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Panasonic KX-MB2085CXW, Service Manual

The Panasonic KX-MB2085CXW is a versatile all-in-one printer that combines high-quality printing, scanning, copying, and faxing capabilities. Unlock its full potential with the comprehensive Service Manual, available for free download at manualshive.com. This user-friendly manual ensures easy setup and troubleshooting, maximizing your experience with this fantastic product.

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KX-MB2085CXW/KX-MB2090CXW

12.2. Remote Programming -----------------------------------88

12.2.1. Entering the Remote Programming Mode

and Changing Service Codes --------------------89

12.2.2. Program Mode Table--------------------------------90

12.3. Troubleshooting Details ---------------------------------94

12.3.1. Outline --------------------------------------------------94
12.3.2. Starting Troubleshooting ---------------------------94
12.3.3. Initialization--------------------------------------------95
12.3.4. Simple Check List -----------------------------------96
12.3.5. Simplified Troubleshooting Guide ---------------97
12.3.6. CALL SERVICE Troubleshooting Guide ----- 100
12.3.7. Print --------------------------------------------------- 107
12.3.8. Recording Paper Feed --------------------------- 113
12.3.9. Initializing Error------------------------------------- 120

12.3.10. ADF (Auto Document Feeder) Section------- 121

12.3.11. Special Service Journal Reports --------------- 123

12.3.12. Analog Section ------------------------------------- 138
12.3.13. Operation Panel Section ------------------------- 141
12.3.14. Sensor Section ------------------------------------- 141
12.3.15. Motor Section --------------------------------------- 144
12.3.16. LSU Section----------------------------------------- 147
12.3.17. CIS Control Section ------------------------------- 148
12.3.18. High Voltage Value Check Point --------------- 150
12.3.19. High Voltage Section------------------------------ 152
12.3.20. USB Section ---------------------------------------- 157
12.3.21. LAN SECTION ------------------------------------- 161
12.3.22. Main Board Section ------------------------------- 166
12.3.23. Power Supply Board Section ------------------- 167

12.4. RECORDING PAPER JAM -------------------------- 170

13 Service Fixture & Tools

--------------------------------------

171

14 Disassembly and Assembly Instructions

-------------

172

14.1. Bottom Section ------------------------------------------ 173
14.2. Left Side Section---------------------------------------- 173
14.3. Operation Panel Section------------------------------ 174
14.4. Open Top Cover ---------------------------------------- 174
14.5. Remove Operation Panel ---------------------------- 175
14.6. Remove Operation Board ---------------------------- 175
14.7. Remove Main Board ----------------------------------- 176
14.8. Remove Gear Chassis Section --------------------- 177
14.9. Remove Right Cover ---------------------------------- 178

14.10. Remove Right Cassette Guide---------------------- 178

14.11. Remove Bottom Plate --------------------------------- 179

14.12. Remove Laser Unit------------------------------------- 179
14.13. Remove Pick up Roller-------------------------------- 180
14.14. Remove Low Voltage Power Board---------------- 181
14.15. Remove Mirror ------------------------------------------ 181
14.16. Remove High Voltage Power Board --------------- 182
14.17. Note for disassembly ---------------------------------- 182

14.17.1. Position of Installing LABEL/CIS HOME ----- 182

14.18. Installation Position of The Lead-------------------- 183

14.18.1. Top Cover Section (1) ---------------------------- 183
14.18.2. Top Cover Section (2) ---------------------------- 184
14.18.3. Bottom Part Section (1) -------------------------- 185
14.18.4. Bottom Part Section (2) -------------------------- 186
14.18.5. Side Cabinet Section (1) ------------------------- 187

15 Maintenance

-----------------------------------------------------

188

15.1. Maintenance Items and Component Locations - 188

15.1.1. Outline ------------------------------------------------ 188
15.1.2. Maintenance Check Items/Component

Locations--------------------------------------------- 188

15.2. Cleaning -------------------------------------------------- 190

15.3. Printing Operation Principle ------------------------- 190

15.3.1. Process Chart and Process BIAS------------- 190
15.3.2. CHARGING----------------------------------------- 190
15.3.3. Exposing--------------------------------------------- 191
15.3.4. Developing and Transcription ------------------ 192
15.3.5. Cleaning of Transfer Roller --------------------- 193
15.3.6. Fixing ------------------------------------------------- 194

15.4. Terminal Guide of The ICs Transistors and

Diodes ---------------------------------------------------- 195

15.4.1. Main Board------------------------------------------ 195
15.4.2. Operation Board ----------------------------------- 196
15.4.3. High Voltage Power Supply Board------------ 196
15.4.4. Low Voltage Power Supply Board ------------ 196

15.5. How to Replace the Flat Package IC ------------- 197

15.5.1. Preparation------------------------------------------ 197
15.5.2. Flat Package IC Removal Procedure -------- 197
15.5.3. Flat Package IC Installation Procedure------ 198
15.5.4. Bridge Modification Procedure----------------- 198

15.6. Main Board Section------------------------------------ 199

15.6.1. NG Example ---------------------------------------- 200

15.7. Test Chart ------------------------------------------------ 201

15.7.1. ITU-T No.1 Test Chart---------------------------- 201
15.7.2. ITU-T No.2 Test Chart---------------------------- 202

16 Schematic Diagram

------------------------------------------

203

16.1. For Schematic Diagram ------------------------------ 203
16.2. Main Board (KX-MB2085) --------------------------- 204

16.2.1. Main Board (1) ------------------------------------- 204
16.2.2. Main Board (2) ------------------------------------- 206
16.2.3. Main Board (3) ------------------------------------- 208

16.3. Main Board (KX-MB2090) --------------------------- 210

16.3.1. Main Board (1) ------------------------------------- 210
16.3.2. Main Board (2) ------------------------------------- 212
16.3.3. Main Board (3) ------------------------------------- 214

16.4. Operation Board---------------------------------------- 216
16.5. Sensor Board ------------------------------------------- 217
16.6. High Voltage Power Supply Board----------------- 218
16.7. Low Voltage Power Supply Board ----------------- 219

17 Printed Circuit Board

----------------------------------------

220

17.1. Main Board ---------------------------------------------- 220

17.1.1. Main Board: Component View ----------------- 220
17.1.2. Main Board: Bottom View ----------------------- 221

17.2. Operation Board---------------------------------------- 222

17.2.1. Operation Board ----------------------------------- 222

17.3. Sensor Board ------------------------------------------- 223

17.3.1. Toner Sensor Board ------------------------------ 223
17.3.2. Fuser Board ---------------------------------------- 223
17.3.3. Pickup Sensor Board----------------------------- 223
17.3.4. Registration Sensor Board---------------------- 224
17.3.5. Varistor Sensor Board---------------------------- 224
17.3.6. Flatbed Relay Board------------------------------ 224

17.4. High Voltage Power Supply Board----------------- 225

17.4.1. HIGH VOLTAGE POWER SUPPLY

BOARD: COMPONENT VIEW----------------- 225

17.4.2. HIGH VOLTAGE POWER SUPPLY

BOARD: BOTTOM VIEW ----------------------- 225

17.5. Low Voltage Power Supply Board ----------------- 226

17.5.1. LOW VOLTAGE POWER SUPPLY

BOARD: COMPONENT VIEW----------------- 226

17.5.2. LOW VOLTAGE POWER SUPPLY

BOARD: BOTTOM VIEW ----------------------- 226

18 Exploded View and Replacement Parts List

---------

227

Summary of Contents for KX-MB2085CXW

Page 1: ...ic System Networks Co Ltd 2013 Unauthorized copying and distribution is a violation of law ORDER NO KMF1311431CE Multi Function printer Model No KX MB2085CXW KX MB2090CXW for Middle East Asia Tunisia and Africa ...

Page 2: ... 2 phase excitation Quarter step 39 6 8 4 Drive mode of FB and ADF motor 40 6 9 FAN Motor Section 40 6 9 1 General 40 6 9 2 Circuit Diagram of FAN 41 6 9 3 Fan Control 41 6 9 4 Control table 42 6 9 5 Waveform 42 6 10 Solenoid Driver Section 43 6 11 LSU Laser Scanning Unit Section 44 6 12 Sensors and Switches Section 46 6 12 1 Drum Detection 47 6 12 2 Pickup Sensor 47 6 12 3 Exit Sensor 48 6 12 4 R...

Page 3: ...tenance 188 15 1 Maintenance Items and Component Locations 188 15 1 1 Outline 188 15 1 2 Maintenance Check Items Component Locations 188 15 2 Cleaning 190 15 3 Printing Operation Principle 190 15 3 1 Process Chart and Process BIAS 190 15 3 2 CHARGING 190 15 3 3 Exposing 191 15 3 4 Developing and Transcription 192 15 3 5 Cleaning of Transfer Roller 193 15 3 6 Fixing 194 15 4 Terminal Guide of The I...

Page 4: ...ller Section 234 18 1 9 Side Cabinet Section 235 18 1 10 Motor Section 236 18 1 11 Bottom Cabinet Section 2 237 18 1 12 Output Tray Section 238 18 1 13 Actual Size of Screws and Washer 239 18 1 14 Accessories and Packing Materials 240 18 2 Electrical Parts 241 18 2 1 Cabinet and Electrical Parts 241 18 2 2 Main Board KX MB2085 244 18 2 3 Main Board KX MB2090 249 18 2 4 Operation Board 254 18 2 5 S...

Page 5: ...service manual so as to pre vent fires injury or electric shock which can be caused by improper repair work 1 When repair services are provided neither the products nor their parts or members shall be remodeled 2 If a lead wire assembly is supplied as a repair part the lead wire assembly shall be replaced 3 FASTON terminals shall be plugged straight in and unplugged straight out ICs and LSIs are v...

Page 6: ... AC power by the AC power cord are live Never disassemble the unit for service with the AC power supply plugged in CAUTION AC voltage is supplied to the primary side of the power supply unit Therefore always unplug the AC power cord before disas sembling for service Discharge the primary electrolytic capacitor before touching the power supply unit 1 4 Service Precautions 1 4 1 Precautions to Preve...

Page 7: ...re soldering iron please be careful not to heat too long PbF solder will tend to splash if it is heated much higher than its melting point approximately 1100 F 600 C If you must use Pb solder on a PCB manufactured using PbF solder remove as much of the original PbF solder as possible and be sure that any remaining is melted prior to applying the Pb solder When applying PbF solder to double layered...

Page 8: ...limits there is a possibility of a shock hazard 2 4 Battery Caution CAUTION Danger of explosion if the battery is incorrectly replaced Replace only with the same or equivalent type recommended by the manufacturer Dispose of used batteries according to the manufacturer s instructions The lithium battery is a critical component type No CR2354 Please observe for the proper polarity and exact location...

Page 9: ...being lost at the time of repair Data will be lost in the following situations 1 When replacing the ROM ass y 2 When replacing the Main board ass y 3 When executing mode 550 or 710 There is a possibility of data loss in the following situations 1 When removing a board 2 When writing new software to ROM ...

Page 10: ...pression System Modified Huffman MH Modified READ MR Modified Modified READ MMR Modem Speed 33 600 31 200 28 800 26 400 24 000 21 600 19 200 16 800 14 400 12 000 9 600 7 200 4 800 2 400 bps Automatic Fallback Operating Environment 10 C 32 5 C 20 70 RH Relative Humidity Dimensions Approx width 420 mm x depth 432 mm x height 305 mm Width is 505 mm when the handset unit is installed Mass Weight Appro...

Page 11: ...11 KX MB2085CXW KX MB2090CXW Note Design and specifications are subject to change without notice The accuracy of the clock is approximately 60 seconds a month ...

Page 12: ...pproximately 2 000 pages in accordance with ISO IEC 19752 standard page Drum cartridge Model No Part No KX FAD412E Note ISO IEC 19752 standard is as follows Environment 23 2 C 50 10 RH Print mode Continuous printing 4 2 Translation Lists Refer to the Operating Instructions Note You can download and refer to the Operating Instructions Instruction book ...

Page 13: ...8 2 1 Supported printer driver only 2 Supported printer driver scanner driver and PC fax transmit only CPU Windows Windows 7 Windows 8 Windows Vista Pentium 4 or higher processor Windows XP Pentium or higher processor Mac OS Complies with Operating System recommendations RAM Windows Windows 7 Windows 8 1GB 2GB or more recommended Windows XP 128MB 256MB or more recommended Windows Vista 512MB 1GB o...

Page 14: ...1 2 3 4 1 2 3 4 CN50 LED REG PTOP DG REGISTER SENSOR PTOP SENSOR PS51 PS52 HEAT LAMP THERMOSTAT THERMOSTAT THERMISTOR 1 2 3 4 1 2 3 4 CN65 1 2 3 4 PS50 EXIT SENSOR CN53 1 2 3 1 2 3 CN52 THRM1 DG FUSER UNIT VARISTOR BOARD 8 RCT 7 RD 6 5 TCT 4 RD 3 2 No TD TD 1 NAME NAME No 8 RCT 7 RD 6 5 TCT 4 RD 3 2 No TD TD 1 NAME NAME No b1 6 S W B2 5 b B1 4 a A1 3 2 No E G A2 a1 1 NAME NAME No b1 6 S W B2 5 b B...

Page 15: ...PC DRUM by rotating polygon motor and reflecting the laser beam against polygon SENSORS Composed of 2 switches and 5 sensors POWER SUPPLY BOARD Supplies 24V and 7V to the Main unit and controls the Heat Lamp HIGH VOLTAGE POWER SUPPLY BOARD Supplies bias need for the printing operation bias of the DRUM Developing and Transcription FIXING UNIT Composed heat lamp thermistor and thermostats 1 CPU ARM9...

Page 16: ...Bed Thermistor Room Motor Driver ADF Carriage motor Color CIS FFC 12 JST4 RP Sensor Document Sensor ADF motor JST4 AMP4 Blue FB Relay Board AMP4 AMP12 Pick Up Solenoid JST8 JST3 FAN left JST2 HVPS AMR FAN right Pick Up Sensor JST3 Resist Sensor AMP4 PTOP Sensor EXIT Sensor AMP4 2 Thermistor Heater AMP5 AMP10 Toner Sensor 12V 5V REG 12V 3 3V 1 2V DC DC AMP4 MB2090 only Center Relay Board Pick Senso...

Page 17: ...cess image data and store it in IC400 401 through SDRAM I F 2 CPU compress the data in IC400 401 3 CPU transfer the data to MODEM and output it to TEL LINE through DAA circuit FLASH IC402 CIS unit LSU PC USB TEL LINE Wired LAN CN510 CN500 501 SDRAM MODEM Scanner I F Print I F AFE IC503 IC400 IC300 Main Board BUS I F CPU LAN I F DSP JBIG CN100 DAA PHY USB I F 1 CN300 IC750 CN750 FAX Rx 1 FAX data i...

Page 18: ...wired LAN the data is output to PC through the LAN I F and PHY IC750 2 When you use the USB the data is output to PC through the USB I F1 FLASH IC402 IC200 T100 CIS unit LSU PC USB TEL LINE Wired LAN CN510 CN500 501 SDRAM MODEM Scanner I F Print I F AFE IC503 IC400 IC300 Main Board BUS I F CPU LAN I F DSP JBIG CN100 DAA PHY USB I F 1 CN300 IC750 CN750 PC print 1 The print data is output from PC th...

Page 19: ...USB I F 1 CN300 IC750 CN750 Copy 1 An analog image data is output from CIS unit to IC503 IC503 decode the analog data to digital data and output to IC300 Scanner I F in IC300 process image data and store it in IC400 401 through SDRAM I F 2 If necessary the data is compressed decompressed via JBIG 3 Print I F retrieve the data from IC400 401 and output it to LSU CIS unit IC200 T100 FLASH IC402 ...

Page 20: ...ROM SDRAM Address C6 ADR10 O Flash ROM SDRAM Address F3 ADR9 O Flash ROM SDRAM Address G2 ADR8 O Flash ROM SDRAM Address G3 ADR7 O Flash ROM SDRAM Address G4 ADR6 O Flash ROM SDRAM Address H1 ADR5 O Flash ROM SDRAM Address H2 ADR4 O Flash ROM SDRAM Address D8 ADR3 O Flash ROM SDRAM Address C8 ADR2 O Flash ROM SDRAM Address D7 ADR1 O Flash ROM SDRAM Address C7 ADR0 O Flash ROM SDRAM Address F2 DAT1...

Page 21: ...O15 I INPUT PORT RPS AB25 PSCIO16 O NOT USED AB26 PSCIO17 I INPUT PORT FANDET2 AA24 PSCIO18 I INPUT PORT TOPCVR AA25 PSCIO19 I INPUT PORT PSTART AA26 PSCIO20 O NOT USED Y24 PSCIO21 O NOT USED Y25 PSCIO22 O NOT USED Y26 PSCIO23 O NOT USED W26 PSCIO24 I LSU Interface H23 PIO0 O NOT USED J23 PIO1 I HV ERR J24 PIO2 O LSU Interface J25 PIO3 O NOT USED J26 PIO4 O OUTPUT PORT CHG K23 PIO5 O OUTPUT PORT D...

Page 22: ...10 PIO59 O OUTPUT PORT PWRDWN1 G24 PIO60 O OUTPUT PORT P_SHORT G25 PIO61 O OUTPUT PORT HSSPMUTE G26 PIO62 O LSU Interface H24 PIO63 O LSU Interface H25 PIO64 O LSU Interface H26 PIO65 O OUTPUT PORT PWRDWN2 P23 PIO66 O OUTPUT PORT LINERLY AE22 HTRCTL O Fuser Lamp Control E24 MMPWR O NOT USED E25 OPMPWR O NOT USED C23 CRMPWR O ADF Flatbed Motor Interface B11 CCDSH O Scanner Interface B12 NCCDRS O Sc...

Page 23: ... AE15 CPU_TDI I NOT USED AE16 CPU_TMS I NOT USED AF15 CPU_TCK I GND AF16 CPU_TRSTN I NOT USED AD15 CPU_TDO Tri O 3 3V R2 DSP_TDI I NOT USED P2 DSP_TMS I NOT USED R1 DSP_TCK I GND R3 DSP_TRSTN I NOT USED P1 DSP_TDO Tri O 3 3V C21 THRMSTR0 I Analog Input THRMISTOR C20 THRMSTR1 I Analog Input THRMISTOR A19 TONE O Analog Output Buzzer B20 ADVREF I GND C19 DAVREFP I GND A20 DAVREFN I GND N1 NRST I Rese...

Page 24: ...12 1 2V Power Supply N4 VDD12 1 2V Power Supply N23 VDD12 1 2V Power Supply T4 VDD12 1 2V Power Supply AC8 VDDIO33 3 3V Power Supply AC14 VDDIO33 3 3V Power Supply D5 VDDIO33 3 3V Power Supply D11 VDDIO33 3 3V Power Supply D17 VDDIO33 3 3V Power Supply F23 VDDIO33 3 3V Power Supply K4 VDDIO33 3 3V Power Supply P4 VDDIO33 3 3V Power Supply U23 VDDIO33 3 3V Power Supply AA3 VSS GND AB3 VSS GND AB23 ...

Page 25: ...S GND N15 VSS GND N16 VSS GND P11 VSS GND P12 VSS GND P13 VSS GND P14 VSS GND P15 VSS GND P16 VSS GND R11 VSS GND R12 VSS GND R13 VSS GND R14 VSS GND R15 VSS GND R16 VSS GND T11 VSS GND T12 VSS GND T13 VSS GND T14 VSS GND T15 VSS GND T16 VSS GND U3 VSS GND U4 VSS GND V3 VSS GND W3 VSS GND Y4 VSS GND Pin No Pin Name I O Description ...

Page 26: ...erate even while the power is off unlike the other chips on the motherboard 2 RTC Inside IC300 Backup Circuit Operation When the power switch is turned ON power is supplied to the RTC inside IC300 At this time the voltage at pin AF7 of the IC300 is 3 3V When the power switch is turned OFF the BAT300 supplies power to RTC through DA300 When the power switch is OFF and the voltage of 3 3V decreases ...

Page 27: ...re trans mitted serially Here the internal equalizer circuit reduces the image signals to a long distance receiving level This is designed to correct the characteristics of the frequency band centered around 3 kHz and maintain a constant receiving sensitivity Busy Dial Tone Detection The path is the same as Facsimile Reception Call Tone Transmission This is the call signal which is generated the S...

Page 28: ...㪬㪫㪜 㪌㪭㪘 㪚㪛 㪝㪚 㪉 㪝㪚㪈 㪞㪥㪛 㪭㪚㪚 㪊 㪋 㪈 㪉 㪎 㪍 㪌 㪏 㪫㪈 㪩㪈 㪠㪚㪊㪇㪇 㪪㪦㪚 㪘㪺㪿㩷㪠㪥 㪘㪺㪿㩷㪦㪬㪫 㪌㪭㪘 㪫㪜㪣㩷㪣㪠㪥㪜 㪜㪯㪫㪅㪫㪜㪣 㪟㪘㪥㪛㪪㪜㪫 㪪㪧㪜㪘㪢㪜㪩 㪈㪉㪭 㪟㪪㪪㪧㪂 㪟㪪㪪㪧㪄 㪤㪠㪚㪂 㪤㪠㪚㪄 㪈㪉㪭 㪉㪅㪌㪭 㪚㪥㪞㪤㪬㪫㪜 㪝㪶㪤㪬㪫㪜 㪛㪚 㪫㫉㪸㫅㫊㪽㫆㫉㫄㪼㫉 㪛㪘㪦㪬㪫 㪟㪦㪦㪢 㪟㪦㪦㪢㩷㪪㪮 㪈㪉 㪈㪌 㪠㪚㪉㪇㪊 㪘㪝㪜㩷㩿㪙㩷㪺㪿㪀 㪙㪺㪿㩷㪠㪥 㪙㪺㪿㩷㪦㪬㪫 㪈㪉 㪟㪪㪪㪧㪤㪬㪫㪜 㪝㪘㪯㩷㪩㪯 㪌㪭㪘 㪚㪠㪛㩷㪩㪯 㪛㪘㪦㪬㪫 㪟㪪㪪㪧㪤㪬㪫㪜 㪞㪉㪌 㪪㪧㪤㪬㪫㪜 㪮㪉㪋 㪙㪜㪣㪣 㪮㪉㪌 㪭㪉㪍 㪚㪠㪛㩷㪩㪯 㪭㪉㪌 㪝㪘㪯㩷㪩㪯 㪜㪉㪌 㪝㪶㪤㪬㪫㪜 㪭㪉㪋 㪚㪥㪞㪤㪬㪫㪜 㪘㪉㪌 㪟㪦㪦㪢 㪧㪉㪊 㪣㪠㪥㪜㪩㪣㪰 㪊㪅㪊㪭 㪘㪈㪐 ...

Page 29: ...ection Circuit 1 Circuit Operation The signal waveform for each point is indicated below The signal low level section input to IC300 W25 TEL LINE PC103 1 2 4 IC300 W25 6 4 4 Pulse Dial Circuit The pulse dial is generated by operating the transistor Q201 while OFF HOOK RLY100 ON condition Make state IC300 P23 High Level Q201 ON RLY100 ON Break state IC300 P23 LOW Level Q201 OFF PC100 OFF 6 4 5 Line...

Page 30: ...fer to Check Sheet for Signal Route of CNG DTMF Caller ID detection detection P 138 6 4 8 Calling Line Identification Circuit FSK 1 Function This unit is compatible with the Caller ID service offered by your local telephone company To use this feature you must sub scribe to a Caller ID service The data for the caller ID from the telephone exchange is sent during the interval between the first and ...

Page 31: ...k Sheet for Signal Route of DTMF Monitor Speaker P 138 Handset Operation Refer to Check Sheet for Signal Route of DTMF Monitor Handset P 138 b ALARM BEEP KEY TONE BELL Refer to Check Sheet for Signal Route of Ringing Alarm Beep Key tone P 138 6 5 1 3 TAM Interface Section 1 Function When TAM is connected to this unit the unit receives documents for FAX calls or the external TAM records a voice mes...

Page 32: ... A3 of IC300 goes to a low level and the transistor Q518 turns on This applies voltage to the CIS The CIS is driven by each of the CCDSH CCDCLK signals output from IC300 and the original image illuminated by the LED to output an analog image signal The analog image signal is input to the AFE on VINP 20pin of IC503 and converted into 16 bit data by the A D converter inside IC503 Then this signal un...

Page 33: ...rt signal 2 Clock signal Output pin Pin C26 Output Signal Pulse Pulse frequency approx 2 5KHz at normal printing speed Pulse frequency approx 1 2KHz at half printing speed This signal is also inverted by transistor Q508 and supplied to motor as clock signal 3 Brake signal Output pin Pin D26 Output Signal H When this signal is inverted by transistor Q509 and becomes L motor recognize this signal as...

Page 34: ...e circuit is consist of motor current control circuit FB Flat Bed motor driver ADF Auto Document Feeder equipped model only motor driver and OCP Over Current Protection circuit 6 7 2 1 Motor current control circuit 1 Function According to the scan speed motor current is controlled for appropriate value For example when scan speed is low motor has enough driving force So to prevent the vibration an...

Page 35: ... is high Vref voltage is increased For FB motor motor current is controlled approx 0 15A 0 3A For ADF motor motor current is controlled approx 0 25A 0 35A ADF equipped model only 2 Circuit Diagram FBMEN ADFMEN CRM0 CRM1 CRM2 CRM3 CRM4 CRM5 PWD IC300 R601 C601 A B R604 A24 B21 A21 C22 B22 A22 B23 C23 Current control circuit O C P circuit VM1 VM2 ENABLE PHA1 PHB1 IN0 IN1 IN2 IN3 Vref BOUT2 BOUT1 AOU...

Page 36: ...less than 0 44A and the wattage is also limited to less than 10 6W 0 44Ax24V By limiting the wattage less than 15W risk of fire hazard is eliminated This signal is designed to become High when software can not control motors properly by some accidents When base of Q602 becomes High ENABLE signal becomes Low and FB motor currents are cut off Therefore even in the case of software can not control mo...

Page 37: ...085CXW KX MB2090CXW 6 8 Timing chart and wave form of scanner motors Control sequence and waveform of both FB and ADF motor are almost same 6 8 1 Normal 1 2 phase excitation half step 1 Timing chart 2 Wave form ...

Page 38: ...38 KX MB2085CXW KX MB2090CXW 6 8 2 Flat torque 1 2 phase excitation half step 1 Timing chart 2 Wave form ...

Page 39: ...39 KX MB2085CXW KX MB2090CXW 6 8 3 W1 2 phase excitation Quarter step 1 Timing chart 2 Wave form ...

Page 40: ...on 6 9 1 General This unit is equipped with two FAN motors to prevent the developing devices Power Supply Unit PSU and other devices from overheating during printing The FAN rotates at high speed Approx 3000rpm while printing After printing is finished FAN rotates at low speed Approx 2200rpm while predetermined period ...

Page 41: ...Q422 are turned off So voltage between R507 falls gradually By repeating these sequences voltage between R425 is controlled approx 1 24V On the other hand if FAN voltage is represented Vo and voltage between R425 is represented VL VL is determined as below for mula VL Vo R425 R430 R425 Vo VL R430 R425 R425 Since each value is as follows Vo is determined approx 9 7 V VL 1 24 V R430 150 Kohm R425 22...

Page 42: ...pulse is wider than predetermined value it is judged that FAN error occurred Then display shows Call Service 4 Refer to CALL SERVICE 4 P 104 6 9 4 Control table 6 9 5 Waveform FANON1H IC300_pinK25 FAN1and FAN2 mode H Full speed Pulse Half speed L Stop ...

Page 43: ...ckup Solenoid These solenoids are designed to be driven 24V The diode protect transistors from reverse generated voltage when solenoids are turned off 1 Circuit Diagram 2 Active Logic RESIST MODE IC300_L26 Solenoid ON High level Solenoid OFF Low level PICKUP MODE IC300_L24 Solenoid ON High level Solenoid OFF Low level ...

Page 44: ...44 KX MB2085CXW KX MB2090CXW 6 11 LSU Laser Scanning Unit Section ...

Page 45: ...45 KX MB2085CXW KX MB2090CXW ...

Page 46: ...ror Pickup sensor Pickup Fan2 PCB SW50 PAPER JAMMED CHECK REAR CVR WRONG PAPER PRESS START Exit sensor Fuser PCB PS50 PAPER JAMMED Read position sensor ADF PCB PS53 CHECK DOCUMENT Registration Manual paper sen sor Registration PTOP PCB PS51 PAPER JAMMED Print timing sensor Registration PTOP PCB PS52 PAPER JAMMED Document sensor ADF PCB PS54 Top cover sensor H V P S SW1 TOP COVER OPEN Toner sensor ...

Page 47: ...or not and whether Rear Cover is opened or closed When there is a recording paper at the position of the switch the input signal of IC300 AD23pin becomes low level When there is no recording paper at the position of the switch the input signal of IC300 AD23pin becomes high level High Voltage ERROR Status Drum sensor Signal IC300 J23 Abnormal DRUM can not be detected Low level Normal DRUM can be de...

Page 48: ...e front edge of the document is detected the shelter plate closes the sensor light So the photo transistor turns off and the input signal of IC300 AB24pin becomes high level When the front edge of the document is not detected the shelter plate lets the sensor light pass So the photo transistor turns on and the input signal of IC300 AB24pin becomes low level This sensor LED is controlled by IC300 M...

Page 49: ...IC300 AF22pin becomes high level 6 12 6 Print Timing Sensor This sensor detects whether the recording paper is at the printing position When the recording paper is detected the shelter plate lets the sensor light pass So the photo transistor turns on and input signal of IC300 AA25pin becomes low level When the recording paper is not detected the shelter plate closes the sensor light So the photo t...

Page 50: ...l of IC300 AC26pin becomes low level This sensor LED is controlled by IC300 M26pin 6 12 8 Top Cover Sensor The Switches detect whether the top cover is open or closed When the top cover is closed the switches turn ON and the input signal of IC300 AA24pin becomes a low level When the top cover is open the switches turns OFF and the input signal of IC300 AA24pin becomes a high level Photo transistor...

Page 51: ... weight The rotation speed of paddle is set slower than the one of pendu lum which falls down by its own weight When the toner is still left the pendulum falls and stops on the toner then pushed by the paddle it starts to rotate When no toner is left the pendulum falls to the bottom Consequently the contact time between the magnet and Magnetic Field sensor IC becomes short when toner is left and l...

Page 52: ...uous 5 times TONER LOW signal at only printing It is not executed at 2 Toner full can be judged by continuous 6 times TONER FULL signal at initialization It is not executed at printing 3 In the ordinal operation CHANGE DRUM is displayed when TONER EMPTY sensor does not generate a signal for 7 4 sec onds ...

Page 53: ...53 KX MB2085CXW KX MB2090CXW 6 12 9 2 Drum Detection ...

Page 54: ...handset is raised the switch is turned off and the signal of IC300 A25pin becomes low level When the handset is settled the switch is turned on and the signal of IC300 A25pin becomes high level SW940 Signal IC300 A25pin ON HOOK OPEN High level OFF HOOK CLOSE Low level ...

Page 55: ... a Hard Scan LED7 shoule be set to KSL4 8 x 5 key matrix is executed by hardware scanning 2 LED AUTO ANSWER LED ON OFF port XLED10 IC1 9pin FAX MODE LED ON OFF port XLED12 IC1 15pin COPY MODE LED ON OFF port XLED11 IC1 16pin SCAN MODE LED ON OFF port LED2 IC1 36pin KIN0 KIN1 KIN2 KIN3 KIN4 KIN5 KIN6 KIN7 KSL0 7 9 8 REDIAL KSL1 0 LOWER S3 FLASH KSL2 2 1 MENU 3 MONITOR SCAN COPY CONTRAST KSL3 STOP S...

Page 56: ...h the Gate Array IC1 by serial interface The contrast is controled by Electronic Volume LCD reset act at Low level RST CS0 RST CD SCL SI LCD UNIT COG TYPE COG Chip on Glass IC1 Timing Chart Circuit Diagram SCK CD SDA Write CS0 CS1 tCSSAS8 tCYS8 tLPWS8 tHPWS8 tCSHS8 tf tr tDSS8 tDHS8 tASS8 tAHS8 ...

Page 57: ...rom CHG OUTPUT GRID BIAS is generated by the current flowing in the GRID circuit via charge wire and GRID Charge CHG Grid Developing DC Developing AC Transfer TRA Transfer TRA Output Characteristics Constant current Constant voltage Constant voltage Constant voltage Constant current Variable Constant voltage Nominal Output Voltage 4 35KV 475 10V 230V 15V 50 300V PWM20 300MΩ 220pF 330V 15Vp p 34KHz...

Page 58: ...p p 34 kHz wave of developing AC voltage is output from DEV OUTPUT This voltage is overlapped with developing DC voltage and output as AC voltage that includes the development DC voltage 6 15 5 TRA BIAS Transfer BIAS TRA BIAS Transfer BIAS UNIT When CHG REM is L and TRA CLK is open Charge BIAS 200µA is output from CHG OUTPUT and at the same time Transfer BIAS 785V is output from TRA OUTPUT When 5 ...

Page 59: ... voltage which is determined by 3 3V R581 and R584 If Therm0 voltage becomes lower than this predetermined voltage this voltage corresponds to about 240 C output of IC504_pin7 becomes H then Q530 turns ON Once Q530 turns on IC507_pin7 keeps H even after the THRMSTR0 voltage becomes bigger than the voltage of IC504_pin5 And when IC507_pin7 keeps H both Q500 and Q527 turn off As the result once Fuse...

Page 60: ...60 KX MB2085CXW KX MB2090CXW ...

Page 61: ...ater temperature in service mode Push the keys MENU 9 0 0 0 8 1 5 The correspondence readings between temperature measured by thermistor and HEX readings Temperature C AD value HEX reading Temperature C AD value HEX reading Temperature C AD value HEX reading 0 255 FF 84 232 E8 168 122 7A 1 255 FF 85 231 E7 169 120 78 2 255 FF 86 231 E7 170 119 77 3 255 FF 87 230 E6 171 117 75 4 255 FF 88 229 E5 17...

Page 62: ... 133 176 B0 217 61 3D 50 248 F8 134 175 AF 218 61 3D 51 248 F8 135 173 AD 219 60 3C 52 248 F8 136 172 AC 220 59 3B 53 248 F8 137 170 AA 221 58 3A 54 247 F7 138 169 A9 222 57 39 55 247 F7 139 167 A7 223 56 38 56 247 F7 140 166 A6 224 55 37 57 246 F6 141 164 A4 225 55 37 58 246 F6 142 162 A2 226 54 36 59 246 F6 143 161 A1 227 53 35 60 245 F5 144 159 9F 228 52 34 61 245 F5 145 158 9E 229 51 33 62 244...

Page 63: ...9 15 0F 30 232 E8 5 165 A5 40 83 53 75 35 23 110 15 0F 29 230 E6 6 163 A3 41 81 51 76 34 22 111 14 0E 28 229 E5 7 161 A1 42 79 4F 77 33 21 112 14 0E 27 228 E4 8 158 9E 43 77 4D 78 32 20 113 14 0E 26 226 E2 9 156 9C 44 76 4C 79 31 1F 114 13 0D 25 225 E1 10 153 99 45 74 4A 80 31 1F 115 13 0D 24 223 DF 11 151 97 46 72 48 81 30 1E 116 13 0D 23 222 DE 12 148 94 47 70 46 82 29 1D 117 13 0D 22 220 DC 13 ...

Page 64: ...ly circuit have a function which reduces power consumption It is performed at the time of not operating condition Sleep The content is as follows When not operating for a definite period of time it performs automatically by the following change 1 SoC IC300 is changed into sleep mode from normal mode ...

Page 65: ...ower Supply Descriptions IC802 is low dropout three terminal regulator Q804 C814 K4700p IC800 1 EN 2 VFB 3 VREG5 4 SS 5 GND1 6 SW 7 VBST 8 VIN 9 GND2 LVIN R812 0 1608 C813 K1u R809 10k C812 NC R816 1k 1 2V R842 NC R803 F22 1k C809 Z0 1u 1608 5VD C808 10u 25V R811 F12 7k C816 47u 6 3V R815 10k R805 10k 1608 C810 K0 1u Q803 C825 NC L801 2 2u D801 1 2V C807 47u 6 3V R802 0 2125 3 3V C801 10u 25V R839...

Page 66: ...Supply Descriptions 1 Q807 R825 C822 R826 Q806 are the switch circuit which turns off a 24V power supply at the time of Sleep mode C815 35V 100u Q806 NC S3 3V C811 Z0 1u 1608 C822 NC R810 0 2125 P24V 24V R826 NC R825 NC Q807 NC 4 5 1 2 3 6 7 8 24V ...

Page 67: ...ed by D7001 D7002 D7003 and D7004 and charge C7002 to make DC voltage Then it supplies power to the converter circuit Kick on Voltage Circuit Bias is applied to the Q7001 gate via this circuit when the AC power is turned on and Q7001 begins operating Over Current Limiter O C L The highest drain current of Q7001 is limited by a limit current circuit The 7V and 24V output is limited by this circuit ...

Page 68: ...d developing When paper is fed from the standard cassette the plunger of solenoid is pulled to drive PICK UP ROLLER STANDARD then the roller starts feeding paper When paper is fed manually first the plunger of solenoid is pulled to stop REGISTRATION ROLLER After a few moments turn off the solenoid to drive REGISTRATION ROLLER then the roller starts feeding paper ...

Page 69: ...fer to the Operating Instructions Instruction book 8 Installation Instructions Refer to the Operating Instructions Note You can download and refer to the Operating Instructions Instruction book 9 Operating Instructions Refer to the Operating Instructions Note You can download and refer to the Operating Instructions Instruction book ...

Page 70: ...F as single tones Used to check the frequencies of the individ ual DTMF tones Refer to DTMF Single Tone Transmit Selection P 72 1 ON 2 OFF LED TEST Service Mode 5 5 7 All LEDs above the operation panel board flash on and off or are illuminated KEY TEST Service Mode 5 6 1 Checks the button operation Indicates the button code on the LCD while the button is pressed Refer to But ton Code Table P 72 ST...

Page 71: ...cument S Read position S Docu detect No document C Top cover C Cover open Cover close None R Registration R Paper detect No paper E Paper exit E Paper detect No paper None T Toner T Toner detect No toner None 3F Fuser thermistor 3F 00 high temp FF low temp None DF Fuser thermistor DF 00 high temp FF low temp None None None U Pickup Rear Cover U Paper detect No paper T Print timing T Paper detect N...

Page 72: ...MB2085CXW KX MB2090CXW 10 1 1 DTMF Single Tone Transmit Selection Note After performing this check do not forget to turn the setting off otherwise dialing in DTMF signal will not work 10 1 2 Button Code Table ...

Page 73: ...10 1 3 Print Test Pattern 1 NO 01 2 NO 06 3 NO 03 These print test patterns are just image printing and differ ent from actual ones When it is required to judge the print quality compare with the printing of a nondefective machine ...

Page 74: ...lable to the user The special programs are only those listed here and not displayed to the user In both the User and Service Modes there are Set Functions and Test Functions The Set Functions are used to program various features and functions and the Test Func tions are used to test the various functions The Set Functions are accessed by entering their code changing the appropriate value then pres...

Page 75: ...ns P 70 552 DTMF single tone test 1 ON 2 OFF 1 2 2 See Test Functions P 70 553 Monitor on FAX communication select 1 OFF 2 PHASE B 3 ALL 1 3 1 Sets whether to monitor the line signal with the unit s speaker during FAX communication or not 554 Modem test See Test Functions P 70 555 Scanner test See Test Functions P 70 556 Motor test 0 See Test Functions P 70 557 LED test See Test Functions P 70 558...

Page 76: ...P 100 677 FAN test See Test Functions P 70 710 Memory clear except History data Refer to Memory Clear Specification P 77 711 Dialing mode 1 PULSE 2 TONE 1 2 1 717 Transmit speed select 1 14400BPS 2 12000BPS 3 9600BPS 4 7200BPS 5 4800BPS 6 2400BPS 1 6 1 If the code 527 is set at 1 the code 717 and 718 work 718 Receive speed select 1 14400BPS 2 12000BPS 3 9600BPS 4 7200BPS 5 4800BPS 6 2400BPS 1 6 1 ...

Page 77: ...ore details Refer to Program Mode Table P 90 11 1 4 Memory Clear Specification 1 Execute Service Mode 550 when you want to reset the all setting data keeping the user information 2 Execute Service Mode 710 to clear the user information in case that Main Unit is recycled Note Please restart a power supply after clearing a memory ...

Page 78: ...78 KX MB2085CXW KX MB2090CXW 11 2 User Mode The list below is an example of the SYSTEM SETUP LIST the unit prints out KX MB2085 Code Set Value Code Set Value ...

Page 79: ...79 KX MB2085CXW KX MB2090CXW Note The above values are the default values Code Set Value Code Set Value ...

Page 80: ...80 KX MB2085CXW KX MB2090CXW KX MB2090 ...

Page 81: ...81 KX MB2085CXW KX MB2090CXW Note The above values are the default values ...

Page 82: ...82 KX MB2085CXW KX MB2090CXW 11 3 Service Mode Settings Example of a printed out list Note The above values are the default values ...

Page 83: ...B2085CXW KX MB2090CXW 11 4 History Example of a printed out list Note See the following descriptions of this report Item No 1 31 are corresponding to the listed items in Descriptions of the History Report P 84 ...

Page 84: ...er of PC Scan 12 Number of Document JAM 13 Number of Print 14 Number of Warning List 15 Number of Help List 16 Call Service 3 Information 1 17 Call Service 3 Information 2 18 Call Service 3 Information 3 19 Number of Recording paper JAM 20 Number of Pickup Errors in Cassette 1 21 Number of Pickup Errors in Manual Feed 22 Not used 23 Not used 24 Not used 25 Not Used 26 Not Used 27 Number of Copies ...

Page 85: ... to B5 ISO B5 JIS or 16K so received faxes have been stored into memory Change the recording paper size setting and load the appropriate recording paper Note 1 Check the paper input tray The displayed paper size depends on the recording paper size setting 2 Check the manual input tray The displayed paper size depends on the recording paper size setting Recording paper was not fed into the unit pro...

Page 86: ...setting is set to ALWAYS check the connection between the computer and the unit check that the computer is turned ON There is no space to store new items in the phonebook Erase unnecessary items The unit is warming up Wait for a while The other party s fax machine does not offer the polling function Check with the other party The other party s fax machine is busy or has run out of recording paper ...

Page 87: ... or you do not have permission to login to the server Consult your network administrator The server name is incorrect Consult your network administrator The server is down Consult your network administrator to activate the server The cable between the unit and the computer is not connected correctly Check the connections Check that the computer is turned ON The path of FTP server or SMB folder is ...

Page 88: ...etup list code 991 and the service list code 999 from the customer s fax machine Based on this the parameters for the desired codes can be changed The procedure for changing and listing parameters is described on Entering the Remote Programming Mode and Changing Service Codes P 89 Also before exiting the remote programming mode it is advisable to obtain a new list to confirm that the changes were ...

Page 89: ...89 KX MB2085CXW KX MB2090CXW 12 2 1 Entering the Remote Programming Mode and Changing Service Codes CROSS REFERENCE Program Mode Table P 90 ...

Page 90: ...2 A4 3 LEGAL 4 B5 ISO 5 B5 JIS 6 16K 7 216x330 8 216x340 1 A4 OK 383 MEDIA TYPE 1 1 PLAIN PAPER 2 THIN PAPER PLAIN PAPER OK 384 MEDIA TYPE 2 1 PLAIN PAPER 2 THIN PAPER PLAIN PAPER OK 403 POWER SAVE 1 1min 5 5min 15 15min 30 30min 45 45min 1min OK 462 CONTRAST HOLD 1 DISABLED 2 ENABLED DISABLED OK 463 DEFAULT MODE 1 COPY 2 FAX COPY OK 464 MODE TIMER 0 OFF 1 30S 2 1min 3 2min 4 5min 1min OK 479 DEPT...

Page 91: ...BLED OK 468 ZOOM HOLD 1 DISABLED 2 ENABLED DISABLED OK 469 COLLATE HOLD 1 DISABLED 2 ENABLED DISABLED OK 473 EDGE HOLD 1 DISABLED 2 ENABLED DISABLED OK 474 FRAME MARGIN 1 DISABLED 2 ENABLED DISABLED OK 475 MARGIN HOLD 1 DISABLED 2 ENABLED DISABLED OK Code Function Set Value Default Remote Setting 774 DATA TIMEOUT 5 600s 60s NG 776 MUTUAL A4 LETTER 2 ON 1 OFF ON OK Code Function Set Value Default R...

Page 92: ... 001 255sec 052 OK 570 Break select 1 61 2 67 61 1 OK 571 ITS auto redial time set 00 99 5 OK 572 ITS auto redial line disconnection time set 001 999sec 185 OK 573 Remote turn on ring number set 00 99 10 OK 574 Dial tone detect check 1 ON 2 OFF OFF OK 590 FAX auto redial time set 00 99 05 OK 591 FAX auto redial line disconnection time set 001 999sec 185 OK 592 CNG transmit select 1 OFF 2 ALL 3 AUT...

Page 93: ...o the Set Value you want to select 1 ERROR 2 ON 3 OFF Note 1The default value changes depends on Location setting 114 Refer to the following list for more details Refer to Program Mode Table P 90 815 Sensor check NG 852 Print test pattern NG 853 Top margin 1 11 6 OK 854 Left margin 1 11 6 OK 874 DTMF ON time 060 200msec 100 OK 875 DTMF OFF time 060 200msec 100 OK 880 History list NG 881 Journal 2 ...

Page 94: ...ler may use different expressions for the same problem as they are not a technician or engineer Using your experience test the problem area corresponding to the claim Also returns from a customer or dealer often have a claim tag For these cases as well you need to determine the problem Test the unit using the simple check list on Simple Check List P 96 Difficult problems may be hard to determine s...

Page 95: ...zation one is the short initialization about 3 seconds and the other is the long initialization about 10 seconds The short initialization makes the unit enter the standby mode The long initialization makes the unit enter the standby mode after cleaning or detecting the rest of toner ...

Page 96: ...96 KX MB2085CXW KX MB2090CXW 12 3 4 Simple Check List Note Check according to the service code referring to Test Functions P 70 ...

Page 97: ...drum cartridge Dirty the pickup roller and the regist roller and the feed roller and the eject roller and the heat roller and the pressure roller Clean the pickup roller and the regist roller and the feed roller and the eject roller and the heat roller and the pressure roller Failed the high voltage terminal Check the high voltage terminal Failed the high voltage power supply board Go to High Volt...

Page 98: ...ber Clean or replace the separation rubber Failed the gear Check the gear Failed the solenoid Check the solenoid Failed the engine motor Go to Motor Section P 144 Failed the pickup sensor lever Check the pickup sensor lever Failed the pickup sensor Go to Sensor Section P 141 5 The Recording Paper Jam P 117 PAPER JAMMED ON THE LCD Dirty or failed the pressure roller Clean or replace the pressure ro...

Page 99: ...ion P 148 2 An Abnormal Image Is Copied P 122 Dirty or failed the white plate and sheet 2 places Clean or replace the white plate and sheet Dirty or failed the glass board Clean or replace the glass board Dirty or failed the document feed roller at ADF Clean or replace the document feed roller Dirty or failed the separation roller at ADF Clean or replace the separation roller Failed CIS movement a...

Page 100: ...emperature 200 C 4Fh 05 means that it did not reach the first stabilizing temperature 170 C 77h within 35 seconds from detection temperature 1 70 C F1h 06 means that it became 235 C 2Fh or over during printing 07 means that during printing the short of the thermistor AD 00h was detected 08 means that the thermistor s short AD 00h were detected 09 means that it became 235 C 2Fh or over during sleep...

Page 101: ...101 KX MB2085CXW KX MB2090CXW 12 3 6 1 CALL SERVICE 1 CALL SERVICE 1 means that the polygon motor inside the LSU does not rotate The rotation of the polygon motor is detected by IC300 F23pin NREADY ...

Page 102: ...L SERVICE 2 CALL SERVICE 2 means that the synchronous signal out of the LSU cannot be detected The synchronous signal out of the LSU is detected by IC 300 W26pin NHSYNC Note As for the Pulse waveform of the above flow chart see the timing chart ...

Page 103: ...es not rise up to or exceed a constant temperature The temperature is monitored with the thermistor inside the fuser and detected with the voltage input into IC 300 C21 When Call Service 3 is occurred the cause can be distinguished by service mode 655 Refer to CALL SERVICE Troubleshooting Guide P 100 for details ...

Page 104: ...he FAN does not run or the running of the FAN cannot be detected normally The running of the FAN is detected by IC300 AE23 and AB26pin CALL SERVICE 4 is displayed when it detects NG three times continuously After repairing copy three times If CALL SERVICE 4 is displayed check again ...

Page 105: ...105 KX MB2085CXW KX MB2090CXW 12 3 6 5 CALL SERVICE 5 CALL SERVICE 5 means that Engine DC motor s rotation detection signal LD does not become Low ...

Page 106: ...106 KX MB2085CXW KX MB2090CXW 12 3 6 6 CALL SERVICE 6 CALL SERVICE 6 indicates that abnormal charge voltage is output from the high voltage unit ...

Page 107: ...107 KX MB2085CXW KX MB2090CXW 12 3 7 Print 12 3 7 1 Ghost Image CROSS REFERENCE High Voltage Section P 152 Power Supply Board Section P 67 ...

Page 108: ...108 KX MB2085CXW KX MB2090CXW 12 3 7 2 Dark or White Vertical Line Note When wiping the cover glass reflecting mirror use a dry and soft cloth ...

Page 109: ...109 KX MB2085CXW KX MB2090CXW 12 3 7 3 Dark or White Horizontal Line CROSS REFERENCE High Voltage Section P 152 ...

Page 110: ...110 KX MB2085CXW KX MB2090CXW 12 3 7 4 Dirty or Half Darkness Background CROSS REFERENCE High Voltage Section P 152 ...

Page 111: ...111 KX MB2085CXW KX MB2090CXW 12 3 7 5 Black Print CROSS REFERENCE High Voltage Section P 152 LSU Laser Scanning Unit Section P 44 ...

Page 112: ...112 KX MB2085CXW KX MB2090CXW 12 3 7 6 Light Print CROSS REFERENCE High Voltage Section P 152 ...

Page 113: ...113 KX MB2085CXW KX MB2090CXW 12 3 7 7 Black or White Point 12 3 8 Recording Paper Feed 12 3 8 1 Multiple Feed ...

Page 114: ...114 KX MB2085CXW KX MB2090CXW 12 3 8 2 The Recording Paper Is Waved or Wrinkled ...

Page 115: ...115 KX MB2085CXW KX MB2090CXW 12 3 8 3 Skew ...

Page 116: ...116 KX MB2085CXW KX MB2090CXW 12 3 8 4 The Recording Paper Does Not Feed CROSS REFERENCE Sensor Section P 141 Motor Section P 144 ...

Page 117: ...117 KX MB2085CXW KX MB2090CXW 12 3 8 5 The Recording Paper Jam ...

Page 118: ...conditions for OFF 14 After Registration Sensor falls it turns ON already on terminating of Cancel Timer 15 After Registration Sensor rises it turns OFF already on terminating of Cancel Timer 16 Top Sensor never turns ON in the specified time thugh Registration Sensor turns ON 17 Registration Sensor MAX length JAM 18 Top Sensor never turns OFF in the specified time though Registration Sensor turns...

Page 119: ...119 KX MB2085CXW KX MB2090CXW 12 3 8 6 Back Side of The Recording Paper Is Dirty CROSS REFERENCE High Voltage Section P 152 ...

Page 120: ...is turned on the SOC IC300 initializes and checks each IC The ROM IC402 and SDRAM IC400 are checked If initialization fails for the ICs the system will not boot up In this case please find the cause as follows CROSS REFERENCE NG Example P 200 Power Supply Board Section P 67 ...

Page 121: ...121 KX MB2085CXW KX MB2090CXW 12 3 10 ADF Auto Document Feeder Section 12 3 10 1 Black or White Vertical Line Is Copied ...

Page 122: ...122 KX MB2085CXW KX MB2090CXW 12 3 10 2 An Abnormal Image Is Copied CROSS REFERENCE CIS Control Section P 148 ...

Page 123: ...t only gives you basic information about a communication but the other two journal reports provide different information on the same item com munication HOW TO READ JOURNAL REPORTS Example 1 Look at NO 01 in the JOURNAL If you want to know about the details about that item see NO 01 in the JOURNAL 2 and the JOURNAL 3 You can get the following information MODE Fax transmission RCV MODE TEL TX SPEED...

Page 124: ... in parentheses indicate how many times the trigger has been used For example 0003 means three times 5 ERROR MEMORY Indicates the reason why the unit received a fax message in memory If you look at No 11 in the JOURNAL 2 in Printout Example P 125 it shows the fax message was received in memory due to PAPER OUT error NO RESPONSE DISAPPEARED ON JOURNAL The NO RESPONSE DISAPPEARED ON JOURNAL displays...

Page 125: ...Minimum Scan Line Time Used only at the factory 8 EQM RX EQM means Eye Quality Monitor Used only at the factory 9 ERROR LINE RX When an error occurs while receiving a fax this shows the number of error lines 10 MAKER CODE This shows a 2 digit code of the other party s fax machine brand 0E KX model 00 Unknown 79 UF model 19 Xerox model 12 3 11 3 Printout Example ...

Page 126: ...126 KX MB2085CXW KX MB2090CXW ...

Page 127: ... ERROR SND No response after post message is transmitted three times 4 44 COMMUNICATION ERROR SND RTN and PIN are received 5 46 COMMUNICATION ERROR RCV No response after FTT is transmitted 6 48 COMMUNICATION ERROR RCV No post message 7 49 COMMUNICATION ERROR RCV RTN is transmitted 8 50 COMMUNICATION ERROR RCV PIN is transmitted to PRI Q 8 51 COMMUNICATION ERROR RCV PIN is transmitted 8 52 COMMUNIC...

Page 128: ...128 KX MB2085CXW KX MB2090CXW ...

Page 129: ...129 KX MB2085CXW KX MB2090CXW CROSS REFERENCE Test Functions P 70 ...

Page 130: ...130 KX MB2085CXW KX MB2090CXW CROSS REFERENCE Test Functions P 70 ...

Page 131: ...131 KX MB2085CXW KX MB2090CXW CROSS REFERENCE Test Functions P 70 ...

Page 132: ...132 KX MB2085CXW KX MB2090CXW CROSS REFERENCE Test Functions P 70 ...

Page 133: ...133 KX MB2085CXW KX MB2090CXW ...

Page 134: ...134 KX MB2085CXW KX MB2090CXW ...

Page 135: ...135 KX MB2085CXW KX MB2090CXW CROSS REFERENCE Test Functions P 70 ...

Page 136: ...2 3 11 5 Sometime There Is a Transmit Problem Note 596 Transmit level set represents a service code Refer to the Service Function Table P 75 717 Transmit speed select represents a service code Refer to the Service Function Table P 75 ...

Page 137: ...the receiving problem we have thought of causes other than in the software Some causes may be when the fax changes to the memory receiving mode for example when out of paper and the memory becomes full of the unprinted fax data In this case MEMORY FULL and its main cause for example OUT OF PAPER are displayed on the LCD Accordingly by solving the main problem MEMORY FULL can be canceled and the re...

Page 138: ...t the handset microphone and the signal is output to the telephone line The signal mainly flowing on this route is analog You can trace the signal with an oscilloscope The signal flow on each route is shown in the Check Sheet here If you find a specific problem in the unit for example if you cannot communicate with the H S trace that signal route locally with the following Check Sheet and locate t...

Page 139: ...disappears on each route between the handset microphone and telephone line sending or between the telephone line and the handset speaker receiv ing or between the microphone and the telephone line sending or between the telephone line and the speaker receiving Check the components at that point Check Sheet P 138 is useful for this investigation 2 No pulse dialing 3 No ring tone or No bell CROSS RE...

Page 140: ...eck Sheet P 138 12 3 12 3 Detective TAM Interface Section 1 The FAX turns on but does not arrive through TAM CROSS REFERENCE TAM Interface Circuit P 30 2 A FAX is received but won t switch from TAM to FAX CROSS REFERENCE Analog Section P 138 TAM Interface Circuit P 30 ...

Page 141: ...ctions P 70 1 NO KEY OPERATION 2 NO LCD INDICATION CROSS REFERENCE Test Functions P 70 12 3 14 Sensor Section Refer to SENSORS AND SWITCHES for the circuit description Perform an SENSOR CHECK to determine if the sensor is operating correctly 1 Check the pickup sensor FAILED PICKUP ...

Page 142: ...0CXW 2 Check the paper exit sensor PAPER JAMMED 3 Check the read position sensor CHECK DOCUMENT 4 Check the registration manual paper sensor PAPER JAMMED 5 Check the print timing sensor PAPER JAMMED 6 Check the document sensor ...

Page 143: ...CXW 7 Check the top cover sensor TOP COVER OPEN 8 Check the toner sensor TONER LOW CHANGE DRUM CROSS REFERENCE Sensors and Switches Section P 46 10 Check the handset hook switch CROSS REFERENCE Sensors and Switches Section P 46 ...

Page 144: ...144 KX MB2085CXW KX MB2090CXW 12 3 15 Motor Section 12 3 15 1 Engine Motor ...

Page 145: ...145 KX MB2085CXW KX MB2090CXW 12 3 15 2 FB Flatbed Motor CAUTION If F602 IC Protecter open exchange F602 after all repair finish ...

Page 146: ...146 KX MB2085CXW KX MB2090CXW 12 3 15 3 ADF Motor CAUTION If F602 IC Protecter open exchange F602 after all repair finish ...

Page 147: ...147 KX MB2085CXW KX MB2090CXW 12 3 16 LSU Section CROSS REFERENCE LSU Laser Scanning Unit Section P 44 ...

Page 148: ...148 KX MB2085CXW KX MB2090CXW 12 3 17 CIS Control Section ...

Page 149: ...149 KX MB2085CXW KX MB2090CXW CROSS REFERENCE Test Functions P 70 ...

Page 150: ...n Be careful high voltage is output at that moment Avoid mea suring then 7 The unit enters the service mode Then push 556_0 8 Push the SET button High voltage will be added to the unit in the hereafter Avoid touching the wire and the tip of high voltage probe where high voltage is supplied 9 When the measurement is finished push the STOP button The high voltage output is stopped 10 Remove the wire...

Page 151: ...151 KX MB2085CXW KX MB2090CXW ...

Page 152: ...152 KX MB2085CXW KX MB2090CXW 12 3 19 High Voltage Section 1 Main ...

Page 153: ...153 KX MB2085CXW KX MB2090CXW 2 CHG GRID ...

Page 154: ...154 KX MB2085CXW KX MB2090CXW 3 TRA ...

Page 155: ...155 KX MB2085CXW KX MB2090CXW 3 DEV DC ...

Page 156: ...156 KX MB2085CXW KX MB2090CXW TRA ...

Page 157: ...157 KX MB2085CXW KX MB2090CXW 12 3 20 USB Section Troubleshooting 1 Confirmation of the PC settings ...

Page 158: ...158 KX MB2085CXW KX MB2090CXW 2 Confirmation of the main unit ...

Page 159: ...it Diagram Sequence of normal operation When USB cable from PC is connected to CN300 VBUS voltage goes up to 5V and IC300 recognize the connection with PC Then D becomes about 3V waveform 1 1 The D becomes 0V then communication between IC300 and PC is started waveform 2 1 When a few seconds elapsed after USB cable was inserted into CN300 the unit enters stand by mode When PC is at Hi Speed wavefor...

Page 160: ...160 KX MB2085CXW KX MB2090CXW Waveform of normal operation ...

Page 161: ...3 21 LAN SECTION LAN Block Diagram LAN Circuit signal waveform Normal Transmitter waveform TD CN750 pin1 TD CN750 pin2 differential voltage Differential probe is used 1 When network equipment is not connected LAN cable is not connected ...

Page 162: ...162 KX MB2085CXW KX MB2090CXW 2 When 100Base TX enabled deviced is connected ...

Page 163: ...163 KX MB2085CXW KX MB2090CXW 3 When 10Base T enabled device is connected ...

Page 164: ...ull up pull down value is latched as PHYADDR 2 during power up reset See Strapping Options section for details 16 RXD0 RXD 0 DUPLEX Ipu O MII Mode Receive Data Output 0 2 RMII Mode Receive Data Output 0 3 Config Mode Latched as DUPLEX register 0h bit 8 during power up reset See Strapping Options section for details 17 VDDIO_3 3 P 3 3V digital VDD 18 RXDV CRSDV CONFIG2 Ipd O MII Mode Receive Data V...

Page 165: ...its are synchronous with TXCLK When TXEN is asserted TXD 3 0 presents valid data from the MAC through the MII TXD 3 0 has no effect when TXEN is de asserted RMII Tx Mode The TXD 1 0 bits are synchronous with REF_CLK For each clock period in which TX_EN is asserted two bits of data are received by the PHY from the MAC 30 LED0 NWAYEN Ipu O LED Output Programmable LED0 Output Config Mode Latched as A...

Page 166: ...166 KX MB2085CXW KX MB2090CXW 12 3 22 Main Board Section Main Unit Power Supply Troubleshooting Guide ...

Page 167: ...ly and lightning surge voltage test with standing voltage test intentional short circuit test etc Caution If you find a melted fuse in the unit do not turn on the power until you located and repair the faulty parts except for the fuse otherwise the fuse will melt again and you cannot pinpoint the faulty point In most cases the symptom is that nothing is output It is more likely that the fault is i...

Page 168: ...168 KX MB2085CXW KX MB2090CXW 12 3 23 2 Troubleshooting Flow Chart ...

Page 169: ...through the Gate circuit which is composed of U7001 You should change all of the parts listed as follows Q7001 U7001 D7011 D7012 D7001 D7004 C7002 If overvoltage Approx 450V was supplied for a power supply unit C7002 will be broken D7001 D7004 If D7001 D7004 are short circuit F7003 will melt open In this case replace all of the parts D7001 D7004 F7003 F7005 If F7005 is melted open check the 24 Vol...

Page 170: ...170 KX MB2085CXW KX MB2090CXW 12 4 RECORDING PAPER JAM Refer to the Operating Instructions Note You can download and refer to the Operating Instructions Instruction book ...

Page 171: ...171 KX MB2085CXW KX MB2090CXW 13 Service Fixture Tools ...

Page 172: ...172 KX MB2085CXW KX MB2090CXW 14 Disassembly and Assembly Instructions Note Remove the Document Cover the Paper Input tray and the drum and toner cartridge before reassembling ...

Page 173: ...173 KX MB2085CXW KX MB2090CXW 14 1 Bottom Section 14 2 Left Side Section ...

Page 174: ...174 KX MB2085CXW KX MB2090CXW 14 3 Operation Panel Section 14 4 Open Top Cover ...

Page 175: ...175 KX MB2085CXW KX MB2090CXW 14 5 Remove Operation Panel 14 6 Remove Operation Board ...

Page 176: ...176 KX MB2085CXW KX MB2090CXW 14 7 Remove Main Board ...

Page 177: ...177 KX MB2085CXW KX MB2090CXW 14 8 Remove Gear Chassis Section ...

Page 178: ...178 KX MB2085CXW KX MB2090CXW 14 9 Remove Right Cover 14 10 Remove Right Cassette Guide ...

Page 179: ...179 KX MB2085CXW KX MB2090CXW 14 11 Remove Bottom Plate 14 12 Remove Laser Unit ...

Page 180: ...180 KX MB2085CXW KX MB2090CXW 14 13 Remove Pick up Roller ...

Page 181: ...181 KX MB2085CXW KX MB2090CXW 14 14 Remove Low Voltage Power Board 14 15 Remove Mirror ...

Page 182: ...182 KX MB2085CXW KX MB2090CXW 14 16 Remove High Voltage Power Board 14 17 Note for disassembly 14 17 1 Position of Installing LABEL CIS HOME ...

Page 183: ...CXW KX MB2090CXW 14 18 Installation Position of The Lead 14 18 1 Top Cover Section 1 Pass the ope panel lead to along the wall of cabinet Pay attention to the direction to install How to install CIS Spacers UL tape ...

Page 184: ...CXW KX MB2090CXW 14 18 2 Top Cover Section 2 Stick the tape according to the shape View A Cover the leads completely with tape View A Hook the leads Hook the lead from a little number A wire is not hanging on a hook ...

Page 185: ...085CXW KX MB2090CXW 14 18 3 Bottom Part Section 1 Pass the lead between these boss Brown Pass these leads through the groove Enter to Hook completely Black Pass the leads through the hole as shown in this figure ...

Page 186: ...ection 2 SCREW Bind for following leads around a boss with a binder Don t insert LEAD FUSER and HARNESS AC by mistake HARNESS AC LEAD FUSER LEAD AC EARTH HARNESS AC LEAD FUSER LEAD HV Terminal of Harness Washer PLATE COVER SMPS Dressing of LEAD AC EARTH ...

Page 187: ...gh like this UL tape Harness must not come out below this line Cram the core into the opening Installation detail of ADF WIRE and EARTH LEAD Don t overlap with riveted o wire Please ignore the cavinet color Tighten the earth lead together The earth leads must not be under UNIT BOARD MAIN EARTH LEAD ADF WIRE Terminal of wire Bend of plate View A ...

Page 188: ...quipment After completing the repairs conduct copying self testing and communication testing to confirm that the equipment operates normally 7 Record keeping Make a record of the measures taken to rectify the problem for future reference 15 1 2 Maintenance Check Items Component Locations 15 1 2 1 Maintenance List NO OPERATION CHECK REMARKS 1 Document Path Remove any foreign matter such as paper 2 ...

Page 189: ...n dry thoroughly These values are standard and may vary depending on usage conditions No Item Cleaning Cycle 1 Pick up Roller Ref No 320 2 Separation Roller Ref No 340 3 Feed Roller Ref No 211 3 months 4 Transfer Roller Ref No 161 5 Registration Roller Ref No 196 3 months 6 Heat Roller Ref No 232 7 Exit Roller Ref No 242 3 months ...

Page 190: ...CHARGING Charging is the stage that keeps the surface of the sensitive drum a fixed electric potential The sensitive drum is the Organic Photo Conductor OPC which is a electric conductive cylinder whose surface is covered with the Charge Generation Transfer Layer CGTL When the charging bias DC 4 35kv is added and the plus charge is supplied to the OPC surface while charging the whole sur face pote...

Page 191: ...yer Passing through the Charge Generation Transfer Layer which conducts the minus charge the plus charged drum s surface is neutralized to be skipped Then the plus charge goes to the ground from the electric conductive cylinder Consequently the charge of the part which is not exposed remains as it is and the electric potential of the scanned part changes At that time an invisible image is created ...

Page 192: ...er Secondly the potential difference causes to send the toner to the developing roller from the toner supply roller The supplied toner to the developing roller is kept to a certain layer thickness by the developing blade and also it is charged by triboelectricity Consequently the toner is transferred to the surface of the exposed OPC drum by the potential difference between the developing roller a...

Page 193: ...remains The cleaning is the stage that cleans the remain toner after the transcription stage The remain toner on the drum and the toner which was attached to the place where the laser beam didn t scan are gathered to the developing roller to be used again After paper jam or replacing toner and drum cartridge the transfer roller is plus charged to eliminate the plus charged toner Cleaning Part ...

Page 194: ...eat roller is rosined by Teflon and lubri cated to prevent from attaching the toners The press roller is made of silicon and its spring compresses the melted toner Fixing Part The fixing part becomes high temperature so the thermistor and the two thermostats are provided 1 Thermistor The thermistor touches the heat roller and check the temperature to feed back to the control circuit The surface te...

Page 195: ...195 KX MB2085CXW KX MB2090CXW 15 4 Terminal Guide of The ICs Transistors and Diodes 15 4 1 Main Board ...

Page 196: ...196 KX MB2085CXW KX MB2090CXW 15 4 2 Operation Board 15 4 3 High Voltage Power Supply Board 15 4 4 Low Voltage Power Supply Board ...

Page 197: ...B foil Flux Recommended Flux Specific Gravity 0 82 Type RMA lower residue non cleaning type Note See About Lead Free Solder PbF Pb free P 7 15 5 2 Flat Package IC Removal Procedure 1 Put plenty of solder on the IC pins so that the pins can be completely covered Note If the IC pins are not soldered enough you may give pressure to the P C board when cutting the pins with a cutter 2 Make a few cuts i...

Page 198: ...curacy of the IC setting with the corresponding soldering foil 2 Apply flux to all pins of the FLAT PACKAGE IC 3 Solder the pins sliding the soldering iron in the direction of the arrow 15 5 4 Bridge Modification Procedure 1 Lightly resolder the bridged portion 2 Remove the remaining solder along the pins using a soldering iron as shown in the figure below ...

Page 199: ...t various tests are applied and any mal functions are analyzed In past experiences digital IC especially DRAM and ROM malfunctions are extremely rare after installation in the product This may be repaired by replacing the IC DRAM etc However the real cause may not have been an IC malfunction but a sol dering fault instead Soldering faults difficult to detect with the naked eye are common particula...

Page 200: ...200 KX MB2085CXW KX MB2090CXW 15 6 1 NG Example ...

Page 201: ...201 KX MB2085CXW KX MB2090CXW 15 7 Test Chart 15 7 1 ITU T No 1 Test Chart ...

Page 202: ...202 KX MB2085CXW KX MB2090CXW 15 7 2 ITU T No 2 Test Chart ...

Page 203: ...matic Diagram 16 1 For Schematic Diagram Note 1 DC voltage measurements are taken with an oscilloscope or a tester with a ground 2 The schematic diagrams and circuit board may be modified at any time with the development of new technology ...

Page 204: ...E4 RXD1 AD5 MDIO AE5 MDC B11 CCDSH B12 CCDRS A12 CCDCP A11 CCDCLK B15 AFEVSMP C15 AFERSMP A15 AFEMCLK D14 AFEADC0 C14 AFEADC1 D13 AFEADC2 C13 AFEADC3 B14 AFEADC4 A14 AFEADC5 B13 AFEADC6 A13 AFEADC7 A16 AFESIFCLK B16 AFESIFEN A17 AFESIFDIN B17 AFESIFDOUT C12 OEB D12 CCDON D16 LEDONR C17 LEDONG C16 LEDONB AF13 USBDP1 AE13 USBDM1 AE11 USBVBUS1 AF11 USBRES1 AE14 USBSEL1 AC12 USB1_AVDD25 AF14 USB1_AVDD...

Page 205: ...11 J15p C317 NC C318 NC L303 15AG601 L302 15AG601 C316 D10p R367 150 R368 150 R369 150 IC300 B2 VSS1 C3 VSS2 D4 VSS3 E4 VSS4 L4 VSS5 M4 VSS6 U4 VSS7 Y4 VSS8 AE2 VSS9 AD3 VSS10 AC4 VSS11 AC5 VSS12 D23 VSS13 C24 VSS14 B25 VSS15 AB23 VSS16 AC23 VSS17 AD24 VSS18 AE25 VSS19 L11 VSS20 L12 VSS21 L13 VSS22 L14 VSS23 L15 VSS24 L16 VSS25 M11 VSS26 M12 VSS27 M13 VSS28 M14 VSS29 M15 VSS30 M16 VSS31 N11 VSS32 ...

Page 206: ... FANON 6 FANDET 7 PICK 8 TNR 9 PTOP 10 RESIST R515 56k 3 3V R523 NC D500 Q611 DRC9143E0L Q507 Q508 Q509 Q502 LVIN CN506 B3B PH K S LF SN 1 GND 2 DET 3 FANON R426 4 7k 3216 24V R428 39 1 2W R427 47k R442 47k R441 4 7k 3216 24V S3 3V S3 3V R543 NC C427 100u 35V C428 100u 35V R443 39 1 2W Q422 Q424 R545 0 R522 3 3 1608 Q511 Q512 Q513 Q530 F601 2A CN505 292161 8 1 CVR 2 HVERR 3 TRS 4 DEV 5 CHG 6 GND 7...

Page 207: ...2 4 NC2 5 RCSB 6 NC3 7 BOUT1 8 NC4 9 AOUT2 10 NC5 11 RCSA 12 NC6 13 AOUT1 14 NC7 15 VM2 17 BC2 18 BC1 19 VREFA 20 VREFB 21 S5VOUT 22 STBY 23 GND 24 PWMSW 25 PHA1 26 PHB1 27 IN0 28 IN1 29 IN2 30 IN3 31 ENABLEA 16 VPUMP 32 TJMON PWRDWN2 5B 7B 1 1F Q700 C707 K1000p C705 K1000p CRM1 7B 1 1E CRM3 7B 1 1E C706 K1000p R700 10k 3 3V CRM4 7B 1 1E C701 K0 01u 1608 CRM2 7B 1 1E R702 F0 39 3216 R703 F0 39 321...

Page 208: ...PLL 21 CLKOUT 22 VND2 23 GPIO4 24 GPIO5 26 N C 27 TYPE 28 SckMode 29 SDIN 30 GPIO6 31 GPIO7 32 SDOUT 33 GND 16 VNA 25 VPD2 DG C275 K0 1u R285 22 R286 22 DG BBITCLK 1 1A BSPCLK 1 1A BRXD 1 1A BTXD 1 1A AFECLK 1 1B 4D AFECLK 1 1B 1E C114 NC R124 NC J112 NC J108 W5NL5T Q209 R291 560k C280 J100p DG 5VA C219 50V 4 7u R276 33k FAX_RX 1 1D CID_RX 1 1D R288 0 F_MUTE 1 1E R225 1M DG R237 12k R231 12k R280 ...

Page 209: ...J100p C227 K3900p DG R213 1k IC204 1 CD 2 FC2 3 FC1 4 VIN 5 VO1 6 VCC 7 GND 8 VO2 C247 K3900p HSSPMUTE 1 1E Q152 5VA C252 K3900p C157 NC R220 1 8k R153 330 R249 12k DG DG R242 120k R215 NC R161 4 7k L157 68 R239 680 R160 5 6k DG 3 3V C152 K4700p 12V DG C238 K1u R210 1 8k C158 K1000p C233 K0 01u DG L202 15BD102 L209 15BD102 RLY100 1 2 3 4 5 D105 D106 D200 C224 K0 22u C283 K0 22u Q150 L201 18EG601 L...

Page 210: ...E4 RXD1 AD5 MDIO AE5 MDC B11 CCDSH B12 CCDRS A12 CCDCP A11 CCDCLK B15 AFEVSMP C15 AFERSMP A15 AFEMCLK D14 AFEADC0 C14 AFEADC1 D13 AFEADC2 C13 AFEADC3 B14 AFEADC4 A14 AFEADC5 B13 AFEADC6 A13 AFEADC7 A16 AFESIFCLK B16 AFESIFEN A17 AFESIFDIN B17 AFESIFDOUT C12 OEB D12 CCDON D16 LEDONR C17 LEDONG C16 LEDONB AF13 USBDP1 AE13 USBDM1 AE11 USBVBUS1 AF11 USBRES1 AE14 USBSEL1 AC12 USB1_AVDD25 AF14 USB1_AVDD...

Page 211: ...368 150 R369 150 IC300 B2 VSS1 C3 VSS2 D4 VSS3 E4 VSS4 L4 VSS5 M4 VSS6 U4 VSS7 Y4 VSS8 AE2 VSS9 AD3 VSS10 AC4 VSS11 AC5 VSS12 D23 VSS13 C24 VSS14 B25 VSS15 AB23 VSS16 AC23 VSS17 AD24 VSS18 AE25 VSS19 L11 VSS20 L12 VSS21 L13 VSS22 L14 VSS23 L15 VSS24 L16 VSS25 M11 VSS26 M12 VSS27 M13 VSS28 M14 VSS29 M15 VSS30 M16 VSS31 N11 VSS32 N12 VSS33 F4 VDD12_1 D6 VDD12_2 D10 VDD12_3 D15 VDD12_4 D22 VDD12_5 E2...

Page 212: ...GND 5 FANON 6 FANDET 7 PICK 8 TNR 9 PTOP 10 RESIST R515 56k 3 3V R523 NC D500 Q611 Q507 Q508 Q509 Q502 LVIN CN506 B3B PH K S LF SN 1 GND 2 DET 3 FANON R426 4 7k 3216 24V R428 39 1 2W R427 47k R442 47k R441 4 7k 3216 24V S3 3V S3 3V R543 NC C427 100u 35V C428 100u 35V R443 39 1 2W Q422 Q424 R545 0 R522 3 3 1608 Q511 Q512 Q513 Q530 F601 2A CN505 292161 8 1 CVR 2 HVERR 3 TRS 4 DEV 5 CHG 6 GND 7 8 24V...

Page 213: ...UT1 14 NC7 15 VM2 17 BC2 18 BC1 19 VREFA 20 VREFB 21 S5VOUT 22 STBY 23 GND 24 PWMSW 25 PHA1 26 PHB1 27 IN0 28 IN1 29 IN2 30 IN3 31 ENABLEA 16 VPUMP 32 TJMON PWRDWN2 5B 7B 1 1F Q700 C707 K1000p C705 K1000p CRM1 7B 1 1E CRM3 7B 1 1E C706 K1000p R700 10k 3 3V CRM4 7B 1 1E C701 K0 01u 1608 CRM2 7B 1 1E R702 F0 39 3216 R703 F0 39 3216 R704 NC Q421 Q600 R611 10k R601 F1 6k R604 F470 R603 470k R612 22k F...

Page 214: ...PLL 21 CLKOUT 22 VND2 23 GPIO4 24 GPIO5 26 N C 27 TYPE 28 SckMode 29 SDIN 30 GPIO6 31 GPIO7 32 SDOUT 33 GND 16 VNA 25 VPD2 DG C275 K0 1u R285 22 R286 22 DG BBITCLK 1 1A BSPCLK 1 1A BRXD 1 1A BTXD 1 1A AFECLK 1 1B 4D AFECLK 1 1B 1E C114 NC R124 NC J112 NC J108 W5NL5T Q209 R291 560k C280 J100p DG 5VA C219 50V 4 7u R276 33k FAX_RX 1 1D CID_RX 1 1D R288 0 F_MUTE 1 1E R225 1M DG R237 12k R231 12k R280 ...

Page 215: ...100p C227 K3900p DG R213 1k IC204 1 CD 2 FC2 3 FC1 4 VIN 5 VO1 6 VCC 7 GND 8 VO2 C247 K3900p HSSPMUTE 1 1E Q152 5VA C252 K3900p C157 NC R220 1 8k R153 330 R249 12k DG DG R242 120k R215 NC R161 4 7k L157 68 R239 680 R160 5 6k DG 3 3V C152 K4700p 12V DG C238 K1u R210 1 8k C158 K1000p C233 K0 01u DG L202 15BD102 L209 15BD102 RLY100 1 2 3 4 5 D105 D106 D200 C224 K0 22u C283 K0 22u Q150 L201 18EG601 L2...

Page 216: ...NC R10 NC DG AE199AE1 WIRE2AP1 Q4 CN1 1 VLCDIN 2 VB1 3 VB1 4 VB0 5 VB0 6 VSS 7 VDD 8 SI 9 SCL 10 CD 11 RST 12 CS0 C10 K2 2u WIRE1AP1 R9 4 7k 3 3V 3 3V 5V 3 3V Q3 BL_LED R6 150 DG BL_LED Q2 3 3V 3 3V C4 NC C7 J150p R2 100 R3 100 R4 100 R1 150 C18 NC C19 NC C1 K0 1u C2 K0 1u C3 K0 1u SW19 COPY SW31 1 SW32 8 SW6 START SW22 AUTO ANSWER SW12 MENU SW5 COPY SIZE SW10 S1 SW18 SCAN SW2 FLASH SW24 S2 SW8 ST...

Page 217: ...XA 4 XB CN61 5 CNT CN61 1 SIG CN61 11 R CN61 6 SI NC C62 CN61 2 DG CN61 12 B Z0 1u C65 CN61 7 DG CN61 3 3 3V L54 CN59 1 SIG 2 DG 3 3 3V 4 VREF 5 DG 6 SI 7 DG 8 CLK 9 VLED 10 G 11 R 12 B 13 CISHOME CN61 8 CLK NC C63 Z0 1u C64 CN60 1 A 2 B 3 XA 4 XB CN61 9 VLED CN68 1 2 3 CN61 4 VREF J54 J53 K1000p C61 K1000p C50 K1000p C51 NC NC R56 Z0 1u C57 J62 ADF REGIST PTOP HS SP PICKUP FAN2 Fuser TNR Varistor...

Page 218: ...0 D31 D80 D78 D79 D77 R41 R32 R31 C31 R34 R64 R70 C61 C64 D67 D66 D63 R47 R55 R46 R44 R45 R85 R83 R84 R82 R88 R89 R87 D20 R86 D19 R81 R28 D17 D18 C12 D7 D8 C7 C8 C10 D21 D6 R8 R20 R6 R16 R7 C11 C2 D4 R27 R5 R15 R3 D9 R9 R1 D1 C1 D2 C3 R29 D13 D10 D12 D15 D16 D14 R75 8 1 5 7 6 2 4 3 JUMPER 10mm JUMPER 10mm DEV OPC CHG T1 B1 Grid 3 2 4 1 11 value IC1 blue 5 2 2 4 3 3 6 8 9 7 10 1 5 2 4 3 6 8 9 7 10 ...

Page 219: ...0CX LOW VOLTAGE POWER SUPPLY BOARD F7003 F7001 F7005 D7001 D7002 D7003 D7004 D7012 D7011 Q7001 Q7002 C7002 U7001 Approx 15V 0V 0V Approx 29V Approx 120V 0V Approx 70V Approx 18V 0V Approx 9V Approx 41V Approx 7 2V 0V Approx 24V 0V Approx 340V 0V 0V Approx 340V Approx 130V 0V Approx 480V ...

Page 220: ...C479 D803 Q518 IC400 C480 C481 C482 C483 Q520 C484 C485 C487 C488 C489 Q527 Q528 C490 C493 C494 C495 C496 C498 IC800 C499 IC801 Q150 Q152 L344 L345 L346 L347 L348 R108 L349 R109 L156 M TCK R304 R110 R111 R305 R112 R307 POS100 R115 R116 L357 R117 R500 M TDI R501 R502 R503 R505 R506 M TDO R507 L360 R508 LED750 L361 R509 R122 R123 L363 R124 L364 R125 R701 R126 R510 R704 L750 L369 R512 L752 R513 L753 ...

Page 221: ...26 FCTB R327 R328 R329 UR3TXD R330 R331 R332 R333 R334 R528 R335 R529 R338 R339 C300 R530 C301 R531 C302 C303 C304 R340 C305 R341 C307 R343 C308 R344 C309 R345 R346 C502 TMS R541 C312 C506 R542 R543 R544 RA404 R351 RA405 R352 R546 RA406 R353 R547 R354 C319 R355 C702 C705 C706 C707 C320 R550 C708 C321 RA411 C322 RA412 C323 RA413 C324 C518 R554 RA414 R360 C325 R361 R556 C326 R362 C327 R363 C328 R364...

Page 222: ... 5 J 6 J7 J 8 J9 J10 J11 J12 J13 J14 J15 J 1 6 J17 J18 J20 1 2 3 4 5 6 7 8 9 0 Start Stop Menu Set LOWER S3 MONITOR LAYOUT REDIAL S2 S1 FLASH RESOLUTION CONTRAST A u t o A n s w e r FAX COPY SCAN ZOOM SIZE PNLB2258ZA RC 2013 08 26 L E D 2 Yellow Green B L _ L E D B L _ L E D 1 1 1 1 2 2 2 2 3 3 3 3 4 4 4 E E E 1 1 1 2 1 2 1 8 C 1 C 2 C 3 C 4 C 5 C 6 C 7 C 8 1 2 3 4 5 6 7 8 9 A B C D E F G H I T H ...

Page 223: ...CH CN64 PbF PbF PNLB1144Z AU A PNLB1144Z AU A TNR TNR KX MB2085CXW KX MB2090CXW TONER SENSOR BOARD 3 1 4 1 C61 R54 94V 0 1 3 4 1 94V 0 PCB CH CN52 CN53 PS50 PbF PbF PNLB1144Z AU A PNLB1144Z AU A FUSER FUSER KX MB2085CXW KX MB2090CXW FUSER SENSOR BOARD 1 5 1 3 94V 0 5 1 1 3 J50 94V 0 CN63 CN51 PCB CH SW50 PbF PbF PNLB1144Z AU A PNLB1144Z AU A PICK PICK KX MB2085CXW KX MB2090CXW PICK UP SENSOR BOARD...

Page 224: ...G KX MB2085CXW KX MB2090CXW REGISTRATION SENSOR BOARD 94V 0 Green Green Black ZNR50 J51 J52 94V 0 PCB CH PbF PbF PNLB1144Z AU A PNLB1144Z AU A VARI VARI KX MB2085CXW KX MB2090CXW VARISTOR SENSOR BOARD 3 1 4 1 1 4 2 1 11 12 1 13 C62 R55 C64 C65 L54 FB C63 R56 94V 0 1 3 4 1 1 4 2 1 11 12 1 13 J53 J54 94V 0 J62 CN59 CN68 CN60 CN62 PCB CH CN61 PbF PbF PNLB1144Z AU A PNLB1144Z AU A FB KX MB2085CXW KX M...

Page 225: ...NT VIEW D20 C62 C61 D63 R66 R8 R71 R70 R10 R17 J209 J208 D73 T61 B61 R107 R108 J201 D66 D67 D65 D69 D70 R68 D72 C67 Q62 C64 R74 R72 D61 J112 J111 J205 J203 J202 R1 R64 J207 R42 R43 R26 C8 D11 R24 R23 IC1 C11 R6 R7 R41 R36 R35 R34 C10 R21 J211 J213 J212 J210 J206 VR1 J214 D6 R11 J103 J104 R14 D31 R49 R48 D5 R18 R25 D7 D13 R12 R95 R47 R45 R55 R87 R46 R44 R89 R88 R85 R86 R83 R84 R82 R81 C2 D4 C12 C4 ...

Page 226: ... Supply Board 17 5 1 LOW VOLTAGE POWER SUPPLY BOARD COMPONENT VIEW 17 5 2 LOW VOLTAGE POWER SUPPLY BOARD BOTTOM VIEW KX MB2085CX KX MB2090CX LOW VOLTAGE POWER SUPPLY BOARD COMPONENT VIEW KX MB2085CX KX MB2090CX LOW VOLTAGE POWER SUPPLY BOARD BOTTOM VIEW ...

Page 227: ... MB2090CXW 18 Exploded View and Replacement Parts List 18 1 Cabinet Mechanical and Electrical Parts Location 18 1 1 Operation Panel Section This pictured model is KX MB2090 15 16 6 7 10 9 11 12 13 PCB2 A 14 4 5 17 8 1 2 3 ...

Page 228: ... 38 31 37 40 35 34 36 39 39 59 52 46 42 44 43 45 55 45 47 48 50 54 49 51 57 58 56 Gear Section 53 32 71 67 66 72 77 78 70 70 42 42 74 68 68 75 76 65 64 79 73 69 63 62 60 61 91 90 89 89 83 82 81 88 87 87 86 86 84 84 85 30 93 80 PCB9 A A A A A A A A 94 95 96 ...

Page 229: ...229 KX MB2085CXW KX MB2090CXW 18 1 3 ADF Gear Section 119 118 113 117 116 114 115 112 110 111 A J F ...

Page 230: ...on Panel Section 179 168 161 162 160 160 180 163 163 159 165 166 164 PCB8 A A A A A C A K Length Approx 881 mm Peel off old tape and stick new double faced tape by each length Parts No 177 Application of double faced tape Cut in approx 230 mm Approx 295 mm Cut in approx 295 mm Approx 230 mm 177 Double faced tape 2 Double faced tape 1 Be sure the length of the cut tapes are correct Double faced tap...

Page 231: ...231 KX MB2085CXW KX MB2090CXW 18 1 5 Main Cabinet Section 208 206 207 209 205 210 211 219 212 213 214 215 217 Fuser Section 203 204 216 199 197 200 198 198 196 195 194 192 191 193 190 201 202 218 A I ...

Page 232: ...ction 240 241 253 248 247 247 249 250 254 251 251 252 256 257 259 255 258 242 243 244 245 238 238 239 236 235 237 234 233 231 230 PCB4 C E H H E E 260 260 is the completed Fuser Unit 232 are 2 rollers please replace both at the same time 232 232 a ...

Page 233: ...2 304 303 309 310 PCB12 285 281 280 282 284 316 315 312 314 313 311 318 317 317 286 288 289 287 283 PCB3 293 290 PCB7 295 296 PCB13 294 297 298 PCB5 299 SW50 PCB6 300 A A A A A A A A A A B A A 291 291 292 321 319 319 is a kit parts No of these parts please replace both at the same time ...

Page 234: ...234 KX MB2085CXW KX MB2090CXW 18 1 8 Separation DFP Roller Section 339 334 335 337 336 338 346 330 331 332 333 345 342 343 340 340 is a kit parts No of these parts please replace both at the same time ...

Page 235: ...B2085CXW KX MB2090CXW 18 1 9 Side Cabinet Section 365 368 363 370 371 372 373 375 374 374 377 368 369 360 361 364 PCB10 367 363 PCB1 368 362 Motor Section G A D D C B B C 376 B This pictured model is KX MB2090 ...

Page 236: ...236 KX MB2085CXW KX MB2090CXW 18 1 10 Motor Section 395 396 397 393 391 392 394 390 390 390 415 416 419 418 415 416 417 414 398 413 406 407 405 410 404 403 408 412 409 411 C B B C ...

Page 237: ...237 KX MB2085CXW KX MB2090CXW 18 1 11 Bottom Cabinet Section 2 449 445 440 446 446 450 442 441 443 444 447 448 451 A A A A A D L B B This pictured model is KX MB2090 ...

Page 238: ...238 KX MB2085CXW KX MB2090CXW 18 1 12 Output Tray Section 477 472 481 475 476 478 479 482 482 480 474 471 470 473 This pictured model is KX MB2090 ...

Page 239: ... MB2090CXW 18 1 13 Actual Size of Screws and Washer A Illustration L B E K I D C J XTW3 10PFJ7 XTW3 6LFJ7 XTW3 W10PFJ XTW3 12PFJ7 XYC3 FF8FJ XYN3 C6FJ XTW3 20PFJ XSB4 6FJ XTW3 5LFJK7 G XTB3 10GFJ F XYC3 CF5FJ H XTB3 12JFJ ...

Page 240: ...240 KX MB2085CXW KX MB2090CXW 18 1 14 Accessories and Packing Materials A4 A5 A6 A7 A3 P7 P5 P4 P2 P1 P3 P6 A2 P7 P8 DRAM UNIT TONER CARTRIDGE A9 A12 A1 A14 A8 A10 P9 A11 A13 A15 P10 ...

Page 241: ...PANEL for KX MG2090CXW 14 PNGP1314Z1 LCD PANEL for KX MG2085CXW 15 PNGG1352Z1 OPERATION PANEL for KX MB2090CXW PS HB 15 PNGG1356Z1 OPERATION PANEL for KX MB2085CXW 16 PNGP1288Z LCD cover PC 17 L5DYBYY00054 LIQUID CRYSTAL DISPLAY Safety Ref No Part No Part Name Description Remarks 30 PFKV1167Z1 COVER PS HB 31 PFKR1110Z1 GUIDE ABS HB 32 PFHX2126Z PLASTIC PARTS 33 PFHG1282Z RUBBER PARTS 34 PFDE1307Z ...

Page 242: ...168 PNKV1059Z2 COVER PS HB 169 PNKM1110V2 CABINET BODY PS HB 170 PF0G1016Z GLASS TRANSPARENTPLATE 171 PF0G1017Z GLASS TRANSPARENTPLATE 172 PFMH1256Z ANGLE Safety Ref No Part No Part Name Description Remarks 173 PNHX1293Z PLASTIC PARTS 174 PFUS1820Z TORSION SPRING 175 PFKF1205Y1 CABINET COVER PS HB 176 PNZX2030RUVW SCANNER GLASS ASS Y 177 ZT2512 08 TAPE 178 PFDG1015Y GEAR 179 PNHP1024Y LABEL 180 PN...

Page 243: ...RING 311 PNUS1114Z TORSION SPRING 312 PFDG1418Z GEAR 313 PNHX1252Y PLASTIC PARTS 314 PFDE1300Z LEVER 315 PFDJ1084X SPACER 316 PNUG1018Z GUIDE PS V0 317 PNDR1019Z ROLLER POM HB 318 PFDJ1084Z SPACER 319 PNZR2B2030RU PICKUP ROLLER ASS Y Safety Ref No Part No Part Name Description Remarks 320 NOT USED 321 PNHS1196Z FELT PARTS Safety Ref No Part No Part Name Description Remarks 330 PNHR1235Z PLASTIC PA...

Page 244: ... SCREW WITH WASHER STEEL L XSB4 6FJ SMALL SCREW STEEL Safety Ref No Part No Part Name Description Remarks Safety Ref No Part No Part Name Description Remarks A1 PNJA1094Z POWER CORD A2 PNQW3836Z LEAFLET A3 PNYE1094Z2 ASSY STACKER TRAY PS HB A4 PNJKMB2090Z MEMORY PARTS A5 PNQW3833Z LEAFLET A6 PNQW3832Z LEAFLET A7 PNQW3831Z LEAFLET A8 PNJA1052Z CORD USB A9 PFJA02B002Y CORD TELEPHONE A10 PFYE1043Z HA...

Page 245: ...5 10p C221 ECUE1A104KBQ 0 1 S C222 F1H1H104A220 0 1 C223 F1H1C104A107 0 1 C224 F1G0J2240003 0 22 C227 ECJ0EB1H392K 0 0039 C228 F1G1H101A557 100p C229 F1G1H101A557 100p Safety Ref No Part No Part Name Description Remarks C232 F1H1C104A107 0 1 C233 ECUE1C103KBQ 0 01 C235 ECUE1A104KBQ 0 1 S C236 F1J0J2260004 22 C237 F1H1A225A025 2 2 C238 ECJ0EB0J105K 1 C239 ECUE1H821KBQ 820p C240 F1J0J2260004 22 C241...

Page 246: ...J0EB1H102K 0 001 C518 F1H1H104A220 0 1 Safety Ref No Part No Part Name Description Remarks C531 F1J1A106A043 10 C533 ECUE1A104KBQ 0 1 S C534 ECUE1A104KBQ 0 1 S C535 ECJ0EB1H102K 0 001 C536 ECUE1A104KBQ 0 1 S C537 ECUE1A104KBQ 0 1 S C538 ECJ0EB0J105K 1 C539 ECJ0EB1H102K 0 001 C540 ECUE1A104KBQ 0 1 S C541 ECJ0EB1H102K 0 001 C543 ECUE1A104KBQ 0 1 S C544 ECUE1C103KBQ 0 01 C545 ECJ0EB0J105K 1 C546 ECUE...

Page 247: ...MISTOR S RESISTORS R109 ERDS1TJ473 47k S R117 ERG1SJ151E 150 R123 ERG1SJ221E 220 R125 ERDS1TJ223 22k S R150 D0GA822JA021 8 2k R152 D0GA392JA015 3 9k R153 ERJ2GEYJ331 330 S R154 ERJ2GEJ473 47k R155 ERJ2GEJ105X 1m R160 ERJ2GEJ562X 5 6k R161 ERJ2GEJ472X 4 7k Safety Ref No Part No Part Name Description Remarks R203 ERJ2GEJ104 100k R204 ERJ2GEYJ683 68k S R206 D0GA393JA021 39k R207 ERJ2GEJ823 82k R209 E...

Page 248: ... R428 ERJ12YJ390H 39 S R430 ERJ2RKF1503 150k Safety Ref No Part No Part Name Description Remarks R432 ERJ2GEJ563 56k R433 ERJ2GEJ562X 5 6k R441 PQ4R18XJ472 4 7k S R442 ERJ2GEJ473 47k R443 ERJ12YJ390H 39 S R495 ERJ3GEY0R00 0 R496 ERJ3GEY0R00 0 R497 ERJ3GEY0R00 0 R498 ERJ3GEY0R00 0 R500 ERJ2GEJ102 1k R502 ERJ2GEJ563 56k R503 ERJ2RKF3301 3 3k R504 ERJ2GEJ473 47k R505 ERJ2RKF6801 6 8k R506 D0GA223JA01...

Page 249: ...24V223JX RESISTOR ARRAY RELAY Safety Ref No Part No Part Name Description Remarks RLY100 K6B1CYY00005 RELAY VARISTORS SA100 PFRZRA311P6T VARISTOR SURGE ABSORBER S SA102 PFRZRA102P6T VARISTOR SURGE ABSORBER S TRANSFORMER T100 G4AYB0000006 TRANSFORMER CRYSTAL OSCILLATOR X300 H0J240500074 CRYSTAL OSCILLATOR X301 H0J245500124 CRYSTAL OSCILLATOR X302 H0J260500022 CRYSTAL OSCILLATOR X303 H0A327200186 CR...

Page 250: ...100p C250 F1G1H101A557 100p C252 ECJ0EB1H392K 0 0039 C253 ECUE1H821KBQ 820p C254 F1J0J2260004 22 Safety Ref No Part No Part Name Description Remarks C256 ECUE1C103KBQ 0 01 C258 F1J0J2260004 22 C270 ECUE1A104KBQ 0 1 S C273 ECUE1A104KBQ 0 1 S C275 ECUE1A104KBQ 0 1 S C278 ECUE1A104KBQ 0 1 S C279 ECUE1A104KBQ 0 1 S C280 F1G1H101A557 100p C281 ECUE1A104KBQ 0 1 S C282 F1G1A2240008 0 22 C283 F1G0J2240003...

Page 251: ...102K 0 001 C552 F1H1H104A220 0 1 Safety Ref No Part No Part Name Description Remarks C553 ECJ0EB1H102K 0 001 C554 ECJ0EB1H102K 0 001 C556 F1G1H151A541 150p C565 ECJ0EB1A473K 0 047 C569 ECJ0EB1A473K 0 047 C571 ECUE1A104KBQ 0 1 S C572 ECJ0EB0J105K 1 C600 ECJ0EB0J105K 1 C601 ECJ0EB0J105K 1 C602 ECUE1A104KBQ 0 1 S C603 ECUX1H103KBV 0 01 S C604 ECUX1H103KBV 0 01 S C605 F2G1V4700028 47 C606 F1H1H104A220...

Page 252: ...TRANS DUCER THERMISTOR POS100 PFRT002 THERMISTOR S RESISTORS R109 ERDS1TJ473 47k S R117 ERG1SJ151E 150 R123 ERG1SJ221E 220 R125 ERDS1TJ223 22k S R150 D0GA822JA021 8 2k R152 D0GA392JA015 3 9k R153 ERJ2GEYJ331 330 S R154 ERJ2GEJ473 47k R155 ERJ2GEJ105X 1m Safety Ref No Part No Part Name Description Remarks R160 ERJ2GEJ562X 5 6k R161 ERJ2GEJ472X 4 7k R203 ERJ2GEJ104 100k R204 ERJ2GEYJ683 68k S R206 D...

Page 253: ...6k R433 ERJ2GEJ562X 5 6k R441 PQ4R18XJ472 4 7k S Safety Ref No Part No Part Name Description Remarks R442 ERJ2GEJ473 47k R443 ERJ12YJ390H 39 S R495 ERJ3GEY0R00 0 R496 ERJ3GEY0R00 0 R497 ERJ3GEY0R00 0 R498 ERJ3GEY0R00 0 R500 ERJ2GEJ102 1k R502 ERJ2GEJ563 56k R503 ERJ2RKF3301 3 3k R504 ERJ2GEJ473 47k R505 ERJ2RKF6801 6 8k R506 D0GA223JA015 22k R507 ERJ2GEJ102 1k R508 ERJ2GEJ473 47k R509 ERJ2GEJ102 1...

Page 254: ...SISTOR ARRAY RA409 EXB28V470JX RESISTOR ARRAY RA410 EXB24V470JX RESISTOR ARRAY RA411 EXB28V470JX RESISTOR ARRAY RA412 EXB28V470JX RESISTOR ARRAY Safety Ref No Part No Part Name Description Remarks RA413 EXB28V470JX RESISTOR ARRAY RA414 EXB28V470JX RESISTOR ARRAY RA500 EXB24V223JX RESISTOR ARRAY RA501 EXB24V562JX RESISTOR ARRAY RA502 EXB24V101JX RESISTOR ARRAY RA700 EXB24V562JX RESISTOR ARRAY RA701...

Page 255: ...RD ASS Y RTL CAPACITOR C57 ECUV1C104ZFV 0 1 CONNECTORS CN64 K1KA10A00412 CONNECTOR 10PIN CN65 K1KA04A00527 CONNECTOR 4PIN CN66 K1KA04A00527 CONNECTOR 4PIN CN67 K1KA05A00364 CONNECTOR 5PIN PHOTO ELECTRIC TRANS DUCER IC51 B4ZZ00000021 PHOTO ELECTRIC TRANS DUCER Safety Ref No Part No Part Name Description Remarks Safety Ref No Part No Part Name Description Remarks PCB4 PNLP2209RU B FUSER BOARD ASS Y ...

Page 256: ...EY0R00 0 S L51 ERJ3GEY0R00 0 S Safety Ref No Part No Part Name Description Remarks PCB11 PNLPB257JTB BACK LIGHT BOARD ASS Y RTL DIODE LED99 B3AFB0000370 DIODE SI Safety Ref No Part No Part Name Description Remarks PCB12 N0GG4E000006 HIGH VOLTAGE POWER BOARD ASS Y RTL IC IC1 PH1193AC001 IC TRANSISTORS Q3 PT2394DL001 TRANSISTOR SI Q62 PT2394DL001 TRANSISTOR SI FUSE F1 PK7130AA001 FUSE SWITCHE SW1 PF...

Page 257: ...Information The extract from an Operating Instructions ...

Page 258: ...on R To erase a character number MFAXN R To switch to the fax mode page 19 39 MZOOMN R To enlarge or reduce a document when copying page 34 MQUICK SCANN R To store a scanned document into memory and then send it page 40 MCOPY SIZEN R To select the copy size page 33 MPHONEBOOKN R To search for a stored item page 41 R To initiate the phonebook page 40 43 MFAX AUTO ANSWERN R To turn the auto answer s...

Page 259: ...ance Paper input tray Recording paper exit Document exit Speaker Handset unit connection jack 1 4 2 Rear view A E G D F H C B Recording paper guides LED KX MB2090 only LAN interface connector KX MB2090 only R 10Base T 100Base TX Power inlet Manual input tray Rear cover External telephone jack Telephone line jack USB interface connector 9 1 Introduction and Installation ...

Page 260: ...the printing quality R We cannot be responsible for any damage to the unit or degradation of print quality which may occur from the use of a non Panasonic toner and drum cartridges R Do not add toner to the toner cartridge 1 Before opening the protective bag of the new toner cartridge shake it vertically more than 5 times 2 Remove the toner cartridge and drum cartridge from the protective bags Pee...

Page 261: ... a key to standby the unit for the next process H J I I Note R Do not touch the transfer roller J R If the lower glass K is dirty clean it with a soft and dry cloth K 7 Install the drum and toner cartridge L by holding the tabs L R Make sure that the arrows M match to install the drum and toner cartridge correctly M 11 1 Introduction and Installation ...

Page 262: ...t list page 109 and refer to page 111 for information on the drum life If the printing quality is still poor or DRUM LIFE OVER appears on the display replace the toner cartridge and drum cartridge R To maintain print quality and machine life we recommend that you clean slots and openings page 4 and the inside of the unit page 105 108 when replacing the toner cartridge and or drum cartridge Note R ...

Page 263: ...pproximately 100 sheets of printed paper the number of sheets may vary depending on the usage environment Remove the printed paper before the output tray becomes full If the top part of the extender is detached 1 With the top part of the extender in the open position insert the tab A into the left hole B of the extender B A 2 Slide the other tab C into the right hole D of the extender from below u...

Page 264: ...rch or emit dangerous fumes near 200 C such as vellum paper These materials may transfer onto the fusing roller and cause damage Moist paper Inkjet paper R Some paper is designed to be printed on only one side Try printing on the other side of the paper if you are not happy with the print quality or if misfeeding occurs R For proper paper feeding and best print quality we recommend using long grai...

Page 265: ...aper input tray R Do not drop the paper input tray R Hold the paper input tray with both hands when removing or installing The paper input tray weighs approximately 2 kg when fully loaded with recording paper Approx 2 kg 1 7 1 Manual input tray You can use the manual input tray for printing with the computer and for copying When printing or copying multiple sheets add the next sheet after the firs...

Page 266: ...ies when making a copy set the copy input tray setting to 2 beforehand feature 460 on page 66 If these settings are not changed when printing or copying multiple pages the 1st page will be printed from the manual input tray but the rest of the pages will be printed from the paper input tray R If the paper is not inserted correctly re adjust the paper or the paper may jam 16 1 Introduction and Inst...

Page 267: ...t supplied 2 R To assure continued emission limit compliance use only shielded LAN cable Category 5 Cat 5 Ethernet cable 1 The power cord may differ slightly Use the appropriate power cord for where you use the unit 2 KX MB2090 only IMPORTANT NOTICE FOR THE USB CONNECTION R DO NOT CONNECT THE UNIT TO A COMPUTER WITH THE USB CABLE UNTIL PROMPTED TO DO SO DURING THE SETUP OF MULTI FUNCTION STATION p...

Page 268: ...The total height of the documents when laid flat must be less than 4 mm If the documents exceed the capacity of the automatic document feeder they may fall or cause a jam in the feeder R To set a document with a width of less than 210 mm we recommend using the scanner glass to copy the original document onto A4 or letter size paper then setting the copied document for better results R Do not set d...

Page 269: ...hour clock format 1 M1NM0N M1NM5N 2 Press MGN repeatedly to select PM Press MGN repeatedly to select AM or PM or 24 hour time entry 4 MSETN 5 Press MMENUN to exit Note R To check the current date and time setting press MFAXN to temporarily change the unit to the fax mode R Your unit s date and time will be used as the header information for the following When sending as an attached file to an emai...

Page 270: ...ion R To erase all characters press and hold MSTOPN 2 9 Your fax number You can program your fax number so that it appears on the top of each page sent MSTOPN MMENUN MFNMEN MSETN MFLASHN 1 MMENUN A MBNM1NM0NM3N A MSETN 2 Enter your fax number up to 20 digits R To enter a press MGN R To enter a space press MBN R To enter a hyphen press MFLASHN R To erase a number press MSTOPN 3 MSETN 4 Press MMENUN...

Page 271: ...OCR software Scanning from other applications for Microsoft Windows that support TWAIN scanning and WIA scanning USB connection only Storing editing or erasing items in the phonebook using your computer Storing editing or erasing items in the email address book using your computer KX MB2090 only Programming the features using your computer Sending receiving fax documents using your computer R Inst...

Page 272: ...ws Vista Windows 7 Windows 8 users Would you like to install this device software To view or install the operating instructions data 1 Start Windows and insert the supplied CD ROM into your CD ROM drive 2 Click Operating Instructions then follow the on screen instructions to view or install the operating instructions in PDF format R Adobe Reader is required to view the operating instructions Note ...

Page 273: ...g a stored item 1 Press MMENUN repeatedly to display E ADDRESS SETUP 2 Press MFN or MEN repeatedly to select EDIT A MSETN 3 Press MCN or MDN repeatedly to display the desired item A MMENUN A MGN 4 Edit the name if necessary A MSETN 5 Edit the email address if necessary A MSETN A MMENUN 10 5 3 Erasing a stored item 1 Press MMENUN repeatedly to display E ADDRESS SETUP 2 Press MFN or MEN repeatedly t...

Page 274: ...onebook Before using this feature store the desired names and telephone numbers in one touch dial feature and phonebook page 40 R Make sure that the MFAXN light is ON 10 7 1 Using one touch dial feature 1 Press MMONITORN or lift the handset 2 Select the desired station key For station 1 3 Press the desired station key For station 4 6 Press MLOWERN then press the desired station key R The unit will...

Page 275: ...the initial L see page 76 for character entry R To search for symbols press MGN 4 Press MCN or MDN repeatedly to display LISA R To stop the search press MSTOPN R To dial the displayed party press MMONITORN or lift the handset 82 10 Useful Information ...

Page 276: ...amming 2 5 Dialing mode 2 6 Date and time 2 7 Your logo 2 8 Your fax number Thank you for purchasing a Panasonic fax machine Things you should keep a record of Attach your sales receipt here For your future reference Date of purchase Serial number found on the rear of the unit Example 3 Approx 650 pages can be printed Table of Contents1 1 Table of Contents Introduction and Installation Accessories...

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