Samsung ML-1210, ML-1200 specifications Panel, Block DiagramPCL

Page 51

Block Diagram

6-2. Block Diagram(PCL)

USB

PC	IEEE 1284 CABLE

PANEL

B' D

4 LED

3 KEY

			MAIN
	Oscillator
	48 MHz
	USB Driver			FLASH
	USBN9602-28M			MEMORY
				(2MB)
		Power		SDRAM
		On		( 4MB)
		On
	VOLTAGE	Reset		Option
	DETECTOR			Option
	DETECTOR			Up to
			C P U	Up to
			C P U	68MB
		Main	S3C46C0X01	74HCT273
	Oscillator	Clock	S3C46C0X01	74HCT273
	Oscillator	Clock		74ACT273
	20 MHz			74ACT273
		Video		Devided by
		Video		74HC406ON
	Oscillator	Clock		74HC406ON
	Oscillator	Clock
	44 MHz			Crystal
				Crystal
				6.7149 MHz
				MHVPWM
				BIASPWM
				THVPWM

POWER

+5V

SWITCH

POWER

+24V SMPS

IN-LET

CORD

EXIT

SENSOR

MOTOR

Engine

SOLENOID

FAN

DEV_FUSE

LSU


			MHV
			MHV

			OPC GND

HVPS			SUPPLY
			SUPPLY

B' D
			DEV
			DEV

			THV
			THV

6-2	Samsung Electronics

Image 51

Contents Laser Printer Version no This manual is stated and provided for service description Replacing Precautions Safety PrecautionsPrecautions on Disassembly and Reassembly Safety PrecautionsElectronic Scale Tools for TroubleshootingToner ML-1210 ML-1220M ML-1250 EngineController PaperCover Assembly Front CoverOther Covers LSULaser Scanning Unit LED Panel PBATransfer Roller Motor AssemblyHvps Board Fuser AssemblyThermostat and Halogen Lamp Smps Board Main Board and Sensor Board Cause and solution of the malfunction How to use DCUCause and solution of Bad image Cause and solution of the bad dischargeHow to use DCU DCU SetupCode Self Diagnostic Mode Fan Test Self Test ButtonPaper Path Layout PTL TestVertical White Line Cause and solution of Bad imageCheck and Cause Solution Vertical Black Line and BandBlack/White Spot Horizontal Black BandDark Image or a Black Light ImageBackground Uneven DensityGhost Satins on the Face Terminal of the supply rollerDescription Digital Printer Blank Page Print out Satins on BackCause and solution of the bad discharge Wrong Print Position2 JAM 4 JAM 3 JAMPaper rolled in the fuser Multi-Feeding7 OPC Cause and solution of the malfunction All LEDs blinking Fuser ErrorAll LEDs blinking Scan Error Not function of the gear of the fuser due to melting away Paper EmptyPaper Empty without indication Cover Open No lamp on when the cover is openDefective motor operation No PowerVertical Line Getting Curved Toner Cartridge Service Precautions on Safe-keeping of Toner CartridgeService for the Life of Toner Cartridge Image Fault Signs Cause & Check Solution Light imageSigns and Measures at Poor toner cartridge Partially blankRecycled product Fault Signs Cause & Check Solution White Black spotFault Signs Cause & Check Solution Ghost & Image Printer is not working Cause and solutions of bad environment of the softwareUtilities program Abnormal Printing How to delete the data in the spool manager Spool ErrorExploded Views and Parts List Service Parts List Exploded Views and Parts ListExploded Views and Parts List No Description Front AssemblyEngine/Frame Lower Assembly 15-2 15-1 14-2 Shield Engine Unit Assembly Plate-Upper Unit Assembly RX Drive AssemblyBlock DiagramGDI Block DiagramPanel Block DiagramPCLConnection DiagramGDI Connection DiagramLSU Connection DiagramPCLRepair Manual Diagram 1250 GDI Connection DiagramML-1210/ML-1220M Connection DiagramPCL PCL Connection DiagramML-1250Schematic Diagrams Main Circuit Diagram 2/5 Main Circuit Diagram 3/5 Main Circuit Diagram 4/5 Main Circuit Diagram 5/5 PC L Main Circuit Diagram 1/9 PCL Main Circuit Diagram 2/9 PCL Main Circuit Diagram 3/9 PCL Main Circuit Diagram 4/9 PCL MainCircuit Diagram 5/9 PCL Main Circuit Diagram 6/9 PCL Main Circuit Diagram 7/9 PCL Main Circuit Diagram 8/9 PCL Main Circuit Diagram 9/9 Hvps Circuit Diagram 1/2 Hvps Circuit Diagram 2/2 Smps Circuit Diagram No Marking Resistor 1/4W-J 5% Panel Circuit Diagram Page Samsung Electronics Digital Printing CS Group Contents

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