Panasonic KX-FP70CX Page 51 Service Manual Download | Manualshive

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51

KX-FP701CX/KX-FP702CX

[Surge Absorber Circuit]

This circuit is for absorbing surge voltage generated by the transformer.

[Control Circuit and Detecting Circuit]

The control circuit amplifies the output with increased voltage detected in the error detecting circuit. Then it drives the main tran-
sistor.
In this power supply, the duty ratio is defined by changing the ON period of the main transistor.
This is shown as follows.
When the output voltage of the 24V circuit increases, the current of the photo coupler PC101 increases, the pulse width of the
output control IC becomes narrower and the ON period of Q101 becomes shorter.

[Over Current Limiter (O.C.L)]

The highest drain current (Q101) is limited by a limiter circuit (IC101) of 24V. The 24V output is limited by this circuit.

[Over Voltage Circuit]

If the 24V output increases because the error detecting circuit or control circuit is broken, IC101 will recognize this signal and
output becomes 0V.

Dummy load method (to quickly check the power supply output)

Refer to

12.5.7.Power Supply Board Section

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Summary of Contents for KX-FP70CX

Page 1: ...1 KX FP701CX KX FP702CX ORDER NO KMF0708102CE Plain Paper Fax with Copier KX FP701CX KX FP702CX for Asia and Middle Near East ...

Page 2: ...2 Button Code Table 62 10 3 Print Test Pattern 63 11 Service Mode 64 11 1 Programing and Lists 64 11 2 The Example of the Printed List 68 12 Troubleshooting Guide 73 12 1 Troubleshooting Summary 73 12 2 Error Messages Display 74 12 3 Error Messages Report 76 12 4 Remote Programming 98 12 5 Troubleshooting Details 101 13 Service Fixture Tools 134 14 Disassembly and Assembly Instructions 135 14 1 DI...

Page 3: ...st to prevent the customer from being exposed to shock hazards 1 1 For Service Technicians ICs and LSIs are vulnerable to static electricity When repairing the following precautions will help prevent recurring malfunctions 1 Cover the plastic part s boxes with aluminum foil 2 Ground the soldering irons 3 Use a conductive mat on the worktable 4 Do not touch the IC or LSI pins with bare fingers 1 2 ...

Page 4: ...ller which are rotated by the document feed motor A gear rotates the two rollers Be careful not to touch them with your hands especially when the unit is operating 1 3 2 Live Electrical Sections All the electrical sections of the unit supplied with 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...

Page 5: ...harges accumulate on a person For instance clothes rubbing together can damage electric elements or change their electrical characteristics In order to prevent static electricity touch a metallic part that is grounded to release the static electricity Never touch the electrical sections such as the power supply unit etc ...

Page 6: ...rcise care while using higher temperature soldering irons Do not heat the PCB for too long time in order to prevent solder splash or damage to the PCB PbF solder will tend to splash if it is heated much higher than its melting point approximately 1100 F 600 C When applying PbF solder to double layered boards please check the component side for excess which may flow onto the opposite side See figur...

Page 7: ...om the chassis by design These will read infinity 4 If the measurement is outside the specified limits there is a possibility of a shock hazard 2 3 Battery Caution Danger of explosion if battery is incorrectly replaced Replace only with the same or equivalent type recommended by the man ufacturer Dispose of used batteries according to the manufacturer s instruction CAUTION The lithium battery is a...

Page 8: ...er Weight 60 g m2 to 90 g m2 KX FP701CX 64 g m2 to 80 g m2 KX FP702CX Transmission Speed 1 Approx 12 s page ECM MMR 2 Scanning Density Horizontal 8 pels mm Vertical 3 85 lines mm standard resolution 7 7 lines mm fine photo resolution 15 4 lines mm super fine resolution Photo Resolution 64 levels Scanner Type Contact Image Sensor Printer Type Thermal Transfer on plain paper Data Compression System ...

Page 9: ...dialing Voice muting Redialing function 106 station telephone directory with Phonebook Caller ID service This unit is compatible with the Caller ID service offered by your local telephone company To use this unit s Caller ID features you must subscribe to Caller ID service Important This unit is designed in accordance with the ETS Euro pean Telecommunication Standard and only supports the basic CL...

Page 10: ...10 KX FP701CX KX FP702CX 6 Technical Descriptions 6 1 Connection Diagram ...

Page 11: ...operations This memory is used mainly for the parameter working in the storage area 3 Dynamic RAM IC4 This memory is used mainly for the parameter working in the storage area 4 MODEM IC5 Performs the modulation and the demodulation for FAX communication 5 Read Section Contact Image Sensor CIS to read transmitted documents 6 Motor Driver IC401 IC402 Drives the transmission motor and the reception m...

Page 12: ...12 KX FP701CX KX FP702CX 6 2 1 General Block Diagram ...

Page 13: ...OUT GND KSTART KLATCH KSCLK KTXD KRXD TO CIS F1 FTG VIDEO OP RESET XRESETI XORESET XRESET XBACKEN IC3 RESET IC 3 3V BATT 2 5V BATT BATT 24MHz 32 768KHz TX RX TO Analog Board A 12 0 RBA 5 0 A 4 0 5V XRAS XCAS A 9 0 D 7 0 XRD XWR XRAS XCAS IC4 DRAM A 7 4 RBA 5 0 3 3V CN404 THLAT THC THDAT STB1 STB2 Q2 4 14 HEADON RXE TM REED PTOP COVER OPEN RXE RM0 3 TXE TM0 3 CN1 2 CN4 CN7 CISLEDON 32 256MHz 3 3V V...

Page 14: ...14 KX FP701CX KX FP702CX 6 3 2 Memory Map ...

Page 15: ...ntrols the document reading 6 IMAGE DATA RAM This memory is programmed into the ASIC and uses 8 KB for the image processing See Fig A 7 THERMAL HEAD I F Transmits the recorded data to the thermal head 8 MOTOR I F Controls the transmission motor which feeds the docu ment Controls the receiving motor which feeds the recording paper 9 OPERATION PANEL I F Serial interface with Operation Panel 10 I O P...

Page 16: ... O 3 3V OUTPUT PORT NOT USED 23 TXD IOP O 3 3V OUTPUT PORT FILMEND 24 RXD IOP O 3 3V OUTPUT PORT NOT USED 25 XRTS IOP O 3 3V OUTPUT PORT NOT USED 26 XCTS IOP O 3 3V OUTPUT PORT NOT USED 27 VDD 2 5V POWER SOURCE 2 5V 28 TONE1 A 3 3V TONE OUTPUT 29 TONE2 A 3 3V TONE OUTPUT 30 VOLUREF A 3 3V ANALOG REF VOLTAGE 31 VOLUOUT A 3 3V VOLUME OUTPUT 32 VOLUIN A 3 3V VOLUME INPUT 33 XNMI I 3 3V HIGH FIXED 34 ...

Page 17: ...RESS BUS 2 84 ADR3 O 3 3V CPU ADDRESS BUS 3 85 ADR4 O 3 3V CPU ADDRESS BUS 4 86 ADR5 O 3 3V CPU ADDRESS BUS 5 87 VSS GND POWER SOURCE GND 88 VDD 2 5V POWER SOURCE 2 5V 89 ADR6 O 3 3V CPU ADDRESS BUS 6 90 ADR7 O 3 3V CPU ADDRESS BUS 7 91 ADR8 O 3 3V CPU ADDRESS BUS 8 92 ADR9 O 3 3V CPU ADDRESS 9 93 ADR10 O 3 3V CPU ADDRESS 10 94 ADR11 O 3 3V CPU ADDRESS 11 95 ADR12 O 3 3V CPU ADDRESS 12 96 RBA0 O 3...

Page 18: ...RX MOTOR A PHASE 123 RM3 IOP I O 3 3V RX MOTOR B PHASE 124 RXE IOP O 3 3V RX MOTOR ENABLE 125 TMO O 3 3V TX MOTOR A PHASE 126 VDD 2 5V POWER SOURCE 2 5V 127 VSS GND POWER SOURCE GND 128 TM1 IOP O 3 3V TX MOTOR B PHASE 129 TM2 IOP O 3 3V TX MOTOR A PHASE 130 TM3 IOP O 3 3V TX MOTOR B PHASE 131 TXE IOP O 3 3V TX MOTOR ENABLE 132 KSTART O 3 3V OPERATION PANEL CONTROL 133 KLATCH O 3 3V OPERATION PANEL...

Page 19: ...ry power interruption a positive reset pulse of 50 70 msec is generated and the system is reset com pletely 2 The watch dog timer built in the ASIC IC1 is initialized by the CPU about every 1 5 ms When a watch dog error occurs pin 115 of the ASIC IC1 becomes low level The terminal of the WDERR signal is connected to the reset line so the WDERR signal works as the reset signal ...

Page 20: ...MEMORY IC6 2 RTC Inside IC1 Backup Circuit Operation When the power switch is turned ON power is supplied through Q7 to the RTC inside IC1 At this time the voltage at pin 14 of the IC1 is 2 5V When the power switch is turned OFF the BAT401 supplies power to RTC through D407 and Q505 The voltage at pin 14 of IC1 is about 2 2V When the power switch is OFF and the voltage of 3 3V decreases pin 14 of ...

Page 21: ...oint A In point C according to the voltage out put time the thermal head s temperature is detected After the thermal head temperature is converted to voltage in B it is then changed to digital data in the A D converter inside IC1 The CPU decides the strobe width of the thermal head according to this value Therefore this circuit can keep the ther mal head at an even temperature in order to stabiliz...

Page 22: ...arded as 1 Then via routes4 and 5 they are stored in RAM 4 The white black data stored as above via routes6 and8 is input to the P S converter The white black data converted to serial data in the P S converter is input to the Thermal Head via route9 and is printed out on recording paper Note Standard Reads 3 85 times mm Fine Reads 7 7 times mm Super Fine Reads 15 4 times mm Transmission 1 Same pro...

Page 23: ...23 KX FP701CX KX FP702CX 6 4 2 Block Diagram ...

Page 24: ...ister of the ICs The shift registers of the 9 ICs are connected in series and upon the shift of dot incre ment 1728 all the shift registers become filled with data and a latch pulse is emitted to each IC from IC1 pin 118 THLAT With this latch pulse all the contents of the shift registers are latched to the latch registers Thereafter through the addition of strobes from the IC1 pins 103 104 only bl...

Page 25: ...25 KX FP701CX KX FP702CX ...

Page 26: ...level and the transistor Q8 turns on This applies voltage to the LED array to light it The contact image sensor is driven by each of the FTG F1 signals output from IC1 and the original image illuminated by the LED array undergoes photoelectric conversion to output an analogue image signal AIN The analogue image signal is input to the system ASIC on AIN1 pin 3 of IC1 and converted into 8 bit data b...

Page 27: ...re output from ASIC IC1 pins 124 120 123 causing driver IC401 pins 16 13 to drive the Motor Coil The motor coil is energized sequentially in 2 phase increments which causes a 1 step rotation The timing chart is below Stepping Motor Drive Mode Function Mode Phase Pattern Speed Copy Fine Photo 1 2 432 pps t 1 432 Super Fine 1 2 216 pps t 1 216 FAX Receiving Standard Fine Photo 1 2 432 pps t 1 432 Su...

Page 28: ... about 70 80 msec pin 124 of ASIC IC1 becomes a low level and Q401 turns OFF and instead of 24 V 6 V is supplied through D401 so that the motor is held in place When the system is in the stand by mode all of the motor drive transistors turn OFF Consequently the motor current stops ...

Page 29: ...om ASIC IC1 pins 131 125 128 130 causing driver IC402 pins 16 13 to drive the Motor Coil The motor coil is energized sequentially in 2 phase increments which causes a 1 step rotation The timing chart is below Stepping Motor Drive Mode Function Mode Phase Pattern Speed Copy Fine Photo 1 2 432 pps t 1 432 Super Fine 1 2 216 pps t 1 216 FAX Sending Standard 1 2 432 pps t 1 432 Fine Photo 1 2 432 pps ...

Page 30: ...r suspends while it is in the sending mode about 70 80 msec pin 131 of ASIC IC1 becomes a low level and Q402 turns OFF When the system is in the stand by mode all of the motor drive transistors turn OFF Consequently the motor current stops ...

Page 31: ...ons Sensor Circuit Location Sensor Sensor or Switch Name Error Message Operation Panel SW337 Document top sensor REMOVE DOCUMENT SW338 Document set sensor CHECK DOCUMENT Sensor P C Board SW502 Cover Open sensor CHECK COVER SW501 Film Detection sensor FILM EMPTY CHECK FILM Analog Board SW101 Hook switch Interface Board PS401 Paper Top sensor PAPER JAMMED ...

Page 32: ...of IC301 6 pin Operation Board becomes a high level 6 5 2 Document Set Sensor SW338 When a document is set the SW turns ON and the input signal of IC301 9 pin Operation Board becomes a low level When there is no document the SW turns ON and the input signal of IC301 9 pin Operation Board becomes a high level SW Signal IC301 6 pin Out of the Read Position OFF High level At the Read Position ON Low ...

Page 33: ...and the input signal of IC1 102 pin becomes a low level 6 5 4 Cover Open Sensor SW502 When the u TURN BLOCK is closed the SW becomes ON and the input signal of IC1 131 pin Digital Board becomes a low level When the cover is opened the SW becomes OFF and the input signal of IC1 131 Digital Board pin becomes a high level Photo transistor Signal IC1 19 pin Recording paper top OFF High level No record...

Page 34: ...When the handset is lifted the switch turns ON and the signal at pin 43 of IC1 becomes low When the handset is returned the switch turns OFF and the signal at pin 43 of IC1 becomes high SW Signal IC1 43 pin ON Hook ON Low level OFF Hook OFF High level ...

Page 35: ...r permanent organizations of the International Telecommunications Union ITU investigates and make recommendations on international standards for facsimiles 2 Definition of Each Group Group I G1 Official A 4 size documents without using formats which reduce the band width of a signal are sent over telephone lines Deter mined in 1968 Transmission for about 6 minutes at a scanning line density of 3 8...

Page 36: ...me Transmission time consists of the following Control time This is time at the start of transmission when the functions at the sending and receiving sides are confirmed the transmission mode is established and transmission and reception are synchronized Image transmission time This is the time required for the transmission of document contents image data In general this time is recorded in the ca...

Page 37: ... data signals added to them Data signals are added to DIS and DCS signals Signal DIS Digital Identification Signal Identification Signal Format 00000001 Function Notifies the capacity of the receiving unit The added data signals are as follows Signal DCS Digital Command Signal Identification Signal Format X1000001 Example Some models do not support the following items Bit No DIS DTC DCS 1 Transmit...

Page 38: ...Maximum recording length capability A4 297 mm Unlimited A4 297 mm and B4 364 mm Invalid Maximum recording length A4 297 mm Unlimited B4 364 mm Invalid 21 22 23 0 0 0 0 0 1 0 1 0 1 0 0 0 1 1 1 1 0 1 0 1 1 1 1 Minimum scan line time capability of the receiver 20 ms at 3 85 l mm T7 7 T3 85 40 ms at 3 85 l mm T7 7 T3 85 10 ms at 3 85 l mm T7 7 T3 85 5 ms at 3 85 l mm T7 7 T3 85 10 ms at 3 85 l mm T7 7...

Page 39: ...eiving side optimizes the automatic equalizer etc according to this signal TCF Training Check Sends 0 continuously for 1 5 seconds at the same speed as the training signal CFR Confirmation to Receive X0100001 Notifies the sending side that TCF has been properly received If TCF is not properly received FTT Failure To Train X0100010 is relayed to the sender The sender then reduces the transmission s...

Page 40: ...40 KX FP701CX KX FP702CX b Redundancy Compression Process Coding Mode This unit uses one dimensional MH format ...

Page 41: ... the modem IC5 The signals that enter pin 47 of the modem IC5 are demodulated in the board to digital image signals then placed on the data bus In this case the image signals from the telephone line are transmitted serially Hence they are placed on the bus in 8 bit units Here the internal equalizer circuit reduces the image signals to a long distance receiving level This is designed to correct the...

Page 42: ...phone side break and switches to the tel line side make while OFF HOOK IC1 44 High Level CN7 15 High Level CN101 3 High Level Q106 ON RLY101 make 6 7 3 Bell Detection Circuit 1 Circuit Operation The signal waveform for each section is indicated below The signal low level section input to pin 19 of ASIC IC1 on the dig ital board is illustrated TEL LINE PC102 1 2 4 IC1 19 Bell 6 7 4 Pulse Dial Circu...

Page 43: ...sent to the reception system at 0dB The transmission signal is output from CN101 6 and transmitted to T101 via R114 If the side tone circuit is not applied the transmission signal will return to the reception amplifier via C108 and R109 When the side tone circuit is active the signal output from IC101 pin 1 passes through R113 C110 C109 and R110 and goes into the amplifier IC101 pin 3 This circuit...

Page 44: ... is modulated in an FSK Frequency Shift Keying format Data 0 is a 1200 Hz sine wave and data 1 a 2200 Hz sine wave There are two type of the message format which can be received i e the single data message format and multiple data mes sage format The multiple data format allows to transmit the name and data code information in addition to the time and telephone number data When there is multiple d...

Page 45: ... is processed with MODEM IC5 Refer to 12 5 6 1 Check Sheet for Signal Route P 124 for the route of Caller ID DTMF signal 6 8 ITS Integrated telephone System and Monitor Section 6 8 1 General The general ITS operation is performed by the special IC505 which has a handset circuit The alarm tone the key tone and the beep are output from the ASIC IC1 digital board During the pulse dial operation the m...

Page 46: ... transmitted and received voices to and from the handset 2 Signal path Refer to 12 5 6 1 Check Sheet for Signal Route P 124 6 8 4 Monitor Circuit for Each Signals 1 Function This circuit monitors various tones such as 1 DTMF tone 2 Alarm Beep Key tone Bell 2 Signal path Refer to 12 5 6 1 Check Sheet for Signal Route P 124 ...

Page 47: ...are controlled by the Gate Array IC301 and ASIC IC1 on the Digital BOARD The key matrix table is shown below Key Matrix CN301 CN1 IC1 ASIC LCD MODULE GATE ARRAY IC301 CN302 DOCUMENT TOP SW DOCUMENT SET SW 8x5 KEYS MATRIX DIGITAL BOARD OPERATION BOARD BLOCK DIAGRAM XLED9 10 KIN0 7 R320 AUTO ANSWER KSL0 4 LED2 LED301 5V CN404 INTERFACE BOARD CN2 ...

Page 48: ... crystal drive R310 R312 R313 and R329 are density control resistors Consequently in this unit the timing positive clock is generated by the LCD interface circuitry in the gate array IC301 DIsplay mode Density Normal Dark 2 lines X1 0 LED1 IC301 22pin H L XLED15 IC301 21pin L L XLED14 IC301 20pin Hi Z L X1 5 LED1 H H XLED15 Hi Z L XLED14 Hi Z Hi Z ...

Page 49: ... D103 and D104 and charges C106 to make DC voltage Then it supplies power to the converter circuit Kick on voltage circuit Bias is applied to the Q101 gate via this circuit when the AC power is turned on and Q101 begins operating A B Voltage Wave Form C D Voltage Wave Form E F G H Voltage Wave Form 0 0 0 Input Circuit AC Input Surge Absorber Circuit G H 24V E IC101 D110 R104 F 9 6V GND Control Cir...

Page 50: ...y transfer as follows L D1 Load L Then the power is supplied to the Load When Q1 is ON power is not output from the secondary side The output voltage is fed back in the control IC according to the error amp rectifier Then depending on how TON is controlled stabilization occurs Also when the current load becomes too large in order to decrease the voltage output the increase in is controlled and the...

Page 51: ...hen the output voltage of the 24V circuit increases the current of the photo coupler PC101 increases the pulse width of the output control IC becomes narrower and the ON period of Q101 becomes shorter Over Current Limiter O C L The highest drain current Q101 is limited by a limiter circuit IC101 of 24V The 24V output is limited by this circuit Over Voltage Circuit If the 24V output increases becau...

Page 52: ...ial the number 2 or more times To insert a pause during dialing 3 CALLER ID To use Caller ID features 4 MENU To start or exit programming 5 Navigator key PHONEBOOK VOLUME To adjust volume To search for a stored item 6 SET To store a setting during programming 7 AUTO ANSWER To turn the auto answer setting ON OFF 8 STOP To stop an operation or programming session To erase a character number 9 TONE T...

Page 53: ...id excessive heat or humidity Use the unit within the following ranges of temperature and humidity Ambient temperature 5 C to 35 C Relative humidity 20 to 80 without condensation Avoid direct sunlight Do not install near devices which contain magnets or gener ate magnetic fields Do not subject the unit to strong physical shock or vibration Keep the unit clean Dust accumulation can prevent the unit...

Page 54: ...ect an answering machine or a telepone Remove the stopper if attached Answering machine not included Note To avoid malfunction do not position the fax machine near appliances such as TVs or speakers which generate an intense magnetic field If any other device is connected to the same telephone line this unit may disturb the network condition of the device If you use the unit with a computer and yo...

Page 55: ... 4 Insert the blue gear of the ink film roll into the front left slot of the unit and the white gear of the ink film roll into the rear left slot of the unit The ink film is safe to touch and will not rub off on your hands like carbon paper Make sure the blue gear and white gear are installed as shown 5 Turn the blue gear in the direction of the arrow until the ink film is tight and at least one l...

Page 56: ...702CX 6 Close the back cover securely by pushing down on the dotted area at both ends 7 Close the front cover securely 8 4 Installing the Paper Tray Insert the tabs on the paper tray into the slots on the back of the unit ...

Page 57: ...t can hold up to 50 sheets of 64 g m2 to 80 g m2 paper 1 Fan the paper to prevent paper jams 2 Pull the tension plate forward and insert the paper gently print side down The paper should not be over the tab If the paper is not inserted correctly remove all of the installed paper and re install it gently Otherwise the paper may jam Note Remove all of the installed paper before adding paper ...

Page 58: ...ace Paper with a faint image Paper with printing on the opposite side that can be seen through the other side such as newsprint Check that ink paste or correction fluid has dried com pletely To send a document with a width of less than 210 mm we recommend using a copy machine to copy the original docu ment onto A4 or letter sized paper than sending the copied document 9 Operation Instructions 9 1 ...

Page 59: ...ess to move the cursor to the next space To enter your logo Example BILL 1 Press 2 2 times 2 Press 4 3 times 3 Press 5 3 times 4 Press to move the cursor to the next space and press 5 3 times To correct a mistake Press or to move the cursor to the incorrect char acter and make the correction To erase all of the characters press and hold STOP ...

Page 60: ... 43 Copy Press STOP button to quit SET LED CHECK Service Mode 5 5 7 All LEDs above the operation panel board flash on and off or are illuminated SET LCD CHECK Service Mode 5 5 8 Checks the LCD indication Illuminates all the dots to check if they are normal SET KEY CHECK Service Mode 5 6 1 Checks the button operation except STOP key Indicates the button code on the LCD while the button is pressed R...

Page 61: ...et to OFF 2 the 12 keys and transmission fre quencies are as shown Note After performing this check do not forget to turn the setting off Otherwise dialing in DTMF signal will not work key High Frequency Hz key Low Frequency Hz 1 697 5 1209 2 770 6 1336 3 852 7 1477 4 941 8 1633 High Hz 1209 1336 1477 Low Hz 697 1 2 3 770 4 5 6 852 7 8 9 941 0 ...

Page 62: ...0 NO INPUT 64 STATION1 31 1 STOP 65 STATION2 32 2 04 FAX START 66 STATION3 33 3 06 COPY 67 STATION4 34 4 08 MONITOR 68 STATION5 35 5 09 BROADCAST 69 STATION6 36 6 0A MUTE 37 7 0C AUTO ANSWER 38 8 0D SET 39 9 1E 3A 0 1F 3B 20 MENU 3C 3D REDIAL PAUSE 25 VOLUME 3E FLASH 26 VOLUME 47 CALLER ID ...

Page 63: ...63 KX FP701CX KX FP702CX 10 3 Print Test Pattern 1 Platen roller 2 Left margin Top margin 3 Thermal head 1 dot 4 Use this test pattern to confirm the torque limiter for Ink film and platen roller timing ...

Page 64: ...he normal programs are those listed in the Operating Instructions and are available to the user The special programs are only those listed here and not displayed to the user In both the User and Ser vice Modes there are Set Functions and Test Functions The Set Functions are used to program various features and functions and the Test Functions are used to test the various functions The Set Function...

Page 65: ...ts whether to monitor the line signal with the unit s speaker during FAX communication or not 554 Modem test See 10Test Mode P 60 555 Scan check See 10Test Mode P 60 556 Motor test 0 See 10Test Mode P 60 557 LED test See 10Test Mode P 60 558 LCD test See 10Test Mode P 60 559 Document jam detection select 1 ON 2 OFF 1 2 1 Sets whether or not to detect a paper jam If a docu ment with a length longer...

Page 66: ... there is a transmit problem P 91 and 12 3 2 1 6 The unit can copy but the transmission and reception image are incorrect P 96 718 Receive speed selection 1 9600BPS 2 7200BPS 3 4800BPS 4 2400BPS 1 4 1 Adjusts the speed to start training during FAX transmis sion Refer to 12 3 2 1 3 Receive Problem P 91 and 12 3 2 1 6 The unit can copy but the transmission and reception image are incorrect P 96 722 ...

Page 67: ...tion 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 68: ...68 KX FP701CX KX FP702CX 11 2 The Example of the Printed List 11 2 1 User Mode 11 2 1 1 KX FP701CX Note The above values are the default values ...

Page 69: ...69 KX FP701CX KX FP702CX 11 2 1 2 KX FP702CX Note The above values are the default values ...

Page 70: ...70 KX FP701CX KX FP702CX 11 2 2 Service Mode Settings 11 2 2 1 KX FP701CX Note The above values are the default values 11 2 2 2 KX FP702CX Note The above values are the default values ...

Page 71: ...71 KX FP701CX KX FP702CX 11 2 3 History Note See the following descriptions of this report Item No 1 44 are corresponding to the listed items in 11 2 3 1 Descriptions of the History Report P 72 ...

Page 72: ...19 RECEIVE REDUCTION The compression rate when receiving 20 SETTING NO OF DIRECTORY The recorded directory stations 21 NUMBER OF COPY The number of pages copied 22 NUMBER OF RECEIVE The number of pages received 23 NUMBER OF SENDING The number of pages sent 24 NUMBER OF CALLER ID The number of times Caller ID was received 25 NUMBER OF RECORDING MESSAGE The number of messages recorded in TAM 26 29 N...

Page 73: ... lever paper thickness lever is set correctly and the paper is set correctly without any slack 2 Before troubleshooting first check that the connectors and cables are connected correctly not loose If the problem occurs randomly check it very carefully 3 When connecting the AC power cord with the unit and checking the operation exercise utmost care when handling electric parts in order to avoid ele...

Page 74: ...ons to print out the document Received documents are stored in memory due to a lack of recording paper a lack of ink film or a recording paper jam Install paper install ink film or remove the jammed paper You will lose all faxes in memory if the power is removed Check with power connected Refer to 8 6 Installing the Recording Paper P 57 and 8 3 Installing the Ink Film P 55 and 15 3 1 Recording Pap...

Page 75: ...phonebook Erase unnecessary items The unit is checking that there is no slack or crease in the ink film Wait for a moment while the check is completed The other party s fax machine does not offer the polling func tion Check with the other party The other party s fax machine is busy or has run out of recording paper Try again The document is jammed Remove the jammed document Refer to 15 3 2 Documen...

Page 76: ...eived after transmission of a 2400BPS training signal 3 43 COMMUNICATION 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 transmitte...

Page 77: ...77 KX FP701CX KX FP702CX Countermeasure ...

Page 78: ...78 KX FP701CX KX FP702CX REFERENCE 10Test Mode P 60 ...

Page 79: ...79 KX FP701CX KX FP702CX REFERENCE 10Test Mode P 60 ...

Page 80: ...80 KX FP701CX KX FP702CX REFERENCE 10Test Mode P 60 ...

Page 81: ...81 KX FP701CX KX FP702CX REFERENCE 10Test Mode P 60 ...

Page 82: ...82 KX FP701CX KX FP702CX ...

Page 83: ...83 KX FP701CX KX FP702CX ...

Page 84: ...84 KX FP701CX KX FP702CX REFERENCE 10Test Mode P 60 ...

Page 85: ...u basic information about a communication but the other two journal reports provide different information on the same item communication 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 9 6 kbps RESOLU...

Page 86: ...e was received in memory due to PAPER OUT error NO RESPONSE DISAPPEARED ON JOURNAL The NO RESPONSE DISAPPEARED ON JOURNAL displays the information about the last 10 communications terminated by No Response Some of the communications terminated by No Response were not displayed in the JOURNAL When a fax transmission cannot be performed because the other party s unit is set to the TEL mode No respon...

Page 87: ...ns Minimum Scan Line Time Used only at the factory 8 EQM 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 1 3 Printout Example ...

Page 88: ...88 KX FP701CX KX FP702CX ...

Page 89: ...it can copy documents 12 3 2 1 3 Receive Problem P 92 Problem with the service line or with the transmitter s fax 4 The fax completely fails to transmit or receive The unit can copy documents 12 3 2 1 4 The unit can copy but cannot transmit receive P 93 Problem with the electric circuit 5 The fax fails either to transmit or receive when making a long distance or an international call The unit can ...

Page 90: ...3 2 1 1 Transmit Problem REFERENCE 1 12 5 8 Operation Panel Section P 129 2 12 5 4 ADF Auto Document Feed Section P 104 3 15Maintenance P 152 4 14 2 13 HOW TO REMOVE THE MOTOR BLOCK AND SEPARATION ROLLER P 149 5 14 2 3 HOW TO REMOVE THE OPERATION BOARD AND LCD P 139 ...

Page 91: ...91 KX FP701CX KX FP702CX 12 3 2 1 2 Sometime there is a transmit problem Note 596 Transmit level set represents a service code Refer to 11 1 3 Service Function Table P 65 ...

Page 92: ... due to the software related problems such as OUT OF PAPER when the fax switches to the memory receiving mode and the memory capacity becomes full of the unprintable data In this case error mes sages MEMORY FULL and its main cause for example CHECK PAPER are displayed on the LCD Once you solve the main problem MEMORY FULL will be cancelled and the reception problem will be resolved LCD display mes...

Page 93: ...93 KX FP701CX KX FP702CX 12 3 2 1 4 The unit can copy but cannot transmit receive REFERENCE 1 10Test Mode P 60 2 12 5 6 Analog Board Section P 124 ...

Page 94: ...arty should be called manually if possible Another possibility is entering two pauses at the end of the auto dial number on the transmission side Then the count start time can be delayed for 2 pauses about 10 sec Cause 2 Erroneous detection because of an echo or an echo canceler Echo Echo Canceler The signal from FAX1 reaches FAX2 via stations 1 and 2 but the reflection signal at station 2 also re...

Page 95: ...Change the regular rime of 75 msec between the CED signal and DIS signal to 500 msec This will give at least 250 msec to recover the echo canceler operation Refer to Fig c Service code 593 Time between CED and 300 bps Sending side The sending side FAX sends a DCS signal not after receiving the 1st DIS signal but after receiving the 2nd DIS signal Refer to Fig d Service code 594 Overseas DIS detect...

Page 96: ...he other FAX unit and the line conditions The countermeasures for this unit are shown below Transmission Operation Set the transmitting speed to 4800BPS service mode code No 717 or select the overseas mode Reception Operation If 80 or more of the reception is incorrect set the receiving speed to 4800BPS Service mode code No 718 Refer to 11 1 3 Service Function Table P 65 TX side signal RX side sig...

Page 97: ...ume control setting Refer to the PC instruction book 2 Start up the PC software SOUND RECORDER This software is bundled to Windows OS which can create WAV file Set the audio format PCM 22 050kHz 8bit mono 3 Click the record button and start recording after acquisition the signal Note Not to be wind wave patterns on the wave monitor Please compress the recording data when you send attaching to E Ma...

Page 98: ...omer 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 12 4 1 Entering the Remote Programming Mode and Changing Service Codes P 98 Also before exiting the remote programming mode it is advisable to obtain a new list to con firm that the changes were made correctly Hints Since the connected telephone is ...

Page 99: ...K 076 Connecting tone 1 ON 2 OFF ON OK 078 TEL FAX delayed ring 1 9 2 OK 080 Set default YES NO NO NG 501 Pause time set 001 600 x 100msec 030 x 100msec OK 503 Dial speed 1 10pps 2 20 pps 10pps OK 514 Bell detection time 1 9 100msec 6 100msec OK 520 CED frequency select 1 2100Hz 2 1100Hz 2100Hz OK 521 International mode select 1 ON 2 OFF ON OK 522 Auto standby select 1 ON 2 OFF ON OK 523 Receive e...

Page 100: ...lect 1 9600 2 7200 3 4800 4 2400 9600bps OK 722 Redial tone detect 1 ON 2 OFF ON OK 745 Power on film feed 1 ON 2 OFF ON OK 763 CNG detect time for friendly reception 1 10s 2 20s 3 30s 30s OK 773 DIS DCS interval 1 500msec 2 200msec 200ms OK 774 T4 timer 00 99 x 100ms 00ms OK 815 Sensor VOX test NG 852 Print test pattern NG 853 Top margin 1 9 mm 5 OK 861 Paper size 1 A4 2 LETTER A4 OK 874 DTMF ON ...

Page 101: ... 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 12 5 3 1 Simple Check List P 103 Difficult problems may be hard to determine so repeated ...

Page 102: ...xpanded See 12 5 4 10 Received or Copied Data is Expanded P 111 A black page is copied See 12 5 4 11 A Blank Page is Copied P 112 A blank page is received See 12 5 4 12 A Blank Page is Received P 114 Black or white vertical line See 12 5 4 13 Black or White Vertical Line P 114 Black or white lateral line on print out See 12 5 4 14 Black or White Lateral Line on Print Out P 115 An abnormal image is...

Page 103: ...G MONITOR OK NG Ringer sound OK NG Dial operation OK NG Volume operation OK NG Operation Panel Key check OK NG Service code 561 Refer to 10Test Mode P 60 LED check OK NG Service code 557 Refer to 10Test Mode P 60 LCD check OK NG Service code 558 Refer to 10Test Mode P 60 Sensor Sensor check OK NG Service code 815 Refer to 10Test Mode P 60 Clock Display changing OK NG Is the time kept correctly Che...

Page 104: ...ER P 140 2 14 2 15 INSTALLATION POSITION OF THE LEAD WIRES P 151 3 14 2 13 HOW TO REMOVE THE MOTOR BLOCK AND SEPARATION ROLLER P 149 4 10Test Mode P 60 5 14 2 14 HOW TO REMOVE THE GEARS OF MOTOR BLOCK P 150 6 6 4 5 Stepping Motor Drive Circuit RX P 27 7 12 5 5 Digital Board Section P 117 8 12 5 9 Sensor Section P 130 9 12 5 7 Power Supply Board Section P 126 ...

Page 105: ...01CX KX FP702CX 12 5 4 2 Document Jam REFERENCE 1 14Disassembly and Assembly Instructions P 135 2 10Test Mode P 60 3 14 2 4 HOW TO REMOVE THE SEPARATION HOLDER AND EXIT ROLLER P 140 4 12 5 9 Sensor Section P 130 ...

Page 106: ...er P 57 2 14 2 13 HOW TO REMOVE THE MOTOR BLOCK AND SEPARATION ROLLER P 149 3 14Disassembly and Assembly Instructions P 135 4 14 2 4 HOW TO REMOVE THE SEPARATION HOLDER AND EXIT ROLLER P 140 5 15Maintenance P 152 Note When confirming if the characters are extended or distorted or if the feed problem is occurred use this test chart format Refer to 16 3 3 Test Chart P 170 ...

Page 107: ... 1 15 1 Maintenance Items and Component Locations P 152 2 14Disassembly and Assembly Instructions P 135 3 14 2 5 HOW TO REMOVE THE IMAGE SENSOR CIS P 141 4 7 1 Overview P 52 5 We recommend making a copy of the test chart in 16 3 3 Test Chart P 170 and using it ...

Page 108: ...44 3 12 5 7 Power Supply Board Section P 126 4 10Test Mode P 60 5 14 2 11 HOW TO REMOVE THE DIGITAL ANALOG SENSOR BOARDS P 147 6 14 2 14 HOW TO REMOVE THE GEARS OF MOTOR BLOCK P 150 7 14 2 7 HOW TO REMOVE THE PLATEN ROLLER AND BACK COVER P 143 8 12 5 5 Digital Board Section P 117 9 We recommend making a copy of the test chart in 16 3 3 Test Chart P 170 and using it ...

Page 109: ...aper Jam REFERENCE 1 15 3 Jams P 159 2 15 1 Maintenance Items and Component Locations P 152 3 14Disassembly and Assembly Instructions P 135 4 10Test Mode P 60 5 6 5 Sensors and Switches P 31 6 14 2 8 HOW TO REMOVE THE PICKUP ROLLER P 144 ...

Page 110: ...CKUP ROLLER P 144 12 5 4 8 The Sent Fax Data is Skewed REFERENCE 1 We recommend making a copy of the test chart in 16 3 3 Test Chart P 170 and using it 2 12 5 4 4 Document Skew P 107 12 5 4 9 The Received Fax Data is Skewed REFERENCE 1 We recommend making a copy of the test chart in 16 3 3 Test Chart P 170 and using it 2 12 5 4 7 Recording Paper Multiple Feed and Skew P 110 ...

Page 111: ...CE 1 15 4 1 Document feeder recording paper feeder scanner glass cleaning P 161 2 14Disassembly and Assembly Instructions P 135 3 14 2 4 HOW TO REMOVE THE SEPARATION HOLDER AND EXIT ROLLER P 140 4 We recommend making a copy of the test chart in 16 3 3 Test Chart P 170 and using it ...

Page 112: ...Page is Copied REFERENCE 1 10Test Mode P 60 2 6 4 3 Thermal Head P 24 3 14 2 6 HOW TO REMOVE THE THERMAL HEAD P 142 4 We recommend making a copy of the test chart in 16 3 3 Test Chart P 170 and using it 5 12 5 4 12 A Blank Page is Received P 114 ...

Page 113: ...113 KX FP701CX KX FP702CX ...

Page 114: ... Copied P 112 12 5 4 13 Black or White Vertical Line REFERENCE 1 We recommend making a copy of the test chart in 16 3 3 Test Chart P 170 and using it 2 15 1 Maintenance Items and Component Locations P 152 3 15 4 1 Document feeder recording paper feeder scanner glass cleaning P 161 4 15 4 2 Thermal Head Cleaning P 162 5 14 2 6 HOW TO REMOVE THE THERMAL HEAD P 142 ...

Page 115: ...4 HOW TO REMOVE THE GEARS OF MOTOR BLOCK P 150 3 14 2 15 INSTALLATION POSITION OF THE LEAD WIRES P 151 4 14Disassembly and Assembly Instructions P 135 5 We recommend making a copy of the test chart in 16 3 3 Test Chart P 170 and using it 6 12 5 4 11 A Blank Page is Copied P 112 7 12 5 5 Digital Board Section P 117 ...

Page 116: ... An Abnormal Image is Printed REFERENCE 1 10Test Mode P 60 2 12 5 6 1 Check Sheet for Signal Route P 124 3 14 2 6 HOW TO REMOVE THE THERMAL HEAD P 142 4 We recommend making a copy of the test chart in 16 3 3 Test Chart P 170 and using it ...

Page 117: ...LASH 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 particularly for ASIC and RA Resistor Array But if you have an oscilloscope you can easily determine the problem site ...

Page 118: ...p the system Those signal lines should remain normal Other signal lines are not directly related to that failure even if they have faults or troubles As long as these signals remain normal once the power is turned on each IC can repeatedly output 3 3V H and 0V L The following shows NG and normal wave patterns NG Wave pattern Refer to NG EXAMPLE ...

Page 119: ... even slightly delayed the circuit will not work Nor will it if the IC is defective and the output voltage level is not normal although the timing of these signals is accurate enough to meet the specifications Make sure that your oscilloscope is calibrated before starting a test Therefore it is imperative to confirm whether each IC outputs the signal at the correct level See the I O Pin No Diagram...

Page 120: ...120 KX FP701CX KX FP702CX I O and Pin No Diagram ...

Page 121: ...e ASIC initializes and checks each IC The ROM DRAM and modem are checked If initialization fails for the ICs the system will not boot up In this case please find the cause as follows REFERENCE 12 5 5 2 NG Example P 123 12 5 7 Power Supply Board Section P 126 ...

Page 122: ...122 KX FP701CX KX FP702CX Other NG example while the power is ON and the LCD displays the following ...

Page 123: ...123 KX FP701CX KX FP702CX 12 5 5 2 NG Example ...

Page 124: ...set 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 Handset trace that signal route locally with the following Check Sheet and locate the fau...

Page 125: ... 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 12 5 6 1 Check Sheet for Signal Route P 124 is useful for this investigation 2 No pulse dialing 3 No ring tone or No bell REFERENCE 12 5 6 1 Check Sheet for Signal...

Page 126: ...ng surge voltage test withstanding 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 locate 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 in the primary si...

Page 127: ...127 KX FP701CX KX FP702CX 12 5 7 2 Troubleshooting Flow Chart ...

Page 128: ...104 F101 Q101 The worst case of Q101 is a short circuit between the Drain and Gate because damage expands to the peripheral circuit of Q101 This is due to a very high voltage through the Gate circuit which is composed of R110 R112 D107 and IC101 You should change all of the parts listed as follows F101 Q101 R110 R112 D107 IC101 D201 If D201 is broken the oscillation circuit in the power supply can...

Page 129: ...01CX KX FP702CX 12 5 8 Operation Panel Section 12 5 8 1 No Key Operation REFERENCE 1 10Test Mode P 60 12 5 8 2 No LCD Indication REFERENCE 1 10Test Mode P 60 2 14 2 2 HOW TO REMOVE THE OPERATION PANEL BLOCK P 138 ...

Page 130: ...ead position sensor recording paper sensor and jam sensor are turned ON OFF by the copy operation Therefore each sensor can be checked for proper mechanical operation As for the electric check check whether each voltage is right or not with following flowchart turning each sensor lever ON OFF man ually 12 5 9 1 Check the Document Top Sensor SW337 REMOVE DOCUMENT 12 5 9 2 Check the Document Set Sen...

Page 131: ...131 KX FP701CX KX FP702CX 12 5 9 5 Check the HOOK Switch SW101 ...

Page 132: ...132 KX FP701CX KX FP702CX 12 5 10 CIS Contact Image Sensor Section REFERENCE 1 10Test Mode P 60 Refer to 6 4 4 Scanning Block P 26 ...

Page 133: ...133 KX FP701CX KX FP702CX 12 5 11 Thermal Head Section Note Refer to 6 4 3 Thermal Head P 24 ...

Page 134: ...134 KX FP701CX KX FP702CX 13 Service Fixture Tools ...

Page 135: ... 137 A 2 14 2 2 HOW TO REMOVE THE OPERATION PANEL BLOCK P 138 A 3 14 2 3 HOW TO REMOVE THE OPERATION BOARD AND LCD P 139 A 4 14 2 4 HOW TO REMOVE THE SEPARATION HOLDER AND EXIT ROLLER P 140 A 5 14 2 5 HOW TO REMOVE THE IMAGE SENSOR CIS P 141 A 6 14 2 6 HOW TO REMOVE THE THERMAL HEAD P 142 A 7 14 2 7 HOW TO REMOVE THE PLATEN ROLLER AND BACK COVER P 143 A 8 14 2 8 HOW TO REMOVE THE PICKUP ROLLER P 1...

Page 136: ...PAPER SUPPORT P 137 B 1 14 2 10 HOW TO REMOVE THE BOTTOM FRAME P 146 B 2 14 2 11 HOW TO REMOVE THE DIGITAL ANALOG SENSOR BOARDS P 147 B 3 14 2 12 HOW TO REMOVE THE POWER SUPPLY BOARD AND AC CORD P 148 B 4 14 2 13 HOW TO REMOVE THE MOTOR BLOCK AND SEPARATION ROLLER P 149 B 5 14 2 14 HOW TO REMOVE THE GEARS OF MOTOR BLOCK P 150 ...

Page 137: ...137 KX FP701CX KX FP702CX 14 2 DISASSEMBLY PROCEDURE 14 2 1 HOW TO REMOVE THE PAPER TRAY AND RECORDING PAPER SUPPORT ...

Page 138: ...138 KX FP701CX KX FP702CX 14 2 2 HOW TO REMOVE THE OPERATION PANEL BLOCK ...

Page 139: ...139 KX FP701CX KX FP702CX 14 2 3 HOW TO REMOVE THE OPERATION BOARD AND LCD ...

Page 140: ...140 KX FP701CX KX FP702CX 14 2 4 HOW TO REMOVE THE SEPARATION HOLDER AND EXIT ROLLER ...

Page 141: ...141 KX FP701CX KX FP702CX 14 2 5 HOW TO REMOVE THE IMAGE SENSOR CIS ...

Page 142: ...142 KX FP701CX KX FP702CX 14 2 6 HOW TO REMOVE THE THERMAL HEAD ...

Page 143: ...143 KX FP701CX KX FP702CX 14 2 7 HOW TO REMOVE THE PLATEN ROLLER AND BACK COVER ...

Page 144: ...144 KX FP701CX KX FP702CX 14 2 8 HOW TO REMOVE THE PICKUP ROLLER ...

Page 145: ...145 KX FP701CX KX FP702CX 14 2 9 HOW TO REMOVE THE CASSETTE LEVER ...

Page 146: ...146 KX FP701CX KX FP702CX 14 2 10 HOW TO REMOVE THE BOTTOM FRAME ...

Page 147: ...147 KX FP701CX KX FP702CX 14 2 11 HOW TO REMOVE THE DIGITAL ANALOG SENSOR BOARDS ...

Page 148: ...148 KX FP701CX KX FP702CX 14 2 12 HOW TO REMOVE THE POWER SUPPLY BOARD AND AC CORD ...

Page 149: ...149 KX FP701CX KX FP702CX 14 2 13 HOW TO REMOVE THE MOTOR BLOCK AND SEPARATION ROLLER ...

Page 150: ...150 KX FP701CX KX FP702CX 14 2 14 HOW TO REMOVE THE GEARS OF MOTOR BLOCK ...

Page 151: ...151 KX FP701CX KX FP702CX 14 2 15 INSTALLATION POSITION OF THE LEAD WIRES ...

Page 152: ...ing and communication testing to determine if the problem originates from the transmitter receiver or the telephone line 4 Determine causes Determine the causes of the equipment problem by trouble shooting 5 Equipment repairs Repair or replace the defective parts and take appropriate measures at this stage to ensure that the problem will not recur 6 Confirm normal operation of the equipment After ...

Page 153: ...he sensors See 15 1 2 Maintenance Check Items Compo nent Locations P 152 and 14 2 11 HOW TO REMOVE THE DIGITAL ANALOG SENSOR BOARDS P 147 6 Glass If the glass is dirty clean them with a dry soft cloth Refer to 15 4 1 Document feeder recording paper feeder scanner glass cleaning P 161 7 Abnormal wear and tear or loose parts Replace the part Check if the screws are tight on all parts No Item Cleanin...

Page 154: ...power in each mode See Sensor Location in 6 5 Sensors and Switches P 31 15 2 1 1 TRANSMIT MODE The TX MOTOR rotate CCW and conveys its power to the document separation roller gear and document Exit Roller Gear 15 2 1 2 PAPER PICK UP AND PAPER EXIT MODE The RX MOTOR rotate CCW and swing Gear B engages Gear C and conveys its power to the Pickup Roller Gear The Swing Gear B engages Gear D and conveys...

Page 155: ...d Swing Gear B engages Gear F and conveyers its power to Platen Roller Gear and Ink Film Driver Gear The Swing Gear B engages Gear E and conveys its power to the Exit Roller Gear 15 2 1 4 COPY MODE RX side Paper Pickup mode Print mode Paper Exit mode TX side Transmit mode ...

Page 156: ...702CX 15 2 2 Mechanical Movements in the Main Operations transmitting documents receiving faxes and copying 15 2 2 1 Idle Status Note See Sensor Locations in 6 5 Sensors and Switches P 31 CW clockwise CCW counterclockwise ...

Page 157: ...157 KX FP701CX KX FP702CX 15 2 2 2 Transmitting Documents REFERENCE 12 5 9 Sensor Section P 130 15 2 2 3 Receiving Fax Note See Sensor Locations in 6 5 Sensors and Switches P 31 ...

Page 158: ...158 KX FP701CX KX FP702CX 15 2 2 4 Copying Note See Sensor Locations in 6 5 Sensors and Switches P 31 REFERENCE 12 5 9 Sensor Section P 130 ...

Page 159: ...he front cover by pulling up the centre part 2 Release the back cover by pushing the green button You can also release the back cover by pushing in the green lever 3 Open the back cover 4 Remove the jammed recording paper 5 Turn the blue gear in the direction of the arrow until the ink film is tight and at least one layer of ink film is wrapped around the blue core ...

Page 160: ... both ends then close the front cover securely 15 3 1 2 When the recording paper was not fed into the unit properly The display will show the following Remove the recording paper and straighten Pull the tension plate forward and hold open while inserting paper then press SET to clear the message ...

Page 161: ... Clean the document feeder scanner glass when Documents or recording paper frequently misfeed Smudges or black white lines appear on the original doc ument when sending or copying 1 Disconnect the power cord and the telephone line cord 2 Open the front cover by pulling up the centre part 3 Clean the document feeder rollers and rubber flap with a cloth moistened with isopropyl rubbing alco hol and ...

Page 162: ...al Head Cleaning If smudges or black white lines appear on a copied received document check whether there is dust on the thermal head Clean the thermal head to remove the dust 1 Disconnect the power cord and the telephone line cord 2 Open the front cover by pulling up the centre part 3 Release the back cover by pushing the green button You can also release the back cover by pushing in the green le...

Page 163: ...ng alcohol and let it dry thoroughly Caution To prevent a malfunction due to static electricity do not use a dry cloth and do not touch the thermal head directly 6 Re install the ink film and close the covers 7 Insert the recording paper gently 8 Connect the power cord and the telephone line cord ...

Page 164: ...164 KX FP701CX KX FP702CX 16 Miscellaneous 16 1 Terminal Guide of the ICs Transistors and Diodes 16 1 1 Digital Board 16 1 2 Analog Board 16 1 3 Operation Board ...

Page 165: ...165 KX FP701CX KX FP702CX 16 1 4 Power Supply Board 16 1 5 Interface Board ...

Page 166: ...il Flux Recommended Flux Specific Gravity 0 82 Type RMA lower residue non cleaning type Note See 2 1 About Lead Free Solder PbF Pb free P 6 16 2 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 167: ...racy 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 16 2 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 168: ...168 KX FP701CX KX FP702CX 16 3 Test Chart 16 3 1 ITU T No 1 Test chart ...

Page 169: ...169 KX FP701CX KX FP702CX 16 3 2 ITU T No 2 Test Chart ...

Page 170: ...170 KX FP701CX KX FP702CX 16 3 3 Test Chart ...

Page 171: ...171 KX FP701CX KX FP702CX MEMO ...

Page 172: ...1 1k R11 36k R12 2 5VD DG 100k R18 24VA DG 2 5VD 50 1n C18 DG RB6 3 3VD DG DG 16 100n C39 CA13 1 2 3 4 A0 A1 A2 A3 A7 A4 A6 A5 RB0 RB1 A11 A8 A12 RB2 A10 A9 RB4 RB5 RB3 3 3VD CN1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 10k RA5 1 2 3 4 4 7k R8 DG 3 3VD 16 100n C116 16 100n C117 100 R16 Q2 B C E Q4 B C E R17 NC 6 3 47u C12 DG 5VA 22k RA12 1 2 3 4 RD WR Q14 B C E A 0 A 1 A 2 A 3 A 4 A 5 A 6 A 7 ...

Page 173: ...7 8 10 100n C6 50 1n C9 DG DG 16 100n C40 Q7 1 3 2 4 7M R40 330k R39 DG DG 3 3V BATIN 2 5V BATIN 3 3V BAT 2 5V BAT 1 P12 DQ2 AN2 2 P13 DQ3 AN3 3 P14 DQ4 AN4 4 P15 DQ5 AN5 5 P16 DQ6 AN6 6 P17 DQ7 AN7 7 CNVSS 8 RESET 9 VCCE 10 VREF 11 VSS 12 XIN 13 XOUT 14 VCC 15 CNVSS2 16 P60 LED0 17 P61 LED1 18 P62 LED2 19 P63 LED3 20 PVSS 21 PVCC 22 DVCC 23 USBVREF 24 TrON 25 D0 26 D0 27 P20 28 P21 29 P22 30 P23 ...

Page 174: ...A 50 10p C84 50 10p C61 0 R92 CN6 1 2 47k R87 3 3VD D0 D1 D2 D3 D7 D5 D4 D6 10 100n C81 10k R70 3 2 1 3 2 1 5 6 7 5 6 7 4 V 8 V 4 V 8 V 1 IO1 2 OI1 3 OI2 4 IO2 5 CONT2 6 CONT3 7 VSS 8 IO3 9 OI3 10 OI4 11 IO4 12 CONT4 13 CONT1 14 VDD 2 7k R53 1 8k R55 50 2 2n C52 820k R50 27k R49 1M R51 50 2 2n C57 50 2 2n C58 NC 50 68p C63 560k R56 6 8k R60 3 3k R61 3 3M R67 18k R74 DG 120k RA11 1 2 3 4 Q11 B C E ...

Page 175: ...d4 26 Reserved5 27 Reserved6 28 Reserved7 29 Reserved8 30 Reserved9 31 Reserved10 32 Reserved11 33 Reserved12 34 Reserved13 35 Reserved14 36 Reserved15 37 Reserved16 38 Reserved17 39 Reserved18 40 Reserved19 41 Reserved20 42 Reserved21 43 Reserved22 44 Reserved23 45 Reserved24 46 IA_AVSS2 47 IA1_RXP 48 Reserved25 49 IA1_HSMICP 50 IA1_HSMICM 51 IA1_HSMIC_BIAS 52 IA1_BG 53 IA1_VC 54 IA_AVDD 55 Reser...

Page 176: ...101 22 R103 AG AG AG 2 5V 5VA 5V 5V DG AG R116 NC 5V DG 100n C103 NC C118 NC C114 100p C106 C116 100n CN106 NC 1 2 3 4 5 6 7 8 L101 NC L102 NC L103 NC L104 NC FG2 FG2 Q101 Q102 NC SW101 NC 4 3 1 2 DG FG2 FG1 R149 NC JJ108 0 CN101 1 5V 2 DG 3 RLY 4 HOOK 5 LINE RX 6 LINE TX 7 AG 8 HS RX 9 HS TX 10 BELL CPC 11 PSHORT ACK_EN 12 DCN 13 MONRX 14 DG 15 VBUS_IN 16 D 17 D JJ109 NC C138 NC IC101 3 2 1 IC101...

Page 177: ...VA 750k R130 2 5VL AG 47k R134 Q105 B C E 5VA 330 R135 AG 47u C128 D111 1 2 3 AG AG PC103 1 2 3 4 CN105 1 HSMIC 2 HSSP 3 HSSP 4 HSMIC 5 6 R131 0 DG 33n C129 33n C130 10n C135 10n C132 10n C131 4 7n C124 C122 NC C133 NC 100p C126 5V AG R146 NC D107 NC D105 NC T102 NC 5 3 2 4 1 D110 NC 2 1 3 JJ107 NC L113 L114 L111 L112 L109 L110 L107 L108 JJ102 NC JJ101 NC R137 NC R125 NC NC R150 IC101 5 6 7 120 2w...

Page 178: ...B 25 D4 STBB IP 26 D5 CSB IP 27 D6 CLK IP 28 D7 DIO IP 29 RESET 30 SCLK 31 RXD 32 TXD 33 START 35 LED2 36 LED3 37 LED4 38 VSS2 39 VDD2 40 LED5 41 KIN0 42 KSL0 43 KSL1 44 4 SW304 1 2 SKEY 5 SW328 1 2 STOP SW333 1 2 5V 5V 5V 5V 5V NC BZ301 1 2 NC SW338 4 3 1 2 NC SW337 4 3 1 2 TP301 TP302 AUTO ANSWER RED D301 1 2 NC R318 NC R319 NC R320 NC R321 NC R323 1k R309 AP1 CN301 1 GND 2 5V 3 KSTART 4 KLATCH ...

Page 179: ...p 1k D201 T101 C122 0 22 D110 47k R112 R110 47 R106 100k R201 47 R221 D205 1k R224 5 6k VR201 4 7k R230 150 2 R231 150 2 R234 47k R233 47k R232 15k R202 R225 3 3k R222 PC101 1K Q203 R229 18k R113 10k R107 47 2W G S D Q101 D107 100 R123 1 8k R105 D106 R111 15 D103 D102 D104 D101 0 22 2 ZNR101 L101 750 R101 1M R102 1M R103 1M R122 390 KX FP701CX KX FP702CX POWER SUPPLY BOARD D105 L102 L103 C124 0 01...

Page 180: ...6 220u C406 CN407 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 CN408 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 BAT401 1 2 GND 2 2k R408 D407 A K GND CN405 1 2 3 GND PS401 2 1 4 3 GND CN406 1 COM 2 DATA 3 STB2 4 GND 5 CLOCK 6 TM 7 3 3V 8 GND 9 STB1 10 LATCH 11 COM GND GND 50 100p C402 50 100p C403 GND GND 6V 5V 5V 5V CN404 1 2 3 4 5 6 7 8 50 100n C401 180 R410 100 R401 CN403 1 2 3 4 5 D401 A K D...

Page 181: ...181 KX FP701CX KX FP702CX 17 6 Sensor Board PCB6 SW501 1 2 SW502 4 3 1 2 COVER_OPEN_SW REED GND CN501 1 2 3 KX FP701CX KX FP702CX SENSOR BOARD ...

Page 182: ...182 KX FP701CX KX FP702CX MEMO ...

Page 183: ...R40 R39 R78 R59 R99 R84 R93 R81 L5 IC5 IC7 IC12 IC3 IC1 NMI CA92 EYCLK CA32 1 CA12 17 D D DTR DSR 16 1 1 1 1 32 33 48 49 64 CTS RXD TXD RTS D0 D6 D7 D2 D3 D1 D4 Q10 Q7 C25 C117 C116 C22 C21 C27 C23 X3 EYXY EYSYNC C36 80 81 A1 A0 CE2 CE1 MFCS C46 C68 C47 XTST C43 C44 C66 C125 30 C53 C124 C60 C41 C35 C33 C34 F1FTG C65 C64 C62 C101 C102 51 17 C103 C89 2 5V BAT 3 3V BAT R26 R25 R24 R33 3 3V GND 6V R14...

Page 184: ...2 RA12 RA1 RA11 RA9 1 15 28 RA14 RA4 8 1 18 1 16 17 32 1 1 E E Q13 Q12 Q3 Q1 Q11 C126 C84 C88 C5 C20 C7 CN6 CN4 CA13 C50 C51 C80 C78 C52 C61 C91 C110 C109 C98 C111 C112 C96 C83 C123 C114 1 1 2 7 C49 C105 8 8 8 1 4 1 1 7 14 8 8 1 1 4 4 4 17 5 5 5 5 C38 C18 C87 C73 X4 1 C121 17 32 16 1 E C122 RA3 R98 R23 R17 R32 R41 R74 R18 R49 R73 R72 R75 R69 R65 R50 R51 R92 R77 R91 R55 R11 R16 R8 R2 R7 R10 L1 CA82...

Page 185: ...121 R128 R134 R143 R135 R144 R129 R145 R142 R130 R107 R106 R112 R117 PC101 PC103 PC102 R116 C117 C119 5 1 1 4 3 6 2 2 L103 D GND D VBUS L102 L101 L111 L114 L113 L112 L104 C122 C115 T101 LINE EXT SW101 USB C138 C112 C111 C126 C129 C130 C108 C104 C106 C105 C109 C103 C120 C121 C114 D111 C116 C124 C132 C135 C131 C118 L106 L108 L109 L110 L107 C110 C107 C133 D109 D110 Q103 Q107 Q104 17 1 B B VBS GND MRX...

Page 186: ...R127 R131 L116 R146 R125 SA101 CN103 CN104 L115 J103 J118 D101 C102 RLY101 RLY102 J109 J111 J114 J115 C136 C137 JJ105 JJ108 JJ106 SA102 D113 J101 C123 J120 J121 J113 J110 C113 C134 C128 CN105 C101 SW101 R147 POS101 JJ107 J102 R148 D112 CN106 CN101 10pin 13pin 17pin 1 17 A T101 T102 R133 R137 JJ109 KX FP701CX KX FP702CX ANALOG BOARD Component View ...

Page 187: ...ON BOARD Bottom View IC301 CN302 CN301 A WHITE PFUP1665Z a PbF C316 C317 C310 C314 C318 C321 C320 C303 C305 C301 C313 C312 C306 C307 C308 C311 C302 C315 R321 R323 R324 R325 R312 R313 R310 R314 R326 R307 R329 R328 R327 R331 Q301 R318 R319 R320 R311 R308 R317 R303 R306 R309 R304 R305 R302 R330 R301 L301 ...

Page 188: ...CALLER ID FLASH HANDSET MUTE MONITOR SP PHONE S4 SW327 SW328 SW329 SW330 AUTO ANSWER REC SW332 D301 SW333 SW334 SW335 SW336 SW331 C304 BROADCAST PLAYBACK COPY FAX START STOP ERASE SW313 REDIAL PAUSE JJ323 JJ325 JJ310 JJ319 JJ312 JJ318 JJ315 JJ309 JJ307 JJ322 JJ304 JJ321 JJ314 JJ305 JJ317 JJ303 JJ302 R316 JJ308 JJ324 JJ320 SW302 SW307 SW311 SW303 SW308 SW312 1 2 3 4 5 6 7 8 9 0 KX FP701CX KX FP702C...

Page 189: ...F1910EK SEE SOLDER SIDE FUSE CAUTION 94V 0 L N ZNR101 F101 C103 C102 JP104 JP105 JP103 JP102 L103 R105 C109 L102 C211 D201 JP208 JP207 JP206 JP204 JP205 C201 C217 R230 CN202 1 8 L201 C111 R110 D107 D105 C105 D110 D102 C106 C108 C110 D106 R107 R106 PC101 PRIMARY SECONDARY T101 R111 JP101 JP106 JP202 JP209 D205 R201 R231 C215 C212 C216 VR201 D202 IC202 Q101 D104 D103 D101 BROWN BLUE L101 C101 PbF Co...

Page 190: ...190 KX FP701CX KX FP702CX MEMO ...

Page 191: ...ce Board PCB5 18 5 1 Bottom View PFUP1664Z b PbF R402 R403 R408 R409 A IC403 C401 C404 C403 C402 1 25A 4 1 5 8 1 25A F402 F401 R404 R405 1 1 1 1 8 1 11 1 5 18 5 1 1 1 1 8 3 8 8 9 9 16 18 16 KX FP701CX KX FP702CX INTERFACE BOARD Bottom View ...

Page 192: ...CN407 CN408 CN406 E E IC401 IC402 R410 D407 J403 D401 CN405 CN404 CN402 CN403 OPE RX TX D403 D405 D404 D406 8 8 8 3 1 1 1 1 1 8 18 18 1 5 1 1 1 1 9 9 16 16 11 5 D402 J405 J406 J401 Q401 Q402 POWER R407 R401 R406 BAT401 CN401 PS401 A KX FP701CX KX FP702CX INTERFACE BOARD Component View ...

Page 193: ...193 KX FP701CX KX FP702CX 18 6 Sensor Board PCB6 SW502 SW501 PFUP1301Y CN501 PbF A KX FP701CX KX FP702CX SENSOR BOARD Bottom View Component View BLACK RED WHITE PFUP1301Y A PbF ...

Page 194: ...dix Information of 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 3 ...

Page 195: ...195 KX FP701CX KX FP702CX 20 Exploded View and Replacement Parts List 20 1 Cabinet Mechanical and Electrical Parts Location 20 1 1 General Section ...

Page 196: ...196 KX FP701CX KX FP702CX 20 1 2 Operation Panel Section ...

Page 197: ...197 KX FP701CX KX FP702CX 20 1 3 Back Cover Section ...

Page 198: ...198 KX FP701CX KX FP702CX ...

Page 199: ...199 KX FP701CX KX FP702CX 20 1 4 Upper Cabinet Section ...

Page 200: ...200 KX FP701CX KX FP702CX 20 1 5 Lower Cabinet Section ...

Page 201: ...201 KX FP701CX KX FP702CX 20 1 6 Gear Block Section ...

Page 202: ...202 KX FP701CX KX FP702CX 20 1 7 Screws ...

Page 203: ...203 KX FP701CX KX FP702CX 20 1 8 Accessories and Packing Materials ...

Page 204: ...f No Part No Part Name Description Remarks 31 PFDE1189Y2 LEVER CASSETTE PS HB 32 PFKV1071Y2 COVER U TURN PS HB 33 PFQT2999Z INDICATION LABEL PAPER SET 34 PFGT3418Z M NAME PLATE AL KX FP701CX S 34 PFGT3419Z M NAME PLATE AL KX FP702CX S 35 PFQT2980Z INDICATION LABEL OPEN 36 Not used 37 PFKS1039W TRAY CASSETTE PLATE KX FP701CX PS HB 37 PFKS1039Z TRAY CASSETTE PLATE KX FP702CX PS HB 38 PFUS1414Z COIL ...

Page 205: ...POM HB 160 PFHR1355Y ARM POM HB 161 PFHR1186Z SPACER SUPPORT BASE POM HB 162 PFDG1282Z GEAR POM HB 163 PFDG1283Z GEAR POM HB 164 PFDG1284Z GEAR POM HB 165 PFDG1285Z GEAR POM HB 166 PFDG1153Z GEAR POM HB 167 PFDG1286Z GEAR POM HB 168 PFMD1062Y FRAME 169 PFDG1154Z GEAR POM HB 170 L6HAYYYK0017 DC MOTOR RX 171 L6HAYYYK0018 DC MOTOR TX Ref No Part No Part Name Description Remarks Ref No Part No Part Na...

Page 206: ... ERJ2GEJ182 1 8K R56 ERJ2GEJ564 560K R58 ERJ2GEJ103 10K R60 ERJ2GEJ682 6 8K R61 ERJ2GEJ332 3 3K R62 ERJ2GEJ821 820 R64 ERJ2GEJ124 120K R65 ERJ2GEJ223 22K R66 ERJ2GEJ473 47K Ref No Part No Part Name Description Remarks R67 ERJ2GEJ335 3 3M R68 ERJ2GEJ272 2 7K R69 ERJ2GEJ333 33K R71 ERJ2GEJ220 22 R72 ERJ2GEJ224 220K R73 ERJ2GEJ823 82K R74 ERJ2GEJ183 18K R75 ERJ2GEJ184 180K R79 ERJ2GEJ473 47K R80 ERJ2...

Page 207: ...ESISTOR ARRAY RA6 EXB24V221JX RESISTOR ARRAY RA8 EXB28V332JX RESISTOR ARRAY RA9 EXB24V223JX RESISTOR ARRAY RA10 D1H84724A013 RESISTOR ARRAY S RA11 EXB24V124JX RESISTOR ARRAY Ref No Part No Part Name Description Remarks RA12 EXB24V223JX RESISTOR ARRAY RA13 EXB24V332JX RESISTOR ARRAY RA14 EXB24V221JX RESISTOR ARRAY CRYSTAL OSCILLATORS X2 H0A327200147 CRYSTAL OSCILLATOR X3 H2C240500006 CRYSTAL OSCILL...

Page 208: ...ALOG BOARD ASS Y RTL IC IC101 C0ABEB000083 IC TRANSISTORS Q105 B1ABDF000026 TRANSISTOR SI Q106 B1GBCFEN0010 TRANSISTOR SI Ref No Part No Part Name Description Remarks DIODES D101 MA4120 DIODE SI S D104 MA4030 DIODE SI S D106 MA4030 DIODE SI S D111 B0ADEJ000026 DIODE SI D112 1SS133 DIODE SI S JACKS AND CONNECTORS CN101 K1KY10BA0093 CONNECTOR CN103 K2LB1YYB0002 JACK SOCKET CN104 K2LB1YYB0002 JACK SO...

Page 209: ...H SW315 K0H1BA000259 SPECIAL SWITCH SW316 K0H1BA000259 SPECIAL SWITCH SW317 K0H1BA000259 SPECIAL SWITCH SW318 K0H1BA000259 SPECIAL SWITCH SW319 K0H1BA000259 SPECIAL SWITCH Ref No Part No Part Name Description Remarks SW320 K0H1BA000259 SPECIAL SWITCH SW321 K0H1BA000259 SPECIAL SWITCH SW322 K0H1BA000259 SPECIAL SWITCH SW323 K0H1BA000259 SPECIAL SWITCH SW324 K0H1BA000259 SPECIAL SWITCH SW325 K0H1BA0...

Page 210: ... 001 S C111 35YXA47M71TA 47 S C121 ECJ1VB1H472K 0 0047 Ref No Part No Part Name Description Remarks C122 ECJ1VB1A224K 0 22 C123 ECJ1VB1H104K 0 1 C124 ECJ1VB1H103K 0 01 C201 KY35VB470M 470 C205 ECJ1VB1E104K 0 1 C211 KY10VB470M 470 C212 PFKDD3AD102K 0 001 S C213 ECJ1VB1E104K 0 1 C215 PFKDD3AD102K 0 001 S C217 KY25VB100M 100 C218 ECJ1VB1H104K 0 1 Ref No Part No Part Name Description Remarks PCB5 PFLP...

Page 211: ...RTL SW501 K0MA11000041 SIGNAL SWITCH SW502 PFSH1A011Z SWITCH HOOK LEVER Ref No Part No Part Name Description Remarks EC1 PQZZ7K11Z EXTENSION CORD 7 PIN EC2 PQZZ2K12Z EXTENSION CORD 2 PIN EC3 PQZZ8K15Z EXTENSION CORD 8 PIN EC4 PFZZ11K13Z EXTENSION CORD 11 PIN EC5 PFZZ5K13Z EXTENSION CORD 5 PIN EC6 PFZZ5K13Z EXTENSION CORD 5 PIN EC7 PQZZ3K12Z EXTENSION CORD 3 PIN EC8 PQZZ8K15Z EXTENSION CORD 8 PIN K...

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