Samsung ML-1440 Specifikace

SERVICELASER PRINTERML-1440ManualLASER PRINTER CONTENTS1. Precautions2. Specifications3. Disassembly and Reassembly4. Troubleshooting5. Exploded View

Disassembly and Reassembly3-3Samsung Electronics1. Remove two screws and remove the controller board. 2. Remove five screws securing the board and u

Disassembly and Reassembly3-4 Samsung Electronics1. Remove four screws securing the pickup assembly. 2. Take the assembly out.3. Check the pickup r

Disassembly and Reassembly3-5Samsung Electronics1. Remove two screws and remove the controller board.2. Remove two screws at the back of the printer

Disassembly and Reassembly3-6 Samsung Electronics3-6 MP (Multi-Purpose) Tray1. Before you remove the MP tray, you should remove:-Main Cover (see pa

Disassembly and Reassembly3-7Samsung Electronics3-8 LSU1. Before you remove the LSU, you should remove:-Main Cover (see page 3-5)-Exit assembly (s

Disassembly and Reassembly3-8 Samsung Electronics3-10 Drive Assembly1. Before you remove the drive assembly, you shouldremove:-Main Cover (see pag

Disassembly and Reassembly3-9Samsung Electronics3-11 Fan1. Before you remove the fan, you should remove:-Main Cover (see page 3-5)2. Remove two s

Disassembly and Reassembly3-10 Samsung Electronics1. Before you remove the fuser, you should remove:-Main Cover (see page 3-5)2. Remove four screws

Disassembly and Reassembly3-11Samsung ElectronicsTo remove the heat roller from the fuser assembly :1. Remove the halogen lamp. (see page 3-11)2. Rem

Disassembly and Reassembly3-12 Samsung Electronics3-14 Guide Feed & PTL Lamp1. Before you remove the guide feed & PTLlamp, youshould remove

© Samsung Electronics Co.,Ltd. MAY 2002Printed in Korea.VERSION NO. : 1.01 CODE : JC-0066AThis service manual is also provided on the web, the

Disassembly and Reassembly3-13Samsung Electronics1. Before you remove the engine board, you shouldremove:-Main Cover (see page 3-5)2. Remove nine s

Disassembly and Reassembly3-14 Samsung ElectronicsTo replace the exit board :Unplug one connector from the controller board andremove one screw secur

Disassembly and Reassembly3-15Samsung ElectronicsTo replace the actuator feed1. Turn the mechanism back and push down the pointsas shown to unlatch t

Troubleshooting4-1Samsung Electronics4. Troubleshooting4-1 How to use DCU 4-1-1 DCU Setup ...Page(4-2)4-1-2 Co

Troubleshooting4-2Samsung Electronics4-1 How to use DCU 4-1-1 DCU SetupYou can examine the malfunction of the printer. To perform DCU, open the fron

Troubleshooting4-3Samsung Electronics4-1-3 Self Diagnostic ModeIf Error code occurs due to malfunction of the printer, perform Self Diagnostic Mode

Troubleshooting4-4Samsung Electronics13 THV(+) TRIGGER. ALL HV :All high voltage output by each HV terminal and LSU and the fan is in operation. In th

Troubleshooting4-5Samsung Electronics4-1-6 DCU PanelDIAGNOSTIC CONTROL UNITQUICK REFERANCE040507080910BIAS 3LSU READYPAPER EMPTYCRUCOVER OPENCOER HEA

Troubleshooting4-6Samsung Electronics4-2 The cause and solution of Bad image 4-2-1 Vertical Black Line and Band • Description1. Straight thin black v

Troubleshooting4-7Samsung Electronics4-2-3 Horizontal Black Band• Description1. Dark or blurry horizontal stripes occur in the printing periodically.

This manual is stated and provided for service description.All rights reserved. Any parts of the information in this manual are prohibited from free d

Troubleshooting4-8Samsung Electronics4-2-5 Light Image• Description The printed image is light, with no ghost.Digital PrinterDigital PrinterDigital P

Troubleshooting4-9Samsung Electronics4-2-7 Uneven Density• Description Print density is uneven between left and right.Check and Cause Solution1. The

Troubleshooting4-10Samsung Electronics4-2-9 Ghost (1) • Description Ghost occurs at 96 mm intervals of the OPC drum in the whole printing.Digital Pri

Troubleshooting4-11Samsung Electronics4-2-11 Ghost (3) • Description White ghost occurs in the black image printing at 51mm intervals.Digital PrinterD

Troubleshooting4-12Samsung Electronics4-2-14 Satins on Back of Page • Description The back of the page is stained at 56.1 mm intervals.Digital Printer

Troubleshooting4-13Samsung Electronics4-3 The cause and solution of the bad discharge4-3-1 Wrong Print Position• Description Printing begins at wro

Troubleshooting4-14Samsung Electronics4-3-4 JAM 2 • Description1. Recording paper is jammed in front of or inside the fuser.2. Recording paper is st

Troubleshooting4-15Samsung Electronics4-3-5 Multi-Feeding • Description Multiple sheets of paper are fed at once.Check and Cause Solution1. Solenoid

Troubleshooting4-16Samsung Electronics4-3-7 OPC• Description Paper is rolled up in the OPC.Check and Cause Solution1. Paper is too much thin. 2. Th

Troubleshooting4-17Samsung Electronics4-4 The cause and solution of the malfunction4-4-1 All LEDs blinking (Fuser Error)• Description1. All the lamps

Read each caution carefully:1. Do not use this printer near water or when exposed toinclement weather.2. Do not place this printer on an unstable ca

Troubleshooting4-18Samsung Electronics4-4-3 Not function of the gear of the fuser due to melting away• DescriptionThe motor breaks away from its plac

Troubleshooting4-19Samsung Electronics4-4-6 Cover Open• DescriptionThe ERROR lamp is on even when the print cover is closed.Check and Cause Solution1

Troubleshooting4-20Samsung Electronics4-4-8 Defective motor operation• DescriptionMain motor is not driving when printing, and paper does not feed in

Troubleshooting4-21Samsung Electronics4-4-10 Vertical Line Getting Curved• DescriptionWhen printing, vertical line gets curved.Check and Cause Solutio

Troubleshooting4-22Samsung Electronics4-5 Toner Cartridge ServiceIt is not guaranteed for the default caused by using other toner cartridge other than

Troubleshooting4-23Samsung Electronics4-5-4 Signs and Measures at Poor toner cartridgeFault Signs Cause & Check SolutionLight image andpartially

Troubleshooting4-24Samsung ElectronicsFault Signs Cause & Check SolutionWhite Black spotRecycled product• Light or dark blackdots on the imageoc

Troubleshooting4-25Samsung ElectronicsFault Signs Cause & Check SolutionGhost & ImageContamination• The printed imageis too light or dark,or

Troubleshooting4-26Samsung Electronics4-6 The cause and solutions of bad environment of the software4-6-1 The printer is not working (1) • Descriptio

Troubleshooting4-27Samsung Electronics4-6-2 The printer is not working (2) • DescriptionAfter receiving the printing order, no response at all or the

Precautions1-2Samsung Electronics1-2 Precautions on Disassembly and Reassembly Very careful precautions should be taken when replacingparts. Before re

Troubleshooting4-28Samsung Electronics4-6-3 Abnormal Printing• DescriptionThe printing is not working properly even when the cable has no problem.(ev

Troubleshooting4-29Samsung Electronics4-6-4 SPOOL Error• DescriptionTo spool which stands for "simultaneous peripheral operations online" a

Samsung Electronics 5-15. Exploded Views and Parts List The material codes mentioned in themanual are subject to change without prior notice. Fo

5-2 Samsung ElectronicsExploded Views and Parts List5-1 Main Assembly Exploded view012316452267821209101112131417 1815251922-122-1232426SAMSUNG26-1

Samsung Electronics 5-3Exploded Views and Parts ListNO DESCRIPTION SEC CODE Q’TY SA REMARK1 ELA HOU-COVER MAIN See Page 5-5 1 O2 UNIT-LSU JC59-00004A

5-4 Samsung ElectronicsExploded Views and Parts List5-2 Top Assembly Exploded view0129446587101112133

Samsung Electronics 5-5Exploded Views and Parts ListNO DESCRIPTION SEC CODE Q’TY SA REMARK< Top Assembly Parts List >SA. : Service AvailableO: S

5-6 Samsung ElectronicsExploded Views and Parts List5-3 Frame Assembly Exploded view29-429-129-229-325-125-224-224-1252427264294143232229422-122-322-

NO DESCRIPTION SEC CODE Q’TY SA REMARK0 ELA UNIT-FRAME BASE JC96-01641M 1 O 110VELA UNIT-FRAME BASE JC96-01641L 1 O 220V1 FAN-DC-HAWK JC31-00004A 1 O2

5-8 Samsung ElectronicsExploded Views and Parts ListNO DESCRIPTION SEC CODE Q’TY SA REMARK25-2 SPRING-HV SMALL * 1 X26 GROUND-HVPS * 1 X27 IPR-REMOVE

Precautions1-3Samsung Electronics1-3 Tools for TroubleshootingThe following tools are recommended for safe and smooth troubleshooting described in th

Samsung Electronics 5-9Exploded Views and Parts List5-4 Exit Assembly Exploded view1314S1S1161797865101142310S1S1

5-10 Samsung ElectronicsExploded Views and Parts List< Exit Ass’y Parts List >SA. : Service AvailableNO DESCRIPTION SEC CODE Q’TY SA REMARKO: Se

Samsung Electronics 5-11Exploded Views and Parts List5-5 Fuser Assembly Exploded view3827262423222125182019283534302933313217161514113911112103581673

5-12 Samsung ElectronicsExploded Views and Parts ListNO DESCRIPTION SEC CODE Q’TY SA REMARK0 AS-FUSER ASSY JC81-00395B 1 O 110VAS-FUSER ASSY JC81-0039

Samsung Electronics 5-13Exploded Views and Parts List5-6 Rack-MPF Assembly Exploded view03214NO DESCRIPTION SEC CODE Q’TY SA REMARK0 ELA HOU-MPF JC97

5-14 Samsung ElectronicsExploded Views and Parts List5-7 Drive Assembly Exploded view02867435131161615912111014

Samsung Electronics 5-15Exploded Views and Parts List0 ELA UNIT-MOTOR 14 JC96-02058A 1 O1 MOTOR-STEP JC31-00010A 1 O2 IPR-BRKT GEAR * 1 X3 IPR-BRKT MO

5-16 Samsung ElectronicsExploded Views and Parts List5-8 Pick-Up Assembly Exploded view0822551179242562612181331911015155222420171610215214 23

Samsung Electronics 5-17Exploded Views and Parts ListNO DESCRIPTION SEC CODE Q’TY SA REMARK0 MEA UNIT-FEEDER JC97-01324A 1 O1 SCREW-TAPTITE * 1 X2 WAS

5-18 Samsung ElectronicsExploded Views and Parts List5-9 Cassette Unit Exploded view (270)01716151814131211123546 10 98 7 19

15 PPM(Letter) , 14 PPM(A4)True 600 X 600 dpiTray 1 : Less than 15 seconds Tray 2 : Less than 17 secondsLess than 40 secondsPrint : 350 W, Power save

Samsung Electronics 5-19Exploded Views and Parts List< Cassette Unit Parts List >SA. : Service AvailableNO DESCRIPTION SEC CODE Q’TY SA REMARK0

Block Diagram6-1Samsung Electronics6. Block DiagramHVPS74LVX161284P1284 T ransceiverXC61FN3112MRVoltage DetectorASICS3C46M0X0129F800- 70Flash Memory5

Block Diagram6-1Samsung Electronics6. Block DiagramHVPS74LVX161284P1284 T ransceiverXC61FN3112MRVoltage DetectorASICS3C46M0X0129F800- 70Flash Memory5

Repair ManualRepair Manual1. Block Diagram2. Connection Diagram3. Schematic DiagramsCONTENTSSAMSUNG LASER PRINTERML-1450Series ML-1440

Electronics

Samsung Electronics Digital Printing CS GroupCopyright (c) 2002. 1This manual is made and described centering around circuit diagram and circuit desc

11-1Samsung ElectronicsBLOCK DIAGRAMRepair Manual1. Block DiagramOSC.48 MHzUSBINTERFACE IC(USBN9602)USBINTERFACEPARALLELINTERFACESPGPe(KS32C61100)OSC.

22-1Samsung ElectronicsCONNECTION DIAGRAMRepair Manual2. Connection DiagramSMPSController: Normal Connector: Board on type ConnectorRemarkSize/E mpty

33-1Samsung ElectronicsSCHEMATIC DIAGRAMSRepair Manual3. Schematic Diagrams3-1 Main Circuit Diagram (1/6)

3-2SCHEMATIC DIAGRAMSSamsung ElectronicsRepair ManualMain Circuit Diagram (2/6)

Disassembly and Reassembly3-1Samsung Electronics3. Disassembly and Reassembly 3-1 General Precautions on DisassemblyWhen you disassemble and reasse

3-3Samsung ElectronicsSCHEMATIC DIAGRAMSRepair ManualMain Circuit Diagram (3/6)

3-4SCHEMATIC DIAGRAMSSamsung ElectronicsRepair ManualMain Circuit Diagram (4/6)

3-5Samsung ElectronicsSCHEMATIC DIAGRAMSRepair ManualMain Circuit Diagram (5/6)

3-6SCHEMATIC DIAGRAMSSamsung ElectronicsRepair ManualMain Circuit Diagram (6/6)

3-7Samsung ElectronicsSCHEMATIC DIAGRAMSRepair Manual3-2 Engine Circuit Diagram (1/2)

3-8SCHEMATIC DIAGRAMSSamsung ElectronicsRepair ManualEngine Circuit Diagram (2/2)

3-9Samsung ElectronicsSCHEMATIC DIAGRAMSRepair Manual3-3 SMPS Circuit Diagram

Disassembly and Reassembly3-2 Samsung Electronics1. Open the printer cover.2. Remove the cap.3. Hold the cap at the both end of the roller, then re