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Samsung SF-4300C Service manual

1. Josuas JSV 11 1 Samsung Electronics
2. PHGA2 4 PHGAS PHGA6 PHGA8 PHGA9 PHGA10 PHGA11 PHGA12 PHGA13 PHOE1 PHOE16 Fig 5 1 9 Timing Diagram for Each Nozzle The above control signals are sent to head driver and the head driver converts these signals to the level 11 75V to drive head nozzles 5 1 2 8 MOTOR CONTROLLER CRPHB 1 CRIBO 1 LFPHB LFIA0 1 LFIBO 1 MFP Controller KS32C6200 U15 supports 2 stepper motors It controls CR Carriage Return motor used to read and print documents and LF Line Feed motor used to feed and eject paper CR motor controller can support 75 150 200 300 600 or 1200dpi according to resolution while LF motor controller supports uni polar and bi polar according to the kind of motors Though full step half step and soft ware control are possible for both bi polar CR motor is controlled half step and LF motor is controlled half step and quarter step here 5 8 Samsung Electronics 5 1 2 9 1 532 6200 CIRCUIT DESCRIPTION 0 0 LIU TXD UART DATA TO I LIU CHIP IN LIU TXD 1 GOP 1 UNUSED 2 DEFAULT STATE
3. ACKNOWLEDGE TONE RSTO 4 RESET WATCHDOG RESET OUT IS INACTIVE WATCHDOG RESET OUT IS ACTIVE IOWR 1 5 FAULT TEST DEFAULT STATE CHECK FAULT IN PRINTHEAD 2 6 START PATH IORD 1 7 IORD 2 GOP 8 HEAD EN TONE CTL PRINTHEAD IS DISABLE ES et ae EB i PRINTHEAD IS ENABLE MONITORING TX RX SOUND BEEP SOUND CLKOUT GOP 9 IP CLK CIP CLOCK FIREPS GOP 10 RST OUT EXT CHIP IS ACTIVE EXT CHIP IS RESET HSC 11 BIASOFF PRINTHEAD BIAS OFF PRINTHEAD BIAS ON HSM GOP 12 Samsung Electronics PRINT MODE IS LO PRINT 15 DRAFT 5 9 PIN DESCRIPTION RXD 0 LIU RXD UART DATA FROM CHIP IN LIU RXD 1 P EXIT PAPER I NOT DETECTED PAPER 15 DETECTED EINT 1 GIP 2 MIRQ NO INTERRUPT FROM MODEM INTERRUPT FROM MODEM EINT2 GIP3 EDREQ OK2PRINT XDREQ NO FAULT IN PRINTHEAD FAULT IN PRINTHEAD NO DMA REQUEST FROM CIP REQUEST FROM UCLK GIP 5 HEAD DATA CODE DATA FROM PRINTHE
4. BA12 BP16 Fig 5 1 17 TIMING DIAGRAM FOR EACH NOZZLE Samsung Electronics 5 21 5 1 5 5 CARTRIDGE ARRAY OF MONO INK CARTRIDGE There are 208 heater chips in mono ink cartridge Column Address BA13_ Data BPx 5 6 7 8 3 23 17 11 22 16 10 4 29 49 43 37 49 42 36 5 22 Samsung Electronics PIN ARRAY OF COLOR INK CARTRIDGE There are 192 heater chips in mono ink cartridge One cartridge has 64 Cyan 64 Magenta 64 Yellow heaters and 64 x 3 colors 192 nozzles Column Address BA1 BA13 Data BPx 5 6 7 8 11 21 15 9 20 14 8 2 27 47 41 35 46 40 Samsung Electronics 5 23 5 1 6 MOTOR DRIVER 5 1 6 1 GENERAL SMARTJET use 2 stepper motors i e CR Cartridge Return motor and LF Line Feed motor CR motor moves left and right all in one carriage of inkjet head and shuttle scanner It helps the printer print accurately on the paper and the scanner read image data accurately LF motor is driven to feed and eject paper for printing and to feed and eject documents to read for scanning Bi polar CR motor is controlled half step with maximum 24ips inch sec while LF motor half step and quarter step at maximum 5 1 6 2 CR CARRIAGE RETURN MOTOR DRIVING CIRCUIT CR motor moves the
5. 2007 000409 REF CHIP 15Kohm 5 1 10W 150V 2012 153 5 R30 40 2007 000449 REF CHIP 180ohm 5 1 10W 150 RC2012J181CS R52 2007 000468 REF CHIP 1K 5 1 10W 150V RC2012J102BS R13 2007 000498 REF CHIP 2 2M 5 1 10W 150V RC2012J225BS R22 24 2007 000572 REF CHIP 220 5 1 10W 2012 Samsung Electronics RC2012J221CS R45 9 7 SEC CODE DESCRIPTION PART NAME VENDOR Part Number 2007 000757 REF CHIP 330K 5 1 10W 150V RC2012J334BS RO R10 21 23 32 2007 000774 REF CHIP 33Kohm 5 1 10W 2012 2012 333 5 2007 000931 REF CHIP 470 5 1 10W 2012 471 5 R44 2007 001001 REF CHIP 510 5 1 10W RC2012J511BS RO R39 2007 001071 REF CHIP 6 8K 5 1 10W 150V RC3216J682CS RO R2 2007 001141 REF CHIP 7 5 5 1 10W RC2012J752BS R51 2203 000192 CAP CERAMIC 100 50V 5 CL21F104ZBNC 37 2203 000260 10 50V 5 2012 CL21B103KBNC C6 11 40 2203 000429 18 5 50 2012 CL21C180JBNC C27 2203 000455 1 50V 5 5M NPO CL21C102JBNC 12 22 2203 000595 220 50 5 2012 CL31C221JBNC 13 17 20 21
6. Us DUTB SENSE DUTA 20 T SENSE PULSE TIME 19 OH OUT A Us N C 16 T sENSE GND ALARM OUTPUT REFERENCE IN0 11 REFERENCE PHASE 10 10 COMPARATOR INPUT E PHASE 8 Uss Note HEATSINK SURFACE CONNECTED TO PIN 2 6 Samsung Electronics 2 7 cs WRITE R W G3 N cO Tr Y cO Y 0 91 L 1ADDR9 90 040088 GOPO TXD1 1 122 GIPO RXD1 123 GOP1 TXD2 124 GIP1 RXD2 1 125 TESTIEI 126 TEST2E J 27 GIP5 UCLKE J 28 CLKSEL 129 130 8 GOP5 nlOWR1 134 GIP2 nEINT1 136 GIP3 nEINT2E 137 GIP4 nXDREQL J 138 2 11139 160 View KS32C6200 Sooooooooosoooooooosoo 2222222222022222222922 5 Samsung Electronics 2 3 Chip Replacement 5 parts 2 2 1 Precautions for Chip Replacement 1 See to it that the soldering iron does not touch parts directly In particular TSOP may be easily damaged by heat 2 Handle the soldering iron with care and avoid using the same many times Some parts can be damaged by sudden heat Preheat parts for min utes at about 100 c before soldering them 3 The temperature of the soldering iron should remain at about 240 c Use a 280 c iron for bigger parts 4 Thin 0 3mm solder used for chip parts does not contain enough flux Use additional flux For computers and OA syst
7. 126 40 80 25 1156 SEC 0505 000123 FET SILICON BS170 60V 500mA 5ohm 350mW BS170 RLRA ITT MOT 0604 000118 PHOTO COUPLER TR 20 300 200mW DIP 4 ST PC814 SHARP TSB 0604 000119 PHOTO COUPLER PC817C 200 400 PC817C SHARP 158 0604 000237 1405 000170 PHOTO COUPLER PC817 NO MARKING 82V DISC 9MM PC817 V82ZA2 SHARP KOC TSB HARRIS MATSU 2001 000044 REF CARBON 1 2Kohm 5 1 4W CR1 4W 1 2K J ABCO 2001 000294 2001 000626 REF CARBON 10M 5 1 4W REF CARBON 300 300ohm 5 1 4W CR1 4W 10M J MR1 4W 300 2001 000637 REF CARBON 30 2 1 2W CR1 2W 30 2001 000643 REF CARBON 330K 5 1 4W CR1 4W 330K J R9 2001 001004 REF CARBON 82 5 1 4W CR1 4W 82 J R4 2007 000029 REF CHIP 0 5 1 10W 2012 RC2012J000BS R26 27 R42 R57 2007 000033 REF CHIP 0 5 1 8W 3216 RC3216J000BS J3 J4 J8 J10 32 2007 000033 REF CHIP 0 5 1 8W 3216 RC3216J000BS R31 R50 2007 000282 REF CHIP 100K 5 1 10W 150V RC2012J104BS R3 R33 R101 2007 000300 2007 000355 REF CHIP 10K 5 1 10W 150V REF CHIP 12K 5 1 10W 150V RC2012J103BS 3216 123 5 R38 R47 2007 000376 15 50V 3216 CL21B153ZBNC C30
8. 1625 72 40958 MO ACTUATOR BLK 1626 1839 40504 HARNESS PES 8505 1627 0604 001050 PHOTO INTERUPTER TR 1628 JB75 10931A MEA CLUCH MJ 705G MJ 705A 1629 JB66 40901A GEAR CLUCH ACETAL NA 1630 72 40927 ACETAL 1631 JB72 40928A PMO RATCHET CLUCH ACETAL NA 1632 JB61 70904A SPRING CLUCH SUS 304 WPB DIA0 8 1633 JB61 70905A SPRING RATCHET SUS 304 WPB 0 5DIA 1634 JB39 40929A PMO STOPER CLUTCH ACETAL NA 1635 JB72 41155A LEVER RETURN ABS GF20 1636 JB72 41156A BUSHING LEVER POM 1637 JB61 70935A SPRING RETURN LEVER 515304 WPB 510 6 1700 JB72 40954A PMO COVER REAR HIPS VE 1870U C7425 x III III la tg 59 1800 JB97 00925A MEA GARAGE 705 705 1801 72 40947 PMO CASE GARAGE HIPS VE 1870U 7425 1802 JB72 40248A PMO HOLDER CAP ACETAL BLK 1803 JB73 10903A RUBBER CAP HEAD SANTOPRENE 45 1804 6107 000014 SPRING CAP SUS 304 WBP 0 5DIA 1900 JB75 10944B MEC GUIDE BANNER 705 705 1901 JB72 60125A EXIT TRAY A HIPS HR 1360 C7425 1902 72 40984 PMO GUIDE BANNER 5 1360 7425 2000 JB75 10986B MEC CARRIER SHEET 2101 JB46 10524 S W DOS UTILITY 8505 860 2102 JB46 10525 S W WIN DRIVE 1 8505 MJ 860X 2103 JB46 10526 S W WIN DRIVE 2 8055 860 2104 JB46 10527 S W SCAN DRIVE 1 8505 MJ 860X 2105 JB46 10528 S W SCAN DRIVE 2 8505
9. 92 5 2 83 100 683 SAMHWA DONGSUNG TM2J683K 630V 683K SAMHWA MMW630V683K DONGSUNG R VARIABLE EVNDJAA03B52 1 2W 5000 TOP ADJ MATSUSHITA Samsung Electronics 9 13 DESCRIPTION VENDOR LOCATION R METAL 1 2W 560K J NORMAL L 9mm ABCO R1 R M O 1W 560K J MINI PILKOR ABCO R METAL OXIDE 1W 330K J MINI PHILKOR ABCO R METAL OXIDE 1W 47 MINI PHILKOR ABCO R METAL OXIDE 1W 470 J MINI PHILKOR ABCO 1 8W 100 J PHILKOR ABCO 1 8W 47K J PHILKOR R METAL OXIDE 1W 1 0 MINI ABCO PHILKOR ABCO 1 8W 330 J PHILKOR ABCO 1 4W 390 PHILKOR ABCO R METAL OXIDE 1W 110 J MINI PHILKOR ABCO 1 8W 4 7K J PHILKOR ABCO 1 8W 68 J PHILKOR ABCO 1 8W 10K J PHILKOR ABCO 1 8W 2 4K J PHILKOR ABCO THERMISTOR DSC 10D 9 10ohm 9pi SHINHO NTC 10D 9 SAMKYUNG Samsung Electronics PART No DESCRIPTION VENDOR LOCATION SURGE ABSORBER JVR14N471K UL JOYIN SVC471D 14A SAMHWA BEAD CORE BFD3550R2F SAMHWA RTD3550S R2 NAMYANG BEAD CORE BFS3550R2F SAMHWA RTS3550S R1 NAMYANG BEAD CORE F FB35T 3 5 6 1 NAMYANG
10. Guide Document In put Guide Stacker None Handset None Keys on OPE 4EA Ready Cartridge FF STOP START COPY LEDs on OPE 3EA Ready Busy Scan Fax Real Time Clock None Fax Monitoring Speaker Ring Volume Control Switch Yes None Paper Tray Modem Speed BIN Type up to 100 sheets Max 9600 bps Coding Method MR Error Correction Mode LCD None Answering Machine I F None Extension Phone I F 1 Jack Extension Phone Transfer PC Interface IEEE 1284 Parallel Interface ECP Fax Send Resolution Samsung Electronics Standard 200 x 100 dpi Fine 200 x 200 dpi Superfine 300 x 300 dpi 3 3 3 2 Facsimile Feature Use Ext Telephone Use PC Gray Scale Auto Contrast Auto Contrast 256 level with Error diffusion Memory Transmission Yes Memory Rx Yes Receive Mode Fax One Touch Dial 70 Numbers Speed Dial Chain Dial On Hook Dial Last Number Redial Telephone Auto Busy Redial No Power Operation Hold amp Mute Pause Ring Volume Control Flash Tone Pulse Switch Sensors Error Indicator Voice Request Terminal ID Polling U S A Yes Other countries No marked be provided by telephone s feature 3 4 Samsung Elect
11. LAMP1 2 1404 001081 THERMISTOR 100Kohm NTH5G2M42B104 04TE MURATA Tl 9 10 JB41 1051A SMARTJET LAMP PCB 1 LAYER LAMP PCB Samsung Electronics SEC CODE SENSOR P L DESCRIPTION PART NAME VENDOR Location 0604 001045 TR 0 8 100mW DIP 1594 51 1209 001016 IC THERMOMETER DS1621 SOP 8P 0516215 DALLA Ul 2007 000941 R CHIP47Kohm 5 1 10W RC2012J473CS SEM ROHMK R1 R2 R3 2007 000542 R CHIP 2000hm 5 1 8W 3216 201 5 SEM ROHMK R3 2203 000192 C CHIP 100nF5 50V NPO 2012 CL21F104ZBNC SEM MURATA 3708 001198 CONN FPC 6P Imm SMD 04 6232 106 103 800 ELCO Jb41 10504A SENSOR PCB Samsung Electronics PCB ZERO 9 11 SMPS B D P L PART No DESCRIPTION VENDOR LOCATION IC SHUNT REG 431 7 SAMSUNG Ul KIA431Z KEC IC REGULATOR KA7805P SAMSUNG KIA7805P KEC DIODE SWITCHING 1N4148 ROHM KOREA 1N4148 UNIZON DIODE SCHOTTKY 1N5822 MICRO SEMI 356 SHINDENGEN DIODE F R SF34 MICRO SEMI S3L20U SHINDENGEN DIODE ZENER MTZ20C ROHM KOREA UZ20BSC UNIZON DIODE ZENER 762 UZ6 2BSC UNIZON DIODE ZENER TZP15B ROHM KOREA UZP15B UNIZON 55 5 80 SAMSUNG KS
12. ROH R328 R317 2007 000300 10Kohm 5 1 10W RC2012J103CS ROH R328 R317 2007 000300 10Kohm 5 1 10W RC2012J103CS ROH R1 R2 R73 2007 000300 10Kohm 5 1 10W RC2012J103CS ROH R175 R200 R216 R242 2007 000300 10Kohm 5 1 10W RC2012J103CS ROH R252 R254 2007 000409 10Kohm 5 1 10W RC2012J103CS ROH R332 2007 000451 15Kohm 5 1 10W RC2012J103CS ROH R188 2007 000465 1800hm 5 1 8W 3216 RC3216J181CS ROH R334 R369 2007 000468 1Kohm1 1 10W RC2012F1001CS ROH R256 R259 R260 2007 000468 1Kohm 5 1 10W RC2012J102CS ROH R35 R45 R53 R185 R186 2007 000468 1Kohm 5 1 10W RC2012J102CS ROH RR207 R209 R210 R214 R245 R246 2007 000468 1Kohm 5 1 10W RC2012J102CS ROH R262 R314 R319 2007 000508 1Kohm 5 1 10W RC2012J102CS ROH R321 R325 R330 R336 R339 2007 002842 14 3Kohm 1 1 10W 10 1432 R249 2007 000565 2000hm 5 1 8W 3216 RC3216J201CS R205 R247 2007 000586 220Kohm 5 1 10W RC2012J224CS R264 2007 000671 2007 000703 2007 000705 R CHIP 22Kohm 5 1 10W 2Kohm 5 1 10W 3 6Kohm 5 1 10W RC2012J223CS RC2012J202CS 2012 334 5 R205 R247 R262 R340 2007 000705 9 2 R CHIP 3 6Kohm 5 1 8W 3216 RC3216 362CS Samsung E
13. KSP56 SEC MOT Q3 0501 000457 TR CHIP MMBT2222ALT1 NPN 225mW KST2222A TF 5 04 05 012 0501 000462 TR CHIP PNP 225mW SOT 23 MMBT2907A SEC MOT Q6 0501 000545 TR SMALL SIGNAL PNP 500mW SOT 89 KSA1203 YTF SEC Q7 0503 000129 TR POWER TIP112 TIP112 5 02 0601 000012 LED CHIP CHIP Y GRN 1 5x0 9MM 5 2331 0601 001064 LED CHIPRED GRN DUAL COLOR 3x2 5mm SLS YGUR302TM SEM 0604 001033 PHOTO INTERRUPTER 15523 SHARP 0803 000916 IC TTL 74LS245 TRANS VER SN74LS245DW MOT NSC 1001 000171 IC LIN VUFFER MC14053BD SOP16 150MIL MC14053BD MOT 1003 000243 DRV PBL3717A DIP 16P PBL3717A SGS 27 U28 1003 001102 DRV TEA3718 DIP TEA3718DP SGS 25 U26 1003 001137 IC SOURCE DRIVER HD8 CD1603 50P24P CD1603 R PHI 19 020 1003 001138 IC SOURCE DRIVER HD7 CD1602 50P20P CD1602 R PHI 23 024 1105 001030 IC MEM DRAM 16M 1M 16BIT SOJ 42P KM416C1200BLJ 6 SEC 35 1107 001055 IC FLASH MEMORYAM 16BIT TSOP48P 29 400 120 AMD FUJIT 10 1201 000167 IC LIN OP AMPSOP8P KA358 KA358D T F SEC 1201 001052 IC LIN OP AMP SOP 8P 150MIL MC14577CFR2 MOT 1202 000164 IC VOLTAGE COMP 393 SOP 8P 150MIL KA393D SEC MOT 1203 000623 IC LIN DETECTOR
14. OUTPUT HAR IFPS HARNESS 6PIN 320mm SHIN GIN NESS SEOIL IFPS G W 1 150mm GREEN SHIN GIN GND WITE ASS Y IFPS G W 2 215mm GREEN YELLOW SEOIL SHIN GIN GND WIRE ASS Y SEOIL BCP 03A BAE EUN 0714 FR7 INALWAYS 0535060 17171116 0 35 60T BUJEON LINE FILIER YOUNHWA BAR5 20 15 5TS NAMYANG CHOKE COIL DONGHEUNG IFPS V2 DONGHEUNG TRANSFORMER SUNGWON ASEA TRLAD CLIP FUSE 50T 020H 250V 2 0A FUSE GLASS SECC T 1 0 SUN WOO SHIELD PLATE Samsung Electronics YOO CHANG 9 15 PART No DESCRIPTION VENDOR IFPS V2 1 1 6 CHUNG JU GANA LABEL IFPS V2 SAMSUNG PRINTEC SCREW FG MSBH 4 SCREW WASHER DAEKYUNG SCREW MSBH 3 6 TAPTITE GLD DAEKYUNG SCREW MSBH 3 10 GLD DAEKYUNG 1649 JUMPER 0 6mm SAMEUN Q1 2 SILICON RUBBER 9 5 27 MUNG SUNG CAP TO 220 APEK CLAMP TR4 SPCC 1 67 DONG IL YOO CHANG CLAMP TR SOLDER WIRE SN63 1 0 YOO CHANG SEOUL SOLDER BAR SN60 SEOUL AUTO POST FLUX 15 90 5 SANKEI KOREA THINNER 4662SM KESTER LUG GROUND 40 0 5T DONG IL LUG1 9 16 LUG GROUND 30 0 5T DONG IL LUG2 LUG3 Samsung Electroni
15. Samsung Electronics 4 4 2 Taking off Rear Cover Push in the paper guide C of automatic sheet feeder and place it inside of A4 line Push the guide manual L D left gt Unhook right and left hooks A on the upper part of rear cover Unhook right and the left hooks of bottom cover by pushing them in Separate rear cover in the same direction that Fig 4 2 Taking Off Rear Cover the automatic sheet feeder is mounted 4 3 Separating Automatic Sheet Feeder Fig 4 3 Separating Automatic Sheet Feeder Remove various wires fixed on the side of automatic sheet feeder Unscrew 2 screws on automatic sheet feeder Push slightly and disconnect the hook fixed to the main frame Separate automatic sheet feeder by pulling it in the direction of the arrow symbol Samsung Electronics 4 4 Separating Main Circuit Board Fig 4 4 Separating Main Circuit Board Separate various connectors connected with the main board Separate head cable connected with the main board gt Unscrew 3 screws fixed to the main board and separate the main board in the direction of the arrow symbol 4 5 Separating Power Circuit Board Fig 4 5 Separating Power Circuit Board Unscrew 2 screws that fix the right and left ground wire Press the hook on the middle of the housing and separate power circuit board Samsung Electronics 4 3 4 6 Separating
16. 2203 001142 2305 000218 CAP CERAMIC 68NF 50V 5 2012 105 250V 10 CL21B683KANC MMT2E 105K C4 18 C3 2401 000217 CAP AL ELEC 100NF 50V 2076 1551 104 4007 5 2401 000486 2401 000597 CAP AL 10UF 50V CAP AL 50V CESSM1H100MAAT CESSMIHO10MAAB SAMY SAMH C25 28 38 2401 001368 CAP AL ELEC 470UF 16V CESSL1C471MAAT SAMY SAMH 2401 001509 CAP AL ELEC 47 16V CESSM1C470MAAT SAMY SAMH 2401 001775 CAP AL ELEC 0 47UF 50V CESSM1HR47MAAB SAMY SAMH 2403 000124 CAP TA DIPPED 10uF 20 16V 50v TBG1C 100MSS EWO SPRA 2404 000151 CAP TA ELEC 1UF 20 491 105 016 5 2802 001029 C RESO 3 58 0 5 CSA3 58MHz CSA3 58MG312AM MURATA 3501 001025 RELAY MINIATURE 12V 2FORM G6A 234P BS OMRON 3711 002807 3711 002813 CONN HEADER 6P 2MM STRAIGHT CONN HEADER 12P 2mm STRAIGHT 35303 0650 35303 1250 MOLEX MOLEX 4715 000127 SURGE ABSORBER ARRESTER 2P 5 11 330V DSS 301L A22R MITSUBISHI ARSI 2 3 BH39 40305U JB41 10508A WIRE NO SHEATH JUMPER WIRE AWG22 0 6PI 7155 4 11 T1 6mm 110 90 LIU PCB JUMPER WIRE LIU PCB KJEW LGC CJE PP AR
17. JB61 70923A JB70 10918A JB72 41026A JB70 10906A JB72 40218A JB72 40923A CBF POWER CORD 2000MM ELA UNIT ASF 8505 MJ 860X PMO FRAME ASF HIPS VO PMO PLATE KNOCK UP ABS HB PMO GUIDE ENVELOPE HIPS HB PMO LEVER DAMPER POM MINARAL 5 MMP PAD CORK SPRING KNOCK UP SUS 304 WPB 135g IPR PLATE TENSION PMO GUIDE PAPER SIDE ABS HB 75064 IPR GUIDE LATCH SUS 0 3T PMO GUIDE EXTENSION A HIPS HB PMO FINGER ASF ACETAL NA IO X XX X XX OO Samsung Elecironics Availability Minimum Location Code Part Name amp Specifications of Materials Q ty 1613 JB72 40924A PMO LEVER FINGER ACETAL NA 1614 JB61 70903A SPRING FINGER LEVER SUS 304 WPB 1615 JB70 10903A IPR BRACKET FINGER SECC T0 8 1616 JB72 41029A MANUAL 1415109 1617 JB72 41025A MO GUIDE MANUAL R PC GE 1415109 1618 JB72 41028A MO GUIDE MANUAL L PC GE 1415109 1619 JB72 30901A MO GUIDE FILM 1620 JB72 40921A 5 PICK UP 1621 JB72 41024A MO GUIDE FINGER ACETAL NA 1622 JB73 40901A UBBER PICK UP EPDM 1623 72 40925 MO ROLLER IDLE 1624 JB72 40926A PICK ACETAL NA
18. 1 amp print head swapping type Technology at draft mode 6005300 Speed at draft mode 6005300 600 5 600DPI 120051200 DPI addressable Resolution 600 5 600DPI 120051200 DPI addressable Printing Width 8 Inch Automatic 100 sheets for normal cut sheets coating paper Feeding Method Manual Recommended for thick media fashion paper envolope postcard Banner paper Emulation Host Based Printing GDI Printer Driver Window 3 1 3 11 and Windows 95 drivers Interface 1284 Compatible Parallel Interface ECP 1 B Ink Cartridge Supply Mono Ink Color Ink Print Head 208 nozzles 192 nozzles Ink Type Pigment Dye Ink Color Black Color Ink Yield About 600 sheets About 200 sheets Samsung Electronics 3 1 2 5 Technology CCD Scanner Type Color Mono TWAIN Compatible Yes Pre Scan Using Carrier Sheet Speed about 1 PPM about 2 PPM Resolution 300 X 300 DPI for SmartJet C only 300 X 300 DPI Gray Scale 256 Level Printing Width 8 Inch Feeding Manual Yes Interface IEEE 1284 Compatible Parallel Interface ECP 3 2 Samsung Electronics 3 1 Facsimile Compatibility ITU G3 Scan Method CCD Shuttle Scanning Method Scan Width Max 8 5 Inch Effective 8 Inch Document Feeding Method Manual Feeding Method
19. 10910A MEC FRAME MAIN 8505 860 IPR FRAME MAIN SECC T1 2 IPR RAIL CR 2 SECC T0 8 IPR SUPPORT BASE SECC T12 800 801 802 JB97 00939A JB75 10926A JB66 40001A MEA ROLLER FEED MJ 705G MJ 705A MEC ROLLER FEED SUM 24L EPDM 70deg GEAR FEED POM 900 901 902 903 97 00938 72 40914 JB70 40902A JB61 70902A MEA FRICTION ROLLER MJ 705G MJ 705A PMO HOLDER FRICTION PBT BLK ICT ROLLER FRICTION SUS 24L NI DIA4 0 SPRING FRICTION SUS 304 WPB 0 4DIA 1000 1001 1002 1003 JB97 00240A JB72 40232A JB72 40236A JB61 70004A MEA ROLLER SUB COLUMBUS PMO HOLDER ROLLER ABS 0 BLK PMO ACTUATOR FEED ABS HB BLK SPRING ACTUATOR SUS 304 WPB 0 2DIA 1101 1102 1103 1104 1105 1106 JB70 40903A 1872 40959 JB61 70007A 6107 000003 JB66 10002A 3101 001096 ICT SHAFT CR 2 SUM 24L NI PMO FRAME SUPPORT ABS HB BLK SPRING CR SHAFT SUS 304 WPB 0 7DIA SPRING ES DAMP SUS 304 WPB 0 3DIA BEARING FEED R POM BLK MOTOR STEP CR MOTOR 1200 JB92 00914A PBA MAIN MAIN 8505 1300 1301 1302 1303 JB75 10939A JB72 40955A JB74 10901A JB61 40001A MEC COVER BOTTOM MJ 8505 860 PMO COVER BOTTOM HIPS VE 1870U C7425 MPR FELT INK PULP FOOT PRINTER CR RUBBER 1400 JB44 10502A SMPS FV FREE VOLT 1500 955 001407AAAA JB96 00913A JB72 40915A JB72 40917A JB72 41027A JB72 40950A 829 492001AA
20. 2DIA 406 JB72 40940A PMO GUIDE CAP POM BLK 407 JB72 40248A PMO HOLDER CAP POM BLK 408 JB73 10903A RPR RUBBER CAP HEAD SANTOPRENE 45 409 6107 000014 SPRING CS CAP SUS 304 WPB 0 55DIA 500 JB97 00242D MEA PULLEY IDELE MJ 705G MJ 705A 501 JB66 40203A GEAR IDLE POM BLK 502 JB72 40283A PMO HOLDER PULLEY ABS HB BLK 503 JB70 40100A ICT SHAFT PULLEY SUM 24L NI DIA3 0 504 6107 001004 SPRING CS PULLEY SUS 304 WPB 0 8DIA 550 72 41121 STOPPER PULLEY ABS O X X X X O lt X X X X X X X X X OO X O X X X O X X O X X X X X OO X X OO X X X X O X X O X X OO O O O Samsung Electronics 7 1 Location Code Part Specifications Availability Minimum of Materials Q ty 600 601 602 603 604 605 606 607 608 97 00945 JB75 10934A JB70 10902A JB66 40002A JB66 40003A JB66 40902A JB66 40903A JB66 10001A 3101 001079 MEA BRKT LF1 MJ 705G MJ 705A MJ 705G MJ 705A BRKT LF MOTOR SECC T1 2 GEAR LF IDLE POM GEAR LF IDLE2 POM GEAR LF IDLE3 POM GEAR LF IDLE4 BEARING FEED L MOTOR STEP LF MOTOR 700 701 702 703 JB75 10938A JB70 10908A JB70 10909A JB70
21. 3 TIT Transformer Input from Transformer This single ended input receives image signals from modem through transformer T2 and transmits them on telephone line e U3 40 ROT Receive Output Transformer This output transformer receives signals on telephone line and delivers them to modem through transformer T1 It has AC impedance of 10Kohm or over AC impedance Normal operation range of U3 STI9510 is from 15mA to 100mA DC characteristics depend on the voltage of U3 37 LI Line Input terminal and the voltage of resistance R48 between U3 37 LI Line Input terminal and U3 39 LS terminal 5 2 3 RING SIGNAL DETECTOR e U3 28 MO terminals are ring signal output terminals Q4 and Q5 put out ring signals and drive Piezzo but SmartJet2000 SMARTJET does not use Piezzo It has only the functions related to ring detection such as dri ving the photocoupler of U4 and delivering ring signals to MFP controller U15 KS32C6200 of the main 5 2 4 DIALER 5 2 4 1 MF DIAL Default mode it is set in DP You can change it to MF mode by control of controller MF signal can be measured at tone level of low group typical 144 U3 4 MFO DTMF Generator Output The signal is adjustable by R40 R41 and C29 The adjusted signal enters U3 9 DTMF Amplifier Input and is amplified to be transmitted on telephone line U3 39 LS Line Current Sense Input terminals show the final signals transmitted to telephone line 5 2 4 2 DP DIAL
22. 515 bit4 bit3 bit2 bit1 Head D read HEAD DATA Mono 07H Color 08H Fig 5 1 15 HEAD DETECTION TIMING DIAGRAM Samsung Electronics SURROUNDING 5 5 DS1621S DALLAS 5 is applied to read temperature around ink cartridge It is used to get optimum inking quality by keeping the viscosity of ink in the cartridge in the specified lerel The way to read tem perature is similar to EEPROM controlled by THM CLK THM DATA LINE Digital thermometer to check the surrounding temperature is assembled along with home sensor in the frame of assembly CR After each line is printed it reads the surrounding temperature and heats substrate heater in the ink cartridge during the accelerating time of CR to keep the viscosity of ink in the specified lerel 5 1 5 4 HEAD DRIVING TIMING Control signal from controller 532 6200 015 enters the head driver and it becomes the level to be able to drive the head nozzles 11 75 It is depicted in the following diagram Fire Enable Timer tp PD Pre Heat Pulse Width Fire Pulse Width k Signal NR Delay Pre Heat Delay Width Back End Delay Fig 5 1 16 HEAD DRIVING TIMING DIAGRAM 5 20 Samsung Electronics HSM BA2 BAS BA4 BAS BAG BAT BAS 9 BA10
23. 860 2106 JB46 10529 UTILITY CD ROM TITLE 8505 860 2107 JB68 60917A MANUAL USERS DRIVE 8505 860 2108 JB68 60920A MANUAL USERS SCAN 8505 860 2109 JB68 60921A MANUAL USER PRINTER MJ 850S MJ 860X 2110 JB59 10504A UNIT CARTRIDGE C BABBAGE 2111 JB59 10507A UNIT CARTRIDGE M BABBAGE 2112 JB39 40301H CBF HARNESS S1 6003 000179 SCREW TAPTITE PWH S M3 L6 52 6002 000101 SCREW TAPPING 5 L10 BLK 53 6003 001016 SCREW TAPTITE S 15 5 6003 000126 SCREW TAPTITE BH 5 L6 6002 000175 SCREW TAPPING PWH 2 L8 6003 000193 SCREW TAPTITE PWH B 2 5 L6 6003 000190 SCREW TAPTITE PWH S M3 L6 6002 000143 SCREW TAPPING 2 2 5 L6 6003 001062 SCREW TAPTITE S 112 WHT XxXXO XXXXOO XXXOXXXXXXOXXXxxxxxxoooxx Samsung Electronics 7 3 Availability Minimum Location Code Part Name amp Specifications Gl 0205 001002 GREASE NYOGEL 744 G2 0205 001007 GREASE NYOGEL 759G 961 171005 GREASE CRS841 7 4 Samsung Electronics 7 1 Explo
24. Printer Remove 2 screws fixed to printer engine unless you unscrewed them at the previous stage Push outside right and left hooks on the side of the engine unhook them and separate the engine in the direction of the arrow symbol Fig 4 6 Separating Printer Engine 4 7 Separating Home Assembl 4 4 b Unscrew 1 screw fixed to the back of the engine and separate home assembly from the engine Pull out the wiper and the cap in the direction of the arrow symbol to separate them Fig 4 7 Separating Home Assembly Samsung Electronics 4 8 Separating Carrier Assembl s Idle Pulley Separate cable connected with the main board Separate the holder cable fixed to the main frame b Remove 1 screw on the right of the engine and spring on the left of the engine Push the left idle pulley in and separate the right part of the timing belt from motor pulley Pull out carrier shaft and separate carrier Assembly Fig 4 8 Separating Carrier Assembly 4 9 Separating Frame Base Assembl Actuator Feed Roller Friction Assembly gt Refer to 4 8 to separate carrier Assembly first Separate 4 roller friction Assembly on the back of the engine and then actuator feed Separate frame base Assembly by lifting the back Fig 4 9 Separating Frame Base Assembly Samsung Electronics 4 5 4 10 Separating Feed Roller Assembl gt Refer to 4 9 to separa
25. and then place the assembly on the surface of electric conductors such as aluminum oil to prevent static electricity from accumulating 3 Do not use chemicals like Freon These chemicals produce static electricity that may damage parts 4 Solder ESD parts with a grounded soldering iron 5 Use static electricity protective solder Solder not marked static electricity protective accu mulate static electricity that damages ESD parts 1 2 6 Do not get rid of the static electricity protective cover of ESD parts until you are ready to replace them Most of ESD parts are packed with elec tricity conducting materials in contact with ESD parts leads 7 Make static electricity protective materials con tact the chassis or the circuit where parts will be mounted before you remove the materials from ESD to be replaced 8 Minimize your motion when you handle the ESD parts from which static electricity protective materials have been removed Static electricity is generated when your clothes are frictionized or you walk on the carpet 9 Be careful not to bend pins when you handle IC 10 Pay attention to directions when you mount parts on PCB 11 Overheat during soldering may damage the parts completely Heat affects all the parts Samsung Electronics 2 Referential Information 2 1 Abbreviations amp Acronyms Abbreviations Definition MFP Multi Function Peripheral I F INTERFACE UART Universal Asynchr
26. coupler It enables UART of U3 STI9510 to receive control signal dialing information from controller of the main board U15 Insulation between prinary and secondany circuit part 3 U6 PC817 Photo coupler It enables UART U3 29 TXD of U3 STI9510 to deliver telephone line status response signal about control signal or dialing information from LIU to MFP controller of the main board U15 Insulation between prinary and secondany circuit part 4 U4 PC817 It senses and delivers ring signal to the main board Insulation between prinary and secondany circuit part 5 02 PC814 It senses hook off Line connection of the external telephone and delivers it to the main board Insulation between prinary and secondany circuit part 6 BD1 BRIDGE DIODE Regardless of the polarity of DC power from telephone line the voltage put out on Pin 1 has always polarity against pin Pin 2 DC loop forms always in the same direction regardless of the polar ity of the telephone line 7 12 13 TRANSFORMER It delivers signals from the telephone line to modem or signals from modem to the telephone line Insulation between prinary and secondany circuit part Samsung Electronics 5 29 5 3 5 5 5 3 1 BLOCK DIAGRAM POWER CIRCUIT Refer to the following block diagram AMUNDSEN 6 SMARTJ ET POWER SUPPLY 220 240Vac HALF WAVE 3 TERMINAL RECTIFIER REGULATOR gt RED SNUBBER C
27. low 0V and the voltage is impressed to flash memory and KS32C6200 running RESET LOW Flash memory and KS32C6200 are reset first Thereafter modem print control parts and CIP Color Image Processor linked to RST OUT terminal of KS32C6200 are reset as well 7045 output terminal of open drain structure is pulled up 5 1kQ and put out 5 1 3 SYSTEM MEMORY System memory consists of 512KB flash memory 2 DRAM Flash memory and DRAM are selected by each CHIP SELECT ROMCS RASO RAS1 LCAS UCAS and data is accessed half word 16bits half word 5 12 Samsung Electronics 5 1 4 SCANNER 5 1 4 1 SUMMARY This product has CCD Charge Coupled Device as an image sensor to receive image input signals and has embodied a shuttle scanner realizing various scanner control signals and image processing with color image processor CIP1A U17 which is ASIC for shuttle scan We are going to look into the principles by explaining the whole data flow in the scanner block diagram of CIP1A allocated 1 port and peripheral circuits 5 1 4 2 CIPLA U17 The inside of ASIC is roughly divided into A D Converter to convert image signals to digital signals Scanner Controller to provide various CCD driving signals and signals to interface with host controller and Image Processor for shading compensation gamma compensation and reasoning of image signals IP Scanner Control Converter Controller Process
28. the wall outlet before cleaning Do not use liquid cleaners or aerosol cleaners Use a dry cloth for cleaning 11 Use only standard paper OHP film andap proved envelopes 1 2 Servicing Precautions Please read these instructions carefully and completely 1 Unplug this product from the wall outlet before you disassemble it 2 Replace defective parts with the same parts as them 3 Check the insulation of electricity conducting parts metal plate or input terminal that can easi ly contact AC plug blades 4 How to check insulation Pull the AC plug out of the outlet and measure insulation resistance of each blade Samsung Electronics 5 Insulation resistance of AC plug blades against electricity conducting parts should be 1 megaohm or over 6 Always use it after connecting the ground of mea suring instruments to the ground of chassis And after you use it separate the ground of the measuring instruments lastly 1 1 1 3 Static Electricity Precautions Semi conductors easily damaged static tricity They usually called electrostatically sensitive devices ESD For example there are IC FET and semi conductor chips 1 Before you handle semi conductor parts be sure to discharge electricity by touching earth connec tion or putting on a wristband Before you turn on the product put off the wristband to prevent electric shock 2 Remove the static electricity protective device
29. 015 0 17 UCAS LCAS RASO 1 ANR 00 015 0 9 5 WR 00 07 0 4 PD0 PD7 P BUSY P ACK 5 Y Y Y Y P INIT P SLCTIN P AUTOFD P STB 245DIR MCLK 30MHz POR FLASH MEMORY DRAM MODEM RST OUT PARALLEL INTERFACE IEEE1284 5 1 5 1 2 CONTRLLER 532 6200 015 MFP Controller consists of CPU ARM7TDMI RISC processor 2K byte cache data and address buses serial communication part with LIU Line Interface Unit print head controller parallel port interface external part to receive data from external color image processor CIPIA U17 LF motor diver controller and I O controller 5 1 2 1 SYSTEM CLOCK The internal clock frequency is 30MHz 30MHz system clock MCLK supplied from the outside is used with out being divided inside 5 1 2 2 DATA amp ADDRESS BUS CONTROL amp WR RD amp WR signals are synchronized with MCLK 30MHz and become LOW ACTIVE These signals are strobe signals used to read and write data when each CHIP SELECT is connected with RD and WR pin of RAM ROM MODEM and the outside devices and becomes active CHIP SELECT CSO ROMCS 5 IP CS CIPLA U17 CHIP SELECT LOW ACTIVE ROMCS ROM FLASH 010 CHIP
30. 05 ATSUSAMY C124 2007 000300 C AL SMD 226M 1V 22U 16V ECEV1CA220SR ATSUSAMY C118 2007 000325 C TANTAL 1uF 20 16V 3216 TAJA105M016R SEM AVX C120 2007 000395 CRYSTAL 24 00014M HC 49 S 18PF 49 5 24 00014 ITC SUNNY Y1 2007 000401 CONN WALL HEADER 12P2mm STRAIGHT 35303 1250 MOLEX 9 6 2007 000477 CONN WALL HEADER 2P2mm STRAIGHT 35303 0250 MOLEX Samsung Electronics SEC CODE LIU B D P L DESCRIPTION PART NAME VENDOR Part Number 0401 000140 DIODE SWITCHING 1N4148 100V 200mA 500mW 4nS DO IN4148T R DOMS NSC TERRY D1 D8 0402 000339 DIODE BRIDGE WO6F 600V 1 5A W06G BD1 0403 000139 DIODE ZENER 1N4734A 5 6V 595 1W DO 41 TP 1N4734AT R 208 0403 000155 DIODE ZENER 1 4748 22V 5 1W DO 41 1N4748A ZD5 0403 000532 0403 000537 DIODE ZENER 1N4740A 10V 5 1W DO 41 TP DIODE ZENER 1N4749A 24V 5 1W DO 41 1N4740 A 1N4749A ITT MOT ZD7 0501 000242 TR SMALL SIGNAL BC547B NPN 500mW TO 92 TP 200 BC547B ITT NSC 0501 000500 TR SMALL SIGNAL KSP45 NPN 625mW TO 92 50 20 5 45 5 0501 000550 TR SMALL SIGNAL 327 16 625mW 92 327 16 SEC 0502 000133 TR POWER 25 1156 PNP 1W
31. 13 T 3404 001001 SWITCH TACT RIGHT ANGLE SKHH17910C SW5 8 3702 001025 CONN RIBBON 36PSTRAIGHT AU FEMALE P BRON 57GE 40360 853B D58 DDK 8 3708 001187 23 1mm 08 6232 023 007 800 ELCO 9 10 3708 001224 CONN HEADER 14P1mm 08 6232 014 007 800 CON2 3711 000225 CONN HEADER 4P 1R 2 5mm STRAIGHT 5045 04 5 MOLEK 4 5 3711 000280 CONN HEADER 6P 1R 2 5mm STRAIGHT 5045 06 5 MOLEK CONI 3711 003409 CONN HEADER 3P 1R 2mm STRAIGHT 35303 0350 MOLEK CON7 4701 001020 FREQ ATTENUATOR 5 80MHz 15dB 0 03W FS741AZB IMI U 8710700006XA IC TTL 7406 BUFFER SOP SN7406D TLPHI 8810200339XA IC LIN LM339 COMP SOP 14P KA339D SEC PHI 13 10503 IC ASIC MICRO PROCESSOR 1606 532 6200 SEC JB13 10504A IC ASIC IMAGE PROCESSOR 80P SMD SEC 7841 10507 PCB MAIN FR 44L 215x87x1 6T MAIN KIJU 9 4 Samsung Electronics SEC CODE DESCRIPTION PART NAME VENDOR Location 0401 000116 DIODE WITCHING MMSD914T1 100V 200mA MMBD914T1 MOT 0407 000101 DIODE ARRAY DA204K 20V 100mA C2 3 DA204KT147 ROHM 0501 000342 TR CHIP NPN 200mW SOT 23 KSC1623 Y SEC 01 1001 000171 IC LIN BUFFER MC14053BD SOP 16 150MIL MC14053BD MOI U7 1201 000105 IC LIN SOP 8 SINGLE MC34119DR2
32. 14 Separating Scan Assembl Fig 4 14 Separating Scan Assembly Unscrew 1 screw Push up scan Assembly in the direction of the arrow symbol to separate it from the carriage 4 15 Separating White Reference Sheet White Reference Sheet NG Fig 4 15 Separating White Reference Sheet N gt gt Remove contaminated white reference sheet completely from the frame base Ask for new white reference sheet Samsung Electronics 4 9 5 CIRCUIT 5 1 MAIN PBA 5 1 1 SUMMARY The main circuit that consists of CPU MFP controller built in RISC processor core ARM7TDMI including various 1 device drivers system memory scanner printer motor driver PC and FAX transceiver controls the whole system The entire structure of the main circuit is as follows LIU STI9510 COKOR IMAGE PROCESSOR LF MOTOR DRIVER CR MOTOR DRIVER PRINT HEAD DRIVER amp PRINT CONTROL CIRCUIT Fig 5 1 1 Entire Structure of Main Circuit for Each Key Signal Samsung Electronics LIU TXD LIU RXD IP CLK IP CS RD WR D0 D15 A0 A4 RST OUT LFPHA LFPHB LFIAO LFIA1 LFIBO LFIB1 CR REF CRPHA CRPHB CRIAO CRIA1 CRIBO CRIB1 RST OUT HEAD EN HEAD DATA HGA1 HGA13 HOE1 HOE16 OK2PRINT FAULT TEST BIASOFF MFP CONTROLLER KS32C6200 ROMCS RD WR 00
33. 2 4 5 00 SERVICE anual mm INKJET PRINTER COMPOUND CONTENTS 1 Precaution 2 Referential Information 3 Specifications 4 Disassembly amp Assembly 5 Circuit 6 Repair 7 Exploded View 8 Packing 9 Circuit Diagram amp Parts List 10 Block Diagram 11 PCB Layout 12 Wiring Diagram ELECTRONICS 1 5 1 1 Safeguards Please read these instructions carefully completely Do not use this product in a humid place nor out door 2 Do not place this product on an unstable stand or table The product may fall causing serious dam age to the product Use this product in a well ventilated place Slots are provided for ventilation Never push objects of any kind into this product through these slots as they may result in a fire or electric shock Never spill liquid of any kind on the prod uct 5 Power supply cords should be routed so that they are not likely to be walked 6 Use this product in a place big enough to support printers A w 7 Install this product within 180cm from the com puter and 150cm from the power outlet 8 This product should be operated only from the type of power source indicated on the marking label 9 If you use extension cords be sure they have three wire grounding type power outlets Do not overload wall outlets and extension cords Never load one wall outlet with over 15 ampere 10 Unplug this product from
34. 2 4 LIU PBA is HIGH 4V or over 3 Refer to 3 4 5 and 6 of Defective Transmission Reception in In case PC controls Replace defective parts If high check the surrounding circuit and replace LIU PBA Refer to 3 4 5 and 6 of Defective Transmission Reception in In case PC controls Automatic Reception Failure 1 Can you check ring Check ring pat tern of U17 18 main PBA 2 Refer to Defective Transmission Reception If not replace LIU PBA Refer to Defective Transmission Reception MF dial is possible but not DP dial 1 Check the part around R2 and Q6 of LIU PBA 2 Check connection of R43 of LIU PBA Replace LIU PBA Replace LIU PBA Note 1 Refer to 5 CIRCUIT for the details about the signals mentioned above 2 Unplug power cord and insert it again to cancel all operations all operations being performed error etc and initialize the system 6 7 Other Problems PROBLEM ITEMS TO BE CHECKED HOW TO SOLVE Ink Low continues to be displayed or warning voice sounds though ink has been replaced Check if you reset Ink Low Counter when you replaced ink Reset Ink Low Counter by pressing ink replacement button for more than 3 seconds when you replace ink using the button Reset Ink Low Counter by pressing new cartridge replacement button when you replace ink using PC Printed color is extreme
35. 3 SINGLE KIA7045F KEC U16 2001 000202 R CARBON 0 50hm 5 1 2W CR1 2W 0 5 J ABCO R318 R322 R324 R329 2007 000023 R CHIP 1200hm 5 1 10W RC2012J121CS SEM ROHMK R54 2007 000026 R CHIP 2000hm 5 1 10W Samsung Electronics RC2012J201CS SEM ROHMK R43 R44 R70 R193 R195 9 1 SEC CODE DESCRIPTION PART NAME VENDOR Location 2007 000026 200ohm 5 1 10W RC2012J201CS ROH R197 R199 R202 R204 2007 000028 39ohm 5 1 10W RC2012J390CS ROH R215 R63 R66 R69 R301 R313 2007 000029 0ohm 576 1 10W RC2012J000CS ROH R29 2007 000221 0ohm 596 1 10W RC2012 000CS ROH R362 R363 R353 2007 000223 1 2Kohm 5 1 10W RC2012J122CS ROH R368 2007 000238 1 2Kohm 5 1 8W 3216 RC3216J122CS ROH R224 2007 000240 1 5Kohm 1 1 10w 2012 1501 5 R315 2007 000285 1 5Kohm 1 1 8W 3216 RC3216F1501CS ROH R221 2007 000286 100Kohm 5 1 8w 3216 RC3216J104CS ROH R223 R225 2007 000288 1000hm 1 1 10w RC2012F1000CS ROH R257 2007 000290 1000hm 1 1 8w 3216 RC3216F1000CS ROH 14 2007 000290 100ohm 5 1 10W RC2012J101CS ROH R74 R118 R120 R121 R123 R158 R165 2007 000297 100ohm 5 1 10W RC2012J101CS ROH R189 R356 R361 R364 R365 R367 c344 2007 000300 10Kohm 1 1 10W RC2012F1002CS
36. 3 sec Refer to LED status If you press this key when hook off it will operate to receive or transmit the document you fed green LED ON O OFF gt green LED blinks red LED ON red LED blinks System Standby Mode You can start new operation only in this mode TEL mode System Standby Mode You can start new operation only in this mode FAX mode Data is being received from host Printing other operation Data is being uploaded to host Scanning Fax transmitting reception Faxing Transmitting receiving error Paper jam no paper No document next document document jam Cartridge is being exchanged No cartridge Ink low eo 00000000 00 0000006600 Cartridge FF Stop Start Copy O 0 0 Busy Scan Fax Samsung Electronics 5 27 5 2 LIU PBA 5 2 1 SUMMARY LIU Line Interface Unit circuit added only to SMARTJET is controlled by the main circuit It monitors telephone line and helps interface between the system and the telephone line It uses 1 LIU STI9510 to control the whole LIU LINE INTERFACE RING SIGNAL DETECTOR DIALER LINE CURRENT DETECTOR and SERIAL INTERFACE 5 2 2 MODEM LINE INTERFACE This is the path through which transmitted and received data of modem is put in and out e Relay It divides telephone line into external telephone and fax U3
37. AD TCK TEST FOR EMULATOR CLOCK TMS GIOP1 IMS TEST PIN FOR EMULATOR DATA MODE TDI GIOP2 TDI TEST PIN FOR EMULATOR DATA FROM EMULATOR TRST GIOP 3 TDO GIOP 4 5 10 TRST TDO TEST PIN FOR EMULATOR RESET TO CON TEST PIN FOR EMULATOR DATA TO EMULATOR Samsung Electronics 5 1 2 10 As for SMARTJET there 2 power resets of primary reset F POR and secondary reset and also reset watchdog timer Primary reset is used to initialize flash memory when the system is turned on while secondary reset is used to initialize the whole system by initializing MFP controller KS32C6200 after primary reset Primary reset makes flash memory wait in READ mode to fetch program codes and sec ondary reset makes the main controller KS53C6200 wake up and initialize external peripherals to operate the system Fig 5 1 10 is Power Reset Timing Diagram supply Voltage F POR E r Reset filter 65 MCLK Internal Reset 256 MCLK lt internal Reset ROM Access Fig 5 1 10 POWER RESET TIMING DIAGRAM Samsung 6541 POWER 016 7045 If 5V supplied to KIA7045F is so unstable as to reach 4 65V 4 35V typically 4 5V it will recognize it as power failure Then KIA7045F output terminal becomes
38. C5020 0 SAMSUNG TR SWITCHING KSC1008 Y SAMSUNG PHOTO COUPLER PC123FY2 DIODE BRIDGE D2SB A 60 SHINDENGEN KNB1530 154 AC275V 154M MINI TYPE ISKRA PCX2 335M 154 275 154M MINI TYPE PHILKOR HCYE2G222MAA 400 222M VDE 2600V SAMSUNG SCE2G222M08BS7 SAMHWA 9 12 Samsung Electronics PART No DESCRIPTION VENDOR LOCATION HCYE2G222MAD AC400V 222M 4000V SAMSUNG C6 SDE2G222M10BS1 SAMHWA CAP ELEC SMH400V100uF 400 100uF 22 30 SAMYOUNG HC400V100uF SAMHWA CAP ELEC SXE16V820uF 16V 820uF 10 25 SAMYOUNG RX16V820uF SAMHWA CAP ELEC SMS25V47uF 25V 47uF 551 SAMYOUNG SG25V47UF SAMHWA CAP ELEC SXE50V330uF 50V 330uF 10 30 SAMYOUNG RX50V330uF SAMHWA CAP ELEC SXE25V560uF 25V 560uF 10 25 SAMYOUNG CAP ELEC RX25V560uF SRE50V1uF 50V 1uF 3 5 5 SAMHWA SAMYOUNG SE50V1uF SAMHWA CAP ELEC SMS50V22uF 50V 22uF 5511 SAMYOUNG SG50V22uF SAMHWA CAP CERAMIC CKR3A471KO6BS 1KV 471K BL SAMHWA HCYB3A471KDS SEMCO CAP CERAMIC CKR3A101K06BS 1KV 101K BL SAMHWA HCYB3A101KDS SEMCO CAP CERAMIC CCYV1H104ZF 50 1047 5 CGF1H104ZFK SAMHWA CAP MYLAR TY2A223 100V 223 SAMHWA TS1H223J 50V 223 SAMHWA CAP MYLAR 2 683
39. E 1 2203 000192 C CHIP 100nF 5 50V NPO 2012 CL21F104ZBNC SE 1 9 27 2203 000192 C CHIP 100nF 5 50V NPO 2012 CL21F104ZBNC SE 1 C30 C37 C39 C41 C46 C48 C52 C55 C58 C75 C77 C94 SE 96 99 101 103 104 109 2203 000192 C CHIP 10nF 10 50V X7R 2012 CL21F104ZBNC SE 1 C110 2203 000192 C CHIP 100nE 5 50V NPO 2012 CL21F104ZBNC SE 2203 000192 100 5 50V NP0 2012 CL21F104ZBNC 2203 000192 C CHIP 10 5 50 2012 CL21F104ZBNC SE 1 C113 2203 000192 150pF 5 50V NPO 2012 CL21F104ZBNC SE 1 136 154 156 170 172 174 176 179 C180 C184 C185 C189 C190 C195 2203 000192 C CHIP 150pF 5 50V NPO 2012 CL21F104ZBNC SE 1 199 202 339 2203 000192 150 5 50 2012 CL21F104ZBNC SE 2203 000192 150pF 5 50V NPO 2012 CL21F104ZBNC SE 2203 000192 C CHIP 150pF 5 50V NPO 2012 CL21F104ZBNC SE 1 C300 C352 C353 2203 000239 150pF 5 50V NPO 2012 CL21C101JBNC 1 C26 C203 C307 C311 2203 000260 C CHIP 150pF 5 50V NPO 2012 CL21B103KBNC 1 40 53 2203 000295 C CHIP 150pF 5 50V NPO 2012 GRM40COG100J50PT 2203 000361 150pF 5 50V NPO 2012 CL21C151JBNC Samsung Electronics 9 3 SEC CODE DESCRIPTION PART NAME VENDOR Location 2203 000429 C CHIP 18pF 5 50V NPO 2012 CL21C180B
40. Fig 6 1 11 Block Diagram of Printer shows the entire structure 5 1 5 2 HEAD DRIVER U19 U20 U23 U24 This part drives and inks inkjet head Color inkjet head drives 192 nozzles while mono inkjet head drives 208 nozzles Mono inkjet head is composed of 16 groups of 13 nozzles As to the driver that composes each noz zle 13 row 7 bit driver U23 U24 selects head address and 16 column 8 bit driver U19 U20 sends head data Head driver converts control signals from controller to 11 75V the level to be able to drive the head and provides them for the inkjet head Row Driver Circuit HD7 U23 U24 This is 13 line signal impressed to row drive IC through the output port of controller PHGA1 13 used as an address to drive the head ink cartridge Pulse period differs according to head driving frequency In 1200dpi in case of Head 12KHz mode timing period 15 2 6usec 1 1200 16 groups The signal put in each dri ver window time is active L with the biggest driver current max 100mA and output voltage 11 75V e Column Driver Circuit HD8 U19 U20 It is the fire enable pulse of real head 16 lines are put out as head driving data lines through the output port of MFP controller PHOE1 PHOE16 Enable pulse impressed to the head is put out within window time Low It has the function to move it forward or backward by the register in MFP controller Besides the output signal may differ in accordan
41. IRCUIT AC250V2A FILTER RECTIFIER gt GND BLACK 2 HALF WAVE RECTIFIER E xn GREEN START UP 6 CIRCUIT HALF WAVE CH2 SWITCHING PWM RECTIFIER 11 75V CONTROL YELLOW DEVIGE CIRCUIT m OVER VOLTAGE VOLTAGE DETECTION PROTECTION OVER CURRENT DETECTION ERROR COUPLER AMPLIFIER 5 3 2 SPECIFICATIONS OF POWER CIRCUIT 5 3 2 1 INPUT CONDITIONS 1 INPUT RATED VOLTAGE AC220 240V FREE 2 INPUT VOLTAGE TURNING 85 270 3 RATED FREOUENCY 50 60 Hz 4 FREQUENCY RANGE 47 63 Hz 5 0 5Arms 5 30 Samsung Elecironics 5 3 2 2 OUTPUT CONDITIONS 2 OUTPUT VOLTAGE 11 75V RATED OUTPUT CURRENT 0 5A 0 8 0 5 MAXIMUM LOAD CURRENT 0 8 0 76 LOAD CHANGE 0 1 0 8A 0 03 1 3A 0 05 0 264 5 3 3 POWER CIRCUIT 5 3 3 1 INPUT This product is equipped with a three wire grounding type power inlet Insulation is class 1 When a power device part breaks down or some trouble in this circuit causes a short excess current runs through a fuse and blows it to protect power devices and the system from exces
42. If U3 2 DMS is made Vcc by R42 it is set at 33 67 DP signal If it is made Vss by R43 it is set at DP signal This product is set at DP signal DP signal is made U3 27 DPn terminals This signal turns on off O1 The signal made at that time turns on off 02 which interrupts DC current on telephone line and puts out pulse signal on telephone line U3 35 CS terminals It makes Make Resistance by shorting telephone line with Vss during Make period of DP dial 5 28 Samsung Electronics 5 2 5 Line Current Detector When relay connects telephone line U3 STI9510 of LIU board and controller of the main board 015 532 6200 start communication through UART 03 of LIU board sends signal that includes infor mation of line current value whenever it receives orders or data from U15 of the main board 5 2 6 Serial Interface This part does serial communication with MFP controller of the main board MAIN PBA U15 that controls the whole system It controls LIU by giving and taking all control orders and line status U3 11 RAD Schmitt Trigger input Receiving terminal U3 29 TXD Open Drain output terminal Standard UART communication Baud Rate 9600bps Start Stop bit 1bit each Data bits 8 bit Parity bit 5 2 7 MAJOR FUNCTIONS OF PARTS 1 03 STI9510 Key part of LIU board Speech Network Dialer Ringer UART built in package 2 U5 PC817 Photo
43. MOT U22 1201 000167 IC LIN OP AMPSOP 8P KA358 KA358D T F U5 U6 1205 001285 IC LIN MODERM KS16116 QFP 100P 9600BPS KS16116 02 U21 2007 000029 R CHIP0ohm 5 1 10W RC2012J000CS R279 R282 2007 000282 R CHIP 100Kohm 5 1 10W RC2012J004CS R283 2007 000290 R CHIP 100ohm 5 1 10W RC2012J001CS R122 2007 000300 R CHIP 10Kohm 5 1 10W RC2012J003CS R268 R269 R275 2007 000300 R CHIP 10Kohm 5 1 10W RC2012J003CS R285 R300 2007 000325 R CHIP 118Kohm 5 1 10W RC2012J1183CS R273 2007 000395 R CHIP 150Kohm 5 1 10W RC2012J154CS R290 R293 R294 2007 000401 R CHIP 150ohm 5 1 10W RC2012J151CS R278 2007 000477 R CHIP 1Mohm 5 1 10W RC2012J105CS R289 R297 2007 000551 R CHIP 200hm 5 1 10W RC2012J200CS R276 2007 000565 R CHIP220Kohm 5 1 10W RC2012J224CS R286 R291 R298 2007 000671 R CHIP2Kohm 5 1 10W RC2012J202CS R183 2007 000703 R CHIP3 6Kohm 5 1 10W 2012 362 5 182 2007 000738 R CHIP30Kohm 5 1 10W 2012 303 5 296 270 2007 000791 R CHIP36 5Kohm 156 1 10W RC2012F3652CS R284 2007 000844 R CHIP 3Kohm 5 1 10W RC2012J302CS R272 2007 000872 R CHIP4 7Kohm 5 1 10W RC2012J1472CS R292 R295 2007 000920 R CHIP47 5Kohm 1 1 10W RC2012J4752CS R271 2007 001078 R CHIP 6000h
44. NC SE 1 C348 2203 000455 C CHIP 1nE576 50V NPO 2012 CL21C102JBNC SE 1 10 17 23 25 111 2203 000455 C CHIP 1nE576 50V NPO 2012 CL21C102JBNC SE 1 112 2203 000595 220 5 50 2012 CL21C221JBNC SE 1 18 20 314 315 2203 000634 C CHIP 22pF 5 50V NPO 2012 CL21C220JBNC SE 1 C21 C22 C175 2203 000634 22 5 50 2012 CL21C220JBNC SE 1 181 186 191 337 2203 000683 27 5 50 2012 CL21C270JBNC SE 1 C345 C346 2203 000818 C CHIP 33pF 5 50V NPO 2012 08055A330JATMA 338 2203 001132 680 5 50 2012 CL21C681JBNC SEM MURAI 106 2401 000032 C AL DIP 100U 50V 20 100U 50V SMSIHVBIOIMTP SEMSAMY C102 2401 000172 C AL ELEC 1000U 20 35V SHLIVVB108MTP SAMYSAMHE C95 2402 000110 C AL SMD 106M 10U 16V GPAX7mm 5mm 1005 MATSU SAMY C98 C105 C194 2402 000135 C AL SMD 226M IC 22U 16V 1 2205 50 5 115 137 2402 000168 C AL SMD 100U 16V 2076 100U 16 ECEV1CA101P MATSU SAMY C97 C114 2703 000204 INDUCTOR SMD 390uH 106 LQH4N391K04 MURAT BD6 2801 000252 CRYSTAL UNIT 30MHz 50ppm 28 A AM 20pF HC 49 U 30MHZ 20PF SUNNY Y2 BD1 BD3 BD5 BD7 BD10 BD11 3301 000362 BEAD CHIP FERRITE CORE HF50ACC322513 BD12 BD15 3301 000325 BEAD CHIP FERRITE CORE HF50ACB3225
45. OFF AUDIO AMP ON FAX LED FAX LEDON FAX LED OFF FLASH MEMORY STATUS FLASH MEMORY STA READY BUSY FM STAT CLK SEL MCLK 2 MCLK 5 1 4 4 PERIPHERAL CIRCUIT As to the power of lamp light source of the scanner module 11 75V while scanning supply and 5V while waiting supply are switched by transistor Q7 8 9 and 11 Vref is supplied with 1 5V by resistance division through OP Amp while Vref detects the peak by control of analog Mux U2 during white reference label shading It detects the peak level of image signals by dividing shad on signal and Shad rst signal of U2 into High setting it as top standard voltage When you scan some image actually it will drive shad on signals into Low to keep the peak level of the capacitor When you finish scanning it will drive Shad rst into Low and discharge electricity Image signals from CCD mounted on scan PBA in the shuttle scanner are delivered through FPC cable shift ing the level as much as 0 75V at Emitter terminal of Tr which is turned on by Level SH signal These image signals will double by an non inverting amplifier and finally 1 5V level shifted image signals will be put in Samsung Electronics 5 15 5 1 5 5 1 5 1 It drives inkjet head to print printing data received from the computer or fax data coming through the line It roughly consists of head driver head controller and the ambient temperature sensor
46. S HB BLUE 204 JB72 40244A PMO LATCH HEAD ABS HB BLK 205 6107 000015 SPRING CS 0 74 02 48 L1 206 JB70 10907A IPR DEFLECTOR GUIDE SUS304 0 2T 207 JB72 60114A PMO DAMPER NYLON 66 208 JB39 40501A CBF HARNESS FPC POLYMIDE 209 6602 001036 BELT TIMING GEAR RUBBER CR GLASS 210 7841 10504 PCB SUB PHOTO SENSOR 211 72 40935 PMO HOLDER 212 JB96 00915A ELA UNIT SCANNER 8505 300 JB97 00937A MEA FRAME BASE 8505 301 JB75 10932A MEC FRAME BASE 8505 860 302 JB72 40930A PMO FRAME BASE ABS HB BLK 303 72 40934 PMO PULLEY EXIT 304 JB73 40902A PMO RUBBER PULLEY EPDM 305 JB61 70906A SPRING RING SUS 304 WPB 0 5DIA 306 JB73 20901A REX FEED EXIT CR RUBBER BLK 307 JB72 40932A PMO ROLLER EXIT ABS HB BLK 308 JB75 10933A MEC HOLDE EXIT 8505 309 JB75 10958A MEC LEVER WHEEL 8505 310 JB70 10101A IPR WHEEL STAR SUS 304 T0 15 DIA7 0 311 JB72 40237A PMO HOLDER WHEEL POM 312 JB72 40933A PMO LEVER EXIT ABS HB BLK 313 JB61 70907A SPRING CS EXIT SUS 304 WPB 0 2DIA 314 JB72 40278C PMO HOLDER EXIT ABS GF20 HB BLK 315 JB68 10914A LABEL P REFERENCE 400 97 00944 EA FRAME HOME 705 705 401 JB72 40937A PMO FRAME HOME ABS BLK 402 JB72 40938A PMO GUIDE WIPER ABS HB BLK 403 JB73 10902A RPR RUBBER WIPE HEAD TEXIN480A 404 JB72 40939A PMO LEVER WIPER ABS HB BLK 405 JB61 70908A SPRING EX WIPER SUS 304 WPB 0
47. SA 13 10073 14410 Chip 5719510 DIP 40 STI9510 AMS JF27 60051A COIL FILTER IND RE 60UH SBT 0260T TOKIN 9 8 JG26 50001A 600 600 Transformer 100 1016 100 1016 SUNGMOON Samsung Electronics SCAN P L SEC CODE DESCRIPTION PART NAME VENDOR Location 2007 000703 R CHIP3 6Kohm 5 1 10W RC2012J362CS EM ROH 2007 000868 R CHIP4 7Kohm 1 1 10W 2012 4701 5 EM ROH 2007 001013 R CHIP51lohm 5 1 10W RC2012J510CS EM ROH R5 2007 000518 R CHIP2 7Kohm 5 1 10W RC2012J272CS EM ROH R2 2203 000192 C CHIP100nE576 50V NPO 2012 CL21F104ZBNC EM MURATA C1 C4 C6 C8 2203 000295 10 5 50 2012 40 100 50 7 AVX MURATA C5 2402 000110 C AL SMD 10uF20 16V 1 1005 MATSUSAMY C2 C3 C7 3708 001224 CONN HEADER 14P 1mm DIP 08 6232 014 007 800 ELCO CONI 1201 001052 IC LIN OP AMP SOP 8P 150MIL MC14577CFR2 MOT Ul 0605 001014 CCD MONO TCD1001P TCD1001P TOSHI U2 MONO ONLY 0605 001015 CCD COLOR UPD3700CS UPD3700CS NEC U2 COLOR ONLY JB41 10509A SMARTJET CCD PCB 2 LAYER OCD PCB Samsung Electronics 9 9 SEC CODE LAMP B D P L DESCRIPTION PART NAME VENDOR Location 4713 001047 LAMP MONO 6V BQ051 26704A ST BQ051 26704A ST STANLEY LAMP1 2 4713 001048 LAMP COLOR 6V BQ405 12020A ST BQ405 12020A ST STANLEY
48. SELECT LOW ACTIVE MCS MODEM U21 CHIP SELECT LOW ACTIVE When each CHIP SELECT is low data can be read or written DO D15 16bit data bus A17 ADDRESS BUS 18 21 reserved 5 2 Samsung Electronics 5 1 2 3 LIU Line Interface Unit SERIAL PART UART Universal Asynchronous Receiver Transmitter at KS32C6200 enables the main and LIU to transmit serial data block diagram of UART is as follows Fig 5 1 2 532 6200 2 UART channels Channel 0 RXD0 TXDO is used here and the baud rate is 9600bps IR Tx IR Rx Encoder Decoder Fig 5 1 2 UART BLOCK DIAGRAM START DO D1 D2 D3 DA 05 D6 D7 STOP RXD START 01 02 os 05 08 07 STOP START STOP IBIT EACH BAUD RATE 9600bps CPU I F SUPPORTS BOTH INTERRUPT amp POLLING DRIVEN PARITY NO Fig 5 1 3 UART DATA FORMAT Samsung Electronics 5 3 5 1 2 4 External It brings data from external device CIP1A U17 using channel 0 REQUEST sent from external device to KS32C6200 activates DMA ACKNOWLEDGE signal and drives DMA channel 0 to produce CHIP SELECT and READ STROBE at the external device and bring data from it It generates address of destination memory CHIP SELECT and WRITE STROBE WR in order to move this data into destina
49. acted part of the head 3 Check head checking circuit and dri ver Check U15 8 9 10 128 154 156 U17 23 control signals and head data Mount ink cartridge Clean it Replace the main PBA Ink low Samsung Electronics Check the amount of ink Replace ink cartridge After replacing it press ink replace ment key for over 3sec to inform the system of new ink 1 5 PROBLEM ITEMS TO BE CHECKED HOW TO SOLVE Can t copy 1 Refer to problems of scanner 2 Poor quality of printed image Print test pattern and check if nozzles have fallen out 3 Can t print Check U17 34 36 sig nals LOW ACTIVE 3 Refer to problems of scanner 1 Check contact between ink car tridge and the head Clean it 2 Check print control signals of U15 1 10 U15 158 160 U15 12 19 and U15 21 28 Check input and output signals of U19 20 23 and 24 Replace the main PBA Replace the main PBA Can t PRINT 1 Check centronics cable connection 2 Is Standby LED of the system on 3 Check how print driver has been installed 4 Check I F part of parallel port 1 Check the initial state of print con trol signal of 8 10 14 31 32 36 2 Check input and output signal U14 3 Check input and output signals of 015 43 51 015 53 61 5 Refer to 2 and 3 of 6 4 PRINGTING QUALITY 1 2 Connect it correctly Press standby key to keep
50. as it is inversely proportional to temperature by an exponential function This signal used to compensate it helps you get equal inking quality by warming the ink chamber in the cartridge with aluminum pattern heater before starting to print if the surrounding temperature is lower than standard below 35 Refer to Timing Chart It sends PRE HEAT signal through I O port of CIP1A Color Image Processor U17 and supplies 11 75V Mono Head 70 Pre Heat if below 35 c Fig 5 1 13 Temperature around Mono Head 5 18 Samsung Electronics Color Head 70 C No Pre Heating Fig 5 1 14 Temperature around Color Head HEAD DETECTION CIRCUIT Babbage ink cartridge has 8 bit mask ROM to check the type of cartridge In order to detect the head HSM signal is used as ENABLE signal and signal START amp STOP and and as clock signal of each bit and ID signal in the cartridge is put in HEAD DATA port of KS32C6200 through BS1 line With each bit controlled 8bit 1 0 data is read and STOP bit is put out of BA3 LOAD port Then it finishes If data is mono it is 07H If color 08H HSM Pwr BA3 Load BA1 Clockt BA2 Clock2 lt Min 500ns Clock Delay HEAD DATA bit7 bit6
51. carriage left and right when ink cartridge prints something on paper or shuttle scanner reads image data Motor Type Stepper motor bi polar Driving Voltage 30V Winding Resistance 60 10 Driving IC TEA3718DP X 2 CRIA1 CRIAO CURRENT mA OPERATION REMARK CRIB1 CRIBO L 490 Mono LO is being driven 670 Color draft is being driven 670 Mono draft is being driven 0 No current As shown in the above table current in each mode is adjusted by voltage of driver U25 U26 CRVREF input If the output of REF signal controlled by MFP controller U15 is low TR Q12 will be turned off and the voltage put in to CRVREF of driver U25 026 with 5V divided will go up 4 5V It becomes the standard of the driver resulting in high current If CR REF output is high TR O12 will be turned on and the volt age put in to CRVREF will go down 3 0V resulting in low current in the motor 5 24 Samsung Electronics 5 1 6 3 LF Line Feed Motor Driving Circuit LF motor is driven to feed and eject documents and paper Motor Type stepper motor bi polar Driving Voltage 30V Winding Resistance 120 10 Driving PBL3717A X 2 CURRENT mA OPERATION REMARK 670 When feeding document paper When ejecting document paper No current Samsung Electronics 5 25 5 1 7 FAX TRANSCEIVER 5 1 7 1 GENERAL This circuit processes transmission signals
52. ce with the type of head mono or color If there is data printing image is put out at If not it is put out at L In case of Babbage head pulse width is always 1 3use regardless of the type of the head with the maxi mum driving current 400mA and output voltage 11 75V 5 16 Samsung Electronics 5 1 5 3 HEAD CONTROLLER This part consists of 22V Power Controller to control head driver Fault Test Head Detection Substrate Heating and ambient Temperature Sensor It checks and controls head driver and ink cartridge FAULT TEST 1 HGA13 KS32C6200 HOE BP1 U15 3 Ink HOE16 e passa Cartridge BP16 or FAULT TEST Color OK2PRINT FAULT BIASOFF BS1 HEAD DATA HEAD EN PRE HEAT BH1 BH2 CIP 1A U17 IMAGE PROCESSOR THM DATA Fig 5 1 12 Block Diagram of Printer Samsung Electronics 5 17 22 Power Controller If you insert power cords the main board will be supplied with power POR signal put out through reset circuit activates MFP controller K32C6200 U15 and MFP controller puts out external circuit reset signal RST OUT This RST OUT signal and Vrefx 2 5V divided through 30V are impressed to the input ter minal of the comparator putting out 22V if the ou
53. ception with the computer such as uploading received fax data downloading fax data to be sent and monitoring system control signals and system conditions are carried out here BUSY nSTROBE Fig 5 1 5 Compatibility Hardware handshaking Timing Samsung Electronics 5 5 nSTROBE nAUTOFD x DATA BYTE COMMAND X Fig 5 1 6 Hardware Handshaking Timing forward nAUTOFD AR X 2 x DATA BYTE x x COMMAND BYTE AN Fig 5 1 7 ECP Hardware Handshaking Timing reverse 5 6 Samsung Electronics 5 1 2 7 INKJET CONTROLLER This part produces major control signals used to drive INKJET head It consists of signals to drive head noz zles 13 1 16 1 FAULT TEST HEAD EN and consists of signals to check the status of the head OK 2PRINT and HEAD DATA It has double height print head system 208 nozzles for mono and 192 nozzles for color and uses PHGA 13 1 PHOE 16 1 signals HEAD EN to drive these nozzles Fig 5 1 8 is timing diagram of each signal Fire Enable Timer Pulse Width Fire Pulse Width 4 PHOE Signal Ng Front End Delay Pr Heat Delay Width Fig 5 1 8 Timing Diagram to Drive Head Samsung Electronics 5 7 HEAD EN PHGA1
54. cs 10 Diagram 1 NOLLO313G NJGOW 5 LING nr NOIL VH3d3S 3NOHd 1X3 XH XL WAON 009 009 YENYOSSNVAL 5 HOSN3S H3dVd d3dVd 13GOIN 098 HOSN3S 3INOH Vad HOSN3S AS AS L AOE SdINS 815 00 2 172 anr 49 O anr 49 0 AHOINSIN HSV lH ZHINOE NOLLVH3N3O M9010 13534 NOLLVH3N3O 5990096 ww 1HOd HINO NYOS 188 ZHINOE INGZINHV 0939441 JINGONW qoo 2 MOSHO QV3H 1 QV3H LNIdd HOLON 9333 AAMC HOLOIN 0 HOSN3S 11X3 lHVd 1 ONON 10 000 140006 FINAON qoo 1HOl3H 140009 HOLON 0993 HOLON e 5 SOINOHLN3O 10 1 Samsung Electronics 11 Wiring Diagram 8 D eur YOLOW 41 U ag
55. ded View 7 5 Samsung Electronics 601 9 80201 898 41381 34 98601 9 13485 098 5088 600 869 81600 869 AHOSS3OOV VNI 009 00 91001 VL060 698 195 979 AN 13S44O 31IlHM 26601 698 098 An 13S44O 31IlHM MS 0 601 69 S0S8 fW NIVWXO8 109 Sd3 0602 698 Y T NOIHSNO l 2 gt 8 How to SMARTJET 5 ON 3009 8 1 Samsung Electronics 9 Electrical Parts Lists MAIN P L SEC CODE DESCRIPTION PART NAME VENDOR Location 0401 001003 DIODE REC MMBD6050LT1 0 2A 70V MMBD6050LT1 MOT 0402 000199 DIODE REC 100V 1A DO 213AB EGL41B GI 0403 000284 DIODE ZENER MMBZ5237B 8 2V 225mW MMBZ5237BLT1 MOT 0403 000287 DIODE ZENER MMBZ5251BL 22 MMBZ5251 MOT MATSU D1 0404 000112 DIODE REC RB420D 25V 100mA RB420DDT147 ROHM D7 D9 D10 D15 D16 0404 000112 DIODE REC RB420D 25V 100mA RB420DDT147 ROHM 0501 000279 TR SMALL KSA1182 Y PNP 150mW KSA1182 Y SEC 0501 000342 TR CHIP NPN 200mW SOT 23 KSC1623 Y SEC 0501 000415 TR SMALL KSP56 DIP PNP 625mW TO 92
56. eck power SMPS 1 Cord connection 2 Check each power channel 5V 11 75V 30V Check power Check the circuit around U16 Check data bus of U15 Exchange the main PBA LF motor does not operate 1 Check control signal of U15 141 145 2 Check driving output and input sig nal of U27 and U28 Replace the main PBA if control sig nal is not generated though the other functions of the system are normal Replace U27 and 028 if driving out put is defective though input signal is normal CR motor does not operate 1 Check control signal of U15 31 36 2 Check driving output and input sig nal of U25 and U26 Replace the main PBA if control sig nal is not generated though the other functions of the system are normal Replace 025 and 026 if driving out put is defective though input signal is normal Paper Jam Check sheet feeder and ejector Get rid of jammed paper Document Jam Check manual document feeder Remove jammed documents and insert it again No Paper 1 No paper 2 U1724 is HIGH 44V or over 1 If high replace the paper empty Feed paper sensor If low replace the main PBA No Document 1 No document 2 U15 125 is HIGH 44V or over Insert documents If high check SENI and the sur rounding circuit If low replace the main PBA No Cartridge 1 Check if ink cartridge is mounted 2 Check cont
57. ed half wave rectifier and supplies load with output voltage without separate regulation 5 3 3 8 11 75V OUTPUT TERMINAL Square wave voltage generated 53 15 rectified and smoothed by half wave rectifier and then detected voltage detector Signals compared by error amplifier are fed back to primary PWM circuit through photo coupler PWM control circuit controls the voltage of power transistor gate driver according to the voltage to supply load with stable output voltage 5 32 Samsung Electronics 5 4 5 5 4 1 SENSING CIRCUIT This circuit senses whether there is paper using photo interrupter If there is paper will cover its sensor and output P_EXIT will become High If there is paper the lever will be lifted out put will become Low Photo Interrupter i 5 4 2 HOME SENSING CIRCUIT This circuit senses whether carriage is at home or not This function is carried out when the system is turned when the head is capped Photo interrupter is used asa home detecting sensor attached to the back the carriage When the carriage moves left and right output is high if the frame rib covers the center of the sensor and low if it is out of home Photo Interrupter HOME_SEN Samsung Electronics 5 33 5 4 3 TEMP DRIVING CIRCUIT TEMP IC DC16215 Thermometer mount
58. ed the sensor card on the back of the carriage is used to read the temperature around ink cartridge This IC converts the temperature around IC package into digital and sends the temperature data to serial to make it sense the temperature around the head It senses temperature so that the temperature of the head can be the optimum when you print something The above IC sends data serially using signal lines THM DATA 5 34 Samsung Electronics 6 REPAIR 6 1 PROBLEM ITEMS TO BE CHECKED HOW TO SOLVE Black data when you scan or copy Does the lamp operate normally while shuttle module operates Check module lamp Check FPC of the main board amp module 1 lt gt CON2 1 LAMP Check the path of the main board U17 10 gt R185 1K Q8 gt R262 gt Q7 gt CON2 1 Replace module Replace the main board Bright image Check if white ref panel is too dirty Clean white ref panel Replace white ref panel Dark image 1 Is the lamp supplied with appropri ate power when the scanner oper ates 2 Does the output of module satisfy specifications 3 Does Vref value satisfy specifica tions 1 Check the lamp on level of module and the main board 11 75V 5V J1 1 lt gt 2 1 LAMP ON 2 Check video signal output of module and main board 3 Check Vref value Lamp blinks Cannot turn on the lamp Check po
59. ems water soluble flux is used Water soluble flux and solder are also good for replacing parts and repairing this prod uct Improper flux may corrode the soldered part and cause serious defects to the system 5 Be careful not to damage the circuit pattern when you disjoin soldering The pattern should be clean because there are a lot of pins close together on IC 6 Be careful not to cause a short circuit between close pins 7 Locate parts in place It has a great influence on soldering 8 Do not use repaired parts again 9 Check the soldered part 10 Defective variable resistors are not adjustable Be sure to replace them 11 After finishing the job check if there are cold sol dered parts 2 8 2 2 2 Tools to Replace Chips The following tools are used to replace chip parts iron with thin tip iron with small and flat tip solder remover ventilation device tools to lift flat parts that can be cleaned with water 0 3mm thin solder that can be cleaned with water wire to remove solder tweezers 2 2 3 Chip Resistance amp Chip Condenser 2 2 3 a Type There are the following types of chip resistance and chip condensers There the following types of thin film and chip condensers Carbon Film chip resistance e Metal Film chip resistance Chip ceramic condenser e Chip variable resistance 2 2 3 b Removal Use 2 soldering irons a Use a thin tip i
60. f chip IC 1 SOP Small Outline Package IC 2 55 Shrink Small Outline Package IC 3 VSOP Very Small Outline Package IC 4 QFP Quad Flat Package IC 5 VOFP Very Quad Flat Package IC 6 PLCC Plastic Leaded Chip Carrier IC 7 TSOP Thin Small Outline Package IC 2 2 6 b Removal 1 Use a special solder removing iron a Choose an iron tip that suits the shape and the size of IC b Use thin tip to contact legs of IC c Put the tip right in front of the legs of IC d Twist the iron carefully when solder melts e Raise and remove IC 2 10 2 Use a ventilation device a Choose an injector that suits IC b Choose the temperature and the ventilation speed normal temperature 7 speed 4 c Use IC removing tools d Preheat it for about 5 seconds with the ventila tion device And apply heat with the injector until IC can be removed from the board with IC removing tools 2 2 6 c Installation 1 Remove the remaining solder completely with sol der removing wire 2 Clean the place to be soldered 3 Apply water soluble flux 4 Put IC in place and solder the legs of opposite direction 5 Solder each leg carefully with thin tip 6 Remove solder with solder removing wire if there is a short circuit 7 Check the soldered part with a magnifier Samsung Electronics 3 Specifications 3 1 Specifications X Specification amp Features 1 Printer 1 Set Thermal Inkjet
61. gnated for inkjet m Solution 1 Use only transparent film designated for inkjet when you print on transparent film by an inkjet printer 2 Run Windows driver and select transparent film as the kind of paper if you print on Windows 6 5 Setting a PC BIOS to invoke ECP Mode SMARTJET use ECP mode of Nibble mode when SMARTJET are transferring scanned data to a PC through a centronics cable Depending upon a parallel port connection P1284 mode scan speed of our unit can vary in great deal and sometimes unexpected problems like SIO chip detection problem might come up due to a mode difference between a host PC and our unit When a PC is booting a PC BIOS initializes the SIO chip of PC in parallel port and sets the mode of parallel port But when parallel port is set in a nibble mode a SIO chip in some certain PCs prohibit PC software the twain driver from changing the mode of parallel port In order to enhance the speed of parallel port and to solve some parallel port connection problems it is strongly recommended that the service man who has encounterde these problems must set the parallel port connection P1284 mode to a ECP mode in a PC BIOS 1222272 Samsung Electronics 6 6 Defective Operation PROBLEM ITEMS TO BE CHECKED HOW TO SOLVE Ready LED won t light up 1 Power 2 5 gt 4 5V 3 15 130 POR is HIGH 4 5V over 4 U15 153 RST_OUT is HIGH 44V or over 1 Ch
62. i 1 0uF DTB SUFFIX PLASTIC PACKAGE This device contains 45 active transistors C ASE 9 48 TSSOP Differential Gian 2 R BLOCK DIAGRAM 14DIP 145 2 4 Samsung Electronics CONFIGURATION Views KM416C V10 2 00BJ KM416C V10 2 00BT 44 43 42 41 40 39 38 37 36 35 34 000 DQ1 DQ2 DQ3 004 005 007 RAS 11 A10 N C 0 A1 A2 A3 I O OQ GQ N 0 WD 1 2 Base 3 D D Samsung Electronics 2 5 OUTPUT SENSE RESISTOR PULSE TIME OUTPUTA Vs B Vs A GND Powerdip 12 2 2 GND Plastic Pack Plastic Package Vss REFERENCE RDER CODE PBL3717A 9 8 INPUT 1 INPUT Powerdip MULTIWATT 15 12 2 2 ORDERING NUMBERS ORDERING NUMBERS ORDERING NUMBER TEA3718SP TEA3718SDP TEA3718SFP TEA3718DP TEA3718SP TEA3718SFP TEA3718DP Multiwatt 15 SO 20 TEA3718SDP Powerdip 12 2 2
63. ith CN1 of the sensor board Check if the signal of the sensor is delivered well to CN1 2 of the sensor board Replace FPC cable Replace the sensor board Check connection with CON7 of the main board Replace No Paper sensor on ASF HOW TO SOLVE Automatic sheet feeder feeds paper but paper is not sup plied to the engine Check if actuator feed operates per fectly Check if paper sensing optical sensor is normal Replace actuator feed spring or other defective parts Replace the paper sensing optical sensor Automatic sheet feeder cannot feed paper Check if stopper clutch operates perfectly Check if too much paper has been supplied Check if pickup roller rubber of the automatic sheet feeder is worn out stopper clutch assembly Supply appropriate amount of paper 100 sheets of normal copying paper Replace pickup roller rubber feed envelopes Check the location of the envelope guide of automatic sheet feeder Open the envelope guide when you feed envelopes Tilted Printing 1 2 Check if paper guide of the automatic sheet feeder is adjusted to the size of paper Adjust paper guide to the size of paper Samsung Electronics 6 4 PRINTING QUALITY 6 4 1 White lines on letters or graphics Cause If nozzles in print head has a probkem white lines are marked on the print Self diagnos
64. lectronics SEC CODE DESCRIPTION PART NAME VENDOR Location 2007 000710 R CHIP 6 8Kohm 5 1 10W RC2012J682CS SEM ROHM R265 2007 000757 R CHIP 330Kohm 5 1 10W RC2012J334CS SEM ROHM R251 2007 000766 R CHIP 3000hm 5 1 10W RC2012J331CS SEM ROHMK R211 R212 2007 000814 R CHIP 39 2Kohm 1 1 8W 3216 RC3216F3922CS 222 2007 000844 R CHIP 3Kohm 5 1 10W RC2012J302CS SE 1 218 255 2007 000941 R CHIP 47Kohm 5 1 10W 2012 473 5 1 R243 R244 R338 R37 R42 R67 R68 R176 R191 192 R194 R196 R198 R213 R220 R337 2007 000784 R CHIP 34 8Kohm 1 110W RC2012F3482CS SE 1 R250 2007 000964 R CHIP 5 1Kohm 5 1 10W RC2012J512CS SE 2007 000964 R CHIP 5 1Kohm 5 1 10W RC2012J512CS SE 2007 001001 R CHIP 510ohm 5 1 10W 2012 511 5 SE T R219 R316 R327 2007 001013 R CHIP 510hm 5 1 10W 2012 510 5 SE 1 R258 R190 R320 R323 R326 R331 2007 001055 R CHIP 7500hm 5 1 10w RC2012J6222CS SE 1 217 2007 001039 R CHIP 56Kohm 5 1 10W RC2012J563CS SE 2007 001155 R CHIP 39ohm 5 1 16W L PLCC 8P RC2012J751CS SE 1 R36 2011 001094 R NETWORK 390hm 5 1 16W L PLCC 8P RP164PJ390CS SE 1 RALRA2 C54 C177 C178 C182 183 187 2203 000009 C CHIP 820pF 5 50V NPO 2012 CL21C821JBNC SE 1 188 192 193 2203 000009 C CHIP 820pF 5 50V NPO 2012 CL21C821JBNC SE 2203 000192 C CHIP 100 5 50 2012 CL21F104ZBNC S
65. ly different from the color on the screen of PC Check by self diagnostic printing if specific color ink is used up Replace color ink cartridge PC cannot check the status of the printer Check if device driver has not been installed or incorrectly installed Add Device C V Myjet to Config sys file and reboot the computer Optimize PC memory by running Memmaker Windows goes in error and the com puter gets down after a diskette is installed Samsung Electronics Check virtual memory of control panel in the basic program group Press the 386 expansion icon of control panel to change virtual memory from temporary to permanent 1 7 7 View 7 1 Exploded View Availability Minimum Location Code Part Name amp Specifications of Materials Q ty 100 JB97 00979C MEA HOU COVER FRONT 101 JB75 10940B MEC COVER FRONT 102 JB72 40952C PMO COVER FRONT HIPS VE 1870U C7425 103 JB72 40956A PMO BUTTON KEY ABS 06601 C7425 104 JB72 40970A PMO CAP BUTTON ABS 06601 75064 105 JB72 40971A PMO LENS LED PMMA IF855 CLEAR 106 JB75 10943C MEC COVER DOOR 8505 107 JB72 40953G PMO COVER DOOR HIPS VE 1870U C7425 108 JB72 40957A PMO WINDOW DOOR ABS 558C 88682 200 JB96 00912A MLA UNIT CARRIAGE 8505 201 JB72 40972A FRAME CR PC GF20 VO BLK 202 JB73 10901A RUBBER CONTACT SILICON RUBBER 203 JB72 40243A PMO CRADDLE HEAD A AB
66. m 5 1 10W RC2012J601CS R287 R288 2007 001220 R CHIP 86 6Kohm 1 1 10W RC2012F8662CS R274 R277 2203 000192 100 5 50 2012 CL21F104ZBNC 121 123 125 127 129 2203 000192 C CHIP 100nE 576 50V NPO 2012 Samsung Electronics CL21F104ZBNC C135 C138 C140 143 145 147 9 5 SEC CODE DESCRIPTION PART NAME VENDOR Location 0401 000116 C CHIP 100nF 5 50V NPO 2012 CL21F104ZBNC SEM MURAI C151 C153 C343 0407 000101 120 5 50 2012 CL21C121JBNC SEM MURAI A 141 0501 000342 C CHIP18pE576 50V NPO 2012 CL21C180JBNC SEM MURAI A 132 1001 000171 C CHIP1nE546 50V NPO 2012 CL21C102JBNC SEM MURAI A C122 C126 C130 1201 000105 C CHIP 1UF5 16V Y5V 2012 0805YG105ZATNA AVX ROHM C133 C148 1201 000167 270 5 50 2012 CL21C271JBNC SEM MURAI A C134 1205 001285 C CHID39pE576 50V NPO 2012 CL21C390JBNC URAT 131 2007 000029 68 10 25 7 2012 CL21B683KANG 139 142 2007 000282 75 5 50 2012 CL21C750JBNC URAT 150 2007 000290 C AL SMD 106M 10U 16V GD4x7mm 5mm ECEV1CA100SR 149 2007 000300 C AL SMD 106M 1V 10U 35V 10
67. nics 5 1 8 5 OPERATOR DESCRIPTION KEY amp LED DESCRIPTION When power cord is inserted the system is turned on and initialized It does not operate but waits for Ready key to be pressed If you press the Ready key the nearby Ready LED will be turned on and the device will be initialized with the system in standby mode If the Ready LED is off the system does operate though it is on Running Print Out Test Pattern Step 1 While Ready LED is off press key for 0 5 1 second with FF Stop key pressed in advance Step 2 Pattern is printed so that you can check the nozzles of the head This key is used to exchange print head cartridge in the toggle mode or to insert it for the first time If color head is mounted when fax documents to be printed it does not print but Ready LED and operating LED blink Press this key for about 3 sec or more to put in a new ink cartridge Cartridge When no paper is displayed while printing place paper and it is automatically fed FF Stop After you finish printing press this key to eject paper already fed Press this key to stop fax communication Press this key to stop scanning If you press this key when hook on and documents will be fed scanned and stored memory Start Copy If you press this key when hook on but there is no document LED meaning Feed document will blink for about
68. ning solder completely with solder removing wire De AB Samsung Electronics 2 2 4 c Installation 1 Clean the place where new parts will be installed 2 Apply water soluble flux 3 Locate a part exactly in place Be careful not to shift it 4 Stick the part fast with a soldering iron not con tacting it directly Put 0 3mm solder between the iron and the part so that it can melt into the part 5 Check the soldered part with a magnifier 2 2 5 Chip Variable Resistance Chip Variable Condenser Diode amp Transistor Chip Variable Resistance Chip Variable Condenser Diode amp Transistor 2 2 5 a Type There are the following types Chip Variable Resistance Chip Variable Condenser Diode Transistor 2 2 5 b Removal Use two soldering irons a Use an iron with small flat tip b Apply heat to both ends of a part at the same time c Remove the part with the tip of the iron while sol der melts d Remove the remaining solder completely with sol der removing wire A CM 2 9 2 2 5 Installation 1 Clean the place where new parts will installed 2 water soluble 3 Locate part exactly place careful not to shift it 4 Stick the part fast with a soldering iron not con tacting it directly Put 0 3mm solder between the iron and the part so that it can melt into the part 2 2 6 Chip IC 2 2 6 a Type There are the following types o
69. of modem and between LIU and modem This circuit is added only to SMARTJET 5 1 7 2 MODEM U21 KS16116 is a single chip fax modem It has functions of DTMF detection and DTMF signal production as well as functions of modem TX OUT is transmission output port and RX IN is received data input port POR signal controlled by MFP controller U15 KS32C6200 can initialize modem RST_OUT without turning off the system 00 D7 are 8 bit data buses 50 RS4 signals to select the register in modem decide the mode CS is a sig nal to select modem chips RD and WR signals control READ and WRITE respectively is a signal for modem interrupt Transmission speed of KS16116 is up to 9600bps 5 1 7 3 TRANSMITTER This circuit processes transmission output analog signal of modem KS16116 Output signal in each mode goes out of modem TXOUT U21 44 After D A signals are smoothed and fil tered through active filter U5 6 7 R270 R277 C130 they are buffered under OP AMP U5 2 1 R291 C139 R298 C150 and put out to LINE through LIU board 5 1 7 4 RECEIVER In the receiving mode analog signals coming in through LIU board are amplified at OP AMP U6 2 293 C141 and then transmitted to input terminal of modem RXIN U21 45 through smoothing filter U6 6 7 R273 R274 C126 FAX TRANSMISSION MODEM 1 LIU 516116 021 Fig 5 1 18 FAX TRANSCEIVER 5 26 Samsung Electro
70. onous Receiver Transmitter ECP Expended Capasilities port 8bits Data CR Carriage Return LF LINE FEED COLOR IMAGE PROCESSOR Charge Coupled Device ANALOG TO DIGITAL DIGITAL TO ANALOG Line Interface Unit Transformer Input from Transformer Receive Output Transformer Line Input Samsung Electronics 2 1 2 2 Location amp Outline of Pins of Electrical Parts LOGIC AND CONNECTION DIAGRAMS TOP VIEW J SUFFIX 732 03 E B2 B8 BA B5 H7 B8 17 16 15 14 13 11 4 20 2 1 A N SUFFIK EI e PLASTIC iz Tia m CASE 738 03 20 1 20 DIR A1 A2 A3 A4 A5 A6 A7 A8 GND DW SUFFIX SOIC CASE 751D 03 5 R2 0 6KQ R1 R E 5 89 2 1 2 Collector 3 Emitter 1 Gate 2 Drain 3 Source 1 Base 2 Emitter 3 Collector 2 2 Samsung Electronics BLOCK DIAGRAM Samsung Electronics 2 3 CONNECTIONS 1 SUFFIK PLASTIC PACKAGE CASE 626 Block Diagram Simplified Application 1 D SUFFIX PLASTIC PACKAGE CASE 751 50 8 Audio Input c
71. or Digitized Processed Data Formatted Data for DMA Dala BUS DMA i Formatted Data for DMA Control Control Data Controller fig 5 1 11 CIP1A Block Diagram Samsung Electronics 5 13 5 1 4 3 CIP1A I O Port CIRCUIT NAME DESCRIPTION START KEY FAX START COPY KEY PRESSED CART KEY CARTRIDGE CHANGE KEY PRESSED POW KEY POWER READY KEY PRESSED STOP KEY FORM FEED STOP KEY PRESSED THMST CCD LAMP OVER HEAT CCD LAMP NORMAL RINGDET RING DETECTION FROM TEL LINE HOOK OFF HOME SEN EXTERNAL PHONE PRINT HEAD PARKING EXTERNAL PHONE HOOK OFF PRINT HEAD MOVING SHAD ON SHADING ENABLE SHAD RST SHADING REFERENCE CLEAR POW LED POWER READY LEDON POWER READY LED OFF BUSY LED BUSY LEDON BUSY LED OFF SCAN LED FAX LEDON FAX LED OFF CML CTL FAX OR TEL LINE CONNECTED EXT PHONE CONNECTED LAMP 5V MODULE RETURN 5 5 14 O 12 CCD LAMP 11 75V Samsung Electronics DESCRIPTION NAME H L THM CLK CLOCK SIGNAL TO DIGITAL THERMISTER 100 140kHz THM DATA DATA DIGITAL THERMISTER PRE HEAT PRINT HEAD PREHEATING P EMPTY NO PAPER PAPER READY SPK CTL AUDIO AMP
72. ron b Keep about 280 c c Apply heat to both ends of a part at the same time d Remove it with the tip of the iron while heating e Remove the remaining solder on PCB completely with solder removing wire It should be done to install a new part Z 7 Samsung Electronics 2 2 3 Installation Clean the place where new part will located b Apply water soluble c Set a part correctly in place Prevent it from shift ing d Stick the part fast without contacting it directly with the soldering iron Put 0 3mm solder between the iron and the part so that it can melt into the part e Check the soldered part with a magnifier 2 2 4 Chip Tantalum Condenser and Chip Filter 2 2 4 a Type There are the following types of chip tantalum con denser and chip filter Chip coil Chip tantalum condenser Chip tantalum electrolysis condenser Chip aluminum electrolysis condenser Chip transformer Chip filter 2 2 4 b Remoral 1 Use a special solder removing iron a Choose an iron tip that suits the size of the part b Put the iron tip to the part to be soldered c Remove the part when solder melts d Remove the remaining solder completely with solder removing wire 2 Use two irons a Use an iron with small flat tip b Apply heat to both ends of the part at the same time c Remove the part with the tip of the iron while melting d Remove the remai
73. ronics Feature Use Ext Telephone Tx Rx Journal Delayed Dial List Report List ern Print out System Data Tel Number List Help List No Copy Yes 99 Page Gray Scale Yes Reduction Copy Enlargement Copy 4 Electrical amp Environment Power Source AC 220 240V 0 3A 50 60Hz Dimension W5D5H 422 mm 5 237 mm 5 180 mm Weight 3 7kg 5 Accessories Handset Curl Cord Tel Line Power Cord Yes Software 1 CD ROM Manual Printer Driver PC Fax Manual 1EA Ink Mono Ink Cartridge Color Ink Xerox s OCR S W and scanner editor are recommended for its own use Samsung Electronics 3 5 4 Disassembly amp Assembly 4 1 Taking Off Front Cover This section explains with illustrations how to disassemble the printer It does not explain how to assemble it because it is the very reverse of disassembly Fig 4 1 Taking Off Front Cover 1 Fig 4 1 Taking Off Front Cover 2 Disconnect power cords and printer cable from Hold the upper part of front cover with both the printer hands and lift the front cover holding Unscrew 1 screws on cover to separate ink down rear cover cartridge storage Separate front cover from rear cover the Push Guide Extension the direction of the direction of the arrow symbol arrow symbol gt Remove 2 screws between front cover and tom cover
74. s current and prevent a fire Input filter of power input terminal removes line noise flown in from outside and reduces noise which is made in power circuit and logic part and conducted or radiated through power cords AC input voltage is rectified by bridge diode of full wave rectifier is converted to DC voltage by smoothing circuit and switches the power device of this voltage As switching is in RCC Ringing Choke Converter mode switching frequency changes from about 50KHz to 100KHz PWM Pulse Width Modulation Control Circuit adjusts the duty of the switching device by sensing the change of output voltage and protects this product from excess current by receiving signals from excess cur rent detecting circuit 5 3 3 2 DRIVING CIRCUIT START UP CIRCUIT If you insert a power plug into AC outlet full wave rectified DC output voltage is generated at input elec trolysis condenser and supplied to the gate of a switching device through driving resistance This voltage dri ves the switching device Once it is driven it continues to switch via PWM control circuit with power sup plied by auxiliary coil Nb 5 3 3 3 SWITCHING CIRCUIT VOLTAGE STABILIZATION 11 75V of 2nd voltage is detected by voltage detector and feeds back through photo coupler to 1st PWM Control Circuit signals compared by error amplifier PWM Control Circuit controls the gate of power transistor according to the feedback voltage so as to supply load with stable output vol
75. tage Samsung Electronics 5 31 5 3 3 4 CIRCUIT If a short secondary load terminal short inside power device causes excess current power consump tion increases Then it increases current of power transistor The current of power transistor increases linearly when it is on This current is detected by sensing resistance and is impressed to excess voltage protective circuit of PWM control circuit through RC integration circuit where over current protection is built in If this voltage becomes bigger than Vbe of excess current control transistor the potential of power transistor gate falls immediately and it stops driving power transistor to protect it from excess current 5 3 3 5 OVP CIRCUIT OVER VOLTAGE PROTECTIVE CIRCUIT If the main power of power device 11 75V increases abnormally this excess voltage is detected by OVP detect ing circuit and 11 75V output terminal shifts to a state similar to a short If 11 75V output terminal shorts over current runs on over current detecting terminal and OCP circuit oper ates to prevent a fire in power device 5 3 3 6 5V OUTPUT TERMINAL Square wave voltage generated by Ns1 produces DC voltage rectified and smoothed by half wave rectifier This voltage put in to a three wire regulator generates stable DC power of 5V 5 3 3 7 30 OUTPUT TERMINAL Square wave voltage generated 52 15 rectified and smooth
76. te frame base Assembly first Unscrew 1 screw fixed to the back of the engine and separate frame support from the Feed Roller engine Frame Support Turn the bearing feed R the direction the arrow symbol to separate it from Bearing Feed R the main frame Fig 4 10 Separating Feed Roller Assembly Push feed roller the right to separate it from the main frame 4 11 Separating Bracket Line Feed Assembl gt Refer to 4 10 to separate feed roller Assembly b Unscrew 2 screws and separate bracket line Fig 4 11 Separating Bracket Line Feed Assembly feed Assembly Samsung Electronics 4 12 Separating Automatic Sheet Feeder Fig 4 12 Separating Automatic Sheet Feeder Separate the manual plate from frame ASF Separate the cam pickup on the right and then unscrew the right screw to separate the finger patt P Pull out the clutch and then unscrew 1 left screw to separate the clutch part Separate the guide finger from shaft pickup Push shaft pickup to the right to separate Bend plate knockup slightly and then separate it from the frame ASF Samsung Electronics 4 7 4 13 Separating LIU board Fig 4 13 Separating LIU board Refer to 4 12 to separate automatic sheet feeder from the engine Separate connector Unscrew 2 screws fixed to LIU board Separate LIU board from the engine in the direction of the arrow symbol Samsung Electronics 4
77. the stand by mode Install the print driver again and reboot the system Replace the main PBA Refer to 2 and 3 of 6 4 PRINGTING QUALITY In case PC controls Defective Transmission Reception 1 6 1 Check CON3 main PBA main LIU harness and P1 LIU PBA 2 1 Is external telephone hooked off 2 Output of U2 4 LIU PBA is LOW 3 Check HOOK OFF Line connection U17 8 CML1 is HIGH 4 Check the signals of U15 122 123 5 Check transmission path Check out put of U21 44 main PBA and input of U3 3 LIU PBA 6 Check reception path Check output of U3 40 LIU PBA and input of U21 45 main Replace defective parts 1 Hook on external telephone correctly 2 If low replace LIU PBA 3 If low replace main PBA If it is not hooked off though it is normal replace LIU PBA If the signals of U15 122 LIU_TXD are abnormal replace main PBA If the signals of U15 123 LIU are abnormal replace LIU PBA If it is abnormal replace main PBA If the output of U3 40 LIU PBA is not confirmed replace LIU PBA If the output of U3 40 LIU PBA is con firmed but the input of U21 45 main PBA is not confirmed check the circuit around U6 main Samsung Electronics PROBLEM ITEMS TO BE CHECKED HOW TO SOLVE In case you use external tele phones 1 Check CON3 main PBA main LIU harness and P1 LIU PBA 2 Output of U
78. tic printing will let you know if nozzles have problems If this line is broken it confirms that nozzles have problems EE AT d m Solution 1 Run print control panel to clean cartridge and check if nozzles have been blocked 2 Wipe with soft cloth the contact surfaces of ink cartridge and carriage and check if nozzles have been cleaned properly 3 Separate ink cartridge from carriage and combine them Repeat it about 5 to 6 times and check if con nection is proper 4 Replace ink cartridge and check whether there s a problem with thehead 5 Check if head cable is inserted well into the main circuit board and then check if nozzles have prob lems 6 Check if head cable is broken torn and then check if nozzles problems 7 Replace the main circuit board with a new one and check if nozzles have problems Samsung Electronics 1 3 6 4 2 When perpendicular lines are printed m Cause Perpendicular lines are printed crookedly if you align perpendicular lines on the printer m Solution 1 Run print control panel to align perpendicular lines and 2 Select the best one of the above samples and enter the number 3 This function to align perpendicular lines is available both for mono and color cartridges 6 4 3 When ink spreads on transparent film m Cause You selected a wrong medium on the driver or you did not use transparent film desi
79. tion memory and then stores the data P pP E D 15 0 Fig 5 1 4 EXTERNAL DMA TIMING DIAGRAM 5 4 Samsung Electronics 5 1 2 5 DRAM CONTROLLER As 532 6200 has DRAM controller in it DRAM can be connected with external memory The control mode of DRAM controller enabling EARLY WRITE NORMAL READ PAGE MODE and BYTE HALF WORD ACCESS supports EDO DRAM as well as normal DRAM DRAM READ WRITE signals are RD and WR signals used to control system buses It supports CAS BEFORE RAS for DRAM REFRESH and self refresh mode for DRAM backup Connected with common LCAS UCAS and RAS 1 0 it consists of 2 banks Though each may be connected with up to 1M 4M halfword 512 Kbytes or 2 Mbytes are connected accord ing to the model for this product 5 1 2 6 PARALLEL PORT INTERFACE This part connected with the computer through the centronics connector makes possible parallel interface with the computer Data is transmitted according to the standard of IEEE P1284 This MFP controller supports compatibility mode the traditional way to transmit print data nibble mode 401 data to upload data to the computer and duplex high speed transmission with the computer ECP Extended Capabilities Port 8bit data transmission all together It enables PC data to be printed and scanned data to be uploaded quickly to the computer Besides various data transmission and re
80. tput of the comparator is high or getting turned off if low case of FAULT TEST signal HIGH While 22V is being impressed after RST OUT is High comparator output gets low and turns off 22V driving TR TIP112 if FAULT TEST signal is put out at low when you check a short of the head driver and the ink cartridge head FAULT TEST CIRCUIT This is a signal to detect whether the head receiving the output of head column driver is in a short After FAULT TEST signal is put out at low and 22 is turned off OK2PRINT signal is entered The port of KS32C6200 U15 shows normal condition if H and a short if L If you make FAULT TEST output L to detect fault of the head 22V gets off If the head is in a short LOW when the level of FAULT TEST signal goes L and final OK2PRINT output goes L KS32C6200 U15 reads this signal and checks whether the head input receiving the driver output is in a short Diode cathode is attached to each output transistor collector in the column driver 8 anode terminals of diode become common as one and put out FAULT signal which is pulled up by bias circuit controlled by FAULT TEST and shows the condition by OK2PRINT through the comparator SUBSTRATE HEAT CIRCUIT Mono ink cartridge of Babbage head is 600dpi head that uses pigment ink It is very sensitive to the tem perature in and around the cartridge In particular the viscosity of ink affects print quality
81. wer of the lamp 12V serial connection Check the power of the lamp 12V serial connection Check scan connector on circuit board Replace FPC SCAN connecting power of the lamp Replace the scanner Check the power of the lamp Replace the scanner Connect the connector Overlapped or omit ted image when you scan or copy Check if screws of CR fixing part are loose Check if LF connector is properly connected Screw down Connect LF connector Black in whole when you scan or copy Check the scanner of the main board Check scanner cable Check the scanner Replace the main board Replace FPC SCAN Replace the scanner White lines when you scan copy Samsung Electronics Check if there is foreign substances on LABEL P REFERENCE Wipe LABEL P REFERENCE 1 1 6 2 SENSOR PROBLEM ITEMS TO BE CHECKED HOW TO SOLVE Black data when you scan copy Can t print copy with No Paper dis played Does the carriage operate normally and go to the initial place when you turn it on with the carriage placed in the middle 15 No Paper cleared when you press No Paper sensor on ASF Does the level CON7 2 turn from H to L when you press No Paper sensor on ASF 6 3 PAPER FEED PROBLEM ITEMS TO BE CHECKED Check connection between the sensor board of the carriage and the main and check if FPC cable is damaged Check if FPC is connected properly w

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