------------- 50
6.13.4. DEV AC BIAS UNIT -------------------------------- 50
6.13.5. TRA (+) BIAS (Transfer (+) BIAS)/TRA (-)
BIAS (Transfer (-) BIAS) UNIT------------------- 50
6.14. Heat Lamp Control Circuit----------------------------- 51
6.15. Main Board Section ------------------------------------- 56
6.16. Power Supply Board Section ------------------------- 59
6.17. Mechanical Operation ---------------------------------- 60
6.15. Main Board Section ------------------------------------- 56
6.16. Power Supply Board Section ------------------------- 59
6.17. Mechanical Operation ---------------------------------- 60
6.17.1. Printing ------------------------------------------------ 60
7 Location of Controls and Components ----------------- 61
7.1. Overview --------------------------------------------------- 61
7.1.1. Front view--------------------------------------------- 61
7.1.2. Rear view --------------------------------------------- 61
7.1.2. Rear view --------------------------------------------- 61
7.2. Control Panel --------------------------------------------- 61
8 Installation Instructions -------------------------------------- 62
8.1. Installation ------------------------------------------------- 62
8.1.1. Installation Space ----------------------------------- 62
8.1.2. OUTPUT TRAY-------------------------------------- 63
8.1.3. RECORDING PAPER----------------------------- 64
8.1.4. Documents the Unit Can Send ------------------ 68
8.1.5. Toner Cartridge and the Drum Cartridge------ 69
8.1.6. Connecting to a computer ------------------------ 73
8.1.7. Installing Multi-Function Station ---------------- 73
8.1.2. OUTPUT TRAY-------------------------------------- 63
8.1.3. RECORDING PAPER----------------------------- 64
8.1.4. Documents the Unit Can Send ------------------ 68
8.1.5. Toner Cartridge and the Drum Cartridge------ 69
8.1.6. Connecting to a computer ------------------------ 73
8.1.7. Installing Multi-Function Station ---------------- 73
8.2. Connections----------------------------------------------- 75
9 Test Mode --------------------------------------------------------- 76
9.1. Test Functions -------------------------------------------- 76
9.1.1. Button Code Table ---------------------------------- 77
9.1.2. Print Test Pattern------------------------------------ 78
9.1.2. Print Test Pattern------------------------------------ 78
10 Service Mode----------------------------------------------------- 79
10.1. Programming and Lists--------------------------------- 79
10.1.1. Operation --------------------------------------------- 79
10.1.2. Operation Flow -------------------------------------- 79
10.1.3. Service Function Table ---------------------------- 80
10.1.4. Memory Clear Specification ---------------------- 80
10.1.2. Operation Flow -------------------------------------- 79
10.1.3. Service Function Table ---------------------------- 80
10.1.4. Memory Clear Specification ---------------------- 80
10.2. User Mode (The list below is an example of
the SYSTEM SETUP LIST the unit prints out.) -- 81
10.3. History (Example of a printed out list) -------------- 82
10.3.1. Descriptions of The History Report------------- 83
11 Troubleshooting Guide --------------------------------------- 84
11.1. User Recoverable Errors ------------------------------ 84
11.2. Troubleshooting Details -------------------------------- 86
11.2. Troubleshooting Details -------------------------------- 86
11.2.1. Outline ------------------------------------------------- 86
11.2.2. Starting Troubleshooting -------------------------- 86
11.2.3. Initialization ------------------------------------------- 87
11.2.4. Simple Check List----------------------------------- 88
11.2.5. Simplified Troubleshooting Guide--------------- 89
11.2.6. CALL SERVICE Troubleshooting Guide ------ 92
11.2.7. Print ---------------------------------------------------- 99
11.2.8. Recording Paper Feed ---------------------------105
11.2.9. Initializing Error ------------------------------------- 113
11.2.2. Starting Troubleshooting -------------------------- 86
11.2.3. Initialization ------------------------------------------- 87
11.2.4. Simple Check List----------------------------------- 88
11.2.5. Simplified Troubleshooting Guide--------------- 89
11.2.6. CALL SERVICE Troubleshooting Guide ------ 92
11.2.7. Print ---------------------------------------------------- 99
11.2.8. Recording Paper Feed ---------------------------105
11.2.9. Initializing Error ------------------------------------- 113
11.2.10. Operation Panel Section ------------------------- 114
3
KX-MB1900RUB/KX-MB1900RUW
11.2.11. Sensor Section ------------------------------------- 114
11.2.12. Motor Section --------------------------------------- 117
11.2.13. LSU Section----------------------------------------- 119
11.2.14. CIS Control Section ------------------------------- 120
11.2.15. High Voltage Value Check Point --------------- 122
11.2.16. High Voltage Section------------------------------ 124
11.2.17. USB Section ---------------------------------------- 129
11.2.18. Main Board Section ------------------------------- 133
11.2.19. Power Supply Board Section ------------------- 136
11.2.13. LSU Section----------------------------------------- 119
11.2.14. CIS Control Section ------------------------------- 120
11.2.15. High Voltage Value Check Point --------------- 122
11.2.16. High Voltage Section------------------------------ 124
11.2.17. USB Section ---------------------------------------- 129
11.2.18. Main Board Section ------------------------------- 133
11.2.19. Power Supply Board Section ------------------- 136
11.3. RECORDING PAPER JAM -------------------------- 139
11.3.1. When the recording paper has jammed
inside of the unit------------------------------------ 140
11.3.2. When the recording paper is not fed into
the unit properly ------------------------------------ 146
11.3.3. When the recording paper in the manual
input tray is not fed into the unit properly ---- 146
12 Service Fixture & Tools-------------------------------------- 147
13 Disassembly and Assembly Instructions ------------- 148
13 Disassembly and Assembly Instructions ------------- 148
13.1. Bottom Section ------------------------------------------ 149
13.2. Left Side Section---------------------------------------- 149
13.3. Operation Panel Section------------------------------ 150
13.4. Open Top Cover ---------------------------------------- 150
13.5. Remove Operation Panel --------------------------- 151
13.6. Remove Operation Board ---------------------------- 151
13.7. Remove Main Board ----------------------------------- 152
13.8. Remove Gear Chassis Section --------------------- 153
13.9. Remove Right Cover ---------------------------------- 154
13.2. Left Side Section---------------------------------------- 149
13.3. Operation Panel Section------------------------------ 150
13.4. Open Top Cover ---------------------------------------- 150
13.5. Remove Operation Panel --------------------------- 151
13.6. Remove Operation Board ---------------------------- 151
13.7. Remove Main Board ----------------------------------- 152
13.8. Remove Gear Chassis Section --------------------- 153
13.9. Remove Right Cover ---------------------------------- 154
13.10. Remove Right Cassette Guide---------------------- 154
13.11. Remove Bottom Plate --------------------------------- 155
13.12. Remove Laser Unit------------------------------------- 155
13.13. Remove Pick up Roller-------------------------------- 156
13.14. Remove Low Voltage Power Board---------------- 157
13.15. Remove Mirror ------------------------------------------ 157
13.16. Remove High Voltage Power Board --------------- 158
13.17. Installation Position of The Lead-------------------- 159
13.13. Remove Pick up Roller-------------------------------- 156
13.14. Remove Low Voltage Power Board---------------- 157
13.15. Remove Mirror ------------------------------------------ 157
13.16. Remove High Voltage Power Board --------------- 158
13.17. Installation Position of The Lead-------------------- 159
13.17.1. Top Cover Section (1) ---------------------------- 159
13.17.2. Top Cover Section (2) ---------------------------- 160
13.17.3. Top Cover Section (3) ---------------------------- 161
13.17.4. Bottom Part Section (1) -------------------------- 162
13.17.5. Bottom Part Section (2) -------------------------- 163
13.17.6. Side Cabinet Section (1) ------------------------- 164
13.17.7. Side Cabinet Section (2) ------------------------- 165
13.17.8. Side Cabinet Section (3) ------------------------- 166
13.17.9. Side Cabinet Section (4) ------------------------- 167
13.17.2. Top Cover Section (2) ---------------------------- 160
13.17.3. Top Cover Section (3) ---------------------------- 161
13.17.4. Bottom Part Section (1) -------------------------- 162
13.17.5. Bottom Part Section (2) -------------------------- 163
13.17.6. Side Cabinet Section (1) ------------------------- 164
13.17.7. Side Cabinet Section (2) ------------------------- 165
13.17.8. Side Cabinet Section (3) ------------------------- 166
13.17.9. Side Cabinet Section (4) ------------------------- 167
13.17.10. AC Inlet Section ------------------------------------ 167
14 Maintenance----------------------------------------------------- 168
14.1. Maintenance Items and Component Locations - 168
14.1.1. Outline ------------------------------------------------ 168
14.1.2. Maintenance Check Items/Component
14.1.2. Maintenance Check Items/Component
Locations--------------------------------------------- 168
14.2. Maintenance --------------------------------------------- 170
14.2.1. Cleaning the White Plates and Glasses ----- 170
14.3. Printing Operation Principle-------------------------- 174
14.3.1. Process Chart and Process BIAS ------------- 174
14.3.2. CHARGING ----------------------------------------- 174
14.3.3. Exposing --------------------------------------------- 175
14.3.4. Developing and Transcription------------------- 176
14.3.5. Cleaning of Transfer Roller---------------------- 177
14.3.6. Fixing ------------------------------------------------- 178
14.3.2. CHARGING ----------------------------------------- 174
14.3.3. Exposing --------------------------------------------- 175
14.3.4. Developing and Transcription------------------- 176
14.3.5. Cleaning of Transfer Roller---------------------- 177
14.3.6. Fixing ------------------------------------------------- 178
14.4. Terminal Guide of The ICs Transistors and
Diodes ----------------------------------------------------- 179
14.4.1. Main Board------------------------------------------ 179
14.4.2. Operation Board ----------------------------------- 179
14.4.3. High Voltage Power Supply Board------------ 180
14.4.4. Low Voltage Power Supply Board ------------ 180
14.4.2. Operation Board ----------------------------------- 179
14.4.3. High Voltage Power Supply Board------------ 180
14.4.4. Low Voltage Power Supply Board ------------ 180
14.5. How to Replace the Flat Package IC ------------- 181
14.5.1. Preparation------------------------------------------ 181
14.5.2. Flat Package IC Removal Procedure -------- 181
14.5.3. Flat Package IC Installation Procedure------ 182
14.5.4. Bridge Modification Procedure----------------- 182
14.5.2. Flat Package IC Removal Procedure -------- 181
14.5.3. Flat Package IC Installation Procedure------ 182
14.5.4. Bridge Modification Procedure----------------- 182
14.6. Main Board Section------------------------------------ 183
14.6.1. NG Example ---------------------------------------- 184
14.7. Test Chart ------------------------------------------------ 185
14.7.1. ITU-T No.1 Test Chart---------------------------- 185
14.7.2. ITU-T No.2 Test Chart---------------------------- 186
14.7.2. ITU-T No.2 Test Chart---------------------------- 186
15 Schematic Diagram ------------------------------------------ 187
15.1. For Schematic Diagram ------------------------------ 187
15.2. Main Board ---------------------------------------------- 188
15.2. Main Board ---------------------------------------------- 188
15.2.1. Main Board (1) ------------------------------------- 188
15.2.2. Main Board (2) ------------------------------------- 192
15.2.3. Main Board (3) ------------------------------------- 194
15.2.2. Main Board (2) ------------------------------------- 192
15.2.3. Main Board (3) ------------------------------------- 194
15.3. Operation Board---------------------------------------- 196
15.4. Sensor Board ------------------------------------------- 197
15.5. High Voltage Power Supply Board----------------- 198
15.6. Low Voltage Power Supply Board ----------------- 199
15.4. Sensor Board ------------------------------------------- 197
15.5. High Voltage Power Supply Board----------------- 198
15.6. Low Voltage Power Supply Board ----------------- 199
16 Printed Circuit Board ---------------------------------------- 201
16.1. Main Board ---------------------------------------------- 201
16.1.1. Main Board: Component View ----------------- 201
16.1.2. Main Board: Bottom View ----------------------- 202
16.1.2. Main Board: Bottom View ----------------------- 202
16.2. Operation Board---------------------------------------- 203
16.2.1. Operation Board ----------------------------------- 203
16.3. Sensor Board ------------------------------------------- 204
16.3.1. Toner Sensor Board ------------------------------ 204
16.3.2. Fuser Board ---------------------------------------- 204
16.3.3. Pickup Sensor Board----------------------------- 204
16.3.4. Registration Sensor Board---------------------- 205
16.3.5. Varistor Sensor Board---------------------------- 205
16.3.6. Flatbet Relay Board ------------------------------ 205
16.3.7. CIS Home Sensor Board ------------------------ 206
16.3.2. Fuser Board ---------------------------------------- 204
16.3.3. Pickup Sensor Board----------------------------- 204
16.3.4. Registration Sensor Board---------------------- 205
16.3.5. Varistor Sensor Board---------------------------- 205
16.3.6. Flatbet Relay Board ------------------------------ 205
16.3.7. CIS Home Sensor Board ------------------------ 206
16.4. High Voltage Power Supply Board----------------- 207
16.4.1. HIGH VOLTAGE POWER SUPPLY
BOARD: COMPONENT VIEW----------------- 207
16.4.2. HIGH VOLTAGE POWER SUPPLY
BOARD: BOTTOM VIEW ----------------------- 207
16.5. Low Voltage Power Supply Board ----------------- 208
16.5.1. LOW VOLTAGE POWER SUPPLY
BOARD: COMPONENT VIEW----------------- 208
16.5.2. LOW VOLTAGE POWER SUPPLY
BOARD: BOTTOM VIEW ----------------------- 208
17 Exploded View and Replacement Parts List --------- 209
17.1. Cabinet, Mechanical and Electrical Parts
Location -------------------------------------------------- 209
17.1.1. Operation Panel Section ------------------------ 209
17.1.2. Flatbet Section ------------------------------------- 210
17.1.3. Top Cover Section ---------------------------------211
17.1.4. Main Cabinet Section ---------------------------- 212
17.1.5. Fuser Section -------------------------------------- 213
17.1.6. Bottom Cabinet Section (1) --------------------- 214
17.1.7. Separation (DFP) Roller Section -------------- 215
17.1.8. Side Cabinet Section ----------------------------- 216
17.1.9. Motor Section -------------------------------------- 217
17.1.2. Flatbet Section ------------------------------------- 210
17.1.3. Top Cover Section ---------------------------------211
17.1.4. Main Cabinet Section ---------------------------- 212
17.1.5. Fuser Section -------------------------------------- 213
17.1.6. Bottom Cabinet Section (1) --------------------- 214
17.1.7. Separation (DFP) Roller Section -------------- 215
17.1.8. Side Cabinet Section ----------------------------- 216
17.1.9. Motor Section -------------------------------------- 217
17.1.10. Bottom Cabinet Section (2) --------------------- 218
4
KX-MB1900RUB/KX-MB1900RUW
17.1.11. Output Tray Section------------------------------- 219
17.1.12. Actual Size of Screws and Washer ----------- 220
17.1.13. Accessories and Packing Materials----------- 221
17.1.13. Accessories and Packing Materials----------- 221
17.2. Replacement Parts List ------------------------------- 222
17.2.1. Cabinet and Electrical Parts ------------------ 222
17.2.2. Main Board------------------------------------------ 225
17.2.3. Operation Board ---------------------------------- 228
17.2.4. Sensor Board Parts ------------------------------ 229
17.2.5. High Voltage Power Board ---------------------- 230
17.2.6. Low Voltage Power Board----------------------- 230
17.2.2. Main Board------------------------------------------ 225
17.2.3. Operation Board ---------------------------------- 228
17.2.4. Sensor Board Parts ------------------------------ 229
17.2.5. High Voltage Power Board ---------------------- 230
17.2.6. Low Voltage Power Board----------------------- 230
