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

Page 100

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

 

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

 

 

 

 

SCAN-START

JAM-COM

 

 

TXD

CN72

 

DF-NO

 

SG

 

 

DF-COM

 

 

RXD

 

CN71

 

 

 

 

SG

 

 

 

 

 

 

DF-ACK

 

 

 

DF-REQ

 

 

 

SC-REQ

 

 

 

+24V

CN84

 

DFCNT(SG)

FANON

 

 

 

 

 

 

 

 

 

 

 

SG

B(-)

 

 

+5V

BCOM

 

 

+5V

B

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

 

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

 

 

SW1

 

 

 

 

 

 

 

NC

Jam access cover

 

 

NO

 

 

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(-)

 

 

 

 

MD[0]

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]

 

 

 

 

 

MA[16]

B3

 

 

MA[18]

A2,B2

 

 

SG

 

 

 

 

 

CN81

SG

 

 

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]

 

 

MA[9]

+24V

MA[11]

GSOL-ON

 

1

 

2

J79

3

 

4

 

5

+24V

 

 

1

1

 

 

PSOL-OFF

J98

J98

2

2

PSOL-ON

 

 

3

3

 

 

+24V

 

 

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

 

2

2

 

 

 

 

 

 

 

 

SOL2 Gate solenoid

Page 99 Page 101
Image 100
Page 99 Page 101
Contents MR-3018/3020/3021/3022 Trademarks 11/1211/12 Page Contents Circuit Diagram / Harness Diagram Rewriting ROM Firmware UpdatingSpecifications MR-3018/3020 MR-3021/3022Specifications Location Components Main Components06/09 Sectional View Electric Parts Layout S12S11 S7 S6 S5 S8S4 S10Symbols and Functions of Various Components Sensors and SwitchesMotors SolenoidDiagram 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 rollerOriginal exit/reverse motor drive section Gate solenoid Reverse flap Exit/reverse motorReverse Exit/reverse rollerOriginal Size Detection Original tray width sensor= high level Open = low level Short Original width sizeA4 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 standardLT 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? JamOriginal Certain period Time passed?Read motor rotates Registration roller rotates. Feed motor rotates reverseScanning start signal Certain periodDuplex? Sent level HighOriginal 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 onJam 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 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 Front cover CoverFront cover Jam access cover Rear coverRear cover PinTake off the jam access cover by sliding it Remove 1 screw and the hinge pinLeft cover Left coverOriginal tray Original reverse tray Original reverse trayRoller Paper feeder unitRemove 1 clip and slide 2 bushings Take off the paper feeder unitPickup roller PM Feed roller PMShaft Clip Pickup rollerSlide the pulley and remove 1 pin Pull out the shaft and take off the feed rollerPulley ShaftSeparation roller PM Feeder lower guide Take off the jam access guideStay Registration roller Exit/reverse rollerExit guide Exit/reverse rollerPre-reading guide Intermediate transport rollerHinge pin Pre-reading guideConnector Pre-reading rollerPost-reading roller Screw BushingFlange Bearing Bushing BushingHolder Platen guideReverse registration roller Upper guidePost-reading roller RingOpen the RADF. Take off the reverse regis- tration roller RollerMotor / Motor drive section Fan motor M4Read motor M2 Read motorRead motor drive section SpringSpring Harness clampRemove 3 screws and then take off the bracket Take off 1 timing belt and 4 bushingsTiming belt Screw Tensioner RingOriginal feed motor M1 Original feed motor drive sectionTake off the timing belt, bushings and pulley Ring Bushing Bracket White BlackRed 09/01Disconnect 1 connector from the Radf con Original exit/reverse motor M3Original feed motor drive SectionSolenoid Original pickup solenoid SOL1Original pickup solenoid BracketMark-off line Gate solenoid SOL2Gate solenoid Sensor/switch Original tray width sensor S2Release 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 coverOriginal 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 S7Read sensor S9 Take off the pre-reading upper guide Pre-reading guideOriginal intermediate transport sensor S8 Original exit/reverse sensor S10Original 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 screwRadf control PC board ADF board PC BoardADF board Others Hinge stopperRemove 1 screw and then take off the hinge StopperDisassembly and Assembly Adjustment of Position CheckingAdjustment 05/12 05/12 Install the right-hand hinge screw at the rear Install the bracket on the left-hand hingeSide MR-3021/3022 only05/12 Adjustment of Height ~0.5mm 0mmTurn it counterclockwise Heightened Turn it clockwiseAdjustment of Skew 19 Chart OriginalAdjustment Simplex copying 05/12 Adjustment of the Leading Edge Position 26 Chart OriginalAdjustment 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 ErrorsTroubleshooting for Electrical Errors Check or replace the Radf boardFeed signal reception jam JamJam not reaching the original registration sensor Jam not reaching the read sensorRadf jam access cover open jam Stop jam at the original registration sensorStop jam at the read sensor Stop jam at the original exit/reverse sensorCover open jam in the read ready status Radf open jam11/04 09/05 Periodic Maintenance Symbols used in the checklistRewriting ROM Firmware Updating Assembly of PC Board Component side Soldered sideDiagram Circuit2005 2011 Toshiba TEC Corporation All rights reserved Control PC Board Circuit 1 MR-3018/3020Circuit 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
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