Samsung ML-6050 Dokumentacja

SERVICELASER PRINTERML-6050QwikLaser 6050LASER PRINTER CONTENTS1. Precautions2. Specifications3. Reference Information4. Disassembly and Reassembly 5.

Samsung Electronics 8-9Schematic DiagramsController Diagram(3/10)(H)(L)VCC(L)(H)45674F32U34-21921D3D42426D5D62830D7D81618D9OE*1444RESET*1RY_BY*23VCC13

Samsung Electronics 5-35TroubleshootingError code 3-030FaultDescription• The PAPER lamp on the operator panel is on even when paper is loaded in the c

5-36 Samsung ElectronicsTroubleshootingError code 3-040/3-041FaultDescription• The ERROR lamp is on even when the printer cover is closed.• The ERROR

Samsung Electronics 5-37TroubleshootingError code 3-050FaultDescriptionWhen printer power is on, all lamps on the operator panel blink.All Lamps Blink

5-38 Samsung ElectronicsTroubleshootingError code 3-060FaultDescriptionWhen printing, error message is printed out.Memory OverflowModel ML-xxxxChe

Samsung Electronics 5-39TroubleshootingError code 3-080FaultDescriptionMain motor is not driving when printing, and paper does not feed into the print

5-40 Samsung ElectronicsTroubleshootingError code 3-090FaultDescriptionWhile operating, ear-splitting noise occurs.Ear-splitting noise or allophoneMod

Samsung Electronics 5-41TroubleshootingError code 3-100FaultDescriptionWhen system power is turned on, all lamps on the operator panel do not come on.

5-42 Samsung ElectronicsTroubleshootingError code 3-110FaultDescriptionWhen printing, vertical line gets curved.Vertical line getting curvedModel

Samsung Electronics 5-43TroubleshootingFaultDescriptionWhen turning on, all LEDs are continuously on.All LEDs OnModel ML-xxxxCheckFuser, LSU, Engi

5-44 Samsung ElectronicsTroubleshootingFaultDescriptionWhen printing, image is irregular.JitterModel ML-xxxxCheckLSU, Motor bracketCause1. LSU hex

Schematic Diagrams8-10 Samsung ElectronicsController Diagram(4/10)100PF1KR14022PFC1660.1UFC177C176FS741U294LF6MODOUT_RS1OSCIN12OSCOUTREFOUT_RS07REF_OF

Samsung Electronics 4-14. Disassembly and Reassembly4-1. General Precautions on DisassemblyWhen you disassemble and reassemble components, you must us

Disassembly and Reassembly4-2Samsung Electronics4-2. Transfer Roller1. Press the cover open switch and raise the printercover.3. Pull the roller sligh

Disassembly and ReassemblySamsung Electronics 4-34-3. Controller Board1. Remove the cover located at the right side of theprinter.2. Remove one screw.

Disassembly and Reassembly4-4Samsung Electronics4-4. Panel Board1. Press the cover open switch and raise the printercover.2. Remove the panel cap.3. U

Disassembly and ReassemblySamsung Electronics 4-54-5. Pickup Assembly1. Turn the printer over. Remove three screws fromthe left base bracket, and tak

Disassembly and Reassembly4-6Samsung Electronics4-6. Main Cover1. Before you remove the cover, you should remove:-Controller Board (see page 4-3)2. R

Disassembly and ReassemblySamsung Electronics 4-76. Unlatch the front ends of the cover. 7. Slide the main cover upward, out of printer. Note that the

Disassembly and Reassembly4-8Samsung Electronics4-8. Exit Assembly1. Before you remove the exit assembly, you shouldremove:-Controller Board (see pag

Disassembly and ReassemblySamsung Electronics 4-94-9. Drive Assembly and Fan1. Before you remove the drive assembly or fan, youshould remove:-Controll

Disassembly and Reassembly4-10Samsung Electronics4-10. Fuser1. Before you remove the fuser, you should remove:-Controller Board (see page 4-3)-Main C

Samsung Electronics 8-11Schematic DiagramsController Diagram(5/10)C557C6 C789C8 C9106 GND1GND216C128100PFU3374F1071C1111C10 C1112 13C12 C1314 15C14 C1

Disassembly and ReassemblySamsung Electronics 4-11To remove the thermostat from the fuser assembly :Remove two screws, and take the thermostat out.The

Disassembly and Reassembly4-12Samsung Electronics4-11. Engine Board and Miscellaneous1. Before you remove the engine board, you shouldremove:-Controll

Disassembly and ReassemblySamsung Electronics 4-137. Remove six screws securing the PCU shield. 9. Unplug all connectors from the PCU shield, andremov

Disassembly and Reassembly4-14Samsung ElectronicsTo replace the SCF connector :Remove two screws and take it out.To replace the paper empty sensor :Ta

Disassembly and ReassemblySamsung Electronics 4-15To replace the actuator :1. Turn the mechanism back and push down thepoints as shown to unlatch the

Disassembly and Reassembly4-16Samsung ElectronicsTo replace the transfer roller bushings (left and right) :Release each tab latching the left and righ

Disassembly and ReassemblySamsung Electronics 4-174-12. ROM1. Press the cover open switch and raise the printercover.2. Remove the ROM cover.3. Replac

Disassembly and Reassembly4-18Samsung ElectronicsMemoDownload Service Manual And Resetter Printer at http://printer1.blogspot.com

MLE-600012PPM (A4 Size, 5% Character Pattern)True 600 x 600 dpiLaser Diode (LSU:Laser Scanner Unit)Non-impact ElectrophotographyCassette & Manual,

Specifications2-2Samsung ElectronicsStand by : Less than 36dB, Operating : Less than 49dBPrint Cartridge150,000 sheetsTemperature : 10~30°C, Humidity

Schematic Diagrams8-12 Samsung ElectronicsController Diagram(6/10)(N.A)VCC1000PFC351 C3521000PFB113VCC100R27433UF/16VB1141000PF470PFC346C340C344470PF4

Abbr Definition Abbr Definitionampsass’ybadac bpsCBUSYCCLKclkcmCMSGCONDSEBUSYEMSGExitpapGNDHLDAhldarHLDRHORHSYNCI/OinINTINTAINTRlb.LDONlinlockLreadyAD

Reference Information3-2Samsung ElectronicsAbbr Definition Abbr DefinitionBIOSBPSCMOSCPUDCUDMADMACDOSDPI DRAMDVMEEPROMICUBasic Input/Output SystemBits

Reference InformationSamsung Electronics 3-33-2-2. Tools for Chip ReplacementThe tools for chip replacement are as follows:· Thin tip type soldering i

Reference Information3-4Samsung ElectronicsINSTALLING1. Clean the area where the new part is to be mount-ed.2. Apply a water soluble flux.3. Set part

Reference InformationSamsung Electronics 3-53-3. Recommended Test EquipmentSamsung recommends the following equipment when servicing the Laser Printer

Reference Information3-6Samsung Electronics3-4. DCU Control3-4-1. DCU Setup1) Connect DCU to Controller Board Connector J6 (4 pins) or Engine Board CN

Reference InformationSamsung Electronics 3-73-4-3. DCU Error Status CodeDCU error code will indicate malfunction area of the machine.60626864707172739

Reference Information3-8Samsung ElectronicsMemoDownload Service Manual And Resetter Printer at http://printer1.blogspot.com

Samsung Electronics 1-11. Precautions1-1. Safety PrecautionsRead each caution carefully:1. Do not use this printer near water or when exposedto inclem

Precautions1-2Samsung Electronics1-2. Servicing Precautions1. Before disassembly, pull the power plug from the ACpower connector.2. To avoid spilling

Samsung Electronics 8-13Schematic DiagramsController Diagram(7/10)U35-374F1456(N.A)0180R120C1840.1UF1NFC146R291U35-474F1498VCC0.1UFC460R123VCCCONN4J81

©Samsung Electronics Co., Ltd. Mar. 1999Printed in KoreaP/N. JC68-00072A Rev.1.00ELECTRONICSDownload Service Manual And Resetter Printer at http://pri

Schematic Diagrams8-14 Samsung ElectronicsController Diagram(8/10)D3DIODE_3P1322DIODE_3PD213233PFC307VCCVCCR1770D1DIODE_3P13R165 33R17800.1UFC322B2C30

Samsung Electronics 8-15Schematic DiagramsController Diagram(9/10)Multi Function Image ProcessorHYPER BLOCK47PFC11368PFC306100PFC320C420.1UF0.1UFC3580

Schematic Diagrams8-16 Samsung ElectronicsController Diagram(10/10)100PFC702U70074F321231415161718192203456789CONN20J10110111213VCC100PFC704U70074F324

Schematic Diagrams8-17 Samsung Electronics8-4. Flash SIMMDownload Service Manual And Resetter Printer at http://printer1.blogspot.com

Samsung Electronics 8-18Schematic DiagramsMP_PAPERFAN_EMP_CLUTCHNOT USED123+5VFB1BDCORE2WR20.3350VC5330PFDIODE_3PD1+24V1/8R1115K+24VR61K5.6KR131/8R456

Samsung Electronics8-1. Engine Controller (1/6)Samsung Electronics 8-1VCCRA33RA11234567818PFC7045678RA12RA3312345678RA1012345678RA33RA9123C7718PFC1600

Schematic Diagrams8-19 Samsung ElectronicsLD18SR3312-VSR3312-VLD10LD9SR3312-VSR3312-VLD12LD11SR3312-VLD15SR3312-VSR3312-VLD14LD17SR3312-VSR3312-VLD16L

Electrical Parts ListsSamsung Electronics 7-17. Electrical Parts Lists7-1. Engine PBA7-1-1. Engine PBA (ML-6050 : 110V)SEC. Code Location No. Descript

Electrical Parts Lists7-2 Samsung ElectronicsSEC. Code Location No. Description Spec2001-000005 R221, R231 R-CARBON 390OHM, 5%, 1/8W, AA, TP, -2001-00

Electrical Parts ListsSamsung Electronics 7-3SEC. Code Location No. Description2001-000734 R251 R-CARBON 4.7KOHM, 5%, 1/8W, AA, TP, -2001-000761 R218

Electrical Parts Lists7-4 Samsung ElectronicsSEC. Code Location No. Description2004-001357 R515 R-METAL 93.1Kohm, 1%, 1/8W, AA, TP, 1.8x3.22004-002001

Electrical Parts ListsSamsung Electronics 7-5SEC. Code Location No. Description2401-001700 C153, C154, C155 C-AL 470uF, 20%, 10V, -, -, 10x12.5, -2401

Electrical Parts Lists7-6 Samsung ElectronicsSEC. Code Location No. DescriptionJC39-40511A JP29, JP30, JP31, JP216, CBF HARNESS-ML-80, JUMPER, AWG22,

Electrical Parts ListsSamsung Electronics 7-7SEC. Code Location No. Description2009-001082 R280 R-METAL GLAZE 30Mohm, 2%, 2W, -, BK, 30x8.5mm2009-0010

Electrical Parts Lists7-8 Samsung ElectronicsSEC. Code Location No. DescriptionJC27-60101C L151 COIL FILTER- -, 6UH, -, -JC27-60502A L101 COIL FILTER-

Electrical Parts ListsSamsung Electronics 7-9SEC. Code Location No. Description SpecJC92-01051A ENGINE (220V)0201-000008 - ADHESIVE-HM PP_#3748,WHT,65

Schematic Diagrams8-2 Samsung ElectronicsEngine Controller (2/6)12123SLCON3P-TONERCN103123+5VCN10SLCON2P-FAN1NFC3150VJS5CN7SLCON3P-CLN243456789+24V0.5

Electrical Parts Lists7-10 Samsung ElectronicsSEC. Code Location No. Description2001-000012 R236 R-CARBON 680KOHM, 5%, 1/8W, AA, TP, -2001-000015 R62

Electrical Parts ListsSamsung Electronics 7-11SEC. Code Location No. Description2001-000786 R54, R223, R224, R227 R-CARBON 47KOHM, 5%, 1/8W, AA, TP, -

Electrical Parts Lists7-12 Samsung ElectronicsSEC. Code Location No. Description2005-000168 R114 R-WIRE WOUND, NON 0.22ohm, 5%, 2W, AA, BK, 4x12mm2009

Electrical Parts ListsSamsung Electronics 7-13SEC. Code Location No. Description2902-001011 BD103, BD151, BD152 FILTER-LINE -, -, -3301-000344 FB1, FB

Electrical Parts Lists7-14 Samsung ElectronicsSEC. Code Location No. DescriptionJC39-40511A JP33, JP34, JP35, JP36, JP37, CBF HARNESS-ML-80, JUMPER,

Electrical Parts ListsSamsung Electronics 7-15SEC. Code Location No. Description2009-001085 R201 R-METAL GLAZE 10Mohm, 3%, 1/2W, CM, BK, 18x4mm2103-00

Electrical Parts Lists7-16 Samsung ElectronicsSEC. Code Location No. DescriptionJC33-10501B - SOLENOID-6000 ML-6000, 24VDC, 72W, 57, 39X39X22, JC70-10

Electrical Parts ListsSamsung Electronics 7-17SEC. Code Location No. DescriptionJC92-01089A Controller0803-000117 U35 IC-TTL 74F14, INVERTER, SOP, 14P

Electrical Parts Lists7-18 Samsung ElectronicsSEC. Code Location No. Description2007-000964 R113, R264 R-CHIP 5.1KOHM, 5%, 1/10W, DA, TP, 20122007-001

Electrical Parts ListsSamsung Electronics 7-19SEC. Code Location No. Description2203-000938 C345, C346, C347 C-CERAMIC, CHIP 470pF, 5%, 50V, NPO, TP,

Samsung Electronics 8-3Schematic DiagramsEngine Controller (3/6)+5VNOT USED50VC227100NFKSD526Q201BCE50VC209100NF1/8R22447K100NFC22650V+18V1/8R23486.6K

Electrical Parts Lists7-20 Samsung ElectronicsSEC. Code Location No. DescriptionJC92-01089B Controller0803-000117 U35 IC-TTL 74F14, INVERTER, SOP, 14P

Electrical Parts ListsSamsung Electronics 7-21SEC. Code Location No. Description2007-000781 R128, R142, R144 R-CHIP 33OHM, 5%, 1/10W, DA, TP, 20122007

Electrical Parts Lists7-22 Samsung ElectronicsSEC. Code Location No. Description2203-000595 C301 C-CERAMIC, CHIP 220pF, 5%, 50V, NPO, TP, 2012, -2203-

Electrical Parts ListsSamsung Electronics 7-23SEC. Code Location No. DescriptionJC92-00346A BPA-PANEL0601-000161 LED1 LED ROUND,GRN,5mm,563nm0601-0002

Samsung Electronics 6-16. Exploded Views and Parts Lists 6-1. Main Exploded View 6-2. Cover Exploded View6-3. Frame Exploded View6-4. Fuser Exploded V

Exploded Views and Parts Lists6-2Samsung Electronics6-1. Main Exploded View4158679 3 11121321410Download Service Manual And Resetter Printer at h

Exploded Views and Parts ListsSamsung Electronics 6-3Main Parts ListsLocation No. Description SEC. Code Q'ty Remark1 MEA RACK-FEEDER CAS JC97-01

Exploded Views and Parts Lists6-4Samsung Electronics6-2. Cover Exploded View65202122232412318171482512910111944771316151210Download Service Manual And

Exploded Views and Parts ListsSamsung Electronics 6-5Cover Parts ListsLocation No. Description SEC. Code Q'ty Remark0 ELA HOU-CVR_MAIN JC96-0136

Exploded Views and Parts Lists6-6Samsung Electronics6-3. Frame Exploded View9556 18151413-21317IIII624-5336324824-4IV21192222-12625-222-222-222-322-4I

Schematic Diagrams8-4 Samsung ElectronicsEngine Controller (4/6)MLC AXIAL+5VMLC AXIALMLC AXIAL500VC1010NF50VC431NF50VC37100NF1/8R374.3K+5VD41N41481/8R

Exploded Views and Parts ListsSamsung Electronics 6-7Frame Parts ListsLocation No. Description SEC. Code Q'ty Remark0 ELA HOU-FRAME (12) JC96-01

Exploded Views and Parts Lists6-8Samsung ElectronicsLocation No. Description SEC. Code Q'ty Remark24 HEA RACK-HOU EXIT JC97-01104A 1 O24-1 GEAR-

Exploded Views and Parts ListsSamsung Electronics 6-9Location No. Description SEC. Code Q'ty Remark51 HOLDER-ACTUATOR JC72-41289A 1 O52 PBA MAIN

Exploded Views and Parts Lists6-10Samsung Electronics6-4. Fuser Exploded View527222422212222019181514121316172523293457891011226262123312860Download S

Exploded Views and Parts ListsSamsung Electronics 6-11Fuser Parts ListsLocation No. Description SEC. Code Q'ty Remark0 ELA HOU-FUSER(110V) JC96-

Exploded Views and Parts Lists6-12Samsung Electronics6-5. Motor Exploded View1121110798342256130 Download Service Manual And Resetter Printer at http:

Exploded Views and Parts ListsSamsung Electronics 6-13Motor Parts ListsLocation No. Description SEC. Code Q'ty Remark0 ELA HOU-MOTOR MAIN JC96-0

Exploded Views and Parts Lists6-14Samsung Electronics6-6. Pick-Up Exploded View1224331318891022564232571112132322141719 1516171521200Download Service

Exploded Views and Parts ListsSamsung Electronics 6-15Pick-Up Parts ListsLocation No. Description SEC. Code Q'ty Remark0 MEA RACK-FEEDER JC97-01

Exploded Views and Parts Lists6-16Samsung Electronics6-7. Cassette Exploded View221941820213216789111412171051615201323QwikLaser6050ML-60500Download S

Samsung Electronics 8-5Schematic DiagramsEngine Controller (5/6)ESJA58-06D206Q202KSD526BCE1.8KR2741/82.2KR2501/8U201-2LM324Q07Q156Q2309KR5111/8LM324U2

Exploded Views and Parts ListsSamsung Electronics 6-17Cassette Parts ListsLocation No. Description SEC. Code Q'ty Remark0 MEA RACK-FEEDER CAS JC

Exploded Views and Parts Lists6-18Samsung Electronics6-8. Second Cassette Exploded View12345789 1011121314222361516241917212061825QwikLaser6050ML-6050

Exploded Views and Parts ListsSamsung Electronics 6-19Second Cassette Parts ListsLocation No. Description SEC. Code Q'ty Remark0 MEA RACK-CAST.S

Exploded Views and Parts Lists6-20Samsung Electronics6-9. Second Cassette Frame Exploded View303323293283338343536374042431141443443231464748412345638

Exploded Views and Parts ListsSamsung Electronics 6-21Second Cassette Frame Parts ListsLocation No. Description SEC. Code Q'ty Remark0 ELA HOU-S

Exploded Views and Parts Lists6-22Samsung ElectronicsLocation No. Description SEC. Code Q'ty Remark38 MACHINE SCREW 6001-001532 2 X39 FRAME LOWE

Samsung Electronics 5-15. TroubleshootingError code 1-010FaultDescriptionBlack vertical stripes occur in the printing.Black vertical stripesModel

5-2 Samsung ElectronicsTroubleshootingError code 1-020FaultDescriptionWhite vertical voids in the image.White vertical stripesModel ML-xxxxCheck1.

5-3Samsung ElectronicsTroubleshootingError code 1-030FaultDescriptionDark or blurry horizontal stripes occur in the printing periodically.Black horizo

5-4 Samsung ElectronicsTroubleshootingError code 1-040FaultDescriptionDark or blurry black or white spots occur periodically. Black or white spotsMode

Schematic Diagrams8-6 Samsung ElectronicsEngine Controller (6/6)220UF,200V5LOCATIONNOR106,R1070.1OHM,2WR114T101250V/T5AF15189107SMPS[V1]6125V/8A125V/5

5-5Samsung ElectronicsTroubleshootingError code 1-050FaultDescriptionThe printed image is light, with no ghost.Light image (1)Model ML-xxxxCheckD

5-6 Samsung ElectronicsTroubleshootingError code 1-051FaultDescriptionThe printed image is light, with no ghost.Light image (2)Model ML-xxxxCheck

5-7Samsung ElectronicsTroubleshootingError code 1-052FaultDescriptionThe printed image is light, with no ghost.Light image (3)Model ML-xxxxCheck1

5-8 Samsung ElectronicsTroubleshootingError code 1-060FaultDescriptionThe printed image is dark. Dark image (1)Model ML-xxxxCheckEngine boardCaus

5-9Samsung ElectronicsTroubleshootingError code 1-061FaultDescriptionThe printed image is dark.Dark image (2)Model ML-xxxxCheckEngine boardCause1

5-10 Samsung ElectronicsTroubleshootingError code 1-062FaultDescriptionThe printed image is dark.Dark image (3)Model ML-xxxxCheckEngine boardCaus

Samsung Electronics 5-11TroubleshootingError code 1-070FaultDescriptionPrint density is uneven between left and right. Uneven densityModel ML-xxxx

5-12 Samsung ElectronicsTroubleshootingError code 1-080FaultDescriptionBackground appears in the printing.Background Model ML-xxxxCheck1. Engine b

Samsung Electronics 5-13TroubleshootingError code 1-090FaultDescriptionGhost occurs at 94 mm intervals.Ghost (1)Model ML-xxxxCheck1. Developer car

5-14 Samsung ElectronicsTroubleshootingError code 1-090-1FaultDescriptionGhost occurs at 94 mm intervals.Ghost (2)Model ML-xxxxCheckOperating envi

Samsung Electronics 8-7Schematic DiagramsVCCRA33RA11234567818PFC7045678RA12RA3312345678RA1012345678RA33RA9123C7718PFC1600.1UFRA3312345678R1301KRA33RA6

Samsung Electronics 5-15TroubleshootingError code 1-091FaultDescriptionWhen xerographic paper is used in ADF, ghost occurs at 94 mm intervals.Ghost (3

5-16 Samsung ElectronicsTroubleshootingError code 1-093FaultDescriptionWhen printing on card stock or transparencies using manual feeder, ghost occurs

5-17Samsung ElectronicsTroubleshootingError code 1-094FaultDescriptionDark ghost occurs in printing at 69 mm intervalsGhost (5)Model ML-xxxxCheckF

5-18 Samsung ElectronicsTroubleshootingError code 1-095FaultDescriptionWhite ghost occurs in the black image printing at 46 mm intervals.Ghost (6)Mode

5-19Samsung ElectronicsTroubleshootingError code 1-100FaultDescriptionPartially blank image appears either periodically or non-periodically.Partial bl

5-20 Samsung ElectronicsTroubleshootingError code 1-110FaultDescriptionBackground too dark on the face of printed pageStains on the face of pageModel

5-21Samsung ElectronicsTroubleshootingError code 1-111FaultDescriptionThe back of the page is stained at 49 mm intervalsStains on back of pageModel

5-22 Samsung ElectronicsTroubleshootingError code 1-120FaultDescriptionBlank page is printed.Blank page printoutModel ML-xxxxCheck1. Bad ground co

5-23Samsung ElectronicsTroubleshootingError code 1-121FaultDescriptionOne or several blank pages are printed.When the printer turns on, several blank

5-24 Samsung ElectronicsTroubleshootingError code 1-130FaultDescriptionIncomplete or missing characters.Data errorModel ML-xxxxCheckControl boardC

Schematic Diagrams8-8 Samsung ElectronicsController Diagram(2/10)47PFC107C340.1UFC16522PF10R560.1UFC33R80 1047PFC105R76 10C360.1UFR66 10DQ9491GND1GND2

Samsung Electronics 5-25TroubleshootingError code 1-140FaultDescriptionWhen printing on xerographic paper from cassette, the printed image is diffused

5-26 Samsung ElectronicsTroubleshootingError code 1-141FaultDescriptionWhen printing on card stock or transparencies using manual feeder, the printed

Samsung Electronics 5-27TroubleshootingError code 2-010FaultDescriptionPrinting begins at wrong position on the paper.Wrong print positionModel ML

5-28 Samsung ElectronicsTroubleshootingError code 2-020FaultDescription1. Paper is not exited from the cassette.2. Paper is stopped just after cassett

Samsung Electronics 5-29TroubleshootingError code 2-030FaultDescriptionRecording paper is jammed in the output area (inside the fuser), or multiple sh

5-30 Samsung ElectronicsTroubleshootingError code 2-040FaultDescriptionPaper is completely fed out of the printer, but Jam 2 occurs. Or, the paper is

Samsung Electronics 5-31TroubleshootingError code 2-050FaultDescriptionMultiple sheets of paper are fed at once.Multi-feedingModel ML-xxxxCheckEng

5-32 Samsung ElectronicsTroubleshootingError code 3-010FaultDescriptionAll the lamps on the operator panel blink and the system stops.Fuser ErrorModel

Samsung Electronics 5-33TroubleshootingError code 3-011FaultDescriptionWhen printing, motor breaks away from its place due to the defective fuser gear

5-34 Samsung ElectronicsTroubleshootingError code 3-020FaultDescriptionThe feeding paper is stopped in the front of transfer roller and all lamps on t