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ORDER NO.KMF1106361CE

(for Russia)

2

KX-MB1500RU/KX-MB1520RU/KX-MB1530RU

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 ------------------------------------------- 12

4.1. Optional Accessories------------------------------------ 12
4.2. Translation Lists ------------------------------------------ 12

4.2.1. Error Message (Report)---------------------------- 12
4.2.2. Error Message (Display)--------------------------- 13

5 Features ------------------------------------------------------------ 14

5.1. General Features----------------------------------------- 14
5.2. Hardware Requirements for Multi-Function

Software ---------------------------------------------------- 14

6 Technical Descriptions---------------------------------------- 15

6.1. Connection Diagram------------------------------------- 15
6.2. General Block Diagram--------------------------------- 16
6.3. Main Board Section-------------------------------------- 18

6.3.1. Data Flow---------------------------------------------- 18
6.3.2. RTC Backup Circuit (KX-MB1520/KX-

MB1530 ONLY)  ------------------------------------- 27

6.3.3. Modem Circuit Operation (KX-MB1520/

KX-MB1530 ONLY) --------------------------------- 28

6.3.4. TEL Line Section (KX-MB1520/KX-

MB1530 ONLY) -------------------------------------- 29

6.4. NCU Section (KX-MB1520/KX-MB1530

ONLY) ------------------------------------------------------- 31

6.4.1. General ------------------------------------------------ 31
6.4.2. EXT. TEL. Line Relay (RLY100) ----------------- 31
6.4.3. Bell Detection Circuit ------------------------------- 31
6.4.4. Pulse Dial Circuit ------------------------------------ 31
6.4.5. Line Amplifier and Side Tone Circuit------------ 31
6.4.6. Remote FAX Activation Circuit ------------------- 32
6.4.7. TAM Interface Circuit ------------------------------- 32

6.5. Speaker Phone Section (KX-MB1520/KX-

MB1530 ONLY) ------------------------------------------- 33

6.5.1. General ------------------------------------------------ 33

6.6. CIS Control Section-------------------------------------- 34
6.7. Motor Drive Section-------------------------------------- 36

6.7.1. Engine Motor Control Circuit --------------------- 36
6.7.2. FB (Flat bed) motor drive circuit (KX-

MB1500/1520 ONLY)------------------------------- 39

6.7.3. Scanner motor drive circuit (KX-MB1530

ONLY) -------------------------------------------------- 41

6.8. Timing chart and wave form of scanner

motors (KX-MB1500/1520 ONLY) ------------------- 44

6.8.1. Drive mode of FB motor--------------------------- 44
6.8.2. Normal 1-2 phase excitation (half step)  ------ 45
6.8.3. W1-2 phase excitation (Quarter step) --------- 46

6.9. Timing chart and wave form of scanner

motors (KX-MB1530 ONLY) -------------------------- 47

6.9.1. Drive mode of FB and ADF motor -------------- 47
6.9.2. Normal torque 1-2 phase excitation (half

step)   -------------------------------------------------- 48

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

----------------------------------------------------------- 49

6.9.4. W 1-2 phase excitation (Quarter step) -------- 50

6.10. FAN Motor Section -------------------------------------- 51

6.10.1. General ------------------------------------------------ 51
6.10.2. Circuit Diagram of FAN ---------------------------- 51
6.10.3. Speed Control Block ------------------------------- 51
6.10.4. Abnormal detect and Lock protect Block------ 54

6.11. Solenoid Driver Section -------------------------------- 55

6.12. LSU (Laser Scanning Unit) Section----------------- 56
6.13. Sensors and Switches Section----------------------- 58

6.13.1. Pick up & Resist & Manual paper sensor  ---- 59
6.13.2. Print timing sensor---------------------------------- 59
6.13.3. Exit sensor-------------------------------------------- 60
6.13.4. Interlock switch -------------------------------------- 60
6.13.5. Toner Sensor----------------------------------------- 61
6.13.6. Document Sensor (KX-MB1530 ONLY)------- 62
6.13.7. Read Position Sensor (KX-MB1530

ONLY)-------------------------------------------------- 62

6.13.8. Drum Life sensor circuit --------------------------- 63

6.14. Operation Board Section ------------------------------ 64
6.15. LCD Section----------------------------------------------- 65
6.16. HVPS (High Voltage Power Supply) Section ----- 66

6.16.1. HVPS Specification for EUK1MNB31HA------ 66
6.16.2. CHG-BIAS (Charge BIAS)/UNIT ---------------- 66
6.16.3. DEV DC BIAS UNIT-------------------------------- 67
6.16.4. DEV AC BIAS UNIT -------------------------------- 67
6.16.5. TRA (-) BIAS (Transfer (-) BIAS)/TRA (+)

BIAS (Transfer (+) BIAS) UNIT------------------ 67

6.17. Heat Lamp Control Circuit ----------------------------- 68
6.18. Main Board Power Supply Section------------------ 73

6.18.1. 3.3V and 1.2V Power Supply Descriptions

(KX-MB1500/1520 ONLY) ------------------------ 73

6.18.2. 3.3V and 1.2V Power Supply Descriptions

(KX-MB1530 ONLY)-------------------------------- 74

6.18.3. +5VD Power Supply Descriptions (KX-

MB1500/1520 ONLY) ------------------------------ 75

6.18.4. +5VD Power Supply Descriptions (KX-

MB1530 ONLY)-------------------------------------- 77

6.19. Power Supply Board Section ------------------------- 79
6.20. Mechanical Operation ---------------------------------- 80

6.20.1. Printing ------------------------------------------------ 80

7 Location of Controls and Components ----------------- 81

7.1. Overview --------------------------------------------------- 81

7.1.1. Front view--------------------------------------------- 81
7.1.2. Rear view --------------------------------------------- 82

7.2. Control Panel --------------------------------------------- 83

8 Installation Instructions -------------------------------------- 84

3

KX-MB1500RU/KX-MB1520RU/KX-MB1530RU

8.1. Installation --------------------------------------------------84

8.1.1. Installation Space ------------------------------------84
8.1.2.  Recording Paper ------------------------------------85
8.1.3. Documents the Unit Can Send -------------------88
8.1.4. Using the automatic document feeder (KX-

MB1530 ONLY)---------------------------------------89

8.1.5. Toner Cartridge---------------------------------------90
8.1.6. Required computer environment-----------------93
8.1.7.  Installing Multi-Function Station on a

computer -----------------------------------------------94

8.2. Connections------------------------------------------------95

9 Operating Instructions-----------------------------------------97

9.1.  Your Logo (KX-MB1520/KX-MB1530 ONLY) -----97
9.2. Character entry (KX-MB1520/KX-MB1530

ONLY) -------------------------------------------------------98

9.2.1. To Select Characters Using [] or []---------------98

10 Test Mode ----------------------------------------------------------99

10.1. Test Functions ---------------------------------------------99

10.1.1. DTMF Single Tone Transmit Selection

(KX-MB1520/KX-MB1530 ONLY)-------------- 100

10.1.2. Button Code Table (KX-MB1500 ONLY) ----- 101
10.1.3. Button Code Table (KX-MB1520/KX-

MB1530 ONLY)------------------------------------- 101

10.1.4. Print Test Pattern ---------------------------------- 102

11 Service Mode --------------------------------------------------- 103

11.1. Programming and Lists ------------------------------- 103

11.1.1. Operation -------------------------------------------- 103
11.1.2. Operation Flow ------------------------------------- 103
11.1.3. Service Function Table (KX-MB1500

ONLY)------------------------------------------------- 104

11.1.4. Service Function Table (KX-MB1520/KX-

MB1530 ONLY)------------------------------------- 104

11.1.5. Memory Clear Specification --------------------- 106

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

the SYSTEM SETUP LIST the unit prints out.) - 107

11.3. Service Mode Settings (Example of a printed

out list) (KX-MB1520/KX-MB1530 ONLY)-------- 112

11.4. History (Example of a printed out list) ------------- 113

11.4.1. Descriptions of The History Report------------ 114

12 Troubleshooting Guide -------------------------------------- 115

12.1. User Recoverable Errors ----------------------------- 115
12.2. Remote Programming (KX-MB1520/KX-

MB1530 ONLY) ----------------------------------------- 117

12.2.1. Entering the Remote Programming Mode

and Changing Service Codes (KX-
MB1520/KX-MB1530 ONLY)-------------------- 118

12.2.2. Program Mode Table------------------------------ 119

12.3. Troubleshooting Details ------------------------------- 124

12.3.1. Outline ------------------------------------------------ 124
12.3.2. Starting Troubleshooting ------------------------- 124
12.3.3. Initialization------------------------------------------ 125
12.3.4. Simple Check List --------------------------------- 126
12.3.5. Simplified Troubleshooting Guide ------------- 127
12.3.6. CALL SERVICE Troubleshooting Guide ----- 130
12.3.7. Print --------------------------------------------------- 136
12.3.8. Recording Paper Feed --------------------------- 142
12.3.9. ADF (Auto document feed) Section (KX-

MB1530 ONLY)------------------------------------- 148

12.3.10. Communication  Section (KX-MB1520/KX-

MB1530 ONLY) ------------------------------------ 154

12.3.11. Special Service Journal Reports (KX-

MB1520/KX-MB1530 ONLY) ------------------- 159

12.3.12. Initializing Error ------------------------------------ 172
12.3.13. Analog Section (KX-MB1520/KX-MB1530

ONLY) ------------------------------------------------ 173

12.3.14. Operation Panel Section ------------------------ 176
12.3.15. Sensor Section------------------------------------- 176
12.3.16. Motor Section -------------------------------------- 181
12.3.17. LSU Section ---------------------------------------- 185
12.3.18. CIS Control Section------------------------------- 186
12.3.19. High Voltage Value Check Point--------------- 188
12.3.20. High Voltage Section ----------------------------- 190
12.3.21. USB Section ---------------------------------------- 195
12.3.22. Main Board Section------------------------------- 200
12.3.23. Power Supply Board Section------------------- 201

12.4. Recording Paper Jam--------------------------------- 204

12.4.1. When the recording paper has jammed

inside of the unit ----------------------------------- 204

12.4.2. When the recording paper is not fed into

the unit properly ----------------------------------- 207

12.4.3. When the recording paper in the manual

input tray is not fed into the unit properly---- 208

12.5. Document jams (Automatic document feeder)

(KX-MB1530 ONLY)----------------------------------- 209

13 Service Fixture & Tools --------------------------------------211
14 Disassembly and Assembly Instructions------------- 212

14.1. Flow Chart for Disassembly ------------------------- 213
14.2. How to Remove Rear Cover ------------------------ 214
14.3. How to Remove Front Cover  ----------------------- 214
14.4. How to Remove Right Cover------------------------ 215
14.5. How to Remove Left Cover-------------------------- 216
14.6. How to Remove FB Unit (KX-MB1500/1520

ONLY)----------------------------------------------------- 217

14.7. How to Remove FB Unit (KX-MB1530 ONLY)-- 218
14.8. How to Remove Upper Cabinet Cover ----------- 219
14.9. How to Remove Bottom Plate ---------------------- 220

14.10. How to Remove LVPS -------------------------------- 221

14.11. How to Remove Fuser Unit-------------------------- 222

14.12. How to Remove Main Board, Fan, HVPS and

Inter-lock Board----------------------------------------- 222

14.13. How to Remove Main Board and Shield Cover

(KX-MB1500 ONLY)----------------------------------- 223

14.14. How to Remove Main Board and Shield Cover

(KX-MB1520/1530 ONLY) --------------------------- 223

14.15. How to Remove Drive Unit -------------------------- 224
14.16. How to Remove Clutch Gear Cover--------------- 224
14.17. How to Remove Pick-up Roller --------------------- 225
14.18. How to Remove Operation Panel Unit------------ 226
14.19. How to Remove ADF Unit (KX-MB1530

ONLY)----------------------------------------------------- 227

14.20. How to Disassemble FB Unit (KX-MB1500/

1520 ONLY) --------------------------------------------- 228

14.21. How to Disassemble FB Unit (KX-MB1530

ONLY)----------------------------------------------------- 229

14.22. How to Take off glass pad (KX-MB1530

ONLY)----------------------------------------------------- 230

14.23. How to Remove Conveyer Cover Unit (KX-

MB1530 ONLY)----------------------------------------- 231

14.24. How to Remove LSU and Glasses ---------------- 232
14.25. Installation Position of The Lead ------------------- 233

14.25.1. Main cabinet section------------------------------ 233

4

KX-MB1500RU/KX-MB1520RU/KX-MB1530RU

14.25.2. Side cabinet section(1)--------------------------- 234
14.25.3. Side cabinet section (2)-------------------------- 235
14.25.4. Side cabinet section (3)-------------------------- 236
14.25.5. Side cabinet section (4)-------------------------- 237
14.25.6. Side cabinet section (5)-------------------------- 238
14.25.7. Fuser section --------------------------------------- 239
14.25.8. ADF section (KX-MB1530 ONLY) ------------- 240
14.25.9. Power supply unit section ----------------------- 241

15 Maintenance ---------------------------------------------------- 242

15.1. Maintenance Items and Component Locations- 242

15.1.1. Outline------------------------------------------------ 242
15.1.2. Maintenance Check Items/Component

Locations -------------------------------------------- 242

15.2. Maintenance--------------------------------------------- 244

15.2.1. Cleaning the White Plates and Glass -------- 244
15.2.2. Cleaning the document feeder rollers (KX-

MB1530 ONLY) ------------------------------------ 246

15.3. Printing Operation Principle ------------------------- 247

15.3.1. Process Chart and Process BIAS ------------- 247
15.3.2. Charging --------------------------------------------- 247
15.3.3. Exposing--------------------------------------------- 248
15.3.4. Developing and Transcription ------------------ 249
15.3.5. Cleaning of Transfer Roller --------------------- 250
15.3.6. Fixing ------------------------------------------------- 251

15.4. Terminal Guide of The ICs Transistors and

Diodes----------------------------------------------------- 252

15.4.1. Main Board------------------------------------------ 252
15.4.2. Operation Board ----------------------------------- 253
15.4.3. Inter-lock Board ------------------------------------ 253
15.4.4. Gear Board------------------------------------------ 253
15.4.5. Toner Sensor Board ------------------------------ 253
15.4.6. High Voltage Power Supply Board ------------ 253
15.4.7. Low Voltage Power Supply Board------------- 254

15.5. How to Replace the Flat Package IC ------------- 255

15.5.1. Preparation------------------------------------------ 255
15.5.2. Removal Procedure------------------------------- 255
15.5.3. Procedure ------------------------------------------- 256
15.5.4. Removing Solder From Between Pins ------- 256

15.6. Main Board Section------------------------------------ 257

15.6.1. NG Example ---------------------------------------- 258

15.7. Test Chart ------------------------------------------------ 259

15.7.1. ITU-T No.1 Test Chart---------------------------- 259
15.7.2. ITU-T No.2 Test Chart---------------------------- 260

16 Schematic Diagram------------------------------------------- 261

16.1. For Schematic Diagram ------------------------------ 261
16.2. Main Board (KX-MB1500 ONLY)------------------- 262

16.2.1. Main Board (1) ------------------------------------- 262
16.2.2. Main Board (2) ------------------------------------- 266

16.3. Main Board (KX-MB1520 ONLY)------------------- 268

16.3.1. Main Board (1) ------------------------------------- 268
16.3.2. Main Board (2) ------------------------------------- 272
16.3.3. Main Board (3) ------------------------------------- 274

16.4. Main Board (KX-MB1530 ONLY)------------------- 276

16.4.1. Main Board (1) ------------------------------------- 276
16.4.2. Main Board (2) ------------------------------------- 280
16.4.3. Main Board (3) ------------------------------------- 282

16.5. Sensor Board-------------------------------------------- 284

16.5.1. Operation Board (KX-MB1500 ONLY) ------- 284
16.5.2. Operation Board (KX-MB1520/KX-

MB1530 ONLY) ------------------------------------ 285

16.5.3. Sensor Board (KX-MB1500/1520 ONLY) --- 286

16.5.4. Sensor Board (KX-MB1530 ONLY) -----------287

16.6. High Voltage Power Supply Board -----------------288
16.7. Low Voltage Power Supply Board------------------289

17 Printed Circuit Board-----------------------------------------291

17.1. Main Board (KX-MB1500 ONLY) -------------------291

17.1.1. Main Board: Component View------------------291
17.1.2. Main Board: Bottom View------------------------292

17.2. Main Board (KX-MB1520 ONLY) -------------------293

17.2.1. Main Board: Component View------------------293
17.2.2. Main Board: Bottom View------------------------294

17.3. Main Board (KX-MB1530 ONLY) -------------------295

17.3.1. Main Board: Component View------------------295
17.3.2. Main Board: Bottom View------------------------296

17.4. Sensor Board (KX-MB1500/1520 ONLY)---------297

17.4.1. Operation Board------------------------------------297
17.4.2. Operation Board (KX-MB1520 ONLY)--------298
17.4.3. Interlock Board -------------------------------------298
17.4.4. Gear Board ------------------------------------------298
17.4.5. Toner Sensor Board -------------------------------299
17.4.6. Fuser Board -----------------------------------------299

17.5. Sensor Board (KX-MB1530 ONLY) ----------------300

17.5.1. Operation Board------------------------------------300
17.5.2. Operation Board (MIC) ---------------------------301
17.5.3. Interlock Board -------------------------------------301
17.5.4. Gear Board ------------------------------------------301
17.5.5. Toner Sensor Board -------------------------------302
17.5.6. Fuser Board -----------------------------------------302
17.5.7. ADF Board-------------------------------------------302

17.6. High Voltage Power Supply Board -----------------303

17.6.1. High Voltage Power Supply Board:

Component View-----------------------------------303

17.6.2. High Voltage Power Supply Board: Bottom

View ---------------------------------------------------303

17.7. Low Voltage Power Supply Board------------------304

17.7.1. Low Voltage Power Supply Board:

Component View-----------------------------------304

17.7.2. Low Voltage Power Supply Board: Bottom

View ---------------------------------------------------304

MB1500/1520 ONLY) ------------------------------------------306

18.1. General Section-----------------------------------------307

18.1.1. Operation Panel Section -------------------------308
18.1.2. Top Cover Section (1) ----------------------------310
18.1.3. Top Cover Section (2)-----------------------------312
18.1.4. Top Cover Section (3)-----------------------------314
18.1.5. Top Cover Section (4)-----------------------------316
18.1.6. Fuser Section ---------------------------------------318
18.1.7. Main Cabinet Section (1)-------------------------320
18.1.8. Main Cabinet Section (2)-------------------------322
18.1.9. Main Cabinet Section (3)-------------------------324

18.1.10. Main Cabinet Section (4)-------------------------326

18.1.11. Left-side Cabinet Section(1) --------------------328

18.1.12. Left-side Cabinet Section(2) --------------------330
18.1.13. Left-side Cabinet Section(3) --------------------332
18.1.14. Power Supply Unit Section ----------------------334
18.1.15. Base Cassette Section ---------------------------336
18.1.16. Main Unit Section (1)------------------------------338
18.1.17. Main Unit Section (2)------------------------------340
18.1.18. Actual Size of Screws and Washer------------342
18.1.19. Accessories and Packing Materials -----------344

18.2. Electrical Parts List -------------------------------------346