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KX-FL612CX KX-FL612CX-S

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2. Ref Part No Part Name amp Description Remarks Part No Part Name amp Description Remarks No D201 PFVDYG901C2R DIODE SI s PFBA215005 FUSE S A D202 PFVD21DQ06 DIODE SI S TRANSFORMER ZD101 4300 ZENER DIODE ETB29ACIV8AD TRANSFORMER zD102 MA4180 ZENER DIODE THERMISTOR zD201 MA4062N ZENER DIODE PFRTD207D8RO THERMISTOR CONNECTORS VARISTOR CN101 PQJP2D98Z CONNECTOR 2P S ERZVGAD751 VARISTOR CN102 PQJP2D98Z CONNECTOR 2P 5 COMPONENTS PART CN201 PFJP08B01Z CONNECTOR 8P s PFXFTM1661SE TRIAC CAPACITORS C101 ECQU2A224ML 0 22 GINE 12 8 EXIT SENSOR BOARD 5 C103 PECKDCS222MY 7 0 0022 s A Part No Part Name amp Description Remarks C104 PFCKDCS222MY 0 0022 S A C105 PFCKDCD222MY 050022 s A PFLP1481MZ B EXIT SENSOR BOARD ASS Y RTL C106 PECKLH2WS60H 96P s A PHOTO ELECTRIC TRANSDUCER C107 ECQE6103 0 01 PFVIRM574SL PHOTO SENSOR C109 ECKN3A221KRP 220P CONNECTORS C110 EEUFC1V390 39 217 CONNECTOR 111 ECQBIHIO2JF 0 001 PQJP5G43Y CONNECTOR 5P C112 ECQV1H224JZ 0 22 CAPAC
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4. R103 180 0 8105 180 0 RIOT 1800 2 2 RTT 1800 5 5 R12 180 0 8113 180 0 m 8 AW R16 jp 180 0 5 5 RATE wv 180 0 e 5VD FOR CHECKER AUTO ANSWER MENU CALLER IQ FLASH NEXT STOP H S MUTE REDIAL PAUSE amp RE N F sa i i FOR SOFT o 0 CHECK SW101 SW106 SW110 SW116 SW124 SW131 SW136 SW141 QUICK SCAN DIRECTORY PROG S6 CID SERACH 0 Lo a a a a a z 9 0 o 9 0 9 o o o o o SW102 SW107 SW111 SW117 SW125 SW132 SW137 SW142 bd bd COPY 9 PREV CID PRINT 8 7 9 0 0 4 e ki z s SW103 SW118 SW126 SW133 SW138 SW143 V 3 FAX START HELP 6 SH 5 4 4 Ea BIS d E 0 o 5 SW104 SW108 SW119 SW127 SW134 SW139 SW144 SSS SS SS SST 2EEEEEEEEE 22283988855 89284248446 1 KSL2 gt gt TxD 33 6 RESOLUTION MONITOR COLLATE 3 S12 2 1 2i EDS RXD 82 7 s ene i para a Nt SCLK 31 8 oo 4 RESET
5. 45VD e 5VD 2 Seals 4 jo res N d TO DIGITAL T v CN102 L 1 RPS 2 THM R134 100 0 3 KSTART R130 100 0 E 4 SDATA R135 100 0 5 KSCK R131 100 0 AW 6 OPERST s n S 2 5 x gle s 572 5 5 5 8 7 GND 5 575 5 a ate 8 8 5V e 5 x S75 5 E 5 o o 7 7 NC i 5VA 5VA 1 i 9 R136 z ol NC LT 1 518 s E325 5 5 2 i R142 NC C134 NC CN103 2 EF h 1 i 8141 6135 2 2 8 PIE 2 2 Ne NG 2 7 2 5V 1 5 amp IC102 1 C126 9 NC i ce O DE ERN Se OS EES DE See 45VD CALLER IQ Riga Pie 330 0 AUTO ANSWER LED102 R139 5 W p TO COB 5509 MODULE 10 DB7 9 DB6 8 DB5 7 6 E at T 5 RW 23 2 i 4 RS R127 10K 3 VO R128 W 226 ake PES 5VD 2 8298 as 500 ETT OTR 1 VSS i iss CN101 La 9 2 o PL E 8 9 amp 8 o S 8 bd bd 9 251 KX FL612CX OPERATION BOARD PCB3 2 2 KX FL612CX KX FL612CX S mn g x 51 o 5 E N N alg Ber 3 gt 0001 gt 02
6. Wi 6298 6 10dI 01 V88 3ALSI 150539 pnosau Issa Nx Issa E QQ E0dO SONHOX sowoux 180 caa saa eaa eaa lega lorga ISSA ASzaqA 5 2190 DERI ISSA 5 Noto ie 5 veni cz i3s3ux s e z NIZEX g uouiH ez z0dorayno zsosaux z con sx LJ vx Od 2 an9 2090 9240 12 br nroz Ld9d IVLIDIC X921914201 YOLOW NYOS OL zT 1 Woo ax e vx Sr sedovuLapey 190 01921 zaOS1OEe
7. 3 1234567890 1234567890 2 Ne 4 E 10 10 E E aa L P El 218 Kx FL612CX KX FL612CX S SOLENOID UNIT FEED MOTOR LASER UNIT FAN UNIT 9 FIXTURES AND TOOLS MAIN MOTOR UNIT 219 KX FL612CX KX FL612CX S 10 CABINET MECHANICAL AND ELECTRICAL PARTS LOCATION 10 1 GENERAL SECTION Kx FL612CX KX FL612CX S 10 2 OPERATION COVER SECTION 1 221 KX FL612CX KX FL61 2cx s 10 3 OPERATION COVER SECTION 2 222 KX FL612CX KX FL612CX S 10 4 OPERATION COVER SECTION 3 223 KX FL612CX KX FL612CX S 10 5 PICK UP SECTION 224 KX FL612CX KX FL612CX S 10 6 FUSER SECTION 136 225 KX FL612CX KX FL61 2cx s 10 7 UPPER MAIN CABINET SECTION 226 KX FL612CX KX FL612CX S 10 8 LOWER MAIN CABINET
8. 210 8 6 TEST CHART mm mmm 216 9 FIXTURES AND 16 219 10 CABINET MECHANICAL AND ELECTRICAL PARTS LOCATION 2 220 10 1 GENERAL SECTION 220 10 2 OPERATION COVER SECTION 1 7 221 10 3 OPERATION COVER SECTION 2 222 10 4 OPERATION COVER SECTION 3 223 10 5 PICK UP SECTION 224 10 6 FUSER SECTION 225 10 7 UPPER MAIN CABINET SECTION 226 10 8 LOWER MAIN CABINET SECTION 1 227 10 9 LOWER MAIN CABINET SECTION 2 228 10 10 LOWER CABINET SECTION 3 229 10 11 ACTUAL SIZE OF SCREWS AND WASHER 230 11 ACCESSORIES AND PACKING MATERIALS 231 KX FL612CX KX FL612CX S 12 REPLACEMENT PARTS 115 232 15 1 ANALOG BOARD PCB2 11 248 12 1 CABINET AND ELECTRICAL PARTS 232 15 2 OPERATION BOARD 250 12 2 ACCESSORIES AND PACKING MATERIALS 234 15 3 HIGH VOLTAGE POWER SUPPLY BOARD 252 12
9. NAVIGATOR 4 PREV NEXT _ VOLUME FLASH REDIAL PAUSE HELP LOWER pax START COPY START HANDSET MUTE CALLER ID PRINT MONITOR CALLER ID SEARCH DIRECTORY PROGRAM KX FL612CX KX FL612CX S 3 2 CONNECTIONS 1 Connect the handset cord 2 Connect the telephone line cord 3 Connect the power cord e When the power is turned on for the first time the unit will print some basic information Connect to LINE Power cord To the power outlet 220 240V 50 60Hz Telephone line cord telephone line jack Answering machine not included Caution e When you operate this product the power outlet should be near the product and easily accessible e Be sure to use the telephone line cord included in this unit e Do not extend the telephone line cord Note e To avoid malfunction do not position fax machine near appliances such as TVs or speakers which generate an intense magnetic field e f any other device is connected on the same line this unit may disturb the network condition of the device 14 KX FL612CX KX FL612CX S 3 3 INSTALLATION 3 3 4 INSTALLATION SPACE The space required to install the unit is shown below The dimensions given are necessary for the unit to operate efficiently 370mm Note e Avoid excessive heat or humidity e Use the unit within the following ranges
10. 76 7 CIRCUIT OPERATIONS lt 2 147 7 1 CONNECTION DIAGRAM 147 7 2 GENERAL BLOCK DIAGRAM 148 7 3 FACSIMILE SECTION 150 7 4 NCU SECTION 161 7 5 ITS Integrated telephone System and MONITOR SECTION 163 7 6 CIS CONTROL SECTION 165 7 7 STEPPING MOTOR DRIVE SECTION 166 7 8 FAN MOTOR SECTION 170 7 9 SOLENOID DRIVE SECTION 172 7 10 LSU Laser Scanning Unit SECTION 173 7 11 SENSORS AND SWITCHES SECTION 175 7 12 OPERATION BOARD SECTION 184 7 13 LCD SECTION 185 7 14 HVPS High Voltage Power Supply SECTION 186 7 15 HEAT LAMP CONTROL CIRCUIT f 188 7 16 POWER SUPPLY BOARD SECTION 194 8 REFERENCE MATERIALS DATA 197 8 1 PRINTING OPERATION PRINCIPLE 197 8 2 TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES meme 205 8 3 HOW TO REPLACE THE FLAT PACKAGE IC 206 8 4 DIGITAL BOARD SECTION 208 8 5 MODEM SECTION
11. 9090 693 gt H9 33H 0 91 8191 16 9 0919 16191 5190 2290 H9 OLfV i 0 07 9094 C 3 29 54 51 7 2190 9090 SP e Fe 2698 809935 5 0090 609H diu A HO 80d POINT gd 0989 E 06945 k 9 z i LN3NOdINOO WLIDID 91 IVLIDIG 71291 advoga LINDYID G31NIdd 91 255 KX FL612CX KX FL612CX S WOLLOG badd IVLIDIC X921913 0 C680 0679 C661 C676 hs C663 0665 1617 C664 IR668 0662 8679 R678 0655 0656 2 105 R742 1743 R744 C729 PS600 L616 0670 R659 0631 C632 R720 C687 N 7871 70654 78675 0
12. ADDRESS 8056 106 sv NOTUSD 107 0 33V JNOTUSD 108 109 110 111 112 113 14 0 33V MODEM C600 CHIP SELECT 15 XMDMNT 33V MODEM IC600 INTERRUPT 116 CPCOPZz7 0 33V NOTUSD 117 ADRISIOPi5b 0 33V INOTUSED 118 ADRI4IOPi6 O 33V NOTUSD 119 ADRIS OP17 0 33V NOTUSD 120 33V NOTUSD 121 33V J NOTUSD 122 1 33V INOTUSED 123 1 124 1 33V JNOTUSD 125 126 127 F1 Sof o 33V qCOCKFORCIS 128 FIG 0 33 J STROBFORCS 2 4 129 TXDOPO0 0 33V 5232 CONTROL FOR SERVICE FUNCTION 130 RXD OP21 1 33V 5232 CONTROL FOR SERVICE FUNCTION 131 RTS OP22 O 33V RS232C CONTROL FOR SERVICE FUNCTION 132 CTS IOP23 1 33V RS232C CONTROL FOR SERVICE FUNCTION DSRiOP24 1 33V 5232 CONTROL FOR SERVICE FUNCTION IDTRIOP25 o 33v J RS232C CONTROL FOR SERVICE FUNCTION O 533 ____ MODEM 0 53 CHANNELSELECTFORAN ADSEL2 7 O 53 SELECTFORAIN Description of Pin Distribution 605 PIN SIGNAL POWER SUPPLY EXPLANATION No VOLTAGE GND SENCTLZIOPG 0
13. i 0001 ar 0001 pozo ll O 2020 OF 18 RE S 9 546 o SA iis Beh 8 lt o 105d NI o5 us situ i gold zz E doz 2112 ce A 20102 789 w vH NL 50 bai 220 90001 428 01 9014 201 gt gt m 6 z lt vota m Be S T Ez s 012 50 II o o e Le o 1218 Te Te ETS EE 90022 a 9607915 6019 in oly WI 90022 m 00 0 019 e lt sud o 5 E 101955 18 021 era E lel 220 5 1010 4 2 19 5 5 See 5 lt 5 02 zold a a al Pee ee eo Be e vi S ar ME DIM z T Z lt pr eM EE z 253 KX FL612CX KX FL612CX S KX FL612CX LOW VOLTAGE POWER SUPPLY BOARD PCB5 KX FL612CX KX FL612CX S 15 5 EXIT SENSOR BOARD PCB6 CN51 FL612CX EXIT SENSOR BOARD PCB6 15 6 DRUM AND TONER SENSOR BOARD PCB7 X FL612CX DRUM AND TONER SENSOR BOARD PCB7 15 7 VARISTOR BOARD PCB8 ZNR71 271 W6N10T W6N10T J71 J72 Q KX FL612CX VARISTOR BOARD PCB8 254 KX FL612CX KX FL612CX S LN3NOdNOO 1V LISIO X921913201 399 VX0681d dd c09vd
14. SLY SSA lt gisaipzi EET Sr 1290 12401999 Ag E 1NIWOWX soWanx NOSX1Od OL 9094 p 9M s Aver No104 z Aavaux 82 5 52 10005 igpnoos 28 55 t8 Ae eaa 75005 sz svu Sz svo ZZ amas 7 58 98 zuav 78 fag ss suov 06 suav 26 suav 0 56 97 58 0 6 As y 08 SS 99 8 I 1490 nroz 0699 nroz 6892 LH ON 0z H bed 78 SS 3 W 4 vigvd 1 82 9 8 pr b nroz 247 uo nroz p 1620 Joa 9 fast PI 8 gt
15. 56 KX FL612CX KX FL612CX S 5 22 NOTE FOR ASSEMBLING 5 22 1 FCC DIGITAL BOARD Install the FFC as following pictures when you connect the FFC to the digital board Silver Metaric contact side Digital board 5 22 2 DOCUMENT STACKER 1 Mark of a Lower Frame and Document Stacker is united and assemble 2 Slide the Document Stacker to the back 5 22 3 THERMOSTAT Attach the thermostat correctly as shown Screw in the right figure Do not use the thermostat which changed LA Contact wire eel Thermostat __ Cross section 57 KX FL612CX KX FL612CX S 5 23 INSTALLATION POSITION OF THE LEAD Fan Motor Lead CIS Lead Lead ss E ge s d usi i B See Scone x URE RS RE Place Fan Motor Lead at _ the bottom of the leads about 30mm about 70mm Wind 2 times round the core Wind 2 times round the core 25 4om Attach the tape equally Attach FAN MOTOR LEAD LEAD HVPS to right and left and MOTOR LEAD SECTIONAL VIEW lt Caution point gt If the leads is processed acordance with the edge side of the rib the leads Leads is processed in accordance are crushed by LSU with the side of cabinet
16. gt Pressing Y Number 5 gt Pressing Symbol Y Lower case alphabet 21 KX FL612CX KX FL612CX S 3 3 9 SETTING YOUR LOGO The logo can be your company division or name 1 Press MENU Display 2 Press 34 repeatedly to display the following YOUR LOGO PRESS SET 3 Press e Cursor _ will disappear on the display LOGO SYSTEM SET UP PRESS NAVI 4 4 Enter your logo up to 30 characters using the dial keypad See the character table Example Bill 1 Press 2 2 times Cursor LOGO B 2 Press 4 3 times LOGO Bi 3 Press 5 3 times LOGO Bil 20 o o 9 lt m o o o 2 gt 2 space and press 5 3 times LOGO Bill 5 Press e The next feature will be displayed YOUR FAX NO 09000 o o MENU STOP 4 gt SET FLASH HANDSET MUTE PRESS 5 6 Press MENU to exit the program Note e You can enter your logo by pressing or see the previous page in step 4 In this case press move the cursor ET To change capital or lower case letters Pressing the 8 key will change to capital lower case alternatively
17. e 824 HO O1nv IMS 801 El 0 dO 5 Hg 5 7 S 4 2 n e se ge 657 ES bns SO 5 m NVOS 3 am n TEMS 65 201 901 IMs 1 N umm a oF zora e e e LN3NOdINOO QHVOS8 NOIIVH3dO LE OL NOILVH3dO 2 9 259 KX FL612CX KX FL612CX S 6181 919 9 L 7 6 14 16 3 2 OPERATION BOARD BOTTOM VIEW KX FL612CX OPERATION BOARD BOTTOM VIEW KX FL612CX KX FL612CX S LN3NOdWOO 5 35V LTOA X921913 X LN3NOdINOO qHVOS AlddNS H3MOd SADVLIOA HDIH 4 5 H3MOd 35VLTOA HDIH 7791 261 KX FL612CX KX FL612CX S WOLLOS badd A1ddnS 39V 110A 22191 262 CHG JC9 Jt gt NOLLO8 QHVOS8 5 YAMOd ADVLIOA 76791 16 5 LOW VOLTAGE POWER SUPPLY BOARD PCB5 LOW VOLTAGE POWER SUPPLY BOARD COMPONENT VIEW 16 5 1 wa MAD 3dAL 3INVS AINO 3Ov 1d3u dO MSIE LSNIVOV NOI1931Otd 263 KX FL612CX KX FL612C
18. 18 s svBATOUT O 33VBATT POWER SQURCE 3 3V LITHIUM BATTERY 14 25vBATIN 28VBATT POWER SOURCE 2 5V LITHIUM BATTERY _ 5 RESET 33V FOR INTERNAL CIRCUIT 10606 16 xoreser 10 33 SYSTEM RESET OUTPUT 19 Reset 553 RESETINUT amp 5 j 20 xWDERR o 33 WATCHDOG ERROR OUTPUT 21 monori 0 33V ____ CONTROL 151 KX FL612CX KX FL61 2cx s No VOLTAGE 22 o CONTROL 23 12 o sav CONTROL 24 o rxworocoNROL O Z O O 25 o X s33v MOTOR POWER CONTROL 28 06 o X 33V TRANSFER BIAS CONTROL 29 HTRCTL 33 CC HEATERCONTROL O 30 ______ O 33V LSU CONTROL POLYGON MOTOR CLOCK 98 Poron o ss p sucoNmotPOoLvGONMOTOR 32 XREADY j 33 j 3 DN 10 23a 35 ace Jo 36 o X sav LSU CONTROL VIDEO SIGNAL 37 xusrRD mBA gyPoO 38 xusrWwR RBADOyPO 39 RESINT INTERRUPT 12605 40 xREscsi o X sav CHIP SELECT FOR IC605 4 0 X ss X jeockroniCe 4 0 JsvsrTEMCLOCK2AMH 45 PIN X 33v j svsrEMCLOCK24MH O
19. ONLY FAx MOD 24 FAX ONLY S6208PS STD FAX MOD 25 FAX ONLY SeaagPs STD FAx MOD 26 FAX ONLY S6 8BPS FINE FAX MOD 27 FAX ONLY 9 80 5 FINE 28 ONLY S6Q2BPS STD FRX MOD 29 ONLY 5 FINE FRX MOD 38 ONLY 5 S FINE FAX MOD 31 ONLY S6 BBPS STD FAX MOD 32 ONLY SeaaBPs STD MOD 33 FAX ONLY FAX MOD 34 FAX ONLY SeaaBPs STD MOD 35 FAX ONLY 96888 5 STD MOD NO RESPONSE DISAPPEARED ON JOURNAL NO START TIME RCU MODE RCV TRIG CNT 2 116 KX FL612CX KX FL612CX S 25 2888 01 58PM ND ENCODE MSLT EGMCRX ERROR LINECRX MAKER CODE 1 MR 18msec BATA 08898 2 20 16B 08000 28 Q3 NH 5 aaooo ana 84 MR 2 msec 19B ganas 5 MR 2 msec 8155 88811 aa gs MR 5 8113 ar MR Smsec goan 79 MR Smsec aeaa 28828 79 89 MR 28288 19 19 MR 2 2108 ga 11 MR 180msec 6873 gagag GE 12 MR 2 msec 12B 13 MH 20msec 79 14 MH 20 0000 28888 15 2 21515 22888 88 16 00090 ga 17 Smsec 8888 79 18 MR 18 5 GE 19 MR 2 8124 aa 28 MR 2 0msec eeooo 21 MR 2 msec 0200 00000 aa 22 MR 20 9135 aa 23 MR 2 BA 24 MR 20 1BC 22888 2
20. 40 5 1 UPPER MAIN CABINET 41 5 2 LOWER MAIN CABINET SECTION 42 5 3 HOW TO REMOVE THE OPERATION PANEL ASS Y 43 5 4 HOW TO REMOVE THE PICK UP UNIT 44 5 5 HOW TO REMOVE THE PICK UP ROLLER 45 5 6 HOW TO REMOVE THE OPERATION BOARD 46 5 7 HOW TO REMOVE THE LOWER FLAME 47 5 8 HOW TO REMOVE THE SEPARATION RUBBER 47 5 9 HOW TO REMOVE THE TRANSFER ROLLER 48 5 10 HOW TO REMOVE THE SEPARATION ROLLER 49 5 11 HOW TO REMOVE THE BOTTOM PLATE 50 5 12 HOW TO REMOVE THE ANALOG BOARD 50 5 13 HOW TO REMOVE THE HIGH VOLTAGE POWER 5 14 5 15 5 16 5 17 5 18 5 19 Page 5 20 HOW TO REMOVE THE FUSER UNIT 55 5 21 HOW TO REMOVE THE CIS lt lt 56 5 22 NOTE FOR ASSEMBLING 57 5 23 INSTALLATION POSITION OF THE LEAD 58 6 TROUBLESHOOTING GUIDE 59 6 1 USER RECOVERABLE ERRORS 59 6 2 PROGRAMMING AND LISTS 61 6 3 TEST FUNCTIONS 22 64 6 4 REMOTE PROGRAMMING 68 6 5 TROUBLESHOOTING DETAILS
21. Circuit Diagram 5V POLCLK POLYGON MOTOR XREADY POLON LSU VIDEO P C Board LDON 8 R739 of 9 33 XHSYNC R738 L630 5 XHSYNC Timing Chart 525us Pot 4 XREADY _ _ _ _ CALL SERVICE 1 if always Hi After stabilizing the rotation of Polygon Motor this signal will be low level i US ea SERVICE 2 if no pulse XHSYNC i 4 LDON LASERON VIDEO 3 _ EN PxDpATKA Line 216mm Ke 7 5mm APC E I Fd AE 283 4mm EE i Left margine can be adjusted LLLLLLLLLLLLLLL LL by service code 854 Z Recording Paper 174 7 11 SEN SORS AND SWITCHES SECTION All of the sensor and switches are shown below Note See TEST FU Digital PCB PS600 Exit Sensor PCB PS51 Toner Sensor PCB SW60 IC60 Dev amp Toner Set Analog PCB sw200 __ NCTIONS SENSOR CHECK SECTION for the sensor test 8815 of Service Mode test Refer to TEST FUNCTIONS 64 7 11 1 HOOK SWITCH When the handset is raised the switch is turned OFF and the signal at pin 33 of 605 is high When the handset is returned the switch is turned ON and the signal at 33 of IC605 is low CHECK DOCUMENT REMOVE DOCUMENT COVER OPEN C
22. is RA js Hg jo is js ji js 2 Ww i4 47 pp jo E 2 Ww jo w 4 4 2 bw h oC 2 w To 42 pp Ei 88 41 po js o 3 pg e E Bi po s e e BE 3 ppo jt 4 8b 3 pp Hz Bs j E Ba c h E 3 h po j j gt E 3 s js j js Ho q ja CY 2 jo jo 87 ha leo Voltage V 192 Temperature Note 1612 KX FL612CX S HEX reading Temperature HEX reading Temperature C HEX reading 43 j D m es E D je 4 E D Bi es D i2 hs o pr j e a a po jus Bi hs h bhe o E D 4o s gt D B 4a _ jo je o isi js js isa
23. 0249 12 9 02 6 0 EINE lov 7 9691 001 91 001 Ag veld 400044 ICI is Gee odav 891 001 Joa 21910 SdAH OL 9 s sur lao zv ISSA ev jaaa o oo aw soq 9 Svid I 2290 5290 5190 25 toa v orba Asgiaau eoa ELONI aoa 1 5 soq e100 300 aig 19100 ziv ISSA eiv oiv 20921 zz L Ave p Am T 2 Jano 8 4 nroz 9 fas rd Isla z ave NOOLASE 2220 1 I9NO SdAS OL INVHOVIG DILVINAHOS TI 244 x o uL gt x viz 4 au voa IWLIDIC X92 1914 01
24. YES 24V output NO Power OFF Replace the whole board 6 5 17 3 BROKEN PARTS REPAIR DETAILS D101 D104 Check for a short circuit in terminal 4 If D101 D104 is short circuit F101 will melt open In this case replace all of the parts D101 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 This is due to a very high voltage through the Gate circuit which is composed of R109 and IC101 You should change all of the parts listed as follows F101 Q101 R109 IC101 D201 If D201 is broken the oscillation circuit in the power supply cannot operate Check it with an electric tester 146 KX FL612CX KX FL612CX S 7 CIRCUIT OPERATIONS 7 1 CONNECTION DIAGRAM TO TO TELEPHONE LINE TELEPHONE THERMISTOR DOC SENSOR OPERATION PANEL BOARD P F SENSOR bes TO HANDSET 1 HSSP 2 HSMIO 3 HSSP ro T Nave Toor VON Vox MIDAT MEK Speaker PICKUP SOLENOID E 0000000 ss eoun 00000000 2 DIGITAL BOARD RESIST PAPER SENSOR SENSOR pu 000000 o TOPCUR COVER OPEN SW HVPS POWER SW WRITER 00000000 TRANSFER ROLLER O k ROL
25. pr i 8 j iss js a he je e hs o w o aes ts n j jr j B _ 9 je 2 B 0 jo B jo ja 3 pc he b B ie j j isi Hex reading 01 or below Short of Thermistor Hex reading F9h or over Open of Thermistor 193 KX FL612CX KX FL612CX S 7 16 POWER SUPPLY BOARD SECTION This power supply board uses the switching regulator method Block Diagram AC T101 o Input Rectifier gt 024V CN101 Circuit Circuit C106 E B Surge ircui absorber circuit A B Voltage Wave Form OPGND O5V ANONAI Surge absorber 0 circuit C D Voltage Wave Form Control Circui H ircuit E 4 B Voltage Wave Form Error Detecting 0 H Circuit 101 CN102 Photo Trioc Heat Lamp O Caupler PC102 OHTRCTL 2 Freq OPDWN 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 Kick on voltage circuit Bias is applied to the Q101 gate via this circuit when the AC power is turned on an
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27. 63 KX FL612CX KX FL612CX S 6 33 TEST FUNCTIONS The codes listed below can be used to perform simple checks of some of the unit s functions When complaints are received from customers they provide an effective tool for identifying the locations and causes of malfunctions Test Mode Type of Mode Function Operation after code input MOTOR TEST Service Mode 5 5 6 0 Recording paper feed START 1 Auto Document feed STANDARD 2 Auto Document feed FINE 3 Auto Document feed SUPER FINE MODEM TEST Service Mode 55745747 Telephone line circuit is connected automatically output the following signals on START the circuit line 1 OFF 2 14400bps 3 12000bps 4 9600bps 5 7200 bps 6 4800bps 7 2400bps 8 300bps 9 2100Hz 10 1100Hz ROM CHECK Service Mode Indicates the version and checks the sum of the ROM Checks LCD indication all the dots to check if they are normal Refer to OPERATION PANEL SECTION P 131 DTMF SINGLE TEST Service Mode 5 5 2 Outputs the DTMF as single tones Used to check the frequencies of the 1 ON individual DTMF tones Refer to DTMF SINGLE TONE TRANSMIT SELECTION id diu m 2 LED CHECK Service Mode 5 5 7 All LEDs above the operation panel board flash on and off or are illuminated pec c p MU Checks the button operation ESTARIA EN the button code on the LCD while the button is pressed Refer to BUTTON CODE TABLE
28. E E amp 528 8 24V 24 sihi amp 2 9 5 m 45VD 5VA 1208 s lt 1265 1223 2 BEAD a 5 12VA amp 5 BEAD BEAD S bs 8 sr EN 8 Sls S 5 8 x 8 sg 3 7 7 612 ANALOG BOARD 2 2 1 248 KX FL612CX KX FL612CX S 20dBm VS CN203 8 D210 F200 CN203 la NC NC 15 1 4W BEAD 1 el o 5 VH RLY200 1 2 2 8555 2 s l R263 H T 1 2 r s 825 Lew 0 86 Ne sre 4 4 I 3 8 K680p 8 hd amp C279 T 5 siwez 2 5VD gst 5 1206 2 2 8 557
29. Rate output voltage 1000 100V Output format Constant voltage DEV BIAS is output from one of the output terminals after the DEV CHG signal selects DEV BIAS and DEV BIAS TRA BIAS is output from one of the output terminals after the TRA CLK signal selects TRA BIAS and TRA BIAS DIGITAL P C B H V P S High Voltage Power Supply Circuit Diagram TRA BIAS CHG BIAS DEV BIAS 2 186 KX FL612CX KX FL612CX S 7 14 2 CHG BIAS Charge BIAS DEV BIAS Developing BIAS DEV BIAS Developing BIAS UNIT When the CHG REM terminal becomes L the transistor Q201 turns ON by IC101 Charge BIAS 1000V is output from CHG OUTPUT Developing BIAS 200V is output from DEV BIAS After that when DEV CHG terminal becomes L Q202 turns ON and Developing BIAS 150V is output from DEV BIAS 7 14 8 BIAS Transfer BIAS TRA BIAS Transfer BIAS UNIT When the CHG REM terminal is L and the TRA CLK terminal is Open Transfer BIAS 1000V is output from TRA OUTPUT the moment Charge BIAS 1000V is output from CHG OUTPUT When 7 8KHz PWM pulse width modulation signal is input to the TRA CLK terminal Q103 turns ON by IC101 and TRA CURRENT BIAS according to the PWM signal is output from TRA OUTPUT The PWM signal will be turned to a constant voltage by the resistor and the condenser and input to the IC101 The IC101 compares this voltag
30. 1 Press 2 2 times Display TOGO 8 2 Press 4 3 times LOGO BI 3 Press LOGO Bi 4 Press 5 3 times LOGO Bil To correct a mistake e Press 44 or to move the cursor to the incorrect character and make the correction To delete a character e Press 44 or to move the cursor to the character you want to delete and press STOP Delete To insert a character 1 Press 44 or to move the cursor to the position to the right of where you want to insert the character 2 Press HANDSET MUTE Insert to insert space and enter the character 22 KX FL612CX KX FL612CX S 3 3 10 REPLACING THE TONER CARTRIDGE AND THE DRUM UNIT When the display shows the following replace the toner cartridge Display TONER LOW or TONER EMPTY We recommend you replace the drum unit every fourth time you replace the toner cartridge To check the drum life and quality please print the printer test list To ensure that the unit operates properly we recommend the use of Panasonic toner cartridge Model No KX FA83E KX FA83A and drum unit Model No KX FA84E KX FA84A Caution e We cannot be responsible for any damage to the unit or degradation of print quality which may occur from the use of non Panasonic toner cartridge and drum unit e The drum unit contains a photosensitive drum Exposing it to light may damage the drum Once you have opened the protect
31. 140 CHG BIAS DEV BIAS TRA BIAS Is CHG REM signal pin3 Low level YES Does the pin9 of IC101 turn ON OFF at about 40 kHz Replace the IC101 and check the peripheral parts Does the Q101 turn ON OFF at about 40 kHz Replace the Q101 and check the peripheral parts Does the Q201 turn ON OFF at about 40 kHz Replace the Q201 and check the peripheral parts Replace the T201 and check the peripheral parts Is the T201 working YES Replace the unit Confirm each output 141 KX FL612CX KX FL612CX S NO Check the connection between Digital Unit pin3 of CN614 and High Voltage Unit pin3 Then check the Digital Unit KX FL612CX KX FL612CX S DEV BIAS Check the connection between Digital Unit pin4 of CN614 and High Voltage Unit pin4 Then check the Digital Unit Is DEV CHG signal pin4 Low level Replace the Q202 and check the peripheral parts Is the Q202 ON Replace the unit 142 KX FL612CX KX FL612CX S TRA BIAS Check the connection between NO Digital Unit pin5 of CN614 Does the TRA CLK signal pin 5 turn ON OFF at 7 8 kHz and High Voltage Unit pin5 Then check the Digital Unit YES NO Replace the IC101 and check the peripheral parts Does the pin7 of IC101 turn ON OFF at about 40 kHz YES Does t
32. AC Input Input CN101 Circuit Surge absorber Converter circuit A B Voltage Wave Form Circuit oN Surge absorber 0 circuit C D Voltage Wave Form Control Circuit Error Detecting Circuit PC101 CN102 Photo Trioc Heat Lamp O Caupler PC102 OHTRCTL Freq SW Circuit PC103 DUMMY LOAD to check voltage When you check voltage in a power supply unit alone use this dummy load If the dummy load is not available connect the main P C B to the analog P C B 144 KX FL612CX KX FL612CX S 6 5 17 2 TROUBLESHOOTING FLOW CHART Is F101 open o When testing for a short circuit turn off first and then turn on when you start to check output voltage 24V or 5V as illustrated in the flow chart An analog tester is recommended to use for checking a short circuit Is D101 D104 short Replace D101 D104 Are D G D S and S G Q101 short Replace Q101 24V output OK Power ORE Control circuit check NO Replace R112 and IC101 Check C204 terminal voltage Over DC6V Under DC6V 24V output OK Power OFF Replace D202 Power OFF Replace IC201 Power OFF 145 KX FL612CX KX FL612CX S Control circuit check Are ZD102 R114 D106 OK NO Replace the broken part and IC101 24V output OK Power OFF NO Are D201 PC101 Q201 ZD201 OK Replace the broken part
33. O w 2027 9020 9029 2089 vLcH Lb 8064 6064 1029 5064 vad 5 39V L10A HDIH XOZL913 X 2024 6 OL LLZLEL ti 91 91 019 To t 216 X002 Wr m 5018 vol 2014 592 NL 8 gt ZNO LOLH eNO Wal Vul S WAY SHO T 99 dOL 2 12112 o i esosoo XOL 8010 9219 m m LOLS OL Avet 0 V 2 9 5 H3MOd SDVLIOA HDIH 91 252 15 4 LOW VOLTAGE POWER SUPPLY BOARD PCB5 T101 S3 S1 T101 P1 P2 320V L202 C201 z a 6 amp ia a a 2222228 0 8 _______ ___ io H reta kapaq at o eu im a e t en m 2024 m 9T S is 99 E oe n 9029 socu 470 Ll 9 220 Sr Ay 2 1 Ny ags 10282 5044 9024 1020 zo S 4 21029 270 8020 5 gt gt
34. Part Name amp Description Part Name amp Description ERJ3GEYJ103 10k ERJ3GEYJ103 10k ERJ3GEYJ103 10k ERJ3GEYJ181 180 ERJ3GEYJ4R7 4 7 COMPONENTS PARTS RESISTOR ARRAY ECUV1H621JCV 620k ECUV1H272KBV 0027 ECUV1H102KBV 001 ECUV1H153KBV 015 ECUV1H392KBV 0039 ECUV1H392KBV 0039 ECUV1H151JCV 150 ECUV1C104ZFV 0 1 1 5100 10 ECUV1H271JCV 270k EXCELDR35 PFXBV8V101JV RESISTOR ARRAY PFXBV8V101JV RESISTOR ARRAY PFXBV8V101JV RESISTOR ARRAY S s s EXB38V220JV RESISTOR ARRAY S ECUV1C104ZFV 0 1 EXB38V220JV RESISTOR ARRAY S ECA1VM101 100k EXB38V220JV RESISTOR ARRAY s ECUV1C273KBV 0 027 EXB38V220JV RESISTOR ARRAY s ECUV1C104KBV 0 1 EXB38V220JV RESISTOR ARRAY s ECUV1A224KBV 0 22 EXB38V220JV RESISTOR ARRAY s ECUV1H680JCV 68k EXB38V220JV RESISTOR ARRAY S ECUV1C104KBV 0 1 EXB38V220JV RESISTOR ARRAY S ECUV1H681JCV 680k EXB38V220JV RESISTOR ARRAY S ECUV1C273KBV 0 027 EXB38V220JV RESISTOR ARRAY S 1 101 100 EXRV8V470JV RESISTOR ARRAY 5 ECUV1H681JCV 680k EXRV8V
35. R No response after FTT is transmitted s s s S 48 lt lt c NICATION ERROR SND SND SND ROV ROV NNopotmessage 7 49 RTNismansmtted 50 ROV 51 ROV 52 ROV 54 ROV 58 59 SND 65 65 Q o E c NICATION ERRO NICATION ERROR NICATION ERRO NICATION ERROR NOT YOUR UNIT NICATION ERRO NOT YOUR UNIT NICATION ERRO NICATION ERROR NICATION ERROR NOT YOUR UNIT NICATION ERROR MEMORY FULL Q lt lt c IN is transmitted to PRI Q PIN is transmitted Q o E c 2 lt lt c PIN i Reception is finished when the T1 TIMER expires DCN is received after DIS transmission DCN is received after FTT transmission SND DCN responds to the post message SND DON is received before DIS reception Om om S 3 913 soo 2 2 Q o E No response at the other party after MCF or CFR is transmitted DON s received after CFR transmission 70 72 75 79 ission 11 ission 13 14 ion 2 2 i itted 13 ission 13 i i i ived 16 Carrier is cut when the image signal is received The document was not received due to memory full SND The multi station transmission was rejected by the user MODEM SECTION P 210 SND SND ND ND ND ND RCV RCV RCV RCV RCV RCV RCV RCV ND RCV RCV RCV RCV RCV moo 2 lt PUES gosxg
36. Signal path Refer to CHECK SHEET 128 b Remote receiving This is the parallel connected DTMF signal for the TEL or EXT TEL mode between T R When the other party is a FAX the unit switches to FAX receiving Signal Path Refer to CHECK SHEET P 128 164 KX FL612CX KX FL612CX S 7 6 CIS CONTROL SECTION 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 a light guide and photoelectric conversion elements Circuit Diagram 2 LLI 55 lt O lt 2 2 2 When an original document is inserted and the start button pressed pin 15 of IC605 goes to a high level and the transistor Q618 turns on This applies voltage to the LED to light it The contact image sensor is driven by each of the FTG F1 signals output from IC606 and the original image illuminated by the LED undergoes photoelectric conversion to output an analog image signal SIG The analog image signal is input to the system ASIC on AIN1 pin 3 of IC606 and converted into 8 bit data by the A D converter inside IC606 Then this signal undergoes digital processing in order to obtain a high quality image 165 KX FL612CX KX FL612CX S 7 7 STEPPING MOTOR DRIVE SECTION 7 7 1 ENGINE MOTOR DRIVE CIRCUIT 1 Functions This motor functions for main operations FAX reception and copy printing This feed recording paper sy
37. i ra OF W Er caa 5 SzgoninoA g dE Bv rea 9 EN 7 2 Ire Edd N 9 7289 zB jos 5 D B2x 8 indi y PTITTETTEPEPEPTYTIEPEEFED 135Hs En 08555882 8222258 0 01044 56 EEE5EEEEEBEEEEBESESESERER ELE 72 2 6 59 guiu W S 5 le asy 8 9 Sion oron a gt 69N o 54 uo eno 8 je 6z aN9 y ad 8 a PZON sou vsu gou INI uno gz 29 60951 8X ep ds L p el qr 609N9 YOLOW 3NION3 OL 8074 009 7093 9090 09 NOOLASE 8799 QAS moosS Sy 5 2955 35955553553 35855 555 e 246 KX FL612CX KX FL612CX S v v 1808 X921913201 SOTVNV OL ale 009NO 578 719789 3171 85 NEE M 228 TION 29291 e997 TION 2928 791 ON 9 m SSA 215 4 E a 33 2 M HNI EX SX vas ser Was Bet x qn SEN Wee X X N
38. jo eui uoneunuj eur 1 Jo 1ueuno 19jsueJ JO 1 2244 1ejsue q Bureq yun eu Jensn se pejejduuoo eq sseoo4d y Bunuud Buunp p l581 p puey 18410 eui uo BursseooJd uonejduioo 9013 1 eux uonezijeniui si ejpped eui yeu eseo Kep eouo uonisod dn yold eui jo uonezijeniut SUL sl Mold G31lV4 Jeuy peseojei s eui 1eye pasoja SI JeA09 OY ueuM eui SI OU ueuM si eui JOYE 1 JeAo9 eui ueuM SI eui ueuM SY YUM NO peuini s Jemod eui JO NO peuuni s SI y ueuM uonezijeniu oesulger oosulezo eui UMOPMO S gt 091 1onpoid meu eui 29 2 SI poled s ejpped eu sew OL ejpped ay sjoslep esneoeq v Lv Gz oesuogp o DESL 72 2 sexe eu Ap
39. 15 the motion of the transfer roller smooth Paper Travel 15 the distance of Ghost about 62 8 mm NO Clean heat roller or lt gt pressure roller YES lt OK gt END NO Is the spring of the pressurized roller normal cog NO Replace the spring of the pressurized roller YES Cop s YES END NO Is heat lamp in fuser unit normal Cod NO Heat lamp replace YES od YES END 15 thermistor in fuser unit normal od NO Thermistor replace YES og YES END NO Go to POWER SUPPLY BOARD SECTION 88 KX FL612CX KX FL612CX S 6 5 7 2 DARK OR WHITE VERTICAL LINE Is the lower glass dirty NO Clean the lower glass Paper YES lt OK gt END Travel NO Y YES YES Cod END ls the heat roller or the pressurized roller The scratch and dirt of the heat roller abnormal The scratch and dirt of the pressurized roller og NO Replace the heat roller or the pressurized roller YES YES END Is the reflecting mirror dirty NO gt Clean the reflecting mirror YES YES END Is the lens surface of LSU dirty Clean the lens surface of LSU YES END Goto LSU SECTION Note When wiping the lower glass reflecting mirror and LSU lens use a dry and soft cloth CROSS REFERENCE LSU SECTION P 137 89 KX FL612CX KX FL612CX S 6 5 7 3 Drum unit replace YES m lt c NO Is the driving gear normal Aren t there any flaw
40. 2 ON High Speed 3 ON Low Speed CALL SERVICE 4 Does the FAN Is 22V output Is 5V output No run in the from the from the FAN TEST 22 CN602 3pin IC605 92pin Is the pulse output from the CN602 2pin Is the pulse input into IC605 91pin Check from Q602 Replace the FAN R618 R624 F600 Replace IC605 Q603 and R621 Does the FAN No Is 5V output run in the D from the AN TEST 32 IC605 94pin Y Check from Q604 R622 R623 Q605 Is the pulse and 8601 input into IC605 91 pin Check R602 R619 and C610 Replace IC605 87 KX FL612CX KX FL612CX S 6 5 7 PRINT 6 5 7 1 GHOST IMAGE Ghost Drum unit replace YES m NO is the distance of Ghost NO about 75 4 mm 3 0 inches Is there a scratch on the transfer roller YES 15 the spring of the transfer roller normal the transfer roller and the blade spring Check whether the transfer roller touches the spring or not touching each other NO Replace the abnormal parts of the transfer unit YES cod YES END NO Is the transfer high voltage terminal contacting m YES Replace the abnormal parts of the transcription high voltage terminal END Go to HIGH VOLTAGE SECTION CROSS REFERENCE HIGH VOLTAGE SECTION P 140 POWER SUPPLY BOARD SECTION P 144 Distance
41. SECTION Are the glass surface of the contact image sensor CIS and the white Clean the location in question panel on the back of the operation block clean Conduct a scanner test in service mode 555 Refer to TEST FUNCTIONS NO YES Is pin 6 of CN608 on the digital board at 0 V Check the image senser NO Check IC605 on the digital board Is the LED lit Is pin 15 of IC605 on the digital board at 4to5V Check Q618 R748 on the digital board Is pin 3 of CN608 on the digital board at 4 to 5 V Is pin 12 of IC605 on the digital board at 0 V Check 605 on the digital board Check Q619 R729 R730 and R731 on the digital board Observe the waveform at pin1 of CN608 Check the image sensor on the digital board with an oscilloscope while scanning the white panel Cycle time of scanning per line Approx 1 7 msec Approx 1V white level Output of scanning data of 1 728 dot Approx 1 msec 0V CROSS REFERENCE TEST FUNCTIONS P 64 138 KX FL612CX KX FL612CX S 6 5 15 HIGH VOLTAGE VALUE CHECK POINT Measurement Procedure 1 Open the TOP cover 2 Remove the developing unit if it is equipped 3 Open the TOP cover and turn ON the TOP cover SW Push the TOP cover SW with a sharp tipped insulator or insert folded paper etc to the slit 4 The unit enters the service mode when the TOP cover is open then push 628 Don t push th
42. VSAG IC201 1212 BEAD S 5600 1 8 2 C213 E 4 R200 R205 ATA K3900p AW W T201 C253 10K R217 NR E 1 518 5 2 50V2 2u amp S 10K S EVA 5 R232 1210 9 1 4 2 NC E 8 ATs 8 yh REH 14 5dBm 33 A ab ta 5 AG C250 atu wis 868 NS cm J100p D202 R248 2 2K oe 0502 ET NE Tr 3 8 ye L a NC 1218 4 7 L R240 ANY Hop C326 10 R246 Sta 10K 5 W F924 110K C296 Sse IC202 S22 C24 M7 1 1 8S a n C219 T 4 amp 11 59 5 R224 J270p 2 7 1 2 R208 i AEN w 328 Bo R222 m 3 5 MW C305 Q215 pap 130K 5 Lh NC NC 2 4100 RES s e Ex 5 2 2 5 8 of s 8 sl 1257 _ BEAD 1201 0 218 878 J200 42020 R329 a ir 5VA 4212 0 oh AW L259 magi C314 J211 1213 0 3 n g a BEAD 1 K4700p 1 IC208
43. or the paper may jam 5 Attach the paper tray cover 17 6 Push the tension plate back To use A4 size paper Insert the tabs on the A4 paper guides 11 into the slots e L is shown on the A4 paper guide for the left side R is shown on the A4 paper guide for the right side Note e When you use letter or legal paper you do not need to install the A4 paper guides e Change the recording paper size to A4 feature 16 KX FL612CX KX FL612CX S KX FL612CX KX FL612CX S 3 3 0 DOCUMENTS THE UNIT CAN SEND 3 3 6 1 USING THE ADF AUTO DOCUMENT FEEDER Minimum document size Maximum document size Effecteve scanning area ax Lr mm E ES o 38 4 mm 28mm x d 5 4 mm 4 mm 216 208 mm 8 3 16 8 1 2 216 mm 8 1 2 Note e Remove chips staples or other similar fasteners e Do not send the following types of documents Use copies for fax transmission Chemically treated paper such as carbon or carbonless duplicating paper Electrostatically charged paper Badly curled creased or torn paper Paper with a coated surface Paper with a faint image Paper with printing on the opposite side that can be seen through the other side i e newspaper Note for the auto document feeder and the scanner glass e Check that ink paste or correction fluid has dried completely e To transmit the document with a width of less than A4 size 210 mm
44. ph PQZZ2K12Z EXTENSION CORD 2P a303 Serr 2E PQZZ3K5Z EXTENSION CORD 3P TT PFZZFL501M EXTENSION CORD 5P T XE PQZZ8K15Z EXTENSION CORD 8P 1242 NS PFZZFL501M PROGRAM R207 ERDS2 TJO m 79811245 0 BASIC FACSIMILE TECHNIQUE R208 EROS2TKF6801 6 8k for training service R209 EROS2TKF1801 1 8 technicians R212 EROS2TKF3301 3 3k R213 ERDS2TJ221 220 Note JERDS2TJ102 Auk Tools and Extension Cords are useful for servicing R215 ERDS2TJ562 5 6k FUSES They make servicing easy F101 PFBA215315 FUSE S A 241 KX FL612CX KX FL612CX S 13 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 Photo Diode x Important safety notice Components identified by A mark have special characteristics important for safety When replacing any of these components use only the manufacturer s specified parts 242 KX FL612CX KX FL612CX S Memo 243 KX FL612CX KX FL612CX S oozve LE 82 ZZ 92 52 ud 22 2 6L FOORE TREZESTE ssss 0 2 DONY dL 699 699
45. some value Error code No 68 Echo NO YES Decrease the 596 Transmit level set from 10 dBm to Change the 718 Receive 12 dBm or sori value speed select to 12000 9600 7200 4800 or 2400 bps Ask the sender to change Increase the TX level Change the TX equalizer Note 596 Transmit level set represents a service code Refer to the SERVICE FUNCTION TABLE P 62 718 Receive speed select represents a service code Refer to the SERVICE FUNCTION TABLE P 62 112 KX FL612CX KX FL612CX S For the receiving problem we have thought of causes other than in the software Some causes may be when the fax changes to the memory receiving mode for example when out of paper and the memory becomes full of the unprinted fax data In this case MEMORY FULL and its main cause for example OUT OF PAPER are displayed on the LCD Accordingly by solving the main problem MEMORY FULL can be canceled and the receiving problem can solved Please refer to USER RECOVERABLE ERRORS P 59 for the above items Also when it actually becomes a hardware deformity please check each sensor 6 5 10 1 4 THE UNIT CAN COPY BUT CANNOT TRANSMIT RECEIVE Without connecting the unit to a telephone line perform a modem test Is a signal audible from the handset or speakerphone Refer to TEST FUNCTIONS Connect a PBX and TEL line and go to the off hook status Is the signal at pin Check the trace betwee
46. sounds to indicate that Three short high pitched beeps Pi Pi Pi sound if the service setting mode has been activated an invalid code was entered If this happens reenter the correct code Enter the 1 to 3 digit code PROGRAM MODE Three short high pitched beeps Pi Pi Pi sound if TABLE of the desired function and then an invalid value was entered If this happens press set reenter the correct value Two short high pitched beeps Pi Pi sound to indicate that the setting is complete Obtain a list 991 Set up list 999 Service list to confirm that the changes were made correctly To make another setting To quit the remote programming mode ask the customer the call should still be connected to press the STOP key to return END the machine to the normal mode Then hang up the phone CROSS REFERENCE PROGRAM MODE TABLE P 69 68 KX FL612CX KX FL612CX S 6 4 2 PROGRAM MODE TABLE Code Function Set Value Default Remote Setting N N N Set date and time G Y G 003 Your fax telephone number G 006 JFAXringcout ft to rings 22 G OK G G OK OK 2 FF 023 Overseas mode TNEXTFAX ZERROR 3OFF ERROR 032 Fax ring 7 TB D 2A 3B 4C 5D 529 Memory clear for Call Service 7 N set 50 Memory cear Pe N 5 ROM check 22 552 553 554 Modemtest
47. 1 Part No Remarks Part Name amp Description PFMD1065Z COVER 11692 RUBBER PARTS FOOT LPA1603K LASER UNIT PQLB1E1 INSULATOR PFJP03S04Z AC SOCKET 100102 CASE COVER PQHR945Z BAND PFJS02P02Z CONNECTOR 06 251508 INSULATOR WLR18YK26CM4 LEAD WIRE PFJS02P34Z CONNECTOR PFJS08P31Z CONNECTOR 10212 LEAD WIRE PFJS06P30Z CONNECTOR 6P 0514312 COIL SPRING PFJS04P28Z CONNECTOR PFJS05P29Z CONNECTOR 5P 0514492 COIL SPRING XWC4B WASHER 12 1 8 LOWER MAIN CABINET SECTION Part No Part Name amp Description Remarks PFDS1014Z ROLLER PRESSURE PFA 2 PFDJ1066Y SPACER PRESSURE ROLLER Ref Part No Part Name amp Description Remarks 0514262 COIL SPRING No PFUA1044Z CHASSIS FUSER PBT ABS 210 PFUE1015Z PLASTIC PARTS ABS A4DP7K000001 HEATER 211 PFUS1450Z TORSION SPRING 13012 GEAR HEAT ROLLER 212 WLL20YG24M3M LEAD WIRE 210652 SPACER HEAT ROLLER 213 PFUS1028Z LEAF SPRING PFDS1011Y ROLLER HEAT 214 0 10052 MIRROR PFDJ1064Z SPACER HEAT ROLLER 215 PFUS1
48. 27 of IC609 output 15 the control signal from pin 90 of IC605 L YES Check the solder of NO Q611 OK YES Check the solder of NO R716 R718 OK YES Change Q611 Is the phase exitation NO pins 2 7 8 13 of IC609 output NO 5 Is the phase exitation pins 1 2 3 4 of CN609 output YES Change MAIN MOTOR Y Is the phase signal from NO pins 83 84 85 86 of IC605 output Check the solder of NO _ IC605 OK YES NO wes Change Digital Board 5 gt Replace 605 OK Check the solder of 823162416251626 Repair 135 NO Repair Repair Repair m gt Replace IC609 Change Digital Board Repair KX FL612CX KX FL612CX S Replace IC605 KX FL612CX KX FL612CX S 6 5 13 6 2 ADF MOTOR ADF MOTOR Go to DIGITAL PCB Is the control signal from pin 25 of IC606 output Change DIGITAL PCB Change F605 OK NO Check the voltage of F605 24 10 Replace 606 When the signal of pin 25 of IC606 is High check the Is F605 open NO voltage of pin 1 of CN610 24V Go to SMPS section Check the solder of R604 R605 OK YES NO Change Q606 or Q602 OK Change DIGITAL PCB Is the
49. 5 NOTUSED 7 ___ 5 INPUTPORT EXHOOK 11 5 INPUT FROM EXIT SENSOR ISENINTAOPOT 5 INPUTFROM REGIST SENSOR 153 KX FL612CX KX FL61 2cx s M SIGNAL POWER SUPPLY EXPLANATION VOLTAGE L5 EENNZIRG 7 _ 11 5 X NPUTPORTTNREM 8 IOPESXCBUSYIT o 5 9 IOP 4XCBUSY o 5 NOTUSED 7 10 OP3OXHSYNO __ 1 5 INPUT PORT XHSYNC ___ ______ oet Jo 85V NOTUSD 1 oP323 10 5 OUTPUT PORT CISON 7 15 0 _ 5 JOUTPUTPORT CISLEDON 16 OP34 fo 5 77 5 QJOUTPUTPORTPICKU i8 Jope 70 5 NOTUSD 19 OP7 Jo NNOTUSD 20 jop NOTUSD 21 1 o 57 NOTUSD 22 oP2 0 v JOUTPUTPORT OPERS 23 v OUTPUT PORTVOLO 24 5 27 0 5 ANALOG ASIC 28 0 5 ANALOG ASIC CONTROL 29 12 0 5 ANALOG ASIC CONTROL 30 jop v 91 jop 0 5 X lOUTPUTPORTSPMHUTE 32 047 33 11 85V X WNPUTPORTHOOQ 34 o 0O v X JOUTPUTPORTLEDOTI 35 OP 1 5 MNPUTPORTPAPER 36 jiopss 0 5v OUTPUT PORT PDWN 7
50. 58 KX FL612CX KX FL612CX S 6 TROUBLESHOOTING GUIDE 61 USER RECOVERABLE ERRORS If the unit detects a problem one or more of the following messages will appear on the display The explanations given in the are for servicemen only DISPLAY MESSAGE CAUSE AND REMEDY B e Polygon motor error CALL SERVICE 1 Refer to CALL SERVICE 1 P 84 e Laser beam error Replace LSU unit Refer to CALL SERVICE 2 P 85 e Fuser unit cannot heat up Replace fuser unit Refer to CALL SERVICE 3 P 86 e Fan motor error Replace fan motor Refer to CALL SERVICE 4 P 87 e There is something wrong with the drum unit Replace the drum unit and the toner cartridge CALL SERVICE 2 CALL SERVICE 3 CALL SERVICE 4 CHANGE DRUM MEN CHANGE SUPPLIES e The document is not fed into the unit properly Reinsert the document If misfeeding occurs frequently CHECK DOCUMENT clean the document feeder rollers and try again e The drum unit is not inserted properly Reinsert it correctly CHECK DRUM E e The installed drum is worn out Replace the drum unit with a new one e The memory telephone numbers parameters etc has been erased Re program CHECK MEMORY e The front cover is open Close it COVER OPEN e There is no space to store new entries in navigator directory Erase unnecessary entries DIRECTORY FULL DRUM LIFE OVER e The drum life is complete Replace the drum unit immediately REPLA
51. 78 DIGITAL BOARD SECTION P 208 POWER SUPPLY BOARD SECTION P 144 76 6 5 3 INITIALIZATION KX FL612CX KX FL612CX S There are two types of initialization one is the short initialization about 3 seconds and the other is the long initialization about 10 seconds The short initialization makes the unit enter the standby mode The long initialization makes the unit enter the standby mode after cleaning or detecting the rest of toner Getting to the Initialization Flowing Chart The top cover is closed while the power is ON or the power is turned ON while the top cover is closed Isn t the registration sensor or paper exit sensor turned ON lt NO PAPER JAMMED is displayed YES Has DRUM UNIT been set lt gt Ne CHECK is displayed YES Is it the initialization after PAPER JAM Is it the initialization during TONER LOW Is it the initialization after removing DRUM UNIT NO YES Initialization SHORT Initialization LONG Isn t the unit TONER LOW Standby mode Standby mode lt gt YES 77 CHANGE SUPPLY and TONER LOW are displayed KX FL612CX KX FL612CX S 6 5 4 SIMPLE CHECK LIST SERIAL NO DATE Transmission FAX operation Receiving Handset transceiver receiver MONITOR sound Telephone operation Ringer sound Dial operation Volume operation Key check Service code 561 Operation panel LED check Service code 55
52. CLUTCH is on the CAM of GEAR PICKUP PAPER e When the tip of LEVER PICK UP CLUTCH returns to CAM s home position the GEAR CLUTCH RING is unhooked then the GEAR PICKUP PAPER is stopped 30 KX FL612CX KX FL612CX S 4 4 SCANNING ADF RUBBER SEPARATION ROLLER SEPARATION GEAR CLUTCH ASSY GEAR DOCUMENT FEED k p d 7 7 4 GEAR PLANET GEAR IDLER 26 SWING ARM I GEAR PLANET SW NG ARM MOTOR PINION e DOCUMENT TRANSMISSION ADF When the tip of the document is set to a point of contact between the separation roller and the separation pad through the document feed roller then the document is fed there separately The document feed roller carries the document and the CIS reads it through the glass The document is exited through the document feed roller 31 KX FL612CX KX FL612CX S 4 5 MAINTENANCE If a black line a white line or a dirty pattern appears on your recording paper on your original or on the fax document received by the other party clean the white plate scanner glass and lower glass 4 5 1 CLEANING THE INSIDE OF THE UNIT If any of the following problems occurs clean the inside of the unit Document frequently misfeed Black line a white line or a dirty pattern appear on the original document when sending or copying Caution e Be careful when handling the drum and tone
53. CONTROL CIRCUIT The temperature of the fixing part of the Fixing Unit is converted to a vollage by THERMISTOR and input to IC606 4pin The heater turns ON OFF the photo coupler PC102 at the heater control port IC606 29pin and is turned ON OFF at the triac SCR101 And two thermostats are set on the AC line as the safety devices Circuit Diagram SMPS P C B 5V AC N S 3 THERMO STAT2 C116 R121 THERMO STAT CET LUMP Fea HERE 3 gt CN52 199 SENSOR 2 HTRCTL Safety Circuit THRM1 CN604 637 R636 C627 626 1 Control at Printing a After the printing signal is received turn ON the heater b After that turn ON the motor at the Primary Stable Temperature 150 C c After that control at the Secondary Stable temperature 160 C and feed papers 188 Kx FL612CX KX FL612CX S 0 86 peyoes 1 1 BY jo 2 ejewpieu peddoijs eq pinous eq ueo ueuM 9 uono leq Buunp si 10 X3HLO Jo u uA uono l q Buunp eAoqe 20 2 022 ueuM p
54. Check the connection of signal line and check the soldering at R745 R746 Digital Board Check the voltage at pin 37 of IC605 again NG Replace SW101 Replace IC605 132 5 Check the DRUM sensor Check the voltage at pin 16 of IC605 Digital Board No DRUM 0V DRUM set 4 5V Replace IC605 6 Check the regist sensor Check the voltage at pin 5 of IC605 Digital Board Sensor lever released 0V Recording paper regist Sensor lever pressed 4 5V No recording paper Replace IC605 7 Check the paper sensor Check the voltage at pin 35 of 605 Digital Board Sensor lever pressed 0V Recording paper set Sensor lever released 4 5V No recording paper Replace IC605 8 Check the exit switch Check the voltage at pin 4 of IC605 Digital Board Sensor lever released 0V Paper passing Sensor lever pressed 4 5V No paper Replace IC605 TT CHECK DRUM Check the connection of signal line and check the soldering at R612 R614 Digital Board Check the voltage at pin 16 of IC605 again Replace SW60 FAILED PICKUP Check the connection of signal line and check the soldering at R616 R620 R617 Digital Board Check the voltage at pin 5 of IC605 again NG Replace PS601 OUT OF PAPER Check the connection of signal line and check the soldering at R610 R61 1
55. DTMF signal will not work 6 3 2 BUTTON CODE TABLE NO INPUT STOP RESOLUTION FAX START LOWER COPY START MONITOR HANDSET MUTE AUTO ANSWER NAVIGATOR NEXT NAVIGATOR PREV MENU HELP DIRECTORY PROGRAM VOLUME VOLUME REDIAL PAUSE FLASH CALLER ID SEARCH JUNK FAX PROHIBITOR 66 QUICK SCAN CALLER ID PRINT COLLATE BROADCAST 1 BROADCAST 2 MANUAL BROAD STATION 4 STATION 5 STATION 6 STATION 7 STATION 8 STATION 9 STATION 10 STATION 11 KX FL612CX KX FL612CX S 6 3 3 PRINT TEST PATTERN 1 NO 01 3 NO 12 2 NO 08 e These print test patterns are just image printing and different from actual ones When it is required to judge the print quality compare with the printing of a nondefective machine 67 KX FL612CX KX FL612CX S 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 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 P 69 The functio
56. E g the caller inter rupted the transmission NO Was it a mechanical error as mentioned above Ask the service section for the caller s FAX machine to confirm the machine s condition Have the caller transmit the data again 300BPS error Modem error Check the modem peripheral s hardware 124 DCN is received after FTT transmission There is no response at the other party after MCF or CFR is transmitted DCN is received after CFR transmission Confirm if a mechanical problem occurred E g the caller inter rupted the transmission NO Was it a mechanical error as mentioned above Ask the caller to transmit the data again DCN responds to the post message Confirm if a mechanical problem occurred E g the receiver inter rupted the reception YES Was it a mechanical error as mentioned above Perform voice communication with the NG receiver Ask the receiver to set the receiver s FAX machine to the receive mode and communi cate again Check if the line was not inter rupted by noises or cross talk If not wait until the line is able to perform correct com munication 125 KX FL612CX KX FL612CX S KX FL612CX KX FL612CX S Modem test Refer to TEST FUNCTIONS CROSS REFERENCE TEST FUNCTIONS P 64 Polling is not possible Confirm if a mechanical problem occurred E g transmission was interrupted t
57. HOW TO REMOVE THE SOLENOID P 53 HOW TO REMOVE THE HANDSET HOLDER P 53 HOW TO REMOVE THE MAIN MOTOR P 54 0 HOW TO REMOVE THE FUSER UNIT P 55 HOW TO REMOVE THE CIS P 56 42 7 3 Power Board B 2 Remove the Speaker B 4 Remove the Laser unit B 8 Remove the Handset Holder B 2 Remove the Analog Board B 4 f B 7 B 9 Remove the Main Motor Remove the Digital Board Remove the Solenoid KX FL612CX KX FL612CX S 5 3 HOW TO REMOVE THE OPERATION PANEL ASS Y PROCEDURE A 1 1 Open the Front Cover 2 Insert the small screwdriver as illustrated in Fig 1 3 Close the Front Cover with the screwdriver remaining like Fig 2 and raise it with the screwdriver 4 Lift up the Front Cover Fig 3 When disassembling the Front Cover turn the unit on its side as shown in Fig 4 43 KX FL612CX KX FL612CX S 5 4 HOW TO REMOVE THE PICK UP UNIT PROCEDURE 1 gt 2 2 1 Pull the tension plate the derection of the arrow 2 Remove the 4 screws A 3 Lift up the Pick up 5 4 5 Remove the 2 spacers Remove the Paper Feed Roller Paper Feed Roller 44 Document Tray Cover Q A gal Tension Plate KX FL612CX KX FL612CX S 5 5 HOW TO REMOVE THE PICK UP ROLLER 1 Remove the 2 screws A 2 Remove the Pick
58. No Part Name amp Description Remarks No PCB3 PFWP2FL511M OPERATION BOARD ASS Y RTL PCB3 1 KOL1AA000001 SWITCH SET ICs IC101 C1ZBZ0002089 DIODES LED101 PQVDSLR325MC DIODE s LED102 PQVDR325CA47 DIODE S D101 155133 DIODE s D102 155133 DIODE s D103 155133 DIODE s CAPACITOS C103 1 101 100 s C104 ECUV1C104ZFV 0 1 C105 ECUV1C104ZFV 0 1 C106 ECUV1H103KBV 0 01 C110 ECUV1C104ZFV 0 1 111 ECUV1C104ZFV 0 1 C112 1 5100 10 s C115 ECUV1H101JCV 100 C117 ECUV1H101JCV 100p C118 ECUV1H101JCV 100p C119 ECUV1H103KBV 0 01 C120 ECUV1C104ZFV 0 1 239 Part No Part Name amp Description Remarks ECUV1C104ZFV 0 1 ECUV1C104ZFV 0 1 ECUV1H101JCV 100 ECUV1H101JCV 100 ECUV1H101JCV 100 1 101 100 ECUV1C104ZFV 0 1 ECUV1C104ZFV 0 1 LIQUID CRYSTAL DISPLAY L5DAAFB00001 LCD CONNECTOS PQJP8G43Y CONNECTOR 8P PHOTO ELECTRIC TRANSDUCER CNA1006N PHOTO SENSOR RESISTORS ERJ3GEYOROO 0 ERJ3GEYOROO 0 ERJ3GEYOROO 0 ERJ3GEYOROO 0 ERJ3GEYJ123 12k ERJ3GEYJ181 180 ERJ3GEYJ123 12k ERJ3GEYJ181 180 ERJ3GEYJ123 12k ERJ3GEYJ181 180 ERJ3GEYJ181 180 ERJ3GEYJ181 180 ERJ3GEYJ181 180 ERJ3GEYJ181 180 ERJ3GEYJ181 180 ERJ3GEYJ181 180 ERJ3GEYJ181 180 ERJ3GEYJ181 180 ERJ3GEYJ563 56k ERJ3GEYJ331 330 ERJ3GEYJ472 4 7k ERJ3GEYJ123 12k ERJ3GEYJ103 10k ERJ3GEYJ223 22k ERJ3GEYOROO 0 ERJ3GEYJ10
59. R613 Digital Board Check the voltage at pin 35 of IC605 again NG Replace PS600 PAPER JAMMED Check the connection of signal line and check the soldering at R630 R631 R632 L646 L647 Digital Board Check the voltage at pin 4 of 605 again NG Replace PS51 133 KX FL612CX KX FL612CX S KX FL612CX KX FL612CX S 9 Check the toner sensor TONER LOW CHANGE DRUM As for the following check remove the drum from the main body set it again and close the cover then perform that check during initializing operation Refer to SENSORS AND SWITCHES SECTION P 175 Check the connection of signal line and check the soldering at R609 R615 Digital Board Check the voltage at pin 7 of IC605 again Check the waveform at pin 7 of 605 Digital Board the voltage changes between 0 and 5V Referto SENSOR AND SWITCHES SECTION Replace IC605 Replace IC60 CROSS REFERENCE SENSORS AND SWITCHES SECTION P 175 134 6 5 13 6 MOTOR SECTION 6 5 13 6 1 ENGINE MOTOR ENGINE MOTOR Y Go to DIGITAL PCB y Is F604 open EXER NO Change F604 OK NO Y NO Is the reference voltage of pin 22 of IC609 4 820 2V YES 4 YES Check the solder of IC605 OK YES Is the phase signal from pins 16 17 26
60. Replace the charged high voltage terminal T YES YES END Is the development high voltage terminal contacting stably NO Replace the development high voltage Cog terminal YES Y YES Y END Go to HIGH VOLTAGE SECTION CROSS REFERENCE HIGH VOLTAGE SECTION P 140 KX FL612CX KX FL612CX S Paper Travel 6 5 7 8 BLANK PRINT Drum unit replace NO Check LSU Replace the LSU YES Check Digital Board 6 5 7 9 BLACK OR WHITE POINT END Paper Travel Is the exit roller dirty Clean the exit roller END Paper Travel 95 Replace the heat roller or pressure roller KX FL612CX KX FL612CX S 6 5 8 RECORDING PAPER FEED 6 5 8 1 MULTIPLE FEED Is Pick up roller Dirty Clean or replace the Pick up roller YES END Make sure that the separation rubber is set property Check the separation rubber Replace the separation rubber unit END 6 5 8 2 THE RECORDING PAPER IS WAVED OR WRINKLED Clean or replace the pressure roller cog Is Pressure roller Dirty END Check the spring of pressure roller Replace the spring of pressure roller YES END Replace the Heat roller 96 6 5 8 3 SKEW Is Pick up roller Dirty Clean or replace the Pick up roller YES END Is Regist roller Dirty YES Replace the LSU Laser Scan Unit 97 KX FL612CX KX FL612CX
61. S KX FL612CX KX FL612CX S 6 5 8 4 THE RECORDING PAPER DOES NOT FEED Check the pickup roller rotation NO Check the solenoid Check the resist roller rotation NO Check the driving block YES Rotation OK NO Distortion or broken gear by visual check Is the pickup roller dirty Clean the pickup roller Replace the Lever Check the resister lever move Go to SENSOR SECTION Repair the solenoid Replace the separation roller unit NO Replace the gear YES Check the connector for the motor and circuit wiring Go to MOTOR SECTION CROSS REFERENCE SENSOR SECTION P 132 MOTOR SECTION P 135 6 5 8 5 Is the pressure roller dirty No Is the heat roller dirty No Does the separation rubber have dirt or cracks No Is there dust on the recording paper path No Does the register roller work properly Yes Are the gears distorted or broken No Does the motor work properly Yes Does the register sensor lever work properly Yes Does the register sensor work properly Yes Does the exit sensor lever work properly Yes Does the exit sensor work properly CROSS REFERENCE PAPER EXIT SENSOR PAPER JAMMED P 179 FAN MOTOR SECTION P 170 REGIST SENSOR P 178 When the recording paper jam is occurr
62. S CONTENTS Page 1 INTRODUCTION 4 1 1 ABOUT LEAD FREE SOLDER PDF Pb free 4 1 2 HOW TO RECOGNISE THAT Pb FREE SOLDER IS USED q J ps Am 5 1 3 SAFETY PRECAUTIONS J 6 1 4 INSULATION RESISTANCE TEST J 6 1 5 FOR SERVICE TECHNICIANS qJ JD s 6 1 6 BATTERY CAUTION m 6 1 7 AC CAUTION qs J J Tswj 7 1 8 PERSONAL SAFETY PRECAUTIONS 7 1 9 SERVICE PRECAUTIONS MM 9 1 10 FOR BEST PERFORMANCE m 9 2 FEATURES AND SPECIFICATIONS sF5 10 2 1 FEATURES s rS A 10 2 2 SPECIFICATIONS nennen 11 2 3 OPTIONAL ACCESSORIES 11 INSTALLATION s 12 3 1 LOCATION OF CONTROLS M 12 3 2 CONNECTIONS Cp Js IY 14 3 8 INSTALLATION J NTsp qF ss 15 4 MAINTENANCE 27 4 1 MAINTENANCE ITEMS AND COMPONENT LOCATIONS 27 4 2 PRINTING 29 4 3 PRINTING PAPER PICK 30 4 4 SCANNING ADF gt 31 4 5 2 32 4 6 DOCUMENT JAMS 35 4 7 RECORDING PAPER JAMS 36 5 DISASSEMBLY INSTRUCTIONS
63. TO REMOVE THE HIGH VOLTAGE POWER BOARD REF NO B 3 1 Remove the 6 screws A 2 Remove the connector A 3 Remove the H V P S High Voltage Power Board y lt lt lt 5 14 HOW TO REMOVE THE LASER UNIT REF NO B 4 1 Remove the 3 screws A 2 Remove the connector A and B 3 Remove the Laser unit Laser unit connector A connector B 51 KX FL612CX KX FL612CX S KX FL612CX KX FL612CX S 5 15 HOW TO REMOVE THE FAN UNIT PROCEDURE 1 gt 3 gt 2 gt 4 gt B 5 REF NO B 5 1 Remove the 2 screws A 2 Remove the connector A 3 Remove the Fan unit 4 Remove the screw A 5 Remove the connector B 6 Remove the Document Feed Motor 1 Document Feed Motor connector B Iconnector A Fan unit 2 YY SZ i Lc 0 PROCEDURE 1 gt 2 gt 4 gt 6 REF NO B 6 1 Remove the screw B and connector A 2 Remove the AC Inlet 3 Remove the connector B and C connector B 4 Remove the 4 screws A 5 Remove the Power Board Low Voltage Power Board connector A lt connector C 52 KX FL612CX KX FL612CX S 5 17 HOW TO REMOVE THE SOLENOID PROCEDURE B 1 gt B 2 gt B 4 gt B 7 REF NO B 7 connectors A congectors 1 Remove the 4 screws A 2 Remove the 10 connectors 3 Remove the Digital Boar
64. TP RST If this voltage is 3 3V go next step If not there are probably problems at IC606 IC608 and these peripheral circuit 4 Check each signal line Check that no short open or other failures are found in the following signal Check also the resistance and resistance array on their ways D 00 015 A0 A12 RBAO RBA6 XRD XWR XROMCS SDRAM I F SDCS SDWE SDRAS SDCAS SDDQML SDDQMU G A IC605 I F CS INT CLK 5 Replace the ICs When no failures are found in the soldering replace the Ics in order below 1 IC607 ROM 2 IC608 SDRAM 3 IC605 G A 4 IC606 ASIC CROSS REFERENCE NG EXAMPLE P 209 POWER SUPPLY BOARD SECTION P 144 127 KX FL612CX KX FL612CX S 6 5 13 ANALOG This chapter provides BOARD SECTION 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 You can trace the signal with an oscilloscope The signal flow on each route is shown in the Check Sheet here If you find a specific problem in the unit for example if you cannot communicate with the H S trace that signal route locally with the following Check Sheet and locate the faulty point 6 5 13 1 CHECK SYMPTOM CHECK ITEMS MONITOR HANDSET Tx HANDSET Rx DTMF for TEL L
65. This IC is controlled by ASIC IC606 through GATE ARRAY IC605 on the digital board LINEOUT EXTOUT MU MSS 0 6 124 MUTE2 I 0 1 2 3dB 0 1 2 3 4 5 6 7i BdB amp H m m 8 LNOXOA Tamma LNIOINSH No EXTIN Ext amp output 1 jSrobeinut O 2 JjOockinut S 3 DATA Data input 6 VOXDET _ detection adjustment V 8 1 5 logic ground 12 HSreceiverampinput 17 ____ TR DD SS NC CC NC 158 3 6 Line amp input KX FL612CX KX FL612CX S 7 3 4 2 DESCRIPTION OF BLOCK DIAGRAM IN ANALOG SECTION 1 Function The analog section works as an interface between the telephone line The analog ASIC IC207 on the analog board exchanges FAX TX and RX signals between the MODEM 600 and the analog section The control signals transmitted to the analog section are output mainly from G A 605 and the analog status is stored as data in G A IC605 2 Circuit Operation NCU Network Control Unit the NCU comprises of the following DC loop forming circuit to connect with the telephone line Switching circuit for other interconnected telephones Bell det
66. 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 Electrostatic Discharge 1 10 FOR BEST PERFORMANCE e To extend the life of the drum unit the unit should never be turned OFF immediately after printing Leave the power turned ON for a minimum of 30 minutes after printing e In the printing process heat is used to fuse toner onto the page As a result it is normal for the machine to produce an odor during and shortly after printing Be sure to use this unit in an area with proper ventilation e Do not cover slots or openings on the unit Inspect the air circulation vents regularly and remove any dust build up with a vacuum cleaner e f the inside of the unit is dirty clean it with a soft and dry cloth especially the lower glass e When replacing the toner cartridge or drum unit do not allow dust water or liquids to come in contact with the drum This may affect print quality e Store unused paper in the original packaging in a cool and dry place Not doing so may affect print quality e Do not place the unit in an area where the paper tray may be obstructed i e by a wall etc e Keep the air circulation vents away from walls etc more than 50 mm 1 31 to let the unit c
67. and in accordance with the laws 19021 PUSH BUTTON DIAL ABS HP 2 128551 PANEL LCD governing parts and product retention SEGUIDISZ COVERT TEL CARD After the end of this period the assembly will no longer be PFGD10502 CARD TEL NO available PFGG122521 GRILL SUB PS HB PFGB1003Z3 BADGE 2 Important safety notice 10092 RING NAVI ABS HB Components identified by mark have special PEGGI2248T _ GRIDDE OPERATION ESSHS characteristics important for safety When replacing any of these components use only manufacture s specified parts 3 The S mark means the part is one of some identical parts Part No Part Name amp Description Remarks For that reason it may be different from the installed part PFUS1444Z SPRING ERATH DOC A 4 15 code Example 5 ABS HB of the remarks column PFDG1320Z GEAR DOC FEED ROLLER POM shows quality of the material and a flame resisting grade 210062 SPACER ROLLER POM about plastics PFZRFL511M ROLLER ASS Y PFUS1506Z SPRING 5 RESISTORS CAPACITORS Not used Unless otherwise specified 72 LEAF SERING PFUS1443Z SPRING EARTH OP B All resistors are in ohms 10000 M 1000kQ 16792 COVER SHEET All capacitors are in MICRO FARADS uF P uuF 10032 COVER DISCHA
68. control signal from pins NO 21 22 23 24 of IC606 output Check the solder of IC606 OK YES Replace IC606 OK Does the control signal reach Check the solder of L617 pins 1 2 3 4 of IC610 input L618 L619 L620 YES Check the solder of IC610 OK YES Change DIGITAL PCB Check the solder of IC606 Is the control signal from pins 13 14 15 16 of IC610 Replace IC610 output Replace the Motor 136 KX FL612CX KX FL612CX S 6 5 13 7 LSU SECTION LSU Is the voltage at pin 5 NO of CN611 about 24V Chack reaS YES Is the voltage at pin 6 NO of CN612 about 5V Check L630 YES Does the POLYGON NO ke NO Is the solder at pin YES Replace IC606 MOTOR rotate 30 31 of IC606 OK 30 31 of IC606 ENT output NO Is the solder at Repair Q612 and Q621 OK Replace Q612 Q621 OK NO Replace LSU Is the voltage at pin 32 of IC606 about 0V YES Is the signal from Is the signal from pins 2 3 4 of CN612 pins 80 81 82 of output Refer to 605 output Refer LSU wave form to LSU wave form Is the signal pins 77 78 79 of IC605 NO Repair or Replace input Refer to LSU IC606 wave form YES YES YES Replace LSU Check the solder at Repair or Replace R742 R743 R744 L634 605 1635 and L636 CROSS REFERENCE LSU Laser Scanning Unit SECTION P 173 137 KX FL612CX KX FL612CX S 6 5 14 CIS Contact Image Sensor
69. i Sieu Bs 515 1 5 i nag E RU Bs SF STIS AM veto 30 o 1 Eg P 8 22 80 rot SO 1 5125 e A d 2020 81 1 H 2021 6620 9 9929 Ma i 9 90cd 1 i 1 1 020 vd T SO IVNV lt 2 Lee PENEN a na esas E Q vOZNO h 9 70201 5519 1 1 1 Ta i 8 i H di 6220 eT 1 93 occu 6199 gzgy i oozsod 102 6 E i022 st aq gt WOIW 9 QT iv min W H S amp gt doo19q IL 5218 2490 0890 i 002 8 i 5 coz 2l 0 teu 624 2 2220 Y 002AH F g NS T 1 00921 000 2 1 AM 2 6227 2529 9EZH 2620 L 0zNO Vid 160 KX FL612CX KX FL612CX S 7 4 SECTION 7 4 1 GENERAL This section is the interface between the telephone line and external telephone It is composed of an EXT TEL line relay RLY200 bell detection circuit TAM interface circuit line amplifier and side tone circuits and a multiplexer 7 4 2 EXT TEL LINE RELAY RLY200 1 Circuit Operation Normally this relay switches to the external telephone side break and switches to the open side make while OFF HOOK 10605 95 High Level CN600 27 High Level gt 201 2 High Level GQ212 ON RLY200 ON make 10605 93 LOW Level CN60
70. of temperature and humidity e Ambient temperature 10 C to 32 5 C e Relative humidity 20 to 8096 without condensation e Power cord length should be less than 5 meters 16 4 feet Using a longer cord may reduce the voltage or cause malfunctions e Avoid direct sunlight e Do not install near devices which contain magnets or generate magnetic fields e Do not subject the unit to strong physical shock or vibration e Keep the unit clean Dust accumulation can prevent the unit from functioning properly e To protect the unit from damage hold both sides when you move it e Do not place the unit in an area where the paper tray may be obstructed i e by a wall etc e Keep this surface m away from walls etc more than 50 mm to let the unit cool down 15 KX FL612CX KX FL612CX S 3 3 2 PAPER STACKER Line up the slots 2 in the paper stacker with the pegs 2 on the bottom of the unit then insert the two tabs of the paper stacker into the slots on the unit amp e Do not place the unit in an area where the paper stacker may be easily bumped into e Document and recording paper will be ejected from the front of the unit Do not place anything in front of the unit e The paper stacker can hold up to approximately 100 sheets of printed paper Remove the printed paper before the paper stacker becomes full 3 3 3 DOCUMENT STACKER Pull the document sta
71. of the unit goes up over a fixed one or depending on the number of printed papers frequency While the fan is rotating at high speed the voltage of Approx 21 V is supplied to the fan however while rotating at low speed the supply voltage is decreased to Approx 12V Each signal wave is as follows 1 High speed rotation typ 3000 rpm Q602 control signal 0604 control signal FAN supply voltage CN602 3p Rotation detection pulse CN602 2p 2 Low speed rotation typ 2200 rpm Q602 control signal Q604 control signal FAN supply voltage CN602 3p 5V GND GND Approx 21V GND GND 171 KX FL612CX KX FL612CX S 7 9 SOLENOID DRIVE SECTION The solenoid drive circuit controls the pick up clutch The solenoid is designed to be driven by 24V driven by IC605 17 pin Diode D600 protects Q607 from backward voltage when the solenoid is driven 24V SOLENOID 1 606 149 pin SOLENOID ON high level SOLENOID OFF 172 KX FL612CX KX FL612CX S 7 10 LSU Laser Scanning Unit SECTION POLYGON MOTOR LASER BEAM MIRROR SHUTTER The mechanical shutter will be opened by setting DRUM UNIT properly i Effective Printing Area 216mm Laser Beam f Lens Laser output 2 Laser reflecting on the drum Laser towards the effective printing outside range onto the sensor 173 KX FL612CX KX FL612CX S A
72. outputs the VIDEO signal to LSU PORT VO Port Interface 7 ANALOG UNIT Sends beep tones etc Convert the analog signal to the digital signal 8 MOTOR Controls the SCAN Motor 7 3 1 3 ROM 1C607 This 8MB FLASH ROM contains all of the program instructions on the unit operations 7 3 1 4 1 2 3 4 5 6 awe 2 22 5 7 3 1 5 GATE ARRAY 605 OPERATION PANEL Serial interface with Operation Panel ANALOG GATE ARRAY I F Controls the ANALOG GATE ARRAY MOTOR I F Controls the ENGINE Motor FAN Controls FAN MOTOR and detect the rotation of FAN MOTOR SENSOR I F Controls the LED and detect the sensor signal PORT I O Port Interface SYNCHRONOUS DYNAMIC RAM 1C604 This SDRAM is used for CPU work and receiving memory and page memory 7 3 1 6 MODEM IC600 Performs the modulation and the demodulation for FAX communication Detects the CALLER ID DTMF signal 7 3 1 7 FSK RECEIVER 602 Detects the CALLER ID FSK signal Description of Pin Distribution IC606 No VOLTAGE 6 ______ 53 8 0 O 9 1 HTC 32768KH2 O 10 B53VBATN 33VBATT SOURCE 3 3V LITHIUM BATTERY 11 XBACKEN 33VBATT BACKUP ENABLE CONNECT TO RESET LINE 12 RESCS2 CLKE OPO2 o 33VBATT
73. spring gear etc as well as the other rollers or parts When confirming if the characters are extended or distorted on if the feed problem occurs use this test chart Fig b Fig b CROSS REFERENCE MOTOR SECTION P 135 103 KX FL612CX KX FL612CX S 6 5 9 2 SKEW ADF Check whether the document is folded or if tape or staples are attached Also check whether a different size of document is set at the same time and the document guide is set correctly YES Reset the document END Check the document feed Check whether there are foreign route objects or missing parts 0 Clean replace the YES END defective parts OK Check each roller END Check if the separation feed and document feed rollers are attached correctly by a visual check NO Clean or replace the YES END defective roller Check each roller mount ail YES Check the distortion of YES END separation rubber Check the Separation spring NO Replace the Separation spring END YES Check the document guide NO mE Repair the defective parts m END Replace the document guide Check if there are foreign objects missing parts damage or abnormal installations 104 KX FL612CX KX FL612CX S 6 5 9 3 THE SENT FAX DATA IS SKEWED Copy the test pattern by ADF NO Is the test pattern OK CROSS REFERENCE Go to SKEW SKEW ADF P 104 6
74. the roller Clean or replace the pickup roller Dirty or failed the pickup rubber Clean or replace the separation rubber Dirty or failed the paper feed roller Clean or replace the regist roller Clean the recording paper path Replace LSU Over the max capacity of the recording paper Set up to MAX 150 sheets oo thick or too thin recording paper Use the recording paper from 16lb to 2416 THE RECORDING PAPER DOESNOT FEED F98 Failed the paper feed sensor lever Check the regist sensor paper top sensor lever ailed the paper feed sensor Failed LSU o o v o 5 3 o o D o D THE RECORDING PAPER Dirty or failed the pressure roller Clean or replace the pressure roller JAM P 99 PAPER Dirty or failed the heat roller Clean or replace the heat roller JAMMED ON THE LCD Dust on the recording paper path Clean the recording paper path ailed the paper feed roller Replace the regist roller ailed the gear Check the gear ailed the engine motor Go to ENGINE MOTOR P 135 ailed the paper feed sensor lever Check the regist sensor paper top sensor lever ailed the paper feed sensor ailed the exit sensor lever Check the exit sensor lever ailed the exit sensor Go to PAPER EXIT SENSOR PAPER JAMMED P 179 00 thick or too thin recording paper Use the recording paper from 16lb to 2416 Set toner bottle BACK SIDE OF THE RECORDING PAPER IS AR
75. the development high voltage terminal YES YES END Go to HIGH VOLTAGE SECTION 91 KX FL612CX KX FL612CX S 6 5 7 5 BLACK PRINT NO Is a sheet of paper printed black in whole YES Is LSU normal 1 Paper Travel og END 1 Open the Cover NO Remove the Drum unit Is the motion of the charged high voltage A black tape is pasted to the lens of LSU terminal smooth Check the output paper again If white paper is output LSU is abnormal NO Replace the charged high voltage og terminal YES Drum unit replace Go to LSU Section YES YES END Is the motion of the development high voltage terminal smooth NO Replace the development od high voltage terminal YES END j Go to HIGH VOLTAGE SECTION lt m 42 CROSS REFERENCE HIGH VOLTAGE SECTION P 140 LSU SECTION P 137 92 KX FL612CX KX FL612CX S 6 5 7 6 LIGHT PRINT Drum unit replace Paper Travel Replace the development high voltage terminal YES END Go to HIGH VOLTAGE SECTION CROSS REFERENCE HIGH VOLTAGE SECTION P 140 93 KX FL612CX KX FL612CX S 6 5 7 7 BLACK DENSITY IS LIGHT OR UNEVEN NO Drum unit replace K YES END Paper Travel Isn t the glass surface of LSU dirty og NO Clean the glass surface of LSU YES YES END Replace LSU YES END NO Is the charged high voltage terminal contacting stably NO
76. the unit operations 4 Synchronous Dynamic RAM IC604 This SDRAM is used for CPU work and receiving memory and page memory 5 MODEM IC600 Performs the modulation and the demodulation for FAX communication Detects the CALLER ID signal 6 Read Section CIS image sensor to read transmitted documents 7 LSU Laser Scanning Unit Forms the images on the OPC drum by rotating polygon motor and reflecting the laser beam against polygon Se gt we 8 Analog Board Composed of ITS circuit and NCU circuit 9 Sensor Section Composed of 4 switches and 5 sensors 10 Power Supply Board Switching Section Supplies 5V and 24V to the unit and controls the HEATER 11 Voltage Power Supply Board Section Supplies bias need for the printing operation bias of the DRUM Developing and Transcription 12 Fixing Unit Composed heat lamp thermistor and thermal fuse 148 KX FL612CX KX FL612CX S PCB0 THERMISTOR DRUM DETECT TONER PICKUP SENSOR EON SOLENOID C Jasu NEN DIGITAL P C B CN612 TATRIX HIGH VOLTAGE G A 1 24V 64Mbit 4 SDRAM COVER IC604 SW 5 DRIVER SCAN MOTOR DRIVER asic 606 1 7ms line mon
77. to eliminate influence on the conversation and communication 2 Circuit Operation This low pass filter is an eight order active filter and the cutoff frequency is approximately 4 kHz NOTCH FILTER has filter pole of account signal frequency Level 1 1 I I 1 1 1 1 I 1 1 I I i i RX Signal input 36dB oct IC201 R217 R221 m i 1 1 c212 1 1 I I 1 1 1 4KHz frequency LOW PASS FILTER i Level dB LOWPASS FILTER 4 0 C206 C201 RX Signal output account signal frequency frequency NOTCH FILTER NOTCH FILTER 162 KX FL612CX KX FL612CX S 7 4 7 REMOTE FAX ACTIVATION CIRCUIT 1 Function Another telephone connected to same line activates the unit to the FAX mode by using a DTMF signal 2 Signal Path Refer to CHECK SHEET 128 7 4 8 TAM INTERFACE CIRCUIT This circuit is to switch between FAX receiving and the external TAM s message recording automatically This circuit consists of the monitor transformer and amplifier For details please refer to TAM INTERFACE SECTION P 164 7 5 ITS Integrated telephone System and MONITOR SECTION 7 5 1 GENERAL The general ITS operation is performed by the special IC207 which has a handset circuit The alarm tone the key tone and the beep are output from the ASIC IC606 digital board 7 5 1 1 TELEPHONE MONITOR 1 Functi
78. 0 21 LOW Level CN201 8 LOW Level GPC204 gt 0211 ON make 7 4 8 BELL DETECTION CIRCUIT 1 Circuit Operation The signal waveform for each point is indicated below The signal low level section input to pin 6 of gate array IC605 on the digital board is read by ASIC and judged as a bell TEL 205 1 2 4 1C605 6 Between the Tip and Ring N from the telephone line about 150V U Between PC205 1 and 2 a 15V PC205 4 G A IC605 6 7 4 4 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 The data from the telephone exchange is a modem signal which is modulated in an FSK Frequency Shift Keying format Data 0 is a 1200 Hz sine wave and data 1 a 2200 Hz sine wave There are two type of the message format which can be received i e the single data message format and multiple data message format The multiple data format allows to transmit the name and data code information in addition to the time and telephone number data When there is multiple data in the unit the name or telephone number are displayed 2 Circuit Operation FSK signal of the caller ID signal input from TEL LINE is proces
79. 01 91 8 2993 9 9 2 eei MEN 3 NONE 270 FAx dl Factory r a mca A use only 8800060 S 240 279 2092081 0 20900 24 NONE 47 NONE NONE CNONE 09 90 9 209 9 5 NE E S 60 8008000 80000 00000 00000 0 0 Cause Distinction Temperature Code Note See the NAME DATE DEALER CUSTOMER COMPLAINT SURVEY RESULT CUNKNOWN DESIGN EDUC DEFECT ABUSE CCUBST DERLER SHIP PHONE SURVEY RESULT NEW following descriptions of this report Item No 1 THE HISTORY REPORT P 74 73 CPART WORKER DES 54 are corresponding to the listed items in DESCRIPTIONS OF KX FL612CX KX FL612CX S 6 4 5 1 DESCRIPTIONS OF THE HISTORY REPORT 1 ROM VERSION FLASH ROM version 2 SUM FLASH ROM internal data calculation 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 Not used 6 FACTORY CUSTOMER This shows how many days from factory production until the user turns O
80. 017175591 iod oor 5 r F c z amp N 544 332 909 iilos p g OL EINE 5 2 22 P 5734 Jano ZZ GG oo 998 ANN 5 1090 22 MH we 4 uia w 9 usa t s 610 8 15 su OX noo axi 57 e100 20 Jax noa a OSSA o GAS p sioa ssa 09NO E al 0901 595 9 L YaINNVHDOud 378278 HSV14O1 2 4 245 KX FL612CX KX FL612CX S 99 au voa IWLIDIG X Z L914 X9 19 os 67 gr 27 aaa 95 amo SSSSOSO BSSZEDS S SSES 5592 se 838222998 i No pz 855082803 ug 200556585 OV LD py em 288999 eat TONS 52 54998 S ARRAS oe 56 20181 8591 arene 152 0940 56 20181 2225 20181 0997 GIO 2 558 1aOUZNONV F6 L 22 0 91dOVZLAGNVSIES 95 N SIdO INONVA ZS 20181 1591 9 5 LdOVLL3ONVA T6 lSONVJ 809NO m T Bl eo SIO OL c 55 68 RSS 185 88 2 219 BEZI 702 2999 4 90901 22 609 55 ZWHd S8 6190 AW iz 22 27 Laa
81. 1 1 6015 FILTER 5 C723 221 220 5 PFVF2P221SG CERAMIC FILTER 5 C724 PFCA1HYK331M 330p s PFVF2P221SG CERAMIC FILTER s C725 ECUV1H104ZFV 0 1 5 PFVF2P221SG CERAMIC FILTER s C726 ECUV1H104ZFV 0 1 s PFVF1B102SP CERAMIC FILTER C727 1 101 100 5 PFVF1B102SP CERAMIC FILTER C729 ECUV1C104ZFV 0 1 PFVF1B102SP CERAMIC FILTER C730 ECUV1H104ZFV 0 1 s PFVF1B102SP CERAMIC FILTER C731 ECUV1C104ZFV 0 1 PFVF1B102SP CERAMIC FILTER C732 ECUV1H104ZFV 0 1 5 1 1025 FILTER C733 1 101 100 5 PFVF1B102SP CERAMIC FILTER C734 F2A0J1010036 100 PFVF1B102SP CERAMIC FILTER C735 ECUV1C104ZFV 0 1 PFVF1B102SP CERAMIC FILTER C736 ECUV1C104ZFV 0 1 COILS C737 ECUV1C104ZFV 0 1 L607 POLQR2BT COIL s C738 ECUV1H680JCV 68 L614 COIL s C739 ECUV1A224KBV 0 22 L616 POLQRIET COIL 5 C740 ECUV1H181JCV 180p s L610 PQLQR2BT COIL s C741 ECUV1H181JCV 180 L612 POLQR2BT COIL s C742 ECUV1A224KBV 0 22 L613 POLQR2BT COIL s C743 ECUV1H222KBV 0 0022 L615 POLQR2BT COIL 5 745 ECUV1H181JCV 180 5 1631 POLQR2BT COIL s C746 ECUV1H181JCV 180 5 1634 POLQR2KA20T COIL 5 C747 ECUV1H181JCV 180 5 1635 2 20 COIL s C748 ECUV1H181JCV 180 s L636 2 20 COIL s C749 ECUV1H104ZFV 0 1 s R663 2 20 COIL s C751 ECUV1A105ZFV 1 R759 2 20 COIL s C753 ECUV1A105ZFV 1 R760 POLQR2KA20T COIL s 754 ECUV1C104KBV 0 1 PHOTO ELECTRIC TRANSDU
82. 1 100 ERJ3GEYJ101 100 ERJ3GEYJ122 1 2k ERJ3GEYJ101 100 ERJ3GEYJ101 100 ERJ3GEYJ331 330 ERJ3GEYJ331 330 ERJ3GEYJ101 100 ERJ3GEYJ123 12k ERJ3GEYJ4R7 4 7 ERJ3GEYJ123 12k ERJ3GEYJ181 180 SWITCHES SW101 EVQ11Y05B SWITCH SW102 011 05 SWITCH SW103 EVQ11Y05B SWITCH SW104 011 05 SWITCH SW105 011 05 SWITCH SW106 EVQ11Y05B SWITCH SW107 EVQ11Y05B SWITCH SW108 EVQ11Y05B SWITCH SW109 EVQ11Y05B SWITCH SW110 EVQ11Y05B SWITCH SW111 EVQ11Y05B SWITCH SW112 011 05 SWITCH SW113 011 05 SWITCH SW114 EVQ11Y05B SWITCH SW115 EVQ11Y05B SWITCH SW116 EVQ11Y05B SWITCH SW117 011 05 SWITCH SW118 EVQ11Y05B SWITCH SW119 EVQ11Y05B SWITCH SW120 EVQ11Y05B SWITCH KX FL612CX KX FL612CX S Part No Part Name amp Description Remarks Part No Part Name amp Description Remarks 011 05 SWITCH ECKR2H102KB 0 001 011 05 SWITCH ECKK3D102KB 0 001 EVQ11Y05B SWITCH ECKR2H101KB5 100p EVQ11Y05B SWITCH FUSE EVQ11Y05B SWITCH PFBAICPN38 FUSE EVQ11Y05B SWITCH RESISTORS EVQ11Y05B SWITCH PQ4R10XJ473 47k 011 05 SWITCH ERDS2TJ104 100k 011 05 SWITCH ERDS2TJ103 10k EVQ11Y05B SWITCH ERJ6ENF2003 200k EVQ11Y05B SWITCH PQ4R10XJ103 10k 011 05 SWITCH ERDS2TJ103 10k 011 05 SWITCH ERDS2TJ103
83. 100 TONEIN e HSALC 10 HSALC 0302 0 027 moir sa 55 VOLOUT 11 VOLOUT E mag 14 22x CN202 EX HOOK 12 Us nemom HS are 2 HSSP L exrout nsmcour 16 R219 R308 gt LINEIN P 13 EN werd AW 1 m ncis 18 R29i BEAD 0 olz 14 2 5 a ussp 21dBm VS AG ANN C277 8293 STS TONE 15 TON d w 4 L274 100 P SHOR tu x P SHORT 16 P SHO S 2 VREF Txar 17 st s R295 PAN ERES MONITORIN 24v 18 220K _ 30dBm VS AG t t ae TXA2 19 ED ti R342 47 T 515 5VD 20 oan C323 21 6 301000 T 9 1 I K6 01u AG 22 MICIN D217 i ries 0292 27 _ 330 8 1264 0 aaa DG 24 J214 0 50V2 2u 4 g T 25 1275 100 SPMUTE 26 SPMUTE 1276 0 FSKCTL 27 FSKCTL 1277 BEAD HOOK 28 HOOK FAX TX FAX 249 KX FL612CX ANALOG BOARD PCB2 2 2 KX FL612CX KX FL612CX S 15 2 OPERATION BOARD PCB3 5VD
84. 10k 011 05 SWITCH ERDS2TJ272 2 7k 011 05 SWITCH PQ4R10XJ103 10k 011 05 SWITCH PQ4R10XJ103 10k 011 05 SWITCH PQ4R10XJ103 10k 011 05 SWITCH ERJ6ENF1004 1M 011 05 SWITCH PQ4R10XJ103 10k 011 05 SWITCH PQ4R10XJ272 2 7k 011 05 SWITCH PQ4R10XJ000 0 011 05 SWITCH PQ4R10XJ000 0 011 05 SWITCH PFRGH16A306N 011 05 SWITCH ERDS2TJ152 011 05 SWITCH ERDS2TJ152 K0L1AA000001 SWITCH EROS2TKF8451 THERMISTOR ERJ6ENF1003 12 6 D4CC11030019 THERMISTOR HIGH VOLTAGE POWER SUPPLY BOARD PARTS PQ4R10XJO000 PQ4R10XJ102 PFRGVR25J106 ERJ6ENF4872 PQ4R10XJ102 ERDS2TJ473 Ref Part No Part Name amp Description Remarks ERDS1TJ224 No EROS2TKF4532 PCB4 EUKMBN889HA HIGH BOLTAGE POWER SUPPLY PFRGR25F1504 BOARD ASS Y RTL PFRGVR25J105 1c PFRGVR25J105 IC101 67426 IC ERDS2TJ333 TRANSISTORS PFRGR25F1005 Q101 28B709A TRANSISTOR SI PFRGVR25J105 1 0102 2SB709A TRANSISTOR SI PFRGVR25J105 1 Q103 2SD2137A TRANSISTOR SI PFRGVR25Jl06 10 Q201 2802137 TRANSISTOR SI SWITCH Q20
85. 1430Z SPRING TERMINAL TRS Q618 25 41555 TRANSISTOR s PFUV1059Y CASE FAN Q619 2SB1197K TRANSISTOR s PFUS1451Z SPRING COVER OPEN Q620 2SB1322 TRANSISTOR s PFUE1016Z LEVER Q621 PQVTD143Z106 TRANSISTOR s L6FALDGK0001 Q622 PQVTD143Z106 TRANSISTOR s PFUS1428Z LEAF SPRING TERMINAL DEV Q623 PQVTDTC143E TRANSISTOR s PFUS1427Z LEAF SPRING DIODES D600 PQVDRLS73T DIODE SI s D601 PQVDNNCD56DT DIODE SI s 12 2 ACCESSORIES AND PACKING Fo loros 51 MATERIALS D606 BOJAME000005 DIODE SI D607 MA7160 DIODE SI s Part No Part Name amp Description Remarks D608 PFVDRMRLS245 DIODE SI 5 BATTERY PFQW2204Z LEAFLET BAT600 CR 2032 V9A LITHIUM BATTERY PFZXFL511M GUIDE CAPACITORS PFQX2155Z INSTRUCTION BOOK C600 ECUV1C104ZFV 0 1 PFQW2249Z Q R G PERSIAN KX FL612CX C601 1 101 100 5 only C602 ECUV1C104ZFV 0 1 PFQW2250Z Q R G THAI KX FL612CX only C604 ECUV1H102KBV 10 001 PFQW22487 Q R G ARABIC C605 ECUV1H102KBV 0 001 PFQW2263Z Q R G SPANISH KX FL612CX C606 ECUV1H102KBV 10 001 only c607 ECUV1H102KBV 0 001 110021 COVER PAPER TRAY C608 ECUV1H102KBV 0 001 PERSITUBZI PAPER TIRAS C609 ECUV1H102KBV 0 001 5109621 TRAY PAPER STACKER C610 ECUV1HLO2KBV 0 001 PFJA03A010Z CORD POWER KX FL612CX C611 ECUV1H103KBV 0 01 0082 CORD POWER KX FL612CX S C612 ECUV1H103KBV 0 01 PFJA02B002Z CORD TEL C613 ECUVICLO4KBV 0 1 10292 CORD CURL C614 ECUV1A224KBV 0 22 PEJXEI005z HANDS
86. 17 eta K680 R310 1242 POS200 el 5 5 8 87 P Ww NC 518 5VD Son 6812W BEAD 5 5 R259 R272 8 gu 4 i ete 24V 50 gt NC case sx he FER 3 S 0 311 qe 3 E RLY201 8 Rex 8 29 E K E K C287 21dBm Ji00p VS CN203 8 4 CN204 4 2 5 lt gt 0212 C281 207 o 9 2 S W Zee 250V1u BEAD w ass 1248 3 b B1 AA 2208 0 bd 4 a A1 33K 1 2W EU BEAD 0210 228 5 E W a x Y 825 229 0211 0212 6 x 8 lt x 5 1 T202 5 d lt S 4m M t 8g BSS 23 2 3 H Ol 8 a z a d 5 M1 gt ij gt cj OJ 5 pmm xd wea 4 4 3 CN201 gt 9 396 9 1279 MILA MILAT 1 Ole ESAE L266 100 SSS AWS 2m RLY 2 N Pvt R343 4 MICLK 3 2790 MICLK x 5 1 s I L Ww e 1267 100 10k C325 KO068u R291 4 N R344 L280 0 MIDAT Me 5 1 TUS R300 82 E MIDAT 5 NA 35 s 2 5 82 tL BELL 6 BELL OLOUT 8 R302 AA 82 al S era vo bh vaer voj aTa 8 s VOX 7 r P VOXOUT 6 5 5 5 L270 100 BREA door wig 808 seats VOLI ms 1 2 298 838 VOLIN 9 nca 8 i 10 2 1271
87. 2 2 2 ERJ3GEYJ472 R726 ERJ3GEYJ103 10k ERJ3GEYJ563 R727 ERJ3GEYJ101 100 ERJ3GEYJ562 R728 ERJ3GEYJ101 100 ERJ6GEYJ331 R729 PQ4R18XJ100 10 s D0GG472JA002 R730 ERJ3GEYJ472 4 7k ERJ3GEYJ101 R731 ERJ3GEYJ222 2 2k ERJ3GEYJ563 R732 ERJ3GEYJ333 33k ERJ12YJ390 R733 DOC1R47GA003 0 47 D0GG4723JA002 R734 DOC1IR47GA003 0 47 ERJ3GEYJ103 R735 ERJ3GEYJ222 2 2k ERJ3GEYJ103 R736 ERJ3GEYJ102 D0GG472JA002 R737 ERDS1VJ152 1 5 5 ERJ3GEYJ103 R738 ERJ3GEYJ473 47k ERJ3GEYJ102 R739 ERJ3GEYJ101 100 ERJ3GEYJ103 R740 ERJ3GEYJ473 47k ERJ3GEYJ101 R741 ERJ3GEYJ101 100 ERJ6GEYJ331 R742 ERJ3GEYJ101 100 ERJ3GEYJ563 R743 ERJ3GEYJ101 100 ERJ3GEYJ562 R744 ERJ3GEYJ101 100 ERJ3GEYF393 R745 ERJ3GEYJ393 39k ERJ3GEYF393 R746 ERJ3GEYJ103 10k ERJ3EKF2202 R747 ERX1SJ2R2 2 2 ERJ3EKF2202 R748 ERJ3GEYJ472 4 7k ERJ3EKF1802 R749 ERJ3GEYJ102 1k ERJ3 EKF3302 R750 ERJ3GEYJ102 1k ERJ3GEYJ101 R751 ERJ3GEYJ303 30k ERJ3GEYJ101 R752 ERJ3GEYJ683 68k ERJ3GEYJ101 R753 ERJ3GEYJ104 100k ERJ3GEYJ181 R754 ERJ3GEYJ473 47k ERJ3GEYJ102 R755 ERJ3GEYJ103 10k ERJ3GEYJ103 R756 ERJ3GEYJ562 5 6k ERJ3GEYJ473 R757 ERJ3GEYJ222 2 2k ERJ3GEYJ473 R758 ERJ3GEYJ183 18k ERJ3GEYJ473 R764 ERJ3GEYJ220 22 ERJ3GEYJ101 R766 ERJ3GEYOROO 0 ERJ3GEYJ101 R767 ERJ3GEYJ181 180 ERJ3GEYJ103 R768 ERJ3GEYJ181 180 ERJ3GEYJ272 R769 ERJ3GEYJ181 180 ERJ3GEYJ222 R770 ERJ3GEYJ103 10k ERJ3GEYJ102 R771 ERJ3GEYJ273 27k ERJ3GEYJ102 R772 ERJ3GEYJ100 10 236 KX FL612CX KX FL612CX S Part No Remarks Part No Remarks
88. 2 28A1699 TRANSISTOR SI PFSEDE2LCJ33 SWITCH DIODE COILS D104 PFVDDHM3FJ60 DIODE SI s ETB20DKA1 105 PFVDDHM3FJ60 DIODE SI s ETB20DKD1 COIL D107 PFVDERA1504 DIODE SI s D109 PFVDDHM3M20 DIODE SI s E261 EFVHERRISO DIDE ET 12 7 LOW VOLTAGE POWER D203 PFVDDHM3M20 DIODE SI S PPLY B ARD PART D204 PFVDERA1504 DIODE SI s SU O S D205 PFVDDHM3M20 DIODE 51 s Ref Part No Part Name amp Description Remarks 20201 PFVDRD62ESAB ZENER DIODE s No 20202 PFVDRD150EB 2 DIODE 5 5 ETXKM450E5B LOW VOLTAGE POWER BORD ASS Y CONNECTOR RTL CN2 PFJP06B01Z CONNECTOR 6P ICs CAPACITORS IC101 PFVIFA5317P S C101 PFEUKMG1V470 47 s IC201 PFVIPQO5RD11 IC S C102 0 1 47372 0 047 TRANSISTORS c103 PFEUKMG1H2R2 2 2 s Q101 28 2717 TRANSISTOR SI C104 PFEUKMG1H010 1 s Q201 28 17405 TRANSISTOR SI s C105 ECJ2VB1H103K 0 01 DIODES C108 ECJ2FB1H473K 0 047 D101 PFVDLT1505 DIODE 81 s A 109 ECJ2VB1H153K 0 015 D102 PFVDLT1505 DIODE SI S A C110 ECKK3F471KBP 470 D103 PFVDLT1505 DIODE SI S A 111 ECKK3D471KBB 470p D104 PFVDLT1505 DIODE SI S A C112 ECKK3D471KBB 470 D105 PFVD05NU42 DIODE SI s C201 ECJ2FB1H473K 0 047 D106 PFVDERA9102 DIODE SI S C202 ECJ2VB1H102K 0 001 D108 PFVDERA9102 DIODE SI S C203 ECKK3D221KB 220p D109 PSVD10ELS4 DIODE 81 s C204 ECJ2VB1H103K 0 01 D110 PFVDERA9102 DIODE SI S 240 KX FL612CX KX FL612CX S
89. 3 gets hot Do not touch it 2 Hold the center part of the front cover 02 and pull open the inner cover e Do not touch the transfer roller 8 3 Remove the jammed document carefully 117 Up A BL 2 7 4 Push back the inner cover 5 Close the front cover 117 by pushing down on both sides until locked 35 KX FL612CX KX FL612CX S Note e Do not pull out the jammed document forcibly before opening the front cover 4 7 RECORDING PAPER JAMS 4 7 1 When the recording paper has jammed in the unit If the unit does not eject any recording paper during reception or copying the recording paper has jammed and the display will show the following massage The display will show the following Display PAPER JAMMED 1 Lift open the front cover 1 holding OPEN 2 Caution The fuser unit 3 gets hot Do not touch it 2 Remove the jammed paper When the recording paper has jammed near the drum and toner unit Remove the jammed paper 117 carefully by pulling it toward you e Do not touch the transfer roller 2 36 KX FL612CX KX FL612CX S When the recording paper has jammed near the recording paper exit 2 1 Pull the tension plate forward 07 then remove the paper tray cover 2 2 Remove the recording paper then remove the drum and toner unit 2 to allow the jammed paper 3 to pull free from the rear cabin
90. 3 DIGITAL BOARD PARTS e 234 15 4 LOW VOLTAGE POWER SUPPLY BOARD PCB5 253 12 4 ANALOG BOARD PARTS mM 237 15 5 EXIT SENSOR BOARD PCB6 12 5 OPERATION BOARD PARTS Mmmm 239 15 6 DRUM AND TONER SENSOR BOARD PCB7 12 6 HIGH VOLTAGE POWER SUPPLY BOARD PARTS 240 15 7 VARISTOR BOARD 8 12 7 LOW VOLTAGE POWER SUPPLY BOARD PARTS 240 16 PRINTED CIRCUIT BOARD 12 8 EXIT SENSOR BOARD PARTS 241 16 1 DIGITAL BOARD PCB1 MM 12 9 DRUM AND TONER SENSOR BOARD PARTS 241 16 2 ANALOG BOARD 2 12 10 VARISTOR BOARD 241 16 3 OPERATION BOARD 12 11 FIXTURES AND TOOLS 16 4 HIGH VOLTAGE POWER SUPPLY BOARD PCB4 261 13 FOR THE SCHEMATIC DIAGRAMS 242 16 5 LOW VOLTAGE POWER SUPPLY BOARD 5 263 14 SCHEMATIC DIAGRAM m 244 16 6 EXIT SENSOR BOARD PARTS PCB6 265 14 1 DIGITAL BOARD PCB1 7M 244 16 7 DRUM AND TONER SENSOR BOARD 7 265 15 SCHEMATIC DIAGRAM 248 16 8 VARISTOR BOARD 8 265 KX FL612CX KX FL612CX S 1 INTRODUCTION 1 1 ABOUT LEAD FREE SOLDER PbF Pb fre
91. 30 9 SW105 swiog SW112 SW120 SW135 SW140 SW145 5 XLED8 D7 29 1 6 XLED9 De 28 11 e 7 IKIN2 o 05 27 12 5VD 8 D4 26 13 9 xLED10 E 25 14 34 10 513 RWB 24 15 11 KIN4 s RS 23 16 83 2222482 244 afoje Too e Teu S9 57 510 hd had dumm AE 9 0 om 0 om o SW113 SW121 SW128 gt 5 0 om 0 0 o 5VD z SW114 SW122 SW129 S d 3 sss bi O o D102 SW115 SW123 SW130 R152 1800 D103 4 17 Bt z R114 1800 0101 T w RITZ 180 0 R115 ww 180 0 45VD 9 5VD 5 4 x 8 zx R151 m T R146 1M 2 3W 5VA 5VD L__ 100 0 J101 R101 R111 NC 5 1M 2 3W NC a RS 8 2 P iS 1 Eso 12 6 T za 518 8 q Kk 74 8 5 Gc L at 5 5x2 58S T d lt o 5 L ES z o m DOCUMENT KX FL612CX OPERATION BOARD PCB3 1 2 SEM SENSOR SENSOR 250 eren qun rn md CON 00 10 KX FL612CX KX FL612CX S
92. 37 OP54 1 1 0 5 X NPUTPORTTOPCVR 38 OP5 oO 5 OUTPUT PORT DEV 7 39 jop 7 7 7 7 0 5 OUTPUT PORT CHG 52 abro 1 533 X flADDRESSBUSO O 53 ADR 1 533 54 abr 1 533 1 2 U 55 1 53 X JADDRESSBUS3 56 jap 1 53 1 57 1 593 ____ 58 abre 1 53 X jADRSSBUS6 59 TESTO 1 58V NOTUSD 60 TEST 1 5 NNOTUSD O 681 1 33V G2 XRD 1 53 1 593 S O 66 vss GND 67 XRESET 1 9593 X RESETINPUT 7 68 XOS 1 53 CHPSELECTINPUT 69 NT 0 93 INTERRUPT INPUT 70 KSTART O 593 OPERATION PANEL CONTROL 71 KLATCH OP24 SENCTL3 33V NOTUSED 154 KX FL612CX KX FL612CX S es Rl EUN ci CR No VOLTAGE 72 7 79 10 33 OPERATION CONTROL 74 KRXD P2S SENNS 33V FROM READ POSITION SENSOR 77 11 33 NPUTTONVERTER 78 33 1 NPUTTONVERTER 1 79 0 33 INPUTTOINVERTER 1 80 _ vouToopes 0 5 OUTPUT FROM INVERTER 81 vour oP0 amp o 5 OUTPUT FROMINVERTER 82 vourzoP27 o 5 OUTPUT FROM INVERTER sv BRXMOTORCONRO 84 pM 1 0 5 BRXMOTORCO
93. 429Z LEAF SPRING 10232 TERMINAL PLATE WIRE B 216 PFUS1439Z COIL SPRING 12072 LEVER EXIT SENSOR 217 PFUS1502Z TORSION SPRING 10012 THERMOSTAT FUSER 218 PFJS0O2P12Z CONNECTOR 10852 METAL 5 219 550 0062 SPEAKER 10212 TERMINAL PLATE FUSER 220 PFUS1456Z TORSION SPRING 003 SENSOR 221 PFDG1310Z GEAR IDLER POM 10222 TERMINAL PLATE WIRE A 222 PFDG1311Z GEAR IDLER POM PFHR1408Z LEVER 223 105821 CABINET COVER HANDSET PS 13022 GEAR EJECT IDLER POM 224 102471 BUTTON HOOK ABS HB PFUA1043X CHASSIS FUSER PBT ABS 225 111521 BODY HANDSET PS PFUS1435Z SPRING SUPPORT EJECT 226 PFHX1657Z SPACER PFDR1043Y ROLLER SUPPORT EJECT POM 227 PFUA1045Z CHASSIS GERA MAIN PFHR1372Y LEVER ABS 228 55SPM25D3NA DC MOTOR PFDR1042X ROLLER EJECT POM 229 PFDG1304Y GEAR IDLER 67 POM 230 XUCAFY E RING 12 1 6 UPPER MAIN CABINET SECTION 2 jr ensosr 2 232 PFDG1305Z GEAR FUSER IDLER POM Part No Part Name amp Description Remarks 233 PFDG1303Z GEAR IDLER POM 234 XUC5FY RETAINING RING XUC2FY RETAINING RING 235 111471 CABINET BODY MAIN PS 12012 GEAR FEED ROLLER 236 PFHX1674Z COVER PROTECTION SHEET PFUS1325Z SPRING 237 16682 COVER CABINET SHEET PFDJ1067Z SPACER FEED ROLLER PFDN10652 ROLLER FEED 12 1 9 LOWER CABINET SECTION 3 PFDJ1044Z SPACER 12032 LEVER Ref Part No Part Name amp Des
94. 432 picture elements along scan line length of 215 mm 1 303 mm 1 2048 picture elements along scan line length of 255 mm 1 2432 picture elements along scan line length of 303 mm 1 1728 picture elements along scan line length of 2048 picture elements along scan line length of 215 mm 1 255 mm 1 2048 picture elements along scan line length of 255 mm 1 Invalid Maximum recording length capability Maximum recording length A4 297 mm A4 297 mm Unlimited A4 297 mm and B4 364 mm 364 mm Invalid Minimum scan line time capability of the receiver Minimum scan line time 20 ms at 3 85 T77 Ts gs 20 ms 40 ms at 3 85 T T385 40 ms 10 ms at 3 85 I mm T7 T385 5 ms at 3 85 5 5 T385 10 ms at 3 85 T7 1 2 T385 20 ms at 3 85 Tz 1 2 5 40 ms at 3 85 T77 1 2 T385 0 ms at 3 85 5 5 T385 Validity of bits 17 18 Recording width Bits 17 18 are valid Recording width indicated by bits 17 18 Bits 17 18 are invalid Recording width indicated by this field bit information 34 Recording width capability 1216 picture elements along Middle 1216 elements of 1728 picture elements scan line length of 151 mm 1 35 Recording width capability 864 picture elements along Middle 864 elements of 1728 picture elements scan line length of 107 mm 1 36 Recording width capability 1728 picture elements along Invalid scan line length of 151 mm 1 37 R
95. 470JV RESISTOR ARRAY 5 ECEA1HKS4R7 4 7 EXRV8V470JV RESISTOR ARRAY s ECUV1H222KBV 0 0022 EXRV8V470JV ARRAY s ECUV1H682KBV 0 0068 EXRV8V470JV RESISTOR ARRAY s ECUV1A105ZFV 1 EXRV8V470JV RESISTOR ARRAY S ECUV1A105ZFV 1 EXRV8V470JV ARRAY S ECUV1H100DCV EXRV8V470JV ARRAY s ECUV1H100DCV EXRV8V470JV RESISTOR ARRAY s ECUV1C473KBV CRYSTAL OSCILLATORS ECEA1CK470 PFVC32256ZAT CRYSTAL OSCILLATOR ECUV1H101JCV PFVCK3 6N9Z CRYSTAL OSCILLATOR ECEA1HU2R2 PFVCCSA24Z CRYSTAL OSCILLATOR ECEA1CKS100 HOA327200079 CRYSTAL OSCILLATOR ECUV1H103KBV 1 5010 ECUV1C104KBV 12 4 ANALOG BOARD PARTS EM Ref Part No Part Name amp Description Remarks BCUVIHS20gCV No ECUV1H680JCV PCB2 PFLP1481CX A ANALOG BOARD ASS Y RTL PFCAIHYK101M ICs ECUV1H332KBV IC200 COABEB000038 IC ECEAOJK221 12201 COABEB000038 IC 1 5100 12202 COAABB000025 ECUV1C104ZFV IC204 COABEB000038 ECUV1C104ZFV IC206 PQVIMC34119D S ECUV1C104ZFV IC207 AN6384SB IC ECUV1C104KBV IC208 AN6123MS ECKD2H681KB TRANSISTORS ECKD2H681KB Q202 BlAAKL000006 TRANSISTOR SI ECQE2E105KZ Q207 2SB1218ARL TRANSISTOR SI ECUV1H820JCV Q210 PQVTDTC143E TRANSISTOR SI S ECUV1H820JCV Q211 2541627 TRANSISTOR SI s ECUV1H820JCV Q212 PQVTDTC143E TRANSISTOR SI ECUV1H151JCV Q213 2SB1218ARL TRANSISTOR SI ECUVIH681JCV DIODES ECUV1H101JCV D200 MA4056 DIODE SI S ECEA1HKS2R2 D201 MA4056 DIODE SI
96. 48 007 33V JOUTPUTPORT FLASH WRITE PROTECT 49 XcHKCS Cngos o 33v 50 o 33v JROM C6O7 CHIP SELECT 51 pub BV GPRD 52 jiwa 0 e pBz 11 7 66 dvo 68 110 X sav 69 jp CP X sav 74 605 0 33v SDRAMIC604 CHIP SELECT S 7 0 sav 7 SDRAM IC604 ROW ADDRESS STROBE ve cas 0 sav _ SDRAM IC604 COLUMN ADDRESS STROBE 7 o 33 J SDRAMIC604 WR SIGNAL 78 sbbamu o X sav __ 50 604 CONTROL 72 5 0 33 ___ 604 CONTROL go vss oGD GND _ si 0 sav X SDRAM IC604 CLOCK 8 jp oj sas ____ 85 o ss japaESBS 86 X ss ____ 87 ADRs ss J apREesBUS3 152 KX FL612CX KX FL612CX S PIN SIGNAL POWER SUPPLIED EXPLANATION No VOLTAGE O 33V 3 1 0 oO 33 X JADDRESSBUSIi2 0 0 33 7 lROWRAMBAKNADDRESSBUSO 10 0 33 JROWRAMBAKNADDRESSBUS1 101 RBAZ 0 353 ROMRAMBAKNADDRESSBUS2 102 RBAS 0 353 JROWRAMBAKNADDRESS 8053 103 4 0 33 J ROWRAMBAKNADDRESSBUS4 14 RBAS 0 3537 ROMRAMBAKNADDRESSBUS5 105 RBAS 0 353 ____
97. 5 9 4 THE RECEIVED FAX DATA IS SKEWED Problem with the other FAX machine Copy the test pattern by ADF Is the test pattern OK Problem with the other FAX machine Go to SKEW CROSS REFERENCE SKEW P 97 105 KX FL612CX KX FL612CX S 6 5 9 5 THE RECEIVED OR COPIED DATA IS EXPANDED Copy the test pattern by ADF YES Is the test pattern OK Problem with the other FAX machine The picture is distorted at ADF Clean the drive roller END Replace the document feed roller NO Replace the separation roller END 106 6 5 9 6 BLACK OR WHITE VERTICAL LINE IS COPIED Is the white board dirty Clean the white board YES END Isn t the glass of CIS dirty NO Clean the glass of CIS YES END Replace the CIS 107 KX FL612CX KX FL612CX S KX FL612CX KX FL612CX S 6 5 9 7 ABNORMAL IMAGE IS COPIED Isn t the white board dirty lt YES Clean or replace the white board END Doesn t the CIS unit move smoothly Clean the glass of CIS or replace the CIS END Go to CIS section CROSS REFERENCE CIS Contact Image Sensor SECTION P 138 108 KX FL612CX KX FL612CX S 6 5 10 COMMUNICATION SECTION Find the problem in the table shown below and refer to the corresponding troubleshooting procedure in DEFECTIVE FACSIMILE SECTION P 110 Symptom 1 T
98. 5 MR 2 1Aac 34 215 BA 26 MR 2 msee a2aF 28 27 MR 18 5 agga ac 28 MR 20msec 1DF 28888 29 MR 28msec BLEA aaaaa aa 50 2Bmsec 31 28msec aerae 22888 32 MR 1 msec 4 8 20808 53 1 5 2988 20090 34 MR 20 3B6 eaaao GE 35 MH 2 msec BOEG 2728174 117 KX FL612CX KX FL612CX S 6 5 11 4 HOW TO OUTPUT THE JOURNAL REPORT 1 Press the MENU button 2 Press then 8 and 3 3 Press the START COPY SET button 4 The report prints out Jan 20 2000 01 19PM YOUR LOGO YOUR FAX NO USAGE TIME MODE PAGES RESULT 00 51 SND 00 COMMUNICATION ERROR l CODE 43 NO OTHER FACSIMILE START TIME 01 2345678 Jan 20 01 18PM 3 Sent directlv 2 Communication Received directly message 1 Error code RCV CROSS REFERENCE FEATURES P 10 Error code table 1 CODE 2 RESULT PRESSED THE STOP KEY SYMPTOM SND amp RCV Communication was interrupted by the STOP button Counter measure lt lt DOCUMENT JAMMED NO DOCUMENT SND document paper THE COVER WAS OPENED SND coveris Q NICATION ERROR SND amp RCV ____ NICATION ERRO NICATION ERRO NICATION ERRO NICATION ERRO c cicic 2 2 2 OMMUNICATION ERROR Q o E c NICATION ERRO
99. 536 144 1 C1CB00001551 COJBAR000386 DS 1 8 4 TM mes rre Cathode Anode PQVTDTC143E 2581197 PQVDRLS73T 2SB1322 PQVTD143Z106 PQVDNNCD56DT 2SD1819A PFVDRMRLS245 Cathode Cathode Cathode Anode A Anode Cathode node Anode PFVDRMRLS245 PQVDSLR325MC 7160 4056 PQVDR325CA47 Cathode Cathode E Cp 2SA1699 2SB709A PFVDRD62ESAB PFVDRD150EB Cathode Cathode Cathode E c Anode Anode Anode B h PFVDDHMSFJ60 PFVD05NU42 2SC1740S PFVDDHM3M20 PFVDERA1504 PFVDGPP20JT3 PSVD10ELS4 Cathode Cathode Cathode Cathode Anode Anode Anode PFVD21DQ04 PFVDERA9102 MA4300 MA4 180 MA4062N 205 PFVIPQOSRD11 Cathode Cathode Anode BOJAME000005 PFVDYG901C2R 9 16 ee ss s 1 C1CB00001637 KX FL612CX KX FL612CX S 8 3 HOW TO REPLACE THE FLAT PACKAGE IC Even if you do not have the special tools for example a spot heater to remove the Flat IC with some solder large amount a soldering iron and a cutter knife you can easily remove the ICs that have more than 100 pins 8 3 1 PREPARATION 8 3 1 1 For Power Supply Board e SOLDER Sparkle Solder 115A 1 115B 1 OR Almit Solder KR 19 KR 19RMA e 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 b
100. 54 oa 2 sa osu EZ m tajra 159 zz ca zsa fiz 58 20 SH 02 0 vSu 6T 1 00801 wo ts BE zm 7 8 eaNoa Sr A siu Sr 353 85 Old9 E By ve S ALM ET I5 iso nod zr 26 zido 07 76 eiao 1novHS 6 frido pe siao 4ON 26 9149 5 9 5 lee zi4o AO axa s 8 982528 55 2089 gt T gt ONASSAS E ze m m im Z Slo px sodo m m L 2 2 8 22 sys LEN SB x _ gt o 289822029995 20 532502222222 1 EERTE ET 87 1 2985222088051262850655885 PT A ay iL 8 5 00224 57 an 13 T 10992 VA V 570 ES T nzz es 8 8 90 INNAN 2935 247 KX FL612CX KX FL612CX S 15 SCHEMATIC DIAGRAM 15 1 ANALOG BOARD PCB2 1202 236 C232 21dBm EX VSA BEAD
101. 652 S Roa 1 628 0700 R701 20609 70698 C686 R699 0665 wm aS SVEA R690 6682 R705 8739 2684 R738 78645 PFUP1330XA C693 o 06645 R665 R762 R664 C646 R666 R759 0621 786563 0643 O 6622 R760 70633 R629 R6271 L609 E611 1638 C739 C620 R658 630 R770 10754 o 1607 5 eS j 1603 C749 1601 1631 8607 C722 C74 748 R646 8640 8641 642 8643 8644 0745 411639 11633 WOLLOG cl OL 256 16 2 ANALOG BOARD PCB2 16 2 1 ANALOG BOARD COMPONENT VIEW r gt SUAE n d NS Ks SS ns iz KX FL612CX ANALOG BOARD PCB2 COMPONENT VIEW KX FL612CX KX FL612CX S WO LLOS 28244 9O1VNV X2Z1914 X3 N3IA WOLLOG QHVO8 SOTVNV 72279 258 KX FL612CX KX FL612CX S LN3NOdWOO 89d NOILVH3dO XDZ1914 X3I H Jad i DG 610901 YZeeeldNd HOBVSS efla s
102. 7 LCD check Service code 558 __________ _ __ c z z Note Check according to the service code referring to TEST FUNCTIONS P 64 78 KX FL612CX KX FL612CX S 6 5 5 SIMPLIFIED TROUBLESHOOTING GUIDE 6 5 5 1 PRINTING GHOST IMAGE P 88 Failed the high voltage terminal ailed the high voltage power supply board Failed fuser unit Check the heat roller and the pressurized roller and the spring and the heat lamp and the thermistor ailed the power supply board thick or too thin recording paper DARK WHITE VERTICAL CINE F 89 DARK OR WHITE HORIZONTAL LINE F90 Static electricity on the documents when Check the connection between the parts around CIS and earth copying DIRTY OR HALF Failed drum unit Replace drum unit DARKNESS Life of drum unit is over Replace drum unit BACKGROUND F9 Dirty the pickup roller and the regist roller and Clean the pickup roller and the regist roller and the feed roller the feed roller and the eject roller and the heat and the eject roller and the heat roller and the pressure roller roller and the pressure roller BLACK PRINT P 92 LIGHT PRINT P 93 BLACK DENSITY 15 LIGHT OR UNEVEN P 94 BLANK PRINT P 95 Failed the high voltage power supply board thick or too thin recording paper 79 KX FL612CX KX FL612CX S 6 5 5 2 RECORDING PAPER FEED 1 MULTIPLE FEED P 96 8 SKEW 97 Dirty failed
103. 8 SCAN CONTRAST NORMAL L NORMAL LIGHT DARKER J 68 ECM SELECTION ON LON OFF 1 CONNECTING TONE ON LON OFF 1 79 TONER SAVE OFF OFF J 9 SET DEFAULT Ne ORIGI ETTING Set Value Note The above values are the default values 71 KX FL612CX KX FL612CX S 6 4 4 SERVICE DATA LIST 1 501 Z 52 Code 524 522 523 524 853 854 PRUSE TIME FLREH TIME CED FREQUENCY INTERNATIONAL MODE AUTO STANDBY EQUALIZER Tx EQUAL I ZER TOP MARGIN LEFT MARGIN SPECIAL SERVICE SETTINGS 514 552 2 Code s sss al 1 USAGE TIME Note The above values are the default values 553 1 717 1 571 as 718 1 HOURS 572 065 721 2 Hl H H l H H H H H 5 1 amp 1 5 218GHz ON ON B B alim 3 4 cm 573 598 591 18 05 65 722 763 771 1 3 1 72 SERVICE MODE SETTINGS Example of a printed out list 1891 6681 1G ms 181 99 1 218080 2 11 8 Hz 1 0N 2 0FF 1 1 0N 2 0 i 8 0 2 1 8 3535 6 128 8 2 1 8 353 6 1 51 1 7 592 595 594 595 2 1 1 2 vid 874 BPS Ba 090 090 Set Value KX FL612CX KX FL612CX S 6 4 5 HISTORY Example of a printed out list HISTURY 1 eg ___ 48 TE 5 Ta 88 1JP 7 40 ESFD NONE NONE 49 NONE 9 NONE NONE 6 6
104. ART TIME RCV MODE RCV TRIG CNT YOUR LOGO YOUR FAX NUMBER JOURNAL 3 Mar 23 2000 09 51AM 6 7 8 9 10 NO ENCODE MSLT EQM RX ERROR LINE RX MAKER CODE 01 MH 20msec 0000 00000 79 02 MH 20msec 0000 00000 00 03 MR 20msec 1200 00013 00 20msec 00000 00 HOW TO READ JOURNAL REPORTS Example Look at NO 01 in the JOURNAL If you want to know about the details about that item see NO 01 in the JOURNAL 2 and the JOURNAL 3 You can get the following information MODE Fax transmission RCV MODE TEL TX SPEED 9 6 kbps RESOLUTION standard ENCODE MH MAKER CODE 79 Look at NO 04 in the JOURNAL 2 CNG 0003 indicates that the CNG signal has been received three times since the purchase date For further details see JOURNAL 2 and JOURNAL 3 114 KX FL612CX KX FL612CX S 6 5 11 1 JOURNAL 2 Refer to JOURNAL 2 in PRINTOUT EXANPLE P 116 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 2 SPEED Indicates the speed of the communication If multiple pages are transmitted or received it indicates the last page s communication speed If there is a communication error is displayed 3 RESOLUTION Indicates the resolution of
105. C666 ECUV1C104ZFV 10 1 Q604 PQVTDTC143E TRANSISTOR S C667 ECUV1C104ZFV 10 1 Q605 28B1197K TRANSISTOR S C668 ECUV1C104ZFV 10 1 Q606 PQVTDTC143E TRANSISTOR S C669 ECUV1C104ZFV 10 1 Q607 2SB1197K TRANSISTOR S C670 ECUV1C104ZFV 0 1 234 KX FL612CX KX FL612CX S Ref Part No Part Name amp Description Remarks Part No Part Name amp Description Remarks No C671 ECUV1C104ZFV 0 1 ECUV1H101JCV 100 C672 ECUV1C104ZFV 0 1 ECUV1C104ZFV 0 1 C673 ECUV1C104ZFV 0 1 ECUV1C104ZFV 0 1 C674 ECUV1H150JCV 15 1 5100 10 C675 ECUV1H150JCV 15 ECUV1H181JCV 180 C676 ECUV1H150JCV 15 CONNECTORS C677 ECUV1H270JCV 27 PQJS28X59Z CONNECTOR 28P C678 ECUV1C104ZFV 0 1 PQJP4G30Z CONNECTOR 4P C679 ECUV1C104ZFV 0 1 PQJP3G30Z CONNECTOR 3P C680 ECUV1H270JCV 27 PQJP02G100Z CONNECTOR 2P C681 ECUV1C104ZFV 0 1 PQJP5G30Z CONNECTOR 5P C682 ECUV1C104ZFV 0 1 PQJP8G30Z CONNECTOR 8P C683 ECUV1C104ZFV 0 1 PQJS08X53Z CONNECTOR 8P C684 ECUV1C104ZFV 0 1 PQJP7G30Z CONNE
106. CE DRUM CHANGE SUPPLIES Recording paper was not fed into the unit properly Reinsert the recording paper FAILED PICK UP H ing paper w properly g pap e The unit has a document in memory See the other displayed message instructions to print out the FAX IN MEMORY document e The memory is full of received documents due to lack of recording paper or a recording paper jam etc FAX MEMORY FULL Install paper or clear the jammed paper e When performing memory transmission the document being stored exceeds the memory capacity of the unit Transmit the entire document manually LOW TEMP e The inside of the unit is extremely cold and cannot be operated Use the unit in a warmer area While the unit cannot be operated the received documents are temporarily stored into the memory and will be printed out automatically when the unit warms up e When making a copy the document being stored exceeds the memory capacity of the unit Press STOP MEMORY FULL to clear the message Divide the document into sections e There is something wrong with the modem circuit MODEM ERROR The other party s fax machine is busy or has run out of recording paper Try again NO FAX REPLY FED y T Papa GS e Recording paper is not installed or the unit has run out of paper Install paper OUT OF PAPER e Recording paper is not fed into the unit properly Reinstall paper e recording paper jam occurred Clea
107. CERS 235 KX FL612CX KX FL612CX S Part No Part Name amp Description Ref Part No Part Name amp Description Remarks No PFVIRM574SL PHOTO SENSOR R659 ERJ3GEYJ391 390 PFVIRM574SL PHOTO SENSOR R660 ERJ3GEYJ472 4 7k RESISTORS R664 ERJ3GEYJ203 20k ERJ3GEYOROO 0 R668 ERJ3GEYOROO 0 ERJ6GEYOROO 0 R675 ERJ3GEYJ473 47k ERJ6GEY0R00 0 R678 ERJ3GEYJ470 47 ERJ6GEY0R00 0 R679 ERJ3GEYJ105 1M ERJ3GEYJ271 R680 ERJ3GEYOROO 0 ERJ3GEYJ271 R681 ERJ3GEYOROO 0 ERJ3GEYJ271 R682 ERJ3GEYOROO 0 ERJ3GEYJ271 R683 ERJ3GEYJ220 22 ERJ6GEYOROO R687 ERJ3GEYJ473 47k ERJ3GEYJ271 R688 ERJ3GEYJ473 47k ERJ3GEYJ271 R690 ERJ3GEYJ101 100 ERJ3GEYJ271 R691 ERJ3GEYJ101 100 ERJ3GEYJ271 R695 ERJ3GEYJ220 22 ERJ6GEYOROO R696 ERJ3GEYJ220 22 ERJ3GEYOROO R697 ERJ3GEYJ220 22 ERJ3GEYOROO R698 ERJ3GEYJ220 22 ERJ6GEYOROO R701 ERJ3GEYJ473 47k ERJ6GEY0R00 R704 ERJ3GEYJ475 4 7M ERJ6GEY0R00 R705 ERJ3GEYJ4R7 4 7 ERG2SJ271 R707 ERJ3GEYJ334 330k ERJ3GEYJ103 R708 ERJ3GEYJ222 2 2k ERJ3GEYJ563 R709 ERJ3GEYJ472 4 7k ERJ3GEYJ562 R710 ERJ3GEYJ4R7 4 7 ERJ3GEYJ562 R716 ERJ3GEYJ100 10 ERJ3GEYJ562 R719 ERJ3GEYJ183 18k ERJ3GEYJ562 R721 ERJ3GEYOROO 0 ERJ6GEYJ331 R722 ERJ3EKF1101 1 1 ERJ3GEYJ103 R723 ERJ3EKF3602 36k ERJ3GEYJ563 R724 ERJ8GEYJ2R
108. CTOR 7P C685 ECUV1H120JCV 12 PQJP4G30Z CONNECTOR 4P C686 ECUV1H150JCV 15 PQJP5G30Z CONNECTOR 5P C687 ECUV1C104ZFV 0 1 05 1002 CONNECTOR 5P C689 ECUV1C104ZFV 0 1 PQJP08G100Z CONNECTOR 8P C690 ECUV1C104ZFV 0 1 PQJP8G30Z CONNECTOR 8P C691 ECUV1H270JCV 27 6 302 CONNECTOR 6P C692 ECUV1C104ZFV 0 1 FUSES C693 ECUV1C104ZFV 0 1 PFRB0031063 FUSE C694 ECUV1C104ZFV 0 1 PFRB0031063 FUSE C695 ECUV1C104ZFV 0 1 PFRB0031031T FUSE C696 ECUV1C104ZFV 0 1 PFRB0032315T FUSE C698 ECUV1C104KBV 0 1 PFRB002122KZ FUSE C699 ECUV1C104KBV 0 1 PFRB0031200 FUSE C700 ECUV1C104KBV 0 1 CERAMIC FILTERS C701 ECUV1C104ZFV 0 1 PFVF1B102SP CERAMIC FILTER C702 ECUV1C104ZFV 0 1 PFVF1B102SP CERAMIC FILTER C703 ECUV1C104ZFV 0 1 PFVF1B102SP CERAMIC FILTER C704 ECUV1C104ZFV 0 1 PFVF1B102SP CERAMIC FILTER C705 ECUV1C104KBV 0 1 PFVF1B102SP CERAMIC FILTER C706 ECUV1C104KBV 0 1 PFVF1B102SP CERAMIC FILTER C708 ECUV1C104ZFV 0 1 PFVF1A102ST CERAMIC FILTER C710 ECUV1A105ZFV 1 PFVF1A102ST CERAMIC FILTER C711 ECUV1H332KBV 0 0033 PFVF1A102ST CERAMIC FILTER C712 ECUV1A105ZFV 1 PFVF1A102ST CERAMIC FILTER C713 ECUVI1A105ZFV 1 PFVF1B252SDT CERAMIC FILTER s C716 ECUV1H102KBV 0 001 PFVF1B252SDT CERAMIC FILTER s C717 ECUV1C104ZFV 0 1 PFVF1B252SDT CERAMIC FILTER s C718 ECUV1H102KBV 0 001 PFVF1B252SDT CERAMIC FILTER s C719 ECUV1C104ZFV 0 1 PFVF1B252SDT CERAMIC FILTER 5 C720 ECEA0JKA221 220 s PFVF1B252SDT CERAMIC FILTER s C721 ECUV1C104ZFV 0
109. CUV1A105ZFV 1 L227 ERJ3GEYOROO 0 ECUV1H271KBV 270 L228 ERJ3GEYOROO 0 ECUV1C104ZFV 0 1 L231 ERJ3GEYOROO 0 CONNECTORS amp JACKS L240 ERJ3GEYOROO 0 0261002 CONNECTOR 2P 1241 ERJ3GEYOROO 0 PQJS28X59Z CONNECTOR 28P L262 ERJ3GEYOROO 0 PQJJ1TB18Z JACK 1263 ERJ3GEYOROO 0 PQJJ1TC5Z JACK L264 ERJ3GEYOROO 0 PQJJ1TC5Z JACK L268 ERJ3GEYOROO 0 FUSE L276 ERJ3GEYOROO 0 K5G102A00041 FUSE L278 ERJ3GEYOROO 0 CERAMIC FILTERS L279 ERJ3GEYOROO 0 PFVF1B252SDT CERAMIC FILTER S L280 ERJ3GEYOROO 0 PFVF1B252SDT CERAMIC FILTER S 1283 ERJ3GEYOROO 0 PFVF1B252SDT CERAMIC FILTER S L266 ERJ3GEYJ101 100 PFVF1B252SDT CERAMIC FILTER s L267 ERJ3GEYJ101 100 PFVF1B252SDT CERAMIC FILTER s L270 ERJ3GEYJ101 100 PFVF1B252SDT CERAMIC FILTER s L271 ERJ3GEYJ101 100 PFVF1B252SDT CERAMIC FILTER s L274 ERJ3GEYJ101 100 PFVF1B252SDT CERAMIC FILTER s L275 ERJ3GEYJ101 100 PFVF1B252SDT CERAMIC FILTER s L287 ERJ3GEYJ331 330 PFVF1B252SDT CERAMIC FILTER s R234 ERJ3GEYOROO 0 PFVF1B252SDT CERAMIC FILTER s R236 ERJ3GEYJ473 47k PFVF1B252SDT CERAMIC FILTER s R237 ERJ3GEYJ154 150k PFVF1B252SDT CERAMIC FILTER s R238 ERJ3GEYJ124 120k PFVF1B252SDT CERAMIC FILTER s R240 ERJ3GEYJ100 10 PFVF1B252SDT CERAMIC FILTER s R241 ERJ3GEYJ102 1k PFVF1B252SDT CERAMIC FILTER s R242 ERJ3GEYJ334 330k PFVF1B252SDT CERAMIC FILTER s R243 ERJ3GEYJ102 1k PFVF1B252SDT CERAMIC FILTER s R244 ERJ3GEYOROO 0 PFVF1B252SDT CERAMIC FILTER S R245 ERJ3GEYJ472 4 7k PFVF1B252SDT CERAMIC FILTER s R246
110. Charge Brush Heat Roller Charging Bias Exit Roller DC 1 0kV Developing Blade E e LSU Mirror 8 1 2 CHARGING Charging is the stage that keeps the surface of the sensitive drum a fixed electric potential The sensitive drum is the Organic Photo Conductor OPC which is a electric conductive cylinder whose surface is covered with the Charge Generation Layer CGL and Charge Transfer Layer CTL When the charging bias DC 1 0 KV is added and the minus charge is supplied to the charge brush while charging the whole surface potential of the drum is 600V Charge Brush Charge Generation Layer CGL Layer where charge is generated with drum at receiving light _ Charging Bias DC 1 0kV Charge Transfer Layer CTL Layer which transported charge generated by CGL of drum Charging Part 197 KX FL612CX KX FL612CX S 8 1 3 EXPOSING When the drum which is charged with the fixed electric charge is irradiated by the laser beam the plus charge and minus charge are generated at the Charge Generation Layer Passing through the Charge Transfer Layer which conducts the plus charge the minus charged drum s surface is neutralized to be skipped Then the minus charge goes to the ground from the electric conductive cylinder Consequently the charge of the part which is not exposed remains as it is and the electric potential of the scanned part changes At that time an invisi
111. E REDIAL PAUSE KSL1 QUICK SCAN S6 VOL CID SEARCH DIRECTORY KSL2 COPY __ PREV CIDPRNT 9 j 7 KSL3 RESOLUTION COLLATE 682 MONITOR KSL4 FAX START vos su HELP L 6 5 4 LED7 should be set to KSL4 8 x 5 key matrix is executed by hardware scanning b Soft Scan SKINO XLED8 KIN1 XLED12 KIN2 XLED11 SKS0 LED6 SKS1 XLED9 SKS2 XLED10 2 LED e AUTO ANSWER LED ON OFF port LED2 e CALLER IQ LED ON OFF port LED3 184 KX FL612CX KX FL612CX S 7 13 LCD SECTION The Gate Array IC101 works only for writing the ASCII code from the data bus D4 D7 V0 is supplied for the crystal drive R130 and R134 are density control resistors Consequently in this unit the timing positive clock is generated by the LCD interface circuitry in the gate array 101 Circuit Diagram ENABLE LCD UNIT COB RESET IC101 COB Chip on Board Timing Chart Enable e D4 D7 X X DATA lt Density gt 2 LINE NORMAL H L DARKER L L Large NORMAL H H DARKER H L 185 KX FL612CX KX FL612CX S 7 14 HVPS High Voltage Power Supply SECTION 7 14 1 HVPS SPECIFICATION 1 Electrostatic Charge CHG BIAS Developing DEV BIAS Developing DEV BIAS Transfer TRA BIAS Transfer TRA BIAS Output current varies with the rate printed
112. ERJ3GEYJ103 10k PFVF1B252SDT CERAMIC FILTER s R247 ERJ3GEYJ103 10k PFVF1B252SDT CERAMIC FILTER s R248 ERJ3GEYJ222 2 2k PFVF1B252SDT CERAMIC FILTER s R250 ERJ3GEYJ102 PFVF1B252SDT CERAMIC FILTER s R251 ERJ3GEYJ103 10k PFVF1B252SDT CERAMIC FILTER s R253 ERJ3GEYJ123 12k PFVF1B252SDT CERAMIC FILTER s R266 ERJ3GEYJ103 10k PFVF1B252SDT CERAMIC FILTER s R268 ERJ3GEYJ103 10k PFVF1B252SDT CERAMIC FILTER s R270 ERJ3GEYJ562 5 6k PFVF1B252SDT CERAMIC FILTER s R275 ERJ3GEYJ821 820 PFVF1B252SDT CERAMIC FILTER s R276 ERJ3GEYJ223 22k PFVF1B252SDT CERAMIC FILTER s R277 ERJ3GEYJ563 56k PFVF1B252SDT CERAMIC FILTER S R278 ERDS2TJ150 15 s PFVF1B252SDT CERAMIC FILTER s R279 ERJ3GEYJ102 1k PFVF1B252SDT CERAMIC FILTER s R280 ERJ3GEYJ101 100 PFVF1B252SDT CERAMIC FILTER s R281 ERJ3GEYJ394 390k PFVF1B252SDT CERAMIC FILTER s R282 ERJ3GEYJ244 240k PFVF1B252SDT CERAMIC FILTER s R283 ERJ3GEYJ134 130k PFVF1B252SDT CERAMIC FILTER s R284 ERJ3GEYJ392 3 9k PFVF1B102SP CERAMIC FILTER R285 ERJ3GEYJ183 18k PFVF1B252SDT CERAMIC FILTER R287 ERJ3GEYJ472 4 7k PFVF1B252SDT CERAMIC FILTER R288 ERJ3GEYJ102 1k COILS R289 ERJ3GEYJ104 100k 003 COIL s R291 ERJ3GEYJ124 120k PFLE126 COIL s R293 ERJ3GEYJ683 68k L239 PQLQR1E32A07 COIL s R295 ERJ3GEYJ224 220k L242 PQLQR1E32A07 COIL S R296 ERJ3GEYJ224 220k L247 PQLQR1E32A07 COIL S R297 ERJ3GEYJ224 220k L248 PQLQR1E32A07 COIL s R298 ERJ3GEYJ154 150k PHOTO ELECTRIC TRANSDUCERS R299 ERDS1TJ682 6 8k s 238
113. ET C615 ECUV1A224KBV 0 22 PFZE1304Z M GIFT BOX KX FL612CX C616 1 8100 10 8 PFZE1339Z M GIFT BOX KX FL612CX S C617 ECEA1CKS100 10 S 3072 CUSHION C618 F2A0J1010036 100 PEPHISORY CUSHION C619 ECUV1A224KBV 0 22 13602 CUSHION C621 ECUV1A105ZFV 1 PEPNISBIZ CUSHION C622 ECUV1C104ZFV 0 1 FEPDIl SY CUSHION C623 ECUV1H102KBV 0 001 1040 PROTECTION COVER C624 ECUV1HLO2KBV 0 001 XZB20X35A04 PROTECTION COVER C625 ECUV1HLO2KBV 0 001 XZB32X45A04 PROTECTION COVER C626 ECUV1H102KBV 0 001 10462 PROTECTION COVER C627 ECUV1H102KBV 0 001 C628 ECUV1C104ZFV 0 1 C629 ECUV1C104KBV 0 1 C630 ECUV1H103KBV 0 01 Ref Part No Part Name amp Description Remarks C631 ECUV1H100DCV 10 s No C632 ECUV1H100DCV 10p S 1 PFWP1FL612CX DIGITAL BOARD ASS Y RTL C633 ECUV1A224KBV 10 22 ICs C634 ECUV1H330JCV 33p IC600 C1CB00001923 C647 ECUV1A224KBV 10 22 IC602 C1CB00001637 IC C648 1 101 100 s IC604 C3ABPG000102 IC C652 ECUV1H222KBV 0 0022 IC605 1 00001566 IC C654 ECUV1H222KBV 0 0022 IC606 C1CB00001551 IC C655 ECUV1H120JCV 12p IC607 PFWIFL612CX IC ROM C656 ECUV1H150JCV 15 IC608 CODBFGD00012 IC C659 ECUV1H150JCV 15 IC609 COGBHO0000015 C661 ECUV1C104ZFV 10 1 IC610 PFVIT2003APS IC S C662 ECUV1C104ZFV 0 1 IC611 COJBARO00386 C663 ECUV1C104ZFV 10 1 TRANSISITRS C664 ECUV1C104ZFV 0 1 Q602 PQVTDTC143E TRANSISTOR S C665 ECUV1H270JCV 27p Q603 28B1197K TRANSISTOR S
114. ET mode confirm the set values L 5 TEST mode Special Operating Procedure MENU button LCD LCD SYSTEM SET UP SYSTEM ITEM Follow the instructions on the LCD Code A lt XXXXXXX User mode Some codes for the Test Functions while others are for the Set Functions LCD LCD User mode MENU button 2 PRINT button SETUP LIST START SET button Print out Code Follow the instructions on the LCD Service moder 5 XXXXXXX Some codes are for the Test Functions and some are for the special and normal Set Functions START Set value Print out LCD 61 KX FL612CX KX FL612CX S 6 2 3 SERVICE FUNCTION TABLE Code Function Set Value Effective Default Remarks Range Pause time set 100 001 600 0 ES an Gel signal detect time X 100msec CED frequency select 1 2100 Hz 2 1100 Hz International mode select 1 ON 2 OFF s Auto standby select 2 BE Receive equalizer select Call Service Clear Document feed position adjustment X mm If it is difficult to feed documents raise the set value set value If multi documents feed occurs lower the set value 550 Memoyy dear 1 1 S ROM check See P 64 DTMF singl
115. Feed Roller Remove the Separation Rubber and Separation Paper Holder A 4 Remove the Operation Board A 5 Remove the Upper Frame A 5 Remove the Lower Frame 6 Remove the Separation Rubber A 6 Remove the Document Feed Roller A 6 Remove the Separation Spring Remove the Gears for ADF Remove the Transfer Roller A 7 A 8 Remove the Separation Roller CROSS REFERENCE A1 HOW TO REMOVE THE OPERATION PANEL ASS Y P 43 A2 HOW TO REMOVE THE PICK UP UNIT P 44 A3 HOW TO REMOVE THE PICK UP ROLLER P 45 A4 HOW TO REMOVE THE OPERATION BOARD P 46 A5 HOW TO REMOVE THE LOWER FLAME P 47 A6 HOW TO REMOVE THE SEPARATION RUBBER P 47 A7 HOW TO REMOVE THE TRANSFER ROLLER P 48 A8 HOW TO REMOVE THE SEPARATION ROLLER P 49 41 KX FL612CX KX FL612CX S 5 2 LOWER MAIN CABINET SECTION B 1 Remove the Bottom Plate B 2 Remove the Analog Board B 10 Remove the Fuser unit Remove the Hogh Voltage B 6 Remove the Low voltage Power Board Remove the Laser Unit B 5 Remove the Fan unit Remove the Document Feed Motor C 1 Remove the CIS CROSS REFERENCE B1 B2 B3 B4 B5 B6 B7 B8 B9 B1 C1 HOW TO REMOVE THE BOTTOM PLATE P 50 HOW TO REMOVE THE ANALOG BOARD P 50 HOW TO REMOVE THE HIGH VOLTAGE POWER BOARD P 51 HOW TO REMOVE THE LASER UNIT P 51 HOW TO REMOVE THE FAN UNIT P 52 HOW TO REMOVE THE LOW VOLTAGE POWER BOARD P 52
116. HECK DRUM FAILED PICKUP OUT OF PAPER PAPER JAMMED TONER EMPTY TONER LOW CHECK DRUM CN201 CN600 Analog P C B 175 KX FL612CX KX FL612CX S KX FL612CX KX FL612CX S 7 11 2 DOCUMENT SENSOR The Sensor detects whether or not a document is in place When a document is detected the shelter plate shuts off the sensor light the photo transistor turns OFF and the input signal of IC101 19pin becomes a high level When there is no document the shelter plate let the sensor light pass through the photo transistor turns ON and the input signal of IC101 19pin becomes a low level SHELTER PLATE 5V 5V R120 3300 PS101 Operation Board 7t Photo transistor Signal IC101 19pin Document Set High level 7 11 3 PAPER FEED SENSOR The Sensor detects the front edge of the document When a document is detected the switch turns ON and the input signal of IC605 74pin becomes a low level When there is no document the switch turns OFF and the input signal of IC605 74pin becomes a high level 5V SW146 R146 R129 1000 00 Operation Board Digital Board Swth Signal IC605 74pin Read Position Non Read Position High level 176 KX FL612CX KX FL612CX S 7 11 4 TOP COVER OPEN SWITCH The Switches detect whether the printer cover is open or closed When the printer cover is closed the switches turn ON and the input signal of IC605 37p
117. ITO _ x SN Jor 2 eis 8 Tyoe V SZE 215 995 11921 Ave 1220 gt obw M 6797 IN d 1no3Nn z 20161 T an 1HOHSd 1 XV3 THORS T NOL vt 20181 2091 i 2092 102 INOT 9 o3 d Ni3Nn 20191 1091 d NISN XH ANN 42090 900013 XIS s09u WOORXS 81 21 5 61 mE 04 avava 12 22 Xo Tag d 2 20181 9091 MER log Ir 17 mW as oo 92 dogir 1 2 20181 5091 aar AM 2 XT avi ez gir 19220 20181 091 MIW ols 21 8 5 2 8 818818 55 GOSH anaana I AN nme z 2 v 8 2 22 48 109NO GAS GAS 19
118. ITOR C113 ECQB1H471JF 470p ECUVIH271KBV 270p C115 ECQBiHi103JF 0 01 C116 ECQU2A104ML 0 1 A Gat I EEUU 5 12 9 DRUM AND TONER SENSOR C202 EEUFC1V102 1000 BOARD PARTS C204 EEUFC1C102 1000 C206 EEUFCIAISI 150 Ref Part No Part Name amp Description Remarks C208 ECQV1H474JZ 0 47 PE 212 ECQV1H474JZ 0 47 PCB7 PFLP1481MZ C DRUM amp TONER SENSOR BORD COILS ASS Y RTL L101 ELF15N010A COIL S A IC L102 ELF15N010A COIL S A IC60 B4aBc0000001 IC L103 PQLQSTPO3694 COIL S A CONNECTOR L105 PQLE53 COIL S CN60 PQJP4G30Z CONNECTOR 4P s L202 PQLE53 COIL S SWITCH PHOTO ELECTRIC TRANSDUCERS SW60 PFSH1A005Z SWITCH S PC101 0431715 PHOTO COUPLER CAPACITOR PC102 PFVIS21ME6NY PHOTO COUPLER S A C60 ECUV1C104zFV 0 1 PC103 0431715 PHOTO COUPLER RESISTORS TESTEN 12 10 VARISTOR BOARD PARTS 5 02 ERGZEULOS 1006 Part Part amp Description R103 ERG2SJ221 220 R104 _ ERDS2TJ472 4 78 PFLP1481MZ D VARISTOR BOARD ASS Y RTL R105 ERX2SJR33 0 33 VARISTOR R106 ERDS2TJ823 82k PFRV271NS05K VARISTOR R107 ERDS2TJ823 82k R110 EROS2TKF2000 200 2111 ERDS2TJ150 15 12 11 FIXTURES AND TOOLS R112 ERDS2TJ181 180 R113 ERDS2TJ220 22 Part No Part Name amp Description Remarks IT ETT T PQZZ6K7Z EXTENSION CORD 6P sae PQZZ8K18Z EXTENSION CORD 8P 2117 PFZZ5K13Z EXTENSION CORD 5P 2115 PEEDREDe J 33 eso PQZZ28F1Z EXTENSION CORD X139 VUE T PQZZ4K5Z EXTENSION CORD 4P ET 120 PQZZ7K5Z EXTENSION CORD 7P
119. LER DEVELOPING 7 I ROLLER DRUM UNIT THERMO STAT 1 HEAT LUMP HEATER SENSOR BOARD ens THERMISTOR 1 FUSER UNITI 147 KX FL612CX KX FL612CX S 7 2 GENERAL BLOCK DIAGRAM The following is an outline of each device IC on the digital board 1 ASIC IC606 This custom IC is used for general FAX operations 1 ICPU This model uses a Z80 equivalent CPU operating at 16MHz Many of the peripheral functions are handled by custom designed LSIs As a result the CPU only needs to process the results Real time clock DECODER Decords the address ROM RAM Controls the SELECT signal of ROM or RAM and bank switching LSU Controls the polygon motor and outputs the VIDEO signal to LSU PORT Port Interface 7 JANALOG UNIT Sends beep tones etc Convert the analog signal to the digital signal 8 MOTOR Controls the SCAN Motor 2 G A IC605 1 OPERATION PANEL I F Serial interface with Operation Panel 2 ANALOG GATE ARRAY I F Controls the ANALOG GATE ARRAY 3 MOTOR I F Controls the ENGINE Motor 4 FAN I F Controls FAN MOTOR and detect the rotation of FAN MOTOR b SENSOR I F Controls the LED and detect the sensor signal 6 PORT I O Port Interface 3 ROM 607 This 8MB FLASH ROM contains all of the program instructions on
120. N the unit 7 MONTH The shows the very first month date year and time set by the user after they purchased the unit 8 DAY The shows the very first month date year and time set by the user after they purchased the unit 9 YEAR The shows the very first month date year and time set by the user after they purchased the unit 10 TIME The shows the very first month date year and time set by the user after they purchased the unit 11 USAGE TIME The amount of time the unit has been powered ON 12 FACTORY NOW This shows how many days from factory production until the user prints out this history list 13 TEL MODE The amount of time the TEL mode setting was used 14 FAX MODE The amount of time the FAX mode setting was used 15 Not used 16 Not 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 compression rate when receiving 20 SETTING NO OF DIRECTORY The recorded directory stations one touch dial 21 NUMBER OF COPY The number of pages copied 22 NUMBER OF RECEIVE The number of pages received 23 NUMBER OF SENDING The number of pages sent 24 NUMBER OF CALLER ID The number of times Caller ID was received 25 Not used 26 Not used 27 Not used 74 28 Not used 29 Not used 30 Not used 31 NUMBER OF PRINTING HELP The number of help
121. NRO 8 2 0 o 86 0 s BhXMOTORCONROL 87 _______ 0 5 NOTUSED 89 vss 10 59 0 00 90 057 1 0 O 5 jJjorusp 1 91 FANDETVIOP14 1 5 DETECTFANROTATION 92 FANONUOPIS 10 5 FANCONTROL 0 93 J FANDETZIOPIG 5 OUTPUT PORT BREAK 94 FANONZIOPI7 10 5 FANCONTROL 95 amp o NOT USED 96 0 sv QUTPUTPORTRLY 97 iopeacso_ 11 5 INPUT PORT VOX 98 SENCTLOIOPOUM 0 5 LED CONTROL EXIT SENSOR 99 SENCTLIOPOS 0 v LED CONTROL REGIST SENSOR 155 KX FL612CX KX FL612CX S 7 3 2 RTC BACKUP CIRCUIT 1 Function This unit has a lithium battery BAT600 which works for the Real Time Clock IC RTC inside IC606 The RTC continues to work backed up by a lithium battery even when the power switch is OFF 2 RTC Inside IC606 Backup Circuit Operation When the power switch is turned ON power is supplied to the RTC inside IC606 At this time the voltage at pin 10 of the 606 is 3 3V When the power switch is turned OFF the BAT600 supplies power to RTC through D602 The voltage at pin 10 of 606 is about 2 5V When the power switch is OFF and the voltage of 3 3V decreases pin 10 of RTC 606 becomes roughly the same voltage as the battery voltage RTC goes into the backup mode in which the power consumption
122. ONS Is the data faxed correctly Turn ON the FAX monitor function and have the receiver transmit the data again Does the communication error code 49 occur CROSS REFERENCE TEST FUNCTIONS P 64 122 Modem test Refer to TEST FUNCTIONS NO Confirm if the receiver s FAX machine was set to the receive mode CROSS REFERENCE TEST FUNCTIONS P 64 NO KX FL612CX KX FL612CX S 9 x Reception is complete when the T1 TIMER expires Perform the communication test using the LOOP simulator and check the machine s reception condition Is the data transmitted correctly YES Turn ON the FAX monitor func tion and have the receiver transmit the data again YES Is communication OK NO Is the FAX signal audible after the image data is received End YES 123 KX FL612CX KX FL612CX S DCN is received after the transmission of NSC and DTC Confirm if a mechanical problem occurred E g transmission was interrupted the document was out of place or on the receiving side being polled NO Was it a mechanical error as mentioned above Ask the service section for the receiver s FAX machine to confirm the machine s condition Ask the receiver to set the poll mode again and perform polling DON is received after DIS transmission Confirm if a mechanical problem occurred
123. ORDER NO KMF0501841C3 Service Manual High Speed Laser Fax and Copier KX FL612CX KX FL612CX S for Asia Middle Near East and Africa for Saudi Arabia A WARNING This service information is designed for experienced repair technicians only and is not designed for use by the general public It does not contain warnings or cautions to advise non technical individuals of potential dangers in attempting to service a product Products powered by electricity should be serviced or repaired only by experienced professional technicians Any attempt to service or repair the product or products dealt with in this service information by anyone else could result in serious injury or death When you note the serial number write down all of the 11 digits The serial number may be found on the bottom of the unit IMPORTANT INFORMATION ABOUT LEAD FREE PbF SOLDERING If lead free solder was used in the manufacture of this product the printed circuit boards will be marked PbF Standard leaded Pb solder can be used as usual on boards without the PbF mark When this mark does appear please read and follow the special instructions described in this manual on the use of PbF and how it might be permissible to use Pb solder during service and repair work 2005 Panasonic Communications Co Ltd All P n ni rights reserved Unauthorized copying distribution is a violation of law KX FL612CX KX FL612CX
124. P 64 KX FL612CX KX FL612CX S No response after the post message is transmitted three times Inquire with the receiver if the caller s document was sent correctly Was the data sent correctly Ask the service section for the receiver s FAX machine to con firm the machine s condition RTN and PIN are received No response after FTT is transmitted Perform the communication test using the LOOP simulator and check the machine s reception condition NO No problem with the machine hardware Perform voice communication with the NG caller Check if the line was not inter rupted by noises or cross talk If not wait until the line is able to perform correct com munication 121 KX FL612CX KX FL612CX S No post message Turn ON the FAX monitor func tion and have the receiver trans mit the data Is the FAX signal post message audible after the image data is received Ask the service section for the sender s FAX machine to confirm the machine s condition Receive Completed NO Does an error YES error code 48 still occur Do error lines exist on the Decrease the RX speed received document YES RTN is transmitted PIN is transmitted to PRI Q PIN is transmitted Perform the communication test using the LOOP simulator and check the machine s reception condition Modem test Refer to TEST FUNCTI
125. P 66 OPERATION PANEL SECTION P 131 LED lights up CIS scanning Refer to CIS Contact Image Sensor SECTION P 138 LSU TEST Laser radiates Polygon rotates Refer to LSU SECTION P 137 MEMORY CLEAR Service Mode 5545709 reset the value to the default one except the top margin 853 left margin START 854 time day 001 logo 002 Fax no 003 History and Directory data Please restart a power supply after clearing a memory High Voltage Power Service Mode Refer to HIGH VOLTAGE VALUE CHECK POINT P 139 Supply Board START CHECK FAN TEST Service Mode 1 TEST OFF START 2 High speed rotation 3 Low speed rotation 64 KX FL612CX KX FL612CX S Test Mode Type of Mode Function Operation after code input SENSOR CHECK Service Mode First of all press the copy button and confirm the action of ON OFF For each sensor s operation refer to SENSORS AND SWITCHES SECTION P 175 DSCPREDT 3F D4 V LCD DISPLAY D Document sensor D Document set No document Paper Feed Sensor S Read position No read position Printer Cover Switch C Open Close Paper sensor P Recording paper set No recording paper Regist Sensor R Detect recording paper Not defect recording paper Exit Sensor E Detect recording paper Not detect recording paper Drum Sensor D DRUM set No DRUM Toner Sensor T Toner sensor ON Toner sensor OFF None 3F Temperature of THERMIS
126. Part No Part Name amp Description Remarks KX FL612CX KX FL612CX S ERJ3GEYJ820 82 ERJ3GEYJ820 82 ERJ3GEYJ820 82 ERJ3GEYJ822 8 2k ERJ3GEYJ222 2 2k ERJ3GEYJ473 47k ERJ3GEYOROO 0 ERDS1TJ6R8 6 8 ERJ3GEYJ681 680 ERJ3GEYJ182 1 8k ERJ3GEYJ182 1 8k ERDS1VJ333 33k ERJ3GEYJ103 10k ERJ3GEYJ563 56k ERJ3GEYJ103 10k ERJ3GEYJ563 56k ERJ3GEYJ100 10 ERJ3GEYJ114 110k ERJ3GEYJ334 330k ERJ3GEYJ134 130k ERJ3GEYJ223 22k ERJ3GEYJ104 100k ERJ3GEYJ103 10k ERJ3GEYJ105 1M ERJ3GEYJ154 150k ERJ3GEYJ183 18k ERJ3GEYJ243 24k ERJ3GEYJ243 24k ERJ3GEYJ4R7 4 7 ERJ3GEYJ101 100 ERJ3GEYJ4R7 4 7 ERJ3GEYJ102 1k ERJ3GEYJ103 10k RELAY PFSLO03Z RELAY VARISTORS PQVDDSS301L VARISTOR SURGE ABSORBER PFRZOO1Z VARISTOR SURGE ABSORBER ERZVA7D151 VARISTOR PFRV271NSO5K VARISTOR SWITCH 1 0112 SWITCH TRANSFORMERS PFLT8E003 TRANSFORMER PFLT8E004 TRANSFORMER OPERATION BOARD PARTS Ref Part
127. RGE BRUSH PFUV1065X COVER OPERATION PANEL PS HB Type amp Wattage of Resistor 12092 LEVER DOC DETECTION POM Type PFUS1445Z SPRING EARTH DOCUMENT B PFUS1447Z SPRING EARTH DOC ROLLER ERC Solid ERX Metal Film PQ4R Carbon PPUS1T242Z SPRING EARTHCOP A ERD Carbon ERG Metal Oxide ERS Fusible Resistor PQRD Carbon ERO Metal Film ERF Cement Resistor Wattege OPERATION COVER SECTION 3 10 16 1 8W 14 25 1 4W 12 1 2W 14W 2 2W 3 3W Type amp Voltage of Capacitor Part No Part Name amp Description PFDS1010Z ROLLER SEPARATION ECFD Semi Conductor ECCD ECKD ECBT PQCBC Ceramic PFDJ1063Y SPACER SEPARATION ROLLER ECQS Styrol ECQE ECQV ECQG Polyester PFDE1198Z ARM PQCUV Chip ECEA ECSZ Electlytic PFDG1189Z GEAR ECQMS Mica ECQP Polypropylene PFDG1295Z GEAR Voltage PFUS1422Z COIL SPRING LOCK ARM ECQG ECSZ Type Others PFDE11992 ARM LOCK ECQV Type PFDE1200Y SPACER LOCK ARM 1H 50V 05 50V OF 3 15V 0 6 3V 1V 35V 12962 GEAR SEPARATION 2A 100V 1 100V 1A 10V 10V 50 1H 50V PFJS07P32Z CONNECTOR 7P 2E 250V 2 200V 1 35 1C 1 63V N2GZBE000006 CIS CONTACT IMAGE SENSOR 2H 500V 0J 6 3V 1E 25 25V 2A 100V PFUS1440Y COIL SPRING CIS PFDF1098Z SHAFT SUPPORT ROLLER 12 1 CABINET AND ELECTRICAL PFDR1044Y ROLLER DOC SUPPORT 7 PFUS1441Y COIL SPRING SUPPOR ROLLER PARTS PFUG1017Z GUIDE MIDDLE PFDG1297Z GEAR 12 1 1 OPERATION COVER SECTION 1 12362 GEAR PFDE1201X ARM Part No Part Name amp Descriptio
128. S 557 ek c ihe Se Dialing mode 1 PULSE 2 TOE K K z O 561 OK OK 1 5 2 10 3 15 4 20 6 H v P S check j 630 Paperjam cause distinction __ N 2 j z s NG NI 651 White system program into the Flash ROM 655 Cause distinction code of call service 3 710 Memory clear except History data OK 717 Transmit speed select 1 14400 2 12000 3 9600 4 7200 14400bps 5 4800 6 2400 69 NG NG NG 2 KX FL612CX KX FL61 2cx s Code Function Set Value Default Remote Setting 718 Receive speed select 1 14400 2 12000 3 9600 4 7200 14400bps OK 5 4800 6 2400 721 OFF 30s 771 356 774 T4timer 0 9 0065 00 OK 815 Sensortest j N j 852 Printtestpaten N 853 854 874 0 00 90 875 DTMF OFF time jo60 200mec 90 880 History list N 881 27 0 N 892 j N 991 OK 994 pStt 995 Journal 2 18 996 Journal i sae 998 History list __ 999 Sevielst bs
129. SECTION 1 227 KX FL612CX KX FL61 2cx s 10 9 LOWER MAIN CABINET SECTION 2 228 KX FL612CX KX FL612CX S 10 10 LOWER CABINET SECTION 3 229 KX FL612CX KX FL612CX S 10 11 ACTUAL SIZE OF SCREWS AND WASHER gt i sp Kx FL612CX KX FL612CX S 11 ACCESSORIES AND PACKING MATERIALS A1 Toner cartridge Drum unit P5 231 KX FL612CX KX FL612CX S 12 REPLACEMENT PARTS LIST RTL Retention Time Limited Part No Part Name amp Description Remarks Notes PFBX119221 PUSH BUTTON DERC ABS HB 1 The marking RTL indicates that the Retention Time is PFBX119121 PUSH BUTTON NAVI ABS HB limited for this item PFBC110021 PUSH BUTTON AUTO ANSWER ABS HB 109821 PUSH BUTTON MENU ABS HB After the discontinuation of this assembly in production the 119321 PUSH BUTTON STP ABS HB item will continue to be available for a specific period of 110121 PUSH START ABS HB time The retention period of availability is dependent on the 99921 I PUSH BUTTON START ABSCHE type of assembly
130. SERVICE 2 means that the synchronous signal out of the LSU cannot be detected The synchronous signal out of the LSU is detected by IC 606 33pin XHSYNC After the LCD indicates CALL SERVICE 2 turn the power ON OFF then confirm the waveform when theunit starts initial operation CALL SERVICE 2 Is the pulse Yes Is the pulse No input into Of IC606 33pin input Check CN612 8pin into the pin an No Yes Replace IC606 Yes Check R744 Is CN612 4pin L m out of IC605 81pin and L636 No Yes Is H output Yes out of IC606 34pin Replace IC605 No Replace IC606 Is the pulse No Is the pulse Yes input into CN612 2 out of IC605 80 p EM R743 and 3pins and 82 pins an Yes No Is the pulse Output out of IC606 3 and 36 pins Yes Replace the LSU Replace 605 No Replace IC606 As for the Pulse waveform of the above flow chart see the timing chart Note 85 KX FL612CX KX FL612CX S 6 5 6 3 CALL SERVICE CALL SERVICE 3 means that the temperature of the fuser does not rise up to or exceed a constant temperature The temperature is monitored with the thermistor inside the fuser and detected with the voltage input into IC 606 4pin After the LCD indicate CALL SERVICE 3 perform the MENU gt 9000 gt 529 Then turn the power OFF ON Perfo
131. T SPEAKER IC600 69 L603 CN600 12 CN201 17 C302 R319 1C207 24 22 C224 R232 R332 L225 1C204 6 7 L230 C237 R244 R243 T201 C253 R278 Q21 1 D210 FLT200 L239 F200 CN203 3 TEL LINE IC606 113 C602 R603 L602 CN600 14 CN201 15 R277 C266 1C207 27 34 C324 CN201 11 CN600 18 IC611 1 2 4 5 12 13 14 15 3 CN600 20 CN201 9 R343 C325 1C207 32 35 R251 C246 IC206 4 5 8 CN200 1 7 SPEAKER CN200 2 TEL LINE CN203 3 F200 L239 FLT200 D210 Q21 1 R278 C253 T201 C232 R236 L220 IC204 2 1 LPF R202 C200 IG207 23 31 CN201 13 CN600 16 L601 C613 R628 1C600 60 TEL LINE T202 R317 C299 IC202 2 1 R318 C202 1C207 20 31 CN201 13 CN600 16 L601 C841 R824 R823 C840 1C600 32 TEL LINE T202 R317 C299 IC202 2 1 R318 C202 1C207 20 31 CN201 13 CN600 16 L601 C754 R770 IC602 2 10 IC605 19 Note Inside the digital board 128 KX FL612CX KX FL612CX S 6 5 13 2 DEFECTIVE ITS Integrated Telephone System SECTION 1 No handset and speakerphone transmission reception Perform a signal test in the ITS or the NCU section and locate a defective point where the signal disappears on each route between the handset microphone and telephone line sending or between the telephone line and the handset speaker receiving or between the microphone and the telephone line sending or between the telephone line and the speaker receiving Check the components at that point CHECK SHEET P 128 is u
132. TOP NO The display can be disappeared Return to the start The display is showed at all times NO Is the paper counted up to 10 000 or the rotation counted up to 20 000 Return to the start 181 KX FL612CX KX FL612CX S 7 11 10 TONER SENSOR TONER EMPTY TONER LOW CHANGE DRUM The Sensor detects whether or not the Drum unit and the toner are present When there is not Drum unit Hall IC IC60 turns off and the input signal of IC605 7 pin Digital P C B becomes a High level over 9s When the Developer unit is set Hall IC IC60 turns ON OFF If the time of IC605 7 pin s Low level is under 600ms there is enough toner in Developer unit if not toner is near empty DIGITAL BOARD 5VD 5V IC605 CN60 CN601 28615 Sensor IC60 C606 1 1 l l l l l 1 l l R609 GA Output 3 3 7 SENIN3 1 1 l l l l 1 t l l l l 1 l Sensor Signal 11 2 67 sec OFF 5V 0 3500 ON 0V Hall IC 4 F sO sJ P C Board Sensor 2 Toner Low 2 67 i OFF 5V ooo gt 0 6sec ON 0V gt Halic 4 OFF 5V ON OV Hall IC 32 OFF 5V ON 0V Toner Sensor The rest of toner is detected by the move speed of the magnet put on the pendulum of Mixing Paddle The pendulum is pushed up by the Mixing Paddle then it falls down by its own weight The rotation speed of paddle is se
133. TOR Hex 00 FF None D4 Temperature of Atmosphere Hex 00 FF None V VOX signal V Detect the tone on the line Not detect Service Mode 1 Press 852 then the SET key in the service mode START 2 As PATNO is displayed on the LCD enter the test pattern No and press 5 is displayed the LCD enter the printing number press the SET key Press 00 for the infinite printing 4 is displayed on the LCD Press 0 to start printing or press 1 to go to the next screen 5 When 1 is pressed at MODE INTVL is displayed on the LCD Enter the printing interval 00 99 sec 6 The printing repeats the designated number of times at the programmed printing intervals The numbers in the boxes XXX indicate the keys to be input for the various test modes Note 65 KX FL612CX KX FL612CX S 6 3 1 DTMF SINGLE TONE TRANSMIT SELECTION When set to ON 1 the 12 keys and transmission frequencies are as shown When set to OFF 2 the 12 keys and transmission frequencies are as shown key Low Frequency Hz Key High Frequency Hz High Hz 1 697 5 1209 Low Hz TOR 1546 Dus 2 770 6 1336 697 1 2 a 9 852 p 1477 770 4 5 4 941 8 1633 852 8 9 941 x o up Note After performing this check do not forget to turn the setting off otherwise dialing in
134. TU T No 2 TEST CHART CCHT N 2 Mire pour test de Transmission mm lI l 1000 Z 800 600 400 2 5 200 200 ol 28 6208 KWJ4H S5TR7 2 BC6IT ZP3FM XB8UG KWJ4H XB8UG XB8UG a S5TR7 SSTR7 BC6IT ZP3FM ZP3FM 05208 QS2DR KWJ4H KWMH 55 7 BC6IT ZP3FM XB8UG 29 Transmission Test Group n III Character Transmission Test Group n ENGLISH TIMES SIZE 8 UNIVERS SIZE 8 ABCDEFGHIJKLMNOPOQRSTUVWXYZ ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwx abcdefghijklmnopqrstuvwxyz 0123456789 0123456789 23 R_E 48 E 33 X B_E amp Transmission Test Group n Il Character Transmission Test Group n IV Character ENGLISH TIMES SIZE 10 210 Groupe IH pour test de transmission compos de caract res ENGLISH TIMES 8 POINTS ABCDEFGHIJKLMNOPQRSTUVWXYZ UNIVERS SIZE 10 Groupe n I pour test de transmission caracteres UNIVERS 8 POINTS ABCDEFGHIJKLMNOPORSTUVWXYZ abcdefghijkimnopgqrstuvwxyz abcdefghijklmnopqrstuvwxyz 0123456788 0123456789 5 _ 8 8 5 3 90 B_ amp amp Groupe n IV pour test de transmission c
135. UTION AC voltage is supplied to the primary side of the power supply unit Therefore always unplug the AC power cord before disassembling for service High Voltage power Supply board Low Voltage power Supply board 1 8 3 LASER BEAM AND FUSER UNIT SECTION e The printer of this unit utilizes a laser Use of controls or adjustments or performance of procedures other than those specified herein may result in hazardous radiation exposure e The fuser unit is inside of the unit and gets hot Do not touch it when removing the jammed paper or cleaning the lower glass Fuser unit The fuser unit gets hot Do not touch it During or immediately after printing the area near the recording paper exit 1 also gets warm This is normal LASER UNIT n 42 I 6 el e fa j cel o o BOTTOM VIEW KX FL612CX KX FL612CX S 1 9 SERVICE PRECAUTIONS 1 9 1 PRECAUTIONS TO PREVENT DAMAGE FROM STATIC ELECTRICITY Electrical charges accumulate on
136. X S KX FL612CX LOW VOLTAGE POWER SUPPLY BOARD PCB5 COMPONENT VIEW KX FL612CX KX FL612CX S 16 5 2 LOW VOLTAGE POWER SUPPLY BOARD BOTTOM VIEW 264 VY 0 KX FL612CX LOW VOLTAGE POWER SUPPLY BOARD PCB5 BOTTOM VIEW KX FL612CX KX FL612CX S 849d GHVOd HOLSIHVA X2Z1914 X31 G VALEElLdNAd 2 122 889d GHVOd HOLSIHVA 79891 489d QHVO8 HOSN3S H3NOL ANY 2219714 O VALEELdNAd 0 821 22 L 394 0 82122194 49 _ 2 0 GHVO8 HOSN3S H3NOL WnHG 7 91 949d qu vO8 HOSN3S LIX3 X9Z1914 X 8 82 22 SLHVd GHVO8 HOSN3S LIX3 74991 265 KX FL612CX KX FL612CX S puce Gostar KXFL612CX 266 KXFL612CXS
137. a OK means set means not set Note Refer to SERVICE FUNCTION TABLE P 62 for descriptions of the individual codes 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 70 KX FL612CX KX FL612CX S 6 4 3 USER MODE The list below is an example of the SYSTEM SETUP LIST the unit prints out SETLIP LIST BASIC FEATURE LIST 1 ND FERTURE CURRENT SETTING 1 SET DATE amp TIME Jan 21 2005 12 06AM J YOUR LOGO HOS YOUR FAX NUMBER Code PRINT SENDING REPORT ERROR ERROR ON OFF FAX RING COUNT 2 1 9 H12 REMOTE TAM ACTIVATION OFF LON OFF ID 11 13 DIALLING MODE TONE TONE PULSE1 16 PAPER SIZE Ad LETTER Ad LEGAL 1 17 RINGER PATTERN A B C ADVANCED FEATURE LIST 1 Set Value ND FEATURE CURRENT SETTING H22 JOURNAL AUTO PRINT DN OFF 1 VAL OVERSEAS MODE ERROR NEXT FAX ERROR OFF 25 DELAYED TRANSMISSION OFF LON OFF Code DESTINATION START TIME 12 08AM 26 AUTO CALLER ID LIST ON OFF 31 DISTINCTIVE RING OFF OFF 32 RING PATTERN B D B D 5 B C D 837 QUTD REDUCTION DN OFF H33 LCD CONTRAST NORMAL NORMAL DARKER 1 841 FAX ACTIVATION CODE ON CON OFF CODE 9 844 MEMORY RECEIVE ALERT ON OFF FRIENDLY RECEPTION ON CON OFF 1 5
138. ace of the exposed OPC drum by the potential difference between the developing roller and OPC drum s surface The transfer is the stage that the created image on the OPC drum is transferred to the paper When the transfer roller is plus charged with the image the minus charged toner particles are gathered on the surface of the drum and transferred to the paper Transfer Roller Transcription Bias 4 254 constant current depends on the printing ratio A Paper Path Developing Roller Triboelectric Charging Roller Mixing Paddle Charging Bias Toner Suppl DC 1 0kV zu Developing Bias DC 200V T Supply Bias WI DC 200V Developing and Transcription Part The values of developing bias and supply bias are different from the ones described in the Service Manual for FL501 The biases output from the unit of FL501 FLM551 and FLB751 FLB750 have the same voltage However the developing device of FA78X FA78A converts the developing and supply biases inside the developing device to improve the image quality FA77X FA77A developing FA78X FA78A developing device FA84X FA84A FA84E developing device device Developing bias 350V 180V 200V Supply bias 550V 350V 200V 199 KX FL612CX KX FL612CX S 8 1 6 CLEANING The toner attached to the surface of the OPC drum is transferred to the paper at the transcription stage but a part of the toner remains The cleaning is the stage
139. ailed the high voltage power supply board 21 Bead Bed bed ba n o 80 KX FL612CX KX FL612CX S 6 5 5 3 COPY AND FAX 2 3 4 5 NO DOCUMENT FEED NO DOCUMENT FEED DOCUMENT JAM and MULTIPLE DOCUMENT FEED P 102 DOCUMENT JAM NO DOCUMENT FEED DOCUMENT JAM and MULTIPLE DOCUMENT FEED P 102 MULTIPLE DOCUMENT FEED NO DOCUMENT FEED DOCUMENT JAM and MULTIPLE DOCUMENT FEED P 102 SKEW ADF P 104 THE SENT FAX DATA IS SKEWED P 105 Failed the ADF cover open switch lever Replace the ADF cover open switch lever Dirty or failed the separation roller Clean or replace the separation roller Dirty or failed the separation rubber Clean or replace the separation rubber Failed the separation spring Replace the separation spring ThecauseofADF Go to SKEW ADF P 104 Fhecaueofscamergass U Uyy Problem with the other FAX machine o oS AX The cause of printing Go to SKEW ADF P 104 THE RECEIVED F DATA IS SKEWED P 105 Problem with the other FAX machine ry ee THE RECEIVED COPIED DATA EXPANDED P 106 BLACK VERTICAL OR LINE COPIED P 107 AN ABNORMAL IMAGE IS COPIED P 108 OR WHITE Dirty or failed the white plate 2 places Dirty or failed the glass board Dirty or failed the drive roller at ADF Dirty or failed the document feed roller at ADF Dirty or fai
140. along the pins using a soldering iron as shown in the figure below e Bridge gt gt Soldering Iron N 207 KX FL612CX KX FL612CX S KX FL612CX KX FL612CX S 8 4 DIGITAL BOARD SECTION When the unit fails to boot up the system take the troubleshooting procedures very carefully It may have a serious problem The symptom No response when the power is turned on No LCD display and keys are not accepted The first step is to check the power source If there is no problem with the power supply unit the problem may lie in the digital unit main board As there are many potential causes in this case ASIC DRAM etc it may be difficult to specify what you should check first If a mistake is made in the order of checks a normal part may be determined faulty wasting both time and money Although the tendency is to regard the problem as a serious one IC malfunction etc usually most cases are caused by solder faults poor contact due to a tunnel in the solder signal short circuit due to solder waste SMT Surface Mount Type PARTS SMT PARTS SMT PARTS Z AB LA cold soldering LEADED PARTS CHIP PARTS section RESISTOR ARRAY L section cold soldering LLP Z lt L LL nmi Ncold soldering cold soldering Note 1 Electrical continuity may have existed at the factory check but a faulty conta
141. and SENSORS AND SWITCHES PS502 FB CIS position sensor PS503 Resist sensor PC201 SECTION P 175 TEST FUNCTIONS P 64 Paper exit sensor PS50 Paper sensor PS1 Confirm the operation of the sensors 4 Glass 7 ifthe glass is dirty clean them with a dry soft cloth Refer to MAINTENANCE P 32 5 Abnormal wear and tear Replace the part Check if the screws are tight on all parts or loose parts 4 1 2 2 Maintenance Cycle SEPARATION ROLLER P 49 SEPARATION RUBBER P 47 7 years 100 000 documents Refer to HOW TO REMOVE THE SEPARATION RUBBER P 47 7 years 100 000 documents Refer to HOW TO REMOVE THE SEPARATION RUBBER P 47 peque Sere 7 years 100 000 documents Refer to HOW TO REMOVE THE PICK UP UNIT P 45 E T xi Rubber Ref No 99 3 ERU 7 years 100 000 documents Refer to HOW TO REMOVE THE PICK UP ROLLER P 44 Feed Roller Ref No 154 3 po 7 years 100 000 documents Refer to SEPARATION RUBBER 47 Transfer Roller Ref No 73 3 months 7 years 100 000 documents Refer to HOW TO REMOVE THE TRANSFER ROLLER P 48 RA Pressure Roller Ref No 120 7 years 100 000 documents Refer to FUSER SECTION P 225 Heat Roller Ref No 127 7 years 100 000 documents Refer to FUSER SECTION 225 Exit Roller Ref No 142 7 years 100 000 documents Refer to FUSER SECTION 225 If each part has got dirty clean it with a damp cloth then dry thoroughly These values are
142. and procedures for FAX communication are standardized by ITU T MODEM has hardware which sends and detects all of the necessary signals for FAX communication It can be controlled by writing commands from the ASIC 606 inside ASIC This MODEM also sends DTMF signals generates a call tone from the speaker and detects a busy tone and dial tones Overview of Facsimile Communication Procedures ITU T 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 e Group G1 Official A 4 size documents without using formats which reduce the band width of a signal are sent over telephone lines Determined in 1968 Transmission for about 6 minutes at a scanning line density of 3 85 lines mm e Group II G2 Using reduction technology in the modulation demodulation format an A 4 size document is sent at an official scanning line density of 3 85 lines mm for about 3 minutes Methods to suppress redundancy are not used Determined in 1976 e Group III G3 Method of suppressing redundancy in the image signal prior to modulation is used An A 4 size document is sent within about one minute Determined in 1980 e Group IV G4 Transmission is via the data network A method is prov
143. assing through the photo transistor turns ON and the input signal of IC605 35 pin becomes a low level When there is no recording paper the shelter plate closes the sensor light the photo transistor turns OFF and the input signal of 605 35 pin becomes a high level 5V Paper Sensor SHELTER PLATE R610 5 6KQ C608 1 1000P R611 3300 Paper Sensor a Phototransisto Signal IC605 35 pin 7 11 8 PAPER EXIT SENSOR PAPER JAMMED 45V R632 5 6KQ Digital Board The sensor detects whether the recording paper exit out or noy When there is no recording paper at the position of the sensor the shelter plate closes the sensor light the photo transistor fot tarus OFF and the input signal of IC605 4pin becomes high level When the recording paper reach the exit sensor the shelter plate let the sensor light passing through the photo transistor ON and the input signal of IC605 4pin becomes a low level Exit Sensor Eu Photo transistor Signal 605 4 pin High level Paper Exist 179 KX FL612CX KX FL612CX S 7 11 9 Detecting New Drum Units Purpose To investigate the actual number of printed papers with the drum units Investigating how the returned sets drum units were used Method Whether the drum unit is new or old should be judged by detecting the turn delay of Mixing Paddle Toner detection sensor e When shipping the drum unit the mixing paddle gear is set to t
144. ation Rubber Separation Spring ff ry if J fi Lower Frame 47 KX FL612CX KX FL612CX S 5 9 HOW TO REMOVE THE TRANSFER ROLLER PROCEDURE 1 gt 4 gt 5 gt 7 REF NO A 7 1 Remove the 2 spacers as illustrated Fig 1 If the leg of both the sides of the spacer is pinched using tweezers it can remove easily Transfer Roller 2 Remove the Transfer Roller spacer 48 5 10 HOW TO REMOVE THE SEPARATION ROLLER PROCEDURE 1 gt 4 gt 5 gt 8 1 Remove the screw 2 Remove the gear and C 3 Pinch and remove the pin of the gear in the direction of the arrows shown in Fig 1 using a thing like tweezers 4 Rotate the spacer as illustrated Fig 2 5 Remove the Separation Roller gt P Cross section of gear A 49 KX FL612CX KX FL612CX S KX FL612CX KX FL612CX S 5 11 HOW TO REMOVE THE BOTTOM PLATE REF NO B 1 Remove the 5 screws A Remove the screws B Remove the screw C Remove the Bottom Plate 1 2 3 4 Bottom Plate SER 5 12 HOW TO REMOVE THE ANALOG BOARD REF NO B 2 1 Remove the 2 screws A 2 Remove the connector A and B 3 Remove the Analog Board 4 Remove the screw Analog Board 5 Remove the spring 6 Remove the speaker connector B 50 5 13 HOW
145. ble image is created on the drum Surface Potential 600V Surface Potential 50V Laser Beam LSU Surface Potential 600V The charge is generated Exposing Part 8 1 4 LASER SCANNING UNIT LOCATIONS 218mm Laser Radiation Area 216mm Print Area 4 X 7 N N A Laser X PAS A Q 3 Under Harness Parts Name Parts Name 1 Laser Diode 8 Frame 2 Collimator Lens 9 Cover 3 Cyrindorical Lens 10 Cover Glass 4 Polygon Motor Unit 11 LD Harness 5118 Lens 12 Motor Harness 6 LD Driving Circuit 13 Sponge 7 Pin Photodiode 198 KX FL612CX KX FL612CX S 8 1 5 DEVELOPING AND TRANSCRIPTION The developing is the stage that the OPC drum with an invisible image is changed to visible by the toner The developer consists of mixing paddle toner supply roller developing roller developing blade and OPC drum The bias voltage is added to the developing roller DC 200V and toner supply roller DC 200V Firstly the toner is mixed up in the mixing paddle and minus charged by triboelectricity then led to the toner supply roller Secondly the potential difference causes to send the toner to the developing roller from the toner supply roller The supplied toner to the developing roller is kept to a certain layer thickness by the developing blade and also it is charged by triboelectricity Consequently the toner is transferred to the surf
146. cker 1 forward gently until it clicks into place then press the center part of the document stacker 2 to open the extender 3 16 KX FL612CX KX FL612CX S 3 3 4 PAPER TRAY AND PAPER TRAY COVER 1 Insert the paper tray into the slot 2 on the back of the unit 2 Pull the tension plate forward 27 and attach the paper tray cover 2 then push the tension plate back Note e Do not place the unit in an area where the paper tray may be obstructed i e by a wall etc e Keep this surface Z away from walls etc more than 50 mm 1 31 32 to let the unit cool down To remove the paper tray Pull the paper tray forward in the direction of the arrow 17 KX FL612CX KX FL612CX S 3 3 5 INSTALLING THE RECORDING PAPER A4 Letter or legal size recording paper can be used for fax messages The unit can hold up to 250 sheets of 60 75 g m to paper 230 sheets of 80 g m or 200 sheets of 90 g m paper See the note for paper specifications e The unit is set for A4 size paper by default If you want to use legal or letter size paper change the setting feature 16 1 Before inserting a stack of paper fan the paper to prevent paper jams 2 Pull the tension plate forward 17 3 Remove the paper tray cover 1 4 Insert the paper print side down 1 e The paper should not be over the tabs 2 e f the paper is not inserted correctly readjust the paper
147. cription Remarks PFQT2076W INDICATION PLATE LABEL No PFDE1204W LEVER 240 PFMH1125Z PLATE MOTOR 10972 SHAFT 241 PFJQ35S1S15D DC MOTOR 5 PQDR9685Y ROLLER 242 PFDE1201X ARM POM 0512752 COIL SPRING 243 PFUS1019Z SPRING PFGT2517Z M NAME PLATE AL 244 PFDG1299Z GEAR PLANET POM PFUE1022Z CASE COVER 245 PFDG1297Z GEAR IDLER POM 0514482 LEAF SPRING 250 PFUA1046Z CHASSIS PBT ABS 0 10062 MIRROR 251 PFDG1297Z GEAR IDLER PFQT2077Z LABEL 252 PFDG1307Z GEAR PICK CLUTCH B POM 253 PFDG1189Z GEAR 254 13082 GEAR POM KX FL612CX KX FL612CX S Part No Part Name amp Description Remarks Ref Part No Part Name amp Description Remarks No PFDG1309Z GEAR PICK CLUTCH POM Q609 25641558 TRANSISTOR s PFDG1176Z GEAR IDLER B Q612 PQVTD143Z2106 TRANSISTOR s 11652 RUBBER SOLENOID Q613 PQVTD143Z2106 TRANSISTOR s PFDE1202Z LEVER PICK UP CLUTCH Q614 28 41558 TRANSISTOR 5 PFUS1259Y SPRING SOLENOID Q615 PQVTDTC143E TRANSISTOR s 10032 PLUNGER SOLENOID Q616 PQVTDTC143E TRANSISTOR s PFUA1047Z CHASSIS GERA CHASSIS Q617 PQVTD143Z2106 TRANSISTOR 5 PFUS
148. ct occurred as a result of vibration etc during transport 2 Solder waste remaining on the board may get caught under the IC during transport causing a short circuit Before we begin mass production several hundred trial units are produced at the plant various tests are applied and any malfunctions are analyzed In past experiences digital IC especially DRAM and ROM malfunctions are extremely rare after installation in the product This may be repaired by replacing the IC DRAM etc However the real cause may not have been an IC malfunction but a soldering fault instead Soldering faults difficult to detect with the naked eye are common particularly for ASIC and RA Resistor Array But if you have an oscilloscope you can easily determine the problem site or IC malfunction by checking the main signal lines Even if you don t have such a measuring instrument by checking each main signal line and resoldering it in many cases the problem will be resolved An explanation of the main signals for booting up the unit is presented below Don t replace ICs or stop repairing until checking the signal lines An IC malfunction rarely occurs By understanding the necessary signals for booting up the unit the Not Boot up display is not a serious problem What are the main signals for booting up the unit Please refer to DIGITAL BLOCK DIAGRAM P 150 The ASIC IC606 controls all the other digital ICs When the powe
149. d 4 5 Remove the 2 screws A Remove the Solenoid unit Solenoid unit 5 18 HOW TO REMOVE THE HANDSET HOLDER REF NO B 8 2 verse the Main Cabinet 3 Remove the 2 screws 4 Remove Handset Holder Main Cabinet Handset Holder 53 KX FL612CX KX FL612CX S 5 19 HOW TO REMOVE THE MAIN MOTOR PROCEDURE B 1 gt B 2 gt B 8 gt B 9 REF NO B 9 1 Remove the 3 screw A and connector A connector A 2 Remove the Main Motor Ass y p 3 Remove the screw B 4 Remove the gear A and B 54 KX FL612CX KX FL612CX S 5 20 HOW TO REMOVE THE FUSER UNIT REF NO B 10 First of all reverse the Main Unit and remove the bottom Plate see the REF NO B 1 1 Remove the connector A B and C Fig 1 2 Revert the Main Unit 3 Remove the 2 screws 4 Lift up the Fuser unit from the Main Cabinet connector B connector C connector A Fuser unit 55 KX FL612CX KX FL612CX S 5 21 HOW TO REMOVE THE CIS REF NO C 1 1 Lift open the Front Cover 2 Pull the tab gray back to free it from the pin white on both the left and right sides of the unit Fig a 3 Push the CIS in the direction of an arrow to release the hooks Fig b 4 Remove the CIS Upper Frame ________ Lower Frame
150. d Q101 begins operating 194 Coil width value KX FL612CX KX FL612CX S Primary of the ratio Secondary n ni ne D gt 24V Xe E2 Vo Load E 7 1 4 L Qi lt Gate signal m Error amp rectifier Torr I I Control IC T21 fz fixing Ton Torr Vn 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 When is OFF the energy is output from the secondary transfer as follows L 0 gt Load gt L Then the power is supplied to the Load When Q 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 Toy is controlled stabilization occurs Also when the current load becomes too large in order to decrease the voltage output the increase in gt is controlled and the output voltage is stabilized Therefore basically the timing Ton Toff of Q1 controls the output voltage Output Input voltage value of ratio Vo E1 lig htload heavy load we increases T Duty ratio Ton T 0 5 1 0 195 KX FL612CX KX FL612CX S Surge Absorber Circuit This c
151. dBm to 15 dBm 5 dBm some value OR Decrease the 596 Trans mit level set from 10 dBm to 12 dBm Try again Try again Ask the RX party to increase the parameter of the RX error line value to more than the current setting Change the 594 Oversea DIS detection to Detect at the 2nd time Not available Confirm that 592 CNG TX select is set to ALL Change the 717 Transmit speed select to 12000 9600 7200 4800 Ask the other party to or 2400 bps increase the TX level Note 596 Transmit level set represents a service code Refer to the SERVICE FUNCTION TABLE P 62 717 Transmit speed select represents a service code Refer to the SERVICE FUNCTION TABLE P 62 111 KX FL612CX KX FL612CX S 6 5 10 1 3 RECEIVE PROBLEM Confirm the following before starting troubleshooting e 15 the recording paper installed properly Refer to the next page RX problem The fax can receive any data NO YE Are there any faults on the image E NO Looks OK Change the 718 Receive speed select to 12000 9600 7200 4800 or 2400 bps Increase the 595 RX error limit value to some extent Ask the sender to change Increase the 596 Transmit level set FAX mode Which mode TEL mode Is the FAX ring count 06 2 3 or 4 YES Change the FAX ring count to 1 Increase the 593 Time between CED amp 300 bps to
152. djusting or cleaning it as required First determine the problem then decide the troubleshooting method If you have difficulty finding the broken part determine which board is broken For example the Digital PCB Analog 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 SIMPLE CHECK LIST P 78 Difficult problems may be hard to determine so repeated testing is necessary 6 5 2 STARTING TROUBLE SHOOTING Determine the symptom and the troubleshooting method Plug in the AC cord AC Black squares appear 12 00 AM LCD OR or 00 00 Look at the LCD Check if 5V or 24V is sent from the P S U Refer to POWER SUPPLY BOARD SECTION If user recoverable errors Refer to OK USER RECOVERABLE ERRORS are Refer to DIGITAL BOARD displayed correct them according to SECTION each error item Yes l know Refer to DIGITAL BOARD SECTION Already known symptom Determine the symptom using the check list Refer to SIMPLE CHECK See the table on the next page LIST for the troubleshooting item CROSS REFERENCE USER RECOVERABLE ERRORS P 59 SIMPLE CHECK LIST P
153. e Note In the information below Pb the symbol for lead in the periodic table of elements will refer to standard solder or solder that contains lead We will use PbF solder when discussing the lead free solder used in our manufacturing process which is made from Tin Sn Silver Ag and Copper Cu This model and others like it manufactured using lead free solder will have PbF stamped on the PCB For service and repair work we suggest using the same type of solder although with some precautions standard Pb solder can also be used Caution e PbF solder has a melting point that is 50 70 F 30 40 C higher than Pb solder Please use a soldering iron with temperature control and adjust it to 700 20 F 370 10 In case of using high temperature soldering iron please be careful not to heat too long e PbF solder will tend to splash if it is heated much higher than its melting point approximately 1100 F 600 C e If you must use Pb solder on a PCB manufactured using PbF solder remove as much of the original PbF solder as possible and be sure that any remaining is melted prior to applying the Pb solder e When applying PbF solder to double layered boards please check the component side for excess which may flow onto the opposite side See figure below component component in remove all of the P excess solder slice view solder 1 1 1 SUGGESTED PBF SOLDER There are several types o
154. e START button 5 Touch the output terminals under test with the high voltage probes 6 Push the START button This causes to output high voltage from each terminal so be careful not to touch them The sound Pi Pi Pi warns that the high voltage is outputting 7 When the measurement is finished push the STOP button The high voltage output is stopped 8 Repeat the items No 5 7 until the measurement is finished 9 When the measurement is finished turn OFF the TOP cover SW Output voltage of each terminal BIAS Name Specified output voltage The range of specified output voltage CHG Charge 1000V 1000V 30V E DEV Developing 200V 200V 15V TRA Transfer 1000V 1000V 100V As for the High Voltage test equipment FLUKE 85 MULTI METER HIOKI HV PROBE 9014 or the equivalent should be used 139 KX FL612CX KX FL612CX S 6 5 16 HIGH VOLTAGE SECTION Check the High Voltage Unit Check the voltage at pint of the connector Is 24V power NO supplied Check the Digital Unit YES Check the SW101 Replace the SW101 YES Confirm the value of the resistor IP101 NO Is the value of the resistor OQ Replace the IP101 YES Make sure each output If any problem is found refer to each part of the manual CHG BIAS DEV BIAS or TRA BIAS All outputs are abnormal DEV BIAS TRA BIAS Replace the Unit
155. e thermal fuse The thermostat is located near the heat roller and it turns OFF the power when the temperature around the thermostat becomes over 135 C Top view Thermostat 201 KX FL612CX KX FL61 2cx s uonosleq Wyr 2 sut00p 595 952 WYT 598 965 M h T 2esui 006 WYT 295 005 995 962 Jejsuen 2 eui jede 006 uotioal q 295 006 96 amp WUBIN jo 18jsue Jo en eA 1 puana li paxy eur NO puana 49jsueat 2936691 1 NO oesuszr 026 398661 D gt 08 x uonoajeq 2 296 0006 uono aleq 9951006 asia amp 3 4 39 oesugei 2090911 330 21 1 340 NO TIMING CHART When Printing Two Sheets of Paper BASIC 8 1 8 Lixa svig vul uasvi 151999 GION310S svig YOLOW Svid SHO YALVAH 110 LL peyoees HOLOIN NO9IHOd yes Bunuud 202 Kx FL612CX KX FL612CX S Timing Chart Initializing Long 8 1 9
156. e tone test 1 ON 2 OFF _ 2 2 See P 64 Monitor on FAX communication 1 OFF t 3 Sets whether to monitor the line signal with the select 2 PHASE B unit s speaker during FAX communication or not 3 ALL See Symptom Countermeasure Table for long distance and international calls in P 118 See Symptom Countermeasure Table for long distance and international calls in P 118 resolution reverts to the default when transmission is complete Set RX equalizer to automatic mode 524 Transmission equalizer select 554 Modem test See 64 555 Scan check See P 64 Motor test See 64 LED test See P 64 LCD test See P 64 KEY test See P 64 ITS auto redial time set X number of 00 99 Selects the number of times that ITS is redialed times not including the first dial ITS auto redial line disconnection X second 001 999 Sets the interval of ITS redialing time set Remote turn on ring number set X number of 01 99 Sets the number of rings before the unit starts to rings receive a document in the TEL mode FAX auto redial time set X number of 00 99 Selects the number of redial times during FAX times communication not including the first dial FAX auto redial time disconnection X second 001 999 Sets the FAX redial interval during FAX time set communication 592 CNG transmit select Lets you select the CNG output during FAX transmission ALL CNG is ou
157. e with the feedback voltage from T101 and controls the 0103 As for the transfer current 25 is output when DUTY of the TRA CLK input signal is 0 or is output when that is 72 Circuit Diagram SW101 7101 0104 9555 CN2 1 101 PANS TRA amp Pes en 114 We 8 5 2 cuo E 16151418 1231 10 9 IC101 Sur 12345678 J CVR o UN 8 R115 w 8 R101 5 2 CHG REM o Sm of r R102 104 R105 w P S KH CN2 N 5 o F ct 5 nd s R212 R213 SAR e aro n C201 2i D203 8i io 5 8 38l 8T a 1 gsr AM a R201 i i 8 5 P al R214 3 R207 0204 w Di Me ED DEV R205 C205 25202 g et CN2 204 DEV CLK 4 O w 8 518 AT ay meo OPC Lo Transfer Current Variation by PWM Input TRA CLK wave form 25 UA t 4 duty T 96 0 7296510096 Printed rate 187 KX FL612CX KX FL612CX S 7 15 HEAT LAMP
158. eans that the thermistor s SHORT AD 00h and OPEN AD or over were detected Call Service 4 Rotation of Fan Refer to FAN MOTOR SECTION P 170 e Connector isn t inserted firmly dust is caught in and the fan is broken As for Call Services 1 2 and 4 turn the power OFF then ON to restart Note Once CALL SERVICES is displayed the unit does not disappear until the Factory Setup or Service Function 529 is executed Therefore Service Function 4529 should be executed before the confirmation and 529 should be done after the countermeasure 83 KX FL612CX KX FL612CX S 6 5 6 1 CALL SERVICE 1 CALL SERVICE 1 means that the polygon motor inside the LSU does not rotate The rotation of the polygon motor is detected by IC606 32pin XREADY After the LCD indicates CALL SERVICE 1 turn the power OFF ON Then when the unit starts initial operation confirm that the rotating sound of the polygon motor is heard before the engine motor starts to run CALL SERVICE 1 Is the sound Is the clock Is the clock of the polygon input into CN611 1pin output out of IC606 30pin Replace IC606 motor heard Is CN611 3pin L7 5 IC606 31 pin H 2 Replace the LSU Check Q621 Q612 Check R740 and 741 Is L input into 606 32 606 84 KX FL612CX KX FL612CX S 6 5 6 2 CALL SERVICE 2 CALL
159. ecording width capability 1728 picture elements along Invalid scan line length of 107 mm 1 38 _ JReserved for future recording width capability J 004 59 _ JReserved for future recording width capability J S O O 30 00 k Cy Cy Cy 213 KX FL612CX KX FL61 2cx s DIS DTC 44 Inch based resolution preferred Resolution type selection 0 neuritic based resolution 1 inch based resolution 45 Metri based resolution preferred 46 Minimum scan line time capability for higher resolutions 0 Tisa 1 1 2T77 Selective Polling capability Extend field Extend field Note 1 Standard facsimile units conforming to T 2 must have the following capability Index of cooperation 264 Note 2 Standard facsimile units conforming must have the following capability Index of cooperation 264 Note 3 Standard facsimile units conforming to T 4 must have the following capability Paper length 297 mm Signal Identification Signal Format Function Training 1 A fixed pattern is transmitted to the receiving side at a speed 2400 to 14400 bps designated by DCS and the receiving side optimizes the automatic equalizer etc according to this signal TCF Sends 0 continuously for 1 5 seconds at the same speed as the Training Check training signal CFR Notifies the sending side that TCF has been properly received If Confirma
160. ection circuit Side tone circuit Remote fax activation circuit Refer to NCU SECTION P 161 for the details 159 KX FL612CX KX FL61 2cx s BLOCK DIAGRAM 7 3 4 3 WvHOVIG 539018 QHVO8 02141 9 gt gt N 5 58 qe N a D BES asa 89 20201 4 n RI T m dSSH gt 5 og o 9 dSSH 2 5 8162 SESH 5 1 IINSH 1 AM 6120 INSH gt 81 ENDE DENE DEDET COTO OCO BO LLED V 2 13SQNVH gt 920 OL eris g gs mm M DE STIS PEIRE pus gt ainWas Q N Ow EA t 06 02 too 1 A 11991 1 a i085 6102022052 26202262626505 6568
161. ed the service THE RECORDING PAPER JAM Yes Yes Yes Yes No Yes No No No No No Clean or replace the pressure roller Clean or replace the heat roller Clean or replace the separation rubber Clean the recording paper path Replace the register roller paper feed roller Replace the gears Go to MOTOR SECTION Replace the register sensor paper top sensor lever Go to REGIST SENSOR Replace the exit sensor lever Go to EXIT SENSOR mode 630 distinguishes the cause 0 No Paper Jam 1 Failed pick up KX FL612CX KX FL612CX S 2 The paper top sensor is not turned OFF although the fixed time had passed since the sensor was turned ON KX FL612CX KX FL612CX S 3 The paper eject sensor is not turned ON although the fixed time had passed since the paper top sensor was turned ON 4 The paper eject sensor is not turned OFF although the fixed time had passed since it was turned ON 5 The register sensor paper top sensor or paper exit sensor was turned ON before the motor started to rotate 6 The register sensor paper top sensor chattered 7 The paper exit sensor chattered 100 KX FL612CX KX FL612CX S 6 5 8 0 BACK SIDE OF THE RECORDING PAPER IS DIRTY Is the recording paper path dirty Yes Clean the recording paper path Is the pressure roller dirty Yes Clean the pressure roller Yes Is the register r
162. et 2 3 Lift both green levers 1 forward until they stop 2 4 Remove jammed paper 1 from the fuser unit by pulling it upwards carefully then install the drum and toner unit SE n STN 37 KX FL612CX KX FL612CX S 2 5 Push back the levers 27 to the original position 3 Close the front cover 22 by pushing down on both sides until locked 4 Re insert the recording paper 1 e Before re inserting make sure to fan and straighten the recording paper 5 Attach the paper tray cover 115 then push back the tension plate 9 38 KX FL612CX KX FL612CX S 4 7 2 When the recording paper is not fed into the unit properly The display will show the following Display FAILED PICK UP 1 Pull the tension plate forward T then remove the paper tray cover Remove the recording paper 3 2 the recording paper Attach the paper tray cover then push back the tension plate e Before re inserting make sure to fan and straighten the recording paper 39 KX FL612CX KX FL612CX S 5 DISASSEMBLY INSTRUCTIONS Before disassembling remove the Drum and Toner unit by holding the two tabs 40 KX FL612CX KX FL612CX S 5 1 UPPER MAIN CABINET SECTION 1 Remove the Front Cover A 2 Remove the Pick up unit A 4 Remove the ADF unit Remove the Pick up Roller Cover A 2 Remove the Paper
163. eui SWOS 18U0 et Jo 1521 JO eui o1 2951091 1 Jeuoj eui Jo 1521 eu Bulloslep Jo pue eu 340 340 330 440 NO 4oloN 203 KX FL612CX KX FL61 2cx s Timing Chart when the registration sensor is turned OFF then ON during 8 1 10 izing nitia Odo 10 euin eur JO pexy JUBANI 1 JO en e eur oesulszr uogoeieg Wvr 00 9esui osz H a Jeded eui uoneje T x3 2 00 uonoeieq Wf 298 009 esuz9sz 29541091 X 6 uono q 29 051 598 896 HU 330 NO 330 330 NO 330 NO 330 NO 330 NO Josues 1edeg 1ojsue Josuas 1eisiDeu oDejoA At 1edeg 204 8 2 KX FL612CX KX FL612CX S TERMINAL GUIDE OF THE ICs TRANSISTORS AND DIODES 73 72 37 222
164. f PbF solder available commercially While this product is manufactured using Tin Silver and Copper Sn Ag Cu you can also use Tin and Copper Sn Cu or Tin Zinc and Bismuth Sn Zn Bi Please check the manufac turer s specific instructions for the melting points of their products and any precautions for using their product with other materials The following lead free PbF solder wire sizes are recommended for service of this product 0 3mm 0 6mm and 1 0mm 0 3mm X 100g 0 6mm X 100g 1 0mm X 100g T p SS Pe KX FL612CX KX FL612CX S 1 2 HOW TO RECOGNISE THAT Pb FREE SOLDER IS USED P C Boards marked as PbF use Pb Free solder See the figure below Pb Free is not used the Power Supply Board of this unit Example Digital board 6120 4 MARKED KX FL512CX DIGITAL BOARD PCB4 COMPONENT VIEW Note The PbF marked may be found on different areas of the same P C Board depending on manufacture date KX FL612CX KX FL612CX S 1 3 SAFETY PRECAUTIONS 1 Before servicing unplug the AC power cord to prevent an electric shock 2 When replacing parts use only the manufacturer s recommended components 3 Check the condition of the power cord Replace if wear or damage is evident 4 After servicing be sure to restore the lead dress insulation barriers insulation papers shields etc 5 Before returning the serviced equipment to the custo
165. he MEMORY after TONER LOW was The divided printing can be output until 51 sheets of paper appeared While making copies The rest of printing will be suspended Did the printing paper come to 50 sheets after LOW was appeared TONER EMPTY is displayed The unit stops The initialization LONG Was the TONER FULL is executed when the top signal detected three times cover is closed or power continuously is turned ON Was the top cover opened closed Or was the power turned ON OFF The sensor detects the signal 3 times out of 10 times CAUTION 1 Toner low can be judged by continuous 5 times TONER LOW signal at only printing It is not executed at 2 Toner full can be judged by continuous 3 times TONER FULL signal at initialization It is not executed at printing 3 In the ordinal operation CHECK DRUM is displayed when TONER EMPTY sensor does not generate a signal for 2 7 seconds 183 KX FL612CX KX FL612CX S 7 12 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 101 and Gate Array 605 on the DIGITAL BOARD The key matrix table is shown below GATE ARRAY IC T re cp cte ER DIGITAL BOARD OPERATION BOARD 1 Key Matrix a Hard Scan ___ KINO KIN1 KIN2 KIN3 KIN4 KIN5 KIN6 KIN7 KSLO AUTO ANSWER CALLER IQ NEXT STOP MENU FLASH H S MUT
166. he Q102 turn ON OFF at about 40 kHz NO Replace the Q102 and check the peripheral parts YES Does the Q103 turn ON OFF at about 40 kHz NO Replace the Q103 and check the peripheral parts YES NO Replace the T101 and Is the T101 working check the peripheral parts YES Replace the Unit This Adjustment should be done with a single High Voltage Board As for the High Voltage Probe HV PROBE 9014 of HIOKI electric co or the equivalent should be used As for the tester FLUKE 85 III multi meter or the equivalent should be used Be careful not to touch the terminals during adjustment because the high voltage is used 143 KX FL612CX KX FL612CX S 6 5 17 POWER SUPPLY BOARD SECTION 6 5 17 1 KEY COMPONENTS FOR TROUBLESHOOTING Check the following parts first F101 0101 0104 C106 0101 PC101 and IC101 This comes from our experience 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 nothing is output It is more likely that the fault is in the primary side rather than the secondary side Check the primary side first Block Diagram
167. he document was out of place or on the receiving side being polled NO Was it a mechanical error as mentioned above Ask the receiver to set the poll mode again and perform polling Ask the service section for the receiver s FAX machine to confirm the machine s condition The carrier is cut when the image signal is received Perform the communication test using the LOOP simulator and check the machine reception condition Is the carrier cut 126 KX FL612CX KX FL612CX S 6 5 12 INITIALIZING ERROR After the power is turned on the ASIC IC606 initializes and checks each IC The ROM 607 SDRAM IC604 MODEM 1C600 are checked If initialization fails for the ICs the system will not boot up In this case please find the cause as follows AC POWER ON 1 Power check If the voltage does not appear it may be shorted circuit anywhere DG TP XCLK 24V Check the voltage at test land of 24V TP_RST 3 3V 5V Check the voltage at test land of 5V WB 2 5 5 3 3V Check the at test land of 3 3V CN600 e TP 16M 2 5V Check the voltage at test land of 2 5V Digital Board 2 Oscillation Bottom View X600 Check the frequency 32 256MHz at test land of TP XCLK X602 Check the frequency 16MHz at test land of TP 16M X603 Check the frequency 32 768KHz at X603 3 Reset Check the voltage at
168. he paper dose not feed properly when faxing Troubleshooti Problem with the feeding Copying is also not possible mechanism Refer to TRANSMIT PROBLEM P 110 The fax transmits successfully one time and fails another Troubleshooti Problem with the service line or with Copying is also possible the receiver s fax Refer to SOMETIME THERE IS A TRANSMIT PROBLEM P 111 The fax receives successfully one time and fails another Troubleshooti Problem with the service line or with Copying is also possible the transmitters fax Refer to RECEIVE PROBLEM P 112 The fax completely fails to transmit or receive Troubleshooti Problem with the electric circuit Copying is also possible Refer to THE UNIT CAN COPY BUT CANNOT TRANSMIT RECEIVE P 113 Problem with the service line long distance or an international call possible causes Similar to Copying is also possible troubleshooting items No 2 The fax image is poor when transmitting or receiving and No 3 during a long distance or international call 7 1 5 The troubleshooting Refer to HOW TO OUTPUT THE procedure for each error JOURNAL REPORT P 118 code will be printed on the communication result report 109 KX FL612CX KX FL612CX S 6 5 10 1 DEFECTIVE FACSIMILE SECTION 6 5 10 1 1 TRANSMIT PROBLEM USER STOPPED Message on LCD TX Problem Was the STOP key YES pressed NO PANEL SECTION YES Paper
169. he position that has the space of more than one turn max 600 e After the main motor starts when the toner detection signal is not varied within the fixed time max 4 5 sec the drum unit is found new Mixing Paddle Sensor Hall IC Fig a 180 KX FL612CX KX FL612CX S Detection Flowchart The drum unit should be judged whether it is old or new when Power is ON when exchanging the drum unit NO CHECK DRUM is displayed 1 When the power is turned ON the initial operation should be done If the cover is open when the power is turned ON the initial operation should done after the cover Turn the Drive Motor ON is closed 2 When the power is ON the initial operation should be Judging the unit old or new Is the drum unit installed YES done only in case that the drum unit is exchanged Is the toner Is the toner NO S detection signal varied within detection signal varied within CHANGE is displayed 4 5 sec 4 5 to 8 5 sec YES YES Reset the counter Restart the counting The fixed number is added to the counting Return to the start Is the paper counted up to 9 500 or the rotation counted up to 18 000 YES REPLACE DRUM SOON is displayed display is showed at all times yet it can be disappeared YES DRUM LIFE OVER REPLACE DRUM is displayed The unit does not execute the compulsory S
170. hermistor and HEX readings HEX reading Temperature HEX reading Temperature C HEX reading o 44 O Temperature 10 7 Note 11 9 2 Apoc Bo jo w9A J 10 10 AB A OF 8 gf OF 0E 0E pde 65 2 go jo 14 1 0 0C The value is displayed on LCD at TEST FUNCTIONS P 64 815 191 KX FL612CX KX FL612CX S KX FL612CX KX FL612CX S Heat Roller Temperature Voltage 0 9 0 8 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 L 1 1 1 1 1 0 50 100 150 200 250 300 Temperature C The correspondence readings between temperature measured by fixing thermistor and HEX readings HEX reading o E ja js e T Ja js j p E s j 3 J Jr js J 42 E js ja je S J o w 7 s po je m p js b p pe p js Ja JE J Hg E w p E ps Je R ha je pe A8 R 13 p pr JA Ha pe js Jj R 15 i b w f i o ho w o hea I T ji
171. ided for suppressing redundancy in signals prior to transmission and error free reception of transmission is possible The scope of these facsimile applications is not limited simply to 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 As shown in the following diagram the facsimile call time series is divided into five phases Message Transmission r a Phase A Phase B Phase C Phase D Phase E gt F Facsimile Procedure Facsimile Call Operation Progress Phase A Call setting Call setting can be manual automatic Phase B Pre message procedure Phase B is 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 210 KX FL612CX KX FL612CX S Phase C is the procedure for the transmitting facsimile messages Phase D Post message procedure Phase D is the procedure for confirming that the message is completed and received For continuous transmission phase B or phase C is repeated for transmission Phase E Call retrieval Phase E is the procedure for call retr
172. ieval that is for circuit disconnection 4 Concerning Transmission Time Transmission Time Control Time Image Transmission Time Hold Time Transmission time consists of the following Control time This is time at the start of transmission when the functions at the sending and receiving sides are confirmed the transmission mode is established and transmission and reception are synchronized Image transmission time This is the time required for the transmission of document contents image data In general this time is recorded in the catalog etc Hold time This is the time required after the document contents have been sent to confirm that the document was actually sent and to check for telephone reservations and or the existence of continuous transmission 5 Facsimile Standards Telephone Network Facsimile Item G3 Machine Modulation Mode 7 PSK V 27 ter or QAM V 29 Transmission Speed 300 bps Control Signal 2400 4800 7200 9600 12000 14400 bps FAX Signal Redundancy Compression 1 dimension MH Mode Process 2 dimension MR Mode 2 4 Coding Mode Resolution Main Scan 8 pel mm Sub Scan 3 85 7 7 Line Synchronization Signal EOL Signal 1 Line Transmission Time Depends on the degree of data reduction ms line Minimum Value 10 20 Can be recognized in 40ms 6 Explanation of Communication and Compression Technology a G3 Communication Signals T 30 Binary Proce
173. in becomes a high level When the printer cover is open the switches turns OFF and the input signal of IC605 37pin becomes a low level 24V IC605 R746 C718 10KQ Digital _________ Switch Sinal C605 37 pin 7 11 5 DRUM SENSOR The Switch detects whether the OPC unit is set or not When there is the DRUM unit the input signal of IC605 16pin becomes a high level When there is no DRUM unit the input signal of IC605 16pin becomes a low level IC605 R614 Digital Board Signal IC605 16 pin DRUM Set High level No DRUM 177 KX FL612CX KX FL612CX S 7 11 6 REGIST SENSOR The Sensor detects whether or not the recording paper is present so that printing can start When the recording paper is detected the shelter plate let the sensor light passing through the photo transistor turns ON and the input signal of IC605 5pin becomes a low level When there is no recording paper the shelter plate closes the sensor light the photo transistor turns OFF and the input signal of IC605 5pin becomes a high level 45V SHELTER PLATE 5V Digital Board ll Photo transistor Signal IC605 5 pin No Recording Paper High level Recording Paper Regist 178 KX FL612CX KX FL612CX S 7 11 7 PAPER SENSOR OUT OF PAPER The Sensor detects the recording paper are in place When the recording paper is detected the shelter plate let the sensor light p
174. ine FAX Tx Ringing Alarm Beep Key tones DTMF CNG detection OFF HOOK FAX Rx DTMF CNG detection ON HOOK CALLER ID FSK detection SHEET Signal ROUTE i V lt OUT TEL LINE CN203 3 F200 L239 FLT200 D210 Q211 R278 C253 T201 C232 R236 L220 IC204 2 1 LPF R202 C200 1C207 23 34 C324 CN201 11 CN600 18 IC61 1 1 2 4 5 12 13 14 15 3 CN600 20 CN201 9 H343 325 1207 32 35 R251 C246 IC206 4 5 8 r CN200 1 TSPEAKER 2 CN200 HANDSET CN202 1 FLT201 1 5 C318 R335 L237 IC202 5 7 CN202 4 FLT201 3 7 C317 R334 L209 IC202 6 7 IC208 3 5 R329 C309 R327 L255 1C207 15 22 C224 R232 R332 L225 1C204 6 7 L230 C237 R244 R243 T201 C253 R278 Q211 D210 FLT200 L239 F200 CN203 3 TEL LINE FL222 C314 R331 L259 IC204 2 1 LPF R202 C200 1C207 23 34 C324 CN201 11 CN600 18 IC611 1 2 4 5 12 13 14 15 3 CN600 20 CN201 9 R343 C325 IC207 32 1 1 C292 FLT201 8 4 CN202 2 HANDSET SPEAKER IC600 69 L603 CN600 12 CN201 17 C302 R319 IC207 24 34 C324 CN201 1 1 CN600 18 1C611 1 2 4 5 12 13 14 15 3 CN600 20 CN201 9 R343 C325 1C207 32 35 R251 C246 IC206 4 5 8 CN200 1 7 SPEAKER TEL LINE CN203 3 F200 L239 FLT200 D210 Q211 R278 C253 T201 C232 R236 L220 i CN200 2 IC600 69 L603 CN600 12 CN201 17 C302 R319 IC207 24 34 C324 CN201 11 CN600 18 C611 1 2 4 5 12 13 14 15 3 CN600 20 CN201 8 R343 C325 1C207 32 11 C292 FLT201 8 4 CN202 2 HANDSE
175. ion bag Do not expose the drum unit to light for more than 5 minutes Do not touch or scratch the green drum surface Do not place the drum unit near dust or dirt or in a high humidity area Do not expose the drum unit to direct sunlight e Do not unplug the fax machine to prevent loss of fax documents in memory e Do not leave the toner cartridge out of the protection bag for a long time It will decrease the toner life e Do not pour any toner into the toner cartridge 1 Before opening the protection bag of the new toner cartridge shake it vertically more than 5 times 2 Remove the new toner cartridge from the protection bag 1 Peel off the seal 1 from the toner cartridge 23 KX FL612CX KX FL612CX S 3 Lift open the front cover 2 holding OPEN Caution The fuser unit 3 gets hot Do not touch it 4 Tap on the used toner cartridge several times to allow the remaining toner to fall into the drum unit Remove the drum and toner unit 17 by holding the two tabs e Do not touch the transfer roller 2 e If you replace the toner cartridge and the drum unit at the same time skip to step 7 5 Turn the two levers 27 on the used toner cartridge firmly until the triangles match 24 6 Remove the used cartridge 02 from the drum unit e The toner may stick to the cartridge and the drum unit Be careful when handling e Do not drop the toner on the green drum
176. ircuit 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 This is shown as follows When the output voltage of the 24V circuit increases the current of the photo coupler PC101 increases the pulse width of the output control IC becomes narrower and the ON period of Q101 becomes shorter Over Current Limiter O C L The highest drain current Q101 is limited by a limiter circuit IC101 of 24V The 24V output is limited by this circuit Over Voltage Circuit If the 24V output increases because the error detecting circuit or control circuit is broken IC101 will recognize this signal and output becomes OV Dummy load method to quickly check the power supply output Refer to POWER SUPPLY BOARD SECTION P 144 196 KX FL612CX KX FL612CX S 8 REFERENCE MATERIALS DATA 8 1 PRINTING OPERATION PRINCIPLE 8 1 1 PROCESS CHART AND PROCESS BIAS Transfer Roller Transcription Bias 4 11uA constant current depends on the printing ratio Pressure Roller OPC Drum 80 558 33 2 120 Jj Developing Roller HC Developing Bias DC 200V vw j 9 eo OL Toner Supply Roller 2 SZ
177. is lower Circuit Diagram 3 3V BATT IC606 D602 R708 J600 BAT600 C686 156 KX FL612CX KX FL612CX S 7 3 3 CIRCUIT OPERATION The modem 600 has all the hardware satisfying the CCITT standards mentioned previously When the ASIC 606 114 is brought to a low level the modem 600 is chip selected and the resistors inside IC are selected by the select signals from ASIC 606 ADRO ADR4 pin 84 88 Commands are written through the data bus and all processing is controlled by the ASIC 606 according to CCITT procedures Here the INT signal dispatched from IRQ pin 108 of IC600 to the ASIC IC606 implements post processing This modem 600 has an automatic application equalizer With training signal 1 or 2 at the time of G3 reception it can automatically establish the optimum equalizer The modem 1C600 operates using the 32 256MHz clock X600 1 Facsimile Transmission DTMF Line Send The digital image data on the data bus is modulated in the modem IC600 and sent from pin 69 via modem 600 Analog gate array 207 24 gt 22 amplifier IC204 6 7 and the NCU section to the telephone line Refer to CHECK SHEET P 128 2 Facsimile Reception The analog image data which is received from the telephone line passes through the NCU section and enters pin 60 of the modem 600 The signals that enter pin 60 of the modem IC600 are demodulated the board to digi
178. ize 60 KX FL612CX KX FL612CX S 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 6 2 1 OPERATION There are 2 basic categories of programming functions the User Mode and the Service Mode The Service Mode is further broken down into the normal and special programs The normal programs are those listed in the Operating Instructions and are available to the user The special programs are only those listed here and not displayed to the user In both the User and Service Modes there are Set Functions and Test Functions The Set Functions are used to program various features and functions and the Test Functions are used to test the various functions The Set Functions are accessed by entering their code changing the appropriate value then pressing the SET key The Test Functions are accessed by entering their code and pressing the key listed on the menu While programming to cancel any entry press the STOP key 6 2 2 OPERATION FLOW r 1 Basic User mode user programmable PRINT mode Prints out a list to confirm the set values 2 Advance Programming r Normal 3 SET mode Service mode not user programmable PRINT mode Prints out a list to 4 S
179. jam NO Only some documents YES Go to ADF SECTION goes through Needs service N bl Go to OPERATION Press down the READ POSITION SENSOR gently and immediately release it All documents go through but a communication error is the result NO NG No pages are fed OK Clean the separation roller using a damp cloth Try again Go to ADF SECTION NG Needs service Replace the separation e Check if the sensor is roller with a new one installed properly CROSS REFERENCE CLEANING THE INSIDE OF THE UNIT P 32 ADF Auto document feed SECTION P 102 OPERATION PANEL SECTION P 131 110 KX FL612CX KX FL612CX S 6 5 10 1 2 SOMETIME THERE IS A TRANSMIT PROBLEM TRANSMIT ERROR Message on LCD TX Problem NO Is the document pre fed YES Does TX start NO Does it start feeding Increase the 596 Transmit Did you press the START level set from 10 dBm key immediately after The document goes to 5 dBm or same value dialing through Ask the other party to change the RX equalizer amp Decrease the TX i level from 10 increase the TX level dem E Check ihe other panys machine Out of paper auto answer off etc YES Is auto dialing used to send dBm or same value Confirm if the sent image on the RX side has many errors Increase the 596 Transmit 2 Check the current TX level level set from 10 dBm
180. led the separation roller at ADF Failed CIS movement at SG Failed CIS The cause of printing Go to DARK OR WHITE VERTICAL LINE P 89 81 KX FL612CX KX FL612CX S 6 5 5 4 Others Symptom Cannot print legal size Not selected the legal mode Select the legal mode in the user programming mode 2 CHECK DRUM the The drum unit can not be detected Go to DRUM SENSOR P 177 e Drum Sensor trouble Go to LSU Laser Scanning Unit SECTION P 173 e Mechanical shutter trouble LCD sensor signal LOW CHANGE DRUM P 182 4 OUT OF PAPER on the E O Go to PAPER SENSOR OUT OF PAPER P 179 5 COVER OPEN thej Failed the top cover open switch lever Replace the top cover open switch lever LCD Failed the top cover open switch Go to TOP COVER OPEN SWITCH P 177 m CALL SERVICE 1 on the The polygon motor of LSU is unusually Check the connector and LSU and the digital board LCD SERVICE 2 on the The laser of LSU is unusually Check the connector and LSU and the digital board LCD CALL SERVICE 3 on the The fuser temperature is unusually Check the connector and the fuser and the thermistor and the LCD digital board CALL SERVICE 4 the The fan motor is unusually Check the connector and the fan motor and the digital board LCD 82 KX FL612CX KX FL612CX S 6 5 6 CALL SERVICE TROUBLESHOOTING GUIDE Call Service related error is most frequent Call Service 1 Polygo
181. 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 35 Not used 86 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 detect 39 Not used 40 RMT DTMF Means the unit detected DTMF Remote Fax activation code entered remotely 41 PAL DTMF Means the unit detected DTMF Remote Fax activation code entered by a parallel connected telephone 42 TURN ON Means the unit started to receive after 10 rings Remote Turn On Service Code 573 43 Not used 44 IDENT Means the unit detected Ring Detection 45 Not used 46 47 Not used Not used 48 Not Used 49 Not Used 50 Printing number of the drum unit 51 Paddle rotation number of the drum unit 52 CALL SERVICE 3 failure cause record the latest 53 CALL SERVICE 3 failure cause record the last time 54 CALL SERVICE 3 failure cause record the second last time ee MASS E 75 KX FL612CX KX FL612CX S KX FL612CX KX FL612CX S 6 5 TROUBLESHOOTING DETAILS 6 5 1 OUT LINE Troubleshooting is for recovering quality and reliability by determining the broken component and replacing a
182. lize them this coming season your early reply will be very appreciated Very truly yours Z John Smith Manager D Facsimile Department 216 8 6 2 ITU T No 1 TEST CHART THE SLEREXE COMPANY LIMITED SAPORS LANE BOOLE DORSET BH 25 8 ER TELEPHONE BOOLE 945 13 51617 TELEX 123456 Our Ref 350 PJC EAC 18th January 1972 Dr P N Cundall Mining Surveys Ltd Holroyd Road Reading Berks Dear Pete Permit me to introduce you to the facility of facsimile transmission In facsimile a photocell is caused to perform a raster scan over the subject copy The variations of print density on the document cause the photocell to generate an analogous electrical video signal This signal is used to modulate a carrier which is transmitted to a remote destination over a radio or cable communications link At the remote terminal demodulation reconstructs the video signal which is used to modulate the density of print produced by a printing device This device is scanning in a raster scan synchronised with that at the transmitting terminal As a result a facsimile copy of the subject document is produced Probably you have uses for this facility in your organisation Yours sincerely 7 P J CROSS Group Leader Facsimile Research Registered in England No 2038 Registered Office 60 Vicara Lane Ilford Essex 217 KX FL612CX KX FL612CX S KX FL612CX KX FL612CX S 8 6 3 I
183. llows Signal DCS Digital Command Signal Identification Signal Format X1000001 Example Some models do not support the following items 2 T2 operation operation SSCS 3 o x e 5 Recover operation T3 operation DCS 6 _ Reserved for future T 3 operation features 7 ______ for future 3 operation features J 8 _ JReserved for future T 3 operation features O 9 rmansmiter T4operaion j 212 Kx FL612CX KX FL612CX S 11 12 13 14 Data signaling rate Data signaling rate V 27 ter fall back mode 2400 bit s V 27 ter V 27 ter V 29 V 27 ter and V 29 Not used 14400 bit s V 33 Reserved 12000 bit s V 33 Not used Reserved V 27 ter and V 29 and V 33 Reserved Not used 14400 bit s V 17 Reserved 12000 bit s V 17 Not used 9600 bit s V 17 V 27 ter and V 29 and V 33 and V 17 7200 bit s V 17 Not used Reserved Reserved Reserved Not used Reserved Reserved Reserved 4 4 4 4 4 4 Recording width capabilities Recording width 1728 picture elements along scan line length of 1728 picture elements along scan line length of 215 mm 1 215 mm 1 1728 picture elements along scan line length of 2
184. mer be sure to perform the following insulation resistance test to prevent the customer from being exposed to shock hazards 1 4 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 design These will read infinity 4 f the measurement is outside the specified limits there is a possibility of a shock hazard Exposed metal part Ohmmeter Resistance more than 10M at DC 500 V 1 5 FOR SERVICE TECHNICIANS ICs and LSIs are vulnerable to static electricity When repairing the following precautions will help prevent recurring malfunctions 1 Cover the plastic part s boxes with aluminum foil 2 Ground the soldering irons 3 Use a conductive mat on the worktable 4 Do not touch the IC or LSI pins with bare fingers 1 6 BATTERY CAUTION CAUTION There is a danger of explosion if the battery is incorrectly replaced Replace only with the same or equivalent type recommended by the manufacturer Dispose used batteries according to the manufacturer s instructions The lithium battery is a critical component type No CR 2032 V9A Please observe for the proper polarity and exact location when replacing and solde
185. n 0510192 TORSION SPRING PFDG1299Z GEAR 1 102972 GUIDE DOCUMENT L ABS HB PFDJ1042Z SPACER TRANSFER ROLLER 2 103072 GUIDE DOCUMENT R ABS HB PFUS1269Y COIL SPRING 3 PFKE1030X1 GUIDE DOCUMENT PS HB PFDS1009Z ROLLER TRANSFER 4 0512227 COIL SPRING SLIDER PFDG1294Z GEAR 5 PFDG1015Y GEAR SLIDER PFMH1124Z METAL PARTS 6 PFQT2112Z LABEL FACE DOWN PFZX2FL511M TRAY DOCUMENT 7 PFME1001Z SPACER DUMPER PFDJ1051X SPACER 8 PFHG1094Z RUBBER DUMPER 9 PFJS08P33Z CONNECTOR 8P 232 Part No 12 1 4 PICK UP SECTION Part Name amp Description Remarks PFKV1101Y1 COVER TRAY PS HB PFKE1029Y1 TRAY PICK UP ROLLER PS HB PFQT2354Z LABEL PAPER SET PFKS108421 TRAY LIFT PAPER PS HB 11542 RUBBER LIFT PLATE 0514242 SPRING PLATE LIFT 13702 CASE SEPARATION PAPER 0514252 SPRING PAPER SEPARATION 13712 SHEET PAPER 11552 RUBBER SEPARATION PAPER PFKE1028X1 TRAY BOTTOM 13002 GEAR PICK UP PAPER 0514232 SPRING LIFT LOCK 13682 LEVER LOCK LIFT L 13692 LEVER LOCK LIFT R PFDJ1038Z SPACER PICK UP PAPER PFDR1018Z ROLLER PICK UP GUIDE 10482 ROLLER PICK UP PFDR1041Z ROLLE PICK UP PAPER 12 1 5 FUSER SECTION KX FL612CX KX FL612CX S 12 1 7 LOWER MAIN CABINET SECTION
186. n Is the dial tone signal 69 of IC600 output pins 69 of IC600 and input at pin 60 of the Tip Ring 600 Check the solder at pin 114 XMDMCS of IC606 ASIC Replace IC600 Check the trace between MODEM T201 and pin 60 of IC600 Replace IC600 CROSS REFERENCE TEST FUNCTIONS P 64 113 KX FL612CX KX FL612CX S 6 5 11 SPECIAL SERVICE JOURNAL REPORTS Journal 2 and Journal 3 shown below which are special journals giving the additional detailed information about the latest 35 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 Refer to PROGRAM MODE TABLE P 69 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 Mar 23 2002 09 51AM YOUR LOGO YOUR FAX NO NO OTHER FACSIMILE START TIME USAGE TIME MODE PAGES RESULT CODE 01 3332222 Jan 21 02 14PM 00 45 SND 01 OK 02 9998765 Jan 21 03 17PM 0058 SND 02 OK 03 John Jan 21 05 18PM 00 48 RCV 01 OK 04 55555667 10 35AM 02 45 RCV 03 COMMUNICATION ERROR 46 Mar 23 2000 09 51AM 2 3 4 S SPEED CNT RESOLUTION RCV TRIG CNT ERROR gt MEMORY 9600BPS SID 9600BPS FINE 7200BPS STD FAX MOD FAX ONLY 9600BPS STD CNG 0003 NO RESPONSE DISAPPEARED ON JOURNA 1 4 ST
187. n SENSOR CHECK to determine if the sensor is operating correctly 1 Check the document sensor CHECK DOCUMENT Check the voltage at pin 19 22 of Check the solderingat C101 Operation Board R119 R120 R152 Operation Sensor lever pressed 4 5V Board Document Set Check the voltage at pin 19 22 Sensor lever released 0V of IC101 again No document Replace PS101 Replace IC101 2 Check the paper feed sensor REMOVE DOCUMENT Check the soldering at R121 R146 R129 Operation Board and R640 Digital Board Check the voltage at pin 74 of IC605 again Check the voltage at pin 74 of IC605 Digital Board Switch lever pressed 0V Read position Switch lever released 4 5V Out of read position NG Replace SW146 Replace 605 3 Check the hook switch Check the voltage at pin 33 of Check the soldering at IC605 Digital Board Check the soldering at R245 L231 L277 Switch pressed 0V R607 Digital Board Analog Board On hook Check the voltage at pin Check the voltage at pin Switch released 4 5V 33 of IC605 again 33 of IC605 again Off hook 4 Check the cover open switch COVER OPEN Check the voltage at pin 37 of 605 Digital Board Switch pressed 4 5V Close Switch released 0V Open Check the soldering at IP101 High voltage Board Check the voltage at pin 37 of IC605 again
188. n doesn t rotate Refer to LSU Laser Scanning Unit SECTION 173 e First listen to the sound If rotation sound isn t heard check 24V line POLON signal and POLCLK signal If even a little of sound is heard check XREADY signal Call Service 2 Laser isn t output Refer to LSU Laser Scanning Unit SECTION P 173 e This can be judged only by referring to signal Check 5V line XHSYNC SPC VIDEO LDON Call Service 3 Detection of fixing temperature Refer to HEAT LAMP CONTROL CIRCUIT P 188 e Service mode 655 tells the detection number and latest temperatures of the thermistor The cause distinction code of the Call Service 3 and the thermistor temperature is displayed Maximum 3 latest temperatures are displayed showing the newest on the left CCDD EEFF CC and EE show the cause distinction code and BB DD and FF show their temperature Cause distinction code 00 means that CALL SERVICE 3 has not been appeared 01 means that it did not reach 56 within 22 seconds since the heater was turned ON 03 means that it did not reach the secondary stabilizing temperature 160 C within 35 seconds from 56 04 means that it became T2 40deg 120 C or below after T2 the secondary stabilizing temperature 160 C The heater has burnt out 05 means that it became over 220 C 06 means that during printing the SHORT of the thermistor AD 01h or below was detected 07 m
189. n 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 Based on this the parameters for the desired codes can be changed The procedure for changing and listing parameters is described on ENTERING THE REMOTE PROGRAMMING MODE AND CHANGING SERVICE CODES P 68 Also before exiting the remote programming mode it is advisable to obtain a new list to confirm that the changes were made correctly Hint Since the connected telephone is in use during the remote 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 customer Also note that in very noisy locations where the DTMF tones are not audible the remote programming function will not work 6 4 1 ENTERING THE REMOTE PROGRAMMING MODE AND CHANGING SERVICE CODES After the call is connected ask the user to press the MENU button Enter the remote programming ID 9 0 0 0 A high pitched beep Piii sounds to indicate that If nothing is audible enter 9 0 0 0 the remote programming mode has been activated again Enter the 3 digit code PROGRAM MODE TABLE of the desired service function and then press s set A high pitched beep Piii
190. nchronized for printing 2 Motor operation Excitation pulses is output from G A IC605 pins 83 84 85 and 86 Then stepping pulses are output from driver IC 609 pin No 2 7 8 and 13 and drives the motor coil During motor driving pin 90 of G A IC605 becomes a low level As a result a current of about 1A are supplied to the motor coil 7 7 1 1 TIMING CHART 2 phase excitation A IC609 27 B IC609 17 IC609 26 B IC609 16 a t 2 phase excitation output waveform example A Phase sec A IC609 27 24V CN609 1 Current Red cable of motor Other phase B A B operates as A phase does DRIVE MODE FUNCTION MODE PHASE PATTERN SPEED CURRENT PRINT el L phase 951pps 166 Kx FL612CX KX FL612CX S ENGINE MOTOR DRIVE CIRCUIT 7 7 1 2 Digital 167 KX FL612CX KX FL612CX S 7 7 2 SCAN MOTOR DRIVE CIRCUIT 1 Functions This motor functions for main operations including FAX transmission This feed document paper synchronized for reading 2 Motor operation During motor driving pin 25 of ASIC IC606 becomes a high level and Q613 Q620 turns ON As a result 24V is supplied to the motor coil Stepping pulses are output from ASIC 606 pins 21 22 23 24 causing driver IC610 pins 16 13 to drive the motor coil The motor coil is energized sequentially in 2 phase incremen
191. ne Black Line 0 00110101 000011011 a Document Basic Facsimile Technique 1 000111 010 a 2 0111 11 3 1000 10 4 1011 011 5 1100 0011 6 1110 0010 7 1111 00011 8 10011 000101 9 10100 000100 10 00111 0000100 11 01000 0000101 3 12 001000 0000111 Y Facsimile 18 000011 00000100 b Part of document 7 7 14 110100 00000111 15 110101 000011000 16 101010 0000010111 17 101011 0000011000 18 0100111 0000001000 c Run length and Black 4 2 4 2 8 3 image signals White 15 12 16 18 sl equivalent to b 7 tf d Codification of 00110111101010 011 110101 11 001000 011 101010 c according to White 400 Black 4 White 15 Black 2 White 12 Black 4 White 16 MH formula 11 0100111 000101 000011 10 Black 2 White 18 Black8 White 13 Black 3 c Total bit number before MH codification 497 bit d Total bit number after MH codification 63 bit 215 KX FL612CX KX FL612CX S 8 6 TEST CHART 8 6 1 ORIGINAL TEST CHART Communication Company Limited FUTURE BUSINESS BLD 1F 112 MUSIAM STREET Tel 92 222 3333 FAX 92 222 3338 Ref No 4423 May 11 2004 ABC Corporation Engineering Department 1234 Harvard Avenue Gentleman Presently we are planning to purchase facsimile system It is my pleasure to announce that we have decided on your products We would be grateful if you could send us a complete list of the latest models and specifications of your facsimile machines Since we would like to uti
192. o Pied POWER SUPPLY CN201 ATG 24V 24MHz 32 768KHz FLASH PROGRAMMER 28 ANALOG P C B LINE HANDSET TO I EXT_TEL SPEAKER 149 KX FL612CX KX FL612CX S 7 3 FACSIMILE SECTION 7 3 1 DIGITAL SECTION 7 3 1 1 DIGITAL BLOCK DIAGRAM CN610 CN607 CN613 TOTXMOTOR TO SMPS Fassa E J 5 24 ROM IC607 XROMCS SDRAM IC604 SDCLK etc MOTOR DRIVER IC610 RESET RESET REGULATOR 608 608 5 MODEM CN600 CN611 TO TO ANALOG POLY LINEOUT LINEIN CN612 TO LASER Gia 3 605 EVOL ANALOG ASIC Controll VOLIN VOLOUT IC611 E VOL Controll SENSOR Detect FAN Controll FS601 CN606 Motor Controll TO OPE O port FSK IC Controll P9600 MOTOR DRIVER 609 609 TO RXMOTOR l CN603 CN604 CN601 CN602 CN614 TO PICK TO EXIT TO TNR TO FAN TO HVPS 150 7 3 1 2 ASIC 606 This custom IC is used for general FAX operations 1 CPU This model uses Z80 equivalent CPU operating at 16MHz Many of the peripheral functions are handled by custom designed LSIs As a result the CPU only needs to process the results DECORDER Decodes the address ROM RAM Controls the SELECT signal of ROM or RAM and bank switching KX FL612CX KX FL612CX S LSU I F Controls the polygon motor and
193. o set the receiver s Confirm the service parameter and FAX machine to the receive mode compatibility of both the caller and and transmit again receiver s FAX machines 119 KX FL612CX KX FL612CX S FTT is received after the transmission of the 2400BPS training signal DCN is received before DIS reception Reception is not EOP EOM PIP PIN RTP or ETN Perform the communication test using the LOOP simulator YES Is Fall back executed from 14400BPS 1 Check the level of transmission Do not raise the level above the standard of each country If the communication is OK at the level beyond the standard it is due to the line condition or the receiver s machine sensitivity 2 If no effect is obtained Slow down the transmission start speed and transmit to the receiver again Modem test Refer to TEST FUNCTIONS TNAM YES Is communication OK NO Ask the receiver to perform the FAX communication from the receiver to the caller If this error frequently occurs at the receiver perform transmis sion in the above mentioned mode on the receiving side YES Is communication OK NO with the receiver Check if the line was not inter rupted by noises or cross talk If not wait until the line is able to perform correct com munication CROSS REFERENCE TEST FUNCTIONS P 64 120 Modem test Reter to TEST FUNCTIONS CROSS REFERENCE TEST FUNCTIONS
194. o the TEL mode No response will be printed 115 KX FL612CX KX FL612CX S 6 5 11 2 JOURNAL 3 Refer to JOURNAL 3 in PRINTOUT EXAMPLE P 116 Description 6 ENCODE 9 ERROR LINE RX Compression Code MH MR MMR When an error occurs while receiving a fax this shows the number of error lines 7 MSLT MSLT means Minimum Scan Line Time Used only at 10 MAKER CODE the factory This shows a 2 digit code of the other party s fax machine brand 8 EQM EQM means Eye Quality Monitor Used only at the OE KX model factory 00 Unknown 79 UF model 19 Xerox model 6 5 11 3 PRINTOUT EXAMPLE Mar 25 2880 1 59 NO MODE SPEED 2 RESOLUTION RCV TRIG CCNT 2 ERROR gt MEMORY 91 FAx ONLY SeaaBPs FINE FRX MOD 92 ONLY Se8OBBPS STD FAX MOD 83 FAX ONLY 5 FINE FAX ONLY SeaagBPs FINE FAX MOD es FAX ONLY 5 FINE MOD eo ONLY 96GGBPS FINE FAX MOD 907 ONLY 36 5 FINE FAX ONLY S6Q6EPS FINE 99 FRX ONLY S6BBBPS FINE 18 Fax ONLY SeagBPs STD FAX MOD 11 FAx ONLY SeaaBPs FINE MOD PAPER OUT 12 FAX ONLY STD FAX MOD 13 ONLY SeaaBPs STD 14 ONLY 15 FAX ONLY 16 FAX 17 FAX ONLY SeaaBPs STD 18 FAX ONLY 96 5 FINE FAX MOD 19 ONLY 9602 5 STD FAx MOD 20 ONLY 9600 5 S FINE 21 ONLY 96 0 5 FINE 22 FRX ONLY Se8naBgPs FINE FAX MOD 23
195. oge 10 2 022 JO 08194 SO epoo uonounsip mojeq 10 X3HL0 QV Sul jo 11048 eui Y00949 uon5 q 90 epoo 2 96 0 021 z 0 091 ejgeis 2 091 agers 0 022 9 0 2 einejeduie enyejeduje 2 Safety Protection 2 thermostats are provided with the unit and the heater circuit is shut down when their surface temperatures became over 189 KX FL612CX KX FL612CX S 135 C b The heater control circuit of IC606 has the built in function that the software turns off the heater control automatically if the heater is not turned ON every a fixed time c When the temperature became over 240 C the heater control circuit of IC606 is turned off forcedly and system reset IC606 pin 20 becomes Low will be executed Hoom Temperature Voltage Voltage V N o olf 0 20 40 60 80 100 120 140 Temperature C 190 The correspondence readings between temperature measured by t
196. oller dirty Clean the register roller Are the High voltage terminals normal No Replace the High voltage terminals Go to High voltage Section CROSS REFERENCE HIGH VOLTAGE SECTION P 140 101 KX FL612CX KX FL612CX S 6 5 9 ADF Auto document feed SECTION 6 5 9 1 NO DOCUMENT FEED DOCUMENT JAM and MULTIPLE DOCUMENT FEED When setting the document When using thin paper etc confirm a beep tone sometimes the document will not feed NO Check the sensor NG Replace the lever movement sensor lever YES OK 2 Go to Clean the separation SECTION roller Check the distortion of YES END separation rubber NO Check the separation spring NO Replace the separation YES END spring YES CROSS REFERENCE SENSOR SECTION P 132 102 KX FL612CX KX FL612CX S Does the swing arm on the motor side go up while the motor is rotating NO Replace the SWING ARM C o s YES END NO NO A Replace the gear YES YES YES Check therdnving block Check the connector for the motor and circuit wiring NO Is distortion or broken i p gear found by visual Go to YES check MOTOR SECTION Check the GEAR CLUTCH ASS Y lt gt Replace or fix YES NO Replace the GEAR CLUTCH ASS Y Replace the motor YES 7 gt YES END NO Replace the separation roller Depending on the circumstances change the roller one way
197. ompos de caract res ENGLISH TIMES 10 POINTS upo n III para prueba de transmisi n de los caracteres ENGLISH TIMES 8 PUNTOS Groupe n pour test de transmission caract res UNIVERS 10 POINTS Grupo n para prueba de transmisi n de los caracteres UNIVERS 8 PUNTOS m ABCDEFGHIJKLMNNOPORSTUVWXYZ ABCDEFGHIJKLMNNOPQRSTUVWXYZ abc efghijkImn opqrstuvwxyz 0123456789 01 6789 5 1100 F X t4 5 895 S 0 8 6 4 r Grupo n Il para prueba de transmisi n de los caracteres Grupo n NV para prueba de transmisi n de los caracteres 2 15 UNIVERS 10 PUNTOS ENGLISH TIMES 10 PUNTOS 212 a ial Se Hl 13 75 ex 8 FEZA HASHI TEE 104 WERE KEH AU MES E AA ELA Wit ire Au FE rm 25 A PIR a KEAR HEEK MEE EEA ERAH BARA SXA dd RAR ERAI MEAT dnb gt 2 D d JUI e asl 5 p k aja FPP SATS LN zs estriat iel MM didi 222 4292 225222 j UES OCSSS SEEM AVE TJ 369 S F XZp1Q es a Noe tert eres 963 Ne 1 21 N 3 8 8
198. on This is the function when you are not holding the handset and can hear the caller s voice from the line 2 Circuit Operation Telephone Monitor Signal Path Signals received from the telephone line are output through at the speaker via the following path 3 Signal Path Refer to CHECK SHEET 163 KX FL612CX KX FL612CX S 7 5 1 2 HANDSET CIRCUIT 1 Function This circuit controls the conversation over the handset i e the transmitted and received voices to and from the handset 2 Signal Path Transmission signal Refer to CHECK SHEET 3 Signal path Reception signal Refer to CHECK SHEET 7 5 1 3 MONITOR CIRCUIT 1 Function This circuit monitors various tones such as 1 DTMF tone 2 Alarm Beep Key tone Bell 2 Signal Path a DTMF MONITOR Speaker Operation Refer to CHECK SHEET Handset Operation Refer to CHECK SHEET b ALARM BEEP KEY TONE BELL Refer to CHECK SHEET 7 5 1 4 TAM INTERFACE SECTION 1 Function When TAM is connected to this unit the unit receives documents for FAX calls or the external TAM records a voice message automatically 2 Circuit Operation The TAM INTERFACE circuit consists of the transformer 7202 amplifier IC202 analog ASIC IC207 MODEM 600 on the digital board to detect the other party CNG signal and RLY200 to separate EXT TAM a CNG signal detection circuit The CNG signal from the other party s FAX is detected in MODEM 1C600 digital board
199. ool down KX FL612CX KX FL612CX S 2 FEATURES AND SPECIFICATIONS 21 FEATURES General e Help function Display 1 BASIC SETTINGS 2 FEATURE LIST 3 DIRECTORY 4 FAX SENDING RECEIVING 5 COPIER 6 REPORTS 7 CALLER ID e LCD Liquid Crystal Display readout e TAM Telephone answering machine interface Plain Paper Facsimile Machine e Letter A4 Legal G3 compatible e Automatic document feeder 20 sheets e Quick scan e Resolution Standard Fine Super fine Photo Photo with text 64 level STANDARD For printed or typewritten originals with normal sized characters FINE For originals with small printing SUPER FINE For originals with very small printing PHOTO For originals containing photographs shaded drawing etc PHOTO WITH TEXT For originals containing photograph and text e Broad cast e 250 sheet paper capacity 60 g m2 75 g m2 e Distinctive ring detection Integrated Telephone System e On hook dialing e Monitor speaker e Voice muting e Redialing function e Station telephone directory Enhanced Copier Function e Multi copy function up to 99 copies e Enlargement and reduction e Collate e 64 Level halftone 10 2 2 SPECIFICATIONS Applicable Lines Document Size Effective Scanning Width Effective Printing Width Transmission Time Scanning Density Halftone Level Scanner Type Printer Type Data Compression System Modem Speed Operating Envi
200. r is turned on the ASIC retrieves the operation code stored in the ROM IC607 then follows the instructions for controlling each IC All ICs have some inner registers that are assigned to a certain address It is the address bus by which the ASIC designates the location inside each IC And the data bus reads or writes the data in order to transmit the instructions from the ASIC to the ICs These signal lines are all controlled by voltages of 3 3V or OV L 208 KX FL612CX KX FL612CX S 8 4 1 NG EXAMPLE Short circuit from the adjacent signal wires Check for a short circuit in the RA and IC leads and the signal wire at the through hole 1 Solder waste Solder ball 5V O U OV Through hole 2 Short between the signal line and GND Approx 0 or 1 V IC malfunction gt k Chip 3 oV Solder fault on RA 209 KX FL612CX KX FL612CX S 8 5 MODEM SECTION 8 5 1 FUNCTION The unit uses MODEM 600 that serves as an interface between the control section for FAX transmission and reception and the telephone line During a transmitting operation the 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
201. r or the telephone line 4 Determine causes Determine the causes of the equipment problem by troubleshooting 5 Equipment repairs Repair or replace the defective parts and take appropriate measures at this stage to ensure that the problem will not recur 6 Confirm normal operation of the equipment After completing the repairs 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 4 1 2 MAINTENANCE CHECK ITEMS COMPONENT LOCATIONS Document Detection Lever Read Detection Tonner Cartridge Lever Separation Roller Document Pickup Roller A Feed Poller CIS Transfer OPC Drum i Pressure Roller Paper Empty Sensor JE Exit Sensor Heat Helle Pee Mixing Paddle LSU Paper Top Sensor oller Charge Brush Toner Supply Roller 27 KX FL612CX KX FL612CX S 4 1 2 1 Maintenance List OPERATION CHECK REMARKS EM Document Path Remove any foreign matter such as paper Rollers If the roller is dirty clean it with a damp cloth then dry Refer to MAINTENANCE CHECK thoroughly ITEMS COMPONENT LOCATIONS P 27 Sensors Document sensor PS500 Paper feed sensor PS501 MAINTENANCE CHECK cover open switch SW101 ADF cover open sensor MUS ITEMS COMPONENT LOCATIONS P 27 FB cover open sensor SW500 ADF CIS position sensorj
202. r the jammed paper PAPER JAMMED If the printout jams please refer to RECORDING PAPER JAMS P 36 e e The unit is warming up Wait for a while PLEASE WAIT e The other party s fax machine does not offer the polling function Check with the other party POLLING ERROR REDIAL TIME OUT e The other party s fax machine is busy or has run out of recording paper Try again 59 KX FL612CX KX FL61 2cx s DISPLAY MESSAGE CAUSE AND REMEDY e The document is jammed Remove the jammed document REMOVE DOCUMENT e Attempted to transmit a document longer than 600 mm 23 5 8 Press the STOP to remove the document Divide the document into two or more sheets and try again e Alternately turn off service code 559 to enable sending of documents longer than 600 mm Refer to DOCUMENT JAMS P 35 REPLACE DRUM e The drum life is near to the end Replace the drum unit as soon as possible SOON e The toner life is complete Replace the toner cartridge immediately TONER EMPTY m CHANGE SUPPLIES e The toner life is near to the end Replace the toner cartridge as soon as possible TONER LOW CHANGE SUPPLIES e A transmission error occurred Try again TRANSMIT ERROR WARM UP e The inside of the unit is too cold Let the unit warm up Wait for a while WRONG PAPER message was printed paper which is shorter than letter size paper Use the appropriate s
203. r unit e Do not use paper products such as paper towels or tissues to clean inside of the unit 1 Disconnect the power cord and the telephone line cord 2 Lift open the front cover 2 holding OPEN Caution The fuser unit 3 gets hot Do not touch it 3 Clean the document separation roller 0 with a cloth moistened with isopropyl rubbing alcohol and let all parts dry thoroughly 4 Hold the center part of the front cover 1 and pull open the inner cover e Do not touch the transfer roller 3 32 KX FL612CX KX FL612CX S 5 Clean the document feeder roller 07 with a cloth moistened with isopropyl rubbing alcohol and let all parts dry thoroughly Clean the upper glass 2 with a soft and dry cloth 6 Push back the inner cover 7 Remove the drum and toner unit 22 by holding the two tabs 8 Clean the lower glass 1 with a soft and dry cloth 9 Reinstall the drum and toner unit 27 by holding the tabs 33 KX FL612CX KX FL612CX S 10 Close the front cover 27 by pushing down on both sides until locked 11 Reconnect the power cord and the telephone line cord Note e Do not touch the transfer roller 1 34 KX FL612CX KX FL612CX S 4 6 DOCUMENT JAMS If the unit does not release the document during feeding remove the jammed document as follows 1 Lift open the front cover 17 holding OPEN Caution The fuser unit
204. ring the replacement battery KX FL612CX KX FL612CX S 1 7 CAUTION For safety before closing the lower cabinet please make sure of the following precautions 1 The earth lead is fixed with the screw 2 The AC connector is connected properly 3 Wind the earth lead around the core 4 times 4 Wind the earth AC around the core 4 times 2 AC Connector 3 Earth Lead lil D g STEW Sa at i Earth Ride CT E Washer pe 4 AC Lead T 1 8 PERSONAL SAFETY PRECAUTIONS 1 8 1 MOVING SECTIONS OF THE UNIT Be careful not to let your hair clothes fingers accessories etc become caught in any moving sections of the unit The moving sections of the unit are the rollers and a gear There is a separation roller and a document feed roller which are rotated by the document feed motor A gear rotates the two rollers Be careful not to touch them with your hands especially when the unit is operating Document separation roller Document feeder roller Transfer roller KX FL612CX KX FL612CX S 1 8 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 CA
205. rm the SENSOR TEST in service mode SENSOR TEST can be performed by pressing MENU gt gt 9000 gt X815 In this state perform the copy operation to confirm how the two digit numbers on the LCD change In normal times DF 25 C is displayed in the waiting state and 60 160 C or its approximate numbers are displayed during printing CALL SERVICE 3 SENSOR TEST and COPY numerical Yes values normally decreased Has the HEATER remained lit up Replace IC606 Checkpoint SMPS board CN102 periphery Digital board CN613 7pin Q617 IC606 Checkpoint SMPS board CN102 periphery Digital board 604 1 749 1 606 4 All OK When Call Service 3 is occurred the cause can be distinguished Refer to page 80 for details 86 Replace IC606 All OK Replace the fuser KX FL612CX KX FL612CX S 6 5 6 4 CALL SERVICE 4 CALL SERVICE 4 means that the FAN does not run or the running of the FAN cannot be detected normally The running of the FAN is detected by IC 605 91pin CALL SERVICE 4 is displayed when it detects NG five times continuously After repairing copy five times If CALL SERVICE 4 is displayed check again After the LCD indicates CALL SERVICE 4 turn the power OFF ON Then perform the FAN TEST in service mode This can be performed by pressing MENU gt gt 9000 gt X 677 1 OFF Default
206. ronment Dimensions HxWxD Mass Weight Power Consumption Power Supply Memory Capacity Laser diode properties Print Speed Printing Resolution KX FL612CX KX FL612CX S Public Switched Telephone Network Max 216 mm in width Max 600 mm in length 208 mm A4 202mm Letter Legal 208mm Approx 6 s page ECM MMR Approx 8 s page ECM MMR Horizontal 8 pels mm 203 pels inch Vertical 3 85 lines mm STANDARD 7 7 lines mm FINE PHOTO PHOTO WITH TEXT 15 4 lines mm SUPER FINE 64 level Contact Image Sensor CIS Laser printer Modified Huffman MH Modified READ MR Modified Modified READ MMR 14 400 12 000 9 600 7 200 4 800 2 400 bps Automatic Fallback 10 C 32 5 C 20 80 RH Relative Humidity 370 mm x 430 mm x 480 mm Approx 9 2 kg Standby Approx 4 W Transmission Approx 12W Reception Approx 290 W Copy Approx 290 W Maximum Approx 950W When the fuser lamp turns on 220 240 V AC 50 60Hz Approx 120 pages of memory transmission Approx 170 pages of memory reception Based on ITU T No 1 Test Chart in standard resolution Laser output Max 5 mW Wave length 760 nm 800 nm Emission duration Continuous 14 ppm page per minute 600 x 600 dpi Transmission speed depends upon the contents of the pages resolution telephone line conditions and capability of the other party s machine Transmission speed is based upon the Original Test Char
207. s E c Fic 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 SERVICE FUNCTION TABLE P 62 2 Change the TX speed RX speed Service code 717 718 refer to SERVICE FUNCTION TABLE P 62 118 Note KX FL612CX KX FL612CX S If the problem remains see the following Countermeasure flow chart Countermeasure Transmission is complete when the T1 TIMER expires Turn ON the FAX monitor func tion and transmit the data to the same receiver Is a FAX signal DIS audible Is communication OK Confirm if the receiver s FAX Confirm the service parameter Confirm if the receivers FAX machine machine is set to the reception mode and compatibility of both the was set to the reception mode when or the answering machine s message caller and receiver s FAX the previous communication was NG is on machines DON is received after DCS transmission DON is received after FTT transmission Reception is not EOP EOM PIN RTP or RTN Confirm the receiver s FAX ma chine Is it the same brand as your unit Is the receiver s FAX Ask the receiver to cancel the machine in the out of pa password of the receiver s FAX per or mechanical error machine or set the caller s password status corresponding to the receiver s and transmit the data again Ask the receiver t
208. s ECUV1H103KBV D202 155133 DIODE SI s ECEA1CK470 D203 188133 DIODE SI S ECUV1H103KBV D208 155133 DIODE SI s ECUV1C104ZFV D209 155133 DIODE SI s ECEA1CK101 D210 PQVDS1ZB60F1 DIODE SI s ECUV1C123KBV D211 MA4056 DIODE SI s ECUV1H621JCV D212 MA4056 DIODE SI s ECUV1C273KBV D213 155133 DIODE SI s ECUV1H151JCV CAPACITORS ECUV1H680JCV C200 ECUV1C104KBV 0 1 ECUV1H271JCV C201 ECUV1H621JCV 620k ECUV1H822KBV C202 ECUV1C333KBV 0 033 ECUV1C104ZFV C203 ECUV1H562KBV 0 0056 ECEA0JK331 C204 ECUV1H471JCV 470k S ECUV1C104ZFV C205 ECUV1H621JCV 620k 1 5100 237 KX FL612CX KX FL612CX S Part No Part Name amp Description Remarks Ref Part No Part Name amp Description Remarks No ECUV1H472KBV 0047 PC202 0N3131SKU PHOTO COUPLER s ECUV1H272KBV 0027 PC203 0N3131SKU PHOTO COUPLER s ECUV1C104KBV 1 PC204 PQVITLP627 PHOTO COUPLER AS ECUV1C104KBV al PC205 B3PAA0000425 COUPLER ECUV1H103KBV 01 RESISTORS ECUV1H100DCV 10k J200 ERJ3GEYOROO 0 1 101 J201 ERJ3GEYOROO 0 ECUV1A224KBV J202 ERJ3GEYOROO 0 ECUV1C683KBV J211 ERJ3GEYOROO 0 ECUV1H100DCV J212 ERJ3GEYOROO 0 ECUV1C104ZFV 0 1 213 ERJ3GEYOROO 0 ECUV1A105ZFV 1 L226 ERJ3GEYOROO 0 E
209. s or cracks YES END Y NO 15 the motor rotating normally YES og END NO Check the Motor section YES Cog END NO Is the charged high voltage terminal contacting stably NO Replace the charged high voltage terminal YES Is the development high voltage terminal contacting stably NO Replace the development high voltage terminal YES Cog END NO Go to HIGH VOLTAGE SECTION YES Y END Y YES CROSS REFERENCE HIGH VOLTAGE SECTION P 140 90 DARK OR WHITE HORIZONTAL LINE Paper Travel It is necessary to describe the information about the lines that cannot be troubleshooted in such as halftone When there is the information about the troubleshooted horizontal line please add the description of it 6 5 7 4 Drum unit replace YES END NO Is paper feed roller dirty NO Pick up Regist KX FL612CX KX FL612CX S DIRTY OR HALF DARKNESS BACKGROUND Paper Travel Eject roller Clean paper feed roller YES YES Is the heat roller or the pressure roller dirty END NO YES YES NO Clean the heat roller or the pressure roller END Is the charged high voltage terminal contacting stably NO Replace the charged high voltage terminal YES YES END NO Is the development high voltage terminal contacting stably CROSS REFERENCE HIGH VOLTAGE SECTION P 140 NO Replace
210. sed with FSK receiver 602 Refer to CHECK SHEET P 128 for the route of caller ID signal 161 KX FL612CX KX FL612CX S 7 4 5 LINE AMPLIFIER AND SIDE TONE CIRCUIT 1 Circuit Operation The reception signal output from the line transformer T201 is input to pin 2 of IC204 via C232 R236 and then the signal is amplified at pin 1 of 204 and sent to the reception system The transmission signal goes through C224 R232 and enters 204 6 where the signal is amplified Then it is output from pin 7 of 12204 and transmitted to T201 L230 C237 R244 R243 Without a side tone circuit the transmission signal will return to the reception amplifier via R236 C232 When the side tone circuit is active the signal output from IC204 7 passes through L230 C237 R241 R233 C233 C225 C223 and R229 and goes into the amplifier IC204 pin 3 This circuit is used to cancel the transmission return signal The TX signal is output to the circuit analog the route from the IC204 7 pin L230 C237 5 R244R243 T201 TEL LINE However if balance is lost in the bridge a voltage occurs between the IC207 6 pin and 5 and a side tone results because the balance cannot be maintained completely at all frequencies in the audio range some side tone always occur 7 4 6 LOW PASS FILTER AND NOTCH FILTER 1 Function This low pass filter and notch filter attenuates the account signal from the commutator
211. seful for this investigation 2 No pulse dialing Does the voltage at pin 93 of the Digital G A IC605 change Check the soldering of IC605 between high and low level during pulse dialing Is the voltage at pin 96 of the digital G A 1C605 high level Does the voltage at pin 96 of the Digital G A IC605 change between high and low level during pulse dialing Check the RELAY circuits RLY200 NO Refer to NCU SECTION Check IC605 3 No ring tone or No bell 4 No tone dialing Does a DTMF signal appear at pin 69 of IC600 digital board Replace IC600 Does a ring tone signal Following the NCU section and ITS section appear at pin 113 of IC606 Replace IC606 search for the point where the signal disappears digital board on the route between pin 69 of IC600 Check the bell detection circuit Refer to NCU SECTION Is the bell detection circuit OK digital board and the telephone jack and check the components at that point DTMF for TEL LINE Refer to CHECK SHEET Following the ITS section search for the point where the signal disappears on the route between the ASIC and speaker and check the components at that point RINGING Refer to CHECK SHEET CHECK SHEET P 128 CROSS REFERENCE CROSS REFERENCE CHECK SHEET P 128 NCU SECTION P 161 129 KX FL612CX KX FL612CX S 6 5 13 3 DETECTIVE TAM INTERFACE SECTION 1 The FAX turns on but does not arrive
212. ss For G3 Facsimile communication this is the procedure for exchanging control signals between the sending and receiving machines both before and after transmission of image signals Control signals at 300 bps FSK are 1850 Hz 0 1650Hz 1 An example of a binary process in G3 communication is shown below 211 KX FL612CX KX FL612CX S Transmitter Side Phase Document set Dial FAX SW Checks the performance of the sending machine document width transmission speed etc and sets the communication mode Phase B Transmission Start Phase C Transmission End Phase D Disconnect Information Phase E Disconnect Y Explanation of Signals CNG CED DIS DCS Training 1 TCF CFR Training 2 Image Information RTC EOP MCF DCN Receiver Side Bell Detection Notifies the capacity of the receiving unit e g recording paper width transmission speed Checks the receiving preparations and line condition Receiving preparations OK Record Start Record Stop Reception OK Disconnect 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 fo
213. standard and may vary depending on usage conditions 28 KX FL612CX KX FL612CX S 4 2 PRINTING GEAR PICK UP PAPER GEAR PAPER FEED umma Mol STATUS TRANSMITTING GEAR IDLER 26 uc g GEAR IDLER 60 GEAR IDLER 50 23 GEAR TRANSFER ROLLER SEAR ROLLER GEAR IDLER 155 GEAR IDLER 87 GEAR HEAT ROLLER GEAR EJECT ROLLER SPRING PLATE LIFT GEAR CLUTCH A55Y STATUS IDLING GEAR IDLER B lt GEAR FUSER IDUER 2 MOTOR PINION 3 i SEAR FUSER IDLER e The motor pinion rotates in the direction shown in the figure e The gears of fixing and developing parts are driven by the GEAR IDLER 67 e The GEAR PAPER FEED ROLLER drives the roller e The GEAR CLUTCH runs idle and GEAR PICKUP PAPER is still 29 KX FL612CX KX FL612CX S 4 3 PRINTING PAPER PICK UP GEAR PICKUP PAPER 1 ROTATION I GEAR CLUTCH ASSY STATUS TRANSMITTING LEVER PICK UP CLUTCH SPRING SOLENOID SOLENOID During printing e When the SOLENOID is turned ON the LEVER PICK UP CLUTCH is hooked on the RING of GEAR CLUTCH It causes the GEAR PICKUP PAPER to rotate e The recording paper is pressed by the PICKUP ROLLER and the top paper is separated and fed e Even the SOLENOID is turned OFF it can not stop on the way of a turn because the tip of LEVER PICK UP
214. surface 3 e Put the used toner cartridge into the protection bag 7 If you replace the drum unit at the same time remove the new drum unit from the protection bag Place the toner cartridge into the drum unit vertically 8 Firmly press down the toner cartridge to snap into position 9 Turn the two levers 1 on the toner cartridge firmly 10 Make sure that the triangles 02 match to install the toner cartridge correctly 25 KX FL612CX KX FL612CX S KX FL612CX KX FL612CX S e If the lower glass 2 is dirty clean it with a soft dry cloth 11 Install the drum and toner unit 27 by holding the tabs 12 Close the front cover by pushing down on both sides until locked e While the unit displays PLEASE WAIT do not open the front cover or disconnect the power cord 26 KX FL612CX KX FL612CX S 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 3 Check equipment Perform copying self testing and communication testing to determine if the problem originates from the transmitter receive
215. t Refer to ORIGINAL TEST CHART P 216 If the capability of the other party s machine is inferior to your unit the transmission time may be longer Transmission speed is based upon the ITU T No 1 Test Chart and original mode Refer to ITU T No 1 TEST CHART P 217 If the capability of the other party s machine is inferior to your unit the transmission time may be longer Note e Any details given in these instructions are subject to change without notice e The pictures and illustrations in these instructions may vary slightly from the actual product Design and specifications are subject to change without notice 2 3 OPTIONAL ACCESSORIES Model No Specifications KX FA83E or KX FA83A Toner cartridge 1 toner cartridge KX FA84E or KX FAB4A 11 KX FL612CX KX FL612CX S 3 INSTALLATION 31 LOCATION OF CONTROLS 311 OVERVIEW Document guides paper tray cover Speaker Paper tray Handset Tension plate Document entrrance Paper stacker Front cover Document exit Document stacker Recording paper exit KX FL612CX KX FL612CX S 3 1 2 CONTROL PANEL JUNK FAX PROHIBITOR COLLATE MANUAL BROAD RESOLUTION Station keys AUTO ANSWER TONE BROADCAST QUICK SCAN START N Jy Se COLLATE RESOLUTION START 4 8 6
216. t slower than the one of pendulum which falls down by its own weight When the toner is still left the pendulum falls and stops on the toner then pushed by the paddle it starts to rotate When no toner is left the pendulum falls to the bottom Consequently the contact time between the magnet and steel becomes short when toner is left and long with no toner Display Signal IC605 7pin Toner Set full Poe Low level about 0 3s Near Empty Toner TONER LOW Low level gt 0 6s Mixing Paddle does not rotate CHANGE DRUM High level fix or Low level fix 182 KX FL612CX KX FL612CX S 7 11 10 1 TONER DETECTION FLOW Was the TONER EMPTY signal detected Five times The unit works as usual continuously Yes Set the printing paper number CLEAR after TONER LOW is appeared TONER LOW CHANGE SUPPLY is displayed The printing paper number is still memorized even after TONER LOW was appeared The initialization LONG is executed when the top cover is closed or power is turned ON The printing paper number is still memorized even after TONER LOW was appeared The sensor detects the signal 3 times out of 10 times Was the TONER FULL Yes signal detected three times continuously Was the top cover opened closed Or was the power turned ON OFF Were more than 50 sheets Until 50 sheets of paper can be printed of paper printed continuously While receiving FAX The rest will be stored into t
217. tal image signals then placed on the data bus In this case the image signals from the telephone line are transmitted serially Hence they are placed on the bus in 8 bit units Here the internal equalizer circuit reduces the image signals to a long distance receiving level This is designed to correct the characteristics of the frequency band centered around 3 kHz and maintain a constant receiving sensitivity It can be set in the service mode Refer to CHECK SHEET P 128 3 DTMF Transmission Monitor tone The DTMF signal generated in the modem IC600 is output from pin 69 and the NCU section to the telephone line the same as facsimile transmission signals DTMF Monitor Tone Refer to CHECK SHEET P 128 4 Busy Dial Tone Detection The path is the same as FAX receiving When it is detected the carrier detect bit of the resistor in the modem IC600 becomes 1 and this status is monitored by ASIC 606 5 Call Tone Transmission This is the call signal which is generated the ASIC 606 and sent to the speaker 157 KX FL612CX KX FL612CX S 7 3 4 ANALOG SECTION Composed of ITS circuit and NCU circuit 7 3 4 1 ANALOG GATE ARRAY 1C207 The cross point switch installed in this IC makes it possible to change the circuit configuration for any analog signals such as the fax signals sent from the digital board In addition this analog gate array integrates a handset circuit input output ports etc
218. test See P 64 BE system program into the Flash Rom with a tool See the parts number of the tool P 241 The tool includes the operating manual for writing program Cause Distinction Code of Call Service 3 See P 83 710 Memory clear except History data To reset the value to the default one except History data Please restart a power supply after 1 clearing a memory Adjusts the speed to start training during FAX transmission Refer to P 111 and 717 Transmit speed selection 1 14400BPS Receive speed selection 1 14400BPS 2 12000BPS 3 9600BPS Adjusts the speed to start training during FAX reception Refer to P 112 and Pause tone detect 1 ON 2 OFF Redial tone detect 1 ON 2 OFF CNG detect time for friendly 1 10 sec reception 2 20 sec 3 30 sec T1 timer 1 35 sec 1 2 2 60 T4 timer X 100 sec 00 99 and communication ex Mobile comm does not work well Sensor amp Vox check See P 64 Print test pattern See P 64 e P 73 NIN E VE 2 Selects the tone detection for pause in dialing 1 Sets the tone detection mode after redialing 3 Selects the CNG detection tone of friendly reception 1 Sets a higher value when the response from the other party needs more time during FAX transmission Use this function when delay occurs in the line 853 k 3 854 s 4 874 E 875 ojo O O amp m m CO ojo ojo S P 73 e e e e See P 116 See P 116
219. that cleans the remain toner after the transcription stage The remain toner on the drum and the toner which was attached to the place where the laser beam didn t scan are gathered to the developing roller to be used again When no paper is supplied the transfer roller is minus charged to eliminate the minus charged toner Transfer Roller Transcription Bias DC 1 0kV Charging Bias DC 1 0kV Developing Bias DC 200V Cleaning Part 200 KX FL612CX KX FL612CX S 8 1 7 FIXING On the process of the transfer the transferred toner is weakly attached on the paper Fixing means the process to fix the toner on the paper permanently The fixing part melts the toner at the high temperature using the halogen heater The toner is fixed on the paper by the heat and pressure through the fixing part with the image The surface of the heat roller is rosined by Teflon and lubricated to prevent from attaching the toners The press roller is made of silicon and its spring compresses the melted toner Paper Path Heat Roller Thermistor Halogen Heater Thermostat The fixing part becomes high temperature so the thermistor and the thermal fuse are provided 1 Thermistor Fixing Part The thermistor touches the heat roller and check the temperature to feed back to the control circuit The surface temperature should be kept 160 C while printing 2 Thermostat The thermostat takes the same role with th
220. the communication If multiple pages are transmitted or received it indicates the last page s resolution If there is a communication error is displayed 4 RCV TRIG CNT Indicates the trigger that causes the unit to switch to the fax receive mode The available options are listed in JOURNAL 2 in PRINTOUT EXAMPLE P 116 The values in parentheses indicate how many times the trigger has been used For example 0003 means three times Display FAX MODE Means the unit received a fax message in the FAX mode MAN RCV Means the unit received a fax message by manual operation RMT DTMF Means the unit detected DTMF Remote Fax activation code entered remotely 4 PAL DTMF Means the unit detected DTMF Remote Fax activation code entered by a parallel connected telephone 5 TURN ON Means the unit started to receive after 10 rings Remote Turn On Service Code 573 5 ERROR MEMORY Indicates the reason why the unit received a fax message in memory If you look at No 11 in the JOURNAL 2 in PRINTOUT EXAMPLE P 116 it shows the fax message was received in memory due to PAPER OUT error NO RESPONSE DISAPPEARED ON JOURNAL The NO RESPONSE DISAPPEARED ON JOURNAL displays the information about the last 10 communications terminated by No Response Some of the communications terminated by No Response were not displayed in the JOURNAL When a fax transmission cannot be performed because the other party s unit is set t
221. through TAM Is the TAM installed bell ring Install a TAM bell ring number number less than this unit less than this unit Check the CNG signal detection circuit Refer to TAM INTERFACE SECTION CROSS REFERENCE TAM INTERFACE SECTION P 164 2 A FAX is received but won t switch from TAM to FAX YES NO Is the FAX from the other party CNG Check the path to the modem input and refer to TAM INTERFACE SECTION or see ANALOG BOARD SECTION CROSS REFERENCE ANALOG BOARD SECTION P 128 TAM INTERFACE SECTION P 164 130 KX FL612CX KX FL612CX S 6 5 13 4 OPERATION PANEL SECTION Refer to TEST FUNCTIONS P 64 1 NO KEY OPERATION Do the keys remain pressed even when you do nothing Perform a KEY CHECK Refer to TEST FUNCTIONS Keys occasionally don t work Repair the keys Check the soldering of C101 Check if CN606 digital board or CN102 Operation board operation board is disconnected Repair CN102 and CN606 2 NO LCD INDICATION Perform an LCD check refer to TEST FUNCTIONS to determine if the LCD is END operating correctly Is the cable and connector between the LCD and operation board disconnected YES Replace the LCD OK Replace IC101 Operation board CROSS REFERENCE TEST FUNCTIONS P 64 131 KX FL612CX KX FL612CX S 6 5 13 5 SENSOR SECTION Refer to SENSORS AND SWITCHES for the circuit description Perform a
222. tion to Receive TCF is not properly received FTT Failure To Train X0100010 is relayed to the sender The sender then reduces the transmission speed by one stage and initiates training once again Training 2 Used for reconfirming the receiving side like training 1 Image Signal Refer to the next page n RTC Sends 12 bits 0 01 x 6 times to the receiver at the same speed Return to Control as the image signal and notifies completion of transmission of the first sheet EOP End of one communication End of Procedure MCF End of 1 page reception Message Confirmation DCN Phase E starts Disconnect MPS Completion of transmission of 1 page If there are still more Multi Page Signal documents to be sent they are output instead of EOP After MCF reception the sender transmits an image signal of the second sheet PRI EOP If there is an operator call from the sender it is output after RTC Procedural Interrupt EOP PIP This is output when an operator call is received e a a a e a e A A E Aa En En En o o o A e En e e e e o En Procedural Interrupt Positive b Redundancy Compression Process Coding Mode This unit uses one dimensional MH format 21 KX FL612CX KX FL612CX S Modified Huffman MH Code Code f Code f Run length Waite Li
223. tput at phase A AUTO CNG id output only when automatic dialing Time between CED and 300bps 1 75 msec 2 500 msec BENE and international calls in P 118 Refer 3 1 sec o P 112 and P 118 594 Overseas DIS detection select E 2 Soo Symptom Countermeasure Table for long i distance and international calls in P 118 Refer P 111 and P 118 is performed OFF CNG id not output at phase A 595 Receive error limit value set 1 1 4 2 If the number of errors during transmission Refer to P 111 See Symptom Countermeasure Table for long exceeds this value the sending side terminates the call Selects the FAX transmission level Refer to P 111 and P 112 ae level set 15 00 Receiving sensitivity 43 43 dBm 20 48 Used when there is an error problem Refer to P 118 599 frame size 22 42 1 H V P S check See P 64 62 KX FL612CX KX FL612CX S Code Function Set Value Effective Default Remarks Range 630 Paper Jam Cause Distinction Code 0 No Paper Jam 1 The paper was pulled into the unit 2 The paper was longer than the maximum length of the register sensor 3 The paper exit was not detected after the registration 4 The paper was longer than the maximum length of the paper exit sensor 5 The register sensor or paper exit sensor was turned ON before the motor started to rotate 6 The register sensor chattered 7 paper exit sensor chattered LSU
224. ts which causes a 1 step rotation A 1 step rotation feeds 0 065mm of document paper 7 7 21 TIMING CHART 1 2 phase excitation cw IC604 A 21 B 22 A 23 B 24 A 610 1 LTS N OUT A eto ue EIE ML LM Red cable of motor EM WEE SEES Other phase B B operates as phase does 168 KX FL612CX KX FL612CX S 7 7 2 2 SCAN MOTOR ADF MOTOR DRIVE CIRCUIT 24V 5V DRIVE MODE FUNCTION MODE PHASE PATTERN SPEED SCAN STANDARD 579pps SCAN FAX COPY FINE PHOTO 579pps SCAN FAX COPY SUPER FINE 579pps SCAN FAX COPY PHOTO WITH TEXT 579pps SCAN DOCPREFEED EJECT phase 579pps STAND BY ALLPHASEOFF 169 KX FL612CX KX FL612CX S 7 88 FAN MOTOR SECTION This FAN is used to radiate heat in the unit The signal level at pin 92 94 of IC605 becomes high the FAN is activated In this case the pulse signal as shown below input to pin 91 of IC605 and the rotation of the FAN is detected FANDETI 170 7 8 1 CONTROL This unit is equipped with fan to prevent the developing device from rising in temperature while printing The air is inhaled from the right side of the unit KX FL612CX KX FL612CX S The fan rotates at high speed Approx 3000 rpm while printing controlling the developing device After printing is finished it rotates at low speed Approx 2200 rpm when the temperature
225. up Roller Cover 3 Rotate the spacer as illustrated in Fig 1 and the release the gear as illustrated in Fig 2 4 Remove the Pick up roller 5 Remove the Document Guide 6 Remove the Separation Rubber Separation Holder stopper and spring Pick up Roller Cover spacer Separation Paper Holder spring stopper Document Guide 45 KX FL612CX KX FL612CX S 5 6 HOW TO REMOVE THE OPERATION BOARD PROCEDURE 1 gt 4 REF NO A 4 1 Pull out the Document Stacker ahead 2 Remove the 5 screws A 3 Separate the ADF Auto Document Feeder unit from the Operation Panel unit 4 Remove the connector A 5 Release the 2 hooks a 6 Release the 2 hooks b to remove the LCD 7 Remove the Operation Board Operation Board connector A po d Operation Panel unit 46 KX FL612CX KX FL612CX S 5 7 HOW TO REMOVE THE LOWER FLAME 1 Push the two tabs toward the outside of the unit and lift the Lower Frame Upper Frame 5 8 HOW TO REMOVE THE SEPARATION RUBBER PROCEDURE 1 gt 4 gt 5 gt 6 REF NO A 6 1 Remove the screw A 2 Remove the Separation Rubber and Separation Spring 3 Remove the 2 spacers as illustrated Fig 1 4 Remove the gear 5 Remove the Document Feed Roller i Separ
226. we recommend using a copy machine to copy the original document onto letter sized paper then transmitting the copied document 20 3 3 7 TO SELECT CHARACTERS WITH THE DIAL KEYPAD Pressing the dial keys will select a character as shown below eys Characters Cie EM 3 3 8 w gt m o c KX FL612CX KX FL612CX S ajo O 3 x lt gt A To change capital or lower case letter m 516 Hyphen button To insert a hyphen c A m Insert button insert one character one space m Delete button To delete a character gt key To move the cursor to the right g U x Cc O Z A xi mi gt o M P W amp Y Q To enter another character using the same number key move the cursor to the next space 4 lt key To move the cursor to the left TO SELECT CHARACTERS USING THE OR KEY To select characters using Instead of pressing the dial keys you can select characters using or 1 Press repeatedly to display the desired character 2 Press to move the cursor to the next space e The character displayed in step 1 is inserted 3 Return to step 1 to enter the next character Display order of characters Capital alphabet lt gt
227. y overheating e Flux HI115 Specific gravity 0 863 Original flux should be replaced daily 8 3 2 8 3 1 2 For P C Board with PbF marking e PbF Pb free Solder e Soldering Iron Tip Temperature of 700 F 20 F 370 C 10 Note We recommend a 30 to 40 Watt soldering iron An expert may be able to use a 60 to 80 Watt iron where someone with less experience could overheat and damage the PCB foil e Flux Recommended Flux Specific Gravity 0 82 Type RMA lower residue non cleaning type Note See ABOUT LEAD FREE SOLDER PbF Pb free P 4 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 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 8 3 3 FLAT PACKAGE IC INSTALLATION PROCEDURE 1 Temporarily fix the FLAT PACKAGE IC soldering the two marked pins 9 Temporary soldering point Check the accuracy of the IC setting with the corresponding soldering foil 2 Apply flux to all pins of the FLAT PACKAGE IC Specified Solder 8 3 4 BRIDGE MODIFICATION PROCEDURE 1 Lightly resolder the bridged portion 2 Remove the remaining solder

KX-FL612CX KX-FL612CX-S

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