Samsung ML-1700 Main PBA PCL Model, Sdram Regulator Clock Generator Buffer Motor Drive

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S U M M A RY OF PRO D U C T

4.4 Main PBA (PCL Model)

IC-LINE TRANSCEVIER		RC-NETWORK

IC-USC	USB CLK 30MHz

		VIDEO CLK 14.7456MHz
		VIDEO CLK 14.7456MHz

IC-VOLTAGE COMP

SCHMITT INVERT

CPU(SPGPm)

FONT ROM

		MEMORY		FLASH	MAIN CLK 12MHz
		MEMORY		FLASH

	SDRAM			REGULATOR	CLOCK GENERATOR
	SDRAM			REGULATOR


	BUFFER		MOTOR DRIVE
			IC

Service Manual

4-12

Samsung Electronics

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Contents Specifications PrecautionsTroubleshooting Block DiagramElectronics 2003 Precautions Precaution related electric shock or fire Precaution related noxious materialPrecaution when assembly/disassembly Precaution related handling the machineESD Precautions DCUDiagnostic Control Unit Driver Tool for TroubleshootingLSU Acronyms and Abbreviations1 A4 5% Pattern Sample Pattern for the Test2 A4 2% Pattern 3 A4 IDC Pattern Samsung Electronics General Specifications SpecificationsEnvironmental Range Controller SpecificationElectrical Specification Toner Cartridge Developer Paper Handling SpecificationsSpecifications Front View Printer ComponentsInside View Rear ViewControl Panel On Line/Error and Toner Save LEDsPrinting demo Cancel buttonFuser System LayoutTransfer Ass’y Feeding PartDriver Ass’y Fixing PartFuserLSU Laser Scanner Unit Safety Relevant FactsToner Cartridge Main Pbaspl Model Flash Memory Asic JupiterSdram Sensor input circuitPaper Exit Sensing Paper Feeding, Toner Cartridge SensingCover Open Sensing DC FAN / Solenoid DrivingSdram Regulator Clock Generator Buffer Motor Drive Main PBA PCL ModelML-1710 ML-1510 ML-1750 Memory AsicSPGPmAHB BUS SPGPm Internal Block DiagramSmps & Hvps HVPSHigh Voltage Power Supply Rated Power Output SMPSSwitching Mode Power SupplyConsumption Power Length of Power Cord 1830 ± 50mm Power Switch UseFuser AC Power Control Drive Engine F/WTransfer FeedingPID Method FusingHeat Lamp Method 5 LSU What is the Q-PID Method?Whenever servicing the machine, you must perform as follows General Precautions on DisassemblyReleasing Plastic Latches Top Cover FuserHeat Lamp Type FuserFuserQ-PID Type Unplug Thermister Harness from the Fuser cover LSU Exit RollerDriver Ass’y FanMain PBA Engine Shield Ass’ySmps Transfer Roller Feed Roller Pick Up Roller & Solenoid DCU Setup How to use DCUNormal Code Error CodeCode Code Description Self Diagnostic Mode13 THV+ TRIGGER. ALL HV Functi on Enter Up/ Dow n Stop Remar k Self Test ButtonPaper OutFace Up Paper PathPaper Exit Area JAM2 Clearing Paper JamsAround the Toner Cartridge JAM1 Paper Feed Area JAM0Tips for Avoiding Paper Jams Printing a Demo Sample PatternPrinting a cleaning sheet LED Status Display by Each Error Consumables and Replacement PartsRoller Defective image Typical defect Periodic Defective ImageSamsung Electronics Vertical White Line Bad imageVertical Black Line and Band Black/White Spot Horizontal Black BandDark Image or a Black Light ImageBackground Uneven DensityGhost Satins on the Face Blank Page Print out Satins on Back2 JAM Bad dischargeWrong Print Position 4 JAM 3 JAMPaper rolled in the Fuser Multi-FeedingPaper rolled in the Toner Cartridge OPC Drum Malfunction All LEDs blinking Fuser ErrorAll LEDs blinking Scan Error Paper Empty without indication Not function of the gear of the fuser due to melting awayPaper Empty Cover Open No lamp on when the cover is openDefective motor operation No PowerVertical Line Getting Curved Precautions on Safe-keeping of Toner Cartridge Toner Cartridge ServiceService for the Life of Toner Cartridge Redistributing TonerImage Signs and Measures at Poor toner cartridgeFault Signs Cause & Check Solution White Black spot Printer is not working Bad Environment of The SoftwareUtilities program Abnormal Printing How to delete the data in the spool manager Spool ErrorExploded Views and Parts List 11-1 11-2 11-3 Main Assembly Parts List Unit Assembly Frame Unit Assembly Parts List Frame Unit Assembly Parts ListCont Drive Unit Assembly Parts List Drive Unit AssemblyCassette Unit Assembly Cassette Unit Assembly Parts List Fuser Unit Assembly Fuser Unit Assembly Parts List Samsung Electronics 9Block Diagram 9.1 PCL Model Motor DR PART’S SPL ModelPCL Model Connection DiagramComputer PCL Main Circuit Diagram 1/7 Schematic DiagramsPCL Main Circuit Diagram 2/7 PCL Main Circuit Diagram 3/7 PCL Main Circuit Diagram 4/7 PCL Main Circuit Diagram 5/7 PCL Main Circuit Diagram 6/7 PCL Main Circuit Diagram 7/7 SPL Main Circuit Diagram 1/5 SPL Main Circuit Diagram 2/5 SPL Main Circuit Diagram 3/5 SPL Main Circuit Diagram 4/5 SPL Main Circuit Diagram 5/5 THV Hvps Circuit Diagram 1/24KV Hvps Circuit Diagram 2/2Smps Circuit Diagram 110V 1/2 CON2-14MANUAL CON2-25EXIT Smps Circuit Diagram 110V 2/2