Samsung ML-1740 - ML 1740 B/W Laser Printer Especificaciones

SERVICELASER PRINTERML-1740/XSHManualLASER PRINTER CONTENTS1. Precautions2. Reference Information3. Specifications4. Summary of product5. Disassembly

2-3Samsung ElectronicsREFERENCE INFORMATIONService Manual2.3 The Sample Pattern for the TestThe sample pattern shown in below is the standard pattern

2-4REFERENCE INFORMATIONSamsung ElectronicsService Manual2.3.2 A4 2% Pattern

2-5Samsung ElectronicsREFERENCE INFORMATIONService Manual2.3.3 A4 IDC Pattern

2-6REFERENCE INFORMATIONSamsung ElectronicsService Manual

333-1Samsung ElectronicsSpecificationsService Manual3. SpecificationsProduct specifications are subject to change without notice.See below for product

3-2SpecificationsSamsung ElectronicsService Manual3.3 Electrical Specification3.2 Controller SpecificationITEMDESCRIPTIONML-1710PProcessor(CPU) Samsu

3-3Samsung ElectronicsSpecificationsService Manual• Input capacityCassette: 250 sheetsManual : 1 sheet• Output capacityFace Down : 50 sheets(20lb)Face

3-4SpecificationsSamsung ElectronicsService Manual

444-1Samsung ElectronicsSUMMARY OF PRODUCTService Manual4. Summary of ProductThis chapter describes the functions and operating principal of the main

4-2SUMMARY OF PRODUCTSamsung ElectronicsService Manual4.1.2 Rear ViewRear output tray(Face up) Power receptacleParallel portUSB port4.1.3 Inside ViewT

© Samsung Electronics Co.,Ltd. December 2003Printed in Korea.VERSION NO. : 1.00 CODE : JC-0117BThis service manual is also provided on t

LED Description4-3Samsung ElectronicsSUMMARY OF PRODUCTService Manual4.1.3 Control Panel1) On Line/Error and Toner Save LEDsIf the On Line/Error light

4-4SUMMARY OF PRODUCTSamsung ElectronicsService Manual2) Cancel buttonPrinting demo page In Ready mode, press and hold this button for about 2 seconds

4-5Samsung ElectronicsSUMMARY OF PRODUCTService Manual4.2 System LayoutPTLPICK/RPRCRDRSRTR FROPCL S UFuserToner Cartridge11223634CassetteManual Feeder

4-6SUMMARY OF PRODUCTSamsung ElectronicsService Manual4.2.1 Feeding PartThere are the universal cassette, which loads papers, and the manual feeder, w

4-7Samsung ElectronicsSUMMARY OF PRODUCTService Manual4.2.4.5 Safety Relevant Facts• Protecting device when overheating- 1st protecting device: H/W cu

4-8SUMMARY OF PRODUCTSamsung ElectronicsService Manual4.2.6 Toner CartridgeBy using the electronic photo process, it creates a visual image. In the t

4-9Samsung ElectronicsSUMMARY OF PRODUCTService Manual4.3 Main PBA(SPL Model)The Engine Board and the Controller Board are in one united board, and it

4-10SUMMARY OF PRODUCTSamsung ElectronicsService Manual4.3.1 ASIC (Jupiter )The Jupiter (16Bit RISC Processor), which is the executive controller to o

4-11Samsung ElectronicsSUMMARY OF PRODUCTService Manual3) Paper Feeding, Toner Cartridge SensingWhen paper passes the actuator (feed sensor part), it

4-12SUMMARY OF PRODUCTSamsung ElectronicsService Manual4.4 SMPS & HVPSThe SMPS supplies the DC power to the system.It takes 110V/220V and outputs

2003. 12

4-13Samsung ElectronicsSUMMARY OF PRODUCTService Manual4.4.1 HVPS(High Voltage Power Supply)1) Transfer High Voltage (THV+) - Function: It is a voltag

4-14SUMMARY OF PRODUCTSamsung ElectronicsService Manual4-14SUMMARY OF PRODUCTSamsung ElectronicsTraining Manual4.4.2 SMPS(Switching Mode Power Supply)

4-15Samsung ElectronicsSUMMARY OF PRODUCTService Manual6) Feature - Insulating resistance : over 50MΩ (at DC500V)- Insulating revisiting pressure : Mu

4-16SUMMARY OF PRODUCTSamsung ElectronicsService Manual4.5 Engine F/W4.5.1 FeedingIf feeding from a cassette, the drive of the pickup roller is contro

4-17Samsung ElectronicsSUMMARY OF PRODUCTService Manual4.5.4 FusingThe temperature change of the heat roller’s surface is changed to the resistance va

4-18SUMMARY OF PRODUCTSamsung ElectronicsService Manual4.5.4.3 What is the Q-PID Method?The Q-PID is developed by Samsung, and it saves the preheating

555-1Samsung ElectronicsDisassembly and ReassemblyService Manual5. Disassembly and Reassembly5.1 General Precautions on DisassemblyWhen you disassembl

5-2Disassembly and ReassemblySamsung ElectronicsService Manual1. Pull the Cassette out of the printer.2. Remove the Front Cover in the direction ofarr

5-3Samsung ElectronicsDisassembly and ReassemblyService Manual1. Before you remove the Fuser, you shouldremove:- Top Cover(see page 5-2)2. Unplug two

5-4Disassembly and ReassemblySamsung ElectronicsService Manual1. Before you remove the Fuser, you shouldremove:- Top Cover(see page 5-2)2.Remove the E

111-1Samsung ElectronicsPrecautionsService Manual1. PrecautionsThe cautions in the below are items needed to keep in mind when maintaining and servici

5-5Samsung ElectronicsDisassembly and ReassemblyService Manual1. Before you remove the Fuser, you shouldremove:- Top Cover(see page 5-2)2. Unplug the

5-6Disassembly and ReassemblySamsung ElectronicsService Manual1. Before you remove the Fuser, you shouldremove:- Top Cover(see page 5-2)- Fuser Connec

5-7Samsung ElectronicsDisassembly and ReassemblyService Manual5.10 SMPS1. Before you remove the Fuser, you shouldremove:- Top Cover(see page 5-2)- Eng

5-8Disassembly and ReassemblySamsung ElectronicsService Manual5.11 Transfer Roller1. Before you remove the Fuser, you shouldremove:- Top Cover(see pag

5-9Samsung ElectronicsDisassembly and ReassemblyService Manual5.12 Feed Roller1. Before you remove the Fuser, you shouldremove:- Top Cover(see page 5-

5-10Disassembly and ReassemblySamsung ElectronicsService Manual1. Before you remove the Fuser, you shouldremove:- Top Cover(see page 5-2)- Drive Ass’y

666-1Samsung ElectronicsLIGNMENT & DJUSTMENTSService Manual6. Alignment and AdjustmentsThis chapter describes the main functions for service, suc

6-2LIGNMENT & DJUSTMENTSSamsung ElectronicsServiceManual6.1.2 CodeConnect DCU to the printer and turn the power on. It show 7 Segment FND on the

6-3Samsung ElectronicsLIGNMENT & DJUSTMENTSService Manual6.1.3 Self Diagnostic ModeIf Error code occurs due to malfunction of the printer, perfor

6-4LIGNMENT & DJUSTMENTSSamsung ElectronicsServiceManualCode Description07 Paper Empty Sensor Test : If activate the Actuator of the PEMPTY Senso

1-2PrecautionsSamsung ElectronicsService Manual1.2 Caution for safety1.2.1 Precaution related noxious materialThe toner in a printer cartridge contain

6-5Samsung ElectronicsLIGNMENT & DJUSTMENTSService Manual6.1.4 Self Test ButtonIf the Self-Test button pressed, vertical lines are printed.Turn

6-6LIGNMENT & DJUSTMENTSSamsung ElectronicsServiceManual6.2 Paper PathPTLPICK/RPRCRDRSRTR FROPCL S UFuserToner Cartridge11223344Paper Input (Cass

6-7Samsung ElectronicsLIGNMENT & DJUSTMENTSService Manual6.3 Clearing Paper JamsOccasionally, paper can be jammed during a print job. Some of cau

6-8LIGNMENT & DJUSTMENTSSamsung ElectronicsServiceManual6.3.2 In the Paper Feed Area1) Open the front cover and remove the toner cartridge 2) Gen

6-9Samsung ElectronicsLIGNMENT & DJUSTMENTSService Manual6.3.4 Tips for Avoiding Paper JamsBy selecting the correct paper types, most paper jams

6-10LIGNMENT & DJUSTMENTSSamsung ElectronicsServiceManual6.4 Sample PatternThis product has the several sample patterns for maintenance. With th

6-11Samsung ElectronicsLIGNMENT & DJUSTMENTSService Manual2) The Demo page or the configuration sheet shows the printer’s current configuration.M

6-12LIGNMENT & DJUSTMENTSSamsung ElectronicsServiceManual6.4.2 Printing a cleaning sheet If you are experiencing blurred, faded or smeared printo

6-13Samsung ElectronicsLIGNMENT & DJUSTMENTSService ManualCOMPONENT REPLACEMENT CYCLEPick-up Roller 60,000 PagesPaepr Feeding Roller(Friction Pad

6-14LIGNMENT & DJUSTMENTSSamsung ElectronicsServiceManual6.7 Periodic Defective ImageIf the delinquent image regularly occurs in the printed-pape

1-3Samsung ElectronicsPrecautionsService Manual1.2.3 Precaution related handling the machine.If you ignore this information, you could get harm and ma

6-15Samsung ElectronicsLIGNMENT & DJUSTMENTSService Manual

777-1Samsung ElectronicsTROUBLESHOOTINGService Manual7. Troubleshooting7.1 Bad image 7.1.1 Vertical Black Line and Band • Description1. Straight thin

7-2TROUBLESHOOTINGSamsung ElectronicsService Manual7.1.3 Horizontal Black Band• Description1. Dark or blurry horizontal stripes occur in the printing

7-3Samsung ElectronicsTROUBLESHOOTINGService Manual7.1.5 Light Image• Description The printed image is light, with no ghost.Digital PrinterDigital Pr

7-4TROUBLESHOOTINGSamsung ElectronicsService Manual7.1.7 Uneven Density• Description Print density is uneven between left and right.Check and Cause S

7-5Samsung ElectronicsTROUBLESHOOTINGService Manual7.1.9 Ghost (1) • Description Ghost occurs at 75.5 mm intervals of the OPC drum in the whole print

7-6TROUBLESHOOTINGSamsung ElectronicsService Manual7.1.11 Ghost (3) • Description White ghost occurs in the black image printing at 32mm intervals.Dig

7-7Samsung ElectronicsTROUBLESHOOTINGService Manual7.1.14 Stains on Back of Page • Description The back of the page is stained at 47 mm intervals.Digi

7-8TROUBLESHOOTINGSamsung ElectronicsService Manual7.2.1 Wrong Print Position• Description Printing begins at wrong position on the paper.Check and

7-9Samsung ElectronicsTROUBLESHOOTINGService ManualCheck and Cause Solution1. If the recording paper is jammed in front of or insidethe fuser. (Perfo

1-4PrecautionsSamsung ElectronicsService Manual1.3 ESD PrecautionsCertain semiconductor devices can be easily damaged by static electricity. Such comp

7-10TROUBLESHOOTINGSamsung ElectronicsService Manual7.2.5 Multi-Feeding • Description Multiple sheets of paper are fed at once.Check and Cause Solut

7-11Samsung ElectronicsTROUBLESHOOTINGService Manual7.2.7 Paper rolled in the Toner Cartridge (OPC Drum)• Description Paper is rolled up in the OPC

7-12TROUBLESHOOTINGSamsung ElectronicsService Manual7.3 Malfunction7.3.1 All LEDs blinking (Fuser Error)• Description1. All the lamps on the operator

7-13Samsung ElectronicsTROUBLESHOOTINGService Manual7.3.3 Not function of the gear of the fuser due to melting away• DescriptionThe motor breaks away

7-14TROUBLESHOOTINGSamsung ElectronicsService Manual7.3.6 Cover Open• DescriptionThe ERROR lamp is on even when the print cover is closed.Check and C

7-15Samsung ElectronicsTROUBLESHOOTINGService Manual7.3.8 Defective motor operation• DescriptionMain motor is not driving when printing, and paper do

7-16TROUBLESHOOTINGSamsung ElectronicsService Manual7.3.10 Vertical Line Getting Curved• DescriptionWhen printing, vertical line gets curved.Check and

7-17Samsung ElectronicsTROUBLESHOOTINGService Manual7.4 Toner Cartridge ServiceIt is not guaranteed for the default caused by using other toner cartri

7-18TROUBLESHOOTINGSamsung ElectronicsService Manual7.4.4 Signs and Measures at Poor toner cartridgeFault Signs Cause & Check SolutionLight imag

7-19Samsung ElectronicsTROUBLESHOOTINGService ManualFault Signs Cause & Check SolutionWhite Black spotRecycled product• Light or dark blackdots

222-1Samsung ElectronicsREFERENCE INFORMATIONService Manual2. Reference InformationThis chapter describes the reference information for applying this

7-20TROUBLESHOOTINGSamsung ElectronicsService Manual7.5 Bad Environment of The Software7.5.1 The printer is not working (1) • DescriptionWhile Power

7-21Samsung ElectronicsTROUBLESHOOTINGService Manual7.5.2 The printer is not working (2) • DescriptionAfter receiving the printing order, no response

7-22TROUBLESHOOTINGSamsung ElectronicsService Manual7.5.3 Abnormal Printing• DescriptionThe printing is not working properly even when the cable has

7-23Samsung ElectronicsTROUBLESHOOTINGService Manual7.5.4 SPOOL Error• DescriptionTo spool which stands for "simultaneous peripheral operations

888-1Samsung ElectronicsEXPLODED VIEW & PARTS LISTService Manual8. Exploded Views and Parts List(ML-1740/XSH)8-1. Main Assembly . . . . . . . .

8-2EXPLODED VIEW & PARTS LISTSamsung ElectronicsService Manual8.1 Main Assembly096782-22-32-42-52-62-6152-12-72-81210411-11111-211-311-411-511-312

8-3Samsung ElectronicsEXPLODED VIEW & PARTS LISTService ManualMain Assembly Parts ListSA : Service AvailableO : Service available X : Service not

8-4EXPLODED VIEW & PARTS LISTSamsung ElectronicsService Manual8.2 Frame Unit Assembly0124356761126953951131415161757181920202122232425263731272829

8-5Samsung ElectronicsEXPLODED VIEW & PARTS LISTService ManualFrame Unit Assembly Parts ListSA : Service AvailableO : Service available X : Servic

8-6EXPLODED VIEW & PARTS LISTSamsung ElectronicsService ManualFrame Unit Assembly Parts List(Cont.)SA : Service AvailableO : Service available X :

2-2REFERENCE INFORMATIONSamsung ElectronicsService Manual2.2 Acronyms and AbbreviationsThe table in the below explains abbreviations used in this serv

8-7Samsung ElectronicsEXPLODED VIEW & PARTS LISTService Manual8.3 Drive Unit Assembly01234456789HARNESS-MOTOR5No. Description SEC.Code Q’ty SA Rem

8-8EXPLODED VIEW & PARTS LISTSamsung ElectronicsService Manual8.4 Cassette Unit Assembly01234556789101115161812131417

8-9Samsung ElectronicsEXPLODED VIEW & PARTS LISTService ManualNo. Description SEC.Code Q’ty SA Remark0 MEA UNIT-CASSETTE JC97-01902A 1 O ML-17401

8-10EXPLODED VIEW & PARTS LISTSamsung ElectronicsService Manual8.5 Fuser Unit Assembly012353453232633789101213141516171819202131252627302834292223

8-11Samsung ElectronicsEXPLODED VIEW & PARTS LISTService ManualNo. Description SEC.Code Q’ty SA Remark0 ELA HOU-FUSER 220V JC96-02661A 1 O 220V1 C

8-12EXPLODED VIEW & PARTS LISTSamsung ElectronicsService Manual

999-1Samsung ElectronicsB LOCK DIAG R A MService Manual9. Block Diagram9.1 GDI ModelPOWER CORDIN-LETF. GTHERMISTORTo ControllerMAIN MOTORSOLENOID PTLI

110010-1Samsung ElectronicsCONNECTION DIAG R A MService Manual10. Connection DiagramML-1740Connection DiagramUSB CABLE12121234123412121212121231234123