4
KX-MB2230JT/ KX-MB2270JT/ KX-MB2515JT/ KX-MB2545JT/ KX-MB2575JT/ DP-MB310JT
14.3.19. DOCU Sensor Board/RPS Board/RADF
Board ------------------------------------------------- 288
14.3.20. Disassemble the FB Unit(FB-Motor)---------- 289
14.3.21. Disassemble the Operation Panel Assy ----- 290
14.3.22. Remove the Fuser Unit (Fuser Board) ------- 290
14.3.23. Remove the Top Cover -------------------------- 291
14.3.24. Remove the Main Chassis ---------------------- 292
14.4. Installation Position of The Lead ------------------- 297
14.4.1. Main Cabinet Section----------------------------- 297
14.4.2. Wire dressing on the Left Side
Section(Main Board)(1) -------------------------- 298
14.4.3. Wire dressing on the Left Side
Section(Main Board)(2) -------------------------- 299
14.4.4. Wire dressing on the Left Side
Section(Main Board) (3) ------------------------- 300
14.4.5. Wire dressing on the Left Side
Section(Main Board) (4) ------------------------- 301
14.4.6. Wire dressing on the Right Side Section
(1) ----------------------------------------------------- 302
14.4.7. Wire dressing on the Right Side Section
(2) ----------------------------------------------------- 303
14.4.8. FB Unit (1)------------------------------------------- 304
14.4.9. FB Unit (2)------------------------------------------- 305
14.4.10. Fuser Lead ----------------------------------------- 306
15 Maintenance
----------------------------------------------------
15.1. Maintenance Items and Component Locations- 307
15.1.1. Outline------------------------------------------------ 307
15.1.2. Maintenance Check Items/Component
Locations -------------------------------------------- 307
15.2. Maintenance--------------------------------------------- 309
15.2.1. Cleaning the White Plates and Glass -------- 309
15.2.2. Cleaning the Document Feeder Rollers ------311
15.2.3. Cleaning the recording paper feeder
rollers of the multi-purpose tray---------------- 312
15.2.4. Cleaning the pickup rollers---------------------- 313
15.2.5. Cleaning the drum cartridge -------------------- 314
15.3. Printing Operation Principle ------------------------- 315
15.3.1. Process Chart and Process BIAS ------------- 315
15.3.2. Charging --------------------------------------------- 315
15.3.3. Exposing--------------------------------------------- 316
15.3.4. Developing and Transcription ------------------ 316
15.3.5. Cleaning of Transfer Roller --------------------- 317
15.3.6. Fixing ------------------------------------------------- 318
15.4. Terminal Guide of the ICs Transistors and
Diodes----------------------------------------------------- 319
15.4.1. Main Board------------------------------------------ 319
15.4.2. Operation Board ----------------------------------- 320
15.4.3. Toner Sensor Board ------------------------------ 320
15.4.4. VARISTOR Board --------------------------------- 320
15.4.5. High Voltage Power Supply Board (HVPS
Board) ------------------------------------------------ 320
15.4.6. Low Voltage Power Supply Board (SMPS
Board) ------------------------------------------------ 321
15.5. How to Replace the Flat Package IC ------------- 322
15.5.1. Preparation------------------------------------------ 322
15.5.2. Removal Procedure------------------------------- 322
15.5.3. Procedure ------------------------------------------- 323
15.5.4. Removing Solder From Between Pins ------- 323
15.6. Main Board Section------------------------------------ 324
15.6.1. NG Example ---------------------------------------- 325
15.7. Test Chart ------------------------------------------------ 326
15.7.1. ITU-T No.1 Test Chart ----------------------------326
15.7.2. ITU-T No.2 Test Chart ----------------------------327
16 Schematic Diagram
-------------------------------------------
16.1. For Schematic Diagram -------------------------------328
16.2. Main Board (KX-MB2230) ----------------------------329
16.2.1. Main Board(1)---------------------------------------329
16.2.2. Main Board(2)---------------------------------------332
16.2.3. Main Board(3)---------------------------------------334
16.2.4. Main Board(4)---------------------------------------336
16.2.5. Main Board(5)---------------------------------------338
16.2.6. Main Board(6)---------------------------------------340
16.3. Main Board (KX-MB2270) ----------------------------343
16.3.1. Main Board(1)---------------------------------------343
16.3.2. Main Board(2)---------------------------------------346
16.3.3. Main Board(3)---------------------------------------348
16.3.4. Main Board(4)---------------------------------------350
16.3.5. Main Board(5)---------------------------------------352
16.3.6. Main Board(6)---------------------------------------354
16.4. Main Board (KX-MB2515) ----------------------------357
16.4.1. Main Board(1)---------------------------------------357
16.4.2. Main Board(2)---------------------------------------360
16.4.3. Main Board(3)---------------------------------------362
16.4.4. Main Board(4)---------------------------------------364
16.4.5. Main Board(5)---------------------------------------366
16.4.6. Main Board(6)---------------------------------------368
16.5. Main Board (KX-MB2545) ----------------------------371
16.5.1. Main Board(1)---------------------------------------371
16.5.2. Main Board(2)---------------------------------------374
16.5.3. Main Board(3)---------------------------------------376
16.5.4. Main Board(4)---------------------------------------378
16.5.5. Main Board(5)---------------------------------------380
16.5.6. Main Board(6)---------------------------------------382
16.6. Main Board (KX-MB2575) ----------------------------385
16.6.1. Main Board(1)---------------------------------------385
16.6.2. Main Board(2)---------------------------------------388
16.6.3. Main Board(3)---------------------------------------390
16.6.4. Main Board(4)---------------------------------------392
16.6.5. Main Board(5)---------------------------------------394
16.6.6. Main Board(6)---------------------------------------396
16.7. Main Board (DP-MB310) -----------------------------399
16.7.1. Main Board(1)---------------------------------------399
16.7.2. Main Board(2)---------------------------------------402
16.7.3. Main Board(3)---------------------------------------404
16.7.4. Main Board(4)---------------------------------------406
16.7.5. Main Board(5)---------------------------------------408
16.7.6. Main Board(6)---------------------------------------410
16.8. Sensor Board (KX-MB2230) -------------------------412
16.8.1. Operation Board------------------------------------412
16.8.2. Sensor Board ---------------------------------------413
16.9. Sensor Board (KX-MB2270) -------------------------414
16.9.1. Operation Board------------------------------------414
16.9.2. Sensor Board ---------------------------------------415
16.10. Sensor Board (KX-MB2515) -------------------------416
16.10.1. Operation Board------------------------------------416
16.10.2. Sensor Board ---------------------------------------417
16.11. Sensor Board (KX-MB2545) -------------------------418
16.11.1. Operation Board------------------------------------418
16.11.2. Sensor Board ---------------------------------------419
16.12. Sensor Board (KX-MB2575) -------------------------420
16.12.1. Operation Board------------------------------------420
16.12.2. Sensor Board ---------------------------------------421
Summary of Contents for KX-MB2230JT
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