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DIGITAL LASER PRINT

CONTENTS

[The keynote of Product]

- Series Model:  ML-4550 / 4551N / 4551ND

- High speed Laser Printer:

Up to 43 ppm in A4 (45 ppm in Letter),
Duplex: 29 ipm (A4); 30 ipm (Letter)

- Resolution: Up to 1200 x 1200 dpi

- Marvell 500Mhz

- Memory: 128 MB (Max. 512 MB)

128, or 256 MB optional memory available.
Use only the Samsung-approved DIMM.
128 MB: ML-MEM150, 256 MB: ML-MEM160

- Option:

ML-4550:500-sheet trays, ethernet 10/100 Base
TX wired LAN, ethernet 10/100 Base
hard disk, duplex unit, DIMM

- Toner cartridge:

Starter: 10K or 20K pages
Consumable: 10K or 20K pages

- Duty cycle: Monthly Up to 150,000 pages

Manual

SERVICE

DIGITAL LASER PRINT
ML-4550 Series

ML-455

0

/

XEU

Basic Model : ML-4550

Содержание ML-4550 Series

Страница 1: ...ry 128 MB Max 512 MB 128 or 256 MB optional memory available Use only the Samsung approved DIMM 128 MB ML MEM150 256 MB ML MEM160 Option ML 4550 500 sheet trays ethernet 10 100 Base TX wired LAN ethernet 10 100 Base hard disk duplex unit DIMM Toner cartridge Starter 10K or 20K pages Consumable 10K or 20K pages Duty cycle Monthly Up to 150 000 pages Manual SERVICE DIGITAL LASER PRINT ML 4550 Series...

Страница 2: ...nics Co Ltd Mar 2006 Printed in Korea VERSION NO 1 00 CODE JC 0168F This service manual is a property of Samsung Electronics Co Ltd Any unauthorized use of Manual can be punished under applicable international and or domestic law ...

Страница 3: ...2 1 2 2 Specifications 2 1 2 3 Model Comparison Table 2 6 3 Summary of Product 3 1 Printer Components 3 1 3 2 System Layout 3 7 3 3 Engine H W Specifications 3 11 4 Alignment andAdjustments 4 1 How to use EDC Engine Diagnostic Control Mode 4 1 4 2 Paper Path 4 10 4 3 Sample Pattern 4 17 4 4 Periodic Defective Image 4 18 4 5 Error Messages 4 19 ...

Страница 4: ... 5 9 Main DriveAss y 5 9 5 10 DEVE DriveAss y 5 10 5 11 Connector PBA 5 11 5 12 Solenoid 5 12 5 13 Rear Cover 5 13 5 14 Cover Left 5 14 5 15 Top Cover 5 15 5 16 Open Cover 5 16 5 17 Inner Cover 5 17 5 18 FuserAss y 5 18 5 19 Duplex SolenoidAss y 5 20 5 20 Exit Roller 5 21 5 21 LSU 5 22 5 22 DC Fan 5 23 5 23 Toner Sensor PBA 5 24 5 24 REGIAss y 5 25 5 25 MP Pick UpAss y 5 26 5 26 Pick Up Feed2Assy ...

Страница 5: ...and solutions of bad environment of the software 6 22 7 Exploded Views Parts List 7 1 MainAssembly 7 2 7 2 CoverAssembly 7 3 7 3 FrameAssembly 7 4 7 4 Fuser Unit 7 6 7 5 REGIAssembly 7 7 7 6 Main MotorAssembly 7 8 7 7 Deve MotorAssembly 7 9 7 8 Exit SorenoidAssembly 7 10 7 9 CassetteAssembly 7 11 7 10 Duplex Unit 7 12 7 11 SCF Unit 7 13 8 Block diagram 8 1 System Block Diagram 8 1 9 Connection Dia...

Страница 6: ... 10 19 10 4 EMPTY board 10 20 10 5 HVPS 10 21 10 6 Panel 10 25 10 7 SCF 10 26 10 8 Toner sensor 10 29 10 9 HDD eps 10 30 11 Reference Information 11 1 Troubleshooting Tools 11 1 11 2 Acronyms andAbbreviations 11 2 11 3 Select a location for the printer 11 4 11 4 Sample Tests Patterns 11 5 ...

Страница 7: ...sembly p 7 3 7 3 Frame Assembly p 7 4 7 4 Fuser Unit p 7 6 7 5 REGI Assembly p 7 7 7 6 Main Motor Assembly p 7 8 7 7 Deve Motor Assembly p 7 9 7 8 Exit Sorenoid Assembly p 7 10 7 9 Cassette Assembly p 7 11 7 10 Duplex Unit p 7 12 7 11 SCF Unit p 7 13 7 Exploded Views and Parts List ML 4550 XEU Contents ...

Страница 8: ... Electronics 7 1 Main Assembly 0 2 1 4 3 3 1 3 2 3 3 3 5 3 4 3 6 4 1 4 2 7 8 8 1 8 2 8 3 8 4 9 9 1 9 2 9 3 10 11 12 13 14 15 16 17 18 19 36 20 20 1 20 2 20 3 21 21 1 21 2 21 3 22 22 23 25 26 29 28 31 30 30 32 34 35 SCF 37 39 2 39 1 39 Network only 24 5 6 ...

Страница 9: ...vice Manual 7 3 Samsung Electronics 7 2 Cover Assembly 0 1 2 4 5 6 6 1 6 10 6 2 6 3 6 5 6 4 6 6 6 7 6 8 6 9 6 9 7 N A ML 4551ND 7 2 7 1 1 12 1 13 1 10 1 11 1 9 1 17 1 5 1 2 1 3 1 8 1 7 1 6 1 4 1 16 1 14 1 1 1 15 1 18 3 3 3 1 3 3 2 ...

Страница 10: ...e Assembly 1 2 43 1 2 2 1 2 2 2 2 2 4 2 3 2 4 1 2 4 2 2 4 3 3 3 1 3 2 3 3 3 4 3 5 3 6 3 7 3 7 3 7 4 4 1 4 2 4 3 4 4 4 5 4 6 4 7 4 8 5 5 1 5 2 5 3 5 4 6 8 9 11 12 12 13 14 14 1 14 2 14 3 15 16 17 17 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 39 45 0 43 ...

Страница 11: ...52 53 54 59 9 59 6 58 59 10 59 11 59 8 59 60 59 4 59 5 1 59 5 2 59 5 59 7 55 56 59 1 59 2 1 59 2 2 59 2 3 59 2 59 3 57 60 1 60 2 60 5 60 3 61 62 63 64 65 66 67 68 69 70 71 72 73 76 77 78 79 80 81 82 100 83 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 49 1 49 2 49 3 49 4 49 5 60 4 49 7 49 8 49 9 49 9 49 13 49 10 49 10 49 11 49 12 60 4 49 7 47 1 47 2 47 3 47 5 47 4 60 4 60 6 60 6 1 60 6 3 60 6...

Страница 12: ...3 1 1 1 7 1 10 1 8 1 9 1 11 1 15 1 26 1 2 1 29 1 12 2 1 2 2 2 3 2 4 3 1 3 2 3 2 3 3 3 3 3 4 3 15 3 5 3 6 3 7 3 9 3 6 3 8 3 7 3 9 3 14 3 14 3 10 3 11 3 12 3 13 1 21 1 16 1 17 1 13 1 19 1 17 1 18 1 19 1 20 1 22 H 1 3 1 14 1 14 1 6 1 4 4 4 1 4 2 4 4 4 6 4 3 4 5 1 27 1 28 1 23 1 24 1 5 3 16 ...

Страница 13: ...Exploded Views Parts List Service Manual 7 7 Samsung Electronics 7 5 REGI Assembly 1 13 11 14 15 15 15 6 6 6 6 3 2 5 16 4 4 5 7 9 0 10 12 16 15 ...

Страница 14: ...Exploded Views Parts List Service Manual 7 8 Samsung Electronics 7 6 Main Motor Assembly 0 1 2 16 16 16 16 17 3 3 3 3 3 4 5 7 6 8 9 10 11 12 14 ...

Страница 15: ...Exploded Views Parts List Service Manual 7 9 Samsung Electronics 7 7 Deve Motor Assembly 0 1 2 3 4 5 6 8 8 8 7 7 9 10 ...

Страница 16: ...Exploded Views Parts List Service Manual 7 10 Samsung Electronics 7 8 Duplex Sorenoid Assembly 0 1 2 13 3 3 5 6 5 8 14 6 9 10 11 6 12 6 ...

Страница 17: ...Exploded Views Parts List Service Manual 7 11 Samsung Electronics 7 9 Cassette Assembly 0 31 26 25 24 19 20 30 32 22 1 23 16 13 17 3 4 1 11 8 12 21 1 14 15 18 9 7 10 1 6 5 2 1 27 28 ...

Страница 18: ...Exploded Views Parts List Service Manual 7 12 Samsung Electronics 7 10 Duplex Unit 0 1 5 2 3 6 7 8 16 10 11 12 13 14 15 17 18 19 20 21 22 23 33 32 30 27 26 25 26 24 4 28 30 31 20 28 29 9 ...

Страница 19: ...loded Views Parts List Service Manual 7 13 Samsung Electronics 7 11 SCF Unit 31 33 27 34 23 24 2 7 39 3 28 19 56 37 13 1 25 30 44 8 4 29 26 18 41 12 55 9 14 17 15 43 6 5 22 38 40 10 42 20 11 16 21 32 0 36 ...

Страница 20: ...1 14 JC67 00039A CAP M GEAR ML 2150 POM BLK C1013 SA 7 1 15 JC96 04066A ELA UNIT LSU ML 4550 45PPM 600DPI DU SA 7 1 16 JC96 03426A ELA UNIT EXIT SOL ML 3560 XOG SEC USA UN K3059 SA 7 1 17 JC96 03408A ELA UNIT DEVE MOTOR ML 3560 XOG SEC USA K3057 SA 7 1 18 JC96 04063A ELA UNIT MAIN ML 4550 SEC USA SA 7 1 19 JC96 04109A ELA HOU MAIN ML 4550 SEC EXPORT MAIN DIM SNA 7 1 19 1 JC92 01823A PBA MAIN CONTR...

Страница 21: ... 2 6 5 JC72 01359A PMO STRIPE ML 3560 PE BOX 7033 NATURAL T L6056 SA 7 2 6 6 JC70 20901A IEX SHAFT IDLE F UP ML 5000A SUS304 PI D2149 SA 7 2 6 7 JC72 20902A PEX ROLLER F UP 2 ML 5000A TEFLON WHT O1106 SA 7 2 6 9 JC68 01526A LABEL P JAM REMOVAL COMMON WHITE POLY SNA 7 2 7 JC63 00696B COVER M_FRAME EXIT ML 3560 ABS T2 5 W75 H1290 SA 7 2 8 JC97 02389B MEA UNIT COVER DUMMY ML 3560 SEC 110V E4061 SA 7 ...

Страница 22: ...1 2P H1256 SA 7 3 24 JC61 01581A HOUSING M_TERMINAL ML 3560 PET GF30 FR5 SNA 7 3 25 JC65 00013A TERMINAL P FUSER ML 3560 C5210P ZINC COA K4277 SA 7 3 26 JC39 00456A CBF HARNESS FUSER ML 3560 CBF UL 3122 2P H1249 SA 7 3 27 JC67 00099A CAP M HOUS_TERM ML 3560 PC NH1035P 1 5 9 SNA 7 3 28 JC63 01132A SHIELD CTRL ML 4550 SECC T0 6 W195 4 L18 SA 7 3 29 JC63 00677A GROUND P MOTOR_DEVE ML 3560 C5210P T0 2...

Страница 23: ... 59 JC96 03422A ELA UNIT PICK UP ML 3560 XEROX 110V 22 K3141 SA 7 3 59 1 JC66 00910A SHAFT PICK UP ML 3560 SUM22 NI 196 6 S4118 SA 7 3 59 2 JC97 02233A MEA UNIT P UP_HOUSING ML 3560 XEROX 11 G0471 SA 7 3 59 2 1 JC72 01361A PMO M IDLE PICK UP ML 3560 POM NTR 29 8 L6039 SA 7 3 59 2 2 JC61 01238A HOUSING M PICK UP ML 3560 ABS 2 0 28 8 5 SNA 7 3 59 2 3 JC73 00223A RUBBER PICK_UP ML 3560 IR 29 35 28 YE...

Страница 24: ...4397 SA 7 4 1 15 6003 000264 SCREW TAPTITE PWH B M3 L6 ZPC YEL S SNA 7 4 1 15 6003 000269 SCREW TAPTITE BH S M3 L6 ZPC YEL SW SA 7 4 1 15 6003 000301 SCREW TAPTITE BH S M4 L6 ZPC YEL SWRC SNA 7 4 1 15 6003 001256 SCREW TAPTITE BH B M4 L10 NI PLT SWRCH SNA 7 4 1 15 6003 000266 SCREW TAPTITE PWH S M3 L6 ZPC YEL SWR SNA 7 4 1 15 6003 000282 SCREW TAPTITE BH B M3 L8 ZPC BLK SW SA 7 4 1 16 JC66 01268B ...

Страница 25: ... SNA 7 6 12 JC66 00873A GEAR M RDCN MP ML 3560 POM 0 8 19 28 W SNA 7 6 14 JC66 00863A GEAR M PICK UP DRV ML 3560 POM 0 8 34 SNA 7 7 1 JC31 00039A MOTOR DC BLDC DEVE ML 3560 2 0A MAX B5012 SA 7 7 2 JC61 01201A BRACKET P DEVE ML 3560 SECC 1 2 126 5 73 SNA 7 7 3 JC61 01203A BRACKET P SWING ML 3560 SECC 1 0 27 0 42 SNA 7 7 4 JC66 00915A SHAFT SWING DEVE ML 3560 SUM24L NI 20 6 SNA 7 7 5 JC66 00871A GEA...

Страница 26: ...I PLT SWRCH18A SA N A 6002 000440 SCREW TAPPING PWH 2 M3 L8 ZPC BLK S SA N A 6006 001193 SCREW MACHINE WSP PH M3 10 ZPC YEL SW SNA N A 6021 001194 NUT SQUARE M3 PASS SWCH ZN COATING SQU SNA N A 6902 000288 BAG PE T0 05 W250 L450 TRP 8 2 SNA N A 6902 000321 BAG PE T0 015 W800 L1300 TRP 28 6 M Type SNA N A JB39 00017A CBF HARNESS EARTH TX MOTOR SF 3100 CBF SA N A JB68 00916A LABEL RATING BLANK SF 34...

Страница 27: ...N A JC72 00995A PMO STACKER LOCKER ML 2150 PC 0810P L6053 SA N A JC73 00141A RPR PAD CASSETTE ML 1510 URETHANE SPONGE R0020 SA N A JC96 01579A ELA HOU MOTOR GND SF 5100 HANSUNG 100Moh Z2265 SA N A JC96 01730B ELA UNIT HOLDER_TR_L ML 4550 SEC SA N A JC96 03931A ELA UNIT DEVE KIT ML 4550 SAMSUNG 10K SNA N A JC96 04120A ELA UNIT CHECK_SENSOR ML 4550 SEC 110V SA N A JC97 02388B MEA UNIT COVER RIGHT ML...

Страница 28: ... 8 SNA N A JC61 00034A SPRING ETC ARM R ML 6060 SWP B 8 SNA N A JC61 00658A GUIDE M DUPLEX ML 2150 PC CLEAR G2059 SA N A JC61 01187A BRACKET P DEV LOWER ML 3560 SECC T0 8 24 SNA N A JC61 01188A BRACKET P COUPLER ML 3560 SPCC NI 1 2T 1 SNA N A JC61 01194A PLATE M DEV R ML 3560 ABS T2 20 9 54 69 SNA N A JC61 01196A HOLDER DEV ML 3560 LDPE 2 8 317 RED SNA N A JC61 01689A FRAME M DEV CLEAN ML 4550 ABS...

Страница 29: ... A JC69 00987A PAD FRICTION ML 2571N NBB T1 0 W8 5 L29 O1093 SA N A JC70 00314A IPR PLATE PAD ML 1710 SUS304 CSP 0 1 P0009 SA N A JC70 40912A ICT SHAFT HV LARGE ML 5000A SWCH18A 4 O1100 SA N A JC72 00398A PPR FILM OPC ML 6060 URETHANE NTR 0 2T SNA N A JC72 01302A PMO M FLEXIBLE COUPLE SCX 6320F POM M90 SNA N A JC72 01390A SPONGE REGI_PLATE ML 4550 POLYURETHANE F SA N A JC73 00046A RPR SEAL CLEAN L...

Страница 30: ...801 003070 IC CMOS LOGIC 74ALVCH162260 D TYPE LATCH SNA N A 0803 003263 IC CMOS LOGIC 74LCX07 HEX BUFFER SOIC 14 SA N A 0902 001984 IC MICROPROCESSOR 88F5181 500MHz HSBGA 4 SA N A 1003 001922 IC CLOCK DRIVER ICS97ULP844A BGA 28P 4 0 SNA N A 1003 001926 IC CLOCK DRIVER ICS445R 36LF SSOP 20P 8 SNA N A 1006 001151 IC LINE TRANSCEIVER 90LV019 SOP 14P 157M SA N A 1006 001224 IC LINE TRANSCEIVER 74LVX16...

Страница 31: ...Kohm 1 1 10W TP 1608 SA N A 2007 007239 R CHIP 31 6Kohm 1 1 10W TP 1608 SNA N A 2007 007445 R CHIP 9 09Kohm 1 1 10W TP 1608 SA N A 2007 007521 R CHIP 14 7Kohm 1 1 10W TP 1608 SA N A 2007 007839 R CHIP 53 6Kohm 1 1 10W TP 1608 SNA N A 2007 007878 R CHIP 5 62Kohm 1 1 10W TP 1608 SA N A 2007 008596 R CHIP 0 1ohm 1 1 4W TP 3216 SA N A 2011 000002 R NET 22ohm 5 1 16W L CHIP 8P TP 3216 SA N A 2011 00081...

Страница 32: ...ARNESS PLA_COVER SCX 5530FN CBF UL1 Z4337 SA N A JC41 00175A PCB PTL1 B D ML 2150 FR 1 1LAYER 1 6T SNA N A JC41 00288A PCB COVEROPEN ML 3560 FR 1 1LAYER 1 6T SNA N A JC41 00289A PCB JOINT B D ML 3560 FR 1 1LAYER 1 6T SNA N A JC41 00307A PCB FEED ML 3560 FR 1 1LAYER 1 6T 11X2 SNA N A JC41 00308A PCB EXIT ML 3560 FR 1 1LAYER 1 6T 45X1 SNA N A JC41 00352A PCB MAIN ML 4550 FR 4 6L 1 6T 174 2X19 SNA N ...

Страница 33: ...HB SNA N A JC72 00509A PMO HOLDER HANDLE ML 6060 HIPS BLK H SNA N A JC72 10008A PPR FILM_HOPPER ML 80 PP PE SNA N A JC72 40332A PMO BUSHING_CHARGE ML 80 POM BLK HB SNA N A JC73 00225A RUBBER IDLE ML 3560 EP NR D 26 8 30 6 5 C4023 SA N A JC73 40906A RMO SEAL AGITATOR ML 5000 SANTOPRENE SNA N A JC94 00288A PHANTOM AU JC92 01336A SNA N A JC94 01197A PHANTOM AU JC92 01826A SNA N A JC94 01199A PHANTOM ...

Страница 34: ...OFL4036 M1 Z49 SNA N A JC67 00184A CAP END ML 4550 PPS OFL4036 t2 D38 0 18 SNA N A JC67 00185A CAP CARBON BRUSH ML 4550 PET GF30 FR530 SNA N A JC71 00057A ELECTRODE P FU_R_08 ML 3560 T0 8 20 2 32 SNA N A JC72 01353A PMO M AGITATOR ML 3560 ABS BLK 223 6 SNA N A JC72 41050A PMO BUSHING AGITATOR ML 7000 POM M90 44 SA N A JC73 40902A RMO SEAL AGITATOR ML 7000 SANTOPRENE 9 4 SA N A JC96 03655A ELA UNIT...

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