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8.4. DIGITAL 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. If there is no problem with the power supply unit, the problem may lie in the digital
unit (main board).

As there are many potential causes in this case (ASIC, DRAM, etc.), it may be difficult to specify what you should check first.
If a mistake is made in the order of checks, a normal part may be determined faulty, wasting both time and money.

Although the tendency is to regard the problem as a serious one (IC malfunction, etc.), usually most cases are caused by solder
faults (poor contact due to a tunnel in the solder, signal short circuit due to solder waste).

Note:

1. Electrical continuity may have existed at the factory check, but a faulty contact occurred as a result of vibration, etc., during

transport.

2. Solder waste remaining on the board may get caught under the IC during transport, causing a short circuit.

Before we begin mass production, several hundred trial units are produced at the plant, various tests are applied and any
malfunctions are analyzed. (In past experiences, digital IC (especially, DRAM and ROM) malfunctions are extremely rare after
installation in the product.)

This may be repaired by replacing the IC, (DRAM etc.). However, the real cause may not have been an IC malfunction but a
soldering 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 or IC malfunction by checking the main signal lines.

Even if you don’t have such a measuring instrument, by checking each main signal line and resoldering it, in many cases the
problem will be resolved.

An explanation of the main signals (for booting up the unit) is presented below.

What are the main signals for booting up the unit?

Please refer to DIGITAL BLOCK DIAGRAM (P.150).

The ASIC (IC606) controls all the other digital ICs. When the power is turned on, the ASIC retrieves the operation code stored
in the ROM (IC607), then follows the instructions for controlling each IC. All ICs have some inner registers that are assigned to
a certain address.

It is the address bus by which the ASIC designates the location inside each IC. And the data bus reads or writes the data in
order to transmit the instructions from the ASIC to the ICs.

These signal lines are all controlled by voltages of 3.3V (H) or 0V (L).

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KX-FL612CX / KX-FL612CX-S

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Содержание KX-FL612CX

Страница 1: ...MATION ABOUT LEAD FREE PbF SOLDERING If lead free solder was used in the manufacture of this product the printed circuit boards will be marked PbF Standard leaded Pb solder can be used as usual on boards without the PbF mark When this mark does appear please read and follow the special instructions described in this manual on the use of PbF and how it might be permissible to use Pb solder during s...

Страница 2: ... HOW TO REMOVE THE MAIN MOTOR 54 5 20 HOW TO REMOVE THE FUSER UNIT 55 5 21 HOW TO REMOVE THE CIS 56 5 22 NOTE FOR ASSEMBLING 57 5 23 INSTALLATION POSITION OF THE LEAD 58 6 TROUBLESHOOTING GUIDE 59 6 1 USER RECOVERABLE ERRORS 59 6 2 PROGRAMMING AND LISTS 61 6 3 TEST FUNCTIONS 64 6 4 REMOTE PROGRAMMING 68 6 5 TROUBLESHOOTING DETAILS 76 7 CIRCUIT OPERATIONS 147 7 1 CONNECTION DIAGRAM 147 7 2 GENERAL ...

Страница 3: ... SCHEMATIC DIAGRAM 244 14 1 DIGITAL BOARD PCB1 244 15 SCHEMATIC DIAGRAM 248 15 1 ANALOG BOARD PCB2 248 15 2 OPERATION BOARD PCB3 250 15 3 HIGH VOLTAGE POWER SUPPLY BOARD PCB4 252 15 4 LOW VOLTAGE POWER SUPPLY BOARD PCB5 253 15 5 EXIT SENSOR BOARD PCB6 254 15 6 DRUM AND TONER SENSOR BOARD PCB7 254 15 7 VARISTOR BOARD PCB8 254 16 PRINTED CIRCUIT BOARD 255 16 1 DIGITAL BOARD PCB1 255 16 2 ANALOG BOAR...

Страница 4: ...be careful not to heat too long PbF solder will tend to splash if it is heated much higher than its melting point approximately 1100 F 600 C If you must use Pb solder on a PCB manufactured using PbF solder remove as much of the original PbF solder as possible and be sure that any remaining is melted prior to applying the Pb solder When applying PbF solder to double layered boards please check the ...

Страница 5: ... C608 C717 C731 C694 L655 L643 L604 L606 L605 R767 R769 R768 L656 L657 8 CN614 CN610 CN613 1 8 5 1 6 1 R724 R722 1 5 4 R747 E P_RTS REF CH TP_AMON X603 C697 C706 C695 Q609 75 51 50 26 25 1 76 100 C738 C668 RA610 RA609 D602 J600 8 1 9 IC610 Q613 C648 C726 D607 D608 L648 R737 E Q620 16 R706 C705 L623 L624 L625 L626 L658 L653 L654 L642 C666 BAT600 PFUP1330YA PbF TO CH RA602 2 5V C672 C728 24V 3 3V BA...

Страница 6: ...ntrol shafts bottom frame etc Note Some exposed parts may be isolated from 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 1 5 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...

Страница 7: ...1 8 PERSONAL SAFETY PRECAUTIONS 1 8 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 A gear rotates the two rollers Be careful not to touch them w...

Страница 8: ...wer supply unit Therefore always unplug the AC power cord before disassembling for service 1 8 3 LASER BEAM AND FUSER UNIT SECTION The printer of this unit utilizes a laser Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure The fuser unit is inside of the unit and gets hot Do not touch it when removing the jammed...

Страница 9: ...to the page As a result it is normal for the machine to produce an odor during and shortly after printing Be sure to use this unit in an area with proper ventilation Do not cover slots or openings on the unit Inspect the air circulation vents regularly and remove any dust build up with a vacuum cleaner If the inside of the unit is dirty clean it with a soft and dry cloth especially the lower glass...

Страница 10: ...ls with normal sized characters FINE For originals with small printing SUPER FINE For originals with very small printing PHOTO For originals containing photographs shaded drawing etc PHOTO WITH TEXT For originals containing photograph and text Broad cast 250 sheet paper capacity 60 g m2 75 g m2 Distinctive ring detection Integrated Telephone System On hook dialing Monitor speaker Voice muting Redi...

Страница 11: ...pprox 170 pages of memory reception Based on ITU T No 1 Test Chart in standard resolution Laser diode properties Laser output Max 5 mW Wave length 760 nm 800 nm Emission duration Continuous Print Speed 14 ppm page per minute Printing Resolution 600 600 dpi Transmission speed depends upon the contents of the pages resolution telephone line conditions and capability of the other party s machine Tran...

Страница 12: ...3 INSTALLATION 3 1 LOCATION OF CONTROLS 3 1 1 OVERVIEW 12 KX FL612CX KX FL612CX S ...

Страница 13: ...3 1 2 CONTROL PANEL 13 KX FL612CX KX FL612CX S ...

Страница 14: ...he power outlet should be near the product and easily accessible Be sure to use the telephone line cord included in this unit Do not extend the telephone line cord Note To avoid malfunction do not position fax machine near appliances such as TVs or speakers which generate an intense magnetic field If any other device is connected on the same line this unit may disturb the network condition of the ...

Страница 15: ...n 5 meters 16 4 feet Using a longer cord may reduce the voltage or cause malfunctions Avoid direct sunlight Do not install near devices which contain magnets or generate magnetic fields Do not subject the unit to strong physical shock or vibration Keep the unit clean Dust accumulation can prevent the unit from functioning properly To protect the unit from damage hold both sides when you move it Do...

Страница 16: ...d into Document and recording paper will be ejected from the front of the unit Do not place anything in front of the unit The paper stacker can hold up to approximately 100 sheets of printed paper Remove the printed paper before the paper stacker becomes full 3 3 3 DOCUMENT STACKER Pull the document stacker forward gently until it clicks into place then press the center part of the document stacke...

Страница 17: ...the paper tray cover then push the tension plate back Note Do not place the unit in an area where the paper tray may be obstructed i e by a wall etc Keep this surface away from walls etc more than 50 mm 1 31 32 to let the unit cool down To remove the paper tray Pull the paper tray forward in the direction of the arrow 17 KX FL612CX KX FL612CX S ...

Страница 18: ...sheets of 80 g m2 or 200 sheets of 90 g m2 paper See the note for paper specifications The unit is set for A4 size paper by default If you want to use legal or letter size paper change the setting feature 16 1 Before inserting a stack of paper fan the paper to prevent paper jams 2 Pull the tension plate forward 3 Remove the paper tray cover 18 KX FL612CX KX FL612CX S ...

Страница 19: ... cover 6 Push the tension plate back To use A4 size paper Insert the tabs on the A4 paper guides into the slots L is shown on the A4 paper guide for the left side R is shown on the A4 paper guide for the right side Note When you use letter or legal paper you do not need to install the A4 paper guides Change the recording paper size to A4 feature 16 19 KX FL612CX KX FL612CX S ...

Страница 20: ...ly curled creased or torn paper Paper with a coated surface Paper with a faint image Paper with printing on the opposite side that can be seen through the other side i e newspaper Note for the auto document feeder and the scanner glass Check that ink paste or correction fluid has dried completely To transmit the document with a width of less than A4 size 210 mm we recommend using a copy machine to...

Страница 21: ...3 3 7 TO SELECT CHARACTERS WITH THE DIAL KEYPAD Pressing the dial keys will select a character as shown below 3 3 8 TO SELECT CHARACTERS USING THE OR KEY 21 KX FL612CX KX FL612CX S ...

Страница 22: ...3 3 9 SETTING YOUR LOGO The logo can be your company division or name 22 KX FL612CX KX FL612CX S ...

Страница 23: ... The drum unit contains a photosensitive drum Exposing it to light may damage the drum Once you have opened the protection bag Do not expose the drum unit to light for more than 5 minutes Do not touch or scratch the green drum surface Do not place the drum unit near dust or dirt or in a high humidity area Do not expose the drum unit to direct sunlight Do not unplug the fax machine to prevent loss ...

Страница 24: ...oner to fall into the drum unit Remove the drum and toner unit by holding the two tabs Do not touch the transfer roller If you replace the toner cartridge and the drum unit at the same time skip to step 7 5 Turn the two levers on the used toner cartridge firmly until the triangles match 24 KX FL612CX KX FL612CX S ...

Страница 25: ...idge into the protection bag 7 If you replace the drum unit at the same time remove the new drum unit from the protection bag Place the toner cartridge into the drum unit vertically 8 Firmly press down the toner cartridge to snap into position 9 Turn the two levers on the toner cartridge firmly 10 Make sure that the triangles match to install the toner cartridge correctly 25 KX FL612CX KX FL612CX ...

Страница 26: ...dry cloth 11 Install the drum and toner unit by holding the tabs 12 Close the front cover by pushing down on both sides until locked While the unit displays PLEASE WAIT do not open the front cover or disconnect the power cord 26 KX FL612CX KX FL612CX S ...

Страница 27: ...ng 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 troubleshooting 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 completing the repairs condu...

Страница 28: ...9 2 Paper Feed Roller Ref No 154 3 months 7 years 100 000 documents Refer to HOW TO REMOVE THE SEPARATION RUBBER P 47 3 ADF Separation Rubber Ref No 35 3 months 7 years 100 000 documents Refer to HOW TO REMOVE THE SEPARATION RUBBER P 47 4 ADF Exit Roller Ref No 34 3 months 7 years 100 000 documents Refer to HOW TO REMOVE THE SEPARATION RUBBER P 47 5 Pick up Roller Ref No 108 3 months 7 years 100 0...

Страница 29: ... in the direction shown in the figure The gears of fixing and developing parts are driven by the GEAR IDLER 67 The GEAR PAPER FEED ROLLER drives the roller The GEAR CLUTCH runs idle and GEAR PICKUP PAPER is still 29 KX FL612CX KX FL612CX S ...

Страница 30: ...ing paper is pressed by the PICKUP ROLLER and the top paper is separated and fed Even the SOLENOID is turned OFF it can not stop on the way of a turn because the tip of LEVER PICK UP CLUTCH is on the CAM of GEAR PICKUP PAPER When the tip of LEVER PICK UP CLUTCH returns to CAM s home position the GEAR CLUTCH RING is unhooked then the GEAR PICKUP PAPER is stopped 30 KX FL612CX KX FL612CX S ...

Страница 31: ...act between the separation roller and the separation pad through the document feed roller then the document is fed there separately The document feed roller carries the document and the CIS reads it through the glass The document is exited through the document feed roller 31 KX FL612CX KX FL612CX S ...

Страница 32: ...e or a dirty pattern appear on the original document when sending or copying Caution Be careful when handling the drum and toner unit Do not use paper products such as paper towels or tissues to clean inside of the unit 1 Disconnect the power cord and the telephone line cord 2 Lift open the front cover holding OPEN 3 Clean the document separation roller with a cloth moistened with isopropyl rubbin...

Страница 33: ...let all parts dry thoroughly Clean the upper glass with a soft and dry cloth 6 Push back the inner cover 7 Remove the drum and toner unit by holding the two tabs 8 Clean the lower glass with a soft and dry cloth 9 Reinstall the drum and toner unit by holding the tabs 33 KX FL612CX KX FL612CX S ...

Страница 34: ...10 Close the front cover by pushing down on both sides until locked 11 Reconnect the power cord and the telephone line cord Note Do not touch the transfer roller 34 KX FL612CX KX FL612CX S ...

Страница 35: ...ows 1 Lift open the front cover holding OPEN 2 Hold the center part of the front cover and pull open the inner cover Do not touch the transfer roller 3 Remove the jammed document carefully 4 Push back the inner cover 5 Close the front cover by pushing down on both sides until locked 35 KX FL612CX KX FL612CX S ...

Страница 36: ...g paper during reception or copying the recording paper has jammed and the display will show the following massage The display will show the following 1 Lift open the front cover holding OPEN 2 Remove the jammed paper When the recording paper has jammed near the drum and toner unit Remove the jammed paper carefully by pulling it toward you Do not touch the transfer roller 36 KX FL612CX KX FL612CX ...

Страница 37: ... cover 2 2 Remove the recording paper then remove the drum and toner unit to allow the jammed paper to pull free from the rear cabinet 2 3 Lift both green levers forward until they stop 2 4 Remove the jammed paper from the fuser unit by pulling it upwards carefully then install the drum and toner unit 37 KX FL612CX KX FL612CX S ...

Страница 38: ...ose the front cover by pushing down on both sides until locked 4 Re insert the recording paper Before re inserting make sure to fan and straighten the recording paper 5 Attach the paper tray cover then push back the tension plate 38 KX FL612CX KX FL612CX S ...

Страница 39: ...ollowing 1 Pull the tension plate forward then remove the paper tray cover Remove the recording paper 2 Re insert the recording paper Attach the paper tray cover then push back the tension plate Before re inserting make sure to fan and straighten the recording paper 39 KX FL612CX KX FL612CX S ...

Страница 40: ...5 DISASSEMBLY INSTRUCTIONS 40 KX FL612CX KX FL612CX S ...

Страница 41: ...REMOVE THE PICK UP UNIT P 44 A3 HOW TO REMOVE THE PICK UP ROLLER P 45 A4 HOW TO REMOVE THE OPERATION BOARD P 46 A5 HOW TO REMOVE THE LOWER FLAME P 47 A6 HOW TO REMOVE THE SEPARATION RUBBER P 47 A7 HOW TO REMOVE THE TRANSFER ROLLER P 48 A8 HOW TO REMOVE THE SEPARATION ROLLER P 49 41 KX FL612CX KX FL612CX S ...

Страница 42: ...OLTAGE POWER BOARD P 51 B4 HOW TO REMOVE THE LASER UNIT P 51 B5 HOW TO REMOVE THE FAN UNIT P 52 B6 HOW TO REMOVE THE LOW VOLTAGE POWER BOARD P 52 B7 HOW TO REMOVE THE SOLENOID P 53 B8 HOW TO REMOVE THE HANDSET HOLDER P 53 B9 HOW TO REMOVE THE MAIN MOTOR P 54 B10 HOW TO REMOVE THE FUSER UNIT P 55 C1 HOW TO REMOVE THE CIS P 56 42 KX FL612CX KX FL612CX S ...

Страница 43: ...5 3 HOW TO REMOVE THE OPERATION PANEL ASS Y 43 KX FL612CX KX FL612CX S ...

Страница 44: ...5 4 HOW TO REMOVE THE PICK UP UNIT 44 KX FL612CX KX FL612CX S ...

Страница 45: ...5 5 HOW TO REMOVE THE PICK UP ROLLER 45 KX FL612CX KX FL612CX S ...

Страница 46: ...5 6 HOW TO REMOVE THE OPERATION BOARD 46 KX FL612CX KX FL612CX S ...

Страница 47: ...5 7 HOW TO REMOVE THE LOWER FLAME 5 8 HOW TO REMOVE THE SEPARATION RUBBER 47 KX FL612CX KX FL612CX S ...

Страница 48: ...5 9 HOW TO REMOVE THE TRANSFER ROLLER 48 KX FL612CX KX FL612CX S ...

Страница 49: ...5 10 HOW TO REMOVE THE SEPARATION ROLLER 49 KX FL612CX KX FL612CX S ...

Страница 50: ...5 11 HOW TO REMOVE THE BOTTOM PLATE 5 12 HOW TO REMOVE THE ANALOG BOARD 50 KX FL612CX KX FL612CX S ...

Страница 51: ...5 13 HOW TO REMOVE THE HIGH VOLTAGE POWER BOARD 5 14 HOW TO REMOVE THE LASER UNIT 51 KX FL612CX KX FL612CX S ...

Страница 52: ...5 15 HOW TO REMOVE THE FAN UNIT 5 16 HOW TO REMOVE THE LOW VOLTAGE POWER BOARD 52 KX FL612CX KX FL612CX S ...

Страница 53: ...5 17 HOW TO REMOVE THE SOLENOID 5 18 HOW TO REMOVE THE HANDSET HOLDER 53 KX FL612CX KX FL612CX S ...

Страница 54: ...5 19 HOW TO REMOVE THE MAIN MOTOR 54 KX FL612CX KX FL612CX S ...

Страница 55: ...5 20 HOW TO REMOVE THE FUSER UNIT 55 KX FL612CX KX FL612CX S ...

Страница 56: ...5 21 HOW TO REMOVE THE CIS 56 KX FL612CX KX FL612CX S ...

Страница 57: ...5 22 NOTE FOR ASSEMBLING 5 22 1 FCC DIGITAL BOARD 5 22 2 DOCUMENT STACKER 5 22 3 THERMOSTAT 57 KX FL612CX KX FL612CX S ...

Страница 58: ...5 23 INSTALLATION POSITION OF THE LEAD 58 KX FL612CX KX FL612CX S ...

Страница 59: ...ment in memory See the other displayed message instructions to print out the document The memory is full of received documents due to lack of recording paper or a recording paper jam etc Install paper or clear the jammed paper When performing memory transmission the document being stored exceeds the memory capacity of the unit Transmit the entire document manually The inside of the unit is extreme...

Страница 60: ...r than 600 mm Refer to DOCUMENT JAMS P 35 The drum life is near to the end Replace the drum unit as soon as possible The toner life is complete Replace the toner cartridge immediately The toner life is near to the end Replace the toner cartridge as soon as possible A transmission error occurred Try again The inside of the unit is too cold Let the unit warm up Wait for a while The fax message was p...

Страница 61: ...d 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 Service 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 Functions are accessed by entering their co...

Страница 62: ...es that ITS is redialed not including the first dial 572 ITS auto redial line disconnection time set X second 001 999 065 Sets the interval of ITS redialing 573 Remote turn on ring number set X number of rings 01 99 10 Sets the number of rings before the unit starts to receive a document in the TEL mode 590 FAX auto redial time set X number of times 00 99 05 Selects the number of redial times duri...

Страница 63: ... 4 7200BPS 5 4800BPS 6 2400BPS 1 6 1 Adjusts the speed to start training during FAX transmission Refer to P 111 and 718 Receive speed selection 1 14400BPS 2 12000BPS 3 9600BPS 4 7200BPS 5 4800BPS 6 2400BPS 1 6 1 Adjusts the speed to start training during FAX reception Refer to P 112 and 721 Pause tone detect 1 ON 2 OFF 1 2 2 Selects the tone detection for pause in dialing 722 Redial tone detect 1 ...

Страница 64: ...GLE TEST Service Mode 5 5 2 Outputs the DTMF as single tones Used to check the frequencies of the individual DTMF tones Refer to DTMF SINGLE TONE TRANSMIT SELECTION P 66 1 ON 2 OFF LED CHECK Service Mode 5 5 7 All LEDs above the operation panel board flash on and off or are illuminated START KEY CHECK Service Mode 5 6 1 Checks the button operation Indicates the button code on the LCD while the but...

Страница 65: ...r ON Toner sensor OFF None 3F Temperature of THERMISTOR Hex 00 FF None D4 Temperature of Atmosphere Hex 00 FF None V VOX signal V Detect the tone on the line Not detect PRINT TEST PATTERN Service Mode 8 5 2 1 Press 852 then the SET key in the service mode 2 As PATNO is displayed on the LCD enter the test pattern No and press the SET key 3 When No is displayed on the LCD enter the printing number a...

Страница 66: ...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 6 3 2 BUTTON CODE TABLE 66 KX FL612CX KX FL612CX S ...

Страница 67: ...se print test patterns are just image printing and different from actual ones When it is required to judge the print quality compare with the printing of a nondefective machine 6 3 3 PRINT TEST PATTERN 67 KX FL612CX KX FL612CX S ...

Страница 68: ...ed on this the parameters for the desired codes can be changed The procedure for changing and listing parameters is described on ENTERING THE REMOTE PROGRAMMING MODE AND CHANGING SERVICE CODES P 68 Also before exiting the remote programming mode it is advisable to obtain a new list to confirm that the changes were made correctly Hint Since the connected telephone is in use during the remote progra...

Страница 69: ...rnational mode select 1 ON 2 OFF ON OK 522 Auto standby select 1 ON 2 OFF ON OK 523 Receive equalizer select 1 0kms 2 1 8km 3 3 6km 4 7 2km 0 km OK 524 Transmission equalizer select 1 0kms 2 1 8km 3 3 6km 4 7 2km 0 km OK 529 Memory clear for Call Service NG 544 Document feed position adjustment value set 0 4 xmm 2mm OK 550 Memory clear NG 551 ROM check NG 552 DTMF signal tone test 1 ON 2 OFF OFF O...

Страница 70: ...7 4 OK 874 DTMF ON time 060 200msec 90 OK 875 DTMF OFF time 060 200msec 90 OK 880 History list 1 Start NG 881 Journal 2 NG 882 Journal 3 NG 991 Setup list 1 Start OK 994 Journal list 1 Start OK 995 Journal 2 list 1 Start OK 996 Journal 3 list 1 Start OK 998 History list 1 Start OK 999 Service list 1 Start OK OK means can set NG means can not set Note Refer to SERVICE FUNCTION TABLE P 62 for descri...

Страница 71: ...6 4 3 USER MODE The list below is an example of the SYSTEM SETUP LIST the unit prints out Note The above values are the default values 71 KX FL612CX KX FL612CX S ...

Страница 72: ...6 4 4 SERVICE MODE SETTINGS Example of a printed out list Note The above values are the default values 72 KX FL612CX KX FL612CX S ...

Страница 73: ...ISTORY Example of a printed out list Note See the following descriptions of this report Item No 1 54 are corresponding to the listed items in DESCRIPTIONS OF THE HISTORY REPORT P 74 73 KX FL612CX KX FL612CX S ...

Страница 74: ...The shows the very first month date year and time set by the user after they purchased the unit 11 USAGE TIME The amount of time the unit has been powered ON 12 FACTORY NOW This shows how many days from factory production until the user prints out this history list 13 TEL MODE The amount of time the TEL mode setting was used 14 FAX MODE The amount of time the FAX mode setting was used 15 Not used ...

Страница 75: ...ct 39 Not used 40 RMT DTMF Means the unit detected DTMF Remote Fax activation code entered remotely 41 PAL DTMF Means the unit detected DTMF Remote Fax activation code entered by a parallel connected telephone 42 TURN ON Means the unit started to receive after 10 rings Remote Turn On Service Code 573 43 Not used 44 IDENT Means the unit detected Ring Detection 45 Not used 46 Not used 47 Not used 48...

Страница 76: ...ions for the same problem as they are not a technician or engineer Using your experience test the problem area corresponding to the claim Also returns from a customer or dealer often have a claim tag For these cases as well you need to determine the problem Test the unit using the simple check list on SIMPLE CHECK LIST P 78 Difficult problems may be hard to determine so repeated testing is necessa...

Страница 77: ...ialization about 3 seconds and the other is the long initialization about 10 seconds The short initialization makes the unit enter the standby mode The long initialization makes the unit enter the standby mode after cleaning or detecting the rest of toner 77 KX FL612CX KX FL612CX S ...

Страница 78: ...6 5 4 SIMPLE CHECK LIST Note Check according to the service code referring to TEST FUNCTIONS P 64 78 KX FL612CX KX FL612CX S ...

Страница 79: ...minal Check the high voltage terminal Failed the high voltage power supply board Go to HIGH VOLTAGE SECTION P 140 Dirty the recording paper path Clean the recording paper path 5 BLACK PRINT P 92 Failed drum unit Replace drum unit Failed LSU Go to LSU SECTION P 137 Failed the high voltage terminal Check the high voltage terminal Failed the high voltage power supply board Go to HIGH VOLTAGE SECTION ...

Страница 80: ...separation rubber Failed the gear Check the gear Failed the engine motor Go to ENGINE MOTOR P 135 Failed the paper feed sensor lever Check the regist sensor paper top sensor lever Failed the paper feed sensor 5 THE RECORDING PAPER JAM P 99 PAPER JAMMED ON THE LCD Dirty or failed the pressure roller Clean or replace the pressure roller Dirty or failed the heat roller Clean or replace the heat rolle...

Страница 81: ...o to SKEW ADF P 104 The cause of scanner glass Problem with the other FAX machine 4 THE RECEIVED FAX DATA IS SKEWED P 105 The cause of printing Go to SKEW ADF P 104 Problem with the other FAX machine 5 THE RECEIVED OR COPIED DATA IS EXPANDED P 106 Dirty or failed the drive roller at ADF Clean or replace the drive roller Dirty or failed the document feed roller at ADF Clean or replace the document ...

Страница 82: ...or lever Failed the paper sensor Go to PAPER SENSOR OUT OF PAPER P 179 5 COVER OPEN on the LCD Failed the top cover open switch lever Replace the top cover open switch lever Failed the top cover open switch Go to TOP COVER OPEN SWITCH P 177 6 CALL SERVICE 1 on the LCD The polygon motor of LSU is unusually Check the connector and LSU and the digital board 7 CALL SERVICE 2 on the LCD The laser of LS...

Страница 83: ...DD and FF show their temperature Cause distinction code 00 means that CALL SERVICE 3 has not been appeared 01 means that it did not reach 56 C within 22 seconds since the heater was turned ON 03 means that it did not reach the secondary stabilizing temperature 160 C within 35 seconds from 56 C 04 means that it became T2 40deg 120 C or below after T2 the secondary stabilizing temperature 160 C The ...

Страница 84: ...6 5 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 IC606 32pin XREADY 84 KX FL612CX KX FL612CX S ...

Страница 85: ...ans that the synchronous signal out of the LSU cannot be detected The synchronous signal out of the LSU is detected by IC 606 33pin XHSYNC Note As for the Pulse waveform of the above flow chart see the timing chart 85 KX FL612CX KX FL612CX S ...

Страница 86: ...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 606 4pin When Call Service 3 is occurred the cause can be distinguished Refer to page 80 for details 86 KX FL612CX KX FL612CX S ...

Страница 87: ...the running of the FAN cannot be detected normally The running of the FAN is detected by IC 605 91pin CALL SERVICE 4 is displayed when it detects NG five times continuously After repairing copy five times If CALL SERVICE 4 is displayed check again 87 KX FL612CX KX FL612CX S ...

Страница 88: ...6 5 7 PRINT 6 5 7 1 GHOST IMAGE CROSS REFERENCE HIGH VOLTAGE SECTION P 140 POWER SUPPLY BOARD SECTION P 144 88 KX FL612CX KX FL612CX S ...

Страница 89: ...6 5 7 2 DARK OR WHITE VERTICAL LINE Note When wiping the lower glass reflecting mirror and LSU lens use a dry and soft cloth CROSS REFERENCE LSU SECTION P 137 89 KX FL612CX KX FL612CX S ...

Страница 90: ...6 5 7 3 DARK OR WHITE HORIZONTAL LINE CROSS REFERENCE HIGH VOLTAGE SECTION P 140 90 KX FL612CX KX FL612CX S ...

Страница 91: ...6 5 7 4 DIRTY OR HALF DARKNESS BACKGROUND CROSS REFERENCE HIGH VOLTAGE SECTION P 140 91 KX FL612CX KX FL612CX S ...

Страница 92: ...6 5 7 5 BLACK PRINT CROSS REFERENCE HIGH VOLTAGE SECTION P 140 LSU SECTION P 137 92 KX FL612CX KX FL612CX S ...

Страница 93: ...6 5 7 6 LIGHT PRINT CROSS REFERENCE HIGH VOLTAGE SECTION P 140 93 KX FL612CX KX FL612CX S ...

Страница 94: ...6 5 7 7 BLACK DENSITY IS LIGHT OR UNEVEN CROSS REFERENCE HIGH VOLTAGE SECTION P 140 94 KX FL612CX KX FL612CX S ...

Страница 95: ...6 5 7 8 BLANK PRINT 6 5 7 9 BLACK OR WHITE POINT 95 KX FL612CX KX FL612CX S ...

Страница 96: ...6 5 8 RECORDING PAPER FEED 6 5 8 1 MULTIPLE FEED 6 5 8 2 THE RECORDING PAPER IS WAVED OR WRINKLED 96 KX FL612CX KX FL612CX S ...

Страница 97: ...6 5 8 3 SKEW 97 KX FL612CX KX FL612CX S ...

Страница 98: ...6 5 8 4 THE RECORDING PAPER DOES NOT FEED CROSS REFERENCE SENSOR SECTION P 132 MOTOR SECTION P 135 98 KX FL612CX KX FL612CX S ...

Страница 99: ...R P 178 When the recording paper jam is occurred the service mode 630 distinguishes the cause 0 No Paper Jam 1 Failed pick up 2 The paper top sensor is not turned OFF although the fixed time had passed since the sensor was turned ON 6 5 8 5 THE RECORDING PAPER JAM 99 KX FL612CX KX FL612CX S ...

Страница 100: ...4 The paper eject sensor is not turned OFF although the fixed time had passed since it was turned ON 5 The register sensor paper top sensor or paper exit sensor was turned ON before the motor started to rotate 6 The register sensor paper top sensor chattered 7 The paper exit sensor chattered 100 KX FL612CX KX FL612CX S ...

Страница 101: ...6 5 8 6 BACK SIDE OF THE RECORDING PAPER IS DIRTY CROSS REFERENCE HIGH VOLTAGE SECTION P 140 101 KX FL612CX KX FL612CX S ...

Страница 102: ...6 5 9 ADF Auto document feed SECTION 6 5 9 1 NO DOCUMENT FEED DOCUMENT JAM and MULTIPLE DOCUMENT FEED CROSS REFERENCE SENSOR SECTION P 132 102 KX FL612CX KX FL612CX S ...

Страница 103: ...CROSS REFERENCE MOTOR SECTION P 135 103 KX FL612CX KX FL612CX S ...

Страница 104: ...6 5 9 2 SKEW ADF 104 KX FL612CX KX FL612CX S ...

Страница 105: ...6 5 9 3 THE SENT FAX DATA IS SKEWED CROSS REFERENCE SKEW ADF P 104 6 5 9 4 THE RECEIVED FAX DATA IS SKEWED CROSS REFERENCE SKEW P 97 105 KX FL612CX KX FL612CX S ...

Страница 106: ...6 5 9 5 THE RECEIVED OR COPIED DATA IS EXPANDED 106 KX FL612CX KX FL612CX S ...

Страница 107: ...6 5 9 6 BLACK OR WHITE VERTICAL LINE IS COPIED 107 KX FL612CX KX FL612CX S ...

Страница 108: ...6 5 9 7 AN ABNORMAL IMAGE IS COPIED CROSS REFERENCE CIS Contact Image Sensor SECTION P 138 108 KX FL612CX KX FL612CX S ...

Страница 109: ...also possible Troubleshooting Problem with the service line or with the transmitter s fax Refer to RECEIVE PROBLEM P 112 4 The fax completely fails to transmit or receive Copying is also possible Troubleshooting Problem with the electric circuit Refer to THE UNIT CAN COPY BUT CANNOT TRANSMIT RECEIVE P 113 5 The fax fails either to transmit or receive when making a long distance or an international...

Страница 110: ...0 1 DEFECTIVE FACSIMILE SECTION 6 5 10 1 1 TRANSMIT PROBLEM CROSS REFERENCE CLEANING THE INSIDE OF THE UNIT P 32 ADF Auto document feed SECTION P 102 OPERATION PANEL SECTION P 131 110 KX FL612CX KX FL612CX S ...

Страница 111: ...TRANSMIT PROBLEM Note 596 Transmit level set represents a service code Refer to the SERVICE FUNCTION TABLE P 62 717 Transmit speed select represents a service code Refer to the SERVICE FUNCTION TABLE P 62 111 KX FL612CX KX FL612CX S ...

Страница 112: ...g 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 62 718 Receive speed select represents a service code Refer to the SERVICE FUNCTION TABLE P 62 112 KX FL612CX KX FL612CX S ...

Страница 113: ...MEMORY FULL and its main cause for example OUT OF PAPER are displayed on the LCD Accordingly by solving the main problem MEMORY FULL can be canceled and the receiving problem can solved Please refer to USER RECOVERABLE ERRORS P 59 for the above items Also when it actually becomes a hardware deformity please check each sensor 6 5 10 1 4 THE UNIT CAN COPY BUT CANNOT TRANSMIT RECEIVE CROSS REFERENCE ...

Страница 114: ...ation 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 RESOLUTION standard ...

Страница 115: ...ny times the trigger has been used For example 0003 means three times No Display Function 1 FAX MODE Means the unit received a fax message in the FAX mode 2 MAN RCV Means the unit received a fax message by manual operation 3 RMT DTMF Means the unit detected DTMF Remote Fax activation code entered remotely 4 PAL DTMF Means the unit detected DTMF Remote Fax activation code entered by a parallel conn...

Страница 116: ...eans 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 6 5 11 2 JOURNAL 3 Description 6 5 11 3 PRINTOUT EXAMPLE 116 KX FL612CX KX FL612CX S ...

Страница 117: ...117 KX FL612CX KX FL612CX S ...

Страница 118: ... PRI Q 8 51 COMMUNICATION ERROR RCV PIN is transmitted 8 52 COMMUNICATION ERROR RCV Reception is finished when the T1 TIMER expires 9 54 ERROR NOT YOUR UNIT RCV DCN is received after DIS transmission 11 58 COMMUNICATION ERROR RCV DCN is received after FTT transmission 13 59 ERROR NOT YOUR UNIT SND DCN responds to the post message 14 65 COMMUNICATION ERROR SND DCN is received before DIS reception 2...

Страница 119: ...Note If the problem remains see the following Countermeasure flow chart 119 KX FL612CX KX FL612CX S ...

Страница 120: ...CROSS REFERENCE TEST FUNCTIONS P 64 120 KX FL612CX KX FL612CX S ...

Страница 121: ...CROSS REFERENCE TEST FUNCTIONS P 64 121 KX FL612CX KX FL612CX S ...

Страница 122: ...CROSS REFERENCE TEST FUNCTIONS P 64 122 KX FL612CX KX FL612CX S ...

Страница 123: ...CROSS REFERENCE TEST FUNCTIONS P 64 123 KX FL612CX KX FL612CX S ...

Страница 124: ...124 KX FL612CX KX FL612CX S ...

Страница 125: ...125 KX FL612CX KX FL612CX S ...

Страница 126: ...CROSS REFERENCE TEST FUNCTIONS P 64 126 KX FL612CX KX FL612CX S ...

Страница 127: ...zes and checks each IC The ROM IC607 SDRAM IC604 and MODEM IC600 are checked If initialization fails for the ICs the system will not boot up In this case please find the cause as follows CROSS REFERENCE NG EXAMPLE P 209 POWER SUPPLY BOARD SECTION P 144 127 KX FL612CX KX FL612CX S ...

Страница 128: ...s output to the telephone line The signal mainly flowing on this route is analog You can trace the signal with an oscilloscope The signal flow on each route is shown in the Check Sheet here If you find a specific problem in the unit for example if you cannot communicate with the H S trace that signal route locally with the following Check Sheet and locate the faulty point 6 5 13 1 CHECK SHEET Note...

Страница 129: ...n 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 receiving or between the microphone and the telephone line sending or between the telephone line and the speaker receiving Check the components at that point CHECK SHEET P 128 is useful fo...

Страница 130: ...The FAX turns on but does not arrive through TAM CROSS REFERENCE TAM INTERFACE SECTION P 164 2 A FAX is received but won t switch from TAM to FAX CROSS REFERENCE ANALOG BOARD SECTION P 128 TAM INTERFACE SECTION P 164 130 KX FL612CX KX FL612CX S ...

Страница 131: ...6 5 13 4 OPERATION PANEL SECTION Refer to TEST FUNCTIONS P 64 1 NO KEY OPERATION 2 NO LCD INDICATION CROSS REFERENCE TEST FUNCTIONS P 64 131 KX FL612CX KX FL612CX S ...

Страница 132: ...t description Perform an SENSOR CHECK to determine if the sensor is operating correctly 1 Check the document sensor CHECK DOCUMENT 2 Check the paper feed sensor REMOVE DOCUMENT 3 Check the hook switch 4 Check the cover open switch COVER OPEN 132 KX FL612CX KX FL612CX S ...

Страница 133: ...5 Check the DRUM sensor CHECK DRUM 6 Check the regist sensor FAILED PICKUP 7 Check the paper sensor OUT OF PAPER 8 Check the exit switch PAPER JAMMED 133 KX FL612CX KX FL612CX S ...

Страница 134: ...following check remove the drum from the main body set it again and close the cover then perform that check during initializing operation Refer to SENSORS AND SWITCHES SECTION P 175 CROSS REFERENCE SENSORS AND SWITCHES SECTION P 175 134 KX FL612CX KX FL612CX S ...

Страница 135: ...6 5 13 6 MOTOR SECTION 6 5 13 6 1 ENGINE MOTOR 135 KX FL612CX KX FL612CX S ...

Страница 136: ...6 5 13 6 2 ADF MOTOR 136 KX FL612CX KX FL612CX S ...

Страница 137: ...6 5 13 7 LSU SECTION CROSS REFERENCE LSU Laser Scanning Unit SECTION P 173 137 KX FL612CX KX FL612CX S ...

Страница 138: ...6 5 14 CIS Contact Image Sensor SECTION CROSS REFERENCE TEST FUNCTIONS P 64 138 KX FL612CX KX FL612CX S ...

Страница 139: ...o output high voltage from each terminal so be careful not to touch them The sound Pi Pi Pi warns that the high voltage is outputting 7 When the measurement is finished push the STOP button The high voltage output is stopped 8 Repeat the items No 5 7 until the measurement is finished 9 When the measurement is finished turn OFF the TOP cover SW Output voltage of each terminal No BIAS Name Specified...

Страница 140: ...6 5 16 HIGH VOLTAGE SECTION 140 KX FL612CX KX FL612CX S ...

Страница 141: ...141 KX FL612CX KX FL612CX S ...

Страница 142: ...142 KX FL612CX KX FL612CX S ...

Страница 143: ...igh Voltage Probe HV PROBE 9014 of HIOKI electric co or the equivalent should be used As for the tester FLUKE 85 III multi meter or the equivalent should be used Be careful not to touch the terminals during adjustment because the high voltage is used 143 KX FL612CX KX FL612CX S ...

Страница 144: ...ithstanding 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 side rather than the seco...

Страница 145: ...6 5 17 2 TROUBLESHOOTING FLOW CHART 145 KX FL612CX KX FL612CX S ...

Страница 146: ...1 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 R109 and IC101 You should change all of the parts listed as follows F101 Q101 R109 IC101 D201 If D201 is broken the oscillation circuit in the power supply cannot operate Check it with an electric tester 146 KX FL6...

Страница 147: ...7 CIRCUIT OPERATIONS 7 1 CONNECTION DIAGRAM 147 KX FL612CX KX FL612CX S ...

Страница 148: ...rols FAN MOTOR and detect the rotation of FAN MOTOR 5 SENSOR I F Controls the LED and detect the sensor signal 6 I O PORT I O Port Interface 3 ROM IC607 This 8MB FLASH ROM contains all of the program instructions on the unit operations 4 Synchronous Dynamic RAM IC604 This SDRAM is used for CPU work and receiving memory and page memory 5 MODEM IC600 Performs the modulation and the demodulation for ...

Страница 149: ...149 KX FL612CX KX FL612CX S ...

Страница 150: ...C609 CN608 TO CIS CN606 TO OPE CN610 TO TXMOTOR CN604 TO EXIT CN601 TO TNR CN611 TO POLY CN612 TO LASER CN609 TO RXMOTOR CN600 TO ANALOG CN602 TO FAN CN607 TO PC CN603 TO PICK A D BUS I F Print Controller Image Processor EVOL IC611 FSK IC IC602 CN613 TO SMPS CN614 TO HVPS XROMCS SDCLK etc CLK 16MHz CS LINEOUT LINEIN VOLIN VOLOUT INT 24V 5V RESET REGULATOR IC608 RESET 3 3V 2 5V 3 3V 5V RESET PS601 ...

Страница 151: ...I O Port Interface 7 3 1 5 SYNCHRONOUS DYNAMIC RAM IC604 This SDRAM is used for CPU work and receiving memory and page memory 7 3 1 6 MODEM IC600 Performs the modulation and the demodulation for FAX communication Detects the CALLER ID DTMF signal 7 3 1 7 FSK RECEIVER IC602 Detects the CALLER ID FSK signal Description of Pin Distribution IC606 PIN No SIGNAL I O POWER SUPPLIED VOLTAGE EXPLANATION 1 ...

Страница 152: ...49 XCHKCS ÇnÇo03 O 3 3V NOT USED 50 XROMCS O 3 3V ROM IC607 CHIP SELECT 51 XRD O 3 3V CPU RD 52 XWR O 3 3V CPU WR 53 DB0 I O 3 3V DATA BUS 0 54 DB1 I O 3 3V DATA BUS 1 55 DB2 I O 3 3V DATA BUS 2 56 DB3 I O 3 3V DATA BUS 3 57 DB4 I O 3 3V DATA BUS 4 58 DB5 I O 3 3V DATA BUS 5 59 DB6 I O 3 3V DATA BUS 6 60 DB7 I O 3 3V DATA BUS 7 61 DB8 I O 3 3V DATA BUS 8 62 DB9 I O 3 3V DATA BUS 9 63 DB10 I O 3 3V...

Страница 153: ...T USED 119 ADR15 IOP17 O 3 3V NOT USED 120 XNMI XINT I 3 3V NOT USED 121 TEST1 I 3 3V NOT USED 122 TEST2 I 3 3V NOT USED 123 TEST3 I 3 3V NOT USED 124 TEST4 I 3 3V NOT USED 125 VDD2 5V PWR 2 5V POWER SOURCE 126 VSS GND GND GND 127 F1 O 3 3V CLOCK FOR CIS 128 FTG O 3 3V STROBE FOR CIS 129 TXD IOP20 O 3 3V RS232C CONTROL FOR SERVICE FUNCTION 130 RXD IOP21 I 3 3V RS232C CONTROL FOR SERVICE FUNCTION 1...

Страница 154: ...34 IOP51 O 5V OUTPUT PORT LEDCTL 35 IOP52 I 5V INPUT PORT PAPER 36 IOP53 O 5V OUTPUT PORT PDWN 37 IOP54 I 5V INPUT PORT TOPCVR 38 IOP55 O 5V OUTPUT PORT DEV 39 IOP56 O 5V OUTPUT PORT CHG 40 3 3V 3 3V 3 3V POWER SOURCE 41 VSS 0V GND GND 42 DB0 I O 3 3V DATA BUS 0 43 DB1 I O 3 3V DATA BUS 1 44 DB2 I O 3 3V DATA BUS 2 45 DB3 I O 3 3V DATA BUS 3 46 DB4 I O 3 3V DATA BUS 4 47 DB5 I O 3 3V DATA BUS 5 48...

Страница 155: ...2 VOUT2 OP27 O 5V OUTPUT FROM INVERTER 83 RM0 O 5V RX MOTOR CONTROL 84 RM1 O 5V RX MOTOR CONTROL 85 RM2 O 5V RX MOTOR CONTROL 86 RM3 O 5V RX MOTOR CONTROL 87 RXE O 5V NOT USED 88 5V 5V 5V POWER SOURCE 89 VSS 0V GND GND 90 IOP57 O 5V NOT USED 91 FANDET1 IOP14 I 5V DETECT FAN ROTATION 92 FANON1 IOP15 O 5V FAN CONTROL 93 FANDET2 IOP16 O 5V OUTPUT PORT BREAK 94 FANON2 IOP17 O 5V FAN CONTROL 95 IOP60 C...

Страница 156: ... switch is turned ON power is supplied to the RTC inside IC606 At this time the voltage at pin 10 of the IC606 is 3 3V When the power switch is turned OFF the BAT600 supplies power to RTC through D602 The voltage at pin 10 of IC606 is about 2 5V When the power switch is OFF and the voltage of 3 3V decreases pin 10 of RTC IC606 becomes roughly the same voltage as the battery voltage RTC goes into t...

Страница 157: ...nalog image data which is received from the telephone line passes through the NCU section and enters pin 60 of the modem IC600 The signals that enter pin 60 of the modem IC600 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 inter...

Страница 158: ...Data input 21 EXTOUT Ext amp input 4 VDD Logic power supply 22 LINEOUT Line amp output 5 VOXOUT VOX output 23 LINEIN Line amp input 6 VOXDET VOX detection adjustment 24 MODEMTXIN MODEM TX amp input 7 VOXIN VOX input 25 MODEMTXOUT MODEM TX amp output 8 VSS Logic ground 26 NC Not used 9 NC Not used 27 TONEIN Tone amp input 10 ROUT2 HS receiver amp output 2 28 NC Not used 11 ROUT1 HS receiver amp out...

Страница 159: ...ol signals transmitted to the analog section are output mainly from G A IC605 and the analog status is stored as data in G A IC605 2 Circuit Operation NCU Network Control Unit the NCU comprises of the following DC loop forming circuit to connect with the telephone line Switching circuit for other interconnected telephones Bell detection circuit Side tone circuit Remote fax activation circuit Refer...

Страница 160: ...R287 R288 Q211 D210 T202 TO HANDSET CN202 C292 C318 C317 R335 R312 R313 R314 C294 C277 R293 C314 IC202 B AGC IC208 R334 C308 C296 R316 R299 KX FL512CX ANALOG BOARD BLOCK DIAGRAM R326 R222 C219 C202 C299 R318 R283 5 4 3 2 1 DC LOOP IC207 D211 D212 R315 RY200 IC202 A C204 C307 R206 R325 LPF R297 R296 R295 C285 C320 C281 5 6 7 8dB MUTE1 L247 L248 CN204 1 2 3 4 5 6 R331 C312 C309 R327 R329 C286 R298 C...

Страница 161: ...ING LINE IDENTIFICATION CIRCUIT 1 Function This unit is compatible with the Caller ID service offered by your local telephone company To use this feature you must subscribe 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 The data from the telephone exchange is a modem signal which is mod...

Страница 162: ... and R229 and goes into the amplifier IC204 pin 3 This circuit is used to cancel the transmission return signal The TX signal is output to the circuit analog the route from the IC204 7 pin L230 C237 R244 R243 T201 TEL LINE However if balance is lost in the bridge a voltage occurs between the IC207 6 pin and 5 pin and a side tone results because the balance cannot be maintained completely at all fr...

Страница 163: ...TERFACE SECTION P 164 7 5 ITS Integrated telephone System and MONITOR SECTION 7 5 1 GENERAL The general ITS operation is performed by the special IC207 which has a handset circuit The alarm tone the key tone and the beep are output from the ASIC IC606 digital board 7 5 1 1 TELEPHONE MONITOR 1 Function This is the function when you are not holding the handset and can hear the caller s voice from th...

Страница 164: ...SECTION 1 Function When TAM is connected to this unit the unit receives documents for FAX calls or the external TAM records a voice message automatically 2 Circuit Operation The TAM INTERFACE circuit consists of the transformer T202 amplifier IC202 analog ASIC IC207 MODEM IC600 on the digital board to detect the other party CNG signal and RLY200 to separate EXT TAM a CNG signal detection circuit T...

Страница 165: ...ansistor Q618 turns on This applies voltage to the LED to light it The contact image sensor is driven by each of the FTG F1 signals output from IC606 and the original image illuminated by the LED undergoes photoelectric conversion to output an analog image signal SIG The analog image signal is input to the system ASIC on AIN1 pin 3 of IC606 and converted into 8 bit data by the A D converter inside...

Страница 166: ...inting 2 Motor operation Excitation pulses is output from G A IC605 pins 83 84 85 and 86 Then stepping pulses are output from driver IC IC609 pin No 2 7 8 and 13 and drives the motor coil During motor driving pin 90 of G A IC605 becomes a low level As a result a current of about 1A are supplied to the motor coil DRIVE MODE FUNCTION MODE PHASE PATTERN SPEED CURRENT PRINT 2 phase 951pps 1A 166 KX FL...

Страница 167: ...7 7 1 2 ENGINE MOTOR DRIVE CIRCUIT 167 KX FL612CX KX FL612CX S ...

Страница 168: ...tor driving pin 25 of ASIC IC606 becomes a high level and Q613 Q620 turns ON As a result 24V is supplied to the motor coil Stepping pulses are output from ASIC IC606 pins 21 22 23 24 causing driver IC610 pins 16 13 to drive the motor coil The motor coil is energized sequentially in 2 phase increments which causes a 1 step rotation A 1 step rotation feeds 0 065mm of document paper 168 KX FL612CX KX...

Страница 169: ... PHASE PATTERN SPEED SCAN FAX STANDARD 2 phase 579pps SCAN FAX COPY FINE PHOTO 2 phase 579pps SCAN FAX COPY SUPER FINE 1 2 phase 579pps SCAN FAX COPY PHOTO WITH TEXT 2 phase 579pps SCAN DOC PREFEED EJECT 2 phase 579pps STAND BY ALL PHASE OFF 169 KX FL612CX KX FL612CX S ...

Страница 170: ... to radiate heat in the unit The signal level at pin 92 94 of IC605 becomes high the FAN is activated In this case the pulse signal as shown below input to pin 91 of IC605 and the rotation of the FAN is detected 170 KX FL612CX KX FL612CX S ...

Страница 171: ...r printing is finished it rotates at low speed Approx 2200 rpm when the temperature of the unit goes up over a fixed one or depending on the number of printed papers frequency While the fan is rotating at high speed the voltage of Approx 21 V is supplied to the fan however while rotating at low speed the supply voltage is decreased to Approx 12V Each signal wave is as follows 1 High speed rotation...

Страница 172: ...rols the pick up clutch The solenoid is designed to be driven by 24V driven by IC605 17 pin Diode D600 protects Q607 from backward voltage when the solenoid is driven Mode IC606 149 pin SOLENOID ON high level SOLENOID OFF low level 172 KX FL612CX KX FL612CX S ...

Страница 173: ...7 10 LSU Laser Scanning Unit SECTION 173 KX FL612CX KX FL612CX S ...

Страница 174: ...174 KX FL612CX KX FL612CX S ...

Страница 175: ...01 Register FAILED PICKUP Digital PCB PS600 Paper OUT OF PAPER Exit Sensor PCB PS51 Exit PAPER JAMMED Toner Sensor PCB SW60 IC60 Dev Toner Set TONER EMPTY TONER LOW CHECK DRUM Analog PCB SW200 Hook Note See TEST FUNCTIONS SENSOR CHECK SECTION for the sensor test 815 of Service Mode test Refer to TEST FUNCTIONS P 64 7 11 1 HOOK SWITCH When the handset is raised the switch is turned OFF and the sign...

Страница 176: ...s ON and the input signal of IC101 19pin becomes a low level Photo transistor Signal IC101 19pin Document Set OFF High level No Document ON Low level 7 11 3 PAPER FEED SENSOR The Sensor detects the front edge of the document When a document is detected the switch turns ON and the input signal of IC605 74pin becomes a low level When there is no document the switch turns OFF and the input signal of ...

Страница 177: ...turns OFF and the input signal of IC605 37pin becomes a low level Switch Signal IC605 37 pin Open OFF Low level Close ON High level 7 11 5 DRUM SENSOR The Switch detects whether the OPC unit is set or not When there is the DRUM unit the input signal of IC605 16pin becomes a high level When there is no DRUM unit the input signal of IC605 16pin becomes a low level Signal IC605 16 pin DRUM Set High l...

Страница 178: ...sing through the photo transistor turns ON and the input signal of IC605 5pin becomes a low level When there is no recording paper the shelter plate closes the sensor light the photo transistor turns OFF and the input signal of IC605 5pin becomes a high level Photo transistor Signal IC605 5 pin No Recording Paper OFF High level Recording Paper Regist ON Low level 178 KX FL612CX KX FL612CX S ...

Страница 179: ...5 pin Recording Paper Set OFF Low level No Recording Paper ON High level 7 11 8 PAPER EXIT SENSOR PAPER JAMMED The sensor detects whether the recording paper exit out or noy When there is no recording paper at the position of the sensor the shelter plate closes the sensor light the photo transistor fot tarus OFF and the input signal of IC605 4pin becomes high level When the recording paper reach t...

Страница 180: ...m unit is new or old should be judged by detecting the turn delay of Mixing Paddle Toner detection sensor When shipping the drum unit the mixing paddle gear is set to the position that has the space of more than one turn max 600 After the main motor starts when the toner detection signal is not varied within the fixed time max 4 5 sec the drum unit is found new 180 KX FL612CX KX FL612CX S ...

Страница 181: ...181 KX FL612CX KX FL612CX S ...

Страница 182: ...on the pendulum of Mixing Paddle The pendulum is pushed up by the Mixing Paddle then it falls down by its own weight The rotation speed of paddle is set slower than the one of pendulum which falls down by its own weight When the toner is still left the pendulum falls and stops on the toner then pushed by the paddle it starts to rotate When no toner is left the pendulum falls to the bottom Conseque...

Страница 183: ...al at only printing It is not executed at 2 Toner full can be judged by continuous 3 times TONER FULL signal at initialization It is not executed at printing 3 In the ordinal operation CHECK DRUM is displayed when TONER EMPTY sensor does not generate a signal for 2 7 seconds 183 KX FL612CX KX FL612CX S ...

Страница 184: ...ey Matrix a Hard Scan KIN0 KIN1 KIN2 KIN3 KIN4 KIN5 KIN6 KIN7 KSL0 AUTO ANSWER CALLER IQ NEXT STOP MENU FLASH H S MUTE REDIAL PAUSE KSL1 QUICK SCAN S6 VOL CID SEARCH DIRECTORY PROGRAM 0 KSL2 COPY PREV CID PRINT 9 8 7 KSL3 RESOLUTION COLLATE S12 MONITOR 3 2 1 KSL4 FAX START VOL S11 HELP 6 5 4 LED7 should be set to KSL4 8 x 5 key matrix is executed by hardware scanning b Soft Scan SKIN0 XLED8 KIN1 X...

Страница 185: ...e ASCII code from the data bus D4 D7 V0 is supplied for the crystal drive R130 and R134 are density control resistors Consequently in this unit the timing positive clock is generated by the LCD interface circuitry in the gate array IC101 185 KX FL612CX KX FL612CX S ...

Страница 186: ...g Rate output voltage 150 20V DEV BIAS Output format Constant voltage 3 Transfer Variable output current 4 25µA Output current TRA BIAS Output voltage 3500V Max varies with the Output format Variable Constant current rate printed Transfer Rate output voltage 1000 100V TRA BIAS Output format Constant voltage DEV BIAS is output from one of the output terminals after the DEV CHG signal selects DEV BI...

Страница 187: ... TRA CLK terminal is Open Transfer BIAS 1000V is output from TRA OUTPUT the moment Charge BIAS 1000V is output from CHG OUTPUT When 7 8KHz PWM pulse width modulation signal is input to the TRA CLK terminal Q103 turns ON by IC101 and TRA CURRENT BIAS according to the PWM signal is output from TRA OUTPUT The PWM signal will be turned to a constant voltage by the resistor and the condenser and input ...

Страница 188: ... the heater control port IC606 29pin and is turned ON OFF at the triac SCR101 And two thermostats are set on the AC line as the safety devices 1 Control at Printing a After the printing signal is received turn ON the heater b After that turn ON the motor at the Primary Stable Temperature 150 C c After that control at the Secondary Stable temperature 160 C and feed papers 188 KX FL612CX KX FL612CX ...

Страница 189: ...2 Safety Protection a 2 thermostats are provided with the unit and the heater circuit is shut down when their surface temperatures became over 189 KX FL612CX KX FL612CX S ...

Страница 190: ...ware turns off the heater control automatically if the heater is not turned ON every a fixed time c When the temperature became over 240 C the heater control circuit of IC606 is turned off forcedly and system reset IC606 pin 20 becomes Low will be executed 190 KX FL612CX KX FL612CX S ...

Страница 191: ... 6 8E 52 2A 98 0C 7 8B 53 29 99 0C 8 88 54 27 100 0C 9 85 55 26 101 0B 10 82 56 25 102 0B 11 7F 57 24 103 0B 12 7C 58 23 104 0A 13 79 59 22 105 0A 14 76 60 21 106 0A 15 73 61 20 107 0A 16 70 62 20 108 09 17 6D 63 1F 109 09 18 6A 64 1E 110 09 19 68 65 1D 111 09 20 65 66 1C 112 09 21 63 67 1B 113 08 22 60 68 1B 114 08 23 5D 69 1A 115 08 24 5B 70 19 116 08 25 59 71 19 117 08 26 56 72 18 118 07 27 54 ...

Страница 192: ...97 AA 181 4C 14 E2 98 A9 182 4C 15 E1 99 A8 183 4B 16 E1 100 A7 184 4A 17 E1 101 A6 185 4A 18 E1 102 A5 186 49 19 E0 103 A3 187 48 20 E0 104 A2 188 47 21 E0 105 A1 189 46 22 E0 106 A0 190 45 23 DF 107 9E 191 44 24 DF 108 9D 192 44 25 DF 109 9C 193 43 26 DE 110 9C 194 42 27 DE 111 9A 195 41 28 DE 112 99 196 40 29 DD 113 98 197 40 30 DE 114 96 198 3F 31 DD 115 95 199 3E 32 DD 116 94 200 3D 33 DD 117...

Страница 193: ...43 72 227 2C 60 CD 144 72 228 2A 61 CD 145 70 229 2B 62 CD 146 6F 230 2A 63 CC 147 6E 231 2A 64 CB 148 6D 232 29 65 CA 149 6C 233 2A 66 CA 150 6A 234 29 67 C9 151 69 235 29 68 C8 152 69 236 28 69 C7 153 68 237 28 70 C6 154 67 238 27 71 C5 155 66 239 27 72 C4 156 64 240 26 73 C3 157 63 241 26 74 C2 158 62 242 25 75 C2 159 61 243 25 76 C1 160 60 244 24 77 C0 161 5F 245 24 78 BF 162 5E 246 24 79 BE 1...

Страница 194: ...G H Voltage Wave Form 0 0 0 CN101 CN102 T101 PC101 IC201 Triac SCR101 Heat Lamp PDWN Photo Trioc Caupler PC102 Block Diagram Freq SW Circuit PC103 Input Circuit The input current goes into the input rectifier circuit through the filter circuit The filter circuit decreases the noise voltage and the noise electric field strength Rectifier Circuit The input current is rectified by D101 D104 and charg...

Страница 195: ... 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 output voltage is stabili...

Страница 196: ...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 ...

Страница 197: ... potential The sensitive drum is the Organic Photo Conductor OPC which is a electric conductive cylinder whose surface is covered with the Charge Generation Layer CGL and Charge Transfer Layer CTL When the charging bias DC 1 0 KV is added and the minus charge is supplied to the charge brush while charging the whole surface potential of the drum is 600V Charging Part 197 KX FL612CX KX FL612CX S ...

Страница 198: ...hich conducts the plus charge the minus charged drum s surface is neutralized to be skipped Then the minus charge goes to the ground from the electric conductive cylinder Consequently the charge of the part which is not exposed remains as it is and the electric potential of the scanned part changes At that time an invisible image is created on the drum Exposing Part 8 1 4 LASER SCANNING UNIT LOCAT...

Страница 199: ...s transferred to the surface of the exposed OPC drum by the potential difference between the developing roller and OPC drum s surface The transfer is the stage that the created image on the OPC drum is transferred to the paper When the transfer roller is plus charged with the image the minus charged toner particles are gathered on the surface of the drum and transferred to the paper Developing and...

Страница 200: ...e 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 When no paper is supplied the transfer roller is minus charged to eliminate the minus charged toner Cleaning Part 200 KX FL612CX KX FL612CX S ...

Страница 201: ...t from attaching the toners The press roller is made of silicon and its spring compresses the melted toner Fixing Part The fixing part becomes high temperature so the thermistor and the thermal fuse are provided 1 Thermistor The thermistor touches the heat roller and check the temperature to feed back to the control circuit The surface temperature should be kept 160 C while printing 2 Thermostat T...

Страница 202: ...8 1 8 TIMING CHART When Printing Two Sheets of Paper BASIC 202 KX FL612CX KX FL612CX S ...

Страница 203: ...8 1 9 Timing Chart Initializing Long 203 KX FL612CX KX FL612CX S ...

Страница 204: ...8 1 10 Timing Chart when the registration sensor is turned OFF then ON during initializing 204 KX FL612CX KX FL612CX S ...

Страница 205: ...8 2 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 205 KX FL612CX KX FL612CX S ...

Страница 206: ... See ABOUT LEAD FREE SOLDER PbF Pb free P 4 8 3 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 8 3 1 PREPARATION 8 3 2 FLAT PACKAGE IC REMOVAL PROCEDURE 1 Put plenty of solder on the IC pins so tha...

Страница 207: ... 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 8 3 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 207 KX FL612CX KX FL612CX S ...

Страница 208: ...and any malfunctions are analyzed In past experiences digital IC especially DRAM and ROM malfunctions are extremely rare after installation in the product This may be repaired by replacing the IC DRAM etc However the real cause may not have been an IC malfunction but a soldering fault instead Soldering faults difficult to detect with the naked eye are common particularly for ASIC and RA Resistor A...

Страница 209: ...8 4 1 NG EXAMPLE 209 KX FL612CX KX FL612CX S ...

Страница 210: ... Determined in 1968 Transmission for about 6 minutes at a scanning line density of 3 85 lines mm Group II G2 Using reduction technology in the modulation demodulation format an A 4 size document is sent at an official scanning line density of 3 85 lines mm for about 3 minutes Methods to suppress redundancy are not used Determined in 1976 Group III G3 Method of suppressing redundancy in the image s...

Страница 211: ...ocument was actually sent and to check for telephone reservations and or the existence of continuous transmission 5 Facsimile Standards Item Telephone Network Facsimile G3 Machine Connection Control Mode Telephone Network Signal Mode Terminal Control Mode T 30 Binary Facsimile Signal Format Digital Modulation Mode PSK V 27 ter or QAM V 29 Transmission Speed 300 bps Control Signal 2400 4800 7200 96...

Страница 212: ...S Digital Command Signal Identification Signal Format X1000001 Example Some models do not support the following items Bit No DIS DTC DCS 1 Transmitter T 2 operation 2 Receiver T 2 operation Receiver T 2 operation 3 T 2 IOC 176 T 2 IOC 176 4 Transmitter T 3 operation 5 Receiver T 3 operation Receiver T 3 operation 6 Reserved for future T 3 operation features 7 Reserved for future T 3 operation feat...

Страница 213: ...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 1 2 T3 85 20 ms at 3 85 l mm T7 7 1 2 T3 85 40 ms at 3 85 l mm T7 7 1 2 T3 85 0 ms at 3 85 l mm T7 7 T3 85 Minimum scan line time 20 ms 40 ms 10 ms 5 ms 0 ms 2...

Страница 214: ...onfirmation 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 speed by one stage and initiates training once again Training 2 Used for reconfirming the receiving side like training 1 Image Signal Refer to the next page RTC Return to Control...

Страница 215: ...215 KX FL612CX KX FL612CX S ...

Страница 216: ...8 6 TEST CHART 8 6 1 ORIGINAL TEST CHART 216 KX FL612CX KX FL612CX S ...

Страница 217: ...8 6 2 ITU T No 1 TEST CHART 217 KX FL612CX KX FL612CX S ...

Страница 218: ...8 6 3 ITU T No 2 TEST CHART 218 KX FL612CX KX FL612CX S ...

Страница 219: ...9 FIXTURES AND TOOLS 219 KX FL612CX KX FL612CX S ...

Страница 220: ...10 CABINET MECHANICAL AND ELECTRICAL PARTS LOCATION 10 1 GENERAL SECTION 220 KX FL612CX KX FL612CX S ...

Страница 221: ...10 2 OPERATION COVER SECTION 1 221 KX FL612CX KX FL612CX S ...

Страница 222: ...10 3 OPERATION COVER SECTION 2 222 KX FL612CX KX FL612CX S ...

Страница 223: ...10 4 OPERATION COVER SECTION 3 223 KX FL612CX KX FL612CX S ...

Страница 224: ...10 5 PICK UP SECTION 224 KX FL612CX KX FL612CX S ...

Страница 225: ...10 6 FUSER SECTION 225 KX FL612CX KX FL612CX S ...

Страница 226: ...10 7 UPPER MAIN CABINET SECTION 226 KX FL612CX KX FL612CX S ...

Страница 227: ...10 8 LOWER MAIN CABINET SECTION 1 227 KX FL612CX KX FL612CX S ...

Страница 228: ...10 9 LOWER MAIN CABINET SECTION 2 228 KX FL612CX KX FL612CX S ...

Страница 229: ...10 10 LOWER CABINET SECTION 3 229 KX FL612CX KX FL612CX S ...

Страница 230: ...10 11 ACTUAL SIZE OF SCREWS AND WASHER 230 KX FL612CX KX FL612CX S ...

Страница 231: ...11 ACCESSORIES AND PACKING MATERIALS 231 KX FL612CX KX FL612CX S ...

Страница 232: ...HB 14 PFBX1193Z1 PUSH BUTTON STP ABS HB 15 PFBC1101Z1 PUSH BUTTON COPY START ABS HB 16 PFBC1099Z1 PUSH BUTTON START ABS HB 17 PFBX1190Z1 PUSH BUTTON DIAL ABS HB 18 PFGP1285S1 PANEL LCD 19 PFGV1015Z COVER TEL CARD 20 PFGD1050Z CARD TEL NO 21 PFGG1225Z1 GRILL SUB PS HB 22 PFGB1003Z3 BADGE 23 PFGX1009Z RING NAVI ABS HB 24 PFGG1224S1 GRILLE OPERATION PS HB 12 1 2 OPERATION COVER SECTION 2 Ref No Part ...

Страница 233: ... POM 159 PFDF1097Z SHAFT 160 PQDR9685Y ROLLER POM 161 PFUS1275Z COIL SPRING 162 PFGT2517Z M NAME PLATE AL 163 PFUE1022Z CASE COVER 164 PFUS1448Z LEAF SPRING 165 PF0G1006Z MIRROR 166 PFQT2077Z LABEL 12 1 7 LOWER MAIN CABINET SECTION 1 Ref No Part No Part Name Description Remarks 180 PFMD1065Z COVER 181 PFHG1169Z RUBBER PARTS FOOT 182 LPA1603K LASER UNIT 183 PQLB1E1 INSULATOR 184 PFJP03S04Z AC SOCKE...

Страница 234: ...ISTOR S Q604 PQVTDTC143E TRANSISTOR S Q605 2SB1197K TRANSISTOR S Q606 PQVTDTC143E TRANSISTOR S Q607 2SB1197K TRANSISTOR S Ref No Part No Part Name Description Remarks Q609 2SC4155S TRANSISTOR S Q612 PQVTD143Z106 TRANSISTOR S Q613 PQVTD143Z106 TRANSISTOR S Q614 2SC4155S TRANSISTOR S Q615 PQVTDTC143E TRANSISTOR S Q616 PQVTDTC143E TRANSISTOR S Q617 PQVTD143Z106 TRANSISTOR S Q618 2SC4155S TRANSISTOR S...

Страница 235: ...04ZFV 0 1 C758 ECEA1CKS100 10 S C761 ECUV1H181JCV 180p S CONNECTORS CN600 PQJS28X59Z CONNECTOR 28P CN601 PQJP4G30Z CONNECTOR 4P S CN602 PQJP3G30Z CONNECTOR 3P S CN603 PQJP02G100Z CONNECTOR 2P CN604 PQJP5G30Z CONNECTOR 5P S CN606 PQJP8G30Z CONNECTOR 8P S CN607 PQJS08X53Z CONNECTOR 8P CN608 PQJP7G30Z CONNECTOR 7P S CN609 PQJP4G30Z CONNECTOR 4P S CN610 PQJP5G30Z CONNECTOR 5P S CN611 PQJP05G100Z CONNE...

Страница 236: ...R654 ERJ3GEYJ103 10k R655 ERJ3GEYJ272 2 7k R656 ERJ3GEYJ222 2 2k R657 ERJ3GEYJ102 1k R658 ERJ3GEYJ102 1k Ref No Part No Part Name Description Remarks R659 ERJ3GEYJ391 390 R660 ERJ3GEYJ472 4 7k R664 ERJ3GEYJ203 20k R668 ERJ3GEY0R00 0 R675 ERJ3GEYJ473 47k R678 ERJ3GEYJ470 47 R679 ERJ3GEYJ105 1M R680 ERJ3GEY0R00 0 R681 ERJ3GEY0R00 0 R682 ERJ3GEY0R00 0 R683 ERJ3GEYJ220 22 R687 ERJ3GEYJ473 47k R688 ERJ...

Страница 237: ... D211 MA4056 DIODE SI S D212 MA4056 DIODE SI S D213 1SS133 DIODE SI S CAPACITORS C200 ECUV1C104KBV 0 1 C201 ECUV1H621JCV 620k C202 ECUV1C333KBV 0 033 C203 ECUV1H562KBV 0 0056 C204 ECUV1H471JCV 470k S C205 ECUV1H621JCV 620k Ref No Part No Part Name Description Remarks C206 ECUV1H621JCV 620k C207 ECUV1H272KBV 0 0027 C208 ECUV1H102KBV 0 001 C209 ECUV1H153KBV 0 015 C212 ECUV1H392KBV 0 0039 C213 ECUV1H...

Страница 238: ...LTER S L260 PFVF1B252SDT CERAMIC FILTER S L261 PFVF1B252SDT CERAMIC FILTER S L265 PFVF1B252SDT CERAMIC FILTER S L277 PFVF1B102SP CERAMIC FILTER L285 PFVF1B252SDT CERAMIC FILTER S L286 PFVF1B252SDT CERAMIC FILTER S COILS FLT200 PFLE003 COIL S FLT201 PFLE126 COIL S L239 PQLQR1E32A07 COIL S L242 PQLQR1E32A07 COIL S L247 PQLQR1E32A07 COIL S L248 PQLQR1E32A07 COIL S PHOTO ELECTRIC TRANSDUCERS Ref No Pa...

Страница 239: ...1JCV 100p C118 ECUV1H101JCV 100p C119 ECUV1H103KBV 0 01 C120 ECUV1C104ZFV 0 1 Ref No Part No Part Name Description Remarks C122 ECUV1C104ZFV 0 1 C125 ECUV1C104ZFV 0 1 C128 ECUV1H101JCV 100p C129 ECUV1H101JCV 100p C130 ECUV1H101JCV 100p C132 ECEA1CK101 100 S C133 ECUV1C104ZFV 0 1 C139 ECUV1C104ZFV 0 1 LIQUID CRYSTAL DISPLAY CN101 L5DAAFB00001 LCD CONNECTOS CN102 PQJP8G43Y CONNECTOR 8P S PHOTO ELECT...

Страница 240: ...0p C111 ECKK3D471KBB 470p C112 ECKK3D471KBB 470p C201 ECJ2FB1H473K 0 047 C202 ECJ2VB1H102K 0 001 C203 ECKK3D221KB 220p C204 ECJ2VB1H103K 0 01 Ref No Part No Part Name Description Remarks C205 ECKR2H102KB 0 001 C207 ECKK3D102KB 0 001 C209 ECKR2H101KB5 100p FUSE IP101 PFBAICPN38 FUSE S RESISTORS R101 PQ4R10XJ473 47k S R102 ERDS2TJ104 100k R104 ERDS2TJ103 10k R105 ERJ6ENF2003 200k R106 PQ4R10XJ103 10...

Страница 241: ...01 6 8k R209 ER0S2TKF1801 1 8k R212 ER0S2TKF3301 3 3k R213 ERDS2TJ221 220 R214 ERDS2TJ102 1k R215 ERDS2TJ562 5 6k FUSES F101 PFBA215315 FUSE S Ref No Part No Part Name Description Remarks F102 PFBA215005 FUSE S TRANSFORMER T101 ETB29AC1V8AD TRANSFORMER THERMISTOR TH101 PFRTD207D8R0 THERMISTOR S VARISTOR ZNR101 ERZVGAD751 VARISTOR COMPONENTS PART SCR101 PFXFTM1661SE TRIAC S 12 8 EXIT SENSOR BOARD P...

Страница 242: ...S 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 3 242 KX FL612CX KX FL612CX S ...

Страница 243: ...Memo 243 KX FL612CX KX FL612CX S ...

Страница 244: ...B7 61 DB8 62 DB9 63 DB10 64 VSS 65 VDD2 5V 66 DB11 67 DB12 68 DB13 69 DB14 70 DB15 71 VDD5V 72 VSS 73 VDD3 3V 74 SDCS 75 RAS 76 CAS 77 SDWE 78 SDDQMU 79 SDDQML 80 VSS 81 SDCLK 82 VSS 83 VDD3 3V 84 ADR0 85 ADR1 86 ADR2 87 ADR3 88 ADR4 89 ADR5 90 ADR6 91 ADR7 92 ADR8 93 ADR9 94 ADR10 95 ADR11 96 ADR12 97 VSS 98 VDD2 5V 99 RBA0 100 RBA1 101 RBA2 102 RBA3 103 RBA4 104 RBA5 105 RBA6 106 RBA7 OP04 107 R...

Страница 245: ...2 4 7K 1 4W Q605 F600 0 63A Q604 24V R601 270 2W C601 35V100u R698 22 R602 10K 5VD IC604 1 VDD 2 DQ0 3 VDD 4 DQ1 5 DQ2 6 VSSQ 7 DQ3 8 DQ4 9 VDDQ 10 DQ5 11 DQ6 12 VSSQ 13 DQ7 14 VDD 15 DQML 16 WE 17 CAS 18 RAS 19 CS 20 BA0 21 BA1 22 A10 23 A0 24 A1 25 A2 26 A3 27 VDD 28 VSS 29 A4 30 A5 31 A6 32 A7 33 A8 34 A9 35 A11 36 NC 37 CKE 38 CLK 39 DQMH 40 NC 41 VSS 42 DQ8 43 VDDQ 44 DQ9 45 DQ10 46 VSSQ 47 D...

Страница 246: ...0 60 TEST1 61 XWR 62 XRD 63 VDD3 3 64 VSS 65 CLK 66 VSS 67 XRESET 68 XCS 69 INT 70 KSTART 71 KLATCH OP24 SENCTL3 72 KSCLK 73 KTXD 74 KRXD IP23 SENIN3 75 VDD3 3 76 VSS 77 VIN0 IP20 APC 78 VIN1 IP21 79 VIN2 IP22 80 VOUT0 OP25 81 VOUT1 OP26 82 VOUT2 OP27 83 RM0 84 RM1 85 RM2 86 RM3 87 RXE 88 VDD5 89 VSS 90 IOP57 91 FANDET1 IOP14 92 FANON1 IOP15 93 FANDET2 IOP16 94 FANON2 IOP17 95 IOP60 CSI 96 IOP61 C...

Страница 247: ... VGG 114 DGND5 115 RESET 116 XTALI 117 XTALO 118 RESERVED 118 119 XCLK 120 GPI1 121 IRQ2 122 SR3IN 123 RESERVED 123 124 RESERVED 124 125 DGND6 126 DVAA 127 AGND5 128 RESERVED 128 R627 1K C611 K0 01u L607 2A601 C618 6 3V100u C619 AG_M AG_M L615 AG_M AG_M AG_M AG_M 3 3V 3 3V 3 3V AG_M 5VD C607 K1000p L602 1B102 L601 1B102 5VD 24V CN600 1 HOOK 2 FSKCTL 3 SPMUTE 4 NC 5 DG 6 NC 7 AG 8 5VA 9 5VD 10 NC 1...

Страница 248: ... C305 NC 24VA C231 J680p C245 J10p J202 0 R318 10K R260 NC R324 110K L218 BEAD C227 K0 22u R320 10 C247 NC K2200p C240 C214 J150p D203 CN200 1 SP 2 SP C202 K0 033u L228 0 L201 BEAD 120K R238 R243 1K L232 BEAD IC206 1 CD 2 FC2 3 FC1 4 VIN 5 VO1 6 VCC 7 GND 8 VO2 C226 NC C239 NC C232 K0 027u C207 K2700p K0 047u C246 5VD R201 6 2K VREF C249 NC L216 BEAD A B IC201 1 2 3 4 5 6 7 8 R239 NC NC C228 R326 ...

Страница 249: ...1u L235 BEAD C264 NC L242 BEAD L240 0 R271 NC SA201 3000V RLY200 1 2 C257 NC R308 0 24V R272 NC Q208 5VD C267 J82p R287 4 7K T202 1 2 3 4 5 C254 NC L241 0 R219 BEAD R262 NC C266 K0 1u D213 CN201 1 MILAT 2 RLY 3 MICLK 4 CID 5 MIDAT 6 BELL 7 VOX 8 BREAK 9 VOLIN 10 HSALC 11 VOLOUT 12 EX HOOK 13 LINEIN_P 14 CPC 15 TONE 16 P SHORT 17 TXA1 18 24V 19 TXA2 20 5VD 21 NC 22 AG 23 NC 24 DG 25 NC 26 SPMUTE 27...

Страница 250: ...PS101 A K C E 5VD C103 6 3V100u 5VD C102 NC C101 NC 5VA R111 NC R109 NC R108 NC 2 5V NC J101 C104 Z0 1u R120 330 0 R119 56K 5VD SW141 REDIAL PAUSE H S MUTE SW136 STOP SW131 HELP SW108 SW127 PREV SW126 SW142 SW125 SW143 7 6 SW119 SW117 4 SW144 9 SW118 S6 SW111 5 SW139 MONITOR SW109 DIRECTORY PROG SW107 8 SW138 RESOLUTION SW105 QUICK SCAN SW102 AUTO ANSWER SW101 SW112 COLLATE 0 SW137 3 SW120 COPY SW...

Страница 251: ...4 8 DB5 9 DB6 10 DB7 R132 NC C124 NC C125 Z0 1u C123 NC C115 J100p C118 J100p C119 K0 01u C117 J100p C129 J100p C128 J100p C130 J100p R139 330 0 0 R129 C116 NC C120 Z0 1u 5VD C132 6 3V100u LED101 LED102 12K R147 4 7 R148 C122 Z0 1u 5VD Z0 1u C139 NC R150 R128 22K R127 10K R133 1 2K TH101 NC C141 CN102 1 RPS 2 THM 3 KSTART 4 SDATA 5 KSCK 6 OPERST 7 GND 8 5V COB MODULE TO COB AUTO ANSWER TO DIGITAL ...

Страница 252: ...1 SW101 1 GND CN2 2 TOP CVR CN2 6 CHG REM CN2 3 TRA CLK CN2 5 DEV CHG CN2 4 TRA TRA CHG DEV DEV OPC C109 T201 D109 R213 R214 D204 R207 ZD202 C205 R205 R212 D203 C201 R203 R201 R204 D205 C112 D202 C202 Q201 D201 R127 C207 R211 R208 C203 R209 R210 R206 C204 ZD201 Q202 C209 6 5 1 2 3 7 4 47 0 047 2 2 0 01 NC 1 0 047 0 015 470p 470p 470p 0 047 1000p 220p 0 01 1000p 1000p 100p 47k 100k 10k 200k R106 10...

Страница 253: ... R101 C104 C103 C102 D101 D104 D103 D107 R106 R107 R110 ZD101 R104 R112 D108 C110 ZD102 R114 R113 D102 C106 1 2 24V 24V 3 6 4 PGND PGND 5V 7 HTRCL 8 PDWN 5 DGND 2 1 0 22 0 22 2200p 2200p 2200p 56 0 01 220p 39 1000p 0 22 470p 0 01 0 1 1000 1000 150 0 47 0 47 250V 5A 1M 220 4 7k 0 33 82k 82k 200 15 180 22 6 8k 15k 100 12k 330 47 120 12k 2 7k 1k 220 4 7k 5 6k 10k 6 8k 1 8k 3 3k 1k 5 6k C201 1000p F10...

Страница 254: ...1 THRM1 2 GND 3 LED 4 POUT 5 CTL DG2 15 6 DRUM AND TONER SENSOR BOARD PCB7 X FL612CX DRUM AND TONER SENSOR BOARD PCB7 IC60 1 VCC 2 GND 3 OUTPUT DG3 C60 Z0 1u SW60 1 2 3 4 CN60 1 5VD 2 DRUM 3 TNREMP 4 GND 15 7 VARISTOR BOARD PCB8 KX FL612CX VARISTOR BOARD PCB8 J72 W6N10T ZNR71 271 J71 W6N10T FG5 FG4 254 KX FL612CX KX FL612CX S ...

Страница 255: ...777 R776 R775 C623 C627 R637 D601 R635 PCB CH IC604 RA611 RA612 IC607 C709 16 R715 15 14 13 11 10 9 8 12 7 3 2 1 0 2 1 3 4 6 17 11 15 14 WR RD 5 7 9 12 13 10 8 RTS 0 6 5 4 R763 R714 R713 Q610 R617 RA618 RA619 RA620 RA621 Q603 Q605 R621 CN602 C601 CN611 CN614 CN610 CN613 1 8 5 1 6 1 1 5 1 3 Q602 R601 R741 R724 R722 X602 1 5 4 R747 R623 R624 1 24 25 48 27 28 1 54 L645 R694 C673 R766 R721 C714 IC606 ...

Страница 256: ...665 R762 R666 C643 R627 R658 C630 C644 C611 C615 C605 C614 C619 C622 R629 C633 L609 L611 C757 C755 R771 C760 C756 C759 R779 R773 C631 C632 L629 C654 R675 C652 C687 L628 C700 C699 C698 C685 C683 R705 C682 C693 C681 C761 C746 C747 C748 L636 L635 L634 R645 PFUP1330XA L644 R780 C684 C702 C703 C670 R690 R679 C655 L616 C661 C663 C676 C665 R668 C678 C677 C674 C675 L646 L617 L622 C692 C691 C610 1 2 3 4 5 ...

Страница 257: ...300 PC203 J354 Q209 E J312 J306 J308 J307 J310 J347 SW200 C294 J374 C272 C249 C273 D208 D209 D217 J302 J318 J367 J319 J344 J373 CN201 27 1 28 2 J337 J317 J316 FLT201 1 5 4 8 J327 J311 C234 C218 D201 T201 J328 J325 J345 J369 J309 CN202 J346 J272 J271 J338 J339 J335 J329 J342 J341 J343 J313 J214 C292 J273 J331 C265 PC202 PC204 PC205 J304 J314 J315 J324 J351 J332 C298 C313 C311 D202 C258 C270 C253 R2...

Страница 258: ...L237 L214 R206 C299 R317 R322 1 PFUP1331YA A PbF 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z 0 C306 R329 R341 R328 C312 L260 L256 C310 R330 L274 L283 R342 L263 L223 L277 L233 L206 R344 R343 R302 L279 L265 L280 C325 L250 R291 L253 C266 R319 C302 L234 C268 IC207 R282 C324 C267 R281 R301 L278 R300 C284 C276 C283 C282 C327 R285 C285 R297 C274 R340 L235 L262 L261 R249 C247 L251 ...

Страница 259: ...106 J137 J138 MENU SW126 PREV SW124 NEXT SW125 SW107 DIRECTRY RROGRAM SW121 S7 SW115 S8 SW113 S9 SW123 J158 J140 J131 J132 J134 J135 J142 J136 J133 J155 D101 D103 D102 S1 SW122 J117 J116 J168 J119 J120 J122 J169 C123 CN101 1 10 S2 SW114 J126 S3 SW129 S4 SW130 S5 SW111 S6 SW110 CALLER IQ SW112 COLLATE SW102 QUICK SCAN SW101 LED102 LED101 AUTO ANSWER SW105 RESORUTION SW134 S11 SW135 S12 SW131 STOP P...

Страница 260: ...R102 R104 J167 J166 R122 R124 C140 R123 R152 J164 J165 R115 R117 R118 R110 R112 R113 R107 R114 R105 R116 R129 R150 C141 R119 C116 R137 C130 C128 C104 C102 R108 R109 C126 C138 C134 C135 R142 C127 R136 C131 C121 C133 R140 R141 R145 IC102 5 8 4 1 R111 R144 C136 R143 C129 J101 R146 SW146 R133 C124 C120 1 PFUP1332ZA PbF 2 3 4 5 6 7 8 9 A B C D E F G H I KX FL612CX OPERATION BOARD PCB3 BOTTOM VIEW KX FL...

Страница 261: ... T201 R201 D202 C202 C201 R110 R124 Q103 C108 1 24V R115 R106 IC101 D201 R105 Q101 Q102 C106 R112 R113 ZD201 C204 PbF D204 R210 C205 D203 EUKMBN889H R211 R208 R212 C203 C207 R213 CHG R207 Q202 R125 C109 C106 R203 R107 R104 R108 R102 R204 R123 D107 C101 R103 R126 D101 IP101 SW101 C110 D104 D105 C111 T101 R121 C103 GND CHG DEV TRS TOP CVR KX FL612CX HIGH VOLTAGE POWER SUPPLY BOARD PCB4 COMPONENT VIE...

Страница 262: ...R211 R208 R212 C203 C207 R213 JC10 JC9 CHG R207 Q202 E D104 D105 R127 JC1 JC4 JC3 R206 JA10 D109 D203 JA9 JA2 JA3 JA1 JA4 R204 JA5 JA6 IP101 N38 C110 SW101 C111 R119 T101 Q201 R120 E D201 C104 R109 1 PbF R107 R104 CN2 R108 R102 R123 Q103 E R121 C102 EUKMBN889H C103 D107 C101 KX FL612CX HIGH VOLTAGE POWER SUPPLY BOARD PCB4 BOTTOM VIEW KX FL612CX KX FL612CX S 262 ...

Страница 263: ...102 D106 R111 C107 D109 L105 C109 CN102 HEATER R105 C115 R120 SCR101 F102 T5AH 250V G R103 D105 R102 R110 D102 D101 D103 D104 R107 R106 CN201 1 D203 C204 JD2 JD1 D202 C207 R201 C206 IC201 C202 L202 JB1 R204 C212 C104 R118 JA1 C112 C111 PC101 E E PC103 IC101 T101 C103 C102 R205 R207 R214 PC102 C105 D108 ZD101 ETXKM450E5B NPX450E5 1A D110 R119 R121 C116 Q101 C106 CN101 N L 1 L103 R104 L104 S JC1 TH1...

Страница 264: ...201 JB2 L203 C202 R202 R122 IC101 C112 R111 R114 ZD102 D106 C107 D109 R103 R112 R113 D105 C115 G C101 PbF CN101 L102 D107 JA1 R118 PC101 R207 R205 JB1 R204 L202 C201 C208 D201 T101 IC201 24V 24V PG PG DG 5V HTRCTL PDWN CN201 R201 R214 PC103 E E R117 TH101 C116 C106 R121 R119 D110 Q101 S ZD101 D108 L104 PC102 1 1 L N JD1 L204 C206 D203 C204 R213 C203 C207 JD2 D202 C105 R203 KX FL612CX LOW VOLTAGE P...

Страница 265: ... 7 DRUM AND TONER SENSOR BOARD PCB7 KX FL612CX DRUM AND TONER SENSOR BOARD PCB7 AUTO CH PCB CH PFUP1331ZB C PFUP1331ZB C PFUP1331YA C PbF CN60 SW60 1 4 C60 1 2 3 4 5 6 7 8 9 A B C D E F IC60 PFUP1331ZB C PbF G H I 16 8 VARISTOR BOARD PCB8 KX FL612CX VARISTOR BOARD PCB8 J71 J72 PFUP1331ZB D PbF PCB CH ZNR71 PFUP1331ZB D PFUP1331ZB D PFUP1331YA D PbF 1 2 3 4 5 6 7 8 9 A B C D E F G H I KX FL612CX KX...

Страница 266: ...266 KX FL612CX KX FL612CX S HI Q KXFL612CX KXFL612CXS ...

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