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10-3

October 2000 © TOSHIBA TEC

MR-3011/3012 DESCRIPTION OF CIRCUITS

10.3 Drive Circuit for Read Motor

This circuit controls the rotation/stoppage and the direction of rotation, excitation mode and motor current of the
read motor.
A drive clock signal (READM_CLK) and rotation direction signal (CWB) are input to control the speed and
direction of the motor rotation. When the CPU judges the level of the enabling signal is "L", IC10-15pin
(READ_EN) becomes "L" level and turns OFF all the outputs from the drive IC regardless of the state of other
signals.
The output voltage of the D/A converter is separated at R85 and R105, and input into IC10-7pin to set the motor
current value. The motor current value can be changed by altering the D/A output voltage.

PH+24V

CN10.6

PH+24V

CN10.5

A

CN10.4

5

6

4

READ motor
RDMOT

IC4.4

14

+

13

-

12

CN10.3

3

*A

CN10.2

B

2

CN10.1

*B

1

2

1

PM+24V

+

C112

5

A

M1

READ_M1

3

4 RA6.2

8

READ_M2

RA6.3

6

5

9

M2

READ_CMD

RA6.1

2

1

10

CWB

READ_CLK

RA6.4

8

7

11

CLK

READ_ON

R104

1

2

15

ENABLE

*RESET

R99

1

2

13

*RESET

12

SGND

7

Vref

M3

4

*A

3

B

2

*B

14

MOI

1

PG

6

Vcc2

2

C50

1

REACM_DA

TP38

1

TP37

1

TP31

1

TP36

1

TP35

1

TP34

1

2

1

R85

TP33

1

2

1

C49

2

1

C48

2

1

C47

PGND

2

1

C36

1

2

C32

1

2

C31

1

2

C30

1

2

C29

1

2

C28

1

2

C27

2

1

1

2

C33

R105

SGND

+5V

2

1

C25

SGND

PGND

1

C21

2

IC10

#Chapter_10.p65

10/11/00, 10:16 AM

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Содержание MR-3011

Страница 1: ...Cover4 Cover1 Cover4 Cover1 Cover4 Cover1 Cover4 Cover1 1 1 KANDA NISHIKI CHO CHIYODA KU TOKYO 101 8442 JAPAN File No 31100005 SD A 109 00 10 AB ...

Страница 2: ...Copyright 2000 TOSHIBA TEC CORPORATION Cover2 Cover3 ...

Страница 3: ...ong places 6 Basically the machine should not be operated with any parts removed or disas sembled 7 Delicate parts for preventing safety hazard problems such as breakers thermofuses fuses door switches sensors etc if any should be handled installed adjusted correctly 8 Use suitable measuring instruments and tools 9 During servicing or maintenance work be sure to check the serial No plate and other...

Страница 4: ...gures 1 Use pieces of the corrugated board came in the package of MR 3011 3012 or equivalent as the gaggers Insert the gaggers as shown in the figure then close the MR 3011 3012 2 Make sure that the height positioning stud is not in contact with the original glass Height positioning stud Gagger Gagger Gagger The height positioning stud is not in contact with the original glass Sheet p65 10 6 00 3 ...

Страница 5: ... 1 Feeding Jam 6 1 6 2 Transport Jam 6 1 6 3 Exit Jam 6 2 6 4 Reversing Jam 6 2 7 ORIGINAL SIZE DETECTION 7 1 7 1 Method of Original Size Detection for Standard Sized Originals 7 1 7 2 Relation between Status of Sensor and Original Size for Standard Sized Originals 7 3 7 3 Method of Original Size Detection for Mixed Sized Original 7 4 7 4 Relation between Status of Sensor and Original Size for Mix...

Страница 6: ... Feed motor 12 9 12 4 6 Reverse motor 12 10 12 4 7 RADF open close sensor 12 10 12 4 8 PC board 12 10 12 4 9 Jam access cover switch 12 10 12 4 10 Feed motor clock sensor 12 11 12 5 Tray sensor 12 11 12 6 Empty Sensor Registration Sensor Original Width Sensor and Original Length Sensor 12 12 12 7 Read Sensor 12 13 12 8 Exit Sensor 12 13 12 9 Reverse Sensor 12 14 12 10 Adjustment of registration 12...

Страница 7: ...14 1 15 PERIODIC MAINTENANCE 15 1 16 CIRCUIT DIAGRAM HARNESS DIAGRAM 16 1 16 1 Circuit Diagram MR 3011 16 1 16 2 Circuit Diagram MR 3012 16 2 16 3 Control PC Board Circuit 16 3 16 4 Harness Diagram MR 3011 16 4 16 5 Harness Diagram MR 3012 16 5 Contents p65 10 5 00 10 50 AM 3 ...

Страница 8: ...2 Up to 100 sheets MR 3011 Approx 16 sheets min A4 or Letter feed widthwise DP1600 Approx 20 sheets min A4 or Letter feed widthwise DP2000 Approx 25 sheets min A4 or Letter feed widthwise DP2500 MR 3012 Approx 35 sheets min A4 or Letter feed widthwise DP3500 Approx 45 sheets min A4 or Letter feed widthwise DP4500 Smallest A5 R Largest A3 Thickness 50g m2 127g m2 13 3lb 33 8lb Power supplied from t...

Страница 9: ...noid RADF open close sensor RADF open close switch Jam access cover switch PC board Mechanical Jam access cover Pickup roller Feed roller Separation roller Registration roller Read roller Reverse roller Exit roller Original feeding tray Feeding transportation section Original feeding tray section Drive control section Feeding transportation section Original receiving tray Original feeding tray Dri...

Страница 10: ...sor 3 Small roller1 Flapper Registration roller Original length sensor Registration sensor Separation roller Feed roller Empty lever Pickup roller Tray sensor Reverse guide Reverse roller Exit roller Exit sensor Small roller2 Small roller3 Small roller4 Read roller Reverse sensor Reverse flapper Exit flapper Chapter_03 p65 10 3 00 5 05 PM 1 ...

Страница 11: ...nt side One way clutch locked Spring clutch Stops the drive for the clutch when the pickup roller reaches its upper limit position Pickup roller lifted up Front side Rear side Feed motor Motor rotating clockwise to transport original Motor rotating counterclockwise to transport original One way clutch slipped Pickup roller Down Front side Rear side Feed motor Chapter_03 p65 10 3 00 5 05 PM 2 ...

Страница 12: ...ad roller One way gear Exit roller Reverse roller Reverse motor rotating clockwise to carry original to the reverse path Read motor Reverse motor Rear side Front side Read motor rotating counterclockwise to transport mixed sized originals Read roller One way gear Exit roller Reverse roller Reverse motor rotating counterclockwise for back side registration and original discharge Read motor Reverse ...

Страница 13: ...tor Fan motor Function Drives transportation roller and exit roller Drives reverse roller Drives pickup roller feed roller and registration roller Cools down read motor Name RDMOT Read motor RVMOT Reverse motor FMOT Feed motor FAN Fan motor Symbol RDMOT RVMOT FMOT FAN Remarks DC solenoid Function Switches flapper Name RSOL Reverse solenoid Symbol RSOL Chapter_04 p65 10 3 00 5 05 PM 1 ...

Страница 14: ...sensor Semiconductive optical sensor Semiconductive optical sensor Semiconductive optical sensor Semiconductive optical sensor Semiconductive optical sensor Semiconductive optical sensor Semiconductive optical sensor Semiconductive optical sensor Semiconductive optical sensor Semiconductive optical sensor Semiconductive optical sensor Name JAM SW Jam access cover switch RADF OPN SW RADF open close...

Страница 15: ...MPS Empty sensor REGS Registration sensor EXITS Exit sensor SIZE 1 Original width sensor 1 SIZE 2 Original width sensor 2 SIZE 3 Original width sensor 3 TRYS Tray sensor OPNS RADF open close sensor MCLK Feed motor clock sensor LENGS Orignal length sensor READS Read sensor RVRS Reverse sensor MCLK JAMSW OPNSW FMOT RVMOT EMPS SIZES1 OPNS SIZES3 SIZES2 RSOL TRYS REGS EXITS RDMOT FAN READS RVRS LENGS ...

Страница 16: ...NS RVRS RVR SNS PWA LGC F513 Sensor input circuit RADF Reversing Automatic Document Feeder ACK VARID EMPTY RxD SGND TxD SGND DF ACK DF REQ REQ RADFCNT Commu nication circuit Irruptive current control circuit DC 24V DC 24V Supplied from copier Supplied from copier P 5V P 5V Supplied from copier DC 5V DC 5V 1 Driver RVMOT RVMOT RDMOT RDMOT FMOT FMOT Driver CPU FAN Driver FAN RSOL Driver RSOL EEPROM ...

Страница 17: ... signal for communication request signal from RADF to copier ACK Response signal for communication request signal from copier to RADF TxD Data sent from copier to RADF RxD Data sent from RADF to copier Data communication RxD and TxD between the scanner and RADF has adopted the serial communication system which does not allow checking using testing devices to see whether the signals are sent receiv...

Страница 18: ...gnal is sent from the main unit and the feed motor rotates the pickup roller and feed motor to start feeding the original pre feeding operation 3 Start of feeding operation n Original length sensor OFF The feed motor starts to rotate in reverse and the read motor rotates forward to rotate the registration roller and the read roller while the original is waiting in front of the registration roller ...

Страница 19: ...on 5 Start of scanning operation n Start of pre feeding operation for next original The original transport signal is sent from the main unit and the read motor starts to rotate forward The read roller and exit roller are rotated to start scanning the original The feed motor rotates the pickup roller and feed roller after the trailing edge of the original has passed the registration roller to start...

Страница 20: ...mpleted when the trailing edge of the original being scanned has passed the scanning position 8 Completion of scanning operation n Completion of feeding operation for next original The read motor rotates for a certain number of pulses and stops after the read sensor is turned ON The leading edge of the next original reaches the pre scanning position 9 Start of scanning operation for next original ...

Страница 21: ...g position and the original is carried toward the receiving tray 11 Exit sensor OFF next original After the exit sensor is turned OFF the feed motor rotates for a certain number of pulses till the original is completely discharged 12 Completion of original discharge next original The read motor is stopped when the next original is completely discharged into the receiving tray Chapter_05 p65 10 5 0...

Страница 22: ...otates the pickup roller and feed roller to start the pre feeding operation After the registration sensor detected the leading edge of the original the feed motor transports the original for a certain number of pulses performs registration and stops 3 Start of feeding operation n Original length sensor OFF The feed motor starts to rotate in reverse and the read motor starts to rotate forward to st...

Страница 23: ...e motor start to rotate forward The read roller exit roller and reverse roller are then rotated The reverse flapper is switched toward the reverse position by turning ON the reverse solenoid and the front side of the original starts to be scanned The feed motor rotates the pickup roller and feed roller after the trailing edge of the original has passed the registration roller to start the pre feed...

Страница 24: ...at the reverse position After the reverse sensor has detected the trailing edge of the original the feed motor transports the original for a certain number of pulses performs registration and stops 9 Start of reverse feeding operation n Completion of reverse feeding operation The read motor starts to rotate forward and the reverse motor starts to rotate in reverse The read roller exit roller and r...

Страница 25: ... trailing edge of the original has passed the reverse roller 11 Original passing reverse position n Completion of back side scanning operation The reversal motor starts to rotate forward and rotates the reverse roller to be ready for the leading edge of the original to come into the reverse position The scanning operation for the back side of the original is completed when the trailing edge of the...

Страница 26: ... motor is stopped after the reverse sensor is turned OFF The feed motor is stopped after the original length sensor is turned OFF 14 Original length sensor OFF n Completion of feeding operation for next original The read motor rotates for a certain number of pulses and stops after the read sensor is turned ON The leading edge of the next original reaches the pre scanning position for front side of...

Страница 27: ...d reverse motor are stopped when the reverse sensor is turned OFF to complete the transport operation for the front side of the original 18 Start of back side registration n Completion of back side registration The reverse motor starts to rotate in reverse and the reverse roller rotates in reverse to start the registration of the next original paused at the reverse position After the reverse senso...

Страница 28: ...n n Original passing reverse position The read motor starts to rotate forward and the reverse motor starts to rotate in reverse to rotate the read roller exit roller and reverse roller The reverse flapper is switched toward the reverse position by turning ON the reverse solenoid to start scanning the back side of the next original The reverse motor rotates for a certain number of pulses and stops ...

Страница 29: ...erse discharge operation of next original n Start of feeding operation for next original n Original length sensor OFF The read motor starts to rotate forward and the reverse motor starts to rotate in reverse The read roller exit roller and reverse roller are rotated to start the reverse discharge of the next original paused at the reverse position The reverse motor stops after the reverse sensor h...

Страница 30: ... OPERATION 25 Completion of reverse discharge operation for next original The read motor is stopped when the next original is completely discharged into the original receiving tray to terminate the reverse discharge operation Chapter_05 p65 10 5 00 9 55 AM 13 ...

Страница 31: ...ing operation After the registration sensor has detected the leading edge of the original the feed motor transports the original for a certain number of pulses performs registration and stops 3 Start of feeding operation n Completion of feeding operation The feed motor starts to rotate in reverse and the read motor starts to rotate forward The registration roller and read roller exit roller are ro...

Страница 32: ...sensor OFF n Completion of downswing operation of pickup roller The pickup roller is lowered after the feed motor has started to rotate forward and has rotated for a certain number of pulses The pickup roller waits for the next pre feeding operation in the lowered position 6 Completion of downswing operation of pickup roller n Pre reverse position for mixed sized original The read motor rotates fo...

Страница 33: ...tation of the original to the pre scanning position The read motor rotates for a certain number of pulses and stops after the read sensor has been turned ON The leading edge of the original reaches the pre scanning position 9 Start of scanning operation n Start of pre feeding operation for next original n Completion of pre feeding operation A transport signal is sent from the main unit and the rea...

Страница 34: ...urned OFF and rotates the registration roller to start feeding the next original waiting in front of the registration roller and read roller The original discharge operation is completed when the trailing edge of the original has passed the exit roller 12 Completion of feeding operation for next original The feed motor stops and the read motor rotates for a certain number of pulses and stops when ...

Страница 35: ...original n Pre reverse position for mixed sized originals The read motor rotates for a certain number of pulses and stops after the original length sensor has been turned OFF The trailing edge of the next original reaches the pre reverse position 15 Start of reverse operation for the next mixed sized original n Completion of reverse operation The gate for the reverse path is switched after a certa...

Страница 36: ...number of pulses and stops after the read sensor has been turned ON The leading edge of the next original reaches the pre scanning position 17 Start of scanning operation for next original A transport signal is sent from the main unit and the read motor starts to rotate forward The read roller and exit roller is rotated to start scanning the next original 18 Completion of scanning operation for ne...

Страница 37: ...pulses till the next original is completely discharge into the tray The read motor is stopped when the next original is completely discharge into the receiving tray to complete the original discharge operation None Duplex feeding of mixed sized originals The reverse mechanism detects the size of the mixed sized originals consisting of A4 R FOLIO or LT R LG then the scanning operation is started Ch...

Страница 38: ...small roller of the read roller during the pre feeding operation until it has reached the read sensor Jam pulse setting The setting value of an added 60mm to the distance from the first small roller of the read roller to the position where the read sensor is turned ON is set as the jam pulse 3 Original not reaching read sensor 2 Jam detection for duplex originals Jam detection is performed after t...

Страница 39: ...ling edge of the original waiting at the pre front side scanning position has passed the read sensor during the scanning operation until it has passed the exit sensor Jam pulse setting The setting value of an added 60mm to the distance from the position where the read sensor is turned OFF till the exit sensor is turned OFF is set as the jam pulse 6 4 Reversing Jam 1 Original not reaching exit sens...

Страница 40: ...dge of the original paused at the reverse position has reached the reverse sensor during the reverse discharge operation until the trailing edge of the original has passed the reverse sensor Jam pulse setting The setting value of an added 30mm to the distance till the longest original LD passes the reverse sensor is set as the jam pulse Chapter_06 p65 10 5 00 9 56 AM 3 ...

Страница 41: ...nsor detects the leading edge of the original or when the original length sensor has already detected the original original size B5 R or larger when the read sensor detects the leading edge of the original the original size along the feeding direction is assumed with the width size data saved in EPROM then the size data are sent to the copier At this time the date for the size along the feeding di...

Страница 42: ...7 2 October 2000 TOSHIBA TEC MR 3011 3012 SIZE DETECTION Size B5 R or larger 1 Timing to determine width 2 Timing to determine size along feeding direction Chapter_07 p65 10 5 00 9 56 AM 2 ...

Страница 43: ... 182 297 210 210 257 257 297 297 Original size data Feeding direction 210 257 210 297 330 182 364 210 420 Original size detected A5R B5R A4 A4R FOLIO B5 B4 A4 A3 Original width sensor 1 OFF OFF OFF OFF OFF OFF OFF ON ON Original width sensor 2 OFF OFF OFF OFF OFF ON ON ON OFF ON OFF Original width sensor 3 OFF OFF ON ON ON ON OFF ON OFF ON OFF ON OFF Tray sensor ON OFF ON OFF ON OFF OFF ON ON OFF ...

Страница 44: ...dge of the original reverse operation is performed to determine the size along the feeding direction The read motor counts the pulse of the distance pulses till the original length sensor detects the trailing edge of the original Original size is determined by the result of counting and threshold of size along the feeding direction then size data are sent to the copier At this time data of the siz...

Страница 45: ...inal size data Widthwise direction 216 216 Original size data Feeding direction 280 318 356 Original size detected LTR LG Threshould size of feeding direction Original width sensor 1 OFF OFF Original width sensor 2 OFF OFF Original width sensor 3 ON ON Tray sensor OFF ON Original length sensor ON ON Original size data Widthwise direction 210 210 Original size data Feeding direction 297 313 5 330 O...

Страница 46: ...n n Completion of Discharge for Last Original Carried Out YES NO Feeding Operation NO YES NO YES NO YES NO YES Standby Standby Jam A Power ON completed Initialization started Initialization H level Feed signal ON Empty sensor All sensors OFF Cover opened Chapter_08 p65 10 3 00 5 07 PM 1 ...

Страница 47: ... NO YES NO YES YES NO YES NO Transport signal H level Duplex mode signal H level possible Switchback started Switchback completed Switchback Mixed original signal H level Feeding operation completed Feeding operation started Ready for feeding Separation completed Separation started is on tray Original E C B D A Jam Chapter_08 p65 10 3 00 5 07 PM 2 ...

Страница 48: ...C MR 3011 3012 FLOW CHART Separation YES YES NO NO NO NO YES YES Last original carried out Scanning completed Ready for separation Next original is on tray Scanning of one side started D B Standby Chapter_08 p65 10 3 00 5 07 PM 3 ...

Страница 49: ...ort signal H level Scanning of back side of original started Back side scanning completed Reverse feeding completed Reverse feeding started Back side registration completed Registration for back side of original started Separation completed Separation started Scanning of front side completed Ready for separation Next original is on tray Scanning of front side of original started Standby E C Chapte...

Страница 50: ... width sensor ON Original length sensor ON Registration sensor ON Certain period of time Certain period of time Read motor stopped Read motor rotates for a certain number of pulses Read motor forward rotation Reverse motor stopped Reverse motor rotates for a certain number of pulses Reverse motor reverse rotation Feed motor stopped Feed motor braked Feed motor rotates for a certain number of pulse...

Страница 51: ...eration of Pickup Roller NO YES Control for pickup roller operation completed Control Feed motor stopped Certain period of time Feed motor braked Feed motor rotates for a certain number of pulses Feed motor forward rotation Empty sensor ON Chapter_08 p65 10 3 00 5 08 PM 6 ...

Страница 52: ...ed motor stopped Certain period of time Read motor stopped Read motor rotates for a certain number of pulses Read sensor ON First page Read motor forward rotation Feed motor braked Original length sensor OFF Feed motor reverse rotation Certain period of time Feed motor braked Feed motor rotates for a certain number of pulses Feed motor reverse rotation Feed motor stopped Chapter_08 p65 10 3 00 5 0...

Страница 53: ...n NO YES NO YES Control separation completed Control for separation Feed motor stopped Certain period of time Feed motor braked Feed motor rotates for a certain number of pulses Registration sensor ON Feed motor forward rotation Feed motor stopped Chapter_08 p65 10 3 00 5 08 PM 8 ...

Страница 54: ...opped Read motor rotates for a certain number of pulse Read sensor ON Read motor forward rotation Read motor stopped Read motor rotates for a certain number of pulse Certain period of time Read sensor OFF Read motor reverse rotation Read motor stopped Read motor rotates for a certain number of pulse Original length sensor OFF Read motor forward rotation Chapter_08 p65 10 3 00 5 08 PM 9 ...

Страница 55: ...d One side scanning control Scanning completed Read motor rotates for a certain number of pulses Read sensor OFF Scanning started Read motor rotates for a certain number of pulses Read motor stopped Read motor rotates for a certain number of pulses Exit sensor OFF Last original Exit sensor ON Read motor forward rotation Chapter_08 p65 10 3 00 5 08 PM 10 ...

Страница 56: ...pulses Reverse sensor ON Scanning completed Read motor rotates for a certain number of pulses Read sensor OFF Scanning started Read motor rotates for a certain number of pulses Certain period of time Read motor stopped Reverse motor stopped Reverse motor rotates for a certain number of pulses Reverse sensor OFF Reverse motor forward rotation Reverse solenoid ON Read motor forward rotation Chapter_...

Страница 57: ...ing NO YES Control for reverse feeding completed Reverse feeding control Read motor and reverse motor stopped Read motor and reverse motor rotate for a certain number of pulses Read sensor ON Reverse motor reverse rotation Read motor forward rotation Chapter_08 p65 10 3 00 5 08 PM 12 ...

Страница 58: ...de Registration NO YES Control for back side registration completed Back side registration command Certain period of time Reverse motor stopped Reverse motor rotates for a certain number of pulses Reverse sensor ON Reverse motor reverse rotation Chapter_08 p65 10 3 00 5 08 PM 13 ...

Страница 59: ...ses Read sensor OFF Scanning started Read motor rotates for a certain number of pulses Certain period of time Reverse solenoid OFF Reverse motor stopped Reverse motor rotates for a certain number of pulses Read motor stopped Reverse sensor OFF Reverse motor forward rotation Reverse motor stopped Reverse motor rotates for a certain number of pulses Reverse motor reverse rotation Read motor foward r...

Страница 60: ...rol for reverse discharge Read motor stopped Read motor rotates for a certain number of pulses Exit sensor OFF Last original Reverse motor stopped Reverse sensor OFF Last original Feeding operation started Reverse motor rotates for a certain number of pulses Reverse sensor ON Read motor forward rotation Reverse motor reverse rotation Chapter_08 p65 10 3 00 5 08 PM 15 ...

Страница 61: ...69 3 19 2 02 1 86 1 66 1 50 1 46 0 93 0 43 0 39 0 17 2 65 4 38 1 97 1 42 1 97 1 42 3 41 2 53 0 09 2 53 0 09 3 99 1 56 3 50 0 72 0 51 2 10 1 95 0 37 2 93 0 56 4 38 2 00 1 46 0 27 CCW M CW H Exposure time Exposure time CCW H CW L STOP RDMOT CCW H CCW L CW L CW H STOP RVMOT Exposure time OFF ON EMP SNS OFF ON EXIT SNS OFF ON RVR SNS OFF ON READ SNS OFF ON REG SNS OFF ON LENG SNS OFF ON RSOL L H L H L...

Страница 62: ...3 2 00 1 94 1 59 1 59 1 59 1 49 1 49 0 10 2 36 2 08 1 58 2 19 1 94 1 66 1 50 1 46 0 93 0 43 0 39 0 17 2 28 2 38 1 50 2 38 1 50 2 00 1 12 0 92 3 98 3 18 1 12 0 92 3 58 2 00 1 10 0 90 3 98 3 18 1 12 0 92 2 80 5 16 2 74 5 24 2 86 5 16 2 74 4 00 1 58 2 75 2 18 1 97 0 37 2 36 1 98 1 47 0 27 Exposure time Exposure time Exposure time Exposure time 0 0 0 0 0 CCW M CW M CCW H CW H CW L STOP RDMOT CCW M CCW...

Страница 63: ...04 3 38 1 56 0 54 0 51 0 37 2 05 1 89 0 37 2 14 3 62 1 93 1 46 0 27 2 12 1 61 1 09 0 52 0 34 0 14 3 68 3 63 3 11 2 62 2 02 1 86 1 66 1 50 1 46 0 93 0 43 0 39 0 17 0 41 1 94 Exposure time Exposure time Exposure time 0 0 0 CCW M CW H CCW H CW L STOP RDMOT CCW H CCW L CW L CW H STOP RVMOT OFF ON EMP SNS OFF ON EXIT SNS OFF ON RVR SNS OFF ON READ SNS OFF ON REG SNS OFF ON LENG SNS OFF ON RSOL L H L H ...

Страница 64: ...3 0 43 0 39 0 17 2 12 2 21 1 32 2 21 1 32 1 85 0 94 0 74 3 54 2 94 0 94 0 74 3 15 1 85 0 94 0 74 3 54 2 94 0 94 0 76 2 53 4 41 2 57 4 01 2 24 4 41 2 57 3 39 1 57 2 53 2 05 1 89 0 37 2 18 1 96 1 47 0 27 2 34 0 90 0 76 2 65 0 77 1 38 2 70 2 31 2 26 0 90 0 76 2 70 2 65 1 38 0 77 1 68 1 64 0 45 Exposure time Exposure time Exposure time Exposure time 0 0 0 0 0 CCW M CW H CCW H CW L STOP RDMOT CCW H CCW...

Страница 65: ...24 1 21 1 05 1 01 0 70 0 43 0 39 0 17 1 97 0 10 0 08 0 10 1 13 0 08 1 11 0 44 1 83 1 82 0 79 0 61 0 79 0 61 0 02 2 07 1 04 0 22 0 33 0 22 1 38 1 24 0 36 1 16 0 25 2 21 1 28 0 99 0 27 Exposure time Exposure time Exposure time 0 0 0 CCW H CW STOP RDMOT CCW CW L CW H STOP RVMOT OFF ON EMP SNS OFF ON EXIT SNS OFF ON RVR SNS OFF ON READ SNS OFF ON REG SNS OFF ON LENG SNS OFF ON RSOL L H L H L H L H L H...

Страница 66: ... 0 39 0 17 1 13 1 11 0 10 0 44 1 61 0 52 0 42 1 63 1 58 0 83 0 79 0 52 0 42 1 61 0 52 0 42 1 63 1 58 0 83 0 79 0 52 0 42 1 99 0 98 1 99 0 98 1 59 1 57 0 57 0 38 2 11 1 76 0 57 0 38 2 49 1 57 0 57 0 38 2 11 1 76 0 57 0 38 2 59 1 51 2 98 1 95 2 59 1 51 2 07 1 04 2 13 1 38 1 24 0 36 1 90 1 32 0 99 0 27 Exposure time Exposure time 0 Exposure time Exposure time 0 0 0 0 CCW H CW STOP RDMOT CCW CW L CW H...

Страница 67: ...ns there is no original the optical current flowing in the PTR is increased and the voltage of IC3 10pin becomes higher due to a drop in voltage caused by R44 IC3 is a comparator which compares the reference voltage input to 11pin non reverse input terminal with the signal voltage of 10pin reverse input terminal If the voltage of 10pin is higher the output level IC3 10pin is L On the contrary when...

Страница 68: ...dingly The current limitation is canceled and the current flowing in the PTH1 starts to be supplied to Q14 R74 R112 R127 and R128 are discharge resistors to capture charge stored in consisting C40 and C112 right after either of the RADF open close switch or jam access cover switch is opened The circuit consisted of R87 R114 and Q8 captures the charge stored in C53 right after either the RADF open ...

Страница 69: ...age of the D A converter is separated at R85 and R105 and input into IC10 7pin to set the motor current value The motor current value can be changed by altering the D A output voltage PH 24V CN10 6 PH 24V CN10 5 A CN10 4 5 6 4 READ motor RDMOT IC4 4 14 13 12 CN10 3 3 A CN10 2 B 2 CN10 1 B 1 2 1 PM 24V C112 5 A M1 READ_M1 3 4 RA6 2 8 READ_M2 RA6 3 6 5 9 M2 READ_CMD RA6 1 2 1 10 CWB READ_CLK RA6 4 8...

Страница 70: ...tage Drive pattern signals 1 2 phase excitation PH 24V CN12 6 PH 24V CN12 5 A CN12 4 5 6 4 Reverse motor RVMOT 2 1 PM 24V C40 18 Out B INA RETM_A 7 19 NC5 27 LG 2 D8 1 RETM_RA TP43 1 TP52 1 TP44 1 TP53 1 1 1 2 R86 PGND 2 1 2 1 C26 R89 SGND A CN12 3 3 B CN12 2 2 B CN12 1 1 A K IN A 6 RETM_ A INB 21 RETM_B IN B 22 RETM_ B TP45 13 RsA RsB 15 PGA 8 PGB 20 VrefA 4 VrefB 24 VsA 5 VsB 23 NC1 2 NC2 9 NC3 ...

Страница 71: ...clock in the CPU with the output from the clock sensor of the feed motor KMOT1 CN11 1 KMOT2 CN11 2 2 1 FMOT Feed motor IC8 1 1 2 3 2 1 C109 PREM_B TP47 1 1 2 R129 PGND B IC6 1 1 2 A 3 Y 2 1 L2 L1 1 2 1 2 R95 R122 2 1 Q21 3 S D 2 1 G S 3 D 2 G 1 A 2 K 1 D2 D1 A 2 K 1 Q22 Q20 Q19 S 3 1 G 2 D 2 D 3 G 1 S R118 2 1 C108 2 1 2 R80 1 4 C1 B 3 1 R123 2 8 IC6 3 Y 9 B 10 A Y IC6 4 11 12 B 13 A RCL 13 12 Y 1...

Страница 72: ...t consump tion is decreased to the reference voltage or becomes lower 10 7 Drive Circuit for Fan Motor This circuit controls the rotation stoppage of the fan motor When the output level of CPU is H Q12 and Q16 are turned ON and drive the fan motor At this time a lock detection signal is output from the fan motor and sent to the CPU The level of the lock detection signal is L during normal operatio...

Страница 73: ...ut off or lowered instantaneously This circuit has a watchdog timer for diagnosis of the CPU system operation The level of IC13 8pin RES is normally H after the power is turned ON However when the power is turned OFF or the voltage of the 5V power supply is decreased to 4 2V or lower for some reason the level of IC3 8pin becomes L and the CPU is reset A clock with a fixed cycle is input to IC13 3p...

Страница 74: ... in the IC12 is not erased even if the power is turned OFF IC12 1pin CS is a chip selection terminal and its level is H when data are being sent received IC12 2pin CLK is a serial clock terminal and the serial data are sent in synchronization with the clock input which is input to this terminal IC12 3pin DI is a input terminal for serial data and 4pin DO is an output terminal for serial data 5V D0...

Страница 75: ... for 0V The logic for the connector area and that for the input port of CPU are the same SGND CN2 1 ACK 1 Y 2 ACK 1 TP5 2 5V 1 1 2 C3 3 K 2 DA3 R27 1 2 R24 1 IC1 1 ACK A 1 Y A 3 IC2 2 4 CN2 6 TxD 6 A 1 DA2 2 K 3 SGND R23 2 1 C2 2 1 R26 1 2 ACK Y 5 IC1 3 5V Y IC2 1 A 6 1 2 1 TP3 RxD CN2 10 REQ 10 A 1 DA1 2 K 3 SGND R22 2 1 C1 2 1 R25 1 1 2 C118 C119 2 1 C120 2 1 2 ACK Y 3 IC1 2 5V Y IC2 3 A 4 5 6 1...

Страница 76: ...V and 0 for 0V The logic for the connector area and that for the output port of CPU are the same 1 2 R4 SGND 2 E 1 B 5 C Q2 1 CN2 8 DF ACK 10 A 11 Y 1 TP6 2 5V 1 R1 1 2 R11 8 IC2 5 DF_ACK DF REQ CN2 9 9 5V SGND E Q2 2 2 B 3 C 4 R5 1 2 8 R2 1 2 A Y 9 IC2 4 2 1 TP2 1 R12 DF_REQ RxD CN2 4 4 5V SGND E Q1 2 2 B 3 C 4 R6 1 2 12 R3 1 2 A Y 13 IC2 6 2 1 TP4 1 R13 TXD 2 1 R7 5V Chapter_11 p65 10 5 00 9 58 ...

Страница 77: ...R78 C34 SGND 1 2 EMC_CLK TP29 1 R21 CN7 3 CN7 2 CN7 1 TRYS 1 3 2 2 C14 SGND 2 1 1 TP17 1 TRY_5 CN3 4 CN3 5 CN3 6 REGS REGS 5V SGND REGS 6 5 4 R64 2 1 SGND C16 2 1 TP18 1 REG_5 CN3 7 CN3 8 CN3 9 SIZES1 SIZE1 5V SGND SIZES1 9 8 7 R65 2 1 SGND C17 2 1 TP19 1 SIZE1_5 CN3 10 CN3 11 CN3 12 SIZES2 12 11 10 R66 2 1 SGND C18 2 1 TP20 1 SIZE2_5 CN3 13 CN3 14 CN3 15 SIZES3 15 14 13 R67 2 1 SGND C19 2 1 TP21 ...

Страница 78: ...ist Original exists Original exists Original exists Original exists Original exists Original exists RADF closed Light path blocked Original not exist connector voltage 1 69V or higher Original not exist connector voltage 1 70V or higher Original not exist connector voltage 1 69V or higher Name EMPS Empty sensor REGS Registration sensor EXITS Exit sensor SIZES 1 Original width sensor 1 SIZES 2 Orig...

Страница 79: ...3 Remove the clips at the both sides of the pickup roller unit Slide the bushings and take off the pickup roller unit 4 Remove 2 clips and slide the feed roller pickup roller and pickup arm Pull out the parallel pin and remove the pickup arm pickup roller and feed roller Cover guide Clip Clip Bushing Bushing Pickup roller Parallel pin Clip Feed roller Pickup arm Chapter_12 p65 10 3 00 5 10 PM 1 ...

Страница 80: ...over 2 Remove 2 screws and take off the separation unit 3 Remove 2 clips and slide 2 bushings to remove the separation roller from the holder 4 Remove the E ring and pull out the shaft from the serapation roller Separation unit Clip Clip Holder Separation roller E ring Chapter_12 p65 10 3 00 5 10 PM 2 ...

Страница 81: ...one screw at the lower part of the front cover 2 Release 5 latches Slide the front cover horizon tally and remove it 3 Open the platen unit Disconnect one connector and remove 2 screws Take off the reverse solenoid Front cover Platen unit Horizontaly Latches Connector Chapter_12 p65 10 5 00 9 59 AM 3 ...

Страница 82: ... and take off the rear cover 2 Disconnect one connector and take off the binding band from the fan motor bracket Remove one screw and take off the fan motor with the bracket attached 3 Remove 2 screws and remove the fan motor from the bracket Rear cover Connector Binding band Chapter_12 p65 10 3 00 5 10 PM 4 ...

Страница 83: ...t attached 3 Loosen one belt tension screw Remove 2 screws and take the read motor apart from the bracket B Assembly and adjustment 4 Attach the read motor to the bracket and fix it temporarily with 2 screws while holding the read motor to the direction of the arrow 5 Attach the timing belt and hook on 2 springs Read motor Connector Binding band Belt tension screw Double deck pulley Timing belt Sp...

Страница 84: ...lt tension screw temporarily while bringing it up fully to the direction of the while arrow 8 Put the timing belt on the double deck pulley and pulley of the main unit Attach the bracket with the read motor on the rear frame with 4 screws 9 Loosen one belt tension screw and tighten it again to strain the timing belt Note Make sure that the belt is not twisting Belt tension screw Chapter_12 p65 10 ...

Страница 85: ...acket 4 Remove 2 screws x and take the read motor apart from the motor plate B Assembly and adjustment 5 Attach the read motor to the motor plate with 2 screws x 6 Attach the motor plate to the bracket and fix it with 2 screws y temporarily 7 Hook on 2 springs 8 Put the timing belt on the pulley of the main unit and gear of the motor shaft Attach the bracket with the read motor on the rear frame w...

Страница 86: ...e switch A Disassembly 1 Disconnect 3 connectors 2 Remove one screw and take off the RADF open close switch with the bracket attached 3 Remove one screw and take the RADF open close switch apart from the bracket B Assembly and adjustment 4 Attach the RADF open close switch to the bracket Connect the connectors as shown in the right figure 1 1 Connector RADF open close switch Orange Gray White Chap...

Страница 87: ... the harness from the clamp and discon nect one connector 2 Remove 3 screws and take off the feed motor with the bracket attached 3 Remove the belt and encoder Remove 2 screws and take off the feed motor from the bracket Connector Clamp Encoder Belt Chapter_12 p65 10 3 00 5 10 PM 9 ...

Страница 88: ...ose sensor with the bracket attached 3 Release the latches and remove the sensor from the bracket 12 4 8 PC board 1 Disconnect 12 connectors and release 4 lock supports Take out the PC board 12 4 9 Jam access cover switch A Disassembly Disconnect 3 connectors and remove one fixing screw Take off the switch B Assembly and adjustment Fix the jam access cover switch to the bracket Connect the connect...

Страница 89: ... sensor with the bracket attached 2 Release the latches and remove the feed motor clock sensor 12 5 Tray sensor 1 Remove 3 screws at the back of the tray and take off the cover from the tray 2 Disconnect one connector 3 Release the latches of the sensor and take off the tray sensor Tray under cover Latch Tray sensor Connector Latch Chapter_12 p65 10 3 00 5 10 PM 11 ...

Страница 90: ...hile pushing it to the direction of the arrow 3 Turn over the tray and remove 2 screws fixing the feeder guide 4 Release the latches of the feeder guide and turn it over 5 Disconnect the connectors and release the latches Remove the registration sensor original width sensor and original length sensor Registration sensor Original width sensor Original width sensor Original length sensor Empty senso...

Страница 91: ...onnect one connec tor Take off the read sensor 12 8 Exit Sensor 1 Open the jam access cover and the reverse guide 2 Remove one screw and take off the exit sensor with the bracket attached 3 Disconnect the connector and release the latches Remove the exit sensor from the bracket Sub cover Reverse guide Connector Chapter_12 p65 10 3 00 5 10 PM 13 ...

Страница 92: ...and take off the original receiving tray 2 Remove 2 screws fixing the bracket of the reverse sensor Pull out the bracket to the exit side 3 Remove one screw and take the reverse sensor apart from the bracket 4 Disconnect one connector Take off the reverse sensor Chapter_12 p65 10 3 00 5 10 PM 14 ...

Страница 93: ...Y 12 10 Adjustment of registration Install the bracket while matching the center mark on it with the left edge of rib Perform test copying Make adjustment if the skew amount does not satisfy the specification Skew of paper Chapter_12 p65 10 3 00 5 10 PM 15 ...

Страница 94: ...ent of original registration for reversing operation Attach the bracket while matching protrusion with the center mark on the frame Perform test copying Make adjustment if the skew amount does not satisfy the specification Skew of paper Chapter_12 p65 10 3 00 5 10 PM 16 ...

Страница 95: ... reverse solenoid Attach the reverse solenoid while matching the corner of the solenoid with that of folded up plate of the front frame If the exit flapper does not move properly loosen the screws and adjust the position of the solenoid Corner Chapter_12 p65 10 3 00 5 10 PM 17 ...

Страница 96: ...3012 DISASSEMBLY 12 13 Adjustment of RADF open close switch Adjust the position of the bracket so that the switch is turned ON while the RADF falls by its own weight dimen sion A 40 to 45 mm A Glass surface Chapter_12 p65 10 3 00 5 10 PM 18 ...

Страница 97: ...3012 DISASSEMBLY 12 14 Adjustment of RADF open close sensor Adjust the position of the bracket so that the sensor is turned ON while the RADF falls by its own weight dimen sion A 30 to 35 mm A Glass surface Chapter_12 p65 10 3 00 5 10 PM 19 ...

Страница 98: ...e so that the gap between them is 1 1mm Perform copying test If the image does not satisfy the specification make finer adjustment by adjustment screw at right side of hinge Note Loosen the fixing screw to perform the adjustment and make sure to tighten it when it is finished G a p 1 1 m m Platen guide adjustment screw fixing screw Jump plate Chapter_12 p65 10 3 00 5 10 PM 20 ...

Страница 99: ...left hinges so that the platen guide front holder and platen guide rear holder contact with the ADF original glass and the height positioning stud contacts with the original glass 3 ADF original glass Platen guide front holder Platen guide rear holder Original glass Height positioning stud Adjustment screw Adjustment screw Chapter_12 p65 10 16 00 9 39 AM 21 ...

Страница 100: ...t of the sensors must be performed in the adjustment mode 05 Make sure that there is no original on the sensors and the RADF unit is closed before performing these initialization and adjustment See the adjustment mode 05 in the PPC Service Handbook for the details Errors such as paper jamming may occur if the EEPROM is not initialized and the sensors are not adjusted after the above mentioned part...

Страница 101: ...2 23 October 2000 TOSHIBA TEC MR 3011 3012 DISASSEMBLY 12 18 Attachment of Mylars Note Clean the surface of the portions where the myler are attached to 7 2 4 8 6 5 3 1 Chapter_12 p65 10 11 00 2 05 PM 23 ...

Страница 102: ...12 24 October 2000 TOSHIBA TEC MR 3011 3012 DISASSEMBLY 1 Sensor cover mylar Sensor cover mylar feed guide Tolerance 0 0 3 Tolerance 0 0 3 Chapter_12 p65 10 3 00 5 10 PM 24 ...

Страница 103: ...12 25 October 2000 TOSHIBA TEC MR 3011 3012 DISASSEMBLY 2 Sensor mirror mylar Sensor mirror mylar Tolerance 0 1 Tolerance 0 0 5 Paper guide Chapter_12 p65 10 3 00 5 10 PM 25 ...

Страница 104: ...d guide mylar 1 and 2 and sensor mylar to the read guide Make sure there are no wrinkles or bubbling on the surface of the read guide 0 5 0 Tolerance 0 0 3 E d g e o f t h e p l a t e 0 Edge of the plate Tolerance 0 0 3 Attach the mylar in the center of the dent Punch mark 0 0 3 Punch mark 0 0 3 Read guide Read guide mylar 1 Read guide mylar 2 Sensor mylar Chapter_12 p65 10 3 00 5 10 PM 26 ...

Страница 105: ...the sensor mirror mylar 2 in the dent Make sure there are no wrinkles or bubbling on the reverse guide Sensor mirror mylar 2 Reverse guide Push the mirror against the edge of the concave The mirror must not protrude from the concave Push the mirror against the edge of the dent The mirror must not protrude from the dent Chapter_12 p65 10 3 00 5 10 PM 27 ...

Страница 106: ...ate The mylar should not come Edge of the plate 0 out of the edges of the plate The mylar should not come o u t o f t h e e d g e s o f t h e p l a t e Tolerance 0 5 Sensor mirror mylar3 Tolerance 0 5 Platen mylar2 0 2 0 Edge of the plate 0 Platen guide T h e m y l a r s h o u l d n o t c o m e 0 5 0 E d g e o f t h e p l a t e 0 0 5 0 out of the edges of the plate The mylar should not come 0 5 0 ...

Страница 107: ...ched properly Attach the rubber while pushing it against the holder Clean the roller with alcohol Flatten the original and set it again Separation roller is dirty NO YES NO YES YES Start Original thicker than specified Transport power of pickup roller and feed roller is weak Replace the rollers with new ones Clean the rollers with alcohol Use originals with permissible thickness Place thick origin...

Страница 108: ... of ADF not in contact with glass Is the right hinge out of place Make a copy and adjust the position of ths hinge Clean roller with alcohol Adjust the height of the left hinge Transport rollers are dirty YES Start Width between slides too great compared to that of original Move the slides so that they contact the edges of the original YES Start ADF original glass is dirty Clean the glass with alc...

Страница 109: ...e harness connected properly DC 5V supplied to B A B D C TP26 TP27 CN1_5pin TP16 TP30 DC 24V supplied to C Empty sensor D is 0V when there is paper exist Check or replace the PC board Check or replace the empty sensor Check the PC board and the copier Check the fuse and the copier Connect the harness properly Check or replace the RADF open close switch and jam access cover switch DC24V supplied to...

Страница 110: ...n signal supplied to connector of motor Check or replace motor Adjust mechanical load and drive system Remove foreign object Check or replace the PC board Check or replace the PC board YES NO YES NO Start Interface cable normal Replace the interface cable Communication recovered Repair completed Check or replace the PC board Check or replace the scanner control PC board Chapter_13 p65 10 3 00 5 11...

Страница 111: ...n there is paper TRY SNS D is 5V when there is paper Registration roller does not catch the original Clean or replace the registration roller Check or adjust the roller pressure Check or replace original width sensor 1 Check or replace original width sensor 2 Check or replace original width sensor 3 Check or replace the tray sensor Check or replace the PC board 4 Size detection error Chapter_13 p6...

Страница 112: ... 1 1 1 6 6 1 2 3 R90 R84 R133 R131 R113 R42 C59 R132 Q20 Q22 Q21 D2 L2 L1 D1 TP48 TP32 C65 C112 Q12 Q23 C21 Q7 IC9 IC10 STK672 080 MTD1120 Q19 ZD3 ZD4 ZD1 FUSE1 TP39 TP30 RA6 RA5 RA4 R111 TP26 6 1 1 TP40 TP37 TP38 TP44 TP31 TP52 C115 3773 IC13 TP53 TP45 TP42 C56 C53 Q8 Q14 PTH1 C40 S TP27 CP1 C61 TP35 TP47 CN13 R135 13 1 S S S S TP46 TP51 SIC 5 OSC1 C116 TP2 TP23 TP13 TP7 TP6 TP4 TP1TP5 TP3 TP24 R...

Страница 113: ...15 1 October 2000 TOSHIBA TEC MR 3011 3012 PERIODIC MAINTENANCE 15 PERIODIC MAINTENANCE 4 10 11 16 15 13 14 12 8 7 9 5 6 3 2 1 Chapter_15 p65 10 3 00 5 12 PM 1 ...

Страница 114: ...y 150k coopies Replace if deformed or damaged Data Use s name Serial No Inspector s name Remarks Item to inspect Cleaning Coating Replace every Remarks 80K 1K copies 116K 1000 150K 1 Pickup roller 80 116 150 2 Separation roller 80 116 150 3 Feed roller 80 116 150 4 Original length sensor 5 Registration roller A 6 Small roller 1 A 7 Small roller 2 A 8 Read sensor 9 Read guide 10 Read roller A 11 Sm...

Страница 115: ...16 1 MR 3011 3012 CIRCUIT HARNESS DIAGRAM October 2000 TOSHIBA TEC 16 CIRCUIT DIAGRAM HARNESS DIAGRAM 16 1 Circuit Diagram MR 3011 Chapter_16_A2 p65 10 11 00 2 07 PM 1 ...

Страница 116: ...16 2 MR 3011 3012 CIRCUIT HARNESS DIAGRAM October 2000 TOSHIBA TEC 16 2 Circuit Diagram MR 3012 Chapter_16_A2 p65 10 11 00 2 07 PM 2 ...

Страница 117: ...16 3 MR 3011 3012 CIRCUIT HARNESS DIAGRAM October 2000 TOSHIBA TEC 16 3 Control PC Board Circuit Chapter_16_A2 p65 10 3 00 5 14 PM 3 ...

Страница 118: ...16 4 October 2000 TOSHIBA TEC MR 3011 3012 CIRCUIT HARNESS DIAGRAM 16 4 Harness Diagram MR 3011 Chapter_16_A3 p65 10 11 00 2 08 PM 4 ...

Страница 119: ...16 5 October 2000 TOSHIBA TEC MR 3011 3012 CIRCUIT HARNESS DIAGRAM 16 5 Harness Diagram MR 3012 Chapter_16_A3 p65 10 11 00 2 08 PM 5 ...

Страница 120: ...Cover4 Cover1 Cover4 Cover1 Cover4 Cover1 Cover4 Cover1 1 1 KANDA NISHIKI CHO CHIYODA KU TOKYO 101 8442 JAPAN File No 31100005 SD A 109 00 10 AB ...

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