Samsung SCX-4200 manual Acronyms and Abbreviations

Page 142

Reference Information

11.2 Acronyms and Abbreviations

The table in the below explains abbreviations used in this service manual.

The contents of this service manual are declared with abbreviations in many parts. Please refer to the table.

ADC

Analog-to-Digital-Conversion

FCOT

First Copy Out Time

AP

Access Point

FFC

FLexiable FLat Cable

AC

Alternating Current

LAN

local area network

ASIC

Application Specific Integrated Circuit

LBP

Laser Beam Printer

ASSY

Assembly

EPP

Enhanced Parallel Port

BIOS

Basic Input Output System

F/W

Firmware

BLDC Motor

Brushless DC Motor

FCF/FCT

First Cassette Feeder/First

CIS

Contact Image Sensor

 

Cassette Tray

 

 

CMOS

Complementary Metal Oxide

FISO

Front-In, Side-Out

 

 

 

Semiconductor

FPOT

First Print out Time

CN

Connector

GDI

Windows Graphic Device Interface

CON

Connector

GIF

Graphic Interchange Format

CPU

Central Processing Unit

GND

Ground

dB

Decibel

HBP

Host Based Printing

dBA

A-Weighted decibel

HDD

Hard Disk Drive

dBm

Decibel milliwatt

HTML

Hyper Text Transfer Protocol

DC

Direct Current

HV

High Voltage

DCU

Diagnostic Control Unit

HVPS

High Voltage Power Supply

DIMM

Dual In-line Memory Module

I/F

Interface

DPI

Dot Per Inch

I/O

Input and Output

DRAM

Dynamic Random Access Memory

lb

Pound(s)

DVM

Digital Voltmeter

IC

Integrated Circuit

ECP

Enhanced Capability Port

ICC

International Color Consortium

ECU

Engine Control Unit

IDE

Intelligent Drive Electronics or

EEPROM

Electronically Erasable

 

Integrated Drive Electronics

 

 

 

Programmable Read Only Memory

IEEE

Institute of Electrical and

EMI

Electro Magnetic Interference

 

Electronics Engineers. Inc

 

 

EP

Electro photographic

IOT

Image Output Terminal (Color print-

 

er, Copier)

 

 

 

EPP

Enhanced Parallel Port

IPA

Isopropy Alcohol

 

 

 

 

 

 

11-2Service Manual

Samsung Electronics

Image 142
Contents Key Features Digital Laser MFPVersion no Contents Disassembly and Reassembly TroubleshootingConnection Diagram Block diagramExploded Views & Parts List Schematic DiagramPrecautions Safety WarningElectric Shock and Fire Safety Precautions Toxic materialHandling Precautions Assembly / Disassembly PrecautionsEnsure the printer is installed safely Be careful with the high temperature partWhen you move the printer Disregarding this warning may cause bodily injuryESD Precautions Super Capacitor or Lithium Battery PrecautionsProduct Specification Product OverviewSpecifications General SpecificationsPrint Specification Scan SpecificationCopy Specification CopyPaper Handiling Specification Other Specification Accessory ItemsSystem Outline Front ViewSensor Control Panel System Layout Scan PartDrive Ass’y Paper Feed MechanismTransfer Ass’y Fixing PartFuserPressure roller Safety Relevant FactsScanner Unit Scan Image ControllerLSU Laser Scanner Unit Toner Cartridge H/W Structure and Descriptions CPU PartIptop Ope Pannel ConfigurationScan Part Micom controllerPrinter Section AsicChorus 2 Block Diagram CPU UnitCopier Part Smps & HvpsHvps High Voltage Power Supply Smps Switching Mode Power Supply RemarkCH1+5V CH2+24V CH3+24VS System PrintingFuser AC Power Control S/W Structure and Descriptions ArchitectureEngine Print Processing Control Module Power on Initial Module2 S/W Overview Print Interface ModulePaper Size Engine Unit Control ModulePaper Type Accumulated Printing Pages Print ModeFunctional Requirements of Fixing Unit Fuser Handling Elapsed Printing TimeTemperature in the Warm-Up mode 3.6Temperature in the Stand-By mode3.8Environmental Index LSU Ready Check Functional Requirements for LSU ControlSequence of LSU module Functional Requirements of Environment Recognition Air Temperature Sensor Environment RecognitionTransfer Roller 6.1 MHV Functional Requirements of Power Save ModeFunctional Requirements of Hvps Control 6.2 THVFunctional Requirements of Fan Operation Functional Requirements of Toner CartridgeFunctional Requirements of OPC Drum Door OpenPaper Jam Checking Paper jamOut Bin Tray Full Paper Jam1Low Heat Error TemperatureOpen Heat Error Over Heat ErrorLSU Error Diagnostic Engine Test ModeTo enter the Engine Test Mode To enter the Engine Test modePaper Path Clearing Paper Jams Paper TrayPaper Exit Area Fuser Area or Around the Toner Cartridge Manual FeederClearing the Memory Printing the System Data ListClearing the Drum Consumables and Replacement Parts LCD Status Display by Each ErrorPeriodic Defective Image Roller Defective image Typical defectError Message Display Meaning Suggested solutionsDirect KEY ڌډڞڪګڴٻڟڤڭڠڞگٻڦڠڴ Releasing Plastic Latches General Precautions on DisassemblyWhenever servicing the machine, you must perform as follows Front Cover Rear Cove DC Fan Right Side Cover Left Side Cover Scanner Unit Remove the two screws securing the Scan Upper Unit Scan Motor Assy OPE Unit Middle Cover Unit Fuser Unwrap the Thermistor Harness, as shown below Exit Roller 12 LSU 13 Fan Drive AssyEngine Shield Assy Main PBASmps Crum PCB Transfer Roller Feed Roller Remove the Feed Gear1 Assy, as shown below Pick Up Roller & Solenoid Disassembly and Reassembly Vertical Black Lines and Bands Printing Problems Causes and SolutionsCheck and Cause Solution Vertical White LineBlack/White Spot Horizontal Black BandsDescription Digital Printer Light Image Dark Image or a BlackUneven Density BackgroundGhost Stains on the Face Digital Printer GhostStains on Back Blank Page Print outWhite Copy Copy ProblemsBlack Copy Abnormal noise Defective Image QualityWrong Print Position Paper Feed problems Causes and Solutions2 JAM 3 JAM 4 JAMMulti-Feeding Paper rolled in the fuserPaper rolled on the OPC Drum Fuser Error Printer Faults Causes and SolutionsLSU Error Fuser gear melts due to overheating causing Paper Jam Paper EmptyPaper Empty without indication Cover OpenNo error message when the cover is open No Power Defective motor operationPrinted Vertical Lines become curved Service for the Life of Toner Cartridge Toner Cartridge ServicePrecautions on Safe-keeping of Toner Cartridge Standard of guarantee for consumable partsSigns and Measures of Poor toner cartridge Fault Signs Cause & Check Solution Fault Signs Cause & Check Solution Ghost & Image Printer is not working Software Problems Causes and SolutionsAbnormal Printing Spool Error How to delete the data in the spool manager7Block Diagram 7.1 System Block Diagram OPEExploded Views and Parts List SCX-4200/XAX Main Exploded View Housing Base Exploded View 24 22 Fuser Unit Exploded View Drive Assembly Exploded View Scan Assembly Exploded View OPE Assembly Exploded View Cassette Assembly Exploded View Service Parts ListModel SCX-4200/XAX HOUSING-M-TERMINAL R2SCX-4920N,ABSNH-1 ROLLER-M-EXIT F/UPML-1710,PCGE EXL-911 SCREW-TAPTITEPWH,+,B,M3,L10,NI PLT,SWRC LABELP-NOMBOXCOMMON,XAX,ART,100G,0 CBF HARNESS-PTLML-1710,CBF,UL 1061,2P,2 LCD-DISPLAYXEVVHX1620BHRC9,SCX-5312F Diagram 9Connection 9.1 SCX-4200 ConnectionSchematic Diagrams 10.1 Main Board1/7Main Board2/7 Main Board3/7 Main Board4/7 Main Board5/7 Main Board6/7 Main Board7/7 OPE Circuit Diagram SMPS-110V1/4 SMPS-110V2/4 SMPS-110V3/4 SMPS-110V4/4 SMPS-220V1/4 SMPS-220V2/4 SMPS-220V3/4 SMPS-220V4/4 Driver Tool for TroubleshootingVacuum Cleaner Spring Hook TweezersAcronyms and Abbreviations IPC Select a location for the printer 11.4 A4 ISO 19752 Standard Pattern
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