Diagram, Circuit | Toshiba MR-3018, MR-3022 manual

J42

	MR-3021
	MR-3020
		MR-3022
		MR-3018
	1	1	SC-ACK
			SCAN-ST
	10	2
			TXD
	2	3
			SG
	11	4
			RXD
	3	5
			SG
	12	6
			DF-ACK
	4	7
			DF-REQ
	13	8
			SC-REQ
	5	9
			CONECT
	14	10

		11	SG
	6	12
			+5V
	15	13
			+5V
	7	14
			DG
	16	15
			DG
	8	16
			+24V
	17	17
			+24V
	9	18

		19	FG
	18	20

SCANNER I/F

	1
	2
	3
	4
	5	J71
	6	J71
	6
	7
	8
	9
	10
	POWER
	SUPPLY
	1
	2
	3
	4	J70
	5
	6
	7

PWA-F-DLG-623 (MR-3018/3020) PWA-F-DLG-L-502 (MR-3021) PWA-F-DLG-H-502 (MR-3022)

			JAM-NO
			JAM-NC	CN72
			JAM-COM
		SC-ACK	JAM-NO
		SC-ACK	JAM-NO
		SCAN-START	JAM-COM
		TXD	JAM-COM	CN72
		TXD	DF-NO	CN72
		SG	DF-NO
		SG	DF-COM
		RXD	DF-COM
	CN71

		SG
		SG
		DF-ACK
		DF-REQ
		SC-REQ
		SC-REQ	+24V	CN84
		DFCNT(SG)	FANON	CN84
		DFCNT(SG)	FANON


		SG	B(-)
		+5V	BCOM
		+5V	B	CN76
	CN70	PG	A(-)	CN76
	CN70	PG	A(-)
		PG	ACCM
		+24V	A
		+24V

MR-3021/3022

	1
J72	2
	3

MR-3018/3020

FG

1

2

J72

3

4

1

J84

2

1

2

3

J76

4

5

6

NC

NO

COM

NC

NO

COM

+24V		1
1		1
FANON	J69	J69
2		2

	B(-)	6
	BCOM
		5
	B
		4

	A(-)	J66
	ACCM	3
		2
	A
		1

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

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


		M4

Original feed motor

M1

Diagram

DOWNLOAD JIG

PWA-F-DLM-320

D0 1

D2 2

D4 3

D6 4

OE 5

A0 6

A2 7

A4 8

A6 9

A8 10

A10 11

A12 12

A14 13

A16 14

A18 15

SG 16

SG 17

D1 18

D3 19

D5 20

D7 21

		B(-)
		BCOM
		B	CN77
		A(-)	CN77
		A(-)
	MD[0]	ACCM
		ACCM

	MD[2]	A
	MD[4]
	MD[8]
	MRD
	MA[0]
	MA[2]
	MA[4]
	MA[6]
	MA[8]	A1
	MA[10]	B1
	MA[12]	A3	CN78
	MA[14]	A3
	MA[14]
	MA[16]	B3
	MA[18]	A2,B2
	SG
	SG
CN81	SG
CN81	MD[1]
	MD[1]
	MD[3]
	MD[5]
	MD[7]

1

2

3

J77

4

5

6

1

2

3

J78

4

5

6

	B(-)	6
	BCOM
		5
	B
		4

	A(-)	J65
	ACCM	3
		2
	A
		1

A1

B1

A3

B3

A2,B2

Read motor

M2

Original exit/reverse motor

M3

Circuit

CE 22 A1 23 A3 24 A5 25 A7 26 A9 27 A11 28

	DLCS
	MA[1]	+24V
	MA[3]	PSOL-ON
	MA[5]	PSOL-OFF CN79
	MA[7]	PSOL-OFF CN79
	MA[7]
	MA[9]	+24V
	MA[11]	GSOL-ON

	1
	2
J79	3
	4
	5

+24V			1
1			1
PSOL-OFF	J98	J98	2
2	J98	J98	2
PSOL-ON			3
3			3
+24V			1
1			1

SOL1

Original pickup solenoid

8.2

A13 29

A15 30

A17 31 SG 32 +5V 33 LED 34

MA[13]

MA[15]

MA[17]

DLCNT

+5V

LED

	GSOL-ON		J99	J99
	GSOL-ON	2	J99	J99	2
		2			2

SOL2 Gate solenoid

Image 100

Toshiba MR-3018, MR-3022 service manual Diagram, Circuit

Contents

MR-3018/3020/3021/3022 Trademarks 11/12 11/12 Page Contents Circuit Diagram / Harness Diagram Rewriting ROM Firmware Updating Specifications MR-3018/3020 MR-3021/3022 Specifications Location Components Main Components06/09 Sectional View Electric Parts Layout S12S11 S7 S6 S5 S8S4 S10 Symbols and Functions of Various Components Sensors and SwitchesMotors Solenoid Diagram of Signal Blocks Description of Interface Signals Feed motor drive section OutlineRead motor drive section Original feed motor drive section Read motor drive section Intermediate transfer roller Original exit/reverse motor drive section Gate solenoid Reverse flap Exit/reverse motorReverse Exit/reverse roller Original Size Detection Original tray width sensor= high level Open = low level Short Original width size A4 series width sizes mixed at A3 / A4 standard A4 series width sizes mixed at B4 / B5 standardA4 series width sizes mixed at A4-R standard A4 series width sizes mixed at B5-R standard LT series width sizes mixed at LD / LT standard LT series ORG-SRSLT series width sizes mixed at LG / LT-R standard Power on Standby Radf jam access Cover OPEN? All sensors OFF?Empty sensor ON? Jam Original Certain period Time passed?Read motor rotates Registration roller rotates. Feed motor rotates reverse Scanning start signal Certain periodDuplex? Sent level High Original exit/reverse Sensor ON? Jam Read sensor OFF?Certain period Time passed? Read motor stops Certain period Time passed? Scanning start signal sent level Low Scanning completed Gate solenoid on Jam Original exit/reverse motor and read motor stop Transport request Signal received?Read motor and exit/reverse motor rotate at requested speed Scanning completed Exposure and scanning start OriginalSensor OFF? Original intermediate Transport sensor ON? Original exit/reverse motor and read motor stopJam Original exit/reverse Sensor OFF? Description of Circuit Drive Circuit for Feed Motor Drive Circuit for Read Motor Drive Circuit for Exit Motor Drive Circuit for FAN Motor Reset Circuit Drive Circuit for Pickup Solenoid Drive Circuit for Gate Solenoid Front cover CoverFront cover Jam access cover Rear coverRear cover Pin Take off the jam access cover by sliding it Remove 1 screw and the hinge pinLeft cover Left cover Original tray Original reverse tray Original reverse tray Roller Paper feeder unitRemove 1 clip and slide 2 bushings Take off the paper feeder unit Pickup roller PM Feed roller PMShaft Clip Pickup roller Slide the pulley and remove 1 pin Pull out the shaft and take off the feed rollerPulley Shaft Separation roller PM Feeder lower guide Take off the jam access guideStay Registration roller Exit/reverse roller Exit guide Exit/reverse roller Pre-reading guide Intermediate transport rollerHinge pin Pre-reading guide Connector Pre-reading rollerPost-reading roller Screw Bushing Flange Bearing Bushing BushingHolder Platen guide Reverse registration roller Upper guidePost-reading roller Ring Open the RADF. Take off the reverse regis- tration roller Roller Motor / Motor drive section Fan motor M4Read motor M2 Read motor Read motor drive section SpringSpring Harness clamp Remove 3 screws and then take off the bracket Take off 1 timing belt and 4 bushingsTiming belt Screw Tensioner Ring Original feed motor M1 Original feed motor drive section Take off the timing belt, bushings and pulley Ring Bushing Bracket White BlackRed 09/01 Disconnect 1 connector from the Radf con Original exit/reverse motor M3Original feed motor drive Section Solenoid Original pickup solenoid SOL1Original pickup solenoid Bracket Mark-off line Gate solenoid SOL2Gate solenoid Sensor/switch Original tray width sensor S2 Release 2 latches and take off the original tray sensor Original tray sensor S1Original tray sensor Jam access cover sensor S11 Jam access cover sensorOriginal empty sensor S3 Metal plate cover Original length detection sensor S4 Remove 2 screws and take off the bracketOriginal empty sensor Original length detection sensor Original registration sensor S5 Take off the feeder lower guide Feeder lower guideOriginal width detection sensor-1 S6 Original width detection sensor-2 S7 Read sensor S9 Take off the pre-reading upper guide Pre-reading guideOriginal intermediate transport sensor S8 Original exit/reverse sensor S10 Original exit/reverse sensor Original jam access cover opening/closing switch SW1 Take off the original jam access coverRadf opening/closing sensor S12 Disconnect 3 terminals. Remove 1 screw Radf control PC board ADF board PC BoardADF board Others Hinge stopperRemove 1 screw and then take off the hinge Stopper Disassembly and Assembly Adjustment of Position Checking Adjustment 05/12 05/12 Install the right-hand hinge screw at the rear Install the bracket on the left-hand hingeSide MR-3021/3022 only 05/12 Adjustment of Height ~0.5mm 0mm Turn it counterclockwise Heightened Turn it clockwise Adjustment of Skew 19 Chart Original Adjustment Simplex copying 05/12 Adjustment of the Leading Edge Position 26 Chart Original Adjustment 11/12 Adjustment of Horizontal Position 11/12 Adjustment of Copy Ratio 11/12 Adjustment of Radf Opening/Closing Sensor Adjustment Troubleshooting Troubleshooting for Mechanical Errors Troubleshooting for Electrical Errors Check or replace the Radf board Feed signal reception jam JamJam not reaching the original registration sensor Jam not reaching the read sensor Radf jam access cover open jam Stop jam at the original registration sensorStop jam at the read sensor Stop jam at the original exit/reverse sensor Cover open jam in the read ready status Radf open jam11/04 09/05 Periodic Maintenance Symbols used in the checklist Rewriting ROM Firmware Updating Assembly of PC Board Component side Soldered side Diagram Circuit 2005 2011 Toshiba TEC Corporation All rights reserved Control PC Board Circuit 1 MR-3018/3020 Circuit Diagram / Harness Diagram Circuit Diagram / Harness Diagram Circuit Diagram / Harness Diagram Circuit Diagram / Harness Diagram Circuit Diagram / Harness Diagram 2 MR-3021 11 09/05 09/05 13 09/05 09/05 15 09/05 3 MR-3022 17 09/05 09/05 19 09/05 09/05 21 09/05 Circuit Diagram / Harness Diagram