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Panasonic KX MC6020 Service Manual - Page 427

High Voltage Power Supply, Board: Component View

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18.5. High Voltage Power Supply Board 18.5.1. High Voltage Power Supply Board: Component View R001 D101 C108 Q102 E EUKMBNA27H IC501 JA12 CAUTION R104 R116 T101 R128 R123 R127 JA9 D102 A 2 CN1 1 C114 C115 JC15 JC19 R438 JC10 JC15 R214 R213 R126 R122 C113 R129 C116 R124 1 C209 R224 R210 CN3 R125 R269 C218 R261 R270 C219 R263 JA1 R271 R216 C220 R266 R259 C217 R280 ZD204 ZD203 JC16 C107 R203 D209 R250 E C210 JA14 Q204 JC17 JA11 C514 JC18 PbF JC21 C205 ZD202 R281 R260 R262 R282 D210 R251 JA16 E Q205 JA13 R206 C206 JA21 R401 JC20 R339 JC7 R242 R209 R264 JA17 R252 C211 R283 E C207 D211 Q206 ZD201 R257 JA18 E Q207 R253 D205 D201 D208 R249 C201 IP101 N38 JA19 R230 A30C5 R268 R267 Q203 E D204 C203 JA7 R460 VR403 C316 D319 NPKMA27B T201 D206 C212 C314 R355 ZD302 D301 C308 JA4 JA8 R316 ZD303 R327 C305 R335 D306 C302 C310 T301 Q305 C309 JA5 Q304 E D304 R337 JC9 R352 R302 R303 R338 R341 D302 R329 JC14 JC13 T302 C323 JA6 D313 D310 D309 R333 R330 R336 R331 C306 D308 C311 D314 D311 C408 C303 R421 R446 C406 R334 R425 ZD404 JA2 C405 T401 C414 R420 T402 D407 R317 C401 FG D401 Q404 E C412 JA3 D405 7694V-0 KPC V-0 R408 JC2 Q303 E D303 C301 JC12 JC11 R310 C304 D312 R345 JC10 C317 R304 Q403 E JC6 JA20 JC8 D406 VR402 C404 R417 C403 JC5 JC3 R405 C402 R332 CN2 1 C320 D307 R422 R445 R461 C420 CAUTION HIGH VOLTAGE 1W JC4 JC22 VR401 JC1 KX-MC6020HX HIGH VOLTAGE POWER SUPPLY BOARD COMPONENT VIEW KX-MC6020HX 427

Section	Page
ORDER NO. KMF0811207CE	1
1 Safety Precautions	3
1.1. For Service Technicians	3
1.2. AC Caution	3
1.3. Personal Safety Precautions	4
1.3.1. Moving Sections of The Unit	4
1.3.2. Live Electrical Sections	4
1.4. Service Precautions	5
1.4.1. Precautions to Prevent Damage From Static Electricity	5
2 Warning	5
2.1. About Lead Free Solder (PbF: Pb free)	5
2.1.1. Suggested PBF Solder	5
2.2. Discarding of P. C. Board	6
2.3. Insulation Resistance Test	6
2.4. Battery Caution	6
2.4.1. Information for Users on Collection and Disposal of Old Equipment and used Batteries	6
2.5. Laser Beam and Fuser Unit Section	7
3 Specifications	8
4 General/Introduction	9
4.1. Optional Accessories	9
4.2. Translation Lists	9
4.2.1. Help Function	9
4.2.2. Error Message (Report)	10
4.2.2.1. CZECH	10
4.2.2.2. SLOVAK	10
4.2.2.3. HUNGARIAN	10
4.2.3. Error Message (Display)	11
4.2.3.1. CZECH	11
4.2.3.2. SLOVAK	13
4.2.3.3. HUNGARIAN	15
4.3. Precautions for Shipping	17
4.3.1. Necessary Items and Procedures for Each Service Type	17
4.3.2. Repack Procedure	20
5 Features	30
5.1. General Features	30
5.2. Hardware Requirements for Multi-Function Software	30
6.1. Connection Diagram	31
6.2. General Block Diagram	32
6.3. Main Board Section	35
6.3.1. Data Flow	35
6.3.2. RTC Backup Circuit	51
6.3.3. Modem Circuit Operation	51
6.3.4. TEL Line Section	52
6.3.4.1. Description of Block Diagram in Analog Section	52
6.3.4.2. Block Diagram	52
6.4. NCU Section	53
6.4.1. General	53
6.4.2. EXT. TEL. Line Relay (RY100)	53
6.4.3. BELL Detection Circuit	53
6.4.4. Calling Line Identification Circuit	53
6.4.5. Remote FAX Activation Circuit	53
6.4.6. TAM Interface Circuit	53
6.5. ITS (Integrated Telephone System) and Monitor Section	54
6.5.1. General	54
6.5.1.1. Telephone Monitor	54
6.5.1.2. Handset Circuit	54
6.5.1.3. Monitor Circuit	54
6.5.1.4. TAM Interface Section	54
6.6. CIS Control Section	55
6.7. Motor Drive Section	56
6.7.1. Engine Motor Control Circuit	56
6.7.1.1. BK Motor Control Circuit	56
6.7.1.2. Color Motor Control Circuit	57
6.7.2. Scanner Motor Drive Circuit	59
6.7.2.1. Motor Current Control Circuit	59
6.7.2.2. FB (FLATBED) Motor Drive Circuit	60
6.7.2.3. ADF (AUTOMATIC DOCUMENT FEEDER) Motor Drive Circuit	60
6.7.3. ADU (Automatic Duplex Unit (Option)) Motor Drive Circuit	61
6.7.3.1. Motor Current Control Circuit	61
6.7.3.2. ADU (Automatic Duplex Unit (Option)) Motor Drive Circuit	62
6.7.4. Optional Lower Input Tray Motor (OPF Motor) Drive Circuit	63
6.7.4.1. Motor Current Control Circuit	63
6.7.4.2. Optional Lower Input Tray Motor (OPF Motor) Drive Circuit	64
6.8. Timing Chart and Waveform of Scanner Motors	65
6.8.1. Normal 1-2 Phase Excitation (Half Step)	65
6.8.2. Flat Torque 1-2 Phase Excitation (Half Step)	66
6.8.3. W 1-2 Phase Excitation (Quarter Step)	67
6.8.4. Drive Mode of FB and ADF Motor	68
6.9. Timing Chart and Waveform of Optional Unit Motors	69
6.9.1. Normal 1-2 Phase Excitation (Half Step)	69
6.10. Fan Section	70
6.10.1. Fuser Fan	70
6.10.2. PSU Fan	71
6.11. Solenoid Driver Section	72
6.12. LSU (Laser Scanning Unit) Section	73
6.12.1. LSU (Laser Scanning Unit) Layout	73
6.12.2. Circuit Diagram	74
6.12.2.1. Block Diagram	74
6.12.2.2. Circuit Diagram	75
6.12.3. Timing Diagram	76
6.13. Sensors and Switches Section	78
6.13.1. OPC Home Sensor	79
6.13.2. FTR Home Sensor	80
6.13.3. Registration and Paper Pick Home Sensor	80
6.13.4. Registration and Paper (Paper Sensor)	81
6.13.5. Registration and Paper (Resistration Sensor)	81
6.13.6. Registration and Paper Cassette Sensor	82
6.13.7. Fuser Jam Sensor	82
6.13.8. CIS Home Sensor	83
6.13.9. ADF Document Sensor	83
6.13.10. ADF Read Position Sensor	84
6.13.11. Waste Toner Sensor	84
6.13.12. Toner Sensor	86
6.13.13. Drum Cartridge Virgin Sensor	89
6.13.14. Waste Toner Bottle Switch	90
6.13.15. Front/left Cover Switch	90
6.13.16. 24V Interlock Switch	90
6.13.17. 5V Interlock Switch	91
6.13.18. Handset Hook Switch	91
6.13.19. Color Registration Detection Circuit	92
6.13.20. Humidity/Temperature Sensor Circuits	95
6.13.20.1. Temperature Sensor (Characteristics of Temperature Detection Thermistor)	96
6.13.20.2. Humidity Sensor (Characteristics of Humidity Detection Thermistor)	97
6.13.21. Optional OPF Paper Sensor	98
6.13.22. Optional OPF Jam Sensor	98
6.13.23. Optional OPF Cassette Sensor	99
6.13.24. Optional OPF Cover Switch	100
6.13.25. Optional ADU Jam Sensor	100
6.13.26. Optional ADU Cover Switch	100
6.14. Operation Board Section	101
6.15. LCD Section	102
6.16. Heat Lamp Control Circuit	103
6.17. HVU (High Voltage Power Supply Board) Section	107
6.17.1. High Voltage Circuit	107
6.17.2. Charge Control Circuit	107
6.17.3. Development Bias Control Circuit	108
6.17.4. Toner Supply Bias Control Circuit	108
6.17.5. First Transfer Control Circuit ( FTR )	108
6.17.6. Second Transfer Control Circuit (STR)	109
6.17.7. Reverse Bias Control Circuit	109
6.17.8. Charger Error Detecting Circuit	109
6.17.9. D/A Convertor (8bit, 12ch) Interface Circuit	110
6.17.10. Interface	111
6.18. Main Board Section	112
6.18.1. Main Unit Power Supply Circuit Block Diagram	112
6.18.2. DC-DC Power Supply Circuit (3.3V / 2.5V / 1.5V / 1.2V)	113
6.18.3. Regulator Circuit (5V)	115
6.18.4. Regulator Circuit (1.25V)	115
6.18.5. Reset Circuit	115
6.19. PSU (Low Voltage Power Supply Board) Section	116
6.20. Mechanical Operation	117
6.20.1. Color Motor Rotation Travel	117
6.20.1.1. Color Motor Rotation Travel for Driving 3 Color (CMY) Drum Cartridges	118
6.20.1.2. Color Motor Rotation Travel for Driving 3 Color (CMY) Toner Cartridges	119
6.20.2. BK Motor Rotation Travel	120
6.20.3. BK Motor Rotation Travel for Driving Black Drum Cartridge	121
6.20.3.1. BK Motor Rotation Travel for Driving Accumulator Unit and Black Toner Cartridge	122
6.20.3.2. BK Motor Rotation Travel for Driving Fuser Unit	123
6.20.3.3. BK Motor Rotation Travel for Driving Waste Toner Cartridge	124
6.20.3.4. BK Motor Rotation Travel for Driving Accumulator Unit	125
6.20.4. Print Process	126
6.20.4.1. Charging	127
6.20.4.2. Laser Exposure and Scanning	127
6.20.4.2.1. Laser Exposure	127
6.20.4.2.2. Laser Scanning	128
6.20.4.3. Developing	128
6.20.4.4. Toner Transfer to the Accumulator Belt	129
6.20.4.5. Paper Pickup	129
6.20.4.6. Toner Transfer to Paper	130
6.20.4.7. Fusing	131
6.20.4.8. Paper Exit and Paper Switchback	132
6.20.4.8.1. Normal Printing Mode (Not Duplex Printing Mode)	132
6.20.4.8.2. Duplex Printing Mode (Paper Switchback)	133
7 Location of Controls and Components	134
7.1. Overview	134
7.1.1. Front view	134
7.1.2. Rear view	134
7.2. Control Panel	135
8 Installation Instructions	136
8.1. Installation	136
8.1.1. Toner Cartridge and Drum Cartridge	136
8.1.1.1. When to replace the toner cartridge and the drum cartridge	141
8.1.2. Recording Paper	142
8.1.2.1. Using the paper input tray	142
8.1.3. Handset Unit	144
8.1.4. Documents The Unit Can Send	147
8.1.4.1. Using the Scanner Glass	147
8.1.4.2. Using the automatic document feeder	147
8.1.5. Connecting to a computer	148
8.1.6. Installing Multi-Function Station on a computer	148
8.2. Connections	150
9 Operating Instructions	152
9.1. YOUR LOGO	152
9.1.1. To Select Characters with The Dial Keypad	153
9.1.2. To Select Characters Using [] OR []	153
10 Test Mode	154
10.1. Test Functions	154
10.1.1. DTMF Single Tone Transmit Selection	156
10.1.2. Button Code Table	156
11 Service Mode	157
11.1. Programming and Lists	157
11.1.1. Operation	157
11.1.2. Operation Flow	157
11.1.3. Specifications	158
11.1.3.1. Service Mode #884: History	158
11.1.3.2. Service Mode #852: Color Printing Test	159
11.1.4. Service Function Table	159
11.1.5. Memory Clear Specification	162
11.2. User Mode (The list below is an example of the SYSTEM SETUP LIST the unit prints out.)	163
11.3. Service Mode Settings (Example of a printed out list)	165
11.4. History	166
11.4.1. Description of The History Report	167
12 Troubleshooting Guide	168
12.1. User Recoverable Errors	168
12.2. User Recoverable Network Errors	171
12.3. Remote Programming	174
12.3.1. Entering The Remote Programming Mode and Changing Service Codes	175
12.3.2. Program Mode Table	176
12.3.2.1. User Function	176
12.3.2.2. Service Function	178
12.4. Troubleshooting Details	180
12.4.1. Outline	180
12.4.2. Starting Troubleshooting	180
12.4.3. Initialization	181
12.4.4. Simple Check List	182
12.4.5. Simplified Troubleshooting Guide	183
12.4.5.1. Printing	183
12.4.5.2. Jam	184
12.4.6. Call Service Troubleshooting Guide	186
12.4.6.1. CALL SERVICE 1	188
12.4.6.2. CALL SERVICE 2	189
12.4.6.3. CALL SERVICE 3	190
12.4.6.4. CALL SERVICE 4	191
12.4.6.5. CALL SERVICE 5	192
12.4.6.6. CALL SERVICE 6	193
12.4.6.7. CALL SERVICE 11	194
12.4.6.8. CALL SERVICE 12	195
12.4.6.9. CALL SERVICE 13	196
12.4.6.10. CALL SERVICE 14	197
12.4.6.11. CALL SERVICE 15	198
12.4.6.12. CALL SERVICE 16	199
12.4.6.13. CALL SERVICE 17	200
12.4.6.14. CALL SERVICE 18	201
12.4.6.15. CALL SERVICE 19	202
12.4.6.16. CALL SERVICE 20	203
12.4.7. Print Quality	204
12.4.7.1. Blank Print	204
12.4.7.2. All-black Print	205
12.4.7.3. Missing Primary Color	206
12.4.7.4. Light Print	207
12.4.7.5. Repeated Spots or Lines on Print in-line with Each Other	208
12.4.7.6. Dark Vertical Line in Print	209
12.4.7.7. White Horizontal Line or Band in all the Color of a Print	210
12.4.7.8. Mis-transfer, Missing Portions of Toner	211
12.4.7.9. Dirty Background	212
12.4.7.10. Partial Primary Color Dots	213
12.4.7.11. Dark Irregular Streaks in Print	213
12.4.7.12. Primary Color Irregular Streaks	214
12.4.7.13. Ghosting	214
12.4.7.14. Unfused or Partially Fused Printing	215
12.4.7.15. Image is Skewed on the Paper	216
12.4.7.16. Stains on Back of Print	217
12.4.7.17. No Printing on Edge of Print	218
12.4.7.18. Image is not Centered on the Print When it Should Be	219
12.4.8. Jam	220
12.4.8.1. Print Media Problem	220
12.4.8.2. Print Media Skew	221
12.4.8.3. Paper Jam at the Input Tray	222
12.4.8.4. Paper Jams at the Registration Roller	223
12.4.8.5. Paper Jams at the 2nd Transfer Roller	224
12.4.8.6. Paper Jams at the Fuser Unit	225
12.4.8.7. Paper Jam at the Exit Roller	226
12.4.8.8. Wrong Paper Length Jams	227
12.4.8.9. Paper Jams at the Optional Input Tray	228
12.4.8.10. Paper Jam at Optional Automatic Duplex Unit (ADU)	229
12.4.9. Communication Section	230
12.4.9.1. Defective Facsimile Section	231
12.4.9.1.1. Transmit Problem	231
12.4.9.1.2. Sometime There is a Transmit Problem	232
12.4.9.1.3. Receive Problem	233
12.4.9.1.4. The Unit Can Copy, but Cannot Transmit/Receive	234
12.4.10. Special Service Journal Reports	235
12.4.10.1. Journal 2	236
12.4.10.2. Journal 3	237
12.4.10.3. Printout Example	237
12.4.10.4. How to Output the Journal Report	238
12.4.11. Initializing Error	247
12.4.12. Analog Section	248
12.4.12.1. Check Sheet	248
12.4.12.2. Defective ITS (Integrated Telephone System) Section	249
12.4.12.3. Defective TAM Interface Section	250
12.4.13. Operation Panel Section	251
12.4.14. Sensor Section	252
12.4.15. Motor Section	262
12.4.15.1. BK Motor	262
12.4.15.2. Color Motor	263
12.4.15.3. FB (Flatbed) Motor	264
12.4.15.4. ADF Motor (ADF provided model only)	265
12.4.15.5. ADU (Automatic Duplex Unit (Option)) Motor	266
12.4.15.6. Optional Lower Input Tray (OPF Motor)	267
12.4.16. LSU Section	268
12.4.17. CIS Control Section	269
12.4.18. High Voltage Value Check point	271
12.4.19. High Voltage Section	275
12.4.20. USB Section	284
12.4.21. LAN Section	288
12.4.22. Main Board Section	293
12.4.23. PSU (Low Voltage Power Supply Board) Section	296
12.4.23.1. Key Components for Troubleshooting	296
12.4.23.2. Troubleshooting Flow Chart	297
12.4.23.3. Broken Parts Repair Details	299
12.5. Recording Paper Jam	300
12.5.1. When the recording paper has jammed inside of the unit	301
12.5.2. When the recording paper has jammed near the optional input tray	305
12.5.3. When the recording paper is not fed into the unit properly	306
12.6. Document Jams (Automatic Document Feeder)	306
13 Service Fixture & Tools	309
14 Disassembly and Assembly Instructions	310
14.1. First of All	310
14.2. Flow Chart for Disassembly	314
14.2.1. ADF Cover Section	314
14.2.2. FB Unit, ADF Unit and LSU Unit Section	314
14.2.3. Rear Section	315
14.2.4. Accumulator Unit	315
14.2.5. Fuser Section	316
14.3. Disassembly for Main Parts	316
14.3.1. Remove ADF Section (1)	316
14.3.2. Remove ADF Section (2)	317
14.3.3. Remove ADF Section (3)	317
14.3.4. Remove ADF Section (4)	318
14.3.5. Remove Rear Cover	319
14.3.6. Remove Left Cover	319
14.3.7. Remove FB Unit and ADF Unit	320
14.3.8. Remove FB Unit Section	321
14.3.9. Remove FB Inner Section (1)	322
14.3.10. Remove FB Inner Section (2)	322
14.3.11. Remove Toner Sensor Board and Main Drive Unit	323
14.3.12. Remove PSU Shield Cover	324
14.3.13. Remove Front Cover	324
14.3.14. Remove Fuser Unit	325
14.3.15. Remove WTF Sensor Board and Registration and Paper Unit	326
14.3.16. Open Drum Cartridge Cover	326
14.3.17. Remove Accumulator unit	327
14.3.18. Remove DC Motor	327
14.3.19. Remove FTR Home Sensor Board Section	328
14.3.20. Remove Top Cover	328
14.3.21. Remove LSU Unit	329
14.3.22. Remove Right Cover	329
14.3.23. Remove Main Board	330
14.3.24. Remove High Voltage Power Supply Board	330
14.3.25. Remove Color Registration Sensor Board Ass'y	331
14.3.26. Remove Fan Section	331
14.3.27. Remove Low Voltage Power Supply Board	332
14.4. Disassembly for Main Drive Unit	333
14.4.1. Main Drive Unit Disassembly	333
14.4.1.1. Main Drive Motors [No.D1] (Procedure No. D1)	334
14.4.1.2. Fuser Idle Gear [No.D2] (Procedure No. D2)	334
14.4.1.3. Drive Unit Bracket (S), PC Idle Gears, Accumulator Idle Gears and Joint Gear [No.D3] (Procedure No. D3)	335
14.4.1.4. CMY Home Lever, PC Home Lever, OPC Cam Home Position Sensor Board, OPC Gear and Dev.Gear [No.D4] (Procedure No. D3 -> No. D4)	337
14.4.1.5. Waste Toner Box Coupling and Coupling Idle Gear [No.D5] (Procedure No. D-3 -> No. D5)	338
14.4.1.6. Accumulator Drive Cam and Accumulator Cam Idle Gear [No.D6] (Procedure No. D3 -> No. D6)	338
14.4.1.7. Drive Unit Bracket (M) and 6 Gears [No.D7] (Procedure No. D3 -> No. D7)	339
14.4.1.8. Drive Unit Bracket (L) [No.D8] (Procedure No. D3 -> No. D7 -> D8)	340
14.4.1.9. Accumulator Joint Pulley Gear, Feed Pulley Gear and Tension Roller [No.D9] (Procedure No. D3 -> No. D7 -> D8 -> D9)	341
14.4.1.10. BK Changer Clutch Assembly [No.D10] (Procedure No. D3 -> No. D7 -> D8 -> D10)	342
14.4.1.11. Accumulator Drive Clutch and Accumulator Drive Gear Solenoid [No.D11] (Procedure No. D3 -> No. D7 -> D8 -> D11)	343
14.4.1.12. Toner Cartridge Joint Gear [No.D12] (Procedure No. D3 -> No. D7 -> D8 -> D12)	344
14.5. How to Remove STR	345
14.6. Note for Assembling	347
14.6.1. Main Drive Section	347
14.6.2. Accumulator Unit Section	350
14.6.3. Color Registration Sensor Section	351
14.7. Installation Position of the Lead	352
14.7.1. Main Board Section (1)	352
14.7.2. Main Board Section (2)	353
14.7.3. Main Board Section (3)	355
14.7.4. Main Cabinet Section	356
14.7.5. Low Voltage Power Supply Board Section (1)	357
14.7.6. Low Voltage Power Supply Board Section (2)	358
14.7.7. Main Drive Unit Section	359
15 Measurements and Adjustments	361
15.1. Color Registration Skew Adjustment	361
16 Maintenance	364
16.1. Maintenance Items and Component Locations	364
16.1.1. Outline	364
16.1.2. Maintenance Check Items/Component Locations	364
16.1.2.1. User Maintenance	365
16.1.2.2. Service Maintenance	365
16.1.2.2.1. Recommended Maintenance Cycle	365
16.1.2.2.2. Lubrication	365
16.2. Maintenance	366
16.2.1. Cleaning the white plates and glass	366
16.2.2. Cleaning the Document Feeder Rollers	367
16.2.3. Cleaning the paper chute	368
16.3. Terminal Guide of the ICs, Transistors and Diodes	370
16.3.1. Main Board (1)	370
16.3.2. Main Board (2)	371
16.3.3. Toner Sensor Board	371
16.3.4. WTF Sensor Board	371
16.3.5. FB Relay Board	371
16.3.6. Operation Board	372
16.3.7. Optional ADU Board	372
16.3.8. Optional OPF Main Board	372
16.4. How to Replace the Flat Package IC	373
16.4.1. Preparation	373
16.4.2. Flat Package IC Removal Procedure	373
16.4.3. Flat Package IC Installation Procedure	374
16.4.4. Bridge Modification Procedure	374
16.5. Main Board Section	375
16.5.1. NG Example	376
16.6. Test Chart	377
16.6.1. ITU-T No.1 Test Chart	377
16.6.2. ITU-T No.2 Test Chart	378
17 Schematic Diagram	379
17.1. For Schematic Diagram	379
17.2. Main Board	380
17.2.1. Main Board (1)	380
17.2.2. Main Board (2)	384
17.2.3. Main Board (3)	386
17.2.4. Main Board (4)	388
17.2.5. Main Board (5)	390
17.2.6. Main Board (6)	392
17.2.7. Main Board (7)	394
17.2.8. Main Board (8)	396
17.2.9. Main Board (9)	398
17.2.10. Main Board (10)	400
17.2.11. Main Board (11)	402
17.2.12. Main Board (12)	404
17.3. Sensor Board	406
17.4. Scanner Board	407
17.5. Operation Board	408
17.6. High Voltage Power Supply Board	410
17.6.1. High Voltage Power Supply Board (1)	410
17.6.2. High Voltage Power Supply Board (2)	411
17.6.3. High Voltage Power Supply Board (3)	412
17.7. Low Voltage Power Supply Board	413
17.8. Optional ADU Board	414
17.9. Optional OPF Board	415
17.10. Optional Hook Switch Board	416
18 Printed Circuit Board	417
18.1. Main Board	417
18.1.1. Main Board: Component View	417
18.1.2. Main Board: Bottom View	418
18.2. Sensor Board	419
18.2.1. Toner Sensor Board	419
18.2.2. ADF Relay Board	420
18.2.3. ADF Board	420
18.2.4. WTF Sensor Board	420
18.2.5. Cassette Sensor Board	420
18.2.6. FTR Home Position Sensor Board	420
18.2.7. Fuser Board	421
18.2.8. Registration and Paper Sensor Board	421
18.2.9. OPC Home Position Sensor Board	421
18.2.10. Pick-up Home Position Sensor Board	421
18.2.11. Sensor & Solenoid Relay Board	421
18.2.12. CIS Home Position Sensor Board	422
18.2.13. Color Registration Sensor Board	422
18.2.14. Handset Relay Board	422
18.3. Scanner Board	423
18.3.1. FB Relay Board: Component View	423
18.3.2. FB Relay Board: Bottom View	423
18.3.3. CIS Relay Board	424
18.4. Operation Board	425
18.5. High Voltage Power Supply Board	427
18.5.1. High Voltage Power Supply Board: Component View	427
18.5.2. High Voltage Power Supply Board: Bottom View	428
18.6. Low Voltage Power Supply Board	429
18.6.1. Low Voltage Power Supply Board: Component View	429
18.6.2. Low Voltage Power Supply Board: Bottom View	430
18.7. Optional ADU Board	431
18.8. Optional OPF Board	431
18.8.1. OPF Main Board: Component View	431
18.8.2. OPF Main Board: Bottom View	432
18.8.3. OPF Paper Sensor Board	432
18.8.4. OPF Sensor Board	432
18.9. Optional Hook Switch Board	433
19.1. Cabinet, Mechanical and Electrical Parts Location	434
19.1.1. Operation Panel Section	434
19.1.2. Top Cover Section	435
19.1.3. ADF Section	436
19.1.4. ADF Motor Section	437
19.1.5. Bottom Cabinet Section	438
19.1.6. Front Cabinet Section 1	439
19.1.7. Left Side Cabinet Section	440
19.1.8. Rear Cabinet Section 1	441
19.1.9. Rear Cabinet Section 2	442
19.1.10. Main Drive Unit Section 1	443
19.1.11. Main Drive Unit Section 2	444
19.1.12. Main Drive Unit Section 3	445
19.1.13. Main Drive Unit Section 4	446
19.1.14. Fuser Section	447
19.1.15. Right Side Cabinet Section	448
19.1.16. Laser Unit Section	449
19.1.17. Front Cabinet Section 2	450
19.1.18. Rear Cabinet Section 3	451
19.1.19. Cabinet Cover Section	452
19.1.20. Left Side Cover Section	453
19.1.21. Handset Section	454
19.1.22. STR Section	455
19.1.23. Cassette Tray Section	456
19.1.24. KX-FAB318E/X Optional Automatic duplex Unit (ADU) Section	457
19.1.25. KX-FAP317E/X Optional Lower Input Tray (OPF) Section 1	458
19.1.26. KX-FAP317E/X Optional Lower Input Tray (OPF) Section 2	459
19.1.27. KX-FAP317E/X Optional Lower Input Tray (OPF) Section 3	460
19.1.28. Actual Size of Screws and Washers	461
19.1.29. Accessories and Packing Materials	462
19.2. Replacement Parts List	463
19.2.1. CABINET AND ELECTRICAL PARTS	463
19.2.1.1. Operation Panel Section	463
19.2.1.2. Top Cover Section	463

Match case Limit results 1 per page

427

KX-MC6020HX

18.5.

High Voltage Power Supply Board

18.5.1.

High Voltage Power Supply

Board: Component View

CAUTION

T101

R116

R104

JA12

IC501

JC16

C201

R438

JC21

JA21

C205

JC19

JC15

JC10

R214

R213

R210

R224

C209

JC15

IP101

N38

JA9

CN1

D102

EUKMBNA27H

NPKMA27B

A30C5

R001

C108

D101

Q102

C107

R203

JC17

C514

JC18

JA11

R401

JC20

JA19

R230

D201

VR403

JA7

R460

C203

R355

D319

D301

C308

C309

D313

D302

R352

C323

JA5

JA6

JA4

JA8

JC14

JC13

C316

R316

R302

R303

R338

R341

R339

JC7

JA13

R206

JA14

C210

R250

Q204

R251

C206

R242

R128

R123

R124

C114

C115

CN3

R125

R127

R126

R122

R129

C113

C116

D209

R269

C218

R261

R270

C219

R263

ZD203

ZD202

R281

R260

R262

R282

R264

R283

D210

D211

R257

D208

ZD201

ZD204

JA1

R271

R216

C220

R266

R259

C217

R280

R249

R267

R268

T201

T301

T302

T401

JA16

JA17

JA18

Q205

Q206

Q207

R252

C207

R253

D205

Q203

PbF

D204

D206

C212

C314

Q305

ZD302

R329

ZD303

C305

R327

R335

D306

C310

D309

D310

R332

CN2

C320

D307

R422

C302

R333

R330

R336

R446

C406

D407

C412

D401

C401

R317

T402

R420

C414

R408

JA3

Q304 E

D304

JC9

R337

C301

JC12

Q303

D303

JC11

R310

JC10

R345

D312

C304

C317

R304

JC6

JA2

C405

C311

R331

C306

D308

D311

C408

R421

D314

C303

ZD404

R334

R425

Q404

D405

Q403

JA20

D406

C404

JC2

JC8

R461

C420

C403

R445

VR402

R417

JC5

JC3

JC1

VR401

JC4

JC22

C402

R405

7694V-0

KPC V-0

CAUTION HIGH VOLTAGE

KX-MC6020

HIGH VOLTAGE POWER SUPPLY BOARD COMPONENT VIEW

R209

C211