KX-MB2230RU, KX-MB2270RU, KX-MB2510RU, KX-MB2540RU - Panasonic Copying Equipment Service Manual (repair manual)

ORDER NO.KMF1309433CE

(for Russia, Ukraine, Kazakhstan)

2

KX-MB2230RU/ KX-MB2270RU/ KX-MB2510RU/ KX-MB2540RU

PAGE

PAGE

1 Safety Precautions -----------------------------------------------6

1.1. For Service Technicians ----------------------------------6
1.2. AC Caution---------------------------------------------------6
1.3. Personal Safety Precautions ----------------------------7

1.3.1. Moving Sections of the Unit-------------------------7
1.3.2. Live Electrical Sections ------------------------------7

1.4. Service Precautions ---------------------------------------7

1.4.1. Precautions to Prevent Damage from 

Static Electricity ----------------------------------------7

2 Warning --------------------------------------------------------------8

2.1. About Lead Free Solder (PbF: Pb free) --------------8

2.1.1. Suggested PbF Solder -------------------------------8

2.2. Discarding of P. C. Board --------------------------------9
2.3. Insulation Resistance Test -------------------------------9
2.4. Battery Caution ---------------------------------------------9
2.5. Laser Beam and Fuser Unit Section ------------------9
2.6. Note for Repairing---------------------------------------- 10

3 Specifications ---------------------------------------------------- 11
4 General/Introduction ------------------------------------------- 14

4.1. Accessory information ---------------------------------- 14
4.2. Translation Lists ------------------------------------------ 14

4.2.1. Report messages------------------------------------ 14
4.2.2. General messages ---------------------------------- 15
4.2.3. Interface messages --------------------------------- 17

5 Features ------------------------------------------------------------ 18

5.1. General Features----------------------------------------- 18
5.2. Hardware Requirements for Multi-Function 

Software ---------------------------------------------------- 18

6 Technical Descriptions---------------------------------------- 19

6.1. Connection Diagram------------------------------------- 19
6.2. General Block Diagram--------------------------------- 20
6.3. Main Board Section-------------------------------------- 23

6.3.1. Data Flow---------------------------------------------- 23
6.3.2. RTC Backup Circuit   ------------------------------- 33
6.3.3. Modem Circuit Operation ( Fax supported 

models only ) ----------------------------------------- 33

6.3.4. TEL Line Section ( Fax supported models 

only )  --------------------------------------------------- 34

6.4. NCU Section ( Fax supported models only )  ----- 36

6.4.1. General ------------------------------------------------ 36
6.4.2. EXT. TEL. Line Relay (RLY100) ----------------- 36
6.4.3. Bell Detection Circuit ------------------------------- 36
6.4.4. Remote FAX Activation Circuit ------------------- 36
6.4.5. TAM Interface Circuit ------------------------------- 36

6.5. ITS (Integrated telephone System) and 

Monitor Section ( Fax supported models only ) 

---------------------------------------------------------------- 37

6.5.1. General ------------------------------------------------ 37

6.6. CIS Control Section-------------------------------------- 38
6.7. Motor Drive Section-------------------------------------- 39

6.7.1. Main Motor Control Circuit ------------------------ 39
6.7.2. Scanner motor drive circuit ----------------------- 41
6.7.3. Timing Chart and Wave Form of Motors------- 44

6.8. Timing chart and wave form of scanner 

motors ------------------------------------------------------ 48

6.8.1. Drive mode of FB and ADF motor--------------- 48
6.8.2. 2 phase excitation ----------------------------------- 49

6.8.3. Normal torque 1-2 phase excitation (half 

step) --------------------------------------------------- 50

6.8.4. Flat torque 1-2 phase excitation (half step) 

----------------------------------------------------------- 51

6.8.5. W 1-2 phase excitation (Quarter step) -------- 52
6.8.6. 2W1-2 phase excitation --------------------------- 53

6.9. FAN Motor Section -------------------------------------- 54

6.9.1. General ------------------------------------------------ 54
6.9.2. Circuit Diagram of FAN ---------------------------- 54
6.9.3. Fan Control ------------------------------------------- 54
6.9.4. Control table------------------------------------------ 55
6.9.5. Waveform --------------------------------------------- 56
6.9.6. Abnormal Detect and Lock Protect Block----- 56

6.10. Solenoid Driver Section -------------------------------- 58

6.10.1. Optional Lower input Tray Motor (OPF 

Motor) Drive and Solenoid Drive circuit ------- 60

6.11. LSU (Laser Scanning Unit) Section----------------- 64

6.12. Sensors and Switches Section----------------------- 66

6.12.1. Pick Up Sensor  ------------------------------------- 67
6.12.2. Resist Sensor ---------------------------------------- 67
6.12.3. PTOP Sensor  (Print timing Sensor) ----------- 68
6.12.4. ADU Sensor ------------------------------------------ 68
6.12.5. Exit Sensor ------------------------------------------- 69
6.12.6. Document Sensor----------------------------------- 69
6.12.7. Read Position Sensor------------------------------ 70
6.12.8. RADF JAM Sensor (Only for KX-MB25**) ---- 71
6.12.9. MPT Sensor  ----------------------------------------- 71

6.12.10. Paper Sensor ---------------------------------------- 72

6.12.11. CS open Sensor------------------------------------- 72

6.12.12. Rear door Sensor ----------------------------------- 73
6.12.13. Interlock switch -------------------------------------- 74
6.12.14. Toner Sensor----------------------------------------- 75
6.12.15. OPC Life Sensor Circuit--------------------------- 76
6.12.16. Toner Life Sensor Circuit-------------------------- 77
6.12.17. Drum and Toner Detetion ------------------------- 78
6.12.18. Power Switch ---------------------------------------- 80

6.13. Operation Board Section ------------------------------ 81
6.14. LCD Section----------------------------------------------- 82
6.15. HVPS (High Voltage Power Supply) Section ----- 84

6.15.1. HVPS Specification--------------------------------- 84
6.15.2. CHG-BIAS (Charge BIAS)/GRID/ UNIT------- 84
6.15.3. DEV DC BIAS UNIT-------------------------------- 85
6.15.4. DEV AC BIAS UNIT -------------------------------- 85
6.15.5. TRA (+) BIAS (Transfer (+) BIAS)/TRA (-) 

BIAS (Transfer (-) BIAS) UNIT------------------- 85

6.16. Heat Lamp Control Circuit----------------------------- 86
6.17. Power Saving (Sleep) Function ---------------------- 91
6.18. Main Board Power Supply Section------------------ 92

6.18.1. 3.3V and 1.2V Power Supply Descriptions --- 92
6.18.2. 5V Power Supply Descriptions ------------------ 92
6.18.3. 24V Power Supply Descriptions----------------- 93
6.18.4. 2.5V Power Supply Descriptions---------------- 93
6.18.5. Main Unit Power Supply Condition ------------- 93
6.18.6. Main Unit Power Supply Sequence ------------ 94
6.18.7. Wave Form ------------------------------------------- 94

6.19. Power Supply Board Section ------------------------- 95
6.20. Mechanical Operation ---------------------------------- 96

6.20.1. Print Process----------------------------------------- 96

3

KX-MB2230RU/ KX-MB2270RU/ KX-MB2510RU/ KX-MB2540RU

6.20.2. Scanning (ADF) (Only for KX-MB22**)---------97
6.20.3. Scanning (ADF) (Only for KX-MB25**)---------98
6.20.4. Double side Scanning ------------------------------99

6.21. WirelessLAN Section ( WirelessLAN 

supported models only ) ------------------------------ 101

7 Location of Controls and Components ---------------- 102

7.1. Overview-------------------------------------------------- 102

7.1.1. Front View ------------------------------------------- 102
7.1.2. Rear View-------------------------------------------- 103

7.2. Control Panel -------------------------------------------- 104

8 Installation Instructions ------------------------------------- 106

8.1. Installation ------------------------------------------------ 106

8.1.1. Installation Space ---------------------------------- 106
8.1.2.  Recording Paper ---------------------------------- 107
8.1.3. Documents the Unit Can Send ----------------- 113
8.1.4. Using the Automatic Document Feeder------ 113
8.1.5. Toner Cartridge and drum cartridge----------- 115
8.1.6. Required Computer Environment-------------- 118
8.1.7. Installing software (including printer, 

scanner and other drivers) ---------------------- 119

8.2. Connections---------------------------------------------- 121

9 Operating Instructions--------------------------------------- 123

9.1.  Your Logo (Fax supported models only) --------- 123
9.2. Character Entry (Fax or LAN supported 

models only)  -------------------------------------------- 124

9.2.1. To Select Characters Using [] or []------------- 124

10 Test Mode -------------------------------------------------------- 125

10.1. Test Functions ------------------------------------------- 125

10.1.1. DTMF Single Tone Transmit Selection  ------ 126
10.1.2. Button Code Table (KX-MB2230/KX-

MB2540 ONLY)------------------------------------- 127

10.1.3. Button Code Table (KX-MB2270 ONLY) ----- 127
10.1.4. Button Code Table (KX-MB2510 ONLY) ----- 128
10.1.5. Print Test Pattern ---------------------------------- 129

11 Service Mode --------------------------------------------------- 130

11.1. Programming and Lists ------------------------------- 130

11.1.1. Operation -------------------------------------------- 130
11.1.2. Operation Flow ------------------------------------- 130
11.1.3. Service Function Table  -------------------------- 131
11.1.4. Service Function Table ( Fax supported 

models only )---------------------------------------- 132

11.1.5. Memory Clear Specification --------------------- 134

11.2. User Mode (The list below is an example of 

the SYSTEM SETUP LIST the unit prints out.) - 135

11.3. Service Mode Settings (Example of a printed 

out list) ---------------------------------------------------- 144

11.4. History (Example of a printed out list) ------------- 146

11.4.1. Descriptions of the History Report------------- 150

12 Troubleshooting Guide -------------------------------------- 151

12.1. User Recoverable Errors ----------------------------- 151
12.2. Remote Programming  -------------------------------- 155

12.2.1. Entering the Remote Programming Mode 

and Changing Service Codes ------------------ 156

12.2.2. Program Mode Table------------------------------ 157

12.3. Troubleshooting Details ------------------------------- 163

12.3.1. Outline ------------------------------------------------ 163
12.3.2. Starting Troubleshooting ------------------------- 163
12.3.3. Simple Check List --------------------------------- 164
12.3.4. Simplified Troubleshooting Guide ------------- 165
12.3.5. CALL SERVICE Troubleshooting Guide ----- 168
12.3.6. Print --------------------------------------------------- 177

12.3.7. Recording Paper Feed--------------------------- 183
12.3.8. ADF (Auto document feed) Section ---------- 189
12.3.9. Communication Section  ------------------------ 195

12.3.10. Special Service Journal Reports -------------- 200

12.3.11. Initializing Error ------------------------------------ 213

12.3.12. Analog Section (Fax supported models 

only )  ------------------------------------------------- 214

12.3.13. Operation Panel Section ------------------------ 217
12.3.14. Sensor Section------------------------------------- 217
12.3.15. Motor Section -------------------------------------- 224
12.3.16. LSU Section ---------------------------------------- 227
12.3.17. CIS Control Section------------------------------- 228
12.3.18. High Voltage Value Check Point--------------- 230
12.3.19. High Voltage Section ----------------------------- 231
12.3.20. USB Section ---------------------------------------- 236
12.3.21. LAN Section  --------------------------------------- 241
12.3.22. Main Board Section------------------------------- 244
12.3.23. Low Voltage Power Supply Board (SMPS 

Board)Section -------------------------------------- 246

12.3.24. Wireless LAN Section ---------------------------- 248

12.4. Recording Paper Jam--------------------------------- 249

12.4.1. When the Recording Paper has Jammed 

Inside of the Unit ---------------------------------- 249

12.4.2. When the Recording Paper is not Fed Into 

the Unit Properly----------------------------------- 255

12.4.3. When the recording paper in the manual 

tray/multi-purpose tray is not fed into the 
unit properly ---------------------------------------- 255

12.5. Document jams (Automatic document feeder) - 256

13 Service Fixture & Tools ------------------------------------- 259
14 Disassembly and Assembly Instructions------------- 260

14.1. First of All ------------------------------------------------ 260
14.2. Flow Chart for Disassembly ------------------------- 261
14.3. Disassembly for Main Parts ------------------------- 262

14.3.1. Remove the Left Cover -------------------------- 262
14.3.2. Remove the Main Board (SMPS Board, 

VARISTOR Board) -------------------------------- 263

14.3.3. Remove the HVPS Board ----------------------- 265
14.3.4. Remove the Interlock Switch Board ---------- 265
14.3.5. Remove the Antenna(V) Board ---------------- 266
14.3.6. Remove the Speaker ----------------------------- 266
14.3.7. Remove the Terminal Plate/TNR Contact 

Board/OPC Contact Board/Print Sensor 
Relay Board/Toner Sensor Board ------------- 267

14.3.8. Remove the Right Cover ------------------------ 268
14.3.9. Remove the Drive Unit--------------------------- 269

14.3.10. Remove the Main Motor ------------------------- 270

14.3.11. Remove the Clutch ------------------------------- 270

14.3.12. Remove the Center Relay Board-------------- 271
14.3.13. Remove the MPT Unit (MPT Relay Board) - 271
14.3.14. Remove the FAN ---------------------------------- 272
14.3.15. Remove the FB Unit ------------------------------ 273
14.3.16. Remove the Rear Door and Rear Cover ---- 274
14.3.17. Remove the ADF Unit / ADF-Motor / ADF 

Relay Board ---------------------------------------- 275

14.3.18. DOCU Sensor Board / RPS Board / RADF 

Board ------------------------------------------------- 277

14.3.19. Disassemble the FB Unit (FB-Motor)--------- 278
14.3.20. Disassemble the Operation Panel Assy ----- 279
14.3.21. Remove the Fuser Unit (Fuser Board)------- 279
14.3.22. Remove the Top Cover -------------------------- 280

4

KX-MB2230RU/ KX-MB2270RU/ KX-MB2510RU/ KX-MB2540RU

14.3.23. Remove the Main Chassis ---------------------- 281

14.4. Installation Position of The Lead ------------------- 286

14.4.1. Main Cabinet Section----------------------------- 286
14.4.2. Wire dressing on the Left Side 

Section(Main Board)(1) -------------------------- 287

14.4.3. Wire dressing on the Left Side 

Section(Main Board)(2) -------------------------- 288

14.4.4. Wire dressing on the Left Side 

Section(Main Board) (3) ------------------------- 289

14.4.5. Wire dressing on the Left Side 

Section(Main Board) (4) ------------------------- 290

14.4.6. Wire dressing on the Right Side Section 

(1) ----------------------------------------------------- 291

14.4.7. Wire dressing on the Right Side Section 

(2) ----------------------------------------------------- 292

14.4.8. FB Unit (1)------------------------------------------- 293
14.4.9. FB Unit (2)------------------------------------------- 294

14.4.10.  Fuser Lead ----------------------------------------- 295

15 Maintenance ---------------------------------------------------- 296

15.1. Maintenance Items and Component Locations- 296

15.1.1. Outline------------------------------------------------ 296
15.1.2. Maintenance Check Items/Component 

Locations -------------------------------------------- 296

15.2. Maintenance--------------------------------------------- 298

15.2.1. Cleaning the White Plates and Glass -------- 298
15.2.2. Cleaning the Document Feeder Rollers ----- 300
15.2.3. Cleaning the recording paper feeder 

rollers of the multi-purpose tray---------------- 301

15.2.4. Cleaning the pickup rollers---------------------- 302
15.2.5. Cleaning the drum cartridge -------------------- 303

15.3. Printing Operation Principle ------------------------- 304

15.3.1. Process Chart and Process BIAS ------------- 304
15.3.2. Charging --------------------------------------------- 304
15.3.3. Exposing--------------------------------------------- 305
15.3.4. Developing and Transcription ------------------ 305
15.3.5. Cleaning of Transfer Roller --------------------- 306
15.3.6. Fixing ------------------------------------------------- 307

15.4. Terminal Guide of the ICs Transistors and 

Diodes----------------------------------------------------- 308

15.4.1. Main Board(1) -------------------------------------- 308
15.4.2. Main Board(2) -------------------------------------- 309
15.4.3. Operation Board ----------------------------------- 309
15.4.4. Print Sensor Relay Board ----------------------- 309
15.4.5. Center Relay Board------------------------------- 309
15.4.6. Varistor Board -------------------------------------- 309
15.4.7. ADF Relay Board---------------------------------- 310
15.4.8. MPT Relay Board --------------------------------- 310
15.4.9. High Voltage Power Supply Board (HVPS 

Board) ------------------------------------------------ 310

15.4.10. Low Voltage Power Supply Board (SMPS 

Board) ------------------------------------------------ 310

15.5. How to Replace the Flat Package IC --------------311

15.5.1. Preparation-------------------------------------------311
15.5.2. Removal Procedure--------------------------------311
15.5.3. Procedure ------------------------------------------- 312
15.5.4. Removing Solder From Between Pins ------- 312

15.6. Main Board Section------------------------------------ 313

15.6.1. NG Example ---------------------------------------- 314

15.7. Test Chart ------------------------------------------------ 315

15.7.1. ITU-T No.1 Test Chart---------------------------- 315
15.7.2. ITU-T No.2 Test Chart---------------------------- 316

16 Schematic Diagram -------------------------------------------317

16.1. For Schematic Diagram------------------------------- 317
16.2. Main Board (KX-MB2230) ----------------------------318

16.2.1. Main Board(1)--------------------------------------- 318
16.2.2. Main Board(2)--------------------------------------- 322
16.2.3. Main Board(3)--------------------------------------- 324
16.2.4. Main Board(4)--------------------------------------- 326
16.2.5. Main Board(5)--------------------------------------- 328
16.2.6. Main Board(6)--------------------------------------- 330

16.3. Main Board (KX-MB2270) ----------------------------332

16.3.1. Main Board(1)--------------------------------------- 332
16.3.2. Main Board(2)--------------------------------------- 336
16.3.3. Main Board(3)--------------------------------------- 338
16.3.4. Main Board(4)--------------------------------------- 340
16.3.5. Main Board(5)--------------------------------------- 342
16.3.6. Main Board(6)--------------------------------------- 344

16.4. Main Board (KX-MB2510) ----------------------------346

16.4.1. Main Board(1)--------------------------------------- 346
16.4.2. Main Board(2)--------------------------------------- 350
16.4.3. Main Board(3)--------------------------------------- 352
16.4.4. Main Board(4)--------------------------------------- 354
16.4.5. Main Board(5)--------------------------------------- 356
16.4.6. Main Board(6)--------------------------------------- 358

16.5. Main Board (KX-MB2540) ----------------------------360

16.5.1. Main Board(1)--------------------------------------- 360
16.5.2. Main Board(2)--------------------------------------- 364
16.5.3. Main Board(3)--------------------------------------- 366
16.5.4. Main Board(4)--------------------------------------- 368
16.5.5. Main Board(5)--------------------------------------- 370
16.5.6. Main Board(6)--------------------------------------- 372

16.6. Sensor Board (KX-MB2230) -------------------------374

16.6.1. Operation Board------------------------------------374
16.6.2. Sensor Board --------------------------------------- 375

16.7. Sensor Board (KX-MB2270) -------------------------376

16.7.1. Operation Board------------------------------------376
16.7.2. Sensor Board --------------------------------------- 377

16.8. Sensor Board (KX-MB2510) -------------------------378

16.8.1. Operation Board------------------------------------378
16.8.2. Sensor Board --------------------------------------- 379

16.9. Sensor Board (KX-MB2540) -------------------------380

16.9.1. Operation Board------------------------------------380
16.9.2. Sensor Board --------------------------------------- 381

16.10. Back Light Board----------------------------------------382

16.11. High Voltage Power Supply Board (HVPS 

Board) -----------------------------------------------------383

16.12. Low Voltage Power Supply Board (SMPS 

Board) -----------------------------------------------------384

17 Printed Circuit Board-----------------------------------------386

17.1. Main Board  ----------------------------------------------386

17.1.1. Main Board: Component View------------------386
17.1.2. Main Board: Bottom View------------------------387

17.2. Sensor Board  -------------------------------------------388

17.2.1. Operation Board -----------------------------------388
17.2.2. PICK UP RELAY Board --------------------------389
17.2.3. PRINT SENSOR RELAY Board----------------389
17.2.4. TONER SENSOR Board-------------------------389
17.2.5. INTERLOCK SWITCH Board -------------------389
17.2.6. CENTER RELAY Board --------------------------389
17.2.7. REAR SENSOR Board ---------------------------390
17.2.8. FUSER Board--------------------------------------- 390
17.2.9. VARISTOR Board----------------------------------390