Samsung ML-2151N Spécifications Page 1

SERVICELASER PRINTERML-2150ML-2151NML-2152WManualLASER PRINTER CONTENTS1. Precautions2. Reference Information3. Specifications4. Summary of product5.

2-5Samsung ElectronicsREFERENCE INFORMATIONService Manual2.4.2 A4 2% Patten

7-15Samsung ElectronicsTROUBLESHOOTINGService Manual7.3.5 Paper Empty without indication• DescriptionThe paper lamp on the operator panel does not co

7-16TROUBLESHOOTINGSamsung ElectronicsService Manual7.3.7 No error message when the cover is open• DescriptionThe ERROR message does not come on even

7-17Samsung ElectronicsTROUBLESHOOTINGService Manual7.3.8 Defective motor operation• DescriptionMain motor is not driving when printing, and paper do

7-18TROUBLESHOOTINGSamsung ElectronicsService Manual7.3.10 Vertical Line Getting Curved• DescriptionWhen printing, vertical line gets curved.Check an

7-19Samsung ElectronicsTROUBLESHOOTINGService Manual7.4 Toner Cartridge ServiceIt is not guaranteed for the default caused by using other toner cartri

7-20TROUBLESHOOTINGSamsung ElectronicsService Manual7.4.4 Error message (LCD window) related in a toner sensorIt explains a message related in toner s

7-21Samsung ElectronicsTROUBLESHOOTINGService Manual7.4.5 Signs and Measures at Poor toner cartridgeFault Signs Cause & Check SolutionLight ima

7-22TROUBLESHOOTINGSamsung ElectronicsService ManualFault Signs Cause & Check SolutionWhite Black spotRecycled product• Light or dark blackdots

7-23Samsung ElectronicsTROUBLESHOOTINGService ManualFault Signs Cause & Check SolutionGhost & ImageContamination• The printed imageis too li

7-24TROUBLESHOOTINGSamsung ElectronicsService Manual7.5 The cause and solutions of bad environment of the software7.5.1 The printer is not working (1

2-6REFERENCE INFORMATIONSamsung ElectronicsService Manual2.4.3 A4 IDC 5% Patten

7-25Samsung ElectronicsTROUBLESHOOTINGService Manual7.5.2 The printer is not working (2) • DescriptionAfter receiving the printing order, no response

7-26TROUBLESHOOTINGSamsung ElectronicsService Manual7.5.3 Abnormal Printing• DescriptionThe printing is not working properly even when the cable has

7-27Samsung ElectronicsTROUBLESHOOTINGService Manual7.5.4 SPOOL Error• DescriptionTo spool which stands for "simultaneous peripheral operations

7-28TROUBLESHOOTINGSamsung ElectronicsService Manual

Exploded Views & Parts ListSamsung ElectronicsService Manual8-1888.1 Main Assembly p.8-28.2 Base-Houshing Assembly p.8-68.3 Frame Assembly (

Samsung ElectronicsService ManualExploded Views & Parts List8-28.1 Main Assembly032-12-22453-13-23-33-43-43-53-61716113238301318 861414-214-114-31

Exploded Views & Parts ListSamsung ElectronicsService Manual8-3Main Assembly Parts List(1/2)No.LocationDescription SEC.Code Q’ty SA Remark1 H6001

Samsung ElectronicsService ManualExploded Views & Parts List8-4Main Assembly Parts List(2/2)No.LocationDescription SEC.Code Q’ty SA Remark25 K3138

Exploded Views & Parts ListSamsung ElectronicsService Manual8-58.2 Base-Houshing Assembly11-11-21-31-31-181-41-51-61-71-121-131-141-141-161-175323

Samsung ElectronicsService ManualExploded Views & Parts List8-6Base-Houshing Assembly Parts ListNo.LocationDescription SEC.Code Q’ty SA Remark0 H6

2.6 Wireless LAN• This product uses a printing function with a wireless LAN, which is an option. - The wireless LAN function uses a frequency instead

Exploded Views & Parts ListSamsung ElectronicsService Manual8-78.3 Frame Assembly (1)12662-172-22-22-32-42-4 -12-4-22-4-37-17-27-37-87-47-57-67-75

Samsung ElectronicsService ManualExploded Views & Parts List8-8Frame Assembly (2)5367686967-167-267-367-367-467-567-567-1367-767-967-667-767-867-1

Exploded Views & Parts ListSamsung ElectronicsService Manual8-9Frame Assembly Parts List(1/3)No.LocationDescription SEC.Code Q’ty SA Remark0 B0075

Samsung ElectronicsService ManualExploded Views & Parts List8-10Frame Assembly Parts List(2/3)No.LocationDescription SEC.Code Q’ty SA Remark24 E41

Exploded Views & Parts ListSamsung ElectronicsService Manual8-11Frame Assembly Parts List(3/3)No.LocationDescription SEC.Code Q’ty SA Remark64 H10

Samsung ElectronicsService ManualExploded Views & Parts List8-128.4 Fuser Assembly2-12-22-22-82-82-52-102-32-73-12-62-92-43-63-73-23-43-31-171-141

Exploded Views & Parts ListSamsung ElectronicsService Manual8-13Fuser Unit Assembly Parts List(1/2)No.LocationDescription SEC.Code Q’ty SA Remark0

Samsung ElectronicsService ManualExploded Views & Parts List8-14Fuser Unit Assembly Parts List(2/2)No.LocationDescription SEC.Code Q’ty SA Remark4

Exploded Views & Parts ListSamsung ElectronicsService Manual8-158.5 Main Driver Assembly011525317467891016121314Harness-Main Motor11Main Driver As

Samsung ElectronicsService ManualExploded Views & Parts List8-168.6 Exit Driver Assembly0412Harness-Motor345668910111279Parts ListNo.LocationDescr

2-8REFERENCE INFORMATIONSamsung ElectronicsService Manual

Exploded Views & Parts ListSamsung ElectronicsService Manual8-178.7 Regi Assembly12123454181612181212672120178109151113140Parts ListNo.LocationDes

Samsung ElectronicsService ManualExploded Views & Parts List8-188.8 SMPS Assembly012-122-132-152-142-122-142-32-42-52-62-72-82-112-92-102-2 2-16

Exploded Views & Parts ListSamsung ElectronicsService Manual8-19SMPS Unit Parts ListNo.LocationDescription SEC.Code Q’ty SA Remark0 S7016ELA HOU-S

Samsung ElectronicsService ManualExploded Views & Parts List8-208.9 Cassette Assembly19192020111012121181113121114723242221 1279261617272712151865

Exploded Views & Parts ListSamsung ElectronicsService Manual8-21Cassette Assembly Parts ListNo.LocationDescription SEC.Code Q’ty SA Remark0 K3096

Samsung ElectronicsService ManualExploded Views & Parts List8-228.10 SCF Assembly1051053231102101281033810218-124010110120272711122710-110410410-

Exploded Views & Parts ListSamsung ElectronicsService Manual8-23SCF Assembly Parts List(1/2)No.LocationDescription SEC.Code Q’ty SA Remark0 L1012

Samsung ElectronicsService ManualExploded Views & Parts List8-24SCF Assembly Parts List(2/2)No.LocationDescription SEC.Code Q’ty SA Remark35 K295

999-1Samsung ElectronicsB LOCK DIAG R A MService Manual9. Block DiagramACK*, BU SY,SELECT ,ERROR,FAULT *SELIN*ST ROBE*AUTOFD*INI*PD(0:7)

9-2B LOCK DIAGRAMSamsung ElectronicsService Manual

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

110010-1Samsung ElectronicsCONNECTION DIAG R A MService Manual10. Connection DiagramLSUCOVER OPENB’DPANELCOVERJOINTCONNECTOR B’DPTLMAIN-CLUTCHSMPS/HVP

10-2CONNECTION DIAGRAMSamsung ElectronicsService Manual

11. Schematic Diagrams11-1 Main Circuit Diagram(1/9)11-1- This Document can not be used without Samsung's authorization -

Main Circuit Diagram(2/9)11-2Schematic Diagrams- This Document can not be used without Samsung's authorization -

Main Circuit Diagram(3/9) 11-3Schematic Diagrams- This Document can not be used without Samsung's authorization -

Main Circuit Diagram(4/9) 11-4Schematic Diagrams- This Document can not be used without Samsung's authorization -

Main Circuit Diagram(5/9) 11-5Schematic Diagrams- This Document can not be used without Samsung's authorization -

Main Circuit Diagram(6/9) 11-6Schematic Diagrams- This Document can not be used without Samsung's authorization -

Main Circuit Diagram(7/90) 11-7Schematic Diagrams- This Document can not be used without Samsung's authorization -

Main Circuit Diagram(8/9) 11-8Schematic Diagrams- This Document can not be used without Samsung's authorization -

3-2SpecificationsSamsung ElectronicsService Manual3.3 Electrical SpecificationITEM DESCRIPTION REMARKInput Voltage Nominal input voltage 200-240 VAC /

Main Circuit Diagram(9/9) 11-9Schematic Diagrams- This Document can not be used without Samsung's authorization -

11-10Schematic DiagramsR5095.6KDEV50KR51330KFR5161/2W15MFR510100KQ504C2316Q503C945C-YZD5022.7VBR511470ZD5012.7VR50810KR50410KR503330KFC504472Q501A708-

11-11Schematic DiagramsR302RD1/8W470KC302CE-103R213BLR1/2W30MR20810KZD2012.7VBQ203C2383D202D1NL20UD203D1NL20UZD3012.7VBD301D1NL20UQ302C2383C3043KV151R

11-12Schematic DiagramsBD1D5SBA60CN1F2125V5AC6200V560uFR43W47KJC7630V103KC2250V104JD5200V20AT1/AI1O2G3C4IC4KA378R33D4C16C1750V104JC25 R25R26C26TH2TH11

BD1D5SBA60CN1F2250V3.15AC6400V270uFR43W47KJC2250V104JD5200V20AT1/AI1O2G3C4IC4KA378R33D4C16C1750V104JC25 R25R26C26TH2TH110D-13B3,B4 L13.3VOP1C3350V104J

11-14Schematic DiagramsBD1D5SBA60CN1F2250V3.15AC6450V270uFR43W47KJC7630V103KC2250V104JD5200V20AT1/AI1O2G3C4IC4KA378R33D4C16C1750V104JC25 R25R26C26TH2T

11-15Schematic Diagrams11-3 Network Card Circuit Diagram(1/5)- This Document can not be used without Samsung's authorization -

11-16Schematic DiagramsNetwork Card Circuit Diagram(2/5)- This Document can not be used without Samsung's authorization -

11-17Schematic DiagramsPLL OFFDEBUGNORMAL..XP I/FIEEE1284USB Disable1..ML-2152W ONLY.01Addr19Addr20Addr21Addr22018BIT16BITEDO DRAMSDRAM16BITSDRAMAddr1

11-18Schematic DiagramsNetwork Card Circuit Diagram(4/5)- This Document can not be used without Samsung's authorization -

3-3Samsung ElectronicsSpecificationsService Manual3.6 Paper Handling Specifications>> Input Paper Size>> Input capacity>> Output cap

11-19Schematic DiagramsNetwork Card Circuit Diagram(5/5)- This Document can not be used without Samsung's authorization -

11-20Schematic Diagrams11-4 SCF PBA Circuit Diagram(1/2)- This Document can not be used without Samsung's authorization -

11-21Schematic DiagramsSCF PBA Circuit Diagram(2/2)- This Document can not be used without Samsung's authorization -

11-22Schematic Diagrams11-5 RAM DIMM Circuit Diagram(1/2)- This Document can not be used without Samsung's authorization -

11-23Schematic DiagramsRAM DIMM Circuit Diagram(2/2)- This Document can not be used without Samsung's authorization -

11-24Schematic Diagrams11-6 Panel PBA Circuit Diagram- This Document can not be used without Samsung's authorization -

11-7 PS3 ROM Circuit Diagram11-25Schematic Diagrams- This Document can not be used without Samsung's authorization -

11-26Schematic Diagrams11-8 Connector PBA Circuit Diagram11-9 Cover Open Sensor Circuit Diagram- This Document can not be used without Samsung's

11-27Schematic Diagrams11-11 Exit Sensor Circuit Diagram11-10 Enpty Sensor Circuit Diagram- This Document can not be used without Samsung's autho

11-28Schematic Diagrams11-12 OPC PBA Circuit Diagram11-13 Toner PBA Circuit Diagram- This Document can not be used without Samsung's authorizatio

3-4SpecificationsSamsung ElectronicsService Manual

11-29Schematic Diagrams11-14 Zener PBA Circuit Diagram- This Document can not be used without Samsung's authorization -

© Samsung Electronics Co.,Ltd. April 2003Printed in Korea.VERSION NO. : 1.00 CODE : JC-0089AThis service manual is also provided on the

Copyright(c) 2003.04

Summary of ProductService Manual4-1Samsung Electronics444. Summary of ProductThis chapter describes the functions and operating principal of the main

Service ManualSummary of Product4-2Samsung Electronics4.1.2 Rear ViewRear output tray(Face up)Power receptacleParallel portUSB portPower switchNetwor

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

Summary of ProductService Manual4-3Samsung ElectronicsDisplay : displays theprinter status and job inprogress.Buttons4.1.3 Control PanelThe control p

Service ManualSummary of Product4-4Samsung Electronics4.1.3.2 ButtonsButton Description• Press to switch between on-line and off-line.• In menu mode,

Summary of ProductService Manual4-5Samsung Electronics4.1.3.3 Using Control Panel MenusA number of menus are available to make it easy for you to cha

Service ManualSummary of Product4-6Samsung Electronics4.1.3.4 Overview of Control Panel MenusThe control panel menus are used to configure the printe

Summary of ProductService Manual4-7Samsung Electronics4.1.3.5 Special FeaturesYour new printer is equipped with special features that improve the pri

Service ManualSummary of Product4-8Samsung ElectronicsExpand the printer capacity• This printer has 32 MB of memory which can be expanded to 160 MB.•

Summary of ProductService Manual4-9Samsung Electronics4.2 System LayoutP/RP/RH/RH/RTransfer ransfer RollerRollerPick up Pick up RollerRollerPick up P

Service ManualSummary of Product4-10Samsung Electronics4.2.1 FeedingIt is consists of a basic cassette, an MP tray for supplying different types of m

Summary of ProductService Manual4-11Samsung Electronics4.2.2 TransferIt consists of a PTL (Pre-transfer Lamp) and a transfer roller. A PTL sheds lig

Service ManualSummary of Product4-12Samsung Electronics4.2.6 Toner CartridgeBy using the electronic photo process, it creates a visual image. In the

1-2PrecautionsSamsung ElectronicsService Manual1.2 Caution for safety1.2.1 Precaution related noxious materialThere is a possibility to get harm from

Summary of ProductService Manual4-13Samsung Electronics4.3 Main BoardMain controller part is organized with Asic (SPGPi) part, Memory part, and Engin

Service ManualSummary of Product4-14Samsung ElectronicsEEPROM (24C04)- It is an EEPROM with 12C method,and it is used to DIMM and Option.RAM--DIMM- Wh

Summary of ProductService Manual4-15Samsung Electronics4.3.1 Controller>> Video controller specificationThe video controller board is located

Service ManualSummary of Product4-16Samsung Electronics4.3.2 Memory part>> Flash Memory It stores the System Program.• Capacity: 2M Byte * 2• A

Summary of ProductService Manual4-17Samsung Electronics4.3.6 Sensor input circuit4.3.6.1 Paper Empty SensingThe Paper empty sensor (Photo Interrupte

Service ManualSummary of Product4-18Samsung Electronics4.4 SMPS & HVPS board The SMPS and HVPS are in one united board. The SMPS part supplies t

Summary of ProductService Manual4-19Samsung Electronics4.4.1 HVPS(High Voltage Power Supply)1) Transfer high voltage (THV (+))- Function: It is a vo

Service ManualSummary of Product4-20Samsung Electronics4.4.2 SMPS(Switching Mode Power Supply)It is the power source for the whole system. It is an

Summary of ProductService Manual4-21Samsung Electronics>>Feature • Insulating resistance : over 50MΩ(at DC 500V) • Insulating revisiting pressu

Service ManualSummary of Product4-22Samsung Electronics4.5 Engine F/W4.5.1 FeedingIf feeding from a cassette, the drive of the pickup roller is cont

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

Summary of ProductService Manual4-23Samsung Electronics4.5.4 FusingThe temperature change of the heat roller’s surface is changed to the resistance v

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

5-2Disassembly and ReassemblySamsung ElectronicsService Manual5.2 Transfer Roller1. Open the Ope Cover. 2. Hold the lever at the both end of the roll

5-3Samsung ElectronicsDisassembly and ReassemblyService Manual5.3 MPF Ass’y1. Open the MPF Ass’y.2. Remove two springs from the Knock Up PlateAss’y.N

5-4Disassembly and ReassemblySamsung ElectronicsService Manual5.4 Holder Pad Ass’y1. Before you remove the Holder Pad Ass'y, you shouldremove:-

5-5Samsung ElectronicsDisassembly and ReassemblyService Manual5.6 Control Board1. Before you remove the Control Board Ass'y, youshould remove:- R

5-6Disassembly and ReassemblySamsung ElectronicsService Manual5.7 Main Drive Ass’y1. Before you remove the RH Cover Ass'y, you shouldremove:- RH

5-7Samsung ElectronicsDisassembly and ReassemblyService Manual5.8 Connector Board1. Before you remove the Connector Board, you shouldremove:- RH Cove

5-8Disassembly and ReassemblySamsung ElectronicsService Manual5.10 LH Cover1. Before you remove the LH Cover, you should remove:- Cassette (Refer to

5-9Samsung ElectronicsDisassembly and ReassemblyService Manual5.11 DC Fan1. Before you remove the DC Fan, you should remove:- RH Cover (Refer to the 5

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

5-10Disassembly and ReassemblySamsung ElectronicsService Manual5.13 Top Cover1. Before you remove the Top Cover, you shouldremove:- RH Cover (Refer to

5-11Samsung ElectronicsDisassembly and ReassemblyService Manual5.14 Open Cover1. Before you remove the Open Cover, you shouldremove:- Top Cover (Refer

5-12Disassembly and ReassemblySamsung ElectronicsService Manual5.16 Fuser Ass’y1. Before you remove the Fuser Ass’y, you shouldremove:- Rear Cover Ref

5-13Samsung ElectronicsDisassembly and ReassemblyService Manual8. Take out the Heat Roller as shown below.9. Take out the Pressure Roller as shown bel

5-14Disassembly and ReassemblySamsung ElectronicsService Manual5.17 Exit Drive1. Before you remove the Exit Driver, you shouldremove:- Top Cover (Ref

5-15Samsung ElectronicsDisassembly and ReassemblyService Manual5.18 Exit Roller1. Before you remove the Exit Roller, you shouldremove:- Top Cover (Re

5-16Disassembly and ReassemblySamsung ElectronicsService Manual5.19 LSU1. Before you remove the LSU, you should remove:- Top Cover (Refer to the 5.13)

5-17Samsung ElectronicsDisassembly and ReassemblyService Manual5.20 Toner Sensor Board1. Before you remove the Toner Sensor Board, youshould remove:-

5-18Disassembly and ReassemblySamsung ElectronicsService Manual5.21 REGI Ass’y1. Before you remove the REGI Ass’y, you shouldremove:- Top Cover (Refer

5-19Samsung ElectronicsDisassembly and ReassemblyService Manual5.22 MP Pick Up Ass’y1. Before you remove the MP Pick Up Ass’y, you shouldremove:- MPF

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

5-20Disassembly and ReassemblySamsung ElectronicsService Manual6. First lift the left side of the Shaft and thenremove the Shaft.7. Push the idles tow

5-21Samsung ElectronicsDisassembly and ReassemblyService Manual5.23 Retard Ass’y1. Before you remove the Retard Ass’y, you shouldremove:- MPF Ass’y (R

5-22Disassembly and ReassemblySamsung ElectronicsService Manual5.24 Pick Up Unit1. Before you remove the Pick Up Unit, you shouldremove:- MPF Ass’y (R

5-23Samsung ElectronicsDisassembly and ReassemblyService Manual7. Remove the locking equipment rotate the FeedRoller and Pick Up Roller Shaft’s in the

5-24Disassembly and ReassemblySamsung ElectronicsService Manual5.25 Engine Shield1. Before you remove the Engine Shield, you shouldremove:- ICU Shield

5-25Samsung ElectronicsDisassembly and ReassemblyService Manual5.26 Engine Board1. Before you remove the Engine Board, you shouldremove:- Engine Shiel

666-1Samsung ElectronicsALIGNMENT & ADJUSTMENTSService Manual6. Alignment and AdjustmentsThis chapter describes the main functions for service, su

6-2ALIGNMENT & ADJUSTMENTSSamsung ElectronicsServiceManual6.1.2 How to use EDC (Engine Diagnostic Control) Mode Tray3 InterfaceInterface TestPatte

6-3Samsung ElectronicsALIGNMENT & ADJUSTMENTSService Manual6.1.2.1 Interface Test (Main controller and Tray3 controller)- This Function is used t

6-4ALIGNMENT & ADJUSTMENTSSamsung ElectronicsServiceManual6.1.2.3 Motor & Fan Test- These Functions are used to check the present state (no

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

6-5Samsung ElectronicsALIGNMENT & ADJUSTMENTSService Manual6.1.2.4 Solenoid & Clutch Test- These Functions are used to check the present sta

6-6ALIGNMENT & ADJUSTMENTSSamsung ElectronicsServiceManual6.1.2.5 Sensor Test- These Functions are considered to check the present state (normal

6-7Samsung ElectronicsALIGNMENT & ADJUSTMENTSService Manual6.1.2.6 HVPS Test Item : High Voltage Power Supply- These Functions are used to check

6-8ALIGNMENT & ADJUSTMENTSSamsung ElectronicsServiceManual6.2 Paper PathLSU솔레노이드솔레노이드Toner CartridgeToner CartridgeMPFFuserFuserLSUToner Cartrid

6-9Samsung ElectronicsALIGNMENT & ADJUSTMENTSService Manual• Simplex1) A paper is fed from a cassette or MPF by a printing order.2) The fed paper

6-10ALIGNMENT & ADJUSTMENTSSamsung ElectronicsServiceManual6.2.1 Clearing Paper JamsWhen a paper jam occurs,the display on the control panel show

6-11Samsung ElectronicsALIGNMENT & ADJUSTMENTSService Manual• In the Optional Tray21. Pull the optional Tray2 out of the printer.2. If you see the

6-12ALIGNMENT & ADJUSTMENTSSamsung ElectronicsServiceManual6.2.1.3 Around the Toner Cartridge (Jam1)1. Open and close the top cover,and the jamme

6-13Samsung ElectronicsALIGNMENT & ADJUSTMENTSService Manual6.2.1.4 In the Paper Exit Area (Jam 2)1. If a long portion of the paper is visible,pu

6-14ALIGNMENT & ADJUSTMENTSSamsung ElectronicsServiceManual6.2.1.5 In the Duplex Area• Duplex Jam 11. Open the rear output tray.2. Remove the jam

2-3Samsung ElectronicsREFERENCE INFORMATIONService Manual2.3 Selecting a LocationSelect a level,stable place with adequate space for air circulation.

6-15Samsung ElectronicsALIGNMENT & ADJUSTMENTSService Manual6.3 Sample PatternThis product has the several sample patterns for maintenance. With

6-16ALIGNMENT & ADJUSTMENTSSamsung ElectronicsServiceManual6.3.3 Checking the toner cartridge countInformation about the 'toner cartridge c

6-17Samsung ElectronicsALIGNMENT & ADJUSTMENTSService Manual6.3.3.5 A checking method of a toner remaining amount(1) Check a configuration sheet.(

6-18ALIGNMENT & ADJUSTMENTSSamsung ElectronicsServiceManualCOMPONENT REPLACEMENT CYCLEPick-up Roller 100,000 PagesPaper Feeding Roller(Friction Pa

6-19Samsung ElectronicsALIGNMENT & ADJUSTMENTSService Manual6.5 Periodic Defective ImageIf the delinquent image regularly occurs in the printed-pa

6-20ALIGNMENT & ADJUSTMENTSSamsung ElectronicsServiceManual

777-1Samsung ElectronicsTROUBLESHOOTINGService Manual7. Troubleshooting7.1 The cause and solution of Bad image 7.1.1 Vertical Black Line and Band •

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

2-4REFERENCE INFORMATIONSamsung ElectronicsService Manual2.4 The Sample Pattern for the TestThe sample pattern shown in below is the standard pattern

7-5Samsung ElectronicsTROUBLESHOOTINGService Manual7.1.9 Ghost (1) • Description Ghost occurs at 95 mm intervals of the OPC drum in the whole printin

7-6TROUBLESHOOTINGSamsung ElectronicsService Manual7.1.11 Ghost (3) : Fuser• Description Ghost occurs at 82 or 92 mm intervals.Digital PrinterDigital

7-7Samsung ElectronicsTROUBLESHOOTINGService Manual7.1.13 Satins on Back of Page • Description The back of the page is stained at 57 or 92 mm interval

7-8TROUBLESHOOTINGSamsung ElectronicsService Manual7.2 The cause and solution of the bad discharge7.2.1 Wrong Print Position• Description Printing

7-9Samsung ElectronicsTROUBLESHOOTINGService Manual7.2.4 JAM 2 • Description1. Recording paper is jammed in front of or inside the fuser.2. Recordin

7-10TROUBLESHOOTINGSamsung ElectronicsService Manual7.2.6 JAM Duplex 2• DescriptionA message 'Jam duplex 2' is displayed in a LCD window

7-11Samsung ElectronicsTROUBLESHOOTINGService Manual7.2.7 Multi-Feeding • Description Multiple sheets of paper are fed at once.Check and Cause Solut

7-12TROUBLESHOOTINGSamsung ElectronicsService Manual7.2.9 Paper rolled on the OPC Drum• Description Paper is rolled up in the OPC.Check and Cause S

7-13Samsung ElectronicsTROUBLESHOOTINGService Manual7.3 The cause and solution of the malfunction7.3.1 Fuser Error• DescriptionA message "Open fu

7-14TROUBLESHOOTINGSamsung ElectronicsService Manual7.3.3 Not function of the gear of the fuser due to melting away• DescriptionThe motor breaks away