Samsung ML-1200, ML-1210 specifications Pcl, PCL Connection DiagramML-1250

Page 58

CONNECTION DIAGRAM

2-2 PCL Connection Diagram(ML-1250)

IEEE1284

COMPATI ABLE

CABLE

		HOST				USB CABLE
		COMPUTER
		COMPUTER			+5V


			1
		DCU	2		DCU_DATA
		DCU	3		DCU_CLK
			3		+5V GND
			4		+5V GND
			4
					+5V
					+5V
		SENSOR	1			PEMPTY*
		SENSOR	2

		BOARD	3			FEED_SENSOR*
		BOARD	3		+5V GND
			4		+5V GND
			4		+24V



		COVER	1
			1		Not Use d
			2		Not Use d
		SWITCH	2		+24VS
		SWITCH	3		+24VS
			3		THERM_A



	THERMI STOR		1		THERM_B
			2		+24V_SLEEP


			1		+24V GND
			2		+24V GND
			2		THV PWM
			3		THV PWM
			3		THV_EN*
		HV PS	4		THV_EN*
		HV PS	5		THVRE AD
			6		M HVPWM*
			6		BI ASPW M
			7		BI ASPW M
			8		+5V
			9		+5V GND
			9

36	J1
PI N

4PI N CONNECTOR- CN7

for

USB

1

23 CN9

4PCL

Main

1Board

23 CN6

4

1		CN8
2		CN8
3
1		CN11
1		CN11
2
1
1
2
43		CN2
5
6
7
8
9

CN12

CN5

CN4

CN3

				+24V_SLEEP
1				+24V_SLEEP							1
1				+24V GND							1						POLYGON
2				+24V GND							2						POLYGON
3				PMOTOR*							3						MOTOR
3				LREADY*							3
4				LREADY*							4
5				EXT_C LK							5												LSU
6											1												LSU
				HSYNC*
				HSYNC*
7				+5V							2
7				+5V GND							2
8				+5V GND							3						LD DIODE
8				LD_ON*							3						LD DIODE
9											4
10				VDO							5
10				+5V GND							5
11				+5V GND							6
11				+5V							6


	1											1
	1			+5V GND								1
	2			+5V GND								2
	2			LED_ERROR								2
	3			LED_ERROR								3							LED
	3			LED_PAPER								3
	4											4

	5			LED_DATA								5							DISPLAY
	5			LED_TONER								5
	6											6

	7			KEY_TONER*								7							PANEL
	8			KEY_CANCEL*								8							PANEL
	9			KEY_DEMO*								9
	9			+5V								9



	1			PTL									1				PTL LEDARRAY
	2			PTL									2
	2			+5V GND									2



1
1											1
2				+5V							2
				+5V
				+5V GND
3											3
3											3
4				+5V							4


				+5V GND
5											5

				+5V
6											6
6											6
7				+24V GND							7
7				+24V GND							7
8				+24V							8						SMPS																	FUSER									CN502
9				+24V GND							9						SMPS
10				+24V							10
11				+24V GND							11
12				+24V							12								CN5
13				EXIT							13								CN5
14				+24VS							14
15				FUSER ON							15
				FUSER ON
				+24VS
16											16

				MOTOR B*
17				CLUTCH							17																						SOL E-										CN1
17											17																						SOL E-
18											18																							NOID
18				MOTOR_PB							18																							NOID
19				MOTOR_PB							19
19				FAN							19
20				FAN							20						ENGINE																	STEP-
20				DEV_FUSE							20																							STEP-
21				DEV_FUSE							21																								PING								CN2
21				MOTOR_A*							21																								PING								CN2
22				MOTOR_A*							22																							MOTOR
22				NEW_DVE*							22																							MOTOR
23											23
23											23
24				MOTOR_PA							24																					DEV_FUSE											CN3


																																				FAN							CN4
																																				FAN							CN4

																						ENGI NE + SMPS
																					Unification B' d

Repair Manual

2-2

Samsung Electronics

Image 58

Contents Laser Printer Version no This manual is stated and provided for service description Safety Precautions Safety PrecautionsPrecautions on Disassembly and Reassembly Replacing PrecautionsTools for Troubleshooting Electronic ScalePaper ML-1210 ML-1220M ML-1250 EngineController TonerFront Cover Cover AssemblyOther Covers LED Panel PBA LSULaser Scanning UnitMotor Assembly Transfer RollerFuser Assembly Hvps BoardThermostat and Halogen Lamp Smps Board Main Board and Sensor Board Cause and solution of the bad discharge How to use DCUCause and solution of Bad image Cause and solution of the malfunctionDCU Setup How to use DCUCode Self Diagnostic Mode PTL Test Self Test ButtonPaper Path Layout Fan TestVertical Black Line and Band Cause and solution of Bad imageCheck and Cause Solution Vertical White LineHorizontal Black Band Black/White SpotLight Image Dark Image or a BlackUneven Density BackgroundGhost Terminal of the supply roller Satins on the FaceDescription Digital Printer Satins on Back Blank Page Print outWrong Print Position Cause and solution of the bad discharge2 JAM 3 JAM 4 JAMMulti-Feeding Paper rolled in the fuser7 OPC All LEDs blinking Fuser Error Cause and solution of the malfunctionAll LEDs blinking Scan Error Paper Empty Not function of the gear of the fuser due to melting awayPaper Empty without indication No lamp on when the cover is open Cover OpenNo Power Defective motor operationVertical Line Getting Curved Precautions on Safe-keeping of Toner Cartridge Toner Cartridge ServiceService for the Life of Toner Cartridge Partially blank Fault Signs Cause & Check Solution Light imageSigns and Measures at Poor toner cartridge ImageFault Signs Cause & Check Solution White Black spot Recycled productFault Signs Cause & Check Solution Ghost & Image Cause and solutions of bad environment of the software Printer is not workingUtilities program Abnormal Printing Spool Error How to delete the data in the spool managerExploded Views and Parts List Exploded Views and Parts List Service Parts ListExploded Views and Parts List Front Assembly No DescriptionEngine/Frame Lower Assembly 15-2 15-1 14-2 Shield Engine Unit Assembly RX Drive Assembly Plate-Upper Unit AssemblyBlock Diagram Block DiagramGDIBlock DiagramPCL PanelConnection Diagram Connection DiagramGDIConnection DiagramPCL LSURepair Manual Diagram 1250 Connection Diagram GDI Connection DiagramML-1210/ML-1220MPCL Connection DiagramML-1250 PCLSchematic 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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