Home » Panasonic Manuals » Multifunction Devices » Panasonic KX MC6020 » Manual Viewer

Panasonic KX MC6020 Service Manual - Page 381

IC300

UPC - 037988840441

View all Panasonic KX MC6020 manuals

Add to My Manuals
Save this manual to your list of manuals

Page 381 highlights

3 4 5 6 24.576MHz +3.3V Tel & Fax R368 NC R369( )47k R371( )NC R377( )NC RR338709( )4N7Ck R383 47k C316 10p C317( )NC GND A GND LAN_Interface IC300 B C OPCHOMK COL CRS TX_CLKI TX_EN 3:8E TXD[0-3] 3:8D 3:8D 3:8E 3:8E TXD[0] TXD[1] TXD[2] TXD[3] TX_ER RX_CLKI RX_DV 3:8F RXD[0-3] 3:8E 3:8E 3:8E RXD[0] RXD[1] RXD[2] RXD[3] R357 NC 3:8E RX_ER MDIO MDC MGINT 3:8E 3:8E 3:8D 6:4E;9:2B OPF NREGIST CASNON FTRHOME EXITFULL NFSRJAM NADUJAM ADUNON NSTDPNON PICKHOME NOPPNON NOPJAM OPDOPEN WDTRSTENG DOCU RPS 9:2B 9:2B 9:2B 9:4E 9:6B 8:7E 8:7E 9:2B 9:2B 8:6C 8:6C 8:6C 6:2C;6:4B 4:2B 4:2B NFAULT FDOPEN OPCASNON 3:8B 7:1C;7:1E 8:6C CRG 4:2B +3.3V RRRRR333336566578139(((((( ) )N C )N C )N C )N C )N C R360 NC () R3N6C2(( ) ) GND R366 NC R384 4.7k R385 10k AM4 AL3 AP2 AF1 AF2 AE4 AG1 AG2 AG3 NNNNCCCCAAAHHF312 AH3 AN3 AJ1 AG4 AJ2 AJ3 AK1 AK2 AJ4 AK3 AL1 AP4 AM2 NCAN1 AL2 AK4 AN4 COL CRS TX_CLKI TX_EN TXD0 TXD1 TXD2 TXD3 TXD4 TXD5 TXD6 TXD7 TX_ER RX_CLKI RX_DV RXD0 RXD1 RXD2 RXD3 RXD4 RXD5 RXD6 RXD7 RX_ER GTX_CLKIN GTX_CLKOUT MDIO MDC MGTINT ABITCLK ASPCLK ATXD ARXD BTXD BRXD BSPCLK BBITCLK AFERST AFECLK RING DP EYECLK EYEDAT AFESEL1 AFESEL0 NDBGREQ DBGMOD EXTINT EXMDMCS MDMCLKIN MDMCLKOUT DOTCLKIN DOTCLKOUT RTCCLKIN RTCCLKOUT X300 X301 P31 32.768KHz M32 L34 L33 N32 K34 K33 M31 K32 J34 J33 L32 H34 H33 H32 G34 K31 G33 G32 F34 J32 F33 ARM/DSP JTAG F32 RTCPWRDWN SCIO0 SCIO1 SYSPLLVDD1 SCIO2 SYSPLLVSS1 SCIO3/EXSEN0 SYSPLLVDD2 SCIO4/EXSEN1 SYSPLLVSS2 SCIO5/EXSEN2 SCIO6/EXSEN3 MDMPLLVDD SCIO7 MDMPLLVSS SCIO8 SCIO9 DOTPLLVDD SCIO10 DOTPLLVSS SCIO11 SCIO12 LSI_TCK SCIO13 LSI_TRSTN SCIO14 LSI_TMS SCIO15 LSI_TDI SCIO16 LSI_SCAN_ENABLE SCIO17 LSI_TN SCIO18 LSI_CW_TAP SCIO19/EXSEN4 LSI_PROCMON SCIO20 LSI_TDO SCIO21 LSI_IDDT SCIO22 R370 10k R381 R378 1k 10k AK31 AK32 AL34 AK33 AK34 AJ32 AJ33 AJ31 AJ34 AH33 AH32 AG31 AH34 AG32 AG33 AF32 AG34 AF33 AF34 AE31 NC R372 R373 L384 L385 L386 L387 L388 L389 L390 L391 L392 L393 L394 L395 10k 10k 12:1C 24.576MHz C305 0 0 0 0 0 0 0 0 0 100 0 0 12:1B ABITCLK 12:1B ASPCLK 12:1B ATXD 12:1B 12:1E ARXD BTXD 12:1E BRXD 12:1E BSPCLK 12:1E BBITCLK +3.3V123:1EBCC;11;1LL222133:::211001:BB65E1C;1EE2:YY1EEEDCARDFALIPNKETGCLKAFERST AINT CL307 CL308 NDBGREQ DBGMOD TP for Modem JTAG B21 A21 B4 A3 NC R374 470 D23 GND A23 A22 22p C306 33p GND 32.768kHz C307 12p C308 27p GND 1C;3:2C;4:1D;5:5B;6:2C XSYSRST AM5 AN5 AP5 AL5 C309 220n C310 220n R388 1 R389 1 R390 1 +1.2V C19 C20 B3 C4 +3.3V AP28 AN28 AM28 AP29 T34 T33 T32 R34 NC AM26 U32 C311 220n C312 220n R391 1 GND 4:1D 4:1D 4:1D 4:1D +3.3V TCK TRSTN TMS TDI 4:1D TDO GND 10k 10k 10k (IO41) (IO39) (IO36) (IO34) R347 R349 R351 GND R348( R350( R352( )NC )NC )NC MC6000 MC6008 MC6020 MC6028 MC6040 MC6260 R339 R340 R341 R342 R343 R344 R345 R346 NC 10k NC 10k NC 10k NC 10k NC 10k NC 10k NC 10k 10k NC NC 10k NC 10k 10k NC NC 10k NC 10k NC 10k 10k NC 10k NC NC 10k 10k NC NC 10k NC 10k NC 10k 10k NC NC 10k 10k NC NC 10k 10k NC 10k NC NC 10k NC 10k 10k NC 10k NC 10k NC 10k NC NC 10k NC 10k NC 10k 0000 0001 0010 0011 0100 0101 0110 0111 1000 CL309 @TP-C0.8 PCI Interface IC300 +3.3V+1.2V USB Interface D CL310 @TP-C0.8 +3.3VNPCIINT NPCIGNT0 NPCIREQ0 NPCICBE[0-3] 6:5B 6:5B 6:5B 6:5B PCICKOUT NPCIRST NPCIFRM NPCIRDY NPCISTP NPCIDSEL NPCIPERR NPCISERRZ PCIPAR NPCITRDY 6:5B 6:5B 6:5B 6:5B 6:5C 6:5C 6:5C 6:5C 6:5C 6:5B R364 10k R365 10k NPCICBE[3] NPCICBE[2] NPCICBE[1] NPCICBE[0] B19 NPCIINT A19 NPCIGNT1 D19 NPCIGNT0 B18 NPCIREQ1 A18 NPCIREQ0 A17 NPCICBE3 C18 NPCICBE2 B17 NPCICBE1 C17 NPCICBE0 B16 PCICKOUT A15 NPCIRST B15 NPCIFRM A14 NPCIRDY B14 NPCISTP C14 NPCIDSEL A13 NPCIPERR B13 NPCISERRZ C15 PCIPAR D16 NPCITRDY USBOVBUS AN11 USBOID AP11 USBODM AN13 USBODP AP13 USBOREXT AN12 USBOVBUS_CONT AP10 USBDVBUS AM15 USBDDM AN17 USBDDP AP17 USBDREXT AL16 USBDVDDA33_BIAS AP16 USBDVDDA12_SQ AN18 USBDVDDA12PLL AP19 USBDVDDA33 AM18 USBOVDDA33_BIAS AP12 USBOVDDA12_SQ AN14 USBOVDDA12PLL AP14 USBOVDDA33 AL12 USBCVDDA12 AM16 R376 F6.98k R382 F6.98k 3:8B 3:8B 3:8B 3:8B 3:8B 3:6B 3:6B 3:6B USBOVBUS USBOID USBODM USBODP USBOVBUS_CONT USBDVBUS USBDDM USBDDP +1.2V R386 1 R387 1 C304 220n E F GND PCIAD[31] PCIAD[30] PCIAD[29] PCIAD[28] PCIAD[27] PCIAD[26] PCIAD[25] PCIAD[24] PCIAD[23] PCIAD[22] PCIAD[21] PCIAD[20] PCIAD[19] PCIAD[18] PCIAD[17] PCIAD[16] PCIAD[15] PCIAD[14] PCIAD[13] PCIAD[12] PCIAD[11] PCIAD[10] PCIAD[9] PCIAD[8] PCIAD[7] PCIAD[6] PCIAD[5] PCIAD[4] PCIAD[3] PCIAD[2] PCIAD[1] PCIAD[0] B20 PCICLKSEL USBDVSSA33_BIAS AN16 A12 PCIAD31 D14 PCIAD30 USBDVSSA12_SQ AP18 USBDVSSA12PLL AL19 GND C315 220n B12 PCIAD29 C12 PCIAD28 USBDVSSA33 AM17 USBOVSSA33_BIAS AM12 A11 PCIAD27 C13 PCIAD26 USBOVSSA12_SQ AM14 USBOVSSA12PLL AM13 GND 12MHz B11 PCIAD25 A10 PCIAD24 USBOVSSA33 AM11 USBCVSSA12 AL14 12MHz C313 22p X302 D12 PCIAD23 B10 PCIAD22 C10 PCIAD21 USBCXIN AN15 USBCXOUT AP15 R375 GND 100 C314 27p GND A9 PCIAD20 C11 PCIAD19 B9 PCIAD18 A8 PCIAD17 D10 PCIAD16 B8 PCIAD15 C8 PCIAD14 A7 PCIAD13 C9 PCIAD12 B7 PCIAD11 CCDSH AL6 CCDRS_N AN6 CCDCP_N CCDCLK AP6 NC AN7 NC AFEVSMP AP8 AFERSMP AN8 AFEMCLK AP7 L372 L373 L374 L375 L376 4:5D 0 4:5D 0 220 4:5C 220 4:5D 100 4:5C AFEADC0 AM6 AFEADC1 AM7 FB & ADF (CIS) AFEADC2 AM8 CCDSH CCDCLK AFEVSMP RESOLUTION AFEMCLK 4:5C AFEADC[0-3] C7 PCIAD10 AFEADC3 AL8 A6 PCIAD9 D8 PCIAD8 B6 PCIAD7 C6 PCIAD6 A5 PCIAD5 D6 PCIAD4 AFEADC4 AN9 AFEADC5 AP9 AFEADC6 AM9 AFEADC7 AM10 AFESIFCLK AN10 AFESIFEN AM20 L377 L378 L379 L380 L381 L382 33 AFEADC[0] 33 AFEADC[1] 33 AFEADC[2] 33 AFEADC[3] 220 4:5C 220 4:5C AFESIFCLK AFESIFEN B5 PCIAD3 AFESIFDIN AL10 A4 PCIAD2 AFESIFDOUT AN19 L383 220 4:5C AFESIFDOUT C5 PCIAD1 OEB AM19 NC D5 PCIAD0 NCCDON AL21 4:5B NCCDON PCIAD[0-31] LEDONR AP20 4:5E LEDONR 6:8A LEDONG AN20 4:5D LEDONG LEDONB AP21 4:5E LEDONB GND KX-MC6020HX 2/3 1-2 KX-MC6020HX SCHEMATIC DIAGRAM (MAIN BOARD No.1) (2/3) 381

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

381

KX-MC6020HX

2/3

KX-MC6020

SCHEMATIC DIAGRAM (MAIN BOARD No.1)

(2/3)

-2

MDIO

3:8E

MDC

3:8E

MGINT

3:8D

RX_ER

3:8E

RX_CLKI

3:8E

RX_DV

3:8E

RXD[0-3]

3:8F

TX_ER

3:8E

TXD[0-3]

3:8E

TX_EN

3:8E

COL

3:8D

CRS

3:8D

TX_CLKI

3:8E

GND

USBODP

3:8B

USBODM

3:8B

USBDDM

3:6B

USBDDP

3:6B

USBOVBUS_CONT

3:8B

USBOID

3:8B

USBDVBUS

3:6B

GND

100

R375

GND

F6.98k

R376

F6.98k

R382

GND

220n

C304

220n

C315

LEDONB

4:5E

GND

CCDSH

4:5D

CCDCLK

4:5D

AFEVSMP

4:5C

RESOLUTION

4:5D

AFEMCLK

4:5C

AFESIFCLK

4:5C

AFESIFEN

4:5C

AFESIFDOUT

4:5C

NCCDON

4:5B

LEDONR

4:5E

LEDONG

4:5D

AFEADC[0-3]

4:5C

DOCU

4:2B

RPS

4:2B

ARXD

12:1B

ASPCLK

12:1B

ATXD

12:1B

ABITCLK

12:1B

BTXD

12:1E

BRXD

12:1E

BSPCLK

12:1E

BBITCLK

12:1E

AFERST

12:1C;12:1E

AFECLK

12:1B;12:1E

RING

3E;12:1B

12:1B

AINT

12:1C

10k

R372

10k

R373

4.7k

R384

10k

R385

470

R374

22p

C305

GND

12p

C307

XSYSRST

1C;3:2C;4:1D;5:5B;6:2C

GND

TCK

4:1D

TRSTN

4:1D

TMS

4:1D

TDI

4:1D

TDO

4:1D

GND

10k

R381

10k

R370

R378

NOPPNON

8:6C

NOPJAM

8:6C

OPDOPEN

8:6C

220n

C309

220n

C310

220n

C311

220n

C312

GND

PCIAD[0-31]

6:8A

NPCIINT

6:5B

NPCIGNT0

6:5B

PCICKOUT

6:5B

NPCIRST

6:5B

NPCIREQ0

6:5B

GND

NREGIST

9:2B

CASNON

9:2B

FTRHOME

9:2B

NFSRJAM

9:6B

NADUJAM

8:7E

ADUNON

8:7E

NSTDPNON

9:2B

PICKHOME

9:2B

FDOPEN

7:1C;7:1E

OPCASNON

8:6C

+1.2V

+3.3V

NFAULT

3:8B

220

L382

220

L381

220

L383

220

L374

100

L393

+1.2V

33p

C306

22p

C313

27p

C314

10k

R349

+3.3V

10k

R347

10k

R351

(

)

R366

(

)

R362

(

)

R360

(

)

R359

(

)

R363

(

)

R361

(

)

R358

(

)

R357

(

)

R367

+3.3V

(

)

R368

47k

R369

(

)

R371

(

)

R377

(

)

R379

47k

R380

47k

R383

+3.3V

GND

C317

(

)

R388

R389

R390

R391

R386

R387

CRG

4:2B

27p

C308

220

L375

L395

L384

L386

L389

L394

L391

L385

L388

L390

L392

L387

L372

EXITFULL

9:4E

NPCIFRM

6:5B

NPCIRDY

6:5B

NPCISTP

6:5C

NPCIDSEL

6:5C

NPCIPERR

6:5C

NPCISERRZ

6:5C

PCIPAR

6:5C

NPCITRDY

6:5B

10k

R364

10k

R365

+3.3V

NPCICBE[0-3]

6:5B

@TP-C0.8

CL309

@TP-C0.8

CL310

CL307

NDBGREQ

CL306

EYEDAT

CL305

EYECLK

CL308

DBGMOD

OPCHOMK

6:4E;9:2B

USBOVBUS

3:8B

100

L376

WDTRSTENG

6:2C;6:4B

(

)

R352

GND

(

)

R350

(

)

R348

L373

L379

L377

L380

L378

X301

32.768kHz

X302

12MHz

24.576MHz

X300

IC300

AM4

COL

AL3

CRS

AP2

TX_CLKI

AF1

TX_EN

AF2

TXD0

AE4

TXD1

AG1

TXD2

AG2

TXD3

AG3

TXD4

AH1

TXD5

AF3

TXD6

AH2

TXD7

AH3

TX_ER

AN3

RX_CLKI

AJ1

RX_DV

AG4

RXD0

AJ2

RXD1

AJ3

RXD2

AK1

RXD3

AK2

RXD4

AJ4

RXD5

AK3

RXD6

AL1

RXD7

AP4

RX_ER

AM2

GTX_CLKIN

AN1

GTX_CLKOUT

AL2

MDIO

AK4

MDC

AN4

MGTINT

P31

SCIO0

M32

SCIO1

L34

SCIO2

L33

SCIO3/EXSEN0

N32

SCIO4/EXSEN1

K34

SCIO5/EXSEN2

K33

SCIO6/EXSEN3

M31

SCIO7

K32

SCIO8

J34

SCIO9

J33

SCIO10

L32

SCIO11

H34

SCIO12

H33

SCIO13

H32

SCIO14

G34

SCIO15

K31

SCIO16

G33

SCIO17

G32

SCIO18

AK32

ASPCLK

AL34

ATXD

AK33

ARXD

AK34

BTXD

AJ32

BRXD

AJ33

BSPCLK

AJ31

BBITCLK

AJ34

AFERST

AH33

AFECLK

AH32

RING

AG31

AH34

EYECLK

AG32

EYEDAT

AG33

AFESEL1

AF32

AFESEL0

AG34

NDBGREQ

AF33

DBGMOD

AF34

EXTINT

AE31

EXMDMCS

B21

MDMCLKIN

A21

MDMCLKOUT

DOTCLKIN

DOTCLKOUT

D23

RTCCLKIN

A23

RTCCLKOUT

A22

RTCPWRDWN

AM5

SYSPLLVDD1

AN5

SYSPLLVSS1

AP5

SYSPLLVDD2

AL5

SYSPLLVSS2

C19

MDMPLLVDD

C20

MDMPLLVSS

DOTPLLVDD

DOTPLLVSS

AP28

LSI_TCK

AN28

LSI_TRSTN

AM28

LSI_TMS

AP29

LSI_TDI

T34

LSI_SCAN_ENABLE

T33

LSI_TN

AK31

ABITCLK

F34

SCIO19/EXSEN4

J32

SCIO20

F33

SCIO21

F32

SCIO22

T32

LSI_CW_TAP

R34

LSI_PROCMON

AM26

LSI_TDO

U32

LSI_IDDT

IC300

B19

NPCIINT

A19

NPCIGNT1

D19

NPCIGNT0

B18

NPCIREQ1

A18

NPCIREQ0

A17

NPCICBE3

C18

NPCICBE2

B17

NPCICBE1

C17

NPCICBE0

B16

PCICKOUT

A15

NPCIRST

B15

NPCIFRM

A14

NPCIRDY

B14

NPCISTP

C14

NPCIDSEL

A13

NPCIPERR

B13

NPCISERRZ

C15

PCIPAR

D16

NPCITRDY

B20

PCICLKSEL

A12

PCIAD31

D14

PCIAD30

B12

PCIAD29

C12

PCIAD28

A11

PCIAD27

C13

PCIAD26

B11

PCIAD25

A10

PCIAD24

D12

PCIAD23

B10

PCIAD22

C10

PCIAD21

PCIAD20

C11

PCIAD19

PCIAD18

PCIAD17

D10

PCIAD16

PCIAD15

PCIAD14

PCIAD13

PCIAD12

PCIAD11

PCIAD10

PCIAD9

PCIAD8

PCIAD7

PCIAD6

PCIAD5

PCIAD4

AP11

USBOID

AN13

USBODM

AP13

USBODP

AN12

USBOREXT

AP10

USBOVBUS_CONT

AM15

USBDVBUS

AN17

USBDDM

AP17

USBDDP

AL16

USBDREXT

AP16

USBDVDDA33_BIAS

AN18

USBDVDDA12_SQ

AP19

USBDVDDA12PLL

AM18

USBDVDDA33

AP12

USBOVDDA33_BIAS

AN14

USBOVDDA12_SQ

AP14

USBOVDDA12PLL

AL12

USBOVDDA33

AM16

USBCVDDA12

AN16

USBDVSSA33_BIAS

AP18

USBDVSSA12_SQ

AL19

USBDVSSA12PLL

AM17

USBDVSSA33

AM12

USBOVSSA33_BIAS

AM14

USBOVSSA12_SQ

AM13

USBOVSSA12PLL

AM11

USBOVSSA33

AL14

USBCVSSA12

AN15

USBCXIN

AP15

USBCXOUT

AL6

CCDSH

AN6

CCDRS_N

AP6

CCDCP_N

AN7

CCDCLK

AP8

AFEVSMP

AN8

AFERSMP

AP7

AFEMCLK

AM6

AFEADC0

AM7

AFEADC1

AM8

AFEADC2

AL8

AFEADC3

AN11

USBOVBUS

PCIAD3

PCIAD2

PCIAD1

AN9

AFEADC4

AP9

AFEADC5

AM9

AFEADC6

AM10

AFEADC7

AN10

AFESIFCLK

AM20

AFESIFEN

AL10

AFESIFDIN

AN19

AFESIFDOUT

AM19

OEB

PCIAD0

AL21

NCCDON

AP20

LEDONR

AN20

LEDONG

AP21

LEDONB

10p

C316

TXD[0]

TXD[1]

TXD[2]

TXD[3]

AFEADC[0]

AFEADC[1]

AFEADC[2]

AFEADC[3]

PCIAD[31]

PCIAD[30]

PCIAD[29]

PCIAD[28]

PCIAD[27]

PCIAD[26]

PCIAD[25]

PCIAD[24]

PCIAD[23]

PCIAD[22]

PCIAD[21]

PCIAD[20]

PCIAD[19]

PCIAD[18]

PCIAD[17]

PCIAD[16]

PCIAD[15]

PCIAD[14]

PCIAD[13]

PCIAD[12]

PCIAD[11]

PCIAD[10]

PCIAD[9]

PCIAD[8]

PCIAD[7]

PCIAD[6]

PCIAD[5]

PCIAD[4]

PCIAD[3]

PCIAD[2]

PCIAD[1]

PCIAD[0]

NPCICBE[3]

NPCICBE[2]

NPCICBE[1]

NPCICBE[0]

RXD[3]

RXD[2]

RXD[1]

RXD[0]

LAN_Interface

USB Interface

ADF

(CIS)

Tel & Fax

TP for Modem JTAG

ARM/DSP JTAG

OPF

PCI Interface

R339 R340

R341 R342

R343 R344

R345 R346

(IO41)

(IO39)

(IO36)

(IO34)

10k

0001

0011

0010

0111

0110

0101

0100

1000

10k

0000

10k

MC6040

MC6260

MC6000

MC6008

MC6020

MC6028

24.576MHz

12MHz

32.768KHz