Panasonic KX-MB2085CXW Service Manual
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Panasonic KX-MB2085CXW Service Manual

Multi-function printer
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Multi-Function printer
KX-MB2085CXW
Model No.
KX-MB2090CXW
(for Middle East, Asia, Tunisia and Africa)
© Panasonic System Networks Co., Ltd. 2013
Unauthorized copying and distribution is a violation
of law.
ORDER NO.KMF1311431CE

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  • Page 1 ORDER NO.KMF1311431CE Multi-Function printer KX-MB2085CXW Model No. KX-MB2090CXW (for Middle East, Asia, Tunisia and Africa) © Panasonic System Networks Co., Ltd. 2013 Unauthorized copying and distribution is a violation of law.

  • Page 2: Table Of Contents

    KX-MB2085CXW/KX-MB2090CXW TABLE OF CONTENTS PAGE PAGE 1 Safety Precautions -----------------------------------------------5 6.9.1. General ------------------------------------------------ 40 1.1. For Service Technicians ----------------------------------5 6.9.2. Circuit Diagram of FAN ---------------------------- 41 1.2. AC Caution---------------------------------------------------5 6.9.3. Fan Control ------------------------------------------- 41 1.3. Personal Safety Precautions ----------------------------6 6.9.4. Control table------------------------------------------ 42 1.3.1.
  • Page 3 KX-MB2085CXW/KX-MB2090CXW 12.2. Remote Programming -----------------------------------88 15.3. Printing Operation Principle ------------------------- 190 12.2.1. Entering the Remote Programming Mode 15.3.1. Process Chart and Process BIAS------------- 190 and Changing Service Codes --------------------89 15.3.2. CHARGING ----------------------------------------- 190 12.2.2. Program Mode Table--------------------------------90 15.3.3. Exposing--------------------------------------------- 191 12.3.
  • Page 4 KX-MB2085CXW/KX-MB2090CXW 18.1. Cabinet, Mechanical and Electrical Parts Location--------------------------------------------------- 227 18.1.1. Operation Panel Section------------------------- 227 18.1.2. ADF Section --------------------------------------- 228 18.1.3. ADF Gear Section -------------------------------- 229 18.1.4. Top Cover Section -------------------------------- 230 18.1.5. Main Cabinet Section----------------------------- 231 18.1.6. Fuser Section--------------------------------------- 232 18.1.7.

  • Page 5: Safety Precautions

    KX-MB2085CXW/KX-MB2090CXW 1 Safety Precautions 1. Before servicing, unplug the AC power cord to prevent an electric shock. 2. When replacing parts, use only the manufacturer's recommended components. 3. Check the condition of the power cord. Replace if wear or damage is evident.

  • Page 6: Personal Safety Precautions

    KX-MB2085CXW/KX-MB2090CXW 1.3. Personal Safety Precautions 1.3.1. Moving Sections of the Unit Be careful not to let your hair, clothes, fingers, accessories, etc., become caught in any moving sections of the unit. The moving sections of the unit are the rollers and a gear. There is a separation roller and a document feed roller which are rotated by the document feed motor.

  • Page 7: Warning

    KX-MB2085CXW/KX-MB2090CXW 2 Warning 2.1. About Lead Free Solder (PbF: Pb free) Note: In the information below, Pb, the symbol for lead in the periodic table of elements, will refer to standard solder or solder that con- tains lead. We will use PbF solder when discussing the lead free solder used in our manufacturing process which is made from Tin, (Sn), Silver, (Ag), and Copper, (Cu).

  • Page 8: Discarding Of P. C. Board

    KX-MB2085CXW/KX-MB2090CXW 2.2. Discarding of P. C. Board When discarding P. C. Board, delete all personal information such as telephone directory and caller list or scrap P. C. Board. 2.3. Insulation Resistance Test 1. Unplug the power cord and short the two prongs of the plug with a jumper wire.

  • Page 9: Note For Repairing

    KX-MB2085CXW/KX-MB2090CXW 2.6. Note for Repairing Caution Please inform users of the danger of data 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.

  • Page 10: Specifications

    KX-MB2085CXW/KX-MB2090CXW 3 Specifications Applicable Lines: Public Switched Telephone Network Document Size: Max. 216 mm in width, Max. 600 mm in length Effective Scanning Width: 208 mm Effective Printing Width: Letter/ Legal: 208 mm A4: 202 mm Transmission Time Approx. 4 s/page (ECM-MMR Memory transmission)
  • Page 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: General/Introduction

    KX-MB2085CXW/KX-MB2090CXW 4 General/Introduction 4.1. Optional Accessories Replacement accessory - Toner cartridge • Model No. (Part No.): KX-FAT411E • Prints approximately 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 ±...

  • Page 13: Features

    KX-MB2085CXW/KX-MB2090CXW 5 Features 5.1. General Features General • LCD (Liquid Crystal Display) readout Flat-Bed Multifunction Laser Printer Output tray (approx. 100 sheets) Letter/A4/Legal Automatic document feeder (20 sheets) Quick scan Resolution: Standard/Fine/Super fine/Photo (64 level). STANDARD: For printed or typewritten originals with normal-sized characters.

  • Page 14: Technical Descriptions

    KX-MB2085CXW/KX-MB2090CXW 6 Technical Descriptions 6.1. Connection Diagram HANDSET with backlight CN941 NAME NAME NAME NAME HSSP+ HSSP+ HSMIC - HSMIC - HSSP- HSSP- HSMIC+ HSMIC+ HOOK SW READ POSITION DOCUMENT SENSOR SENSOR CISMODULE CN941 CN940 OPERATION PANEL BOARD PS53 PS54...

  • Page 15: General Block Diagram

    KX-MB2085CXW/KX-MB2090CXW 6.2. General Block Diagram MAIN UNIT SOC (IC300) This custom IC is used for general MFP operations. ARM9 operating at 250MHz. SDRAM Controller Controls SDRAM Memory. USB Controller with PHY Apply to USB2.0 HS Scanner I/F Controls the CIS and AFE, and process the scan images.
  • Page 16 KX-MB2085CXW/KX-MB2090CXW...

  • Page 17: Main Board Section

    KX-MB2085CXW/KX-MB2090CXW 6.3. Main Board Section 6.3.1. Data Flow [FAX Tx] 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.
  • Page 18 KX-MB2085CXW/KX-MB2090CXW [PC Scan] 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.
  • Page 19 KX-MB2085CXW/KX-MB2090CXW [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.
  • Page 20 KX-MB2085CXW/KX-MB2090CXW Description of Pin Distribution (IC300) SOC (System On Chip) Pin No. Pin Name Description SDCLK SDRAM Clock SDCKE SDRAM Clock Enable NSDCS SDRAM Chip Select NSDRAS SDRAM Row Address Strobe NSDCAS SDRAM Column Address Strobe NSDWE SDRAM Write Enable...
  • Page 21 KX-MB2085CXW/KX-MB2090CXW Pin No. Pin Name Description USBDP3 NOT USED USBDM3 NOT USED USBVBUS3 NOT USED USBRES3 USBSEL3 3.3V REF_CLK Ethernet Clock (pre clock tree) TX_EN Ethernet Transmit Enable TXD0 Ethernet Transmit Data TXD1 Ethernet Transmit Data RX_ER Ethernet Receive Error...
  • Page 22 KX-MB2085CXW/KX-MB2090CXW Pin No. Pin Name Description PIO31 Operation Panel Interface PIO32 Operation Panel Interface PIO33 OUTPUT PORT (CNGMUTE) PIO34 OUTPUT PORT (FAX_RX) PIO35 OUTPUT PORT (CID_RX) PIO36 OUTPUT PORT (SPMUTE) PIO37 INPUT PORT (BELL) PIO38 NOT USED PIO39 INPUT PORT (HOOK)
  • Page 23 KX-MB2085CXW/KX-MB2090CXW Pin No. Pin Name Description AC18 ARXD NCU Interface AF20 BBITCLK NCU Interface AE20 BSPCLK NCU Interface AD20 BTXD Tri-O NCU Interface AC20 BRXD NCU Interface AE19 AFERST NCU Interface AF19 AFECLK NCU Interface AD17 RING NCU Interface AF21...
  • Page 24 KX-MB2085CXW/KX-MB2090CXW Pin No. Pin Name Description AC12 USB1_AVDD25 2.5VA Power Supply for USB1 AF14 USB1_AVDD33 3.3V Power Supply for USB1 USB2_AVDD25 2.5VA Power Supply for USB2 USB2_AVDD33 3.3V Power Supply for USB2 USB3_AVDD25 2.5VA Power Supply for USB3 USB3_AVDD33 3.3V Power Supply for USB3...
  • Page 25 KX-MB2085CXW/KX-MB2090CXW Pin No. Pin Name Description...

  • Page 26: Rtc Backup Circuit

    KX-MB2085CXW/KX-MB2090CXW 6.3.2. RTC Backup Circuit 1. Function This unit has a lithium battery (BAT300) which works for the Real Time Clock IC (RTC: inside IC300). The RTC continues to work, backed up by a lithium battery even when the power switch is OFF.

  • Page 27: Modem Circuit Operation

    KX-MB2085CXW/KX-MB2090CXW 6.3.3. Modem Circuit Operation The modem (Included IC300) has all the hardware satisfying the CCITT standards mentioned previously. ALL processing is controlled by the SOC (IC300) according to CCITT procedures. This modem (Included IC300) has an automatic application equalizer. With training signal 1 or 2 at the time of G3 reception, it can automatically establish the optimum equalizer.
  • Page 28 KX-MB2085CXW/KX-MB2090CXW 6.3.4.2. Block Diagram...

  • Page 29: Ncu Section

    KX-MB2085CXW/KX-MB2090CXW 6.4. NCU Section 6.4.1. General NCU is the with the telephone line. It is composed of Bell detection circuit, Pulse dial circuit, Line amplifier and sidetone circuits. The following is a brief explanation of each circuit. 6.4.2. EXT. TEL. Line Relay (RLY100) 1.

  • Page 30: Calling Line Identification Circuit (Fsk)

    KX-MB2085CXW/KX-MB2090CXW 6.4.6. 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 second rings of the bell signal.

  • Page 31: Its

    KX-MB2085CXW/KX-MB2090CXW 6.5. ITS (Integrated telephone System) and Monitor Section 6.5.1. General The general ITS operation is performed by IC203 which has a handset circuit. The alarm tone, the key tone, and the beep are output from Soc IC300. 6.5.1.1. Telephone Monitor 1.

  • Page 32: Cis Control Section

    KX-MB2085CXW/KX-MB2090CXW 6.6. CIS Control Section The scanning block of this device consists of a control circuit and a CIS (contact image sensor), and AFE (Analog Front End) include A/D Converter. When an original document is inserted and the start button pressed, pin A3 of IC300 goes to a low level and the transistor Q518 turns on.

  • Page 33: Motor Drive Section

    KX-MB2085CXW/KX-MB2090CXW 6.7. Motor Drive Section 6.7.1. Engine Motor Control Circuit 1. Functions All driving forces of printer engine part are supplied by this engine motor. Engine motor is controlled so as to rotate at constant speed during printing and copying.

  • Page 34: Scanner Motor Drive Circuit

    KX-MB2085CXW/KX-MB2090CXW <Stop operation> In order to stop the motor rotation, following 2 signals are supplied from IC300. 1. SS signal (Output pin: Pin D24/Output Signal: "L") When this signal is inverted by transistor Q507 and becomes "H", motor recognize this signal as "stop" signal.
  • Page 35 KX-MB2085CXW/KX-MB2090CXW In order to control the Vref voltage, PWM pulse is supplied from IC300 pin C23. PWM pulse is integrated by R601, R604, and C601, then converted to DC voltage. This DC voltage is supplied to Vref pin of each motor drivers.
  • Page 36 KX-MB2085CXW/KX-MB2090CXW 3. Timing chart of current control Following timing charts are the example of Vref voltage corresponding to PWM pulse duty. 6.7.2.2. O.C.P. (Over Current Protection) circuit 1. Function If motor driver can supply more than 15 watts, FB and ADF motors may become fire hazards.

  • Page 37: Timing Chart And Wave Form Of Scanner Motors

    KX-MB2085CXW/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: Flat Torque 1-2 Phase Excitation (Half Step)

    KX-MB2085CXW/KX-MB2090CXW 6.8.2. Flat torque 1-2 phase excitation (half step) 1. Timing chart 2. Wave form...

  • Page 39: W1-2 Phase Excitation (Quarter Step)

    KX-MB2085CXW/KX-MB2090CXW 6.8.3. W1-2 phase excitation (Quarter step) 1. Timing chart 2. Wave form...

  • Page 40: Drive Mode Of Fb And Adf Motor

    KX-MB2085CXW/KX-MB2090CXW 6.8.4. Drive mode of FB and ADF motor Correspondent table of operation 6.9. FAN Motor Section 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.

  • Page 41: Circuit Diagram Of Fan

    KX-MB2085CXW/KX-MB2090CXW 6.9.2. Circuit Diagram of FAN Two FAN motors are controlled by following one circuit. So the operation of two FAN motors (Full speed rotation/Half speed rotation/Stop) are controlled simultaneously. 6.9.3. Fan Control For the control of FAN speed, comparator IC (IC504) is used.

  • Page 42: Control Table

    KX-MB2085CXW/KX-MB2090CXW If the period of the 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 FANON1H FAN1and FAN2 mode (IC300_pinK25) Full speed...

  • Page 43: Solenoid Driver Section

    KX-MB2085CXW/KX-MB2090CXW 6.10. Solenoid Driver Section The solenoid drive circuit controls Resistor Solenoid and Pickup 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...

  • Page 44: Lsu (Laser Scanning Unit) Section

    KX-MB2085CXW/KX-MB2090CXW 6.11. LSU (Laser Scanning Unit) Section...
  • Page 45 KX-MB2085CXW/KX-MB2090CXW...

  • Page 46: Sensors And Switches Section

    KX-MB2085CXW/KX-MB2090CXW 6.12. Sensors and Switches Section All of the sensor and switches are shown below. Sensor Name Sensor Location Reference number Message Error Pickup sensor Pickup & Fan2 PCB SW50 [PAPER JAMMED] [CHECK REAR CVR] [WRONG PAPER & PRESS START]...

  • Page 47: Drum Detection

    KX-MB2085CXW/KX-MB2090CXW 6.12.1. Drum Detection DRUM SENSOR is not arranged. DRUM cartridge is detected when HVERR SENSOR arranged in H.V.P.S becomes effective. High Voltage ERROR Status Drum sensor Signal (IC300-J23) Abnormal DRUM can not be detected Low level Normal DRUM can be detected High level 6.12.2.

  • Page 48: Exit Sensor

    KX-MB2085CXW/KX-MB2090CXW 6.12.3. Exit Sensor This sensor detects whether the recording paper exits or not. When there is a recording paper at the position of the sensor, the input signal of IC300-AF23pin becomes low level. When there is no recording paper at the position of the sensor, the input signal of IC300-AF23pin becomes high level.

  • Page 49: Registration & Manual Paper Sensor

    KX-MB2085CXW/KX-MB2090CXW 6.12.5. Registration & Manual Paper Sensor This sensor detects whether the recording paper is at the sensor 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-AF22pin becomes low level.

  • Page 50: Document Sensor

    KX-MB2085CXW/KX-MB2090CXW 6.12.7. Document Sensor This sensor detects whether a document is set in ADF or not. When a document is set in ADF, the shelter plate closes the sensor light. So the photo-transistor turns off, and input signal of IC300-AC26pin becomes high level.

  • Page 51: Toner Sensor

    KX-MB2085CXW/KX-MB2090CXW 6.12.9. Toner Sensor This sensor detects whether toner is present. If the time of IC300-AC25pin's Low level is under 0.45s,there is enough toner in Drum cartridge,if not,toner is near empty. Toner Sensor The rest of toner is detected by the move speed of the magnet put on the pendulum of Mixing Paddle. The pendulum is pushed up by the Mixing Paddle,then it falls down by its own weight.
  • Page 52 KX-MB2085CXW/KX-MB2090CXW 6.12.9.1. Toner Detection Flow CAUTION: 1. Toner low can be judged by continuous 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.
  • Page 53 KX-MB2085CXW/KX-MB2090CXW 6.12.9.2. Drum Detection...

  • Page 54: Handset Hook Switch

    KX-MB2085CXW/KX-MB2090CXW 6.12.10. Handset Hook Switch When the 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.

  • Page 55: Operation Board Section

    KX-MB2085CXW/KX-MB2090CXW 6.13. Operation Board Section The unit consists of a LCD (Liquid crystal display), KEYs and LEDs (light-emitting diodes). They are controlled by the Gate Array (IC1) on Operation board and IC300 on Main board. The key matrix table is shown below.

  • Page 56: Lcd Section

    KX-MB2085CXW/KX-MB2090CXW 6.14. LCD Section The font data is sent from SOC (Main board) throgh the Gate Array(IC1) by serial interface. The contrast is controled by Electronic Volume. LCD reset act at Low level.(RST) Circuit Diagram LCD UNIT (COG TYPE) COG:Chip on Glass...

  • Page 57: High Voltage Power Supply) Section

    KX-MB2085CXW/KX-MB2090CXW 6.15. H.V.P.S. (High Voltage Power Supply) Section 6.15.1. HVPS Specification Charge (CHG) Grid Developing DC Developing AC Transfer (TRA) - Transfer (TRA) + Output Characteristics Constant current Constant voltage Constant voltage Constant voltage Constant current Constant voltage (Variable) Nominal Output Voltage 4.35KV 475±10V...

  • Page 58: Dev Dc Bias Unit

    KX-MB2085CXW/KX-MB2090CXW 6.15.3. DEV DC BIAS UNIT When CHG REM is “L”, 5.425kHz PWM (Pulse Width Modulation) is input from IC300 to DEV CLK through Q504, developing voltage corresponding to the DUTY of PWM signal is output from DEV OUTPUT. Also DUTY is adjusted by the utilization of the developing unit and environmental temperature.

  • Page 59: Heat Lamp Control Circuit

    KX-MB2085CXW/KX-MB2090CXW 6.16. Heat Lamp Control Circuit The temperature of the fixing part of the Fuser Unit is converted to a Voltage by THERMISTOR and input to IC300_pinC21. The heat lamp is turned on/off by the HTRCTL signal (IC300_pinAE22) through the photo triac (PC7001) and the triac (Q7002).
  • Page 60 KX-MB2085CXW/KX-MB2090CXW...
  • Page 61 KX-MB2085CXW/KX-MB2090CXW 2. Safety Protection a. 2 thermostats are provided with the unit, and the heater circuit is shut down when their surface temperatures became over 160 °C. b. The heater control circuit of IC300 has the built-in function that the hardware turns off the heater control automatically if the software does not keep turning ON the heater every a fixed time.
  • Page 62 KX-MB2085CXW/KX-MB2090CXW Temperature AD value HEX reading Temperature AD value HEX reading Temperature AD value HEX reading [C°] [C°] [C°]...
  • Page 63 KX-MB2085CXW/KX-MB2090CXW Note: The value is displayed on LCD at Test Functions (P.70) [#815]. 4. The correspondence readings between room temperature measured bye thermistor and HEX readings You can read the AD value of room temperature in service mode. Push the keys [MENU]-[#]-[9][0][0][0]-[ ]-[8][1][5].

  • Page 64: Power Saving (Sleep) Function

    KX-MB2085CXW/KX-MB2090CXW 6.17. Power Saving (Sleep) Function The system circuit and the power supply 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.

  • Page 65: Main Board Power Supply Section

    KX-MB2085CXW/KX-MB2090CXW 6.18. Main Board Power Supply Section 6.18.1. 3.3V and 1.2V Power Supply Descriptions 1. IC800, IC801 is Synchronous Step-Down DC/DC Converter with Auto-Skip Eco-mode to increase light load efficiency. 2. Oscillation frequency is set at approximately 700kHz (Frequency is changed at Light Load.).

  • Page 66: Power Supply Descriptions

    KX-MB2085CXW/KX-MB2090CXW 6.18.3. 24V Power 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. +24V P24V +24V 0(2125) R810 Q807 S3.3V Q806...

  • Page 67: Power Supply Board Section

    KX-MB2085CXW/KX-MB2090CXW 6.19. Power Supply Board Section The power supply board circuit generates +7V and +24Vdc. It also supplies AC voltage to the halogen heat lamp in the fuser unit. The power supply board uses the switching regulator method. [Input Circuit] The input current goes into the input rectifier circuit through the filter circuit.

  • Page 68: Mechanical Operation

    KX-MB2085CXW/KX-MB2090CXW 6.20. Mechanical Operation 6.20.1. Printing The main motor gear rotates as shown in figure. GEAR DRIVE OPC drives each part of fixing and 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.

  • Page 69: Location Of Controls And Components

    KX-MB2085CXW/KX-MB2090CXW 7 Location of Controls and Components Refer to the Operating Instructions. Note: You can download and refer 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).

  • Page 70: Test Mode

    KX-MB2085CXW/KX-MB2090CXW 10 Test Mode 10.1. Test Functions The codes listed below can be used to perform simple checks of some of the unit’s functions. When complaints are received from customers, they provide an effective tool for identifying the locations and causes of malfunctions.
  • Page 71 KX-MB2085CXW/KX-MB2090CXW Test Mode Type of Mode Code Function Operation after code input SENSOR CHECK Service Mode “8” “1” “5” First of all, press the copy button, and confirm the action of ON/OFF. For each sensor’s operation, refer to Sensors and Switches Section (P.46).

  • Page 72: Dtmf Single Tone Transmit Selection

    KX-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: Print Test Pattern

    KX-MB2085CXW/KX-MB2090CXW 10.1.3. Print Test Pattern 1. NO.01 3. NO.03 2. NO.06 • 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: Service Mode

    KX-MB2085CXW/KX-MB2090CXW 11 Service Mode The programming functions are used to program the various features and functions of the machine, and to test the machine. This facilitates communication between the user and the service man while programming the unit. 11.1. Programming and Lists 11.1.1.

  • Page 75: Service Function Table

    KX-MB2085CXW/KX-MB2090CXW 11.1.3. Service Function Table Code Function Set Value Effective Default Remarks Range Pause time set X 100 msec 001~600 ---------- Dial speed select 1:10 pps 1, 2 ---------- 2:20 pps V34 transmission start speed 0: Disable If the code 527 is set at 2, the code 507 and 508 1: 33.6...
  • Page 76 KX-MB2085CXW/KX-MB2090CXW Code Function Set Value Effective Default Remarks Range CNG transmit select 1:OFF Lets you select the CNG output during FAX trans- 2:ALL mission. ALL: CNG is output at phase A. AUTO: 3:AUTO CNG id output only when automatic dialing is per- formed.

  • Page 77: Memory Clear Specification

    KX-MB2085CXW/KX-MB2090CXW Note: The default value changes depends on Location setting (#114). Refer to the following list for more details. Refer to Program Mode Table (P.90). 11.1.4. Memory Clear Specification Execute Service Mode #550 when you want to reset the all setting data keeping the user information.

  • Page 78: User Mode (The List Below Is An Example Of The System Setup List The Unit Prints Out.)

    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 Set Value Code...
  • Page 79 KX-MB2085CXW/KX-MB2090CXW Code Set Value Set Value Code Note: The above values are the default values.
  • Page 80 KX-MB2085CXW/KX-MB2090CXW (KX-MB2090)
  • Page 81 KX-MB2085CXW/KX-MB2090CXW Note: The above values are the default values.

  • Page 82: Service Mode Settings (Example Of A Printed Out List)

    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: History (Example Of A Printed Out List)

    KX-MB2085CXW/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: Descriptions Of The History Report

    KX-MB2085CXW/KX-MB2090CXW 11.4.1. Descriptions of the History Report (1) Usage Time of Receive Mode (Tel Mode) (2) Usage Time of Receive Mode (Fax Mode) (3) Usage Time of Receive Mode (Tel/Fax Mode) (4) Not used (5) Dial Mode (6) Number of Directory Entry...

  • Page 85: Troubleshooting Guide

    KX-MB2085CXW/KX-MB2090CXW 12 Troubleshooting Guide 12.1. User Recoverable Errors If the unit detects a problem, one or more of the following messages will appear on the display. The explanations given in the [ ] are for servicemen only. Display Cause & Solution •...
  • Page 86 KX-MB2085CXW/KX-MB2090CXW Display Cause & Solution • The unit has a document in memory. See the other displayed message instructions to print out the docu- ment. For fax memory capacity. • If the fax preview mode is set to “ON”, - view, print or save the received fax documents using the web browser on the computer connected via the LAN, and then erase the unnecessary documents.
  • Page 87 KX-MB2085CXW/KX-MB2090CXW Display Cause & Solution • The toner is empty. Replace the toner cartridge immediately. • The toner is reaching the end of its life. You will need to replace the toner cartridge soon. • The top cover is open. Close it.

  • Page 88: Remote Programming

    KX-MB2085CXW/KX-MB2090CXW 12.2. Remote Programming If, after the call is connected, the customer describes the situation and it is determined that the problem can be corrected by making parameter changes, this function makes it possible to change parameters such as the user code and service code from another fax (using DTMF tones).

  • Page 89: Entering The Remote Programming Mode And Changing Service Codes

    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: Program Mode Table

    KX-MB2085CXW/KX-MB2090CXW 12.2.2. Program Mode Table 12.2.2.1. User Function Basic features Code Function Set Value Default Remote Setting SET DATE & TIME dd/mm/yy hh:mm 01/01/13 YOUR LOGO --------- None YOUR FAX NUMBER --------- None SET LOCATION 1:MIDDLE EAST / 2:ASIA / 3:TUNISIA...
  • Page 91 KX-MB2085CXW/KX-MB2090CXW Code Function Set Value Default Remote Setting FAX ACTIVATION CODE ON / OFF ON CODE=*#9 AUTO DISCONNECTION ON / OFF ON CODE=*0 SILENT FAX RING SETTING MEMORY RECEIVE ALERT 2:ON / 1:OFF FRIENDLY RECEPTION 2:ON / 1:OFF PCFAX SETTING...
  • Page 92 KX-MB2085CXW/KX-MB2090CXW 12.2.2.2. Service Function Code Function Set Value Default Remote Setting Pause time set 001~600 x 100msec Dial speed 1:10pps / 2:20 pps 10pps V34 transmission start speed 0:Disable/1:33.6/2:31.2/3:28.8/4:26.4/ 33600bps 5:24.0/6:21.6/7:19.2/8:16.8/ V34 reception start speed 0:Disable/1:33.6/2:31.2/3:28.8/4:26.4/ 33600bps 5:24.0/6:21.6/7:19.2/8:16.8/ Bell signal detect time...
  • Page 93 KX-MB2085CXW/KX-MB2090CXW Code Function Set Value Default Remote Setting Sensor check --------- --------- Print test pattern --------- --------- Top margin 1~11 Left margin 1~11 DTMF ON time 060~200msec DTMF OFF time 060~200msec History list --------- --------- Journal 2 --------- --------- Journal 3...

  • Page 94: Troubleshooting Details

    KX-MB2085CXW/KX-MB2090CXW 12.3. Troubleshooting Details 12.3.1. Outline Troubleshooting is for recovering quality and reliability by determining the broken component and replacing, adjusting or cleaning it as required. First, determine the problem then decide the troubleshooting method. If you have difficulty finding the broken part, determine which board is broken.

  • Page 95: Initialization

    KX-MB2085CXW/KX-MB2090CXW 12.3.3. Initialization There are two types of initialization, 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...

  • Page 96: Simple Check List

    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: Simplified Troubleshooting Guide

    KX-MB2085CXW/KX-MB2090CXW 12.3.5. Simplified Troubleshooting Guide 12.3.5.1. Printing Symptom Cause Countermeasure Ghost Image (P.107) Failed drum cartridge Replace drum cartridge Failed transfer unit Check the transfer roller and spring Failed the high-voltage terminal Check the high-voltage terminal Failed the high voltage power supply board Go to High Voltage Section (P.152)
  • Page 98 KX-MB2085CXW/KX-MB2090CXW 12.3.5.2. Recording Paper Feed Symptom Cause Countermeasure Multiple Feed (P.113) Dirty or failed the pickup roller Clean or replace the pickup roller Dirty or failed the pickup rubber Clean or replace the separation rubber The Recording Paper Is Dirty the pressure roller or the heat roller Clean the pressure roller and the heat roller Waved or Wrinkled (P.114)
  • Page 99 KX-MB2085CXW/KX-MB2090CXW 12.3.5.3. Copy Symptom Cause Countermeasure Dark or White Vertical Dirty or failed the white plate and sheet (2 Clean or replace the white plate and sheet Line (P.108) places) Dirty or failed the glass board Clean or replace the glass board The cause of printing Go to Dark or White Vertical Line (P.108)

  • Page 100: Call Service Troubleshooting Guide

    KX-MB2085CXW/KX-MB2090CXW 12.3.6. CALL SERVICE Troubleshooting Guide Call Service related error is most frequent. Call Service 1 ----- Polygon doesn’t rotate..Refer to LSU (Laser Scanning Unit) Section (P.44). • First, listen to the sound. If rotation sound isn't heard, check 24V line, POLON signal and POLCLK signal. If even a little of sound is heard, check XREADY signal.
  • Page 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 KX-MB2085CXW/KX-MB2090CXW 12.3.6.2. CALL 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 KX-MB2085CXW/KX-MB2090CXW 12.3.6.3. CALL SERVICE 3 "CALL SERVICE 3" means that the temperature of the fuser does 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.
  • Page 104 KX-MB2085CXW/KX-MB2090CXW 12.3.6.4. CALL SERVICE 4 "CALL SERVICE 4" means that the 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.
  • Page 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 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: Print

    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 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 KX-MB2085CXW/KX-MB2090CXW 12.3.7.3. Dark or White Horizontal Line CROSS REFERENCE: High Voltage Section (P.152)
  • Page 110 KX-MB2085CXW/KX-MB2090CXW 12.3.7.4. Dirty or Half Darkness Background CROSS REFERENCE: High Voltage Section (P.152)
  • Page 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 KX-MB2085CXW/KX-MB2090CXW 12.3.7.6. Light Print CROSS REFERENCE: High Voltage Section (P.152)

  • Page 113: Recording Paper Feed

    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 KX-MB2085CXW/KX-MB2090CXW 12.3.8.2. The Recording Paper Is Waved or Wrinkled...
  • Page 115 KX-MB2085CXW/KX-MB2090CXW 12.3.8.3. Skew...
  • Page 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 KX-MB2085CXW/KX-MB2090CXW 12.3.8.5. The Recording Paper Jam...
  • Page 118 KX-MB2085CXW/KX-MB2090CXW CROSS REFERENCE: FAN Motor Section (P.40) When the recording paper jam is occurred, the service mode *630 distinguishes the cause. 0:No Jam 1:Exit Sensor turns ON, though not under the conditions for ON. 2:Exit Sensor turns OFF, though not under the conditions for OFF.
  • Page 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: Initializing Error

    KX-MB2085CXW/KX-MB2090CXW 12.3.9. Initializing Error After the power 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.

  • Page 121: Adf (Auto Document Feeder) Section

    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 KX-MB2085CXW/KX-MB2090CXW 12.3.10.2. An Abnormal Image Is Copied CROSS REFERENCE: CIS Control Section (P.148)

  • Page 123: Special Service Journal Reports

    KX-MB2085CXW/KX-MB2090CXW 12.3.11. Special Service Journal Reports Journal 2 and Journal 3 shown below, which are special journals giving the additional detailed information about the latest 35 com- munications, can be printed by Service Code 881 or 882. Remote printing function for the journal reports (JOURNAL, JOURNAL 2 and JOURNAL 3) is also available for service technicians.
  • Page 124 KX-MB2085CXW/KX-MB2090CXW 12.3.11.1. Journal 2 Refer to JOURNAL 2 in Printout Example (P.125). Journal 2 displays the additional detailed information about the last 35 communications. Descriptions: (1) RCV. MODE Indicates which receive mode the unit was in when the unit received a fax message.
  • Page 125 KX-MB2085CXW/KX-MB2090CXW 12.3.11.2. Journal 3 Refer to JOURNAL 3 in Printout Example (P.125). Description (6) ENCODE Compression Code: MH/MR/MMR (7) MSLT MSLT means Minimum Scan Line Time. Used only at the factory. (8) EQM (RX) EQM means Eye Quality Monitor. Used only at the factory.
  • Page 126 KX-MB2085CXW/KX-MB2090CXW...
  • Page 127 KX-MB2085CXW/KX-MB2090CXW 12.3.11.4. How To Output The Journal Report 1. Press the MENU button 3 times. 2. Press “#”, then “2”. 3. Press the SET button. 4. The report prints out. CROSS REFERENCE: Features (P.13) Error code table: (1) CODE (2) RESULT...
  • Page 128 KX-MB2085CXW/KX-MB2090CXW...
  • Page 129 KX-MB2085CXW/KX-MB2090CXW CROSS REFERENCE: Test Functions (P.70)
  • Page 130 KX-MB2085CXW/KX-MB2090CXW CROSS REFERENCE: Test Functions (P.70)
  • Page 131 KX-MB2085CXW/KX-MB2090CXW CROSS REFERENCE: Test Functions (P.70)
  • Page 132 KX-MB2085CXW/KX-MB2090CXW CROSS REFERENCE: Test Functions (P.70)
  • Page 133 KX-MB2085CXW/KX-MB2090CXW...
  • Page 134 KX-MB2085CXW/KX-MB2090CXW...
  • Page 135 KX-MB2085CXW/KX-MB2090CXW CROSS REFERENCE: Test Functions (P.70)
  • Page 136 KX-MB2085CXW/KX-MB2090CXW 12.3.11.5. 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 KX-MB2085CXW/KX-MB2090CXW 12.3.11.6. Receive Problem Confirm the following before starting troubleshooting. • Is the recording paper installed properly? Refer to the next page. Note: “596: Transmit level set” represents a service code. Refer to the Service Function Table (P.75). “718: Receive speed select” represents a service code. Refer to the Service Function Table (P.75).

  • Page 138: Analog Section

    KX-MB2085CXW/KX-MB2090CXW 12.3.12. Analog Section This chapter provides the testing procedures required for the analog parts. A signal route to be tested is determined depending upon purposes. For example, the handset TX route begins at the handset microphone and the signal is output to the telephone line.
  • Page 139 KX-MB2085CXW/KX-MB2090CXW 12.3.12.2. DEFECTIVE ITS (Integrated Telephone System) Section 1. No handset and speakerphone transmission / reception Perform a signal test in the ITS or the NCU section and locate a defective point (where the signal 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).
  • Page 140 KX-MB2085CXW/KX-MB2090CXW 4. No tone dialing CROSS REFERENCE: Check 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.

  • Page 141: Operation Panel Section

    KX-MB2085CXW/KX-MB2090CXW 12.3.13. Operation Panel Section Refer to Test Functions (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.
  • Page 142 KX-MB2085CXW/KX-MB2090CXW 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 KX-MB2085CXW/KX-MB2090CXW 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: Motor Section

    KX-MB2085CXW/KX-MB2090CXW 12.3.15. Motor Section 12.3.15.1. Engine Motor...
  • Page 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 KX-MB2085CXW/KX-MB2090CXW 12.3.15.3. ADF Motor CAUTION: If F602 (IC Protecter) open, exchange F602 after all repair finish.

  • Page 147: Lsu Section

    KX-MB2085CXW/KX-MB2090CXW 12.3.16. LSU Section CROSS REFERENCE: LSU (Laser Scanning Unit) Section (P.44)

  • Page 148: Cis Control Section

    KX-MB2085CXW/KX-MB2090CXW 12.3.17. CIS Control Section...
  • Page 149 KX-MB2085CXW/KX-MB2090CXW CROSS REFERENCE: Test Functions (P.70)

  • Page 150: High Voltage Value Check Point

    KX-MB2085CXW/KX-MB2090CXW 12.3.18. High Voltage Value Check Point Measurement Procedure 1. Turn Off the unit, and open the unit cover. 2. Remove the developing unit, if it is equipped. 3. Connect the wire to the terminal to be measured (Fig. 2). The wire should be put out of the unit not to interfere in other termi- nals (Fig.
  • Page 151 KX-MB2085CXW/KX-MB2090CXW...

  • Page 152: High Voltage Section

    KX-MB2085CXW/KX-MB2090CXW 12.3.19. High Voltage Section 1. Main...
  • Page 153 KX-MB2085CXW/KX-MB2090CXW 2. CHG, GRID...
  • Page 154 KX-MB2085CXW/KX-MB2090CXW 3. TRA (+)
  • Page 155 KX-MB2085CXW/KX-MB2090CXW 3. DEV DC...
  • Page 156 KX-MB2085CXW/KX-MB2090CXW TRA (-)

  • Page 157: Usb Section

    KX-MB2085CXW/KX-MB2090CXW 12.3.20. USB Section Troubleshooting 1. Confirmation of the PC settings...
  • Page 158 KX-MB2085CXW/KX-MB2090CXW 2. Confirmation of the main unit...
  • Page 159 KX-MB2085CXW/KX-MB2090CXW USB (Universal Serial Bus) block Description This is a USB block for data communication with PC. Two signal lines (D+/D-) are differential signals which work in reverse phase. VBUS: CN300 1pin D-: CN300 3pin D+: CN300 2pin GND: CN300 4pin...
  • Page 160 KX-MB2085CXW/KX-MB2090CXW Waveform of normal operation...

  • Page 161: Lan Section

    KX-MB2085CXW/KX-MB2090CXW 12.3.21. 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 KX-MB2085CXW/KX-MB2090CXW 2. When 100Base-TX-enabled deviced is connected;...
  • Page 163 KX-MB2085CXW/KX-MB2090CXW 3. When 10Base-T-enabled device is connected.
  • Page 164 KX-MB2085CXW/KX-MB2090CXW IC750 ( C1CB00002566 : 3.3V Single Power Supply) Pin Description Pin No Signal Name Input/Output(*) Description Ground VDDPLL_1.8 1.8V analog VDD VDDA_3.3 3.3V analog VDD Physical receive or transmit signal (- differential) Physical receive or transmit signal (+ differential)
  • Page 165 KX-MB2085CXW/KX-MB2090CXW Pin No Signal Name Input/Output(*) Description LED0 / NWAYEN Ipu/O LED Output: Programmable LED0 Output / Config Mode: Latched as Auto-Negotiation Enable (register 0h, bit 12) during power-up / reset. See “Strapping Options“ section for details. The LED0 pin is programmable via register 1Eh bits [15:14], and is defined as follows.

  • Page 166: Main Board Section

    KX-MB2085CXW/KX-MB2090CXW 12.3.22. Main Board Section Main Unit Power Supply Troubleshooting Guide...

  • Page 167: Power Supply Board Section

    KX-MB2085CXW/KX-MB2090CXW 12.3.23. Power Supply Board Section 12.3.23.1. Key Components For Troubleshooting Check the following parts first: F7001, F7003, D7001, D7002, D7003, D7004, C7002, Q7001 and PC7001. This comes from our experience with experimental test. For example: power supply and lightning surge voltage test, with standing voltage test, intentional short circuit test, etc.
  • Page 168 KX-MB2085CXW/KX-MB2090CXW 12.3.23.2. Troubleshooting Flow Chart...
  • Page 169 KX-MB2085CXW/KX-MB2090CXW 12.3.23.3. Broken Parts Repair Details (Q7001) The worst case of Q7001 is a short-circuit between the Drain and Gate because damage expands to the peripheral circuit of Q7001. This is due to a very high voltage through the Gate circuit, which is composed of U7001. You should change all of the parts listed as follows.

  • Page 170: Recording Paper Jam

    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: Service Fixture & Tools

    KX-MB2085CXW/KX-MB2090CXW 13 Service Fixture & Tools...

  • Page 172: Disassembly And Assembly Instructions

    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: Bottom Section

    KX-MB2085CXW/KX-MB2090CXW 14.1. Bottom Section 14.2. Left Side Section...

  • Page 174: Operation Panel Section

    KX-MB2085CXW/KX-MB2090CXW 14.3. Operation Panel Section 14.4. Open Top Cover...

  • Page 175: Remove Operation Panel

    KX-MB2085CXW/KX-MB2090CXW 14.5. Remove Operation Panel 14.6. Remove Operation Board...

  • Page 176: Remove Main Board

    KX-MB2085CXW/KX-MB2090CXW 14.7. Remove Main Board...

  • Page 177: Remove Gear Chassis Section

    KX-MB2085CXW/KX-MB2090CXW 14.8. Remove Gear Chassis Section...

  • Page 178: Remove Right Cover

    KX-MB2085CXW/KX-MB2090CXW 14.9. Remove Right Cover 14.10. Remove Right Cassette Guide...

  • Page 179: Remove Bottom Plate

    KX-MB2085CXW/KX-MB2090CXW 14.11. Remove Bottom Plate 14.12. Remove Laser Unit...

  • Page 180: Remove Pick Up Roller

    KX-MB2085CXW/KX-MB2090CXW 14.13. Remove Pick up Roller...

  • Page 181: Remove Low Voltage Power Board

    KX-MB2085CXW/KX-MB2090CXW 14.14. Remove Low Voltage Power Board 14.15. Remove Mirror...

  • Page 182: Remove High Voltage Power Board

    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: Installation Position Of The Lead

    KX-MB2085CXW/KX-MB2090CXW 14.18. Installation Position of The Lead 14.18.1. Top Cover Section (1) UL tape Pass the ope-panel lead to along the wall of cabinet. How to install CIS Spacers Pay attention to the direction to install.

  • Page 184: Top Cover Section (2)

    KX-MB2085CXW/KX-MB2090CXW 14.18.2. Top Cover Section (2) Hook the leads. (Hook the lead from a little number.) A wire is not hanging on a hook. View A Cover the leads completely with tape. View A Stick the tape according to the shape.

  • Page 185: Bottom Part Section (1)

    KX-MB2085CXW/KX-MB2090CXW 14.18.3. Bottom Part Section (1) Pass the lead Pass these leads through the groove. between these boss. Enter to Hook completely Black Brown Pass the leads through the hole as shown in this figure .

  • Page 186: Bottom Part Section (2)

    KX-MB2085CXW/KX-MB2090CXW 14.18.4. Bottom Part Section (2) LEAD/FUSER Bind for following leads around a boss with a binder. LEAD/AC EARTH HARNESS/AC LEAD/FUSER LEAD/HV Don't insert LEAD/FUSER and HARNESS/AC by mistake. HARNESS/AC Dressing of LEAD/AC EARTH SCREW Terminal of Harness Washer PLATE COVER SMPS...

  • Page 187: Side Cabinet Section (1)

    KX-MB2085CXW/KX-MB2090CXW 14.18.5. Side Cabinet Section (1) Make sure that the lead wires are not touching the moter. Pass the Earth Lead through like this. UL tape Harness must not come out below this line. Cram the core into the opening.

  • Page 188: Maintenance

    KX-MB2085CXW/KX-MB2090CXW 15 Maintenance 15.1. Maintenance Items and Component Locations 15.1.1. Outline MAINTENANCE AND REPAIRS ARE PERFORMED USING THE FOLLOWING STEPS. 1. Periodic maintenance Inspect the equipment periodically and if necessary, clean any contaminated parts. 2. Check for breakdowns Look for problems and consider how they arose.
  • Page 189 KX-MB2085CXW/KX-MB2090CXW 15.1.2.2. Maintenance Cycle (Document & Paper) Item Cleaning Cycle Pick up Roller (Ref No.320) ------------ Separation Roller (Ref. No.340) ------------ Feed Roller (Ref.No.211) 3 months Transfer Roller (Ref.No.161) ------------ Registration Roller (Ref.No.196) 3 months Heat Roller (Ref.No.232) ------------ Exit Roller (Ref.No.242) 3 months If each part has got dirty, clean it with a damp cloth then dry thoroughly.

  • Page 190: Cleaning

    KX-MB2085CXW/KX-MB2090CXW 15.2. Cleaning Refer to the Operating Instructions. Note: You can download and refer to the Operating Instructions (Instruction book). 15.3. Printing Operation Principle 15.3.1. Process Chart and Process BIAS 15.3.2. 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).

  • Page 191: Exposing

    KX-MB2085CXW/KX-MB2090CXW 15.3.3. Exposing When the drum which is charged with the fixed electric charge is irradiated by the laser beam, the plus charge and minus charge are generated at the Charge Generation Transfer Layer. Passing through the Charge Generation Transfer Layer which conducts the minus charge, the plus-charged drum's surface is neutralized to be skipped.

  • Page 192: Developing And Transcription

    KX-MB2085CXW/KX-MB2090CXW 15.3.4. Developing and Transcription The developing is the stage that the OPC drum with an invisible image is changed to visible by the toner. The drum cartridge con- sists of mixing paddle, toner supply roller, developing roller, developing blade, charge wire, grid plate and OPC drum. The bias volt- age is added to the developing roller and toner supply roller.

  • Page 193: Cleaning Of Transfer Roller

    KX-MB2085CXW/KX-MB2090CXW 15.3.5. Cleaning of Transfer Roller The toner attached to the surface of the OPC drum is transferred to the paper at the transcription stage, but a part of the toner 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.

  • Page 194: Fixing

    KX-MB2085CXW/KX-MB2090CXW 15.3.6. Fixing On the process of the transfer, the transferred toner is weakly attached on the paper. Fixing means the process to fix the toner on the paper permanently. The fixing part melts the toner at the high temperature using the halogen heater. The toner is fixed on the paper by the heat and pressure through the fixing part with the image.

  • Page 195: Terminal Guide Of The Ics Transistors And Diodes

    KX-MB2085CXW/KX-MB2090CXW 15.4. Terminal Guide of The ICs Transistors and Diodes 15.4.1. Main Board...

  • Page 196: Operation Board

    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: How To Replace The Flat Package Ic

    KX-MB2085CXW/KX-MB2090CXW 15.5. How to Replace the Flat Package IC Even if you do not have the special tools (for example, a spot heater) to remove the Flat IC, with some solder (large amount), a soldering iron and a cutter knife, you can easily remove the ICs that have more than 100 pins.

  • Page 198: Flat Package Ic Installation Procedure

    KX-MB2085CXW/KX-MB2090CXW 15.5.3. Flat Package IC Installation Procedure 1. Temporarily fix the FLAT PACKAGE IC, soldering the two marked pins. *Check the accuracy of the IC setting with the corresponding soldering foil. 2. Apply flux to all pins of the FLAT PACKAGE IC.

  • Page 199: Main Board Section

    KX-MB2085CXW/KX-MB2090CXW 15.6. Main Board Section When the unit fails to boot up the system, take the troubleshooting procedures very carefully. It may have a serious problem. The symptom: No response when the power is turned on. (No LCD display, and keys are not accepted.) The first step is to check the power source.

  • Page 200: Ng Example

    KX-MB2085CXW/KX-MB2090CXW 15.6.1. NG Example...

  • Page 201: Test Chart

    KX-MB2085CXW/KX-MB2090CXW 15.7. Test Chart 15.7.1. ITU-T No.1 Test Chart...

  • Page 202: Itu-T No.2 Test Chart

    KX-MB2085CXW/KX-MB2090CXW 15.7.2. ITU-T No.2 Test Chart...

  • Page 203: Schematic Diagram

    KX-MB2085CXW/KX-MB2090CXW 16 Schematic 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: Main Board (Kx-Mb2085)

    TOPCVR 2:6D +3.3V AA25 PSTART (41) PSCIO19 2:5F AA26 MMPWR PSCIO20 CISHOME +3.3V/BATT (42) OPMPWR PSCIO21 2:7B CRMPWR PSCIO22 R388 2:3B AE22 HTRCTL HTRCTL PSCIO23 (43) R304 2:2E NHSYNC PSCIO24 D300 IC303 C322 VOUT BAT300 KX-MB2085CXW MAIN BOARD (No.1) (1/2)
  • Page 205 (37) DSP_TMS RTCCLKIN C318 (38) DSP_TCK RTCCLKOUT R495 0(1608) +24V +5VA +5VD (39) DSP_TRSTN *BATRST +1.2V 6C;7B XSYSRST (40) DSP_TDO RTCPWRDWN R496 0(1608) BAT_VDD +3.3V RE199RE1 +1.2V BAT_DVDD R497 0(1608) R498 0(1608) (41) (42) (43) KX-MB2085CXW MAIN BOARD (No.1) (2/2)

  • Page 206: Main Board (2)

    +3.3V LEDONG Q512 R550 R544 POLCLK 1:3E XREADY NREADY Q505 POLON +24V 1:1E +3.3V POLON Q503 1:3B LEDONR 1:3D POLCLK 1:3B LEDONB CN501 1:3A CCDSH 292161-5 R589 1:3F CISHOME TO LSU R553 1:3A CCDCLK FLT501 KX-MB2085CXW MAIN BOARD (No.2) (1/2)
  • Page 207 AVDD33_1 MDIO GND1 1:1C MGTINT 1:3B PHYRSTB (14) AFESIFEN 1:1C MDIO DVDD10 1:1C PMEB TXEN 1:1B TX_EN TXD3 1:3D XLANRST TXER TXD2 C750 CN750 +3.3V 1:1B TXD1 1:1B TXD0 1:1B REF_CLK 1:1C RXD1 1:1B RXD0 KX-MB2085CXW MAIN BOARD (No.2) (2/2)

  • Page 208: Main Board (3)

    1:1B AFERST HS Tx HS Rx HS Rx HS Tx FAX Tx FAX Rx FAX Tx FAX Rx Monitor Rx Tone Monitor Rx Tone Ringing Alarm Monitor Rx Hs Rx Hs Tx Beep Key tones KX-MB2085CXW MAIN BOARD (No.3) (1/2)
  • Page 209 CN200 CN201 B8B-PH-K-S(LF)(SN) 1:1C R235 DAOUT C279 K0.1u R289 100k C239 K820p 1:1D R213 SPMUTE +2.5V C261 R248 IC204 C214 18EG601 L201 IC201 C253 L205 18EG601 C238 K820p R249 R229 C217 L210 C227 K3900p K0.022u KX-MB2085CXW MAIN BOARD (No.3) (2/2)

  • Page 210: Main Board (Kx-Mb2090)

    KX-MB2085CXW/KX-MB2090CXW 16.3. Main Board (KX-MB2090) 16.3.1. Main Board (1) +3.3V 2:5F IC300 CCDSH 15BD102 L360 FLT500 AD19 AFESEL0 CCDSH 15BB221 L361 2:5F AC19 AFESEL1 *CCDRS CCDCLK 3:1F L348 15BD471 AF18 ABITCLK ABITCLK *CCDCP 3:1F L349 15BD471 AE18 ASPCLK ASPCLK CCDCLK...
  • Page 211 KX-MB2085CXW/KX-MB2090CXW +1.2V IC300 C328 0.22u/6.3V VSS1 VDD12_1 C329 0.22u/6.3V VSS2 VDD12_2 VSS3 VDD12_3 VSS4 VDD12_4 VSS5 VDD12_5 ADR[16] VSS6 VDD12_6 ADR[25] 64Mbit/16bit FLASH VSS7 VDD12_7 ADR[24] VSS8 VDD12_8 ADR[10] R416 IC402 AA23 VSS9 VDD12_9 ADR[23] VSS10 VDD12_10 NC(A23) NC(A24) ADR[22] +3.3V...

  • Page 212: Main Board (2)

    KX-MB2085CXW/KX-MB2090CXW 16.3.2. Main Board (2) +24V +3.3V P24V +24V +3.3V S3.3V LVIN +5VD RESIST 0(2125) R810 0(1608) SOLENOID R827 0(2125) D805 LVIN R802 Q807 +24V IC802 Q809 Q800 R800 L800 4.7u OUT1 CN503 0(1608) OUT2 R828 R839 RESIST Q502 R500...
  • Page 213 KX-MB2085CXW/KX-MB2090CXW +1.2V LVIN +1.2V R812 L801 2.2u 0(1608) +24V Q600 Q601 R611 R603 R612 470k +3.3V R606 Q602 TO FBM IC600 292161-4 +5VD TJMON CN600 R602 1:1E CRMEN ENABLEA 7C;1:1E CRM5 BOUT2 7C;1:1E CRM4 R609 7C;1:1E CRM3 RCSB 7C;1:1E F0.47(3216)

  • Page 214: Main Board (3)

    KX-MB2085CXW/KX-MB2090CXW 16.3.3. Main Board (3) R126 R117 150(1W) T100 C113 R123 220(1W) PC101 +5VA R112 D104 R258 10(1608) Q101 L213 1:1E IC201 P_SHORT 0(1608) Q204 C114 R124 +2.5V J112 J104 J108 R110 W5NL5T C106 +3.3V 1:1E BREAK +24V +24VA 1:1E...
  • Page 215 KX-MB2085CXW/KX-MB2090CXW J102 W5NL5T D100 J110 J111 W5NL5T L100 CN100 L106 21A601 1:1F;6B RLY102 LINERLY C102 POS100 L101 Q202 J109 21A601 PC104 C101 R116 J105 R122 W5NL5T J113 J101 1:1F;6A Q201 RLY100 LINERLY R125 22k(1/2W) +3.3V 1:1E CIDRLY Q214 R299 C120...

  • Page 216: Operation Board

    KX-MB2085CXW/KX-MB2090CXW 16.4. Operation Board...

  • Page 217: Sensor Board

    KX-MB2085CXW/KX-MB2090CXW 16.5. Sensor Board PNLP2209RU-A POUT Varistor PNLP2209RU-E THRM1 CN64 CN65 POUT ZNR50 THRM1 FANON FANON FG_DEV FG_EARTH FANDET FANDET PICK PICK PTOP 1 GND PNLP2363RU-F CN67 IC51 CN59 3 VOUT CN61 CN61 Z0.1u +3.3V CN61 +3.3V VREF CN61 VREF...

  • Page 218: High Voltage Power Supply Board

    KX-MB2085CXW/KX-MB2090CXW 16.6. High Voltage Power Supply Board T1(B1) +24V 34KHz Approx.46V TOP CVR J111 CHG REM JUMPER 10mm J109 J112 J110 JUMPER 10mm L:ON H:OFF blue Grid R12 R14 VR1 R4 J104 J103 H:Normal L:Abnormal R40 C32 H:OFF PWM Control DEV CLK Freq:5.425KHz...

  • Page 219: Low Voltage Power Supply Board

    KX-MB2085CXW/KX-MB2090CXW 16.7. Low Voltage Power Supply Board...

  • Page 220: Printed Circuit Board

    C238 C214 L212 J111 C254 R280 R154 R257 R217 D108 C106 R111 R162 L205 POS100 (SP) C157 L157 R496 C499 D I P C203 C262 L201 R239 C261 L209 L202 L156 C154 (HANDSET) KX-MB2085CXW / KX-MB2090CXW MAIN BOARD COMPONENT VIEW...

  • Page 221: Main Board: Bottom View

    KX-MB2085CXW/KX-MB2090CXW 17.1.2. Main Board: Bottom View KX-MB2085CXW / KX-MB2090CXW MAIN BOARD BOTTOM VIEW...

  • Page 222: Operation Board

    KX-MB2085CXW/KX-MB2090CXW 17.2. Operation Board 17.2.1. Operation Board J 1 3 J 1 5 J 2 0 J 1 1 J 1 0 J 1 2 J 1 7 J 1 8 J 1 4 KX-MB2085CXW / KX-MB2090CXW OPERATION PANEL BOARD...

  • Page 223: Sensor Board

    17.3.2. Fuser Board 94V-0 FUSER PS50 CN53 PNLB1144Z -AU 94V-0 FUSER PNLB1144Z -AU KX-MB2085CXW / KX-MB2090CXW FUSER SENSOR BOARD 17.3.3. Pickup Sensor Board PNLB1144Z -AU 94V-0 94V-0 PNLB1144Z -AU CN63 CN51 PICK PICK KX-MB2085CXW / KX-MB2090CXW PICK UP SENSOR BOARD...

  • Page 224: Registration Sensor Board

    KX-MB2085CXW/KX-MB2090CXW 17.3.4. Registration Sensor Board CN50 PCB-CH PNLB1144Z -AU 94V-0 94V-0 PNLB1144Z -AU KX-MB2085CXW / KX-MB2090CXW REGISTRATION SENSOR BOARD 17.3.5. Varistor Sensor Board PCB-CH KX-MB2085CXW / KX-MB2090CXW VARISTOR SENSOR BOARD 17.3.6. Flatbed Relay Board PNLB1144Z -AU PNLB1144Z -AU PCB-CH CN61...

  • Page 225: High Voltage Power Supply Board

    KX-MB2085CXW/KX-MB2090CXW 17.4. High Voltage Power Supply Board 17.4.1. HIGH VOLTAGE POWER SUPPLY BOARD: COMPONENT VIEW J110 T61 (B61) J109 CAUTION QJ005 MPH7397 PCPH0487 GRID QJ052 J204 0.8A/125V 94V-0 T1(B1) N 0 G G 4 E 0 0 0 0 0 6 KX-MB2085CX/KX-MB2090CX HIGH VOLTAGE POWER SUPPLY BOARD (COMPONENT VIEW) 17.4.2.

  • Page 226: Low Voltage Power Supply Board

    KX-MB2085CXW/KX-MB2090CXW 17.5. Low Voltage Power Supply Board 17.5.1. LOW VOLTAGE POWER SUPPLY BOARD: COMPONENT VIEW KX-MB2085CX / KX-MB2090CX L OW 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 (BOTTOM VIEW)

  • Page 227: Exploded View And Replacement Parts List

    KX-MB2085CXW/KX-MB2090CXW 18 Exploded View and Replacement Parts List 18.1. Cabinet, Mechanical and Electrical Parts Location 18.1.1. Operation Panel Section PCB2 This pictured model is KX-MB2090.

  • Page 228: Adf Section

    KX-MB2085CXW/KX-MB2090CXW 18.1.2. ADF Section Gear Section PCB9...

  • Page 229: Adf Gear Section

    KX-MB2085CXW/KX-MB2090CXW 18.1.3. ADF Gear Section...

  • Page 230: Top Cover Section

    KX-MB2085CXW/KX-MB2090CXW 18.1.4. Top Cover Section (*1) (*2) Double-faced tape Double-faced tape =Application of double-faced tape= (*2) Double-faced tape Peel off old tape and stick new double-faced tape by each length. (Parts No.177) (*1) Double-faced tape (Length: Approx.881 mm) Be sure the length of the Double-faced cut tapes are correct.

  • Page 231: Main Cabinet Section

    KX-MB2085CXW/KX-MB2090CXW 18.1.5. Main Cabinet Section Fuser Section...

  • Page 232: Fuser Section

    KX-MB2085CXW/KX-MB2090CXW 18.1.6. Fuser Section 232-a PCB4 *232 are 2 rollers, please replace both at the same time. *260 is the completed Fuser Unit.

  • Page 233: Bottom Cabinet Section (1)

    KX-MB2085CXW/KX-MB2090CXW 18.1.7. Bottom Cabinet Section (1) PCB12 PCB3 PCB13 PCB5 SW50 PCB7 PCB6 *319 is a kit parts No. of these parts, please replace both at the same time.

  • Page 234: Separation (Dfp) Roller Section

    KX-MB2085CXW/KX-MB2090CXW 18.1.8. Separation (DFP) Roller Section *340 is a kit parts No. of these parts, please replace both at the same time.

  • Page 235: Side Cabinet Section

    KX-MB2085CXW/KX-MB2090CXW 18.1.9. Side Cabinet Section Motor Section PCB1 PCB10 This pictured model is KX-MB2090.

  • Page 236: Motor Section

    KX-MB2085CXW/KX-MB2090CXW 18.1.10. Motor Section...

  • Page 237: Bottom Cabinet Section (2)

    KX-MB2085CXW/KX-MB2090CXW 18.1.11. Bottom Cabinet Section (2) This pictured model is KX-MB2090.

  • Page 238: Output Tray Section

    KX-MB2085CXW/KX-MB2090CXW 18.1.12. Output Tray Section This pictured model is KX-MB2090.

  • Page 239: Actual Size Of Screws And Washer

    KX-MB2085CXW/KX-MB2090CXW 18.1.13. Actual Size of Screws and Washer Illustration XTW3+10PFJ7 XTW3+6LFJ7 XTW3+12PFJ7 XTW3+W10PFJ XYC3+FF8FJ XYC3+CF5FJ XTB3+10GFJ XTB3+12JFJ XTW3+20PFJ XTW3+5LFJK7 XYN3+C6FJ XSB4+6FJ...

  • Page 240: Accessories And Packing Materials

    KX-MB2085CXW/KX-MB2090CXW 18.1.14. Accessories and Packing Materials DRAM UNIT TONER CARTRIDGE...

  • Page 241: Electrical Parts

    This period PNGG1356Z1 OPERATION PANEL of time depends on the type of item, and the local laws (for KX-MB2085CXW) governing parts and product retention. PNGP1288Z LCD cover L5DYBYY00054 LIQUID CRYSTAL DISPLAY At the end of this period, the item will no longer be avail- able.
  • Page 242 RETAINING RING PFJE1068Z LEAD WIRE PNGT7805-M NAME PLATE, AL (for KX-MB2090CXW) PNDF1028Z SHAFT PNGT7897-M NAME PLATE, AL PFDV1005Y ROUND BELT (for KX-MB2085CXW) PFUS1817Z COIL SPRING PNQT1734Z LABEL, CAUTION DAMPER PFHX2134Z PLASTIC PARTS PFHX1884Z MAGNETIC SHIELD PFHE1319Z PLASTIC PARTS PFDJ1085X SPACER...
  • Page 243 KX-MB2085CXW/KX-MB2090CXW Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks PFDG1423Z GEAR PA-HB NOT USED PNZRMB2090CX Pressure Roller & Heat A5052+P PNHS1196Z FELT PARTS Roller Kit 18.2.1.8. Separation (DFP) Roller Section (Ref.No.232,232-a...

  • Page 244: Main Board (Kx-Mb2085)

    LEAFLET, Hologram PNUG1015Z GUIDE PS-HB PNPK3743001Z PACKING CASE PNHS1171Z FELT PARTS (for KX-MB2090CXW) PNHX1269Y PLASTIC PARTS PNPK3743002Z PACKING CASE XWC4BFJ WASHER (for KX-MB2085CXW) PFHA1001Z RUBBER PARTS PNPN1126W CUSHION ABS-HB L0AA05A00048 SPEAKER PNPN1136X CUSHION ABS-HB PFJS02M47Z LEAD WIRE PFPP1041Z PROTECTION COVER...
  • Page 245 KX-MB2085CXW/KX-MB2090CXW Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks Q504 B1GBCFGN0005 TRANSISTOR(SI) C232 F1H1C104A107 Q505 B1GBCFGN0005 TRANSISTOR(SI) C233 ECUE1C103KBQ 0.01 Q506 B1GBCFGN0005 TRANSISTOR(SI) C235 ECUE1A104KBQ Q507 B1GBCFGN0005 TRANSISTOR(SI) C236 F1J0J2260004...
  • Page 246 KX-MB2085CXW/KX-MB2090CXW Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks C400 F1H0J105A037 C531 F1J1A106A043 C401 F1H0J105A037 C533 ECUE1A104KBQ C402 F1H0J105A037 C534 ECUE1A104KBQ C403 F1H0J105A037 C535 ECJ0EB1H102K 0.001 C407 ECUE1H270JCQ C536 ECUE1A104KBQ...
  • Page 247 KX-MB2085CXW/KX-MB2090CXW Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks CN504 K1KA08A00498 CONNECTOR,8PIN R203 ERJ2GEJ104 100k CN505 K1KA08A00440 CONNECTOR,8PIN R204 ERJ2GEYJ683 CN506 K1KA03AA0193 CONNECTOR,3PIN R206 D0GA393JA021 CN508 K1KA10A00412 CONNECTOR,10PIN R207 ERJ2GEJ823...
  • Page 248 KX-MB2085CXW/KX-MB2090CXW Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks R318 D0GA470JA021 R432 ERJ2GEJ563 R319 ERJ2GEJ104 100k R433 ERJ2GEJ562X 5.6k R320 ERJ2RKF1212 12.1k R441 PQ4R18XJ472 4.7k R321 ERJ2GEJ103 R442 ERJ2GEJ473 R322...

  • Page 249: Main Board (Kx-Mb2090)

    KX-MB2085CXW/KX-MB2090CXW Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks R584 ERJ2RKF3301 3.3k RLY100 K6B1CYY00005 RELAY R601 ERJ2RKF1601 1.6k (VARISTORS) R602 ERJ2GEJ103 SA100 PFRZRA311P6T VARISTOR(SURGE ABSORBER) R603 D0GA474JA021 470k SA102 PFRZRA102P6T...
  • Page 250 KX-MB2085CXW/KX-MB2090CXW Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks Q611 DRC9143E0L TRANSISTOR(SI) C256 ECUE1C103KBQ 0.01 Q700 DRA9143Z0L TRANSISTOR(SI) C258 F1J0J2260004 Q701 B1GBCFGN0005 TRANSISTOR(SI) C270 ECUE1A104KBQ Q702 DRA9143Z0L TRANSISTOR(SI) C273 ECUE1A104KBQ...
  • Page 251 KX-MB2085CXW/KX-MB2090CXW Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks C447 ECUE1A104KBQ C553 ECJ0EB1H102K 0.001 C448 ECUE1A104KBQ C554 ECJ0EB1H102K 0.001 C449 ECUE1A104KBQ C556 F1G1H151A541 150p C450 ECUE1A104KBQ C565 ECJ0EB1A473K 0.047 C451...
  • Page 252 KX-MB2085CXW/KX-MB2090CXW Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks CN505 K1KA08A00440 CONNECTOR,8PIN R160 ERJ2GEJ562X 5.6k CN506 K1KA03AA0193 CONNECTOR,3PIN R161 ERJ2GEJ472X 4.7k CN508 K1KA10A00412 CONNECTOR,10PIN R203 ERJ2GEJ104 100k CN509 K1KA02AA0193 CONNECTOR,2PIN...
  • Page 253 KX-MB2085CXW/KX-MB2090CXW Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks R316 ERJ2GEJ103 R442 ERJ2GEJ473 R317 D0GA470JA021 R443 ERJ12YJ390H R318 D0GA470JA021 R495 ERJ3GEY0R00 R319 ERJ2GEJ104 100k R496 ERJ3GEY0R00 R320 ERJ2RKF1212 12.1k R497...

  • Page 254: Operation Board

    KX-MB2085CXW/KX-MB2090CXW Safety Ref. Part No. Part Name & Description Remarks Safety Ref. Part No. Part Name & Description Remarks R603 D0GA474JA021 470k RA413 EXB28V470JX RESISTOR ARRAY R604 ERJ2RKF4700X RA414 EXB28V470JX RESISTOR ARRAY R606 ERJ2GEJ473 RA500 EXB24V223JX RESISTOR ARRAY R607 ERJ8GEYJ2R7...

  • Page 255: Sensor Board Parts

    KX-MB2085CXW/KX-MB2090CXW 18.2.5.2. Fuser Board Safety Ref. Part No. Part Name & Description Remarks ERJ3GEYJ102 ERJ3GEYJ181 Safety Ref. Part No. Part Name & Description Remarks ERJ3GEYJ181 ERJ3GEYJ181 PCB4 PNLP2209RU-B FUSER BOARD ASS'Y (RTL) ERJ3GEYJ181 (CAPACITOR) ERJ3GEYJ181 ECUV1H102KBV 0.001 ERJ3GEYJ181 (CONNECTORS) ERJ3GEYJ181...

  • Page 256: Back Light Board

    KX-MB2085CXW/KX-MB2090CXW 18.2.8. Low Voltage Power Board Safety Ref. Part No. Part Name & Description Remarks (COIL) PQLQR2KB113T COIL Safety Ref. Part No. Part Name & Description Remarks (RESISTORS) ERJ3GEYJ472 4.7k PCB13 N0AC2GH00002 LOW VOLTAGE POWER BOARD ASS'Y (RTL) 18.2.5.7. ADF Sensor Board...
  • Page 257 Information The extract from an Operating Instructions.
  • Page 258 1. Introduction and Installation R To erase a character/number. 1.3 Button descriptions MFAXN R To switch to the fax mode (page 19, 39). ABC D EF 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).
  • Page 259 1. Introduction and Installation 1.4.2 Rear view 1.4 Overview 1.4.1 Front view 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 Top cover ADF (Automatic Document Feeder) cover Document guides...
  • Page 260 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.
  • Page 261 1. Introduction and Installation Open the top cover (H) by holding the indentations Install the drum and toner cartridge (L) by holding (I) on both sides of the unit. the tabs. When replacing the toner cartridge: R If the unit is in sleep mode, press a key to standby the unit for the next process.
  • Page 262 (page 4) and the inside of the unit (page 105, 108) when replacing the toner cartridge and/or drum cartridge. Note: R To ensure that the unit operates properly, we recommend the use of Panasonic toner cartridge and drum cartridge. See page 7 for accessory information. Waste disposal method Caution:...
  • Page 263 1. Introduction and Installation vary depending on the usage environment). Remove 1.6 Output tray the printed paper before the output tray becomes full. Insert the output tray extender (A) until it clicks into If the top part of the extender is detached place, and then press the centre part (B) of the extender 1.
  • Page 264 1. Introduction and Installation room at all times. If you print using moist paper, it may 1.7 Recording paper cause paper jam. The paper input tray unit can hold: Pull the paper input tray (A) until it clicks into place, –...
  • Page 265 1. Introduction and Installation Adjust the recording paper guides. Pinch the front Caution for the paper input tray side of the recording paper guide (D), then slide it to R Do not drop the paper input tray. match the paper size mark. Pinch the right side of the recording paper guide (E), then slide it to adjust the width to the size of the recording paper.
  • Page 266 1. Introduction and Installation Insert the paper, print-side down (B) until the unit grasps the paper and a single beep is heard. Note: R To print from the manual input tray; – when printing with the computer, select #2 for the printer properties.
  • Page 267 2. Preparation Network router/Network hub (not supplied) 2.1 Connections R Also connect networked computers. Designed to be used in Middle East, Asia, Tunisia 2. . Preparation LAN cable (not supplied) and Africa according to the location setting R To assure continued emission limit compliance, feature (KX-MB2085CX/KX-MB2090CX only).
  • Page 268 2. Preparation Minimum document size 2.5.2 Using the automatic document feeder 128 mm Maximum document size Insert the document (up to 20 pages) FACE UP into 216 mm the feeder until a single beep is heard. Adjust the width of the document guides (A) to fit the Effective scanning area actual size of the document.
  • Page 269 2. Preparation 2.6 Adjusting the volume 2.7 Date and time We recommend you to set the date and time. The other Important: party will receive your unit’s date and time as the header R Before adjusting the volume, set the operation information.
  • Page 270 2. Preparation 2.8 Your logo 2.9 Your fax number You can program your logo (name, company name, etc.) You can program your fax number so that it appears on so that it appears on the top of each page sent. the top of each page sent.
  • Page 271 For USB connection: 1. [Connect directly with a USB cable.] A [Next] Panasonic Multi-Function Station software enables the R The [Connect Device] dialogue box will appear. unit to carry out the following functions: – Printing on plain paper, thin paper and labels –...
  • Page 272 [Direct input] and enter the IP uninstall Multi-Function Station. address. [Start] A [All Programs] A [Panasonic] A the 3. [Next] unit’s name A [Uninstall]. Then follow the on-screen R You can change the name of the unit if necessary.
  • Page 273 10. Useful Information 10.5 Storing email address using 10.6 Handset unit the unit (KX-MB2090 only) Important: R Before installing or removing the handset unit, be sure to turn the power switch OFF. 10.5.1 Storing new email address items Connect the handset cord (A). You can register up to 30 email addresses.
  • Page 274 10. Useful Information Insert the tab (C) and rib (D). To remove the handset unit 1. Pull the handset unit slightly forward (A), then lift it in the direction of the arrow (B) to remove the rib. 2. Remove the tab (C), then disconnect the handset connector (D).
  • Page 275 10. Useful Information 3. Press M5N repeatedly to display any name with 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.
  • Page 276 The actual number of Thank you for purchasing a Panasonic fax machine. Things you should keep a record of Attach your sales receipt here.

This manual is also suitable for:

Kx-mb2090cxw

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