KX-MB1900RUB-V1, KX-MB1900RUW-V1, KX-MB2000RUB-V1, KX-MB2000RUW-V1, KX-MB2020RUB-V1, KX-MB2020RUW-V1, KX-MB2030RUW-V1 - Panasonic Fax Service Manual (repair manual). Page 4

Read Panasonic KX-MB1900RUB-V1 / KX-MB1900RUW-V1 / KX-MB2000RUB-V1 / KX-MB2000RUW-V1 / KX-MB2020RUB-V1 / KX-MB2020RUW-V1 / KX-MB2030RUW-V1 Service Manual online

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KX-MB1900RUB-V1/KX-MB1900RUW-V1/KX-MB2000RUB-V1/KX-MB2000RUW-V1/KX-MB2020RUB-V1/KX-MB2020RUW-V1/KX-MB2030RUW-V1
10. Remove Right Cassette Guide --------------------- 222
11. Remove Bottom Plate--------------------------------- 223
12. Remove Laser Unit ------------------------------------ 223
13. Remove Pick up Roller ------------------------------- 224
14. Remove Low Voltage Power Board --------------- 225
15. Remove Mirror ------------------------------------------ 225
16. Remove High Voltage Power Board--------------- 226
17. Note for diseassebly----------------------------------- 226
17.1. Position of Installing LABEL/CIS HOME----- 226
18. Installation Position of The Lead ------------------- 227
18.1. Top Cover Section (1) ---------------------------- 227
18.2. Top Cover Section (2) ---------------------------- 228
18.3. Top Cover Section (3) ---------------------------- 229
18.4. Bottom Part Section (1) -------------------------- 230
18.5. Bottom Part Section (2) -------------------------- 231
18.6. Side Cabinet Section (1)------------------------- 232
18.7. Side Cabinet Section (2)------------------------- 233
18.8. Side Cabinet Section (3)------------------------- 234
18.9. Side Cabinet Section (4)------------------------- 235
18.10. AC Inlet Section------------------------------------ 235

15 Maintenance ---------------------------------------------------- 236
1. Maintenance Items and Component Locations- 236
1.1. Outline------------------------------------------------ 236
1.2. Maintenance Check Items/Component
Locations -------------------------------------------- 236
2. Maintenance--------------------------------------------- 238
2.1. Cleaning the White Plates and Glass -------- 238
2.2. CLEANING THE DOCUMENT FEEDER
ROLLERS ------------------------------------------- 242
3. Printing Operation Principle ------------------------- 243
3.1. Process Chart and Process BIAS ------------- 243
3.2. CHARGING ----------------------------------------- 243
3.3. Exposing--------------------------------------------- 244
3.4. Developing and Transcription ------------------ 245
3.5. Cleaning of Transfer Roller --------------------- 246
3.6. Fixing ------------------------------------------------- 247
4. Terminal Guide of The ICs Transistors and
Diodes----------------------------------------------------- 248
4.1. Main Board------------------------------------------ 248
4.2. Operation Board ----------------------------------- 249
4.3. High Voltage Power Supply Board ------------ 249
4.4. Low Voltage Power Supply Board------------- 249
5. How to Replace the Flat Package IC ------------- 250
5.1. Preparation------------------------------------------ 250
5.2. Flat Package IC Removal Procedure -------- 250
5.3. Flat Package IC Installation Procedure ------ 251
5.4. Bridge Modification Procedure ----------------- 251
6. Main Board Section------------------------------------ 252
6.1. NG Example ---------------------------------------- 253
7. Test Chart ------------------------------------------------ 254
7.1. ITU-T No.1 Test Chart---------------------------- 254
7.2. ITU-T No.2 Test Chart---------------------------- 255

16 Schematic Diagram------------------------------------------- 257
1. For Schematic Diagram ------------------------------ 257
2. Main Board (KX-MB1900) --------------------------- 258
2.1. Main Board (1) ------------------------------------- 258
2.2. Main Board (2) ------------------------------------- 262
2.3. Main Board (3) ------------------------------------- 264
3. Main Board (KX-MB2000) --------------------------- 266
3.1. Main Board (1) ------------------------------------- 266
3.2. Main Board (2) ------------------------------------- 270
3.3. Main Board (3)--------------------------------------272
4. Main Board (KX-MB2020) ----------------------------274
4.1. Main Board (1)--------------------------------------274
4.2. Main Board (2)--------------------------------------278
4.3. Main Board (3)--------------------------------------280
4.4. Main Board (4)--------------------------------------282
5. Main Board (KX-MB2030) ----------------------------284
5.1. Main Board (1)--------------------------------------284
5.2. Main Board (2)--------------------------------------288
5.3. Main Board (3)--------------------------------------290
5.4. Main Board (4)--------------------------------------292
6. Operation Board (KX-MB1900/2000)-------------- 294
7. Operation Board (KX-MB2020/2030)-------------- 295
8. Sensor Board --------------------------------------------296
9. High Voltage Power Supply Board -----------------297
10. Low Voltage Power Supply Board------------------298

17 Printed Circuit Board-----------------------------------------299
1. Main Board (KX-MB1900/2000) --------------------299
1.1. Main Board: Component View------------------299
1.2. Main Board: Bottom View------------------------300
2. Main Board (KX-MB2020/2030) --------------------301
2.1. Main Board: Component View------------------301
2.2. Main Board: Bottom View------------------------302
3. Operation Board ----------------------------------------303
3.1. Operation Board------------------------------------303
4. Sensor Board --------------------------------------------304
4.1. Toner Sensor Board ------------------------------- 304
4.2. Fuser Board -----------------------------------------304
4.3. Pickup Sensor Board -----------------------------304
4.4. Registration Sensor Board ----------------------305
4.5. Varistor Sensor Board ----------------------------305
4.6. ADF Sensor Board (KX-MB2030 ONLY)-----305
4.7. Handset Relay Board (KX-MB2020/2030
ONLY)-------------------------------------------------306
5. High Voltage Power Supply Board -----------------307
5.1. HIGH VOLTAGE POWER SUPPLY
BOARD: COMPONENT VIEW -----------------307
5.2. HIGH VOLTAGE POWER SUPPLY
BOARD: BOTTOM VIEW ------------------------307
6. Low Voltage Power Supply Board------------------308
6.1. LOW VOLTAGE POWER SUPPLY
BOARD: COMPONENT VIEW -----------------308
6.2. LOW VOLTAGE POWER SUPPLY
BOARD: BOTTOM VIEW ------------------------308

18 Exploded View and Replacement Parts List----------309
1. Cabinet, Mechanical and Electrical Parts
Location ---------------------------------------------------309
1.1. Operation Panel Section -------------------------309
1.2. ADF Section (KX-MB2030)----------------------310
1.3. Flatbet Section (KX-MB1900/2000/2020)---- 311
1.4. ADF Gear Section (KX-MB2030) -------------- 312
1.5. Top Cover Section  --------------------------------313
1.6. Main Cabinet Section -----------------------------314
1.7. Fuser Section --------------------------------------- 315
1.8. Bottom Cabinet Section (1)----------------------316
1.9. Separation (DFP) Roller Section---------------317
1.10. Side Cabinet Section------------------------------318
1.11. Motor Section --------------------------------------- 319
1.12. Bottom Cabinet Section (2)----------------------320
1.13. Output Tray Section ------------------------------- 321
1.14. Actual Size of Screws and Washer------------322
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