Samsung ML-2552W Spécifications

SERVICELASER PRINTERML-2550ML-2551NML-2552WManualLASER PRINTER CONTENTS1. Precautions2. Reference Information3. Specifications4. Summary of product5.

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

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

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

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

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

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

2-5Samsung ElectronicsReference InformationService Manual2.4.2 A4 2% Patten

888-1Samsung ElectronicsEXPLODED VIEW & PARTS LISTService Manual8. Exploded Views and Parts List8.1 Main Assembly . . . . . . . . . . . . . .

8-2EXPLODED VIEW & PARTS LISTSamsung ElectronicsService Manual8.1 Main Assembly716113238301318 86032-12-22453-13-23-33-43-43-53-611414-214-114-317

8-3Samsung ElectronicsEXPLODED VIEW & PARTS LISTService ManualNo. Description SEC.Code Q’ty SA Remark1 ELA HOU BASE-HOUSHING JC96-02695? 1 X ML-25

8-4EXPLODED VIEW & PARTS LISTSamsung ElectronicsService ManualNo. Description SEC.Code Q’ty SA Remark24 ELA UNIT-HOLDER TR R JC96-01729A 1 O24-1 P

8-5Samsung ElectronicsEXPLODED VIEW & PARTS LISTService Manual8.2 Base-Houshing Assembly11-11-21-31-31-181-41-51-61-71-121-131-141-141-161-175323-

8-6EXPLODED VIEW & PARTS LISTSamsung ElectronicsService ManualNo. Description SEC.Code Q’ty SA Remark0 ELA HOU BASE-HOUSHING JC96-02695T 1 X ML-2

8-7Samsung ElectronicsEXPLODED VIEW & PARTS LISTService Manual8.3 Frame Assembly (1)12662-172-22-22-32-42-4 -12-4-22-4-37-17-27-37-87-47-57-67-751

8-8EXPLODED VIEW & PARTS LISTSamsung ElectronicsService ManualFrame Assembly (2)5367686967-167-267-367-367-467-567-567-1367-767-967-667-767-867-12

8-9Samsung ElectronicsEXPLODED VIEW & PARTS LISTService ManualNo. Description SEC.Code Q’ty SA Remark0 ELA UNIT-FRAME BASE JC96-02627G 1 X 110VELA

8-10EXPLODED VIEW & PARTS LISTSamsung ElectronicsService ManualNo. Description SEC.Code Q’ty SA Remark24 AS-ROLLER EXIT_DUPLEX JC81-01732A 1 O25 I

2-6Reference InformationSamsung ElectronicsService Manual2.4.3 A4 LSA 5% Patten

8-11Samsung ElectronicsEXPLODED VIEW & PARTS LISTService ManualNo. Description SEC.Code Q’ty SA Remark64 CBF HARNESS-HVPS JC39-00247A 1 X65 CBF HA

8-12EXPLODED VIEW & PARTS LISTSamsung ElectronicsService Manual8.4 Fuser Assembly2-12-22-22-82-82-52-102-32-73-12-62-92-43-63-73-23-43-31-171-141-

8-13Samsung ElectronicsEXPLODED VIEW & PARTS LISTService ManualNo. Description SEC.Code Q’ty SA Remark0 ELA UNIT-FUSER JC81-01728A 1 O 110VELA UNI

8-14EXPLODED VIEW & PARTS LISTSamsung ElectronicsService ManualNo. Description SEC.Code Q’ty SA Remark4 MEA UNIT-BRK GEAR FU JC97-01720A 1 X4-1 RI

8-15Samsung ElectronicsEXPLODED VIEW & PARTS LISTService Manual8.5 Main Driver Assembly011525317467891016121314Harness-Main Motor11No. Description

8-16EXPLODED VIEW & PARTS LISTSamsung ElectronicsService Manual8.6 Exit Driver Assembly0412Harness-Motor345668910111279No. Description SEC.Code Q’

8-17Samsung ElectronicsEXPLODED VIEW & PARTS LISTService Manual8.7 Regi Assembly12123454181612181212672120178109151113140No. Description SEC.Code

8-18EXPLODED VIEW & PARTS LISTSamsung ElectronicsService Manual8.8 SMPS Assembly012-122-132-152-142-122-142-32-42-52-62-72-82-112-92-102-2 2-16

8-19Samsung ElectronicsEXPLODED VIEW & PARTS LISTService ManualNo. Description SEC.Code Q’ty SA Remark0 ELA HOU-SMPS_HVPS_V1(110V) JC96-02779A 1 O

8-20EXPLODED VIEW & PARTS LISTSamsung ElectronicsService Manual8.9 Cassette Assembly19192020111012121181113121114723242221 12792616172727121518652

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

8-21Samsung ElectronicsEXPLODED VIEW & PARTS LISTService ManualNo. Description SEC.Code Q’ty SA Remark0 ELA UNIT-CASSETTE(550) JC96-02845A 1 O1 FR

8-22EXPLODED VIEW & PARTS LISTSamsung ElectronicsService Manual8.10 SCF Assembly1051053231102101281033810218-124010110120272711122710-110410410-2

8-23Samsung ElectronicsEXPLODED VIEW & PARTS LISTService ManualNo. Description SEC.Code Q’ty SA Remark0 MEA UNIT-SECOND FEEDER JC96-02842A 1 X1 PM

8-24EXPLODED VIEW & PARTS LISTSamsung ElectronicsService ManualNo. Description SEC.Code Q’ty SA Remark35 ELA HOU-CST SENSOR HAWK16 JC96-02127A 1 X

9-1Samsung ElectronicsBlock DiagramService Manual999. Block DiagramADDR(0:31)SPGPiVoltageRegulatorUSB2.0ControllerDATA(16:31)nUSB_DACKIOCS,nRD,nWRUSB

9-2Block DiagramSamsung ElectronicsService Manual

10-1Samsung ElectronicsConnection DiagramService Manual101010. Connection Diagram1 3.3V2 BIN_FULL3 GND1 THERM1 12 GND 1 1 LSUCLK 12 THERM2 11 CART_CLK

10-2Connection DiagramSamsung ElectronicsService Manual

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

11-2Schematic DiagramsThis Document can not be used without Samsung’s authorization.Main Circuit Diagram(2/9)

2-8Reference InformationSamsung ElectronicsService Manual

Main Circuit Diagram(3/9) 11-3Schematic DiagramsThis Document can not be used without Samsung’s authorization.

11-4Schematic DiagramsThis Document can not be used without Samsung’s authorization.Main Circuit Diagram(4/9)

Main Circuit Diagram(5/9) 11-5Schematic DiagramsThis Document can not be used without Samsung’s authorization.

11-6Schematic DiagramsThis Document can not be used without Samsung’s authorization.Main Circuit Diagram(6/9)

Main Circuit Diagram(7/90) 11-7Schematic DiagramsThis Document can not be used without Samsung’s authorization.

11-8Schematic DiagramsThis Document can not be used without Samsung’s authorization.Main Circuit Diagram(8/9)

Main Circuit Diagram(9/9) 11-9Schematic DiagramsThis Document can not be used without Samsung’s authorization.

11-10Schematic DiagramsThis Document can not be used without Samsung’s authorization.R5095.6KDEV50KR51330KFR5161/2W15MFR510100KQ504C2316Q503C945C-YZD5

R302RD1/8W470KC302CE-103R213BLR1/2W30MR20810KZD2012.7VBQ203C2383D202D1NL20UD203D1NL20UZD3012.7VBD301D1NL20UQ302C2383C3043KV151R305MGR1/2W50MC305CE-104

11-12Schematic DiagramsThis Document can not be used without Samsung’s authorization.BD1D5SBA60CN1F2125V5AC6200V560uFR43W47KJC7630V103KC2250V104JD5200

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

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

11-14Schematic DiagramsThis Document can not be used without Samsung’s authorization.BD1D5SBA60CN1F2250V3.15AC6450V270uFR43W47KJC7630V103KC2250V104JD5

11-3 Network Card Circuit Diagram(1/5)11-15Schematic DiagramsThis Document can not be used without Samsung’s authorization.

11-16Schematic DiagramsThis Document can not be used without Samsung’s authorization.Network Card Circuit Diagram(2/5)

PLL OFFDEBUGNORMAL..XP I/FIEEE1284USB Disable1..ML-2152W ONLY.01Addr19Addr20Addr21Addr22018BIT16BITEDO DRAMSDRAM16BITSDRAMAddr17.01PLL ONUSB EnablePLL

11-18Schematic DiagramsThis Document can not be used without Samsung’s authorization.Network Card Circuit Diagram(4/5)

Network Card Circuit Diagram(5/5)11-19Schematic DiagramsThis Document can not be used without Samsung’s authorization.

11-20Schematic DiagramsThis Document can not be used without Samsung’s authorization.11-4 SCF PBA Circuit Diagram(1/2)

SCF PBA Circuit Diagram(2/2)11-21Schematic DiagramsThis Document can not be used without Samsung’s authorization.

11-22Schematic DiagramsThis Document can not be used without Samsung’s authorization.11-5 RAM DIMM Circuit Diagram(1/2)

3-2SpecificationsSamsung ElectronicsService Manual3.3 Electrical SpecificationITEM DESCRIPTION REMARKInput Voltage Nominal input voltage 220-240 VAC /

RAM DIMM Circuit Diagram(2/2)11-23Schematic DiagramsThis Document can not be used without Samsung’s authorization.

11-24Schematic DiagramsThis Document can not be used without Samsung’s authorization.11-6 Panel PBA Circuit Diagram

11-7 PS3 ROM Circuit Diagram11-25Schematic DiagramsThis Document can not be used without Samsung’s authorization.

11-26Schematic DiagramsThis Document can not be used without Samsung’s authorization.11-8 Connector PBA Circuit Diagram11-9 Cover Open Sensor Circuit

11-11 Exit Sensor Circuit Diagram11-10 Enpty Sensor Circuit Diagram11-27Schematic DiagramsThis Document can not be used without Samsung’s authorizatio

11-28Schematic DiagramsThis Document can not be used without Samsung’s authorization.11-12 OPC PBA Circuit Diagram11-13 Toner PBA Circuit Diagram

11-14 Zener PBA Circuit Diagram11-29Schematic DiagramsThis Document can not be used without Samsung’s authorization.

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

3-4SpecificationsSamsung ElectronicsService Manual

Copyright(c) 2003.09

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 portPower switchNetwork

4-3Samsung ElectronicsSummary of productService ManualDisplay : displays theprinter status and job inprogress.Buttons4.1.3 Control PanelThe control pa

4-4Summary of ProductSamsung ElectronicsService Manual4.1.3.2 ButtonsButton Description• Press to switch between on-line and off-line.• In menu mode,p

4-5Samsung ElectronicsSummary of productService Manual4.1.3.2 Using Control Panel MenusA number of menus are available to make it easy for you to cha

4-6Summary of ProductSamsung ElectronicsService Manual4.1.3.3 Overview of Control Panel MenusThe control panel menus are used to configure the printe

4-7Samsung ElectronicsSummary of productService Manual4.1.3.4 Special FeaturesYour new printer is equipped with special features that improve the pri

4-8Summary of ProductSamsung ElectronicsService ManualExpand the printer capacity• This printer has 32 MB of memory which can be expanded to 160 MB.•

4-9Samsung ElectronicsSummary of productService Manual4.2 System LayoutP/RP/RH/RH/RTransfer ransfer RollerRollerPick up Pick up RollerRollerPick up Pi

4-10Summary of ProductSamsung ElectronicsService Manual4.2.1 FeedingIt is consists of a basic cassette, an MP tray for supplying different types of me

© Samsung Electronics Co.,Ltd. September 2003Printed in Korea.VERSION NO. : 1.00 CODE : JC-0106A* This service manual is a property of Samsung Electr

4-11Samsung ElectronicsSummary of productService Manual4.2.2 TransferIt consists of a PTL (Pre-transfer Lamp) and a transfer roller. A PTL sheds ligh

4-12Summary of ProductSamsung ElectronicsService Manual4.2.6 Toner CartridgeBy using the electronic photo process, it creates a visual image. In the

4-13Samsung ElectronicsSummary of productService Manual4.3 Main BoardMain controller part is organized with Asic (SPGPi) part, Memory part, and Engin

4-14Summary of ProductSamsung ElectronicsService Manual4.3.1 ASIC (SPGPi)>> Power PC Comapatible Interface>> 3 Memory Bus ArchitecturROM

4-15Samsung ElectronicsSummary of productService Manual>> Timer3 Independent Programmable TimerWatch Dog Timer for S/W Trap and Tone Generator f

4-16Summary of ProductSamsung ElectronicsService Manual4.3.1.1 SPGPi Internal Block DiagramCPU I/FROM(4ch)ControllerExtermalDMAC(3ch)GEUIEEE1284UART(4

4-17Samsung ElectronicsSummary of productService Manual4.3.2. Memory part>> Flash Memory It stores the System Program.• Capacity: 2M Byte * 2• A

4-18Summary of ProductSamsung ElectronicsService Manual4.3.6. Sensor input circuit4.3.6.1. Paper Empty SensingThe Paper empty sensor (Photo Interrup

4-19Samsung ElectronicsSummary of productService Manual4.4 SMPS & HVPS board The SMPS and HVPS are in one united board. The SMPS part supplies th

4-20Summary of ProductSamsung ElectronicsService Manual4.4.1. HVPS(High Voltage Power Supply)1) Transfer high voltage (THV (+))- Function: It is a vo

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

4-21Samsung ElectronicsSummary of productService Manual4.4.2. SMPS(Switching Mode Power Supply)It is the power source for the whole system. It is an

4-22Summary of ProductSamsung ElectronicsService Manual>>Feature • Insulating resistance : over 50MΩ(at DC 500V) • Insulating revisiting pressu

4-23Samsung ElectronicsSummary of productService Manual4.5 Engine F/W4.5.1 FeedingIf feeding from a cassette, the drive of the pickup roller is contro

4-24Summary of ProductSamsung ElectronicsService Manual4.5.4 FusingThe temperature change of the heat roller’s surface is changed to the resistance va

4-25Samsung ElectronicsSummary of productService Manual

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 Open Cover. 2. Hold the lever at both ends of the rolle

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.

5-4Disassembly and ReassemblySamsung ElectronicsService Manual5.4 Retard Ass’y1. Remove two screws. Then lift the Roller Ass’y, asshown below.Notice:

5-5Samsung ElectronicsDisassembly and ReassemblyService Manual5.5 Cover-Right1. Pull the Cassette out of the printer.2. Remove two screws and take o

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

5-6Disassembly and ReassemblySamsung ElectronicsService Manual5.6 Main PBA1. Before you remove the Main PBA you shouldremove:- Cover-Right (Refer to

5-7Samsung ElectronicsDisassembly and ReassemblyService Manual5.7 Main Drive Ass’y1. Before you remove the Right Side Ass'y, you shouldremove:-

5-8Disassembly and ReassemblySamsung ElectronicsService Manual5.8 Connector PBA1. Before you remove the Connector PBA, you shouldremove:- Cover-Right

5-9Samsung ElectronicsDisassembly and ReassemblyService Manual5.9 Solenoid1. Before you remove the Connector PBA, you shouldremove:- Cover-Right (Ref

5-10Disassembly and ReassemblySamsung ElectronicsService Manual5.10 Cover-Left1. Pull the Cassette out of the printer.2. Remove two screws and take

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

5-12Disassembly and ReassemblySamsung ElectronicsService Manual5.12 Rear Cover1. Open the Rear Cover, and then take out theStopper.2. Remove the Rear

5-13Samsung ElectronicsDisassembly and ReassemblyService Manual5.13 Top Cover1. Before you remove the Top Cover, you shouldremove:- Cover-Right (Refe

5-14Disassembly and ReassemblySamsung ElectronicsService Manual5.14 Open Cover1. Before you remove the Open Cover, you shouldremove:- Top Cover (Refe

5-15Samsung ElectronicsDisassembly and ReassemblyService Manual5.16 Fuser Ass’y1. Before you remove the Fuser Ass’y, you shouldremove:- Rear Cover (R

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

5-16Disassembly and ReassemblySamsung ElectronicsService Manual6. Remove three screws and take out the Gearbracket.7. Remove two screws and divide the

5-17Samsung ElectronicsDisassembly and ReassemblyService Manual5.17 Exit Drive1. Before you remove the Exit Driver, you shouldremove:- Top Cover (Ref

5-18Disassembly and ReassemblySamsung ElectronicsService Manual5.18 Exit Roller1. Before you remove the Exit Roller, you shouldremove:- Top Cover (Re

5-19Samsung ElectronicsDisassembly and ReassemblyService Manual5.19 LSU1. Before you remove the LSU, you should remove:- Cover-Right (Refer to the 5.

5-20Disassembly and ReassemblySamsung ElectronicsService Manual5.20 Toner Sensor Board1. Before you remove the Toner Sensor Board, youshould remove:-

5-21Samsung ElectronicsDisassembly and ReassemblyService Manual5.21 REGI Ass’y1. Before you remove the REGI Ass’y, you shouldremove:- Top Cover (Refer

5-22Disassembly and ReassemblySamsung ElectronicsService Manual5.22 MP Pick-up Ass’y1. Before you remove the MP Pick-up Ass’y, you shouldremove:- MPF

5-23Samsung ElectronicsDisassembly and ReassemblyService Manual6. First lift the left side of the Shaft and thenremove the Shaft.7. Push the idles tow

5-24Disassembly and ReassemblySamsung ElectronicsService Manual5.23 Pick-up Ass’y1. Before you remove the Pick-up Unit, you shouldremove:- Cover-Right

5-25Samsung ElectronicsDisassembly and ReassemblyService Manual6. Lift Unit-Guide Front out in the direction of arrow asshown below.7. Remove the lock

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

5-26Disassembly and ReassemblySamsung ElectronicsService Manual5.24 Engine Shield1. Remove the Guide-Front-Dup.( Refer to the 5.23.5)2. Remove the Act

5-27Samsung ElectronicsDisassembly and ReassemblyService Manual5.25 Engine PBA1. Before you remove the Engine Shield, you shouldremove:- Engine Shield

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 Tray2InterfaceInterface TestPatter

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

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

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

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

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

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

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

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