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Samsung ML-1700 PCL Main Circuit Diagram 2/7, S C H E M Atic Diag R A M S, Service Manual, 11-2

Models: ML-1700

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S C H E M ATIC DIAG R A M S

PCL Main Circuit Diagram (2/7)

Service Manual

11-2

Samsung Electronics

Page 106

Image 106

Samsung ML-1700 PCL Main Circuit Diagram 2/7, S C H E M Atic Diag R A M S, Service Manual, Samsung Electronics, 11-2

Contents

Troubleshooting PrecautionsSpecifications Block DiagramVERSION NO ELECTRONICShttp//itself.sec.samsung.co.kr CODE JC-0093APage 11. Precautions 1.1 Warning for safety1.2.1 Precaution related noxious material 1.2 Caution for safety1.2.2 Precaution related electric shock or fire 1.2.3 Precaution related handling the machine 1.2.4 Precaution when assembly/disassembly1.3 ESD Precautions 1 DCUDiagnostic Control Unit 2.1 Tool for Troubleshooting22. Reference Information 4 Driver2.2 Acronyms and Abbreviations 2.3 The Sample Pattern for the Test 2.3.1 A4 5% PatternREFERENCE INFORMATION 2.3.2 A4 2% PatternService Manual Samsung ElectronicsREFERENCE INFORMATION 2.3.3 A4 IDC PatternService Manual Samsung ElectronicsREFERENCE INFORMATION Service ManualSamsung Electronics 3.1 General Specifications 33. SpecificationsDESCRIPTION 3-4 Environmental Range 3.2 Controller Specification3.3 Electrical Specification DESCRIPTIONDIMENSIONS 2-Paper Handling Specifications3.5 TONER Cartridge Developer WEIGHTService Manual SpecificationsSamsung Electronics 4.1.1 Front View 44. Summary of Product4.1 Printer Components Front Cover Power switch Manual Feeder guide Manual FeederRear output tray Face up Power receptacle Parallel port 4.1.2 Rear View4.1.3 Inside View Service ManualDescription 4.1.3 Control Panel1 On Line/Error and Toner Save LEDs Cleaning inside printer 2 Cancel buttonPrinting configuration sheet Canceling print jobFuser 4.2 System LayoutL S U S U M M A RY OF PRO D U C T4.2.3 Driver Ass’y 4.2.1 Feeding Part4.2.2 Transfer Ass’y 4.2.4 Fixing PartFuser4.2.5 LSU Laser Scanner Unit 4.2.4.5 Safety Relevant Facts4.2.6 Toner Cartridge 4.3 Main PBASPL Model 4.3.3 SDRAM 4.3.1 ASIC Jupiter4.3.2 Flash Memory 4.3.4 Sensor input circuit5 Cover Open Sensing 3 Paper Feeding, Toner Cartridge Sensing4 Paper Exit Sensing 6 DC FAN / SOLENOID DrivingRC-NETWORK 4.4 Main PBA PCL ModelIC-LINE TRANSCEVIER IC-USCU6 CN2 U27 CN3 U7 CN4 ML-1710 ML-1510ML-1750 OSC2 U31 ARM946ES 4.4.1 AsicSPGPm4.4.2 Memory 2 Dual bus architecture for bus traffic distributionAHB BUS 4.4.4 SPGPm Internal Block DiagramS U M M A RY OF PRO D U C T Samsung Electronics4.5 SMPS & HVPS 1 Transfer High Voltage THV+ 4.5.1 HVPSHigh Voltage Power Supply3Cleaning Voltage THV 2 Charge Voltage MHV3 Consumption Power 4.5.2 SMPSSwitching Mode Power Supply2 Rated Power Output 4 Length of Power Cord 1830 ± 50mm 5 Power Switch Use1 Triac THY1 feature 4.5.3 Fuser AC Power Control6 Feature 7 Environment Condition4.6.3 Transfer 4.6 Engine F/W4.6.2 Drive 4.6.1 FeedingError 4.6.4 FusingError 4.6.4.1 Heat Lamp MethodError 4.6.5 LSU4.6.4.3 What is the Q-PID Method? Toner55. Disassembly and Reassembly 5.1 General Precautions on DisassemblyService Manual 5.2 Top CoverDisassembly and Reassembly Samsung Electronics5.3 Fuser 5.3.1 FuserHeat Lamp TypeService Manual 5.3.2 FuserQ-PID TypeDisassembly and Reassembly Samsung Electronics7. Unplug Thermister Harness from the Fuser cover 5.5 LSU 5.4 Exit RollerLED PBA Cover 5.7 Driver Ass’y 5.6 FanDrive Assy 5.9 Main PBA 5.8 Engine Shield Ass’yMain PBA Service Manual 5.10 SMPSDisassembly and Reassembly Samsung Electronics5.11 Transfer Roller BushIdle Gear 5.12 Feed RollerGuide paper Feed Gear1Pick up Gear 5.13 Pick Up Roller & SolenoidFeed Bracket Manual6.1.1 DCU Setup 66. Alignment and Adjustments6.1 How to use DCU ML SERIES DIAGNOSTIC CONTROL UNITState 6.1.2 CodeCode DescriptionDescription 6.1.3 Self Diagnostic ModeCode Main Motor Operating SystemCode Description6.1.4 Self Test Button Fuser 6.2 Paper PathL S U Paper Input Cassette6.3 Clearing Paper Jams 6.3.1 In the Paper Exit Area JAM26.3.2 In the Paper Feed Area JAM0 6.3.3 Around the Toner Cartridge JAM16.3.4 Tips for Avoiding Paper Jams 6.4 Sample Pattern 6.4.1 Printing a Demo Page6.4.2 Printing a cleaning sheet System Data List PCL Model OnlyREPLACEMENT CYCLE 6.5 Consumables and Replacement Parts6.6 The LED Status Display by Each Error ERRORService Manual 6.7 Periodic Defective ImageALIGNMENT & ADJUSTMENTS L S U6-14 ALIGNMENT & ADJUSTMENTSService Manual Samsung ElectronicsSolution 77. Troubleshooting7.1 Bad image SolutionDigital Printer SolutionSolution Digital Printer Digital Printer Digital Printer Digital PrinterDigital Printer Digital Printer Digital Printer Digital Printer SolutionSolution Digital PrinterDigital Printer Digital Printer Digital Printer Digital Printer SolutionSolution Digital PrinterDigital Printer SolutionSolution Digital PrinterSolution SolutionSolution Digital PrinterSolution SolutionSolution DigitalSolution 7.2 bad dischargeSolution Check and CauseDescription SolutionSolution Check and Cause7.2.5 Multi-Feeding SolutionSolution 7.2.6 Paper rolled in the Fuser7.2.7 Paper rolled in the Toner Cartridge OPC Drum SolutionCheck and Cause Solution 7.3 MalfunctionSolution error code 95 is displayed, replace LSUSolution SolutionSolution DescriptionDescription SolutionSolution Check and CauseDescription SolutionSolution Check and CauseService Manual SolutionWhen printing, vertical line gets curved Description7.4.2 Service for the Life of Toner Cartridge 7.4 Toner Cartridge Service7.4.1 Precautions on Safe-keeping of Toner Cartridge 7.4.3 Redistributing TonerSolution 7.4.4 Signs and Measures at Poor toner cartridgeFault SignsSigns FaultSolution Cause & Check7.5.1 The printer is not working 7.5 Bad Environment of The SoftwareSolution DescriptionDescription Solution7.5.2 The printer is not working Check and CauseDescription Solution7.5.3 Abnormal Printing Check and CauseHow to delete the data in the spool manager 7.5.4 SPOOL ErrorSolution Description8. Exploded Views and Parts List Service Manual Samsung ElectronicsSEC.Code Main Assembly Parts ListDescription Remark8.2 Frame Unit AssemblyService Manual PA RTS LISTSEC.Code Frame Unit Assembly Parts ListDescription RemarkSEC.Code Frame Unit Assembly Parts ListContDescription RemarkDescription 8.3 Drive Unit AssemblyDrive Unit Assembly Parts List SEC.CodeE X P LODED VIEW & PA RTS LIST 8.4 Cassette Unit AssemblyService Manual Samsung ElectronicsSEC.Code Cassette Unit Assembly Parts ListDescription Remark10 9 8.5 Fuser Unit AssemblyService Manual E X P LODED VIEW & PA RTS LISTSEC.Code Fuser Unit Assembly Parts ListDescription Remark8-12 Service ManualE X P LODED VIEW & PA RTS LIST Samsung ElectronicsFUSER ASS’Y 9.9Block Diagram 9.1 PCL ModelService Manual Samsung ElectronicsFUSER ASS’Y 9.2 SPL ModelService Manual SMPS PART’sService Manual 1010. Connection Diagram10.1 PCL Model 1 LSUHOST 10.2 SPL ModelCOMPUTER Service ManualService Manual 1111. Schematic Diagrams11.1 PCL Main Circuit Diagram 1/7 S C H E M ATIC DIAG R A M SS C H E M ATIC DIAG R A M S PCL Main Circuit Diagram 2/7Service Manual Samsung ElectronicsS C H E M ATIC DIAG R A M S PCL Main Circuit Diagram 3/7Service Manual Samsung ElectronicsS C H E M ATIC DIAG R A M S PCL Main Circuit Diagram 4/7Service Manual Samsung ElectronicsS C H E M ATIC DIAG R A M S PCL Main Circuit Diagram 5/7Service Manual Samsung ElectronicsS C H E M ATIC DIAG R A M S PCL Main Circuit Diagram 6/7Service Manual Samsung ElectronicsS C H E M ATIC DIAG R A M S PCL Main Circuit Diagram 7/7Service Manual Samsung ElectronicsS C H E M ATIC DIAG R A M S 11.2 SPL Main Circuit Diagram 1/5Service Manual Samsung ElectronicsS C H E M ATIC DIAG R A M S SPL Main Circuit Diagram 2/5Service Manual Samsung ElectronicsS C H E M ATIC DIAG R A M S SPL Main Circuit Diagram 3/5Service Manual Samsung ElectronicsS C H E M ATIC DIAG R A M S SPL Main Circuit Diagram 4/5Service Manual Samsung ElectronicsS C H E M ATIC DIAG R A M S SPL Main Circuit Diagram 5/5Service Manual Samsung Electronics11.3 HVPS Circuit Diagram 1/2 430 THV-senMHV-sen HVPS Circuit Diagram 2/224VS MHV-PWMService Manual 11.4 SMPS Circuit Diagram 110V 1/2Humming-V1 SMPS circuit diagram S C H E M ATIC DIAG R A M S3.3V SMPS Circuit Diagram 110V 2/2CON2-16LED-READY CON2-18LED-ERROR CON2-21LED-TONER SAVE CON2-2PAPER EMPTY