Panasonic KX-FP80C Service Manual Download

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2.3.10.3. CHECK THE COVER OPEN AND THE FILM END SW (SW501)................."COVER OPEN "
or "CHECK FILM"

2.3.10.4. CHECK THE HOOK SWITCH (SW101)

2.3.10.5. CHECK THE PAPER TOP SENSER (PS501)........................"PAPER JAMMED"

2.3.11. CIS (Contact Image Sensor) SECTION

Refer to

6.4.4. SCANNING BLOCK

().

101

Summary of Contents for KX-FP80C

Page 1: ...1 Compact Plain Paper FAX KX FP80C for Canada 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 1 ...

Page 2: ...ustomer from being exposed to shock hazards 1 2 INSULATION RESISTANCE TEST 1 Unplug the power cord and short the two prongs of the plug with a jumper wire 2 Turn on the power switch 3 Measure the resistance value with an ohmmeter between the jumpered AC plug and each exposed metal cabinet part screw heads control shafts bottom frame etc Note Some exposed parts may be isolated from the chassis by d...

Page 3: ...eable in state government federal and local hazardous materials and hazardous waste transportation and disposal requirements A battery continues to have no transportation limitations as long as it is separated to prevent short circuits and packed in strong packaging Commercial firms that dispose of any quantity of lithium cells should have a mechanism in place to account for their ultimate disposi...

Page 4: ...re rotated by the document feed motor A gear rotates the two rollers Be careful not to touch them with your hands especially when the unit is operating 1 6 2 LIVE ELECTRICAL SECTIONS All the electrical sections of the unit supplied with AC power by the AC power cord are live Never disassemble the unit for service with the AC power supply plugged in CAUTION AC voltage is supplied to the primary sid...

Page 5: ...late 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 5 ...

Page 6: ...mpatible Automatic document feeder 10 sheets Fax pager call Quick scan Resolution Standard Fine Super fine Half tone 64 level Broad cast with SPEED DIRECTOR 50 sheet paper capacity 20 lb Automatic fax phone switching Distinctive ring detection The 15 second speed is based upon the ITU T No 1 Test Chart on the condition that memory transmission is performed Subscription to distinctive ring services...

Page 7: ... 600 mm 23 5 8 in length Effective Scanning Width 208 mm 8 3 16 Recording Paper Size Letter 216 279 mm 8 1 2 11 Legal 216 356 mm 8 1 2 14 Effective Printing Width 208 mm 8 3 16 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 HALF TONE mode 15 4 lines mm 392 lines...

Page 8: ...AC 60 Hz Memory Capacity Approx 24 pages memory reception Approx 21 pages memory transmission 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 The 15 second speed is based upon the ITU T No 1 Test Chart and original mode Refer to 1 11 ITU T No 1 Test Chart...

Page 9: ...1 10 OPTIONAL ACCESSORIES 1 11 TEST CHART 1 11 1 ITU T No 1 TEST CHART 9 ...

Page 10: ...1 11 2 ITU T No 2 TEST CHART 10 ...

Page 11: ...1 12 LOCATION OF CONTROLS 1 12 1 OVERVIEW 11 ...

Page 12: ...Note The document will be ejected from the front of the unit Install the unit on a desk or floor with a smooth surface and do not place anything in front of the unit 1 12 2 CONTROL PANEL 12 ...

Page 13: ...1 13 CONNECTIONS 1 Connect the handset cord 2 Connect the telephone line cord 3 Connect the power cord When the power is turned on for the first time the unit will print some basic information 13 ...

Page 14: ...er damage due to power line surges or lightning When you operate this product the power outlet should be near the product and easily accessible If you want to connect an answering machine to the unit you will remove the stopper with your finger and connect the cord to the EXT jack 1 14 INSTALLATION 1 14 1 INSTALLATION SPACE The space required to install the unit is shown below The dimensions given...

Page 15: ...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 1 14 2...

Page 16: ... up to 50 sheets of 60 g m2 to 75 g m2 16 lb to 20lb paper or 30 sheets of 90 g m2 24 lb paper Letter 216 mm 279 mm 8 1 2 11 Legal 216 mm 356 mm 8 1 2 14 If you use legal size paper please purchase a legal paper tray Model No KX FA50 and install it For best results only use inkjet paper such as Hammermill Jet Print If you use other types of paper the print quality may be affected 1 Fan the stack o...

Page 17: ...that is over 20 such as letterhead paper or paper used for resumes Do not use different types or thicknesses of paper at the same time This may cause a paper jam Avoid extremely smooth or shiny paper that is highly textured Avoid paper that is coated damaged or wrinkled 17 ...

Page 18: ...t happy with the print quality Trademarks Hammermill is a registered trademark of INTERNATIONAL PAPER in the United States and or other countries 1 14 4 ADDING PAPER TO THE PAPER TRAY 1 Pull the cassette open lever forward and remove all of the installed paper 2 Add paper to the removed paper and straighten 3 Fan the stack of paper 4 Pull the tension bar forward and hold open while inserting the p...

Page 19: ...arbon or carbon less duplicating paper Electrostatically charged paper Heavily 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 front e q newspaper 1 14 6 SETTING YOUR LOGO The logo can be your company division or name 1 Press Display 2 Press then 3 Press 4 Enter your logo up to 30 characters by ...

Page 20: ...Example Bill A Press twice B Press six times C Press six times D Press to move the cursor to the next space and press six times 5 Press 6 Press 20 ...

Page 21: ...r then make the correction To insert a character 1 Press or to move the cursor to the position where you want to insert the character 2 Press Insert to insert a space and enter the To delete a character Move the cursor to the character you want to delete and press 1 14 7 TO SELECT CHARACTERS WITH THE DIAL KEYPAD 21 ...

Page 22: ... pressing the dial keys you can select characters using the SPEED DIRECTOR 1 Rotate unit the desired character is displayed 2 Press to move the cursor to the next space The character displayed in step 1 is inserted 3 Return to step 1 to enter the next character 22 ...

Page 23: ...he following message will be displayed Display Install a new ink film The following ink films are available for replacement Each roll prints about 150 letter size pages Refer to 1 10 OPTIONAL ACCESSORIES Model No KX FA55A Replacement film 2 rolls 1 Open the front cover by pulling up the center part 23 ...

Page 24: ...2 Push the back cover open button and open the back cover 24 ...

Page 25: ...3 Pull up the blue gear side and remove the used ink film Remove the used core 4 Remove the stoppers and tags from the new ink film Find the T shaped gear blue 25 ...

Page 26: ...e core of the front ink film roll into the right slot of the unit Insert the T shaped gear blue into the left slot of the unit Insert the back ink film roll 6 If the ink film is slack tighten it by winding the gear 26 ...

Page 27: ...ack cover securely by pushing down on the dotted area at both ends Close the front cover securely The following message will be displayed while the unit is checking that there is no slack on the ink film Display 27 ...

Page 28: ...ING 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 3 Check equipment Perform copying self testing and communication testing to determine if the problem originates from the transmi...

Page 29: ...asures at this stage to ensure that the problem will not recur 6 Confirm normal operation of the equipment After completing the repairs conduct copying self testing and communication testing to confirm that the equipment operates normally 7 Record keeping Make a record of the measures taken to rectify the problem for future reference 1 15 2 MAINTENANCE CHECK ITEMS COMPONENT LOCATIONS 29 ...

Page 30: ...1 15 2 1 MAINTENANCE LIST 30 ...

Page 31: ...D POWER BOARDS AND AC INLET 6 Glass If the glass is dirty clean them with a dry soft cloth Refer to 1 15 3 MAINTENANCE 7 Abnormal wear and tear or loose parts Replace the part Check if the screws are tight on all parts 1 15 2 2 MAINTENANCE CYCLE No Item Cleaning Cycle Replacement Cycle Procedure 1 Separation Roller Ref No 117 3 months 7 years 100 000 documents Refer to 4 6 HOW REMOVE THE SEPARATIO...

Page 32: ... 2 Open the front cover by pulling up the center part 3 Clean the document feed rollers and rubber flap with a cloth moistened with isopropyl rubbing alcohol and let all parts dry thoroughly 4 Clean the glass with a soft dry cloth 5 Close the front cover securely 6 Connect the power cord and the telephone line cord Caution Do not use paper products such as paper towels or tissues to clean the insi...

Page 33: ...1 15 3 2 CLEANING THE THERMAL HEAD AND BLACK BAR If dirty patterns or black or white bands appear on a copied or received document clean the thermal head 33 ...

Page 34: ... dry thoroughly 5 Close the back cover securely by pushing down on the dotted area at both ends Close the front cover securely 6 Connect the power cord and the telephone line cord Caution To prevent a malfunction due to static electricity do not use a dry cloth and do not touch the thermal head directly with your fingers 1 15 3 3 CLEANING THE PICKUP ROLLER Refer to 4 10 HOW TO REMOVE THE PICKUP RO...

Page 35: ...are connected correctly not loose If the problem occurs randomly check it very carefully 3 When connecting the AC power cord with the unit and checking the operation exercise utmost care when handling electric parts in order to avoid electric shocks and short circuits 4 After troubleshooting double check that you have not forgotten any connectors left any loose screws etc 5 Always test to verify t...

Page 36: ...Note The explanations given in the are for servicemen only CROSS REFERENCE 2 2 1 DOCUMENT JAMS 2 2 2 RECORDING PAPER JAMS 3 ADJUSTMENTS 36 ...

Page 37: ...he are for servicemen only 2 2 1 DOCUMENT JAMS If the unit does not release the document during feeding remove the jammed document as follows 1 Open the front cover by pulling up the center part 2 Remove the jammed document carefully 3 Close the front cover securely 37 ...

Page 38: ...Note Do not pull out the jammed paper forcibly before opening the front cover 38 ...

Page 39: ...rding paper during reception or copying the recording paper has jammed and the display will show the following massage When paper has jammed under the film cartridge Display Remove the jammed paper as follows 1 Open the front cover by pulling up the center part 39 ...

Page 40: ...2 Push the back cover open button and open the back cover 40 ...

Page 41: ...emove the jammed recording paper 4 If the ink film is slack tighten it by winding the gears 5 Close the back cover securely by pushing down on the dotted area at both ends Close the front cover securely 41 ...

Page 42: ...g PCB etc The claim tag from a customer or dealer may use different expressions for the same problem as they are not a technician or engineer Using your experience test the problem area corresponding to the claim Also returns from a customer or dealer often have a claim tag For these cases as well you need to determine the problem Test the unit using the simple check list on 2 3 3 1 SIMPLE CHECK L...

Page 43: ...CROSS REFERENCE 2 3 3 1 SIMPLE CHECK LIST 2 3 6 DIGITAL BOARD SECTION 2 3 8 POWER SUPPLY BOARD SECTION 2 3 3 TROUBLESHOOTING ITEMS TABLE 43 ...

Page 44: ...CROSS REFERENCE 2 3 4 ADF Auto Document Feed SECTION 2 3 5 COMMUNICATION SECTION 2 3 7 ANALOG BOARD SECTION 2 3 9 OPERATION PANEL SECTION 2 3 10 SENSOR SECTION 2 3 3 1 SIMPLE CHECK LIST 44 ...

Page 45: ...CROSS REFERENCE 2 5 TEST FUNCTIONS 2 3 4 ADF Auto Document Feed SECTION 2 3 4 1 NO DOCUMENT FEED 45 ...

Page 46: ...OARD SECTION 2 3 10 SENSOR SECTION 2 5 TEST FUNCTIONS 3 ADJUSTMENTS 4 DISASSEMBLY INSTRUCTIONS 6 4 5 STEPPING MOTOR DRIVE CIRCUIT Note When using thin paper etc sometimes the document will not feed Refer to 3 1 ADJUSTING THE FEEDER PRESSURE 2 3 4 2 MULTIPLE FEED 46 ...

Page 47: ... When using thick paper etc sometimes the document will not be fed Refer to 3 1 ADJUSTING THE FEEDER PRESSURE Fig B 47 ...

Page 48: ...OSS REFERENCE 1 15 3 MAINTENANCE 3 ADJUSTMENTS 4 DISASSEMBLY INSTRUCTIONS Note When confirming if the characters are extended or distorted or if the feed problem is occurred use this test chart format 48 ...

Page 49: ... Fig B 2 3 4 3 DOCUMENT JAM CROSS REFERENCE 2 3 10 SENSOR SECTION 4 DISASSEMBLY INSTRUCTIONS 2 3 4 4 SKEW 49 ...

Page 50: ...ocument in 2 3 4 2 MULTIPLE FEED and using it CROSS REFERENCE 1 15 2 MAINTENANCE CHECK ITEMS COMPONENT LOCATIONS 2 3 4 ADF Auto Document Feed SECTION 2 3 4 2 MULTIPLE FEED 4 DISASSEMBLY INSTRUCTIONS 2 3 4 5 THE RECORDING PAPER DOES NOT FEED 50 ...

Page 51: ...nd using it CROSS REFERENCE 1 14 3 INSTALLING THE RECORDING PAPER 2 3 6 DIGITAL BOARD SECTION 2 3 8 POWER SUPPLY BOARD SECTION 2 3 10 SENSOR SECTION 2 5 TEST FUNCTIONS 4 DISASSEMBLY INSTRUCTIONS 4 11 HOW TO REMOVE THE CASSETTE PLATE 9 2 1 BACK COVER SECTION 2 3 4 6 PAPER JAM 51 ...

Page 52: ...REFERENCE 2 3 10 SENSOR SECTION 2 5 TEST FUNCTIONS 4 DISASSEMBLY INSTRUCTIONS 6 5 SENSORS AND SWITCHES 2 3 4 7 MULTIPLE FEED AND SKEW CROSS REFERENCE 4 DISASSEMBLY INSTRUCTIONS 9 1 OPERATION PANEL SECTION 52 ...

Page 53: ...of the Fig B document in 2 3 4 2 MULTIPLE FEED and using it CROSS REFERENCE 2 3 4 4 SKEW 2 3 4 9 THE RECEIVED FAX DATA IS SKEWED We recommend making a copy of the Fig B document in 2 3 4 2 MULTIPLE FEED and using it CROSS REFERENCE 2 3 4 7 MULTIPLE FEED AND SKEW 53 ...

Page 54: ...4 10 RECEIVED OR COPIED DATA IS EXPANDED We recommend making a copy of the Fig B document in 2 3 4 2 MULTIPLE FEED and using it CROSS REFERENCE 4 DISASSEMBLY INSTRUCTIONS 2 3 4 11 A BLANK PAGE IS COPIED 54 ...

Page 55: ...d making a copy of the Fig B document in 2 3 4 2 MULTIPLE FEED and using it CROSS REFERENCE 2 3 4 2 MULTIPLE FEED 2 3 4 12 ABLANK PAGE IS RECEIVED 2 5 TEST FUNCTIONS 4 DISASSEMBLY INSTRUCTIONS 6 4 3 THERMAL HEAD 55 ...

Page 56: ...Fig C 2 3 4 12 ABLANK PAGE IS RECEIVED 56 ...

Page 57: ...CROSS REFERENCE 2 3 4 11 A BLANK PAGE IS COPIED 2 3 7 ANALOG BOARD SECTION 2 5 TEST FUNCTIONS 2 3 4 13 BLACK OR WHITE VERTICAL LINE 57 ...

Page 58: ...y of the Fig B document in 2 3 4 2 MULTIPLE FEED and using it CROSS REFERENCE 1 15 3 2 CLEANING THE THERMAL HEAD AND BLACK BAR 2 3 4 2 MULTIPLE FEED 4 DISASSEMBLY INSTRUCTIONS 2 3 4 14 BLACK OR WHITE LATERAL LINE ON PRINT OUT 58 ...

Page 59: ...Fig B document in 2 3 4 2 MULTIPLE FEED and using it CROSS REFERENCE 2 3 4 2 MULTIPLE FEED 2 3 4 11 A BLANK PAGE IS COPIED 2 3 6 DIGITAL BOARD SECTION 2 5 TEST FUNCTIONS 4 DISASSEMBLY INSTRUCTIONS 2 3 4 15 AN ABNORMAL IMAGE IS PRINTED 59 ...

Page 60: ...g it CROSS REFERENCE 2 3 4 2 MULTIPLE FEED 2 3 7 ANALOG BOARD SECTION 2 5 TEST FUNCTIONS 4 DISASSEMBLY INSTRUCTIONS 2 3 5 COMMUNICATION SECTION Find the problem in the table shown below and refer to the corresponding troubleshooting procedure in 2 3 5 1 DEFECTIVE FACSIMILE SECTION 60 ...

Page 61: ...ter s fax 4 The fax completely fails to transmit or receive The unit can copy documents Troubleshooting Problem with the electric circuit 5 The fax fails either to transmit or receive when making a long distance or an international call The unit can copy documents Detailed description of the possible causes Similar to troubleshooting items No 2 and No 3 Problem with the service line 6 The fax imag...

Page 62: ...CROSS REFERENCE 1 15 3 MAINTENANCE 2 3 4 ADF Auto Document Feed SECTION 2 3 9 OPERATION PANEL SECTION 2 3 5 1 2 SOMETIME THERE IS A TRANSMIT PROBLEM 62 ...

Page 63: ...evel set represents a service code Refer to 2 4 4 SERVICE FUNCTION TABLE 2 3 5 1 3 RECEIVE PROBLEM First confirm whether the recording paper is installed properly or not before starting troubleshooting Refer to Remarks 63 ...

Page 64: ... to the software related problems such as OUT OF PAPER when the fax switches to the memory receiving mode and the memory capacity becomes full of the unprintable data In this case error messages MEMORY FULL and its main cause for example CHECK PAPER are displayed on the LCD Once you solve the main problem MEMORY FULL will be cancelled and the reception problem will be resolved LCD display messages...

Page 65: ...THE UNIT CAN COPY BUT CANNOT EITHER TRANSMIT RECEIVE LONG DISTANCE OR INTERNATIONL COMMUNICATIONS The following two causes can be considered for this symptom Cause 1 The other party is executing automatic dialing the call has been received by this unit and the CED or DIS signal response time is too long In most cases this unit detects the CNG signal and can respond to CED or DIS According to the I...

Page 66: ...2 For a normal call there is also a possibility that the echo of their own voice will make the call difficult to understand For this reason each station station 1 and station 2 attaches echo cancelers S1 and S2 for international lines or long distance lines For the echo canceler the level of the transmission signal from FAX 1 is compared with the level of the reception signal from FAX2 When the tr...

Page 67: ... is because the echo canceler operation stop mode is canceled by an interval of 250 msec or more Reduce receiving sensitivity to reduce the effect of RCV echo signal Service mode code No 598 Cause C This model is FAX1 and the other party is FAX2 For transmission from this model to FAX2 FAX2 executes automatic reception and transmits a CED signal 2100 Hz followed by a DIS signal As the echo cancele...

Page 68: ...e the RCV sensitivity Service mode code No 598 2 3 5 1 6 THE UNIT CAN COPY BUT THE TRANSMISSION AND RECEPTION IMAGE ARE INCORRECT Long distance or international communication operation This symptom highly depends on the transmission and reception capability of the other FAX unit and the line conditions The countermeasures for this unit are shown below Transmission Operation Set the transmitting sp...

Page 69: ...COMMUNICATION ERROR SND RTN and PIN are received 46 COMMUNICATION ERROR RCV No response after FTT is transmitted 48 COMMUNICATION ERROR RCV No post message 49 COMMUNICATION ERROR RCV RTN is transmitted 50 COMMUNICATION ERROR RCV PIN is transmitted to PRI Q 51 COMMUNICATION ERROR RCV PIN is transmitted 52 NO RESPONSE RCV Reception is finished when the T1 TIMER expires 54 ERROR NOT YOUR UNIT RCV DCN...

Page 70: ... transmission was rejected by the user FF COMMUNICATION ERROR SND RCV Modem error For the DCN DCN etc abbreviations refer to 6 6 MODEM SECTION SND TRANSMISSION RCV RECEPTION Most fax communication problems can be resolved by the following steps 1 Change the transmit level Service code 596 refer to 2 4 4 SERVICE FUNCTION TABLE 2 Change the TX speed RX speed Service code 717 718 refer to 2 4 4 SERVI...

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Page 72: ...CROSS REFERENCE 2 5 TEST FUNCTIONS 72 ...

Page 73: ...CROSS REFERENCE 2 5 TEST FUNCTIONS 73 ...

Page 74: ...CROSS REFERENCE 2 5 TEST FUNCTIONS 74 ...

Page 75: ...CROSS REFERENCE 2 5 TEST FUNCTIONS 75 ...

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Page 79: ...orrected by making parameter changes this function makes it possible to change parameters such as the user code and service code from another fax using DTMF tones Therefore travel to the customer s location is not required However it is not possible to change all the parameters remotely 2 3 5 2 2 PROGRAM MODE TABLE The function used to accomplish this is remote programming 79 ...

Page 80: ... 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 programming mode it may be helpful to ask the customer to switch to the speakerphone This frees the customer from the need to remain right next to the fax while you are making parameter settings When finished inform the custome...

Page 81: ...al NG 040 Silent detection 1 ON 2 OFF OFF OK 041 Remote FAX activation code ON OFF OFF ID 9 NG 044 Receive alert 1 ON 2 OFF ON OK 046 Friendly receive 1 ON 2 OFF ON OK 048 LANGAGE 1 ENGLISH 2 FRENCH ENGLISH OK 049 Auto disconnect ON OFF ON NG 070 FAX pager ON OFF OFF NG 076 FAX tone 1 ON 2 OFF ON OK 077 Auto answer mode 1 FAX only 2 TEL FAX FAX only OK 078 TEL FAX ring 1 to 4 rings 1 OK 080 Set de...

Page 82: ...OK 598 Receiving Sensitivity 20 48 41 OK 602 Warning list printing 1 ON 2 OFF ON OK 700 EXT TAM OGM Rec time 01 99sec 10sec OK 701 No voice detect time 01 99 100msec 50 OK 717 Transmit speed select 1 9600 2 7200 3 4800 4 2400 9600bps OK 718 Receive speed select 1 9600 2 7200 3 4800 4 2400 9600bps OK 719 Ringer off in TEL FAX mode 1 ON 2 OFF ON OK 721 Pause tone detect 1 ON 2 OFF ON OK 722 Redial t...

Page 83: ...s 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 ...

Page 84: ...y 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 resolderin...

Page 85: ...he data in order to transmit the instructions from the ASIC to the ICs These signal lines are all controlled by voltages of 5V H or 0V L 2 3 6 1 DIGITAL BLOCK DIAGRAM You also need to check the signal lines listed here List 1 when the unit fails to boot up the system Those signal lines should remain normal Other signal lines are not directly related to that failure even if they have faults or trou...

Page 86: ...urned on each IC can repeatedly output 5V H and 0V L The following shows NG and normal wave patterns NG Wave pattern Refer to NG EXAMPLE Normal Wave Patterns Remarks When you use an oscilloscope to judge whether a signal to be tested is normal or NG perform 86 ...

Page 87: ...the specifications Make sure that your oscilloscope is calibrated before starting a test Therefore it is imperative to confirm whether each IC outputs the signal at the correct level See the I O Pin No Diagram The signal level should be constantly output at between 5V H and 0V L as described earlier Note Simply check the output level and make sure if the IC repeatedly outputs the signal at between...

Page 88: ...CROSS REFERENCE 2 3 6 2 NG EXAMPLE 2 3 6 3 CHECK THE STATUS OF THE DIGITAL BOARD 2 3 8 POWER SUPPLY BOARD SECTION 88 ...

Page 89: ...CROSS REFERENCE 2 3 6 3 CHECK THE STATUS OF THE DIGITAL BOARD Other NG example while the power is ON and the LCD displays the following 2 3 6 2 NG EXAMPLE 89 ...

Page 90: ...2 3 6 3 CHECK THE STATUS OF THE DIGITAL BOARD 90 ...

Page 91: ...microphone and the signal is output to the telephone line The signal mainly flowing on this route is analog You can trace the signal with an oscilloscope The signal flow on each route is shown in the Check Sheet here If you find a specific problem in the unit for example if you cannot communicate with the H S trace that signal route locally with the following Check Sheet and locate the faulty poin...

Page 92: ... 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 2 3 7 1 CHECK SHEET is useful for this investigation 2 No pulse diali...

Page 93: ...3 No ring tone or No bell CROSS REFERENCE 2 3 7 1 CHECK SHEET 93 ...

Page 94: ...6 8 NCU SECTION 4 No tone dialing CROSS REFERENCE 2 3 7 1 CHECK SHEET 2 3 7 3 DETECTIVE TAM INTERFACE SECTION 1 The FAX turns on but does not arrive through TAM 94 ...

Page 95: ...xperience with experimental tests For example power supply and lightning surge voltage test withstanding voltage test intentional short circuit test etc Caution If you find a melted fuse in the unit do not turn on the power until you locate and repair the faulty parts except for the fuse otherwise the fuse will melt again and you cannot pinpoint the faulty point In most cases the symptom is that n...

Page 96: ...2 3 8 2 TOROUBLESHOOTING FLOW CHART 96 ...

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Page 99: ...een 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 R128 R109 D106 and IC101 You should change all of the parts listed as follows F101 Q101 R128 R109 D106 IC101 D201 If D201 is broken the oscillation circuit in the power supply cannot operate Check it with an electric tester 2 3 9 OPERATION...

Page 100: ...the display when you open or close the front cover Also document sensor read position sensor recording paper sensor and jam sensor are turned ON OFF by the copy operation Therefore each sensor can be checked for proper mechanical operation As for the electric check check whether each voltage is right or not with following flowchart turning each sensor lever ON OFF manually 2 3 10 1 CHECK THE DOCUM...

Page 101: ...ER OPEN AND THE FILM END SW SW501 COVER OPEN or CHECK FILM 2 3 10 4 CHECK THE HOOK SWITCH SW101 2 3 10 5 CHECK THE PAPER TOP SENSER PS501 PAPER JAMMED 2 3 11 CIS Contact Image Sensor SECTION Refer to 6 4 4 SCANNING BLOCK 101 ...

Page 102: ...CROSS REFERENCE 2 5 TEST FUNCTIONS 102 ...

Page 103: ...2 3 12 THERMAL HEAD SECTION Refer to 6 4 3 THERMAL HEAD 103 ...

Page 104: ... those listed in the Operating Instructions and are available to the user The special programs are only those listed here and not displayed to the user In both the User and 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 enter...

Page 105: ...2 4 3 USER MODE The list below is an example of the SYSTEM SETUP LIST the unit prints out 105 ...

Page 106: ...Note The above values are the default values 2 4 4 SERVICE FUNCTION TABLE 106 ...

Page 107: ...NS 522 Auto standby select 1 ON 2 OFF 1 2 1 The resolution reverts to the default when transmission is complete 523 Receive equalizer select 1 ON 2 OFF 1 2 2 When the telephone station is from the unit or reception cannot performed correctly adjust accordingly 550 Memory clear To reset the value to the default one except the top margin 853 and left margin 854 START input 551 ROM check See 2 5 TEST...

Page 108: ...n ALL is output at phase A AUTO CNG output only when automatic dialing performed OFF CNG id not output phase A Refer to 2 3 5 1 2 SOMETIME THERE IS A TRANSMIT PROBLEM 593 Time between CED and 300bps 1 75 msec 2 500 msec 3 1 sec 1 3 1 See Symptom Countermeasure for long distance and international calls in 2 3 5 1 5 THE UNIT CAN COPY BUT CANNOT EITHER TRANSMIT RECEIVE LONG DISTANCE OR INTERNATIONL C...

Page 109: ...confirmation detection time 717 Transmit speed selection 1 9600BPS 2 7200BPS 3 4800BPS 4 2400BPS 1 4 1 Adjusts the speed to start training during FAX transmission Refer 2 3 5 1 2 SOMETIME THERE IS TRANSMIT PROBLEM and 2 3 5 1 6 THE UNIT CAN COPY BUT THE TRANSMISSION AND RECEPTION IMAGE ARE INCORRECT 718 Receive speed selection 1 9600BPS 2 7200BPS 3 4800BPS 4 2400BPS 1 4 1 Adjusts the speed to star...

Page 110: ...not work well 815 Sensor Vox check See 2 5 TEST FUNCTIONS 852 Print test pattern See 2 5 TEST FUNCTIONS 853 Top margin 1 9 5 854 Left margin 1 8 5 880 History list See 2 4 6 HISTORY 881 Journal 2 list See 2 4 7 3 PRINTOUT EXAMPLE 882 Journal 3 list See 2 4 7 3 PRINTOUT EXAMPLE 890 TEL FAX 1st ring back tone 1 ON 2 OFF 1 2 1 Selects whether the TEL FAX 1st back tone is ON or OFF in the FAX mode 2 4...

Page 111: ...corresponding to the listed items in 2 4 6 1 DESCRIPTIONS OF THE HISTORY REPORT 2 4 6 1 DESCRIPTIONS OF THE HISTORY REPORT 1 ROM VERSION EPROM version 2 SUM EPROM internal data calculation 3 YOUR LOGO The user logo recorded in the unit If it is not recorded NONE will be displayed 111 ...

Page 112: ...e the TEL mode setting was used 14 FAX MODE The amount of time the FAX mode setting was used 15 TEL FAX MODE The amount of time the TEL FAX mode setting was used 16 ANS FAX MODE The amount of time the ANS FAX mode setting was used 17 FINAL RECEIVE MODE The last set receiving mode by the user 18 TONE PULSE SELECTION The most recently used setting used either TONE or PULSE 19 RECEIVE REDUCTION The c...

Page 113: ...ted If the unit does not have a PC interface NONE will be printed 34 Not Used 35 Not Used 36 FAX MODE Means the unit received a fax message in the FAX mode 37 MAN RCV Means the unit received a fax message by manual operation 38 FRN RCV Means the unit received a fax message by friendly signal detection 39 VOX Means the unit detected silence or no voice 40 RMT DTMF Means the unit detected DTMF Remot...

Page 114: ...rvice technicians Refer to 2 3 5 2 REMOTE PROGRAMMING The JOURNAL report only gives you basic information about a communication but the other two journal reports provide different information on the same item communication HOW TO READ JOURNAL REPORTS Example 1 Look at NO 01 in the JOURNAL If you want to know about the details about that item see NO 01 in the JOURNAL 2 and the JOURNAL 3 You can get...

Page 115: ... The values in parentheses indicate how many 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 FRN RCV Means the unit received a fax message by friendly signal detection 4 VOX Means the unit detected silence or no voice 5 RMT DT...

Page 116: ...her party s unit is set to the TEL mode No response will be printed 2 4 7 2 JOURNAL 3 Refer to JOURNAL 3 in 2 4 7 3 PRINTOUT EXAMPLE Descriptions 6 ENCODE Compression Code MH MR 7 MSLT MSLT means Minimum Scan Line Time Used only at the factory 8 EQM EQM means Eye Quality Monitor Used only at the factory 9 ERROR LINE RX When an error occurs while receiving a fax this shows the number of error lines...

Page 117: ...117 ...

Page 118: ... codes listed below can be used to perform simple checks of some of the unit s functions When complaints are received from customers they provide an effective tool for identifying the locations and causes of malfunctions 118 ...

Page 119: ...CROSS REFERENCE 2 5 1 DTMF SINGLE TONE TRANSMIT SELECTION 2 5 2 BUTTON CODE TABLE 2 5 3 PRINT TEST PATTERN 119 ...

Page 120: ...nput for the various test modes CROSS REFERENCE 6 5 SENSORS AND SWITCHES 2 5 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 2 5 2 BUTTON CODE TABLE 120 ...

Page 121: ...Note These codes 00 01 are only for the data in the History Report 2 5 3 PRINT TEST PATTERN 1 Platen roller Reference pattern 121 ...

Page 122: ...2 Left margin Top margin Reference pattern 122 ...

Page 123: ...3 Thermal head 1 dot Reference pattern 123 ...

Page 124: ...4 Use this test pattern to confirm the torque limiter for Ink film and platen roller timing Reference pattern 124 ...

Page 125: ...g of a document such as multiple feeding or no feeding occurs frequently try to adjust the feeder pressure by following the steps below 1 Open the front cover by pulling up the center part 2 Shift the position of the green lever by using an instrument with a 125 ...

Page 126: ...as a paper clip Left When documents multiple feed Center Standard position pre selected Right When documents do not feed 3 Close the front cover securely 4 DISASSEMBLY INSTRUCTIONS 4 1 HOW TO REMOVE THE BOTTOM FRAME 126 ...

Page 127: ...4 2 HOW TO REMOVE THE OPERATION PANEL BLOCK 127 ...

Page 128: ...4 3 HOW TO REMOVE THE OPERATION BOARD AND LCD 128 ...

Page 129: ...4 4 HOW TO REMOVE THE ANALOG DIGITAL AND POWER BOARDS AND AC INLET 129 ...

Page 130: ...4 5 HOW TO REMOVE THE MOTOR BLOCK 130 ...

Page 131: ...131 ...

Page 132: ...4 6 HOW TO REMOVE THE SEPARATION ROLLER 132 ...

Page 133: ...4 7 HOW TO REMOVE THE IMAGE SENSOR CIS 133 ...

Page 134: ...4 8 HOW TO REMOVE THE TERMAL HEAD 134 ...

Page 135: ...4 9 HOW TO REMOVE THE PLATEN ROLLER BACK COVER 135 ...

Page 136: ...4 10 HOW TO REMOVE THE PICKUP ROLLER 136 ...

Page 137: ...4 11 HOW TO REMOVE THE CASSETTE PLATE 137 ...

Page 138: ...4 12 HOW TO REMOVE THE DOCUMENT TRAY 138 ...

Page 139: ...4 13 INSTALLATION POSITION OF THE LEAD WIRES 139 ...

Page 140: ...r 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 5 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 140 ...

Page 141: ... flux should be replaced daily 5 2 FLAT PACKAGE IC REMOVAL PROCEDURE 1 Put plenty of solder on the IC pins so that the pins can be completely covered Note If the IC pins are not soldered enough you may give pressure to the P C board when cutting the pins with a cutter 2 Make a few cuts into the joint between the IC and its pins first and then cut off the pins thoroughly 141 ...

Page 142: ... like a soldering wire If some solder is left at the joint on the board the new IC will not be attached properly 5 3 FLAT PACKAGE IC INSTALLATION PROCEDURE 1 Temporarily fix the FLAT PACKAGE IC soldering the two marked pins Check the accuracy of the IC setting with the corresponding soldering foil 2 Apply flux to all pins of the FLAT PACKAGE IC 142 ...

Page 143: ...in the direction of the arrow 5 4 BRIDGE MODIFICATION PROCEDURE 1 Lightly resolder the bridged portion 2 Remove the remaining solder along the pins using a soldering iron as shown in the figure below 6 CIRCUIT OPERATIONS 6 1 CONNECTION DIAGRAM 143 ...

Page 144: ... 2 GENERAL BLOCK DIAGRAM The following is an outline of each device IC on the digital board Refer to 6 2 1 GENERAL BLOCK DIAGRAM 1 ASIC IC501 Composed mainly of an address decoder and a modem control 144 ...

Page 145: ...working in the storage area 5 MODEM IC505 Performs the modulation and the demodulation for FAX communication 6 Read Section CIS image sensor to read transmitted documents 7 Motor Driver IC508 Drives the transmission motor and the reception motor 8 Thermal Head Contains heat emitting elements for dot matrix image printing 9 Analog Board Composed of ITS circuit and NCU circuit 10 Sensor Section Comp...

Page 146: ...6 7 1 ANALOG UNIT BLOCK DIAGRAM 6 3 CONTROL SECTION 6 3 1 BLOCK DIAGRAM 6 3 2 MEMORY MAP 146 ...

Page 147: ...6 3 3 ASIC IC501 This custom IC is used for the general FAX operations 147 ...

Page 148: ... CIS I F Controls the document reading 6 IMAGE DATA RAM This memory is programmed into the ASIC and uses 8 KB for the image processing See Fig A 7 THERMAL HEAD I F Transmits the recorded data to the thermal head 8 MOTOR I F Controls the transmission motor which feeds the document Controls the receiving motor which feeds the recording paper 9 OPERATION PANEL I F Serial interface with Operation Pane...

Page 149: ...149 ...

Page 150: ...AM serves as CPU and receives memory The address is F200H F3FFH DRAM access window 1 and F600H F7FFH DRAM access window 2 Descriptions of Pin Distribution IC501 NO SIGNAL I O POWER SUPPLIED VOLTAGE DESCRIPTION 1 AIN1 A 3 3V CCD IMAGE SIGNAL INPUT 2 AIN2 A 3 3V THERMISTOR TEMPERATURE WATCH INPUT 3 AIN3 A 3 3V 4 AMON A 3 3V ANALOG SIGNAL MONITOR TERMINAL 5 VSSB GND POWER SOURCE ANALOG GND 6 VDDB 3 3...

Page 151: ... A 5V VOLUME OUTPUT 34 VOLUIN A 5V VOLUME INPUT 35 MILAT IOP I 5V INPUT PORT HOOK 36 XNMI I 5V HIGH FIXED 37 FMEMDO IOP O 5V OUTPUT PORT CISLED 38 FMEMDI IOP O 5V OUTPUT PORT LINERLY 39 FMEMCLK IOP I 5V INPUT PORT BELL 40 VSS GND POWER SOURCE GND 41 VDD 5V 5V POWER SOURCE 5V 42 20KOSC IOP I 5V INPUT PORT EXTHOOK 43 XWAIT I 5V INPUT PORT FILM 44 HSTRD IOP I 5V INPUT PORT PTOP 45 HSTWR IOP O 5V OUTP...

Page 152: ...58 TEST3 I 5V HIGH FIXED 152 ...

Page 153: ...WER SOURCE 3 3V 77 DB7 I O 5V CPU DATA BUS 7 78 XROMCS I O 5V ROM IC502 CHIP SELECT 79 RD O 5V CPU RD 80 WR O 5V CPU WR 81 VSS GND POWER SOURCE GND 82 VDD 5V 5V POWER SOURCE 5V 83 ADR0 O 5V CPU ADDRESS BUS 0 84 ADR1 O 5V CPU ADDRESS BUS 1 85 ADR2 O 5V CPU ADDRESS BUS 2 86 ADR3 O 5V CPU ADDRESS BUS 3 87 ADR4 O 5V CPU ADDRESS BUS 4 88 ADR5 O 5V CPU ADDRESS BUS 5 89 ADR6 O 5V CPU ADDRESS BUS 6 90 ADR...

Page 154: ...102 RBA4 O 5V ROM RAM BANK ADDRESS 4 154 ...

Page 155: ...I 5V INPUT PORT TEST 120 RM0 IOP O 5V OUTPUT PORT A 121 RM1 IOP I 5V INPUT PORT JOG1 122 RM2 IOP I 5V INPUT PORT JOG2 123 RM3 IOP O 5V OUTPUT PORT B 124 RXE IOP I 5V INPUT PORT NOT USED PULL DOWN 125 TMO O 5V MOTOR A PHASE 126 VDD 5V 5V POWER SOURCE 5V 127 VSS GND POWER SOURCE GND 128 TM1 IOP O 5V MOTOR B PHASE 129 TM2 IOP O 5V MOTOR A PHASE 130 TM3 IOP O 5V MOTOR B PHASE 131 TXE IOP O 5V MOTOR EN...

Page 156: ... from pin 109 of the ASIC IC501 resets the ASIC 1 During a momentary power interruption a positive reset pulse of 46 51 msec is generated and the system is reset completely 2 When pin 108 and 109 of IC501 become low level they will prohibit the SRAM IC504 from changing data The SRAM IC504 will go into the backup mode when they are backed up by a lithium battery 3 The watch dog timer built in the A...

Page 157: ...01 R541 and D504 The voltage at pin 28 of the SRAM is about 2 5V When the power switch is OFF and the voltage of 5V decreases the voltage detect IC IC507 outputs Low level and the IC501 outputs the reset signal Pin 28 of the SRAM becomes roughly the same voltage as the battery voltage At this point pin 20 CS of IC504 becomes high level causing the SRAM to go into the backup mode in which the power...

Page 158: ...rs point A In point C according to the voltage output time the thermal head s temperature is detected After the thermal head temperature is converted to voltage in B it is then changed to digital data in the A D converter inside IC501 The CPU decides the strobe width of the thermal head according to this value Therefore this circuit can keep the thermal head at an even temperature in order to stab...

Page 159: ...S to be used as the reference white level via route1 and is input to IC501 Refer to 6 4 2 BLOCK DIAGRAM 2 In IC501 the data is adjusted to a suitable level for A D conversion in the Analog Signal Processing Section and via route2 it is input to A D conversion 8 bit After finishing A D conversion the data is input to the Image Processing Section via route3 Then via 159 ...

Page 160: ... The white black data converted to serial data in the P S converter is input to the Thermal Head via route9 and is printed out on recording paper Note Standard Reads 3 58 times mm Fine Reads 7 7 times mm Super Fine Reads 15 4 times mm Transmission 1 Same processing as Copy items 1 3 2 The data stored in the RAM of IC501 is output from IC501 via routes6 and 10 and is stored in the system bus Via ro...

Page 161: ...ing as Copy item 4 6 4 2 BLOCK DIAGRAM 6 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 layer is melted and transferred to the paper If this continues letters and or...

Page 162: ... and upon the shift of the 1728 dot increment the shift register becomes filled with data and a latch pulse is emitted to each IC from IC501 pin 118 THLAT With this latch pulse all the contents of the shift registers are latched to the latch registers Thereafter through the addition of strobes from the IC501 pins 105 106 only the dot location of black 1 among latched data activates the driver and ...

Page 163: ...is not used the IC501 23 THON becomes low Q501 turns OFF IC506 turns OFF and the 24V power supply for the thermal head driver is not impressed to protect the IC 6 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 163 ...

Page 164: ... 8 bit data by the A D converter inside IC501 Then this signal undergoes digital processing in order to obtain a high quality image 6 4 5 STEPPING MOTOR DRIVE CIRCUIT 1 Function The stepping motor works for both transmission and reception 2 Motor During motor driving pin 131 of ASIC IC501 becomes a high level and Q503 Q502 turns ON As a result 24V is supplied to the motor coil Stepping pulses are ...

Page 165: ...ping Motor Drive Mode Function Mode Phase Pattern Speed Copy Standard or Fine 1 2 432 pps t 1 432 Super Fine 1 2 216 pps t 1 216 Paper Feed 1 2 432 pps t 1 432 Stand by All phases are currently off None 165 ...

Page 166: ...section sensors and rollers mechanically work during the main operations FAX transmission FAX reception and Copy 6 4 6 1 MODE SELECTION See Fig 1 When a motor with Drive Motor Gear attached rotates counterclockwise CCW Swing Gear C engages CAM Gear to rotate counterclockwise CCW This operation provide four mode options A Transmit mode B Paper Pickup mode C Receive mode and D Copy mode selected by ...

Page 167: ...gears convey their drive power in each mode A Transmit mode See Fig A Swing Gear A engages Gear E and conveys its power to the Separation Roller Gear through Gear G and sets the Separation Roller for feeding documents Fig A Transmit mode B Paper Pickup mode See Fig B Swing Gear C engages Gear H and provides its power to the Pick up Roller Gear and Platen Idler 167 ...

Page 168: ... recording paper pushes up the Paper Top sensor lever Fig B Paper Pickup mode Note See Sensor Location in 6 5 SENSORS AND SWITCHES C Receive mode See Fig C After paper pick up mode Swing Gear B engages Gear C and conveys its power to the Platen Roller Gear and Ink Ribbon Drive Gear through Platen Drive Gear Then the Platen Roller feeds recording paper for printing the received data Fig C Receive m...

Page 169: ... respectively and conveys these power to the Separation Roller Gear and the Platen Roller Gear Then the Separation Roller feeds documents and the Platen Roller feeds recording paper for printing copier data Fig D Copy mode 6 4 6 3 MECHANICAL MOVEMENTS IN THE MAIN OPERATIONS transmitting documents receiving faxes and copying 6 4 6 3 1 IDLE STATUS 169 ...

Page 170: ...Note See Sensor Locations in 6 5 SENSORS AND SWITCHES 6 4 6 3 2 TRANSMITTING DOCUMENTS 170 ...

Page 171: ...CROSS REFERENCE 2 3 10 SENSOR SECTION 6 4 6 3 3 RECEIVING FAX 171 ...

Page 172: ...Note See Sensor Locations in 6 5 SENSORS AND SWITCHES 6 4 6 3 4 COPYING 172 ...

Page 173: ...Note See Sensor Locations in 6 5 SENSORS AND SWITCHES CROSS REFERENCE 2 3 10 SENSOR SECTION 6 5 SENSORS AND SWITCHES All of the sensor and switches are shown below 173 ...

Page 174: ...ument set SW CHECK DOCUMENT SW353 Document top SW REMOVE DOCUMENT Digital PCB SW501 Film End Cover open CHECK COVER or CHECK FILM PS501 Paper Top PAPER JAMMED Analog P C B SW102 Motor Position SW101 Hook Note See 2 5 TEST FUNCTIONS 815 Sensor Check Sensor Locations 1 Document top SW SW353 174 ...

Page 175: ...o transistor Signal IC301 16 pin Out of the Read Position OFF High level At the Read Position ON Low level 2 Document Set SW352 When a document is set the SW becomes ON and the input signal of IC301 15 pin Operation becomes a low level When there is no document the SW becomes ON and the input signal of IC301 15 pin Operation becomes a high level Operation Board Photo transistor Signal IC301 15 pin...

Page 176: ...s a high level Digital Board Photo transistor Signal IC501 43 pin Cover open or no film OFF High level Cover closed and set a film ON Low level 4 Hook Switch SW101 When the handset is lifted the switch turns ON and the signal at pin 35 of IC501 becomes low When the handset is returned the switch turns OFF and the signal at pin 35 of IC501 becomes high Digital Board SW Signal IC501 35 pin ON Hook O...

Page 177: ...the shelter plate is lifted the photo transistor becomes ON and the input signal of IC501 44 pin becomes a low level Photo transistor Signal IC501 44 pin Set recording paper OFF High level No recording paper ON Low level 6 Motor Position Sensor SW102 This sensor is a detection switch for recording the position of the CAM Signal IC501 21 pin Home position Low level Other High level 6 6 MODEM SECTIO...

Page 178: ... Recommendation 1 ON CCITT International Telegraph and Telephone Consultative Committee The No XIV Group of ITU T one of the four permanent organizations of the International Telecommunications Union ITU investigates and make recommendations on international standards for facsimiles 2 Definition of Each Group Group I G1 Official A 4 size documents without using formats which reduce the band width ...

Page 179: ... a pre processing procedure and sequence for confirming the status of the terminal transmission route etc and for terminal control It implements terminal preparation status determines and displays terminal constants confirms synchronization status etc and prepares for transmission of facsimile messages Phase C Message transmission Phase C is the procedure for the transmitting facsimile messages Ph...

Page 180: ...rm that the document 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...

Page 181: ...s in G3 communication is shown below 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 C...

Page 182: ...0 1 0 1 1 0 0 1 1 1 0 1 0 0 1 1 0 1 1 1 1 0 1 1 1 1 1 1 Data signaling rate V 27 ter fall back mode V 27 ter V 29 V 27 ter and V 29 Not used Reserved Not used V 27 ter and V 29 and V 33 Not used Reserved Not used V 27 ter and V 29 and V 33 and V 17 Not used Reserved Not used Reserved Data signaling rate 2400 bit s V 27 ter 4800 bit s V 27 ter 9600 bit s V 29 7200 bit s V 29 14400 bit s V 33 12000 ...

Page 183: ... mm and B4 364 mm Invalid Maximum recording length A4 297 mm Unlimited B4 364 mm Invalid 21 22 23 0 0 0 0 0 1 0 1 0 1 0 0 0 1 1 1 1 0 1 0 1 1 1 1 Minimum scan line time capability of the receiver 20 ms at 3 85 l mm T7 7 T3 85 40 ms at 3 85 l mm T7 7 T3 85 10 ms at 3 85 l mm T7 7 T3 85 5 ms at 3 85 l mm T7 7 T3 85 10 ms at 3 85 l mm T7 7 1 2 T3 85 20 ms at 3 85 l mm T7 7 1 2 T3 85 40 ms at 3 85 l m...

Page 184: ...rved for future recording width capability 40 Extend field Extend field 41 R8 15 4 lines mm R8 15 4 lines mm 42 300 300 pels 25 4 mm 300 300 pels 25 4 mm 43 R16 15 4 lines mm and or 400 400 pels 25 4 mm R16 15 4 lines mm and or 400 400 25 4 mm 44 Inch based resolution preferred Resolution type selection 0 neuritic based resolution 1 inch based resolution 45 Metric based resolution preferred Don t ...

Page 185: ... training 1 Image Signal Refer to the next page RTC Return to Control Sends 12 bits 0 01 6 times to the receiver the same speed as the image signal and notifies completion of transmission of the first sheet EOP End of Procedure X1110100 End of one communication MCF Message Confirmation X0110001 End of 1 page reception DCN Disconnect X1011111 Phase E starts MPS Multi Page Signal X1110010 Completion...

Page 186: ...the time of G3 reception it can automatically establish the optimum equalizer The modem IC505 clock is supplied by pin 55 of ASIC IC501 1 Facsimile Transmission DTMF Line Send The digital image data on the data bus is modulated in the modem IC505 and sent from pin 44 via amplifier IC501 2 1 Analog SW IC509 1 2 amplifier IC511 2 1 and the NCU section to the telephone line Refer to 2 3 7 1 CHECK SHE...

Page 187: ...DESCRIPTION OF BLOCK DIAGRAM IN ANALOG SECTION 1 Function The analog section serves as an interface between the telephone line The digital board IC505 for transmission and reception of FAX signals switches between the digital board IC505 and other sections by means of a multiplexer in the NCU section The control signals to the individual analog sections are output mainly from ASIC IC501 and the st...

Page 188: ...tches to the external telephone side break and switches to the open side make while OFF HOOK IC501 38 High Level CN501 5 High Level CN101 5 High Level Q103 ON RL101 make 6 8 3 BELL DETECTION CIRCUIT 1 Circuit Operation The signal waveform for each point is indicated below The signal low level section input to pin 39 of ASIC IC501 on the digital board is read by ASIC and judged as a bell TEL LINE P...

Page 189: ...signal output from IC101 pin 1 passes through C117 R113 C113 C112 and R112 and goes into the amplifier IC101 pin 3 This circuit is used to cancel the transmission return signal 6 9 ITS Integrated Telephone System AND MONITOR SECTION 6 9 1 GENERAL During the monitor operation the speaker output passes through the power amplifier IC102 Analog board The DTMF signal is output from the modem IC505 digi...

Page 190: ...rm Beep Key tone Bell 3 Dummy ring back tone 2 Signal path A DTMF MONITOR Speaker Operation Refer to 2 3 7 1 CHECK SHEET Handset Operation Refer to 2 3 7 1 CHECK SHEET B ALARM BEEP KEY TONE BELL Refer to 2 3 7 1 CHECK SHEET C DUMMY RING BACK TONE Refer to 2 3 7 1 CHECK SHEET 6 10 TAM INTERFACE SECTION 6 10 1 FUNCTION If EXT TAM is selected in the Receive mode the unit receives documents for FAX ca...

Page 191: ...o FAX receiving and disconnect the external TAM automatically If the unit cannot detect the CNG signal or no sound for about 30 seconds the unit will disconnect the line C Attention 1 No sound detection lasts 20 seconds after the telephone call is received at the answering machine If there is no sound for more than 5 seconds 701 in the service mode it switches to the facsimile Attention 2 When the...

Page 192: ... unit switches to FAX receiving Signal Path Detects the DTMF signal in the MODEM 6 11 OPERATION BOARD SECTION The unit consists of a LCD Liquid crystal display KEYs and LEDs light emitting diodes They are controlled by the Gate Array IC301 and ASIC IC501 on the DIGITAL BOARD Fig a The key matrix table is shown below Key Matrix 6 12 LCD SECTION The Gate Array IC301 works only for writing the ASCII ...

Page 193: ...er 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 D102 D103 and D104 and charges C106 to make DC voltage Then it supplies power to the converter circuit Kick on voltage circuit Bias is applied to the Q101 gate via this circuit when the AC power is turned on and Q101 beg...

Page 194: ...follows L D1 Load L Then the power is supplied to the Load When Q1 is ON power is not output from the secondary side The output voltage is fed back in the control IC according to the error amp rectifier Then depending on how TON is controlled stabilization occurs Also when the current load becomes too large in order to decrease the voltage output the increase in is controlled and the output voltag...

Page 195: ...4V circuit increases the current of the photo coupler PC101 increases the pulse width of the output control IC becomes narrower and the ON period of Q101 becomes shorter Over Current Limiter O C L The highest drain current Q101 is limited by a limiter circuit IC101 of 24V The 24V output is limited by this circuit Over Voltage Circuit If the 24V output increases because the error detecting circuit ...

Page 196: ...AND DIODES 8 FIXTURES AND TOOLS 196 ...

Page 197: ...9 CABINET MECHANICAL AND ELECTRICAL PARTS LOCATION 9 1 OPERATION PANEL SECTION 197 ...

Page 198: ...9 2 UPPER CABINET SECTION 198 ...

Page 199: ...9 2 1 BACK COVER SECTION 9 2 1 1 BACK COVER 1 199 ...

Page 200: ...9 2 1 2 BACK COVER 2 200 ...

Page 201: ...9 3 LOWER P C B SECTION 201 ...

Page 202: ...CROSS REFERENCE 9 1 OPERATION PANEL SECTION 9 4 MOTOR SECTION 202 ...

Page 203: ...9 5 ACTUAL SIZE OF SCREWS AND WASHER 10 ACCESSORIES AND PACKING MATERIALS 203 ...

Page 204: ...11 REPLACEMENT PARTS LIST 204 ...

Page 205: ...ntion After the end of this period the assembly will no longer be available 2 Important safety notice Components identified by mark have special characteristics important for safety When replacing any of these components use only manufacture s specified parts 3 The S mark indicates service standard parts and may differ from production parts 4 RESISTORS CAPACITORS Unless otherwise specified All res...

Page 206: ...ECTION 30 PFHX1350Z SPACER THERMAL HEAD 31 PFJS11Q69Z CONNECTOR 11P 32 PFHR1189Z GUIDE THERMAL HEAD LEFT 33 PFJHS019Z PRINTER UNIT THERMAL HEAD 34 PFHR1190Z GUIDE THERMAL HEAD RIGHT 35 PFHR1192Y COVER THERMAL HEAD 36 PFHX1342X INSULATOR STATIC ELEC RIGHT 37 PFQT1666Z LABEL BLUE GEAR 38 PFHX1343Z INSULATOR STATIC ELEC 39 PFUS1235Z SPRING THERMAL HEAD 40 PFUS1254Z SPRING POP UP 41 PFUS1236Z SPRING O...

Page 207: ... LEVER LOCK 82 PFUS1258Z SPRING LOCK LEVER 83 PFHS1029Z COVER BACK TENSION SHEET 84 PFDG1160Z GEAR BACK TENSION 85 PFUS1232Z SPRING BACK TENSION 86 PFDG1164Z GEAR PICKUP IDLER 87 PFDG1166Z GEAR PLATEN IDLER 88 PFDN1041Z ROLLER EXIT 89 PFUS1237Z SPRING PAPER TOP 90 PFDG1162Z GEAR EXIT ROLLER 91 PFDE1128Y LEVER PAPER TOP SENSOR 92 PFDJ1029Z SPACER PLATEN LEFT 93 PFDN1043Z ROLLER PLATEN 94 PFHX1370Z ...

Page 208: ...022Z GEAR TORQUE LIMITER ASS Y 134 PFUS1230Z SPRING CAM 135 PFHR1184Z ARM J 136 PFUS1231Y SPRING GEAR I 137 PFDG1159Z GEAR I 138 PFDG1149Z GEAR A 139 PFDG1152Z GEAR CAM 140 PFDG1158Z GEAR H 141 PFDG1151Z GEAR C 142 PFDG1153Z GEAR D1 143 PFDG1157Z GEAR G 144 PFDG1156Z GEAR F 145 PFHR1183Z ARM I 146 PFJQ35S1S15D DC MOTOR S 147 PFDG1154Z GEAR D2 148 PFDG1150Z GEAR B 149 PFMD1043Z FRAME GEAR BASE COVE...

Page 209: ...ROM IC503 PFVIMS5148EF IC S IC504 PFVIM0525LFF IC S IC505 PQVIR96DFXL IC IC507 PFVIXCN4202N IC S IC508 PFVIT2003APS IC S IC509 PFVIMC4066BT IC S IC510 PFVINJM2904M IC S IC511 PQVINJM4558M IC S TRANSISTORS IC506 PFVTSI4431DY TRANSISTOR SI Q501 PQVTDTC114EU TRANSISTOR SI S Q502 2SB1322 TRANSISTOR SI S Q503 PQVTDTC114EU TRANSISTOR SI S Q504 2SB709A TRANSISTOR SI Q505 2SC4155S TRANSISTOR SI S Q507 PQV...

Page 210: ...PARTS RA504 EXB38V271JV COMPONENTS PARTS RA505 EXB38V271JV COMPONENTS PARTS CONNECTORS CN501 PQJP15A19Z CONNECTOR 15P CN502 PQJP5G30Z CONNECTOR 5P S CN503 PQJP10G30Y CONNECTOR 10P S CN504 PQJP11G30Y CONNECTOR 11P S CN505 PQJP11G100Z CONNECTOR 11P CN506 PQJP7G30Z CONNECTOR 7P SWITCH SW501 PFSH1A001Z SWITCH FILM COVER DETECTION CRYSTAL OSCILLATIONS X501 PFVCCFS32Z CRYSTAL OSCILLATOR X502 PFVCCSA24Z ...

Page 211: ... R525 ERJ3GEYJ563 56k R527 ERJ3GEYJ331 330 R528 ERJ3GEYJ472 4 7k R529 ERJ3GEYJ103 10k R530 ERJ3GEYJ101 100 R532 ERJ3GEYJ103 10k R533 ERJ3GEYJ203 20k R534 ERJ3GEYJ472 4 7k R535 ERJ3GEYJ103 10k R538 ERJ3GEYJ101 100 R539 ERJ3GEYJ101 100 R540 ERJ3GEYJ101 100 R541 ERJ3GEYJ222 2 2k R542 ERJ3GEYJ101 100 R543 ERJ3GEYJ471 470 R544 ERJ3EKF1101 1 1k R545 ERJ3EKF4701 4 7k R546 ERJ3GEY0R00 0 R548 ERJ3GEYJ103 1...

Page 212: ...R581 ERJ3GEYJ103 10k R582 ERJ3GEYJ682 6 8k R583 ERJ3GEYJ153 15k R584 ERJ3GEYJ562 5 6k R585 ERJ3GEYJ114 110k R586 ERJ3GEYJ392 3 9k R587 ERJ3GEYJ123 12k R588 ERJ3GEYJ224 220k R589 ERJ3GEYJ224 220k R590 ERJ3GEYJ224 220k R591 ERJ3GEYJ105 1M R592 ERJ3GEYJ683 68k R593 ERJ3GEYJ473 47k R594 ERJ3GEYJ222 2 2k R595 ERJ3GEYJ105 1M R596 ERJ3GEYJ222 2 2k R597 ERJ3GEYJ222 2 2k R598 ERJ3GEYJ472 4 7k R599 ERJ3GEYJ...

Page 213: ...1 S C530 ECUV1H104ZFV 0 1 S C531 ECUV1H104ZFV 0 1 S C533 ECUV1H104ZFV 0 1 S C534 ECUV1H104ZFV 0 1 S C535 ECUV1H104ZFV 0 1 S C536 ECUV1H104ZFV 0 1 S C537 ECUV1H104ZFV 0 1 S C538 ECUV1H104ZFV 0 1 S C540 ECUV1H100DCV 10P S C541 ECUV1H120JCV 12P C542 ECUV1H104ZFV 0 1 S C543 ECUV1H104ZFV 0 1 S C544 ECUV1H104ZFV 0 1 S C545 ECUV1H104ZFV 0 1 S C547 ECUV1H104ZFV 0 1 S C548 ECEA1CK101 100 S C549 ECUV1C104KB...

Page 214: ...V 0 1 C574 ECEA0JK221 220 S C575 ECUV1C104KBV 0 1 C576 ECUV1C104KBV 0 1 C577 ECUV1C123KBV 0 012 C578 ECUV1H104ZFV 0 1 S C579 ECUV1C104KBV 0 1 C580 ECUV1H101JCV 100P C581 ECUV1C104KBV 0 1 C582 ECUV1H104ZFV 0 1 S C583 ECUV1H331JCV 330P S C584 ECUV1H681KBV 680P C585 ECUV1H104ZFV 0 1 S C586 ECUV1C104KBV 0 1 C588 ECEA1HKS100 10 S C589 ECUV1H104ZFV 0 1 S C591 ECUV1H104ZFV 0 1 S C592 ECUV1H104ZFV 0 1 S 1...

Page 215: ...02 MA4056 DIODE SI S D103 1SS119 DIODE SI S D104 1SS119 DIODE SI S D105 1SS119 DIODE SI S COILS L101 PFVF2B182SDT COIL L102 PFVF2B182SDT COIL L104 PFVF2B182SDT COIL L105 PFVF2B182SDT COIL L106 PQLQR2KA113T COIL S L107 PQLQR2KA113T COIL S L108 PQLQR2KA113T COIL S L109 PQLQR2KA113T COIL S CONNECTORS CN101 PQJS15A10Z CONNECTOR 15P CN105 PQJP02G100Z CONNECTOR 2P JACKS CN102 PFJJ1T01Z JACK S CN103 PFJJ...

Page 216: ...Y TRANSFORMER T101 PFLT8E010 TRANSFORMER RESISTORS R101 ERG2SJ151 150 R102 ERDS2TJ271 270 R103 ERDS1TJ473 47k S R104 ERDS1VJ103 10k R110 ERDS2TJ331 330 R111 ERJ3GEYJ104 100k R112 ERJ3GEYJ124 120k R113 ERJ3GEYJ303 30k R115 ERJ3GEY0R00 0 R116 ERJ3GEYJ104 100k R118 ERJ3GEYJ224 220k R119 ERJ3GEYJ224 220k R120 ERJ3GEYJ222 2 2k R121 ERJ3GEYJ331 330 R122 ERJ3GEYJ152 1 5k R123 ERJ3GEYJ152 1 5k R124 ERJ3GE...

Page 217: ...EYJ472 4 7k R146 ERJ3GEYJ101 100 R150 ERJ3GEYJ123 12k R151 ERJ3GEYJ682 6 8k R157 ERJ3GEYJ103 10k R158 ERJ3GEYJ103 10k CAPACITORS C101 ECQE2E105KZ 1 S C102 PQCUV1H333JC 0 033 S C110 ECUV1H103KBV 0 01 C111 ECUV1C104KBV 0 1 C112 ECUV1H123KBV 0 012 C113 ECUV1H103KBV 0 01 C114 ECUV1H561JCV 560P S C115 ECUV1H820JCV 82P C117 ECEA1HKS100 10 S C118 ECEA1CKS470 47 S C119 ECUV1H103KBV 0 01 C120 ECUV1H103KBV ...

Page 218: ...ARTS Ref No Part No Part Name Description Remarks PCB3 PFWP4FP81C OPERATION BOARD ASS Y RTL Refer to 9 1 OPERATION PANEL SECTION IC IC301 MN7D032Z9J IC CONNECTOR CN301 PQJP11G43Z CONNECTOR 11P SWITCHES SW352 PFSH1A002Z SWITCH DOCUMENT TOP SW353 PFSH1A002Z SWITCH DOCUMENT TOP LIQUID CRYSTAL DISPLAY CN302 PFAVM190B LIQUID CRYSTAL DISPLAY RESISTORS R301 ERJ3GEYJ471 470 R302 ERJ3GEYJ471 470 R303 ERJ3G...

Page 219: ...308 ECUV1H331JCV 330P C309 ECUV1H331JCV 330P C316 ECUV1H103KBV 0 01 C317 ECUV1H103KBV 0 01 SWITCHES SW302 PQSH1A105Z SWITCH SW303 PQSH1A105Z SWITCH SW304 PQSH1A105Z SWITCH SW305 PQSH1A105Z SWITCH SW306 PQSH1A105Z SWITCH SW307 PQSH1A105Z SWITCH SW308 PQSH1A105Z SWITCH SW309 PQSH1A105Z SWITCH SW310 PQSH1A105Z SWITCH SW311 PQSH1A105Z SWITCH SW312 PQSH1A105Z SWITCH SW313 PQSH1A105Z SWITCH SW314 PQSH1A...

Page 220: ...5 POWER SUPPLY BOARD PARTS Ref No Part No Part Name Description Remarks PCB4 PFLP1282MZL POWER SUPPLY BOARD ASS Y RTL ICS IC101 PFVIFA5317P IC IC201 AN1431T IC IC202 PFVITA7805F IC S TRANSISTORS Q101 2SK2640 TRANSISTOR SI DIODES D101 PFVD1N4005 DIODE SI S D102 PFVD1N4005 DIODE SI S D103 PFVD1N4005 DIODE SI S D104 PFVD1N4005 DIODE SI S D105 PFVDAG01A DIODE SI D106 MA165 DIODE SI D107 MA4220 DIODE S...

Page 221: ... TRANSFORMER T101 PFLTSRW2820E TRANSFORMER S VARIABLE RESISTOR VR201 EVNDJAA03B53 VARIABLE RESISTOR VARISTOR ZNR101 ERZV10DK471U VARISTOR RESISTORS R101 ERDS2TJ105 1M R102 ERDS2TJ334 330k R103 ERDS2TJ334 330k R104 ERG1SJ104 100k R105 ERX2SJR22 0 22 R106 ERG2SJ470 47 R108 ERDS2FJ150 15 R109 ERDS2TJ220 22 R121 PQ4R10XJ103 10k S R122 ERJ6GEYJ621 620 R124 PQ4R10XJ181 180 S R125 PQ4R10XJ103 10k S R126 ...

Page 222: ... 3 3k S CAPACITORS C101 ECQU2A104MV 0 1 C102 ECQU2A473MG 0 047 C103 PFKDE2GA102K 0 001 S C105 PFKDE2GA222M 0 0022 C106 PFEU200SX180 180 S C108 ECKD3A102KBP 0 001 C109 ECA1VHG470 47 C119 ECKD3A221KBP 220P C121 ECUV1H472KBN 0 0047 C122 ECUV1C224KBX 0 22 C123 ECUV1H561KBM 560P C124 ECUV1H104KBW 0 1 S C201 PFCEA35F471 470 S C202 ECKD3A102KBP 0 001 C203 PFCEA16A470 470 S C204 PFCEA35A47M 47 S C205 PFCE...

Page 223: ...ning service technicians Note Tools and Extension Cords are useful for servicing They make servicing easy 12 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 3 13 PRINTED CIRCUIT BOARD 13 1 DIGITAL BOARD BOTTOM VIEW 13 2 DIG...

Page 224: ...13 6 POWER SUPPLY BOARD 14 SCHEMATIC DIAGRAM 14 1 DIGITAL BOARD 14 2 ANALOG BOARD 14 3 OPERATION BOARD 14 4 POWER SUPPLY BOARD TN Q KXFP80C 224 ...

Page 225: ...21 C131 C132 C155 C154 C153 C152 C141 C112 C135 C116 C113 R115 C114 C115 C111 C134 C120 C119 R123 L109 L106 C136 R120 R139 R119 Q101 R117 R126 R124 R125 R128 R122 R121 R143 R144 R127 C124 C122 C123 C125 C140 L108 L107 C110 R111 R116 R112 R114 R113 R140 R138 R145 R146 R142 R141 L101 L104 C102 C104 L105 C103 CN101 1 15 5V AG 24V BOTTOM VIEW ...

Page 226: ...JJ108 J108 J107 J110 J112 J114 J113 J111 JJ101 JJ102 CN102 CN103 SA101 POS101 JJ106 JJ105 JJ103 LF101 R102 PC101 PC102 SW102 CHECKER JJ104 J101 L103 J118 J123 CN101 1 15 J119 J120 J122 J124 J103 J102 R110 AUTO CH PCB CH PFUP1187Z SA102 CN104 R103 RL101 D106 D105 D102 D101 C101 R104 T101 R101 R155 JJ107 COMPONENT VIEW ...

Page 227: ...4 J326 J327 SW351 J320 PCB CH MIC CH J325 R386 R378 R377 J322 J321 J323 J304 J333 C365 C361 C363 C364 J301 J306 J305 J308 J313 J312 J311 J310 J309 J319 C303 J335 JJ331 J336 J307 LED301 R375 R380 R381 R382 R383 R376 C362 C367 J329 C368 C358 C359 CN301 CN303 1 11 C360 C352 J303 J302 JJ332 J330 3 1 C369 PFUP1188YA IC302 R357 C354 R354 C356 R352 C353 R351 R364 C304 C301 R353 R315 C316 R316 R301 R302 C...

Page 228: ... OF FIRE REPLACE ONLY WITH SAME TYPE AND RATINGS SECONDARY PRIMARY OF FUSE F101 C206 C204 D202 CN31 L N R101 F101 D104 D103 D102 D101 J1 C102 R137 IC101 R127 C124 R126 R124 C121 D107 J3 R122 R105 R128 D106 R109 C108 R104 D105 L103 C119 R106 T101 R224 C202 D201 R203 C201 IC202 R205 CN301 24 7 1 C203 R202 R108 J4 R103 C105 C103 J3 R102 C106 C101 ZNR101 R136 C123 R125 Q101 C109 D108 PC101 R221 C206 C...

Page 229: ... D6 10 D5 11 D4 12 D3 13 D2 14 D1 15 D0 16 0VD2 17 0VA 18 RAMPIN 19 NC 20 NC 21 0VA 22 5VD2 23 0VD2 24 SWGAINI 25 ECLKIN1 26 SYNCIN1 27 NC 28 NC 29 NC 30 0VA 31 NC 32 NC 33 NC 34 DAIN 35 ADOUT 36 BYPASS 37 RCV1 38 TXLOSS3 39 TXLOSS2 40 TXLOSS1 41 NC 42 NC 43 0VA 44 TXOUT 45 RXIN 46 5VA 47 0VA 48 AGD 49 AOUT 50 0VD2 51NC 52 IRQ 53 WRITE 54 CS 55READ 56 RS4 57 RS3 58 RS2 59 RS1 60 RS0 61 GP13 62 NC ...

Page 230: ... 100K R112 120K C112 K0 012 24V D105 2 0V 2 IC101 1 2 3 4 8 1 IC101 5 6 7 5VA R103 47K 1 2W C113 K0 01 R113 30K R120 2 2K R128 2 2K SW101 HOOK SW 3 1 2 4 SW102 MOTOR POSTION SW 3 2 4 1 L103 0 NC JJ101 NC JJ102 PC101 1 2 3 4 LF101 NC 1 4 2 3 JJ103 JJ104 R102 270 1 4W C102 K0 033 R141 10K NC JJ105 NC JJ106 NC C103 NC C104 Q101 C134 K0 1 R138 5 6K R139 560K R140 330K 5VA NC D106 NC R155 5VA 5VA 5VA C...

Page 231: ...GND 20 XL14 39 GND 21 XL15 NC C351 5V2 NC R310 NC R311 NC R312 LED302 LED303 C354 5V2 R355 R353 2 IC302 1 2 3 4 8 C353 5V2 R356 1 IC302 5 6 7 C355 R354 C356 SW352 3 1 4 2 R315 100 C316 K0 01 R314 4 7K SW353 3 1 4 2 R317 100 C317 K0 01 R316 4 7K 5V2 5V2 SW305 AUTO ANSWER SW310 IQ FAX SW315 8 SW320 7 SW325 INTERCOM SW330 DIRECTORY PROGRAM SW335 5V CN303 1 MICIN 2 3 GND SW301 NC C358 NC C359 NC R375 ...

Page 232: ...103 1000p L101 ZNR101 R101 1M 470V L N CN31 1 GND R127 PC101 C124 0 1 1 8K C101 0 1 F101 SA125V D104 R105 0 22 2 R124 180 C121 4700p 4 5 3 6 2 7 1 8 R122 620 R125 10K D107 IC101 D108 R108 15 IC202 R128 180 D106 Q101 G R104 100K 1 T101 TRANS D201 1 24V 2 24V 3 24V 4 GND CN301 5 GND 6 GND 7 5V C202 1000p 1K D201 C206 1000p R223 IC201 C205 1 50 100 D S R203 47 C204 47 35 Cycle 12 4 µs 55V 25V 0V Cycl...

Page 233: ...ATT Q505 CN101 3 3V 5V 24V 3V BATT TXM CN502 DRIVER MOTOR CPU RTC OSC IC503 IC501 IC505 RX TX IC509 IC502 IC504 ANALOG P C B See 6 7 1 ANALOG UNIT BLOCK DIAGRAM CN505 CN503 THERMAL HEAD DRAM ROM SRAM 5V BATT RECTIFIER DC DC CONVERTER SWITCHING POWER SUPPLY AC NOISE FILTER CN504 4Mbit 4Mbit 256kbit MODEM RX TX BELL 24MHz 8MHz 24MHz 32 768 kHz 32 768 kHz DIGITAL P C B SI CLK LITHIUM BATTERY PAPER TO...

Page 234: ... JOG2 TO CIS SI CLK CISLEDON SIG TO THRMAL HEAD THDAT THCLK THLAT STB1 STB2 TM 24V TO MOTOR TM 3 0 TXE TO POWER SUPPLY 24V 5V PG DG OP RESET 24V XRESETI XORESET XRESET XBACKEN RESET IC 3V BATT 5V BATT VCC BATT 24MHz 32 768KHz TX RX TO ANALOG PCB A 12 0 RBA 5 0 A 11 0 RBA 2 0 A 4 0 5V XRAS XCAS A 9 0 D 7 0 XRD XWR XRAS XCAS IC503 DRAM A 7 4 RBA 5 0 PTOP SENSOR LED ON PS501 5V CN504 CN503 CN505 CN50...

Page 235: ...L LINE NCU MODEM ROM CPU DRAM IC503 IC502 IC505 SYSTEM BUS IMAGE PROCESSING SECTION RAM P S CONVERTER CIS IMAGE SENSOR ANALOG SIGNAL PROCESSING SECTION THERMAL HEAD A D 1 2 3 4 5 6 7 8 9 10 11 12 13 IC501 ...

Page 236: ... 11 CN501 CN101 C577 MRXEN MDMTXEN TONE1 R111 R112 IC101 1 C124 R126 R127 R132 R131 R130 R129 Q102 C125 C122 C121 C118 C127 C133 C123 R124 R125 IC510 1 IC510 2 C561 R570 C566 R565 R588 R575 R571 C567 R572 R568 C570 C568 R566 12V IC511 2 C580 R585 R579 R123 R122 R121 C114 C110 R116 R115 C113 R113 DIGITAL ANALOG 12V IC511 1 C584 R592 R588 R587 C117 1 CD 2 FC2 3 FC1 GND VCC 4 8 7 6 5 Q510 C568 IC509 ...

Page 237: ...CN301 CN504 IC501 ASIC LCD MODULE GATE ARRAY IC301 CN302 DOCUMENT TOP SW DOCUMENT SET SW 7x5 KEYS MATRIX DIGITAL BOARD OPERATION BOARD XL11 12 KIN0 6 KSL0 4 ...

Page 238: ...C101 F GND Control Circuit R102 R103 Converter Circuit C D 5V Output Circuit 24V Output Circuit Rectifier Circuit A B C106 Error Detecting Circuit Surge absorber circuit EO C L EOver voltage Q101 A B Voltage Wave Form C D Voltage Wave Form E F G H Voltage Wave Form 0 0 0 Block Diagram ...

Page 239: ...9 R586 R584 C576 R559 C557 C591 L506 R602 R595 R557 R562 C540 C541 R599 C532 C538 C526 R560 C545 C571 C575 C586 C581 R579 R593 R583 R580 C572 C508 R524 R525 C511 R530 R528 C582 R581 SW501 C502 IC506 C516 5V BAT 3 3 BAT R534 R501 C505 C504 R514 C507 C506 DA501 R518 R517 R515 R513 R510 R508 L512 C534 R598 C535 R545 R541 R544 Q505 3 3V C542 C527 C531 C533 C530 C509 R523 R522 1 8 5 4 BOTTOM VIEW ...

Page 240: ...A IC509 C543 R550 14 8 1 7 R585 R587 C588 R597 R570 R566 C568 R572 C561 C570 R596 R565 C556 R558 C562 R568 C565 RA504 RA505 C589 C583 C549 C573 Q508 R574 C560 R592 C584 C577 R575 C567 C569 C574 C566 R561 C550 R549 R554 C547 R551 R548 C553 C554 R564 R542 R540 R539 R538 C520 CN502 E C512 R532 R533 C518 3 3V B C539 J501 WD IC507 Q511 R600 R576 R577 R571 R582 R563 R591 C548 50 31 1 51 30 100 C544 IC50...

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