Toshiba MR-3018 service manual Diagram, Circuit

Page 94

	1	SC-ACK
		SCAN-ST
	2
		TXD
	3
		SG
	4
		RXD
	5
		SG
	6
		DF-ACK
	7
		DF-REQ
	8
		SC-REQ
	9

SCANNER I/F

1
2
3
4
5
J71
6
7
8
9

PWA-F-DLG-623
	SC-ACK
	SCAN-START JAM-NO			1
	TXD	JAM-COM	CN72	2
	SG	DF-NO	CN72	J72
	SG	DF-NO		3
CN71	RXD	DF-COM		4
CN71	SG
	SG
	DF-ACK
	DF-REQ

NO			NC	Jam access cover
NO			NO	opening/closing switch
COM			COM
COM			COM
			SW1

June 2005 © TOSHIBA TEC

			CONECT
J42		10


		11	SG

		12
			+5V

		13
			+5V

		14	DG

		15	DG

		16	+24V

		17
			+24V

		18


		19	FG

		20

10

POWER SUPPLY

1

2
3
4	J70
5
6
7

	SC-REQ
	DFCNT(SG)	+24V	CN84		J84	1
	DFCNT(SG)
		FANON				2
		FANON				2
	SG	B(-)


	+5V					1

		BCOM				2
	+5V	BCOM				2

CN70		B	CN76		J76	3
	PG	B				3
	PG	A(-)
	PG	A(-)				4
	PG
	+24V	ACCM				5

		A				6
	+24V	A				6

+24V FANON

1

J69

2

1

J69

2

	B(-)	6
	BCOM
		5
	B
		4

	A(-)	J66
	ACCM	3
		2
	A
		1

Fan motor

M4

Original feed motor

M1

DOWNLOAD JIG

PWA-F-DLM-320

D0 1

D2 2

D4 3

D6 4

OE 5

A0 6

A2 7

A4 8

A6 9

	B(-)				1
	BCOM				2

	B	CN77		J77	3
	A(-)
					4
					4
MD[0]
MD[0]	ACCM				5
MD[2]	ACCM				5
MD[2]
MD[4]	A				6
MD[4]
MD[8]
MRD
MA[0]
MA[2]
MA[4]
MA[6]
MA[6]				1

	B(-)	6
	BCOM
		5
	B
		4

	A(-)	J65
	ACCM	3
		2
	A
		1

Read motor

M2

8 - 2

Diagram

A8 10

A10 11

A12 12

A14 13

A16 14

A18 15 SG 16 SG 17 D1 18 D3 19 D5 20 D7 21 CE 22

	MA[8]
	MA[8]	A1					2
	MA[10]	A1					2
	MA[10]
	MA[12]	B1			J78		3
	MA[14]		CN78
			CN78				4
		A3
	MA[16]	A3
	MA[16]	B3					5
	MA[18]	B3					5
	MA[18]
	SG	A2,B2					6
CN81	SG
	SG
	MD[1]
	MD[1]
	MD[3]
	MD[5]
	MD[7]
	DLCS

A1
B1	Original exit/reverse
A3	Original exit/reverse
B3	motor

A2,B2

M3

HARNESS DIAGRAM

8.2 Circuit

A1 23

A3 24

A5 25

A7 26

A9 27

A11 28

A13 29

A15 30

A17 31 SG 32 +5V 33 LED 34

MA[1]
MA[3]	+24V				1
MA[3]
MA[5]	PSOL-ON				2
MA[7]
MA[7]	PSOL-OFF	CN79		J79	3
MA[9]	PSOL-OFF	CN79		J79	3
MA[9]
MA[11]	+24V				4
MA[11]
MA[13]	GSOL-ON				5
MA[15]
MA[15]
MA[17]
DLCNT
+5V
LED

+24V PSOL-OFF PSOL-ON

+24V GSOL-ON

1
2	J98
3

1

J99

2

	1
J98	2
	3

1

J99

2

SOL1 Original pickup solenoid

SOL2 Gate solenoid

MR-3018 CIRCUIT DIAGRAM /

Image 94

Contents MR-3018 Toshiba TEC Corporation Page Page Contents Circuit Diagram / Harness Diagram Specification MR-3018 Specification June 2005 Toshiba TEC General Description Main ComponentsSectional View FLP2Electric Parts Layout Symbols and Functions of Various Components MotorsDiagram of Signal Blocks REQ ACK DF-REQ DF-ACK SCAN-ST CNT CPUDescription of Interface Signals Description of Operations OutlineOriginal feed motor drive section Read motor drive section Original exit/reverse motor drive section Original Size Detection Original tray width sensorA4 series width sizes mixed at A3 / A4 standard LT series ORG-SRS Flow Chart ON? YES Certain period YES Gate solenoid on Transport request Signal received? Exposure and scanning start Original END Description of Circuit Drive Circuit for Feed MotorDrive Circuit for Read Motor Drive Circuit for Exit Motor Drive Circuit for FAN MotorReset Circuit Drive Circuit for Pickup SolenoidDrive Circuit for Gate Solenoid Disassembly and Assembly CoverRear cover Pin Dial Clip Left cover Remove 2 screws and take off the left cover Original tray Take off the front cover Original reverse tray Take off the original tray Roller Pickup roller PM Take off the paper feeder unit Slide the pulley and remove 1 pin Separation roller PM Take off the paper feeder unit Feeder lower guide Take off the original tray Registration roller Take off the feeder lower guide Exit guide Pre-reading lower guide Connector Flange Upper guide Reverse registration Motor / Motor drive section Spring Remove 3 screws and then take off the bracket Spring Bushing Harness clamp Ring Bracket Screw Original exit/reverse motor M3 Solenoid Mark-off line Sensor/switch Remove 2 screws and take off the holder Jam access cover sensor Original empty sensor Actuator Connector Holder Original exit/reverse sensor Opening/closing PC Board Others Hinge stopperMR-3018 Disassembly and Assembly Adjustment Adjustment of PositionMR-3018 Adjustment June 2005 Toshiba TEC Loosen the hinge screws at the front side Match the screw hole positions June 2005 Toshiba TEC MR-3018 Adjustment Adjustment of Height ~0.5mm 0mmTurn it counterclockwise Heightened Adjustment of Skew 17 Chart OriginalShift the aligning plate in the direction of + MR-3018 Adjustment June 2005 Toshiba TEC Adjustment of the Leading Edge Position 24 Chart OriginalMR-3018 Adjustment June 2005 Toshiba TEC Adjustment of Horizontal Position Adjustment of Copy Ratio Adjustment of Radf Opening/Closing Sensor MR-3018 Adjustment June 2005 Toshiba TEC Troubleshooting Troubleshooting for Mechanical ErrorsTroubleshooting for Electrical Errors YES MR-3018 Troubleshooting June 2005 Toshiba TEC Maintenance and Rewriting ROM Periodic MaintenanceRewriting ROM Firmware Updating Circuit Diagram / Harness Diagram Assembly of PC BoardDiagram CircuitOriginal tray sensor Original tray width sensor Control PC Board Circuit MR-3018 Circuit Diagram / Harness Diagram MR-3018 Circuit Diagram / Harness Diagram June 2005 Toshiba TEC MR-3018 Circuit Diagram / Harness Diagram June 2005 Toshiba TEC MR-3018 Circuit Diagram / Harness Diagram

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