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Panasonic KX-FHD332C Service Manual
Panasonic KX-FHD332C Service Manual

Panasonic KX-FHD332C Service Manual

Compact plain paper fax and copier
Table of Contents

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2002 Kyushu Matsushita Electric Co., Ltd. All rights reserved.
Unauthorized copying and distribution is a violation of law.
1. INTRODUCTION
1.1. SAFETY PRECAUTIONS
1. Before servicing, unplug the AC power cord to prevent an electric
shock.
2. When replacing parts, use only the manufacturer's recommended
ORDER NO. KMF0206584C1
Compact Plain Paper FAX and Copier
1
F7
KX-FHD332C
(for Canada)

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Summary of Contents for Panasonic KX-FHD332C

  • Page 1 ORDER NO. KMF0206584C1 Compact Plain Paper FAX and Copier KX-FHD332C (for Canada) 2002 Kyushu Matsushita Electric Co., Ltd. All rights reserved. Unauthorized copying and distribution is a violation of law. 1. INTRODUCTION 1.1. SAFETY PRECAUTIONS 1. Before servicing, unplug the AC power cord to prevent an electric shock.
  • Page 2: Insulation Resistance Test

    components. 3. Check the condition of the power cord. Replace if wear or damage is evident. 4. After servicing, be sure to restore the lead dress, insulation barriers, insulation papers, shields, etc. 5. Before returning the serviced equipment to the customer, be sure to perform the following insulation resistance test to prevent the customer from being exposed to shock hazards.
  • Page 3: For Service Technicians

    1.3. 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.
  • Page 4: Personal Safety Precautions

    1.6. PERSONAL SAFETY PRECAUTIONS 1.6.1. MOVING SECTIONS OF THE UNIT Be careful not to let your hair, clothes, fingers, accessories, etc., become caught in any moving sections of the unit. The moving sections of the unit are the rollers and a gear. There is a separation roller and a document feed roller which are rotated by the document feed motor.
  • Page 5: Service Precautions

    1.7. SERVICE PRECAUTIONS 1.7.1. PRECAUTIONS TO PREVENT DAMAGE FROM STATIC ELECTRICITY Electrical charges 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 General - Help function Display: - QUICK SET UP - FEATURE LIST - DIRECTORY - FAX SND/RCV - COPIER - REPORTS - CALL DISPLAY - LCD (Liquid Crystal Display) readout - TAM (Telephone answering machine) interface Plain Paper Facsimile Machine - 15 second transmission speed * - Letter / Legal, G3 compatible - Automatic document feeder (10 sheets)
  • Page 7: Optional Accessories

    - The included film roll is 10 meters (32 ’) long. We recommend that you buy a full-size replacement film 70 meters (229’) for continuous use of your unit. For best results, use genuine Panasonic replacement film as follows: Model No. Description Specifications...
  • Page 8 208 mm (8 ") Transmission Time* Approx. 15 s/page (Original mode)* Scanning Density: Horizontal: 8 pels/mm (203 pels/inch) Vertical: 3.85 lines/mm (98 lines/inch)—STANDARD mode 7.7 lines/mm (196 lines/inch)—FINE / PHOTO mode 15.4 lines/mm (392 lines/inch)—SUPER FINE Mode Halftone Level: 64-level Scanner Type: Contact Image Sensor (CIS) Printer Type:...
  • Page 9: Installation

    Power Supply: 120 V AC, 60 Hz Memory Capacity: Approx. 25 pages memory transmission Approx. 28 pages memory reception (Based on ITU-T No. 1 Test Chart in standard resolution.) Transmission speed depends upon the contents of the pages, resolution, telephone line conditions and capability of the other party’s machine.
  • Page 10: Rear View

    (5) Recording paper entrance (6) Recording paper exit (7) Tension plate (8) Front cover (9) Document exit (10) Document entrance (11) Back cover open button (12) Back cover 3.1.2. REAR VIEW (1) Power inlet (2) Telephone line jack (3) External telephone jack (4) Speaker 3.1.3.
  • Page 11 (1) [TONE] - To change from pulse to tone temporarily during dialing when your line has rotary pulse services. (2) [JUNK FAX PROHIBITOR] - To use the Junk Fax Prohibitor. (3) Display (4) [RECEIVE MODE] - To change the receiving mode. (5) [LOWER] - To select stations 6-10 for one-touch dial.
  • Page 12 (8) [FLASH] - To access special telephone services such as call waiting or for transferring extension calls. (9) [REDIAL/PAUSE] - To redial the last number dialed. - To insert a pause during dialing. (10) [MUTE] - To mute your vice to the other party during a conversation. Press this button again to resume the conversation.
  • Page 13 - To stop an operation or cancel programming. (17) [FAX/START, SET] - To initiate fax transmission or reception. - To store a setting during programming. 3.2. CONNECTIONS (1) Connect the handset cord. (2) Connect the telephone line cord. (3) Connect the power cord.
  • Page 14: Installation Space

    Note: - If any other device is connected on the same line, this unit may disturb the network condition of the device. - To avoid malfunction, do not position fax machine near appliances such as TVs or speakers which generate an intense magnetic field. Caution: - When you operate this product, the power outlet should be near the product and easily accessible.
  • Page 15: Installing The Paper Tray

    humidity. - Ambient temperature: 5°C to 35°C - Relative humidity: 20% to 80% (without condensation) - Power cord length should be less than 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.
  • Page 16 The included paper tray is for letter size recording paper. Insert tabs on the paper tray into slits on the back of the unit. Note: - Do not place the unit in areas where the paper tray may be obstructed (i.e. by a wall, etc.). To use legal size paper Please purchase a legal paper tray Part No.
  • Page 17 Attach the recording paper support into the slots on the recording paper exit. The recording paper will be ejected from the top of the unit after printing. The recording paper support prevents the printed paper from curling. 3.3.4. HANDSET Connect the handset cord.
  • Page 18 3.3.5. INSTALLING THE INK FILM 1 Open the front cover by pulling up the centre part. 2 Push the back cover open button (green) on the right side of the unit. Push the back cover open lever (green) inside of the unit.
  • Page 19 3 Open the back cover. 4 Insert the gear of blue core of the front ink film roll into the left slot of the unit ( ). Insert the rear ink film roll (...
  • Page 20 5 Turn the gear of blue core in the direction of the arrow. Make sure that the ink film is wrapped around the blue core at least once.
  • Page 21 6 Close the back cover securely by pushing down on the dotted area at both ends ( ). Close the front cover securely ( The ink film is safe to touch and will not rub off on your hands like carbon paper.
  • Page 22 Fan the stack of paper to prevent a paper jam. Pull the tension plate forward and hold open while The paper should not be over the tab. inserting the paper. If the paper is not inserted correctly, readjust the paper, paper may jam.
  • Page 23: Setting Your Logo

    Note: - Remove chips, staples or other similar fasteners. - Do not send the following types of documents. (Use the scanner glass for fax transmission.) — Chemically treated paper such as carbon or carbon less duplicating paper — Electrostatically charged paper —...
  • Page 24 To change capital or lower-case letters Pressing the [#] key will change to capital lower-case alternatively. 1. Press [2] 2 times. 2. Press [4] 3 times. 3. Press [#]. 4. Press [5] 3 times. 1 Press [MENU]. Press [ ] or [ ] until the following is displayed.
  • Page 25 3 Press [SET]. To correct a mistake Press [ ] or [ ] to move the cursor to the incorrect character, and make the correction. 4 Enter your logo, up to 30 characters, using the dial keypad. Example: “BILL“ 1. Press [2] 2 times. To delete a character -Cursor ( ) will appear on the display.
  • Page 26 To select characters using [+] or [-] Instead of pressing the dial keys, you can select characters using [+] or [-]. 1. Press [+] or [-] until the desired character is displayed. 2. Press [ ] to move the cursor to the next space. - The character displayed in step 1 is inserted.
  • Page 27: Maintenance Items And Component Locations

    4. MAINTENANCE 4.1. MAINTENANCE ITEMS AND COMPONENT LOCATIONS 4.1.1. OUTLINE MAINTENANCE AND REPAIRS ARE PERFORMED USING THE FOLLOWING STEPS. 1. Periodic maintenance Inspect the equipment periodically and if necessary, clean any contaminated parts. 2. Check for breakdowns Look for problems and consider how they arose. If the equipment can be still used, perform copying, self testing or communication testing.
  • Page 28 4.1.2.1. MAINTENANCE LIST OPERATION CHECK REMARKS Document Path Remove any foreign matter such as paper. — Rollers If the roller is dirty, clean it with a damp Refer to DOCUMENT FEEDER cloth then dry thoroughly. Platen Roller If the platen is dirty, clean it with a damp —...
  • Page 29: Gear Operation

    OPERATION CHECK REMARKS Abnormal, wear Replace the part. Check if the screws are — and tear or loose tight on all parts. parts 4.1.2.2. MAINTENANCE CYCLE Item Cleaning Replacement Cycle Cycle Procedure 1 Separation Roller (Ref. No. 3 months 7 years* (31,500 Refer to HOW TO REMOVE 141)
  • Page 30: Print Mode

    4.2.1.2. 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 its power to the Exit Roller Gear. Fig.
  • Page 31: Copy Mode

    4.2.1.4. COPY MODE RX side: Paper Pickup mode Print mode Paper Exit mode. TX side: Transmit mode. 4.3. JAMS 4.3.1. RECORDING PAPER JAMS When the recording paper has jammed in the unit The display will show the following.
  • Page 32 1 Open the front cover by pulling up the centre part. 2 Push the back cover open button (green) on the right side of the unit. Push the back cover open lever (green) inside of the unit.
  • Page 33 3 Open the back cover. 4 Remove the jammed recording paper.
  • Page 34 5 Turn the gear of blue core in the direction of the arrow. Make sure that the ink film is wrapped around the blue core at least once.
  • Page 35 6 Close the back cover securely by pushing down on the dotted area at both ends ( ). Close the front cover securely ( 7 Remove the recording paper and straighten. Pull the tension plate forward and hold open while inserting the paper. When the recording paper was not fed into the unit properly The display will show the following.
  • Page 36 Remove the recording paper and straighten. Pull the tension plate forward and hold open while inserting the paper. Press [SET] to clear the message. 4.3.2. DOCUMENT JAMS - SENDING 1 Open the front cover by pulling up the centre part. Remove the jammed document carefully.
  • Page 37 2 Close the front cover securely. Note: Do not pull out the jammed paper forcibly before opening the front cover. 4.4. CLEANING 4.4.1. DOCUMENT FEEDER -If misfeeding of the document occurs frequently. -If smudges or black/white lines appear on the original document when transmitting or copying.
  • Page 38 1 Disconnect the power cord and the telephone line cord. 2 Open the front cover by pulling up the centre part.
  • Page 39 3 Clean the document feeder rollers and rubber flap with a cloth moistened with isopropyl rubbing alcohol, and let all parts dry thoroughly. Caution: Do not use paper products, such as paper towels or tissues.
  • Page 40 4 Clean the glass with a soft dry cloth. Caution: Do not use paper products, such as paper towels or tissues. 5 Close the front cover securely.
  • Page 41: Thermal Head

    6 Connect the power cord and the telephone line cord. 4.4.2. THERMAL HEAD If smudges or black/white lines appear on a copied/received document, check whether there is dust on the thermal head and roller shaft, and clean the thermal head to remove the dust. 1 Disconnect the power cord and the telephone line cord.
  • Page 42 2 Open the front cover by pulling up the centre part. 3 Push the back cover open button (green) on the right side of the unit. Push the back cover open lever (green) inside of the unit.
  • Page 43 4 Open the back cover. Remove the ink film. 5 Clean the thermal head with a cloth moistened with isopropyl rubbing 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.
  • Page 44 6 Replace the ink film. Turn the gear of blue core in the direction of the arrow. Make sure that the ink film is wrapped around the blue core at least once.
  • Page 45 7 Close the back cover securely by pushing down on the dotted area at both ends ( ). Close the front cover securely ( 8 Connect the power cord and the telephone line cord. 5. DISASSEMBLY INSTRUCTIONS Before disassembling, remove the Ink film.
  • Page 46: Disassembly Flow Chart

    5.1. DISASSEMBLY FLOW CHART 5.1.1. UPPER CABINET SECTION...
  • Page 47: Lower Cabinet Section

    CROSS REFERENCE: A-1 : HOW TO REMOVE THE PAPER TRAY AND RECORDING PAPER SUPPORT A-2 : HOW TO REMOVE THE OPERATION PANEL BLOCK A-3 : HOW TO REMOVE THE OPERATION BOARD AND LCD A-4 : HOW TO REMOVE THE IMAGE SENSOR (CIS) A-5 : HOW TO REMOVE THE THERMAL HEAD A-6 :...
  • Page 48: Disassembly Procedure

    CROSS REFERENCE: A-1 : HOW TO REMOVE THE PAPER TRAY AND RECORDING PAPER SUPPORT B-1 : HOW TO REMOVE THE BOTTOM FRAME B-2 : HOW TO REMOVE THE DIGITAL, ANALOG, POWER SUPPLY, SENSOR BOARDS AND AC INLET B-3 : HOW TO REMOVE THE MOTOR BLOCK AND SEPARATION ROLLER B-4 : HOW TO REMOVE THE GEARS OF MOTOR BLOCK 5.2.
  • Page 49: How To Remove The Operation Panel Block

    5.2.2. HOW TO REMOVE THE OPERATION PANEL BLOCK...
  • Page 50: How To Remove The Operation Board And Lcd

    5.2.3. HOW TO REMOVE THE OPERATION BOARD AND LCD...
  • Page 51: How To Remove The Image Sensor (Cis)

    5.2.4. HOW TO REMOVE THE IMAGE SENSOR (CIS)
  • Page 52: How To Remove The Thermal Head

    5.2.5. HOW TO REMOVE THE THERMAL HEAD...
  • Page 53 5.2.6. HOW TO REMOVE THE PLATEN ROLLER AND BACK COVER...
  • Page 54: How To Remove The Pickup Roller

    5.2.7. HOW TO REMOVE THE PICKUP ROLLER...
  • Page 55 5.2.8. HOW TO REMOVE THE CASSETTE LEVER...
  • Page 56: How To Remove The Bottom Frame

    5.2.9. HOW TO REMOVE THE BOTTOM FRAME...
  • Page 57 5.2.10. HOW TO REMOVE THE DIGITAL, ANALOG, POWER SUPPLY, SENSOR BOARDS AND AC INLET...
  • Page 58 5.2.11. HOW TO REMOVE THE MOTOR BLOCK AND SEPARATION ROLLER...
  • Page 59 5.2.12. HOW TO REMOVE THE GEARS OF MOTOR BLOCK...
  • Page 60: Installation Position Of The Lead Wires

    5.3. INSTALLATION POSITION OF THE LEAD WIRES...
  • Page 61: Troubleshooting Guide

    6. TROUBLESHOOTING GUIDE 6.1. USER RECOVERABLE ERRORS If the unit detects a problem, one or more of the following messages will appear on the display. The explanations given in the [ ] are for servicemen only. - There is something wrong with the unit.
  • Page 62: Document Feeder

    - The document was not fed into the unit properly. Reinsert the document. If misfeeding occurs frequently, clean the document feeder rollers and try again. (Refer to DOCUMENT FEEDER ().) - Attempted to transmit a document longer than 600 mm. Press the [STOP] to remove the document.
  • Page 63 - There is no space to store new entries in navigator directory. Erase unnecessary entries. - The unit has a document 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.
  • Page 64: Installing The Ink Film

    - The other party´s fax machine is busy or has run out of recording paper. Try again. - The ink film is empty. Replace the ink film with a new one. - The ink film is not installed. Install it. Refer to INSTALLING THE INK FILM - The ink film is slack.
  • Page 65: Programming And Lists

    - A transmission error occurred. Try again. - The unit is too hot. Let the unit cool down. 6.2. PROGRAMMING AND LISTS The programming functions are used to program the various features and functions of the machine, and to test the machine. This facilitates communication between the user and the service man while programming the unit.
  • Page 66: Service Function Table

    6.2.3. SERVICE FUNCTION TABLE Code Function Set Value Effective Default Remarks Range Pause time set X 100 001~600 ---------- msec Flash time X 10 ms 01~99 ---------- Dial speed select 1, 2 ---------- 1: 10 pps 2: 20 pps VOX sense 1:High 2: 1, 2 When the TAM (or EXT TAM)
  • Page 67 Code Function Set Value Effective Default Remarks Range International mode select 1:ON 2: 1, 2 See Symptom/Countermeasure for long distance and international calls in THE UNIT CAN COPY, CANNOT EITHER TRANSMIT RECEIVE LONG DISTANCE INTERNATIONL COMMUNICATIONS Auto standby select 1:ON 2: 1, 2 The resolution reverts to the when transmission is complete.
  • Page 68 Code Function Set Value Effective Default Remarks Range FAX auto redial time set X number 00~99 Selects the number of redial of times during FAX communication including the first dial). FAX auto redial time X second 001~999 Sets the FAX redial interval disconnection time set FAX communication.
  • Page 69 Code Function Set Value Effective Default Remarks Range Receiving sensitivity 43= -43 20~48 Used when there is an error Refer to THE UNIT CAN COPY, CANNOT EITHER TRANSMIT RECEIVE LONG DISTANCE INTERNATIONL COMMUNICATIONS EXT.TAM OGM Rec. time X second 01~99 Sets the start time of silent detection.
  • Page 70: Test Functions

    Code Function Set Value Effective Default Remarks Range Original setting 1:NORMAL Use this feature when you need transmit and copy a document very faint writing or very dark 2:LIGHT writing. 3:DARKER NORMAL: Used for normal writing. LIGHT: Used for faint writing. DARKER: Used for dark writing.
  • Page 71 Test Mode Type of Code Function Mode Operation after code input DTMF SINGLE Service “5” “5” “2” Outputs the DTMF as single tones. Used to check TEST Mode frequencies of the individual DTMF tones. Refer to 1..ON SINGLE TONE TRANSMIT SELECTION 2..OFF KEY CHECK Service...
  • Page 72: Dtmf Single Tone Transmit Selection

    Test Mode Type of Code Function Mode Operation after code input SENSOR Service “8” “1” “5” If you enter this mode and operate sensor levers with CHECK & VOX Mode hands, the LCD display of the related sensor (or switch) START CHECK turns ON / OFF.
  • Page 73: Button Code Table

    High Frequency Low Frequency (Hz) (Hz) “1” “5” 1209 “2” “6” 1336 “3” “7” 1477 “4” “8” 1633 When set to OFF (=2), the 12 keys and transmission frequencies are as shown. High (Hz) 1209 1336 1477 Low (Hz) “1” “2”...
  • Page 74 2. Left margin / Top margin 3. Thermal head 1 dot...
  • Page 75: Remote Programming

    4. Use this test pattern to confirm the torque limiter for ink film and platen roller timing 6.4. REMOTE PROGRAMMING If, after the call is connected, the customer describes the situation and it is determined that the problem can be corrected by making parameter changes, this function makes it possible to change parameters such as the user code and service code from another fax (using DTMF...
  • Page 76: Entering The Remote Programming Mode And Changing Service Codes

    tones). Therefore, travel to the customer's location is not required. However, it is not possible to change all the parameters remotely (PROGRAM MODE TABLE ()). The function used to accomplish this is remote programming. First, in order to check the current status of the service code parameter, print out the setup list (code: 991) and the service list (code: 999) from the customer's fax machine.
  • Page 77: Program Mode Table

    CROSS REFERENCE: PROGRAM MODE TABLE 6.4.2. PROGRAM MODE TABLE...
  • Page 78 Code Function Set Value Default Set date and time mm/dd/yy hh:mm Jan/01/2002 Your logo --------- None Your FAX number --------- None Print sending mode 1:ERROR/ 2:ON / 3:OFF ERROR FAX ring count 1 to 5 rings (for ext. tam) Remote TAM activation ON / OFF OFF / ID=11 Dialing mode...
  • Page 79 Code Function Set Value Default Document jam detection 1:ON / 2:OFF Key test --------- --------- Break % select 1:61% / 2:67% ITS auto redial time set 00~99 ITS auto redial line disconnection time 001~999sec 065sec Remote turn-on ring number 01~99 FAX auto redial time set 00~99 FAX auto redial line disconnection time...
  • Page 80: The Example Of The Printed List

    Example: If you want to set value in the "004 Transmission report mode", press the dial key number 1,2 or 3 corresponding to the Set Value you want to select. (1:ERROR/2:ON/3:OFF) 6.5. THE EXAMPLE OF THE PRINTED LIST 6.5.1. USER MODE Note: The above values are the default values.
  • Page 81 Note: The above values are the default values. 6.5.3. HISTORY...
  • Page 82 Note: See the following descriptions of this report. Item No. (1) ~ (44) are corresponding to the listed items in DESCRIPTIONS OF THE HISTORY REPORT 6.5.3.1. DESCRIPTIONS OF THE HISTORY REPORT (1) ROM VERSION FLASH ROM version (2) SUM FLASH ROM internal data calculation.
  • Page 83 (3) YOUR LOGO The user logo recorded in the unit. If it is not recorded, NONE will be displayed. (4) YOUR TELEPHONE NUMBER The user telephone number recorded in the unit. If it is not recorded, NONE will be displayed. (5) FAX PAGER NUMBER If you program a pager number into the unit, the pager number will be displayed here.
  • Page 84: Troubleshooting Details

    The number of help lists printed until now. (32) NUMBER OF DIVIDED PRINTING IN FAX RECEPTION The number of faxes received that were divided into more than one sheet since the unit was purchased. (33) Not Used (34) FAX MODE Means the unit received a fax message in the FAX mode.
  • Page 85: Troubleshooting Items Table

    CROSS REFERENCE: USER RECOVERABLE ERRORS SIMPLE CHECK LIST DIGITAL BOARD SECTION POWER SUPPLY BOARD SECTION 6.6.3. TROUBLESHOOTING ITEMS TABLE...
  • Page 86: Simple Check List

    ITEM SYMPTOM REFERENCE The document does not feed. NO DOCUMENT FEED (Auto Document Feeder) Document jam DOCUMENT JAM Multiple feed MULTIPLE FEED Skew SKEW Recording paper feed The recording paper does not feed. THE RECORDING PAPER DOES NOT Paper jam PAPER JAM Multiple feed and skew MULTIPLE FEED AND SKEW...
  • Page 87 SERIAL NO. DATE FUNCTION JUDGEMENT REFERENCE FAX operation Transmission OK / NG Receiving OK / NG Copy operation OK / NG Telephone Handset transceiver / OK / NG operation receiver MONITOR sound OK / NG Ringer sound OK / NG Dial operation OK / NG Volume operation...
  • Page 88: Document Jam

    CROSS REFERENCE: TEST FUNCTIONS DIGITAL BOARD SECTION POWER SUPPLY BOARD SECTION SENSOR SECTION STEPPING MOTOR DRIVE CIRCUIT (TX) HOW TO REMOVE THE MOTOR BLOCK AND SEPARATION ROLLER HOW TO REMOVE THE GEARS OF MOTOR BLOCK 6.6.4.2. DOCUMENT JAM...
  • Page 89 CROSS REFERENCE: TEST FUNCTIONS SENSOR SECTION DISASSEMBLY INSTRUCTIONS 6.6.4.3. MULTIPLE FEED - When using thick paper etc., sometimes the document will not be fed.
  • Page 90 Fig. B...
  • Page 91 CROSS REFERENCE: DOCUMENT FEEDER DISASSEMBLY INSTRUCTIONS HOW TO REMOVE THE MOTOR BLOCK AND SEPARATION ROLLER Note: When confirming if the characters are extended or distorted, or if the feed problem is occurred, use this test chart format...
  • Page 92 (Fig. B). 6.6.4.4. SKEW * We recommend making a copy of the Fig. B document in MULTIPLE FEED () and using it. CROSS REFERENCE: COMPONENT LOCATIONS DISASSEMBLY INSTRUCTIONS 6.6.4.5. THE RECORDING PAPER DOES NOT FEED...
  • Page 93: Paper Jam

    * We recommend making a copy of the Fig. B document in MULTIPLE FEED ()and using it. CROSS REFERENCE: INSTALLING THE RECORDING PAPER TEST FUNCTIONS HOW TO REMOVE THE PICKUP ROLLER HOW TO REMOVE THE GEARS OF MOTOR BLOCK DIGITAL BOARD SECTION POWER SUPPLY BOARD SECTION SENSOR SECTION OPERATION PANEL SECTION...
  • Page 94 CROSS REFERENCE: DISASSEMBLY INSTRUCTIONS HOW TO REMOVE THE PICKUP ROLLER TEST FUNCTIONS SENSOR SECTION SENSORS AND SWITCHES 6.6.4.7. MULTIPLE FEED AND SKEW CROSS REFERENCE: HOW TO REMOVE THE PICKUP ROLLER OPERATION PANEL SECTION...
  • Page 95 6.6.4.8. THE SENT FAX DATA IS SKEWED * We recommend making a copy of the Fig. B document in MULTIPLE FEED() and using it. CROSS REFERENCE: SKEW 6.6.4.9. THE RECEIVED FAX DATA IS SKEWED * We recommend making a copy of the Fig. B document in MULTIPLE FEED() and using it.
  • Page 96 6.6.4.10. RECEIVED OR COPIED DATA IS EXPANDED * We recommend making a copy of the Fig. B document in MULTIPLE FEED() and using it. CROSS REFERENCE: DOCUMENT FEEDER HOW TO REMOVE THE MOTOR BLOCK AND SEPARATION ROLLER 6.6.4.11. A BLANK PAGE IS COPIED...
  • Page 97 * We recommend making a copy of the Fig. B document in MULTIPLE FEED () and using it. CROSS REFERENCE: HOW TO REMOVE THE THERMAL HEAD TEST FUNCTIONS A BLANK PAGE IS RECEIVED THERMAL HEAD...
  • Page 98 6.6.4.12. A BLANK PAGE IS RECEIVED...
  • Page 99 CROSS REFERENCE: TEST FUNCTIONS A BLANK PAGE IS COPIED ANALOG BOARD SECTION 6.6.4.13. BLACK OR WHITE VERTICAL LINE...
  • Page 100 * We recommend making a copy of the Fig. B document in MULTIPLE FEED () and using it. CROSS REFERENCE: THERMAL HEAD HOW TO REMOVE THE THERMAL HEAD 6.6.4.14. BLACK OR WHITE LATERAL LINE ON PRINT OUT...
  • Page 101 * We recommend making a copy of the Fig. B document in MULTIPLE FEED() and using it. CROSS REFERENCE: DISASSEMBLY INSTRUCTIONS TEST FUNCTIONS A BLANK PAGE IS COPIED DIGITAL BOARD SECTION 6.6.4.15. AN ABNORMAL IMAGE IS PRINTED...
  • Page 102: Communication Section

    * We recommend making a copy of the Fig. B document in MULTIPLE FEED () and using it. CROSS REFERENCE: HOW TO REMOVE THE THERMAL HEAD TEST FUNCTIONS ANALOG BOARD SECTION 6.6.5. COMMUNICATION SECTION Find the problem in the table shown below, and refer to the corresponding troubleshooting procedure in DEFECTIVE FACSIMILE SECTION ( ).
  • Page 103: Troubleshooting

    Symptom Content Possible cause Troubleshooting Problem with the The paper is not fed properly when faxing. feeding mechanism. (Nor in the copy mode.) Troubleshooting Problem with the service The fax usually transmits successfully but line or with the sometimes fails. (The unit can copy receiver's fax.
  • Page 104 CROSS REFERENCE: DOCUMENT FEEDER HOW TO REMOVE THE MOTOR BLOCK AND SEPARATION ROLLER ADF (Auto Document Feed) SECTION OPERATION PANEL SECTION 6.6.5.1.2. SOMETIME THERE IS A TRANSMIT PROBLEM...
  • Page 105 Note: "596: Transmit level set" represents a service code. (Refer to SERVICE FUNCTION TABLE ().) 6.6.5.1.3. RECEIVE PROBLEM First confirm whether the recording paper is installed properly or not before starting troubleshooting. (Refer to "Remarks".)
  • Page 106 Note: "596: Transmit level set" represents a service code. (Refer to SERVICE FUNCTION TABLE ().) Remarks: Regarding the reception problem, we have investigated the conceivable causes in the flow chart except for the software-related errors. However, some troubles may occur due to the software- related problems such as "OUT OF PAPER"...
  • Page 107 PAPER JAMMED CHECK FILM Please refer to USER RECOVERABLE ERRORS () for the above items. If it turns out to be a hardware deformity, please check each sensor. (Refer to TEST FUNCTIONS ().) 6.6.5.1.4. THE UNIT CAN COPY, BUT CANNOT TRANSMIT/RECEIVE CROSS REFERENCE: TEST FUNCTIONS ANALOG BOARD SECTION...
  • Page 108 (Cause and Countermeasure) As shown in the chart above, the total handshaking time must be reduced, but because of the long distance connection and linking of several stations, the line connection time cannot be reduced. Accordingly, the following countermeasures should be tried. (A)...
  • Page 109 No. Countermeasure Echo Communication Problem Countermeasure Service Side Example 1 Sending side Some time is needed to Add a dummy signal to the Service code compare the level of the beginning of the training (International receiving and sending signals signal. select) for the echo canceler.
  • Page 110 Fig. b (Countermeasure by Changing the CED Frequency) Fig. c (Countermeasure by Changing the Interval Between CED and DIS) Fig. d (Countemeasure by Ignoring the 1st DIS)
  • Page 111 <TX side signal> <RX side signal> <Countermeasure> 2nd / 3rd DCS / Training & delayed CFR / FTT at TX side & delayed MCF / PIP / PIN / RTP 2nd / 3rd EOP / EOM / MPS at TX side / RTN delayed DCS &...
  • Page 112 - Refer to SERVICE FUNCTION TABLE 6.6.5.1.7. HOW TO RECORD FAX SIGNAL BY USING PC Recording FAX signal is one of the useful analysis measures to solve communication problems. The way of recording easily by using PC is shown as follows. 1.
  • Page 113 4. PC setting and recording 1. Set LINE IN to be valid in the volume 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 “...
  • Page 114 (2) RESULT (3) MODE SYMPTOM CODE PRESSED THE STOP KEY SND & Communication was interrupted by the STOP button. DOCUMENT JAMMED The document paper is jammed. NO DOCUMENT No document paper. OTHER FAX NOT Transmission is finished when the T1 TIMER RESPONDING expires.
  • Page 115 (2) RESULT (3) MODE SYMPTOM CODE CANCELED The multi-station transmission was rejected by the user. COMMUNICATION SND & Modem error. For the DCN, DCN, etc. ERROR abbreviations, refer to MODEM SECTION SND=TRANSMISSION RCV=RECEPTION Most fax communication problems can be resolved by the following steps. 1.
  • Page 117 CROSS REFERENCE: TEST FUNCTIONS...
  • Page 118 CROSS REFERENCE: TEST FUNCTIONS...
  • Page 119 CROSS REFERENCE: TEST FUNCTIONS...
  • Page 120 CROSS REFERENCE: TEST FUNCTIONS...
  • Page 124: Special Service Journal Reports

    CROSS REFERENCE: TEST FUNCTIONS 6.6.6. SPECIAL SERVICE JOURNAL REPORTS Journal 2 and Journal 3 shown below, which are special journals giving the additional detailed information about the latest 35 communications, can be printed by Service Code 881 or 882. Remote printing function for the journal reports (JOURNAL, JOURNAL 2 and JOURNAL 3) is also available for service technicians.
  • Page 125 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.
  • Page 126 For further details, see JOURNAL 2 () and JOURNAL 3 6.6.6.1. JOURNAL 2 Refer to JOURNAL 2 in PRINTOUT EXAMPLE(). Journal 2 displays the additional detailed information about the last 35 communications. Descriptions: (1) RCV. MODE Indicates which receive mode the unit was in when the unit received a fax message. This information is also displayed when the unit transmitted a fax message.
  • Page 127 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 response"...
  • Page 129: Digital Board Section

    6.6.7. 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.
  • Page 130 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.
  • Page 131 Between the DRAM (IC503), Gate Array IC (IC520) signal lines are controlled by voltages of 5V (H) or 0V (L). Digital Block Diagram You also need to check the signal lines listed here [List 1] when the unit fails to boot up the system.
  • Page 132 Normal Wave Patterns Remarks: When you use an oscilloscope to judge whether a signal to be tested is normal or NG, perform the signal check in exactly the same order as in [List 1]. (If the ASIC fails to access the FLASH ROM, the ASIC cannot access DRAM normally.) The digital circuit actually operates according to the timing combinations of these signals.
  • Page 133 I/O and Pin No. Diagram 6.6.7.1. CHECK THE STATUS OF THE DIGITAL BOARD...
  • Page 134: Initializing Error

    CROSS REFERENCE: NG Wave pattern (Refer to NG EXAMPLE) 6.6.7.2. INITIALIZING ERROR After the power is turned on, the 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.
  • Page 135 CROSS REFERENCE: NG EXAMPLE CHECK THE STATUS OF THE DIGITAL BOARD POWER SUPPLY BOARD SECTION...
  • Page 136 CROSS REFERENCE: CHECK THE STATUS OF THE DIGITAL BOARD Other NG example while the power is ON and the LCD displays the following. 6.6.7.3. NG EXAMPLE...
  • Page 137: Analog Board Section

    6.6.8. ANALOG BOARD SECTION This chapter provides the testing procedures required for the analog parts. A signal route to be tested is determined depending upon purposes. For example, the handset TX route begins at the handset microphone and the signal is output to the telephone line. The signal mainly flowing on this route is analog.
  • Page 138: Check Sheet

    Note: { }: Inside the digital board 6.6.8.2. DEFECTIVE ITS (Integrated Telephone System) SECTION 1. No handset transmission / reception and no monitor reception Perform a signal test in the ITS or the NCU section and locate a defective point (where the signal disappears) on each route between the handset microphone and telephone line (sending), or between the telephone line and the handset speaker (receiving), or between the microphone and the telephone line (sending), or...
  • Page 139 3. No ring tone (or No bell) CROSS REFERENCE: CHECK SHEET...
  • Page 140 NCU SECTION 4. No tone dialing CROSS REFERENCE: CHECK SHEET 6.6.8.3. DETECTIVE TAM INTERFACE SECTION 1. The FAX turns on, but does not arrive through TAM. CROSS REFERENCE:...
  • Page 141 CIRCUIT OPERATION 2. A FAX is received, but won't switch from TAM to FAX. CROSS REFERENCE: ANALOG BOARD SECTION TAM INTERFACE SECTION 6.6.9. POWER SUPPLY BOARD SECTION 6.6.9.1. KEY COMPONENTS FOR TROUBLESHOOTING Check the following parts first: F101, D101-D104, C106, Q101, PC101 and IC101. This comes from our experience with experimental tests.
  • Page 142: Troubleshooting Flowchart

    6.6.9.2. TROUBLESHOOTING FLOW CHART...
  • Page 145 6.6.9.3. BROKEN PARTS REPAIR DETAILS (D101, D102, D103, D104) Check for a short-circuit in terminal 4. If D101, D102, D103 and D104 are short-circuits, F101 will melt (open). In this case, replace all of the parts (D101, D102, D103, D104, 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.
  • Page 146: Sensor Section

    6.6.10.2. NO LCD INDICATION CROSS REFERENCE: TEST FUNCTIONS 6.6.11. SENSOR SECTION Refer to SENSORS AND SWITCHES() for the circuit descriptions. The Test Function makes the sensor circuit check easier. (Refer to TEST FUNCTIONS().) For example, as for "COVER OPEN SENSOR", "CO" is turned ON/OFF on the display when you open or close the front cover.
  • Page 147: Cis (Contact Image Sensor) Section

    6.6.11.3. CHECK THE COVER OPEN (SW502)...."COVER OPEN " 6.6.11.4. CHECK THE HOOK SWITCH (SW101) 6.6.11.5. CHECK THE PAPER TOP SENSER (PS501)......"PAPER JAMMED" 6.6.11.6. CHECK THE FILM SENSER (SW501)......"CHECK FILM SLACK" 6.6.12. CIS (Contact Image Sensor) SECTION Refer to SCANNING BLOCK().
  • Page 148: Thermal Head Section

    CROSS REFERENCE: TEST FUNCTIONS 6.6.13. THERMAL HEAD SECTION Refer to THERMAL HEAD().
  • Page 149: Circuit Operations

    7. CIRCUIT OPERATIONS 7.1. CONNECTION DIAGRAM...
  • Page 150: General Block Diagram

    7.2. GENERAL BLOCK DIAGRAM The following is an outline of each device IC on the digital board. (Refer to GENERAL BLOCK DIAGRAM().). 1. ASIC (IC501) Composed mainly of an address decoder and a modem control. Controls the general FAX operations. Controls the operation panel I/F.
  • Page 151 CPU and Real time clock 2. Flash ROM (IC523) Contains all of the program instructions on the unit operations. This memory is used mainly for the parameter working in the storage area. 3. Dynamic RAM (IC503) This memory is used mainly for the parameter working in the storage area.
  • Page 152: Control Section

    7.3. CONTROL SECTION 7.3.1. BLOCK DIAGRAM 7.3.2. MEMORY MAP...
  • Page 153 7.3.3. ASIC (IC501) This custom IC is used for the general FAX operations.
  • Page 154: Analog Unit

    1. CPU: This model uses a Z80 equivalent to the CPU operating at 12 MHz. Most of the peripheral functions are performed by custom- designed LSIs. Therefore, the CPU only works for processing the results. 2. RTC: Real Time Clock 3.
  • Page 156: Dynamic Ram (Ic503)

    Note*: This memory is incorporated into the ASIC (IC501) and used for the image processing. Fig. A shows the memory map of the Image Data RAM. 7.3.4. FLASH MEMORY (IC523) The 512KB ROM (FLASH MEMORY) carries a common area of 32KB and bank areas which each have 8KB (BK4~BK63).
  • Page 157 SIGNAL POWER DESCRIPTION SUPPLIED VOLTAGE 3.3V INPUT PORT (PTOP) 3.3V INPUT PORT (REED) IRDATXD/IOP 3.3V OUTPUT PORT (CISLED) IRDARXD/IOP80 3.3V INPUT PORT (DSR) TXD/IOP 3.3V INPUT PORT (TXD) RXD/IOP 3.3V OUTPUT PORT (SENLED1) XRTS/IOP 3.3V INPUT PORT (HOOK) XCTS/IOP 3.3V OUTPUT PORT (SPMUTE) VDD (2.5V) 3.3V...
  • Page 158 SIGNAL POWER DESCRIPTION SUPPLIED VOLTAGE TEST4 3.3V HIGH FIXED XMDMINT 3.3V MODEM INTERRUPT XMDMCS 3.3V MODEM CHIP SELECT XRAS/IOP 3.3V DRAM (IC503) ROW ADDRESS STROBE XCAS1/IOP 3.3V DRAM (IC503) CULUM ADDRESS STROBE XCAS2/IOP 3.3V DRAM(IC503) CHIPSELECT XRESCS2 3.3V GATE ARRAY CHIP SELECT 3.3V CPU DATA BUS 3 3.3V...
  • Page 159 SIGNAL POWER DESCRIPTION SUPPLIED VOLTAGE RBA2 3.3V ROM/RAM BANK ADDRESS 2 RBA3 3.3V ROM/RAM BANK ADDRESS 3 RBA4 3.3V ROM/RAM BANK ADDRESS 4 RBA5 3.3V ROM/RAM BANK ADDRESS 5 RBA6/IOP96 3.3V STB1 3.3V STROBE SIGNAL OUTPUT TO THERMAL HEAD STB2 3.3V STROBE SIGNAL OUTPUT TO THERMAL HEAD...
  • Page 160: Reset Circuit (Watch Dog Timer)

    KRXD 3.3V OPERATION PANEL CONTROL SIGNAL POWER DESCRIPTION SUPPLIED VOLTAGE FMEMCLK/IOP 3.3V OUTPUT PORT (THON) FMEMDI/IOP 3.3V OUTPUT PORT (LINERLY) ADSEL1 3.3V CHANNEL SELECT SIGNAL FOR AIN2 VDDA (2.5V) 3.3V POWER SOURCE (ANALOG +2.5V) VREFB 2.5V A/D CONVERTER'S ZERO STANDARD VOLTAGE OUTPUT 3.3V ANALOG PART STANDARD VOLTAGE...
  • Page 161: Rtc Backup Circuit

    2. The watch dog timer, built-in the ASIC (IC501), is initialized by the CPU about every 1.5 ms. When a watch dog error occurs, pin 115 of the ASIC (IC501) 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 162: Supervision Circuit For The Thermal Head Temperature

    7.3.8. SUPERVISION CIRCUIT FOR THE THERMAL HEAD TEMPERATURE 1. Function The thermistor changes the resistor according to the temperature and uses the thermistor's characteristics. The output of pin 137 of IC501 becomes a low level. Then when it becomes a high level, it triggers point A In point C, according to the voltage output time, the thermal head's temperature is detected.
  • Page 163: Facsimile Section

    7.4. FACSIMILE SECTION 7.4.1. IMAGE DATA FLOW DURING FACSIMILE OPERATION Copy (Fine, Super-Fine, Half Tone) 1. Line information is read by CIS (to be used as the reference white level) via route1, and is input to IC501. Refer to BLOCK DIAGRAM() 2.
  • Page 164 input to the Image Processing Section. After finishing the draft’s information image processing, white is regarded as "0" and black is regarded as "1". Then via routes4 and 5, they are stored in RAM. 4. The white/black data stored as above via routes6 and 8 is input to the P/S converter.
  • Page 165: Block Diagram

    7.4.2. BLOCK DIAGRAM 7.4.3. THERMAL HEAD 1. Function This unit utilizes the state of the art thermal printer technology. The ink film is chemically processed. The ink film is comprised of two parts: an ink layer and a base film. When the thermalhead contacts this ink film, it emits heat momentarily, and the ink...
  • Page 166 layer is melted and transferred to the paper. If this continues, letters and/or diagrams appear, and the original document is reproduced. 2. Circuit Operation Refer to the block diagram and the timing chart on the following page. There are 9 driver ICs aligned horizontally on the thermal head and each one of these ICs can drive 192 heat-emitting registers.
  • Page 167 pin 103 (STB1) and IC501 pin 104 (STB2). (logic-AND) [Print speed of one-line: 4.608msec] (ii) Print Duty more than 50% The sequence is shown on TIMING CHART When print duty is more than 50%, IC520 pin 45 (NEWSTB1) and IC501 pin 103 (STB1) are the same signal.
  • Page 168: Scanning Block

    (ii) Print Duty more than 50% 7.4.4. SCANNING BLOCK The scanning block of this device consists of a control circuit and a contact image sensor made up of a celfoc lens array, an LED array, and photoelectric conversion elements.
  • Page 169 When an original document is inserted and the start button pressed, pin 21 of IC501 goes to a high level and the transistor Q507 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 IC501, and the original image illuminated by the LED array undergoes photoelectric conversion to output an analog image signal (SIG).
  • Page 170 Stepping Motor Drive Mode Function Mode Phase Speed Pattern Copy Fine or 432 pps (t=1/ photo 432) Super Fine 216 pps (t=1/ 216) Paper ——— 432 pps (t=1/ Feed 432) Stand-by ——— None All phases currently off. The motor suspends while it is in the receive mode (about 70~80 msec), pin 131 of ASIC IC501...
  • Page 171 becomes a low level and Q507 turns OFF. Then Q504 also turns OFF, and instead of +24 V, +5 V is supplied through D504 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. 7.4.6.
  • Page 172: Gear Section

    Function Mode Phase Speed Pattern Copy Fine or 432 pps (t=1/ photo 432) Super Fine 216 pps (t=1/ 216) Paper ——— 432 pps (t=1/ Feed 432) Stand-by ——— None All phases currently off. The motor suspends while it is in the receive mode (about 70~80 msec), pin 124 of ASIC IC501 becomes a low level and Q503 turns OFF.
  • Page 173 Sensor Sensor or Switch Message Error Sensor Circuit Name Location Operation SW353 Document set SW [CHECK DOCUMENT] Panel SW352 [REMOVE DOCUMENT] Document top SW Digital PCB PS501 Paper Top [PAPER JAMMED] Analog P.C.B SW101 Hook ———— Sensor P.C.B SW501 Film Detection [CHECK FILM SLACK] SW502 [CHECK COVER]...
  • Page 174 7.6.2. DOCUMENT SET SW (SW353)...."CHECK DOCUMENT" When a document is set, the SW turns ON, and the input signal of IC301-9 pin (Operation) becomes a low level. When there is no document, the SW turns ON, and the input signal of IC301 -9 pin (Operation) becomes a high level.
  • Page 175: Modem Section

    When the handset is returned, the switch turns ON, and the signal at pin 25 of IC501 becomes low. Digital Board Signal (IC501-25 pin) ON-Hook Low level OFF-Hook High level 7.6.5. PAPER TOP SENSOR (PS501)......"PAPER JAMMED" When the recording paper is loaded on the print head, the shelter plate shuts the sensor light, and the photo transistor turns OFF.
  • Page 176 digital image signals are modulated and sent to the telephone line. During a receiving operation, the analog image signals which are received via the telephone line are demodulated and converted into digital image signals. The communication format and procedures for FAX communication are standardized by ITU-T. This 1 chip modem (IC505) has hardware which sends and detects all of the necessary signals for FAX communication.
  • Page 177 transmission of written statements. Through symbiotic linkages with other communication methods, it can be expected to expand to include integrated services. 3. Facsimile Call Time Series Facsimile Call Time Series As shown in the following diagram, the facsimile call time series is divided into five phases. Phase A : Call setting Call setting can be manual/automatic.
  • Page 178 document was actually sent, and to check for telephone reservations and/or the existence of continuous transmission. 5. Facsimile Standards Telephone Network Facsimile G3 Machine Item Connection Control Mode Telephone Network Signal Mode Terminal Control Mode T. 30 Binary Facsimile Signal Format Digital Modulation Mode PSK (V.
  • Page 179 Explanation of Signals Control signals are comprised mainly of 8-bit identification signals and the 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.):...
  • Page 180 Bit No. DIS/DTC 11, 12, 13, 14 Data signaling rate Data signaling rate 0, 0, 0, 0 V.27 ter fall back mode 2400 bit/s, V.27 ter 0, 1, 0, 0 V.27 ter 4800 bit/s, V.27 ter 1, 0, 0, 0 V.29 9600 bit/s, V.29 1, 1, 0, 0...
  • Page 181 Bit No. DIS/DTC 21, 22, 23 Minimum scan line time capability of the Minimum scan line time receiver (0, 0, 0) 20 ms 20 ms at 3.85 l/mm: T (0, 0, 1) 40 ms 3.85 40 ms at 3.85 l/mm: T (0, 1, 0) 10 ms 3.85...
  • Page 182 Bit No. DIS/DTC Inch based resolution preferred Resolution type selection "0" : neuritic based resolution "1" : inch based resolution Metric based resolution preferred Don’t care Don’t care Minimum scan line time capability for higher resolutions "0" : T "1" : T = 1/2T 15.4 15.4...
  • Page 183: Modem Circuit Operation

    Signal Identification Signal Format Function X1111100 If there is an operator call from the sender, it PRI-EOP after RTC. (Procedural Interrupt- EOP) X0110101 This is output when an operator call is received. (Procedural Interrupt Positive) b. Redundancy Compression Process Coding Mode This unit uses one-dimensional MH format.
  • Page 184: Check Sheet

    IC509(1 2), amplifier IC511(2 1) and the NCU section to the telephone line. Refer to CHECK SHEET 2. Facsimile Reception The analog image data which is received from the telephone line passes through the NCU section and enters pin 45 of the modem (IC505).
  • Page 185: Analog Unit Block Diagram

    from ASIC IC501, and the status information for the various sections is also held in ASIC IC501. Simple explanations for the various sections are given below. 2. Circuit Operation [NCU Section] This is the interface between the telephone line and external telephone. This is composed of a bell detection circuit, pulse dial generation circuit, EXT.
  • Page 186: Tam Interface Circuit

    7.9.4. TAM INTERFACE CIRCUIT This circuit is to switch between FAX receiving and the external TAM’s message recording automatically. This circuit consists of an EXT. TAM OFF-HOOK detect circuit, monitor transformer, multiplexer, amplifier, and VOX detect circuit. For details, please refer to TAM INTERFACE SECTION 7.9.5.
  • Page 187: Calling Line Identification Circuit

    7.9.7. CALLING 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.
  • Page 188: Its (Integrated Telephone System) And Monitor Section

    7.10. ITS (Integrated Telephone System) AND MONITOR SECTION 7.10.1. GENERAL...
  • Page 189 During the monitor operation, the speaker output passes through the power amplifier (IC102) [Analog board]. The DTMF signal is output from the modem (IC505: digital board). The alarm tone, the key tone, bell tone, and beep are output from gate array IC501 (digital board). During a pulse dial operation, the monitor tone is output from gate array IC501.
  • Page 190: Circuit Operation

    To switch between the answering machine and facsimile in the EXT. TAM Mode. EXTERNAL TAM OPERATION UNIT OPERATION When the bell signal rings as many times The length of the answering message as the number memorized into the should be 8~16 seconds. connected answering machine (TAM), the While the message is being played, the unit answering machine is connected to the line...
  • Page 191: Operation Board Section

    A bell is received at EXT. TAM and EXT. TAM is connected to the line, making a DC LOOP. Then, PC105 detects this voltage. During detection, PC105 (4) becomes low. (DC LOOP) L102 PC105 (2, 1) L105 Tip1 (EXT.TAM) Ring 1 L104 RLY101(5, 3) L103...
  • Page 192: Lcd Section

    7.13. LCD SECTION The Gate Array (IC301) works only for writing the ASCII code from the data bus (D4~D7). V0 is supplied for the crystal drive. R303, R305, and R306 are density control resistors. Consequently, in this unit, the timing (positive clock) is generated by the LCD interface circuitry in the gate array (IC301).
  • Page 193 This power supply board uses the switching regulator method. [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 charges C106 to make DC voltage. Then it supplies power to the converter circuit.
  • Page 194 The following is an overview of how the power supply unit is controlled. The control method of this power supply unit is pulse width modulation. When Q is ON, the energy is charged in the transfer primary coil according to E .
  • Page 195 [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 transistor. In this power supply, the duty ratio is defined by changing the ON period of the main transistor.
  • Page 196: Reference Material Data

    [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 POWER SUPPLY BOARD SECTION 8.
  • Page 197: Flat Package Ic Removal Procedure

    8.2.1. PREPARATION - SOLDER Sparkle Solder 115A-1, 115B-1 OR Almit Solder KR-19, KR-19RMA - Soldering iron Recommended power consumption is between 30 W to 40 W. Temperature of Copper Rod 662 ± 50°F (350 ± 10°C) (An expert may handle a 60~80 W iron, but a beginner might damage the foil by overheating.) - Flux HI115 Specific gravity 0.863...
  • Page 198: Flat Package Ic Installation Procedure

    3. While the solder melts, remove it together with the IC pins. When you attach a new IC to the board, remove all solder left on the land with some tools like a soldering wire. If some solder is left at the joint on the board, the new IC will not be attached properly.
  • Page 199: Bridge Modification Procedure

    *Check the accuracy 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. 8.2.4. BRIDGE MODIFICATION PROCEDURE 1.
  • Page 200: Itu-T No.1 Test Chart

    8.3.1. ITU-T No.1 TEST CHART 8.3.2. ITU-T No.2 TEST CHART...
  • Page 201: Fixtures And Tools

    9. FIXTURES AND TOOLS...
  • Page 202: Cabinet, Mechanical And Electrical Parts Location

    10. CABINET, MECHANICAL AND ELECTRICAL PARTS LOCATION 10.1. GENERAL SECTION...
  • Page 203: Operation Panel Section

    10.2. OPERATION PANEL SECTION...
  • Page 204: Back Cover Section

    10.3. BACK COVER SECTION...
  • Page 206: Upper Cabinet Section

    10.4. UPPER CABINET SECTION...
  • Page 207: Lower Cabinet / P.c.board Section

    10.5. LOWER CABINET / P.C.BOARD SECTION...
  • Page 208: Motor Section

    CROSS REFERENCE: MOTOR SECTION 10.6. MOTOR SECTION...
  • Page 209: Actual Size Of Screws

    10.7. ACTUAL SIZE OF SCREWS 11. ACCESSORIES AND PACKING MATERIALS...
  • Page 210: Replacement Parts List

    12. REPLACEMENT PARTS LIST Notes: 1. RTL (Retention Time Limited) Note:...
  • Page 211: Cabinet And Electrical Parts

    The marking (RTL) indicates that the Retention Time is limited for this item. After the discontinuation of this assembly in production, the item will continue to be available for a specific period of time. The retention period of availability is dependent on the type of assembly, and in accordance with the laws governing parts and product retention.
  • Page 212 Ref. No. Part No. Part Name & Description Remarks PFGP1220V PANEL, LCD PFGV1014Z TRANSPARENT PLATE PFGD1049Z CARD, TEL. PFHX1616Z PLASTIC PARTS, RING COPY PFHX1618Z PLASTIC PARTS, RING STOP PFHX1617Z PLASTIC PARTS, RING START PFGG1177W1 GRILLE, OPERATION PANEL PS-HB PFDG1148Z GEAR, DOCUMENT EXIT ROLLER POM-HB PFDN1040Z ROLLER, DOCUMENT EXIT...
  • Page 213: Lower Cabinet / P.c.b.section

    Ref. No. Part No. Part Name & Description Remarks PFUS1404Z TORSION SPRING, EARTH LEVER PFUS1258Z COIL SPRING, LOCK LEVER PFHX1596Z SPACER, LOCK LEVER SHEET PFUS1232Z COIL SPRING, BACK TENSION PFDG1160Z GEAR BACK TENSION POM-HB PFHS1029Z COVER, BACK TENSION PFDG1291Z GEAR, PICK UP IDLER POM-HB PFDG1292Z GEAR, PICK UP IDLER...
  • Page 214 Ref. No. Part No. Part Name & Description Remarks PFMD1063Y FRAME, BOTTOM PFHG1050Z RUBBER PARTS, LEG PFJP03S04Z CONNECTOR, 3 PIN PQJS02Q59W CONNECTOR, 2 PIN PQMX10010Z COVER, SUMI TUBE PQLB1E1 INSULATOR, FERRITE CORE WLR18YK26CM4 LEAD WIRE, EARTH PQHR945Z BAND XWC4B WASHER PFJS07Q67Z CONNECTOR PFHX1350Z...
  • Page 215: Digital Board Parts

    Ref. No. Part No. Part Name & Description Remarks PFJA1030Z POWER CORD PQJA10075Z CORD, TELEPHONE PFJA04C002Z CORD, HANDSET PFKS1076Z1 TRAY, RECORDING PAPER LOAD PS-HB (for Letter Paper Size) PFKS1081Z1 TRAY, RECORDING PAPER LOAD PS-HB (for Legal Paper Size) PFPE1251Z ACCESSORY PARTS, INK RIBBON (10M) PFJXE0805Z HANDSET ASS'Y PFUS1406Z...
  • Page 216 Ref. No. Part No. Part Name & Description Remarks Q514 2SB1218A TRANSISTOR(SI) Q517 PQVTDTC143E TRANSISTOR(SI) Q518 2SD1819A TRANSISTOR(SI) Q524 PQVTDTC114EU TRANSISTOR(SI) Q525 UN5113 TRANSISTOR(SI) Q526 PQVTDTC143E TRANSISTOR(SI) IC506 PFVTSI4431DY TRANSISTOR(SI) (DIODES) D501 PFVDRMRLS245 DIODE(SI) D502 MA7160 DIODE(SI) D503 RLS71 DIODE(SI) D504 PFVDRMRLS245 DIODE(SI) D505...
  • Page 217 Ref. No. Part No. Part Name & Description Remarks RA517 EXB38V101JV RESISTOR ARRAYS (CRYSTAL OSCILLATORS) X501 PFVCCFS32Z CRYSTAL OSCILLATOR X502 PFVBKB240ZAT CRYSTAL OSCILLATOR X503 PFVC32256ZAT CRYSTAL OSCILLATOR (PHOTO ELECTRIC TRANSDUCER) PHOTO SENSOR PS501 PFVISG257 (RESISTORS) L501 ERJ3GEYJ101 L502 ERJ3GEYJ101 L503 ERJ3GEYJ101 L504 ERJ3GEYJ101...
  • Page 218 Ref. No. Part No. Part Name & Description Remarks R534 ERJ3GEY0R00 R535 ERJ3GEYJ821 R536 ERDS1VJ152 1.5k R538 ERJ3GEYJ101 R539 ERJ3GEYJ101 R540 ERJ3GEYJ101 R541 ERJ3GEYJ101 R542 ERJ3GEYJ101 R543 ERJ3GEYJ101 R544 ERJ3GEYJ222 2.2k R545 ERJ3GEYJ471 R548 ERJ3GEYJ103 R549 ERJ3GEYJ101 R550 ERJ3GEYJ103 R551 ERJ3GEYJ101 R552 ERJ3GEYJ470...
  • Page 219 Ref. No. Part No. Part Name & Description Remarks R597 ERJ3GEYJ334 330k R600 ERJ3GEYJ473 R603 ERG2SJ391 R614 ERJ3GEYJ472 4.7k R615 ERJ3GEYJ222 2.2k R619 ERJ3GEYJ104 100k R620 ERJ8GEYJ2R2 R621 ERJ3GEYJ4R7 R622 PQ4R10XJ331 R625 ERJ3GEYJ101 R626 ERJ3GEYJ101 R629 ERJ3GEYJ101 R634 ERJ3GEY0R00 R653 ERJ3GEYJ101 R654 ERJ3GEYJ101...
  • Page 220 Ref. No. Part No. Part Name & Description Remarks C504 PQCUV1H104ZF 0.1 C509 ECUV1H102KBV 0.001 C510 ECUV1H104ZFV 0.1 C513 ECUV1H104ZFV 0.1 C514 ECUV1H104ZFV 0.1 C515 ECUV1H104ZFV 0.1 C516 ECUV1H104ZFV 0.1 C517 ECUV1H104ZFV 0.1 C518 ECUV1H222KBV 0.0022 C519 ECUV1C104KBV 0.1 C522 ECUV1C104KBV 0.1 C523 ECUV1H150JCV 15P...
  • Page 221: Analog Board Parts

    Ref. No. Part No. Part Name & Description Remarks C580 ECUV1H390JCV 39P C581 ECUV1H223KBV 0.022 C582 PQCUV1H104ZF 0.1 C583 ECUV1H104ZFV 0.1 C584 ECUV1H181JCV 180P C585 ECUV1H104ZFV 0.1 C586 ECUV1C104KBV 0.1 C588 ECEA1HKS100 C589 ECUV1H104ZFV 0.1 C591 ECUV1H472KBV 0.0047 C592 ECUV1H472KBV 0.0047 C598 ECUV1H120JCV 12P C599...
  • Page 222 Ref. No. Part No. Part Name & Description Remarks PCB2 PFWP2FHD331M ANALOG BOARD ASS'Y (RTL) (ICs) IC101 PQVINJM2904F IC102 PQVIMC34119M IC (TRANSISTORS) Q101 2SD1819A TRANSISTOR(SI) Q102 PQVTDTC143E TRANSISTOR(SI) Q103 2SD1819A TRANSISTOR(SI) (DIODES) D101 MA4056 DIODE(SI) D102 MA4056 DIODE(SI) D103 1SS119 DIODE(SI) D105 1SS119...
  • Page 223 Ref. No. Part No. Part Name & Description Remarks T101 G4A1A0000159 TRANSFORMER (RESISTORS) R101 ERJ3GEYJ123 R102 ERJ3GEYJ682 6.8k R103 ERJ3GEYJ222 2.2k R105 ERG2SJ151 R106 ERDS1TJ103 R107 ERDS1TJ473 R108 ERJ3GEYJ393 R109 ERDS2TJ221 R111 ERJ3GEYJ564 560k R112 ERJ3GEYJ124 120k R114 ERJ3GEYJ183 R115 ERJ3GEYJ124 120k R116...
  • Page 224: Operation Board Parts

    Ref. No. Part No. Part Name & Description Remarks C116 ECUV1H820JCV 82P C118 ECUV1H104ZFV 0.1 C122 ECUV1H153KBV 0.015 C124 ECUV1H561JCV 560P C125 ECEA1HKS100 C131 ECUV1H103KBV 0.01 C132 ECEA1CKS100 C133 ECEA1CKS470 C134 ECUV1H472KBV 0.0047 C136 ECEA1CKS470 C137 ECUV1H103KBV 0.01 C138 ECUV1H103KBV 0.01 C139 ECUV1C104KBV 0.1 C140...
  • Page 225 Ref. No. Part No. Part Name & Description Remarks SW313 PQSH1A105Z PUSH SWITCH SW314 PQSH1A105Z PUSH SWITCH SW315 PQSH1A105Z PUSH SWITCH SW316 PQSH1A105Z PUSH SWITCH SW317 PQSH1A105Z PUSH SWITCH SW318 PQSH1A105Z PUSH SWITCH SW319 PQSH1A105Z PUSH SWITCH SW320 PQSH1A105Z PUSH SWITCH SW321 PQSH1A105Z PUSH SWITCH...
  • Page 226: Power Supply Board Parts

    Ref. No. Part No. Part Name & Description Remarks C314 ECUV1C104KBV 0.1 C316 ECUV1H103KBV 0.01 C317 ECUV1H103KBV 0.01 12.5. POWER SUPPLY BOARD PARTS Ref. No. Part No. Part Name & Description Remarks PCB4 N0AB2GJ00002 POWER SUPPLY BOARD ASS'Y (RTL) (ICs) IC101 PFVIFA5317P IC201...
  • Page 227: Sensor Board Parts

    Ref. No. Part No. Part Name & Description Remarks (PHOTO ELECTRIC TRANSDUCER) PC101 0N3131SKU PHOTO COUPLER (RESISTORS) R101 ERDS2J105 R102 ERDS2J274 270k R103 ERDS2J274 270k R104 ERG2SJ473 R105 ERX2SJR22 0.22 R106 ERG2SJ470 R108 ERDS2FJ220 R109 ERDS2J220 R121 ERJ3GEYJ103 R122 ERJ3GEYJ821 R124 ERJ3GEYJ201 R125...
  • Page 228: Printed Circuit Board

    Ref. No. Part No. Part Name & Description Remarks PCB5 PFLP1431MZ SENSOR BOARD ASS'Y (RTL) (CONNECTOR) CN501 PQJP3G43Z CONNECTOR, 3 PIN (SWITCHES) SW501 K0MA11000030 REED SW, FILM DETECTION SW502 PFSH1A011Z PUSH SWITCH, COVER OPEN 12.7. FIXTURES AND TOOLS Ref. No. Part No.
  • Page 229: Power Supply Board (Pcb4)

    13.5. POWER SUPPLY BOARD (PCB4) 14. FOR THE SCHEMATIC DIAGRAMS 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. 15.
  • Page 230 L101 D108 (F101) C109 IC101 ZNR101 R101 C204 CN31 C206 D202 (BOTTOM VIEW) D202 C206 CN31 C204 R125 R136 R101 R121 Q101 C122 ZNR101 D108 L101 R221 C109 PC101 R222 IC201 C205 R225 VR201 R223 KX-FHD332C : POWER SUPPLY BOARD(PCB4)
  • Page 231 PFUP1301ZA SW501 CHECK CN501 SW502 KX-FHD332C : SENSOR BOARD(PCB5)
  • Page 232 PA2/DRB2 DRB[1] 60 PB3/A11 PA1/DRB1 DRB[0] 61 PB2/A10 PA0/DRB0 62 PB1/A9 +24V 63 PB0/A8 64 A3 +5VD R520 1.5K 1/2W Q503 L501 Q502 (16) (19) (15) KX-FHD332C : DIGITAL BOARD (1/4) (8)(9) (10) (11) (13) (14) (17) (18) (20) (12)
  • Page 233 KTXD +2.5V +3_3VBAT +2.5V +3.3VD R510 +2.5V/BATIN KRXD KRXD X501 R517 KLATCH KLATCH 32.768KHz Q506 R515 KSTART KSTART +2_5VBAT R537 C510 Q505 +5VD Z0.1u R604 +5VD MICIN CN512 CN508 TO SENSOR SW KX-FHD332C : DIGITAL BOARD (2/4) TO FLASH PROGRAMER...
  • Page 234 R581 R568 +12V Q511 R597 +12V R577 R569 330K +3.3VD C584 C579 R587 J180p K0.1u IC511-1 +3.3VD (41) (42)(43) (37) (38)(39)(40) AG_M (26)(27) KX-FHD332C : DIGITAL BOARD (3/4) (32) (33) (34) (21) (28) (31) (35) (36) (22)(23) (24)(25) (29) (30)
  • Page 235 NOT USED CISSEL VIDEO FAX TX Signal +3.3VD +3.3VD FAX RX Signal AG_M +24V Q513 +5VD +3VDCIS TAD MODEL Only R614 R632 C660 4.7K C633 ..Q514 ..Q518 KX-FHD332C : DIGITAL BOARD (4/4) CN503 TO FLASH PROGRAMER TO CIS...
  • Page 236 +5VA FAX TX Signal +2.0V +5VA FAX RX Signal +5VA R158 R157 Q108 PC104 R155 C179 NC R153 D109 Q107 C155 PC106 2.0V Q106 HANDSET, MONITOR FAX RX R116 220K C116 J82P +5VA R112 120K C112 K0.012u +5VA R114 C114 IC101-2 K0.047u +2.0V...
  • Page 237 R139 C143 CN104 R144 L107 1 HSMIC(-) C140 K0.1u R140 IC101-1 L108 3 HSSP(+) +5VA L109 2 HSSP(-) +2.0V L110 (10) 4 HSMIC(+) Q105 C135 R134 R148 (11) 5.6K Q103 C132 Q104 16V10u JJ103 KX-FHD332C : ANALOG BOARD (PCB2) (12)
  • Page 238 ONE TOUCH 4 ONE TOUCH 1 SW308 SW313 SW318 SW323 SW327 SW332 SW337 DOCUMENT DOCUMENT SET SW TOP SW Not used C353 J330P R355 TO MIC 560K Q301 R353 C352 MIC (+) K0.0068u MIC (-) KX-FHD332C : OPERATION BOARD (PCB3)
  • Page 239 R125 R124 D107 1000p IC202 D108 R108 D202 C121 IC101 L101 R205 C206 4700p 1000p/1K ZNR101 470V R101 Cycle = 12.4 s C101 Cycle = 12.4 s C124 R127 1.8K -20V -40V CN31 PC101 KX-FHD332C : POWER SUPPLY BOARD (PCB4)
  • Page 240 COVER OPEN SW SW502 CN501 COVER OPEN READ READ SW501 KX-FHD332C : SENSOR BOARD (PCB5)
  • Page 243 LCD MODULE ASIC CN302 KSL0~4 CN504 CN301 GATE ARRAY IC501 IC301 KEYS KIN0~7 MATRIX XL9, 10 LED2 DOCUMENT TOP SW DOCUMENT SET SW DIGITAL BOARD OPERATION BOARD KX-FHD332C:OPERATION BOARD BLOCK DIAGRAM...
  • Page 244 C539 C551 C548 C534 AMON Q513 C623 R545 C667 L531 R558 C519 R537 +3.3VBAT BAT501 C669 R634 +3.3VD X501 R595 R596 VIDEO R633 C668 R706 CN503 CN508 C663 C660 Q506 CN509 R741 +2.5VBAT KX-FHD332C : DIGITAL BOARD(PCB1) : COMPONENT VIEW...
  • Page 245 1 2 3 4 5 6 7 8 9 C D E F G H I +12V 1.25A CN516 Q507 +3.3VD A0 A1 ROMCS CN504 Q505 PFUP1298ZA RESET +5VD AG-M +2.5V MFCS +2.5V/BAT Q518 +3.3V/BAT CN503 CN509 KX-FHD332C : DIGITAL BOARD(PCB1) : BOTTOM VIEW...
  • Page 246 Q107 E R121 CN104 D114 PC101 C155 R104 D106 R109 C157 D112 D105 D113 C132 SW101 C171 C136 D103 C170 PC102 PC105 PC103 PC106 PC104 C133 C174 JJ108 JJ107 JJ103 R178 R177 CN101 KX-FHD332C : ANALOG BOARD(PCB2) : COMPONENT VIEW...
  • Page 247 Q106 C159 R172 C172 IC102 C173 R173 1 2 3 4 5 6 7 8 9 A B C D E F G a b c d A B C A B C KX-FHD332C : ANALOG BOARD(PCB2) : BOTTOM VIEW...
  • Page 248 SW311 SW316 ERASE SW301 SW327 RECORD PCB-CH J315 FAX/START/SET MENU LED301 SW323 J305 SW321 SW322 NAVIGATOR PLAY-MESSAGE J312 SW320 SW307 SW312 SW317 SW302 SW303 PREV NEXT CN303 C354 STOP MUTE FLASH REDIAL/PAUSE SP-PHONE/MONITOR KX-FHD332C : OPERATION BOARD(PCB3) : COMPONENT VIEW...
  • Page 249 SW353 KX-FHD332C : OPERATION BOARD(PCB3) : BOTTOM VIEW...

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