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© 2005 - 2009 TOSHIBA TEC CORPORATION All rights reserved

MR-2017/2020

DISASSEMBLY AND ASSEMBLY

4 - 29

4

4.6

PC Board

[A] ADF control PC board (ADF board)

(1) Take off the rear cover.

(

P. 4-2 "[B] Rear cover")

(2) Disconnect 9 connectors.

Fig. 4-80

(3) Release 2 lock supports and 3 edge spacer.

Take off the ADF board.

Fig. 4-81

ADF board

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Summary of Contents for MR-2017

Page 1: ...SERVICE MANUAL AUTOMATIC DOCUMENT FEEDER MR 2017 2020 Model MR 2017 2020 Publish Date December 2005 File No SME050026D0 R05092196700 TTEC Ver04_2009 12 ...

Page 2: ...ndows Vista and the brand names and product names of other Microsoft products are trademarks or registered trademarks of Microsoft Corporation in the U S and or other countries Molykote is a registered trademark of Dow Corning Corporation Other company names and product names in this manual are the trademarks of their respective companies 2005 2009 TOSHIBA TEC CORPORATION All rights reserved Under...

Page 3: ... cams belts etc 10 Reassembly of disassembled parts is the reverse of the disassembly unless otherwise noted in this manual or other related documents Care should be taken that small parts such as screws washers pins E rings star washers har nesses are not installed in the wrong places 11 Basically the machine should not be operated with any parts removed or disassembled 12 Delicate parts for prev...

Page 4: ......

Page 5: ...4 2 Drive Circuit for Read Motor 3 10 3 4 3 Reset Circuit 3 11 3 4 4 Drive Circuit for Pickup Solenoid 3 11 4 DISASSEMBLY AND ASSEMBLY 4 1 4 1 Cover 4 1 4 2 Roller 4 5 4 3 Motor Motor drive section 4 16 4 4 Solenoid 4 21 4 5 Sensor switch 4 22 4 6 PC Board 4 29 4 7 Others 4 30 5 ADJUSTMENT 5 1 5 1 Adjustment of Position 5 1 5 2 Adjustment of Height 5 7 5 3 Adjustment of Skew 5 9 5 4 Adjustment of ...

Page 6: ...MR 2017 2020 2005 2009 TOSHIBA TEC CORPORATION All rights reserved CONTENTS 2 8 3 Control PC Board Circuit 8 4 ...

Page 7: ...Weight Approx 11 kg Power consumption Approx 30W Power requirements DC5 V DC24 V Supplied from the equipment Co packed items Unpacking Instruction 1 set Charts A4 LT 1 sheet each Mounting screws 6 pcs Positioning pins 2 pcs Washer 1 pc Hinge bracket 1 pc Hinge bracket fixing screw 2 pcs Hinge bracket cover 1 pc Connector cover 1 pc Unpacking Instruction 1 set Charts A4 LT 1 sheet each Mounting scr...

Page 8: ...MR 2017 2020 2005 2009 TOSHIBA TEC CORPORATION All rights reserved SPECIFICATION 1 2 ...

Page 9: ...empty sensor S3 Original registration sensor S4 Read sensor S5 Original exit sensor S6 Jam access cover sensor S7 Original tray section Original width guide Original tray Original tray sensor S1 Original tray width sensor S2 Original exit tray section Original exit tray Drive Control section Original feed motor M1 Read motor M2 Original pickup solenoid SOL ADF opening closing sensor S8 Jam access ...

Page 10: ... 2 Sectional View Fig 2 2 TRY1 Original tray R4 Registration roller TRY2 Original exit tray R5 Intermediate transfer roller FLP Exit gate R6 Pre reading roller R1 Pickup roller R7 Post reading roller R2 Feed roller R8 Exit roller R3 Separation roller TRY1 TRY2 R1 R3 R2 R4 R5 R6 R7 R8 FLP 06 09 ...

Page 11: ... 2005 2009 TOSHIBA TEC CORPORATION All rights reserved MR 2017 2020 GENERAL DESCRIPTION 2 3 2 2 3 Electric Parts Layout Fig 2 3 S1 S2 S3 S4 S5 S6 S7 S8 SW SOL M1 M2 ADF 06 09 ...

Page 12: ...l set on the original tray S3 Original empty sensor Detects the original set on the original tray S4 Original registration sensor Detects transport of the original at the registration roller section S5 Read sensor Detects the leading edge of the original at the original scanning section S6 Original exit sensor Detects the exit transit of an original S7 Jam access cover sensor Detects opening closi...

Page 13: ... motor M1 Read motor M2 Original pickup solenoid SOL Original tray sensor S1 Original tray width sensor S2 Original empty sensor S3 Original registration sensor S4 Read sensor S5 Original exit sensor S6 Jam access cover sensor S7 RADF opening closing sensor S8 Jam access cover opening closing switch SW RxD TxD REQ ACK DF REQ DF ACK SCAN ST CNT DC 24V DC 5V Downlad jig Reset IC 09 12 ...

Page 14: ...ipment DF ACK Communication request acknowledging signal from the ADF to equipment ACK Communication request acknowledging signal from equipment to the ADF TxD Data transmitted from equipment to the ADF RxD Data transmitted from the ADF to equipment Data communication RxD and TxD between the scanner and the ADF has adopted the serial commu nication system which does not allow checking using testin...

Page 15: ...lowing operations Original feed motor drive section picks up originals and drives the registration roller Read motor drive section transports originals and drives parts such as the exit roller The Original feed motor rotates reversely when the originals are being transported at the registration roller compared to its rotational direction when they are being picked up The read motor always rotates ...

Page 16: ... guide the original into the transport path Then the original is transported to the registration roller to be aligned The original aligned with the registration roller is then transported by the reverse rotation of the Original feed motor shown in a dotted line in the figure A one way clutch is installed inside of each gear of the feed roller and the registration roller so these gears will not be ...

Page 17: ...ning start position by the intermediate transfer roller and pre reading roller The original transported to the scanning start position is then scanned in the scanner function of the equipment When the data of the original have been scanned the original is then transported to the original exit tray side by the post reading roller Read motor Intermediate transfer roller Pre reading roller Exit rolle...

Page 18: ... which is a board with the different length of the patterns written This brush is moved as the original width guide is moved Signals TWID0S TWID1S TWID2S are opened and shorted to SG by this movement The combination of these short low level and open high level can determine the width of the orig inal Sizes detectable in combination of these open and short of the signals are as follows H high level...

Page 19: ...ATIONS 3 5 3 3 3 FLOW CHART Fig 3 4 A D YES NO YES YES NO NO NO YES NO YES Power ON ADF jam access cover OPEN All sensors OFF Empty sensor ON Feed request signal received Original on feeding tray Jam Jam Standby Standby Pickup solenoid ON pickup roller goes down Feed motor rotates forward ...

Page 20: ...erse Feed motor stops after transporting for a certain period of time YES NO Read motor rotates Paper transprted before the intermideate transport roller NO YES Feed motor rotation speed switches First scan Highest speed Second scan later Requested speed Monitoring registration sensor by parallel processing Feed motor stops when registration sensor detects trailing edge of original Skip to D A B A...

Page 21: ... NO Registration roller also rotates while read motor rotates and registration sensor ON NO YES Feed motor and read motor stop after transporting for certain period of time Feed request signal received Transport for a certain amount of distance completed YES Exposure and scanning start B C Scanning start signal sent level High Jam A certain period of time passed ...

Page 22: ... NO YES Read sensor OFF Original exit sensor OFF NO YES YES NO Scanning completed NO YES Transport for a certain amount of distance completed C Scanning start signal sent level Low Read motor stops Jam Jam END A certain period of time passed A certain period of time passed A certain period of time passed Original exit sensor ON ...

Page 23: ...motor rotation When the level of the enabling signal FMOT Enable is set to L motor current is turned OFF regard less of the state of other signals For the excitation mode either of 2 phase excitation or 1 2 phase excitation can be selected using the excitation switching signal FMOT Mode1 FMOT Mode2 The edge switching signal FMOT Mode3 is used to specify the switching timing for excitation phase ei...

Page 24: ...l RMOT Enable is set to L motor current is turned to OFF regardless of the state of other signals For the excitation mode either of 2 phase excitation 1 2 phase excitation W1 2 phase excitation 2W1 2 phase excitation or the 4W1 2 phase excitation can be selected using the excitation switching signal RMOT Mode1 RMOT Mode2 The edge switching signal RMOT Mode3 is used to specify the switching timing ...

Page 25: ...toff temporary low voltage occurs and the power volt age becomes lower than the set value for the supervisory voltage for the power the circuit sets the level of the reset signal RESET to L to put the CPU in a halt state 3 4 4 Drive Circuit for Pickup Solenoid Fig 3 11 Pick up solenoid is a two way solenoid that can be operated both in suction and recovery and driven by two transistors Q4 and Q2 f...

Page 26: ...MR 2017 2020 2005 2009 TOSHIBA TEC CORPORATION All rights reserved DESCRIPTION OF OPERATIONS 3 12 ...

Page 27: ...020 DISASSEMBLY AND ASSEMBLY 4 1 4 4 DISASSEMBLY AND ASSEMBLY 4 1 Cover A Front cover 1 Open the RADF and remove 3 screws Fig 4 1 2 Close the RADF 3 Open the jam access cover and remove 2 screws Fig 4 2 4 Take off the front cover toward you Fig 4 3 Front cover 06 09 ...

Page 28: ...am access cover 1 Open the jam access cover and remove 4 screws Fig 4 4 2 Raise the original tray and take off the rear cover upward Fig 4 5 1 Take off the front cover P 4 1 A Front cover 2 Take off the rear cover P 4 2 B Rear cover 3 Remove 1 clip and then the dial and pin Fig 4 6 Rear cover Clip Dial Pin 06 09 ...

Page 29: ...ed MR 2017 2020 DISASSEMBLY AND ASSEMBLY 4 3 4 D Left cover 4 Remove 1 screw and the hinge pin Fig 4 7 5 Take off the jam access cover by sliding it Fig 4 8 1 Remove 2 screws and take off the left cover Fig 4 9 Hinge pin Jam access cover Left cover 06 09 ...

Page 30: ...ear cover 3 Take off the paper feeder unit P 4 5 A Paper feeder unit 4 Remove 2 screws Lift up the feeder upper guide by sliding it to the right Note Note Do not pull the harness too strong Fig 4 10 5 Disconnect 1 connector from the ADF control PC board Fig 4 11 6 Remove 1 screw and take off the bushing 7 Take off the original tray Fig 4 12 Feeder upper guide Original tray Bushing Screw 06 09 ...

Page 31: ... DISASSEMBLY AND ASSEMBLY 4 5 4 4 2 Roller A Paper feeder unit 1 Open the jam access cover 2 Remove 2 screws and take off the bracket Fig 4 13 3 Remove 1 clip and slide 2 bushings Fig 4 14 4 Take off the paper feeder unit Fig 4 15 Bracket Clip Bushing Paper feeder unit ...

Page 32: ...Remove 1 clip and pull out the shaft Take off the pickup roller Fig 4 16 Notes 1 Be careful not to drop the pin because it will come off when the shaft is pulled out 2 Make sure you assemble the pickup roller with the one way clutch in the correct direction Fig 4 17 1 Take off the paper feeder unit P 4 5 A Paper feeder unit 2 Remove 1 clip Fig 4 18 Clip Pickup roller Shaft Pin Lock Lock Clip ...

Page 33: ...SEMBLY AND ASSEMBLY 4 7 4 3 Slide the pulley and remove 1 pin Fig 4 19 4 Pull out the shaft and take off the feed roller Fig 4 20 Note Note Make sure you assemble the feed roller with the one way clutch in the correct direction Fig 4 21 Pin Pulley Shaft Feed roller Lock Lock ...

Page 34: ...ws Slide the feeder upper guide to the right and raise it Note Note Do not pull the harness out with too much force Fig 4 22 3 Remove 2 screws and take off the separation roller holder and separation roller unit Fig 4 23 4 Remove 1 bushing and clip and then take off the separation roller Fig 4 24 Feeder upper guide Separation roller unit Separation roller holder Separation roller Bushing Clip ...

Page 35: ...Take off the original tray P 4 4 E Original tray 2 Take off the paper feeder unit P 4 5 A Paper feeder unit 3 Remove 2 screws and take off the stay Fig 4 25 4 Take off the jam access guide Fig 4 26 5 Remove 4 screws Disconnect 1 connector and take off the feeder lower guide Fig 4 27 Stay Jam access guide Feeder lower guide ...

Page 36: ... E ring and 1 bushing from the rear side of the shaft and then take off the registration roller Fig 4 28 1 Take off the front cover P 4 1 A Front cover 2 Take off the original feed motor drive section P 4 17 B Original feed motor drive section 3 Remove 1 screw 1 leaf spring 1 clip and 1 bushing from the rear side of the exit roller shaft Fig 4 29 4 Remove 1 clip 1 pulley 1 pin timing belt and 1 bu...

Page 37: ...RATION All rights reserved MR 2017 2020 DISASSEMBLY AND ASSEMBLY 4 11 4 5 Take off the jam access guide Fig 4 31 6 Pull out the exit guide Fig 4 32 7 Take off the exit roller Fig 4 33 Jam access guide Exit guide Exit roller 06 09 ...

Page 38: ... hinge pin Fig 4 34 6 Disconnect 1 connector Remove 2 screws and take off the pre reading guide Fig 4 35 1 Take off the pre reading guide P 4 12 H Pre reading guide 2 Take off the read motor drive section P 4 18 C Read motor M2 3 Remove 1 bushing 1 screw 1 pulley and 1 bushing from the rear side of the intermedi ate transport roller shaft 4 Remove 1 bushing from the front side of the intermediate ...

Page 39: ...section P 4 18 C Read motor M2 3 Remove 1 bushing 1 screw 1 pulley and 1 bearing from the rear side of the pre reading roller shaft Fig 4 37 4 Remove 1 clip and 1 bushing from the front side of the pre reading roller shaft 5 Take off the pre reading roller Fig 4 38 1 Take off the pre reading guide P 4 12 H Pre reading guide 2 Disconnect 1 connector Fig 4 39 Screw Pulley Bearing Bushing Bushing Cli...

Page 40: ...rear side of the post reading roller shaft Loosen 2 setscrews and take off 1 flange Take off 1 bearing Fig 4 40 5 Remove 1 clip timing belt 1 pulley 1pin 1 E ring and 1 bushing from the front side of the post reading roller shaft Fig 4 41 6 Open the RADF Remove 4 screws take off 2 holders and platen guide Fig 4 42 Bearing Flange Bushing E ring Pulley Clip Pin Bushing E ring Pulley Timing belt Hold...

Page 41: ... reserved MR 2017 2020 DISASSEMBLY AND ASSEMBLY 4 15 4 7 Remove 2 screws Open the post reading lower guide and take off the post reading upper guide Fig 4 43 8 Take off the post reading roller Fig 4 44 Post reading upper guide Post reading roller ...

Page 42: ... Outside diameter of coil ø9 6 mm acceptable turns of coil 12 turns Fig 4 45 3 Remove 3 screws and then take off the orig inal feed motor with its bracket Note Note When the unit is being assembled tempo rarily tighten the screws removed at step 3 and then attach the spring removed at step 2 Then fully tighten these screws Fig 4 46 4 Remove 2 screws and take off the original feed motor Fig 4 47 Co...

Page 43: ...rness from 3 harness clamps 3 Remove 1 E ring and take off the bushing Fig 4 48 4 Disconnect 3 terminals of the switch 5 Remove 4 screws and then take off the bracket Note Note When connecting the terminal make sure that the color of the harness is correct Fig 4 49 6 Take off the timing belt bushings and 2 pul leys Fig 4 50 E ring Bushing Harness clamp Harness clamp Bracket Red White Black Pulley ...

Page 44: ... Spring Outside diameter of coil ø10 2 mm active coils 12 5 Fig 4 51 3 Remove 3 screws and then take off the read motor with its bracket Note Note When the unit is being assembled tempo rarily tighten the screws removed at step 3 and then attach the spring removed at step 2 Then fully tighten these screws Fig 4 52 4 Remove 2 screws and take off the read motor Fig 4 53 Connector Spring Read motor R...

Page 45: ...ear motor P 4 18 C Read motor M2 2 Remove 1 spring Spring Outside diameter of coil ø8 8 mm active coils 12 5 3 Release the harness from 2 harness clamps Fig 4 54 4 Remove 3 screws and then take off the bracket Fig 4 55 5 Take off 1 timing belt and 4 bushings Fig 4 56 Spring Harness clamp Harness clamp Bracket Timing belt Bushing Bushing 07 06 ...

Page 46: ...e belt tensioner 7 Remove the 4 E rings and then take off the 4 pulleys and timing belt Note Note When the unit is being assembled first install the parts removed at steps 3 4 5 and 7 and attach the spring removed at step 2 next Then tighten the screw loosened at step 6 Fig 4 57 Timing belt Tensioner Screw E ring 07 06 ...

Page 47: ...n 2 Disconnect 1 connector Remove 2 screws and take off the original pickup solenoid with the bracket Fig 4 58 3 Remove 2 screws and take off the original pickup solenoid from the bracket Fig 4 59 Note Note When installing the original pickup solenoid be sure to align the edge of the original pickup solenoid with the mark off line on the frame Fig 4 60 Original pickup solenoid Connector Original p...

Page 48: ...ws Release 8 latches and separate the original tray into 2 parts Fig 4 61 3 Remove 1 screw and take off the cover 4 Disconnect 1 connector and take off the orig inal tray width sensor Fig 4 62 Note Note If washers 3 pcs and a pinion come off assemble them in the order as shown in the illustration Fig 4 63 Original tray width sensor Connector Cover Washer Black t 0 25 Washer Gold Washer Black t 0 1...

Page 49: ...al tray sensor S1 1 Take off the original tray P 4 4 E Original tray 2 Remove 3 screws Release 8 latches and separate the original tray into 2 parts Fig 4 64 3 Remove 2 screws and take off the holder Fig 4 65 4 Release 2 latches and take off the original tray sensor Fig 4 66 Holder Original tray sensor 06 09 ...

Page 50: ...y sensor S3 1 Open the jam access cover 2 Remove 1 screw and take off the metal plate cover Fig 4 67 3 Disconnect 1 connector Release 2 latches and take off the jam access cover sensor Fig 4 68 1 Open the jam access cover 2 Remove 1 screw and take off the metal plate cover Fig 4 69 Metal plate cover Jam access cover sensor Metal plate cover ...

Page 51: ...crews and take off the bracket Fig 4 70 4 Disconnect 1 connector Release 2 latches and take off the original empty sensor Fig 4 71 1 Take off the feeder lower guide P 4 9 E Feeder lower guide 2 Disconnect 1 connector Release 2 latches and take off the original registration sensor Fig 4 72 Bracket Original empty sensor Original registration sensor ...

Page 52: ...pre reading guide P 4 12 H Pre reading guide 2 Release 2 latches and take off the read sen sor from the pre reading upper guide Fig 4 73 1 Take off the pre reading guide P 4 12 H Pre reading guide 2 Disconnect 1 connector Fig 4 74 3 Open the ADF Remove 4 screws and then take off 2 holders and platen guide Fig 4 75 Read sensor Connector Holder Platen guide Holder ...

Page 53: ...wer guide and take off the post reading upper guide Fig 4 76 5 Release 2 latches and take off the Original exit sensor from the post reading upper guide Fig 4 77 1 Take off the rear cover P 4 2 B Rear cover 2 Disconnect 1 connector Release 2 latches and take off the ADF opening closing sensor Fig 4 78 Post reading upper guide Original exit sensor RADF opening closing sensor ...

Page 54: ... bracket of the original feed motor drive section P 4 17 B Original feed motor drive section 2 Disconnect 3 terminals Remove 1 screw and take off the jam access cover opening closing switch Note Note When connecting the terminal make sure that the color of the harness is correct Fig 4 79 Bracket Jam access cover opening closing switch Red White Black 09 01 ...

Page 55: ...MR 2017 2020 DISASSEMBLY AND ASSEMBLY 4 29 4 4 6 PC Board A ADF control PC board ADF board 1 Take off the rear cover P 4 2 B Rear cover 2 Disconnect 9 connectors Fig 4 80 3 Release 2 lock supports and 3 edge spacer Take off the ADF board Fig 4 81 ADF board ...

Page 56: ...Others A Hinge stopper 1 Remove 1 screw and then take off the hinge stopper Fig 4 82 Note Note When the hinge stopper is taken off the opening angle for the RADF becomes approx 90 degrees Take off the hinge stop per only when it is needed for installation maintenance service etc Fig 4 83 Hinge stopper ...

Page 57: ...e correct position Note Note Check if the image adjustment for the equipment is performed properly before this adjustment of the ADF See the Service Handbook of the applicable equipment A Checking 1 Open the ADF and install 2 positioning pins the positioning pins are installed to the back side of the hinge which is on the left side of the ADF Fig 5 1 2 Remove the platen sheet Fig 5 2 ...

Page 58: ... cannot be fitted into the holes perform the adjustment according to the following procedure 3 Close the ADF and check if the positioning pins fit the holes on the ADF Fig 5 3 1 Remove the right hand hinge screw at the rear side Fig 5 4 2 Remove the bracket on the left hand hinge MR 2020 only Fig 5 5 09 12 ...

Page 59: ...17 2020 ADJUSTMENT 5 3 5 3 Loosen the left hand hinge screw at the rear side Fig 5 6 4 Loosen the hinge screws at the front side Fig 5 7 5 Position the pins with the holes on the ADF by moving it so that the pins fit into the holes when the ADF is closed Fig 5 8 ...

Page 60: ... TEC CORPORATION All rights reserved ADJUSTMENT 5 4 6 Tighten the left hand hinge screw at the rear side Fig 5 9 7 Loosen the hole position adjustment screws on the right hand side Fig 5 10 8 Match the screw hole positions Fig 5 11 ...

Page 61: ...l rights reserved MR 2017 2020 ADJUSTMENT 5 5 5 9 Install the right hand hinge screw at the rear side Fig 5 12 10 Install the bracket on the left hand hinge MR 2020 only Fig 5 13 11 Tighten the hinge screws at the front side Fig 5 14 09 12 ...

Page 62: ...BA TEC CORPORATION All rights reserved ADJUSTMENT 5 6 12 Place the platen sheet on the original glass and align it to the top left corner Close the ADF gently and open it to check if the platen sheet is attached properly Fig 5 15 ...

Page 63: ...wer ON while pressing 0 and 4 simultaneously Key in 261 press the START button and then wait until the CIS unit stops Key in 267 and then press the START button The exposure lamp is turned ON for a given length of time 3 Visually check the gap between platen guide holder A and upper surface of the original glass B from the left hand side of the equipment If the value is not within the tolerance pe...

Page 64: ...rews on the hinges Adjust the height on the rear side by means of the screw on the hinge on the feed side of the ADF Turn it clockwise Heightened Turn it counterclockwise Lowered Fig 5 17 Adjust the gap on the rear side by means of the screw on the hinge on the feed side of the ADF Turn it clockwis Lowered Turn it counterclockwise Heightened Fig 5 18 ...

Page 65: ...shall be adjusted properly A Checking Check the image using the chart original with vertical and horizontal lines in the following procedure Fig 5 19 Chart Original 1 Place the chart provided as an original with its face up on the original tray of the ADF select 1 Sided 1 Sided and press the START button 2 Superimpose the chart on the copy and check the inclination of the copy image B Adjustment 1...

Page 66: ...s reserved ADJUSTMENT 5 10 2 If the image skew is C as shown in the figure below shift the aligning plate in the direction of and if D shift it to Fig 5 21 Fig 5 22 Shift the aligning plate in the direction of Shift the aligning plate in the direction of C D ...

Page 67: ...ay of the ADF select 1 Sided 1 Sided and press the START button 2 Superimpose the chart on the copy and check the leading edge E of the chart and F of the copy B Adjustment 1 Turn the power ON while pressing 0 and 5 simultaneously key in 365 and then press the START button 2 Enter the value If the leading edge F margin of the copy image is larger than the E margin of the chart enter a value smalle...

Page 68: ... with its face up on the original tray of the ADF 2 Press the START button 3 Fold the copy in half and check if the center line is misaligned B Adjustment 1 Turn the power ON while pressing 0 and 5 simultaneously 2 Key in 358 and then press the START button If the center line of the copy image is shifted to the front side of the equipment enter a value larger than the current one Note Note Changin...

Page 69: ... and horizontal lines in the following procedure 1 Place the chart provided as an original with its face up on the original tray of the ADF 2 Press the START button 3 Superimpose the chart on the copy and check the image dimension I B Adjustment 1 Turn the power ON while pressing 0 and 5 simultaneously 2 Key in 357 and then press the START button If the copy image dimension I is larger than the ch...

Page 70: ...TION All rights reserved ADJUSTMENT 5 14 5 7 Adjustment of ADF Opening Closing Sensor Adjust the bracket position so that the sensor is turned ON when the height A becomes 100 mm or less within the empty weight falling limit Fig 5 28 Fig 5 29 A ...

Page 71: ...S Use originals with permissible thickness Place thick originals manually on the platen cover to make a copy NO Pickup roller and feed roller are dirty YES Clean the rollers with alcohol NO Transport power of pickup roller and feed roller is weak YES Replace the rollers with new ones Front and rear protrusions at bottom of ADF are out of contact with glass YES Adjust the height of the left hinge N...

Page 72: ...mpty sensor is ON when there is paper NO Check or replace the empty sensor YES Check or replace the ADF board Power supplied and drives signals to connector of motor NO Check or replace motor YES There is no mechanical overloading at the motor and the drive system is correct Belt tension etc NO Check or replace motor harness YES Check or replace the RADF board Interface cable normal NO Replace the...

Page 73: ...ace the pickup roller feed roller and separation roller if they are worn out Feed signal reception jam 1 Is the empty sensor working Perform the input check 2 Check if the lever of empty sensor is working normally 3 Check if the connector CN75 on the RADF board is disconnected from the empty sensor or the harnesses are open circuited Correct if any 4 Replace the empty sensor 5 Replace the RADF boa...

Page 74: ...ed to 6 If not check 3 to 5 below 3 Check if the connector CN4 on the RADF board is disconnected from the original exit reverse sensor or the harnesses are open circuited Correct if any 4 Replace the original exit reverse sensor 5 Replace the RADF board 6 Replace the exit roller if it is worn out RADF jam access cover open 1 Close the RADF jam access cover if it is opened Remove if there is any or...

Page 75: ...er or the front cover if they are opened in the read ready status 2 IIs the RADF jam access cover sensor working Perform the input check 3 Check if the connector CN75 on the RADF board is disconnected from the RADF jam access cover sensor or the harnesses are open circuited Correct if any 4 Replace the RADF jam access cover sensor 5 Replace the RADF board 09 12 ...

Page 76: ...MR 2017 2020 2005 2009 TOSHIBA TEC CORPORATION All rights reserved TROUBLESHOOTING 6 6 ...

Page 77: ...loth or vacuum cleaner L Launa 40 SI Silicon oil W White grease Molykote X5 6020 AV Alvania No 2 The number of sheets con sumed before replacement Value x 1 000 R Replace if deformed or damaged O After cleaning or replacement confirm there is no problem Item to check Cleaning Lubrica tion Coating Replace ment x1 000 Operation check Parts list P I Remarks 1 Pickup roller A 90 5 1 2 Separation rolle...

Page 78: ... the ADF rear cover 2 Connect the download jig with the connector CN81 on the PC board 3 While pressing 0 and 8 simultaneously turn ON the power rewriting data starts 4 During the data is rewritten the LED on the download jig lights When the data rewriting is com pleted the LED blinks slowly at an interval of 0 8 sec If the LED blinks fast at an interval of 0 1 sec the rewriting has been failed 5 ...

Page 79: ...5 2009 TOSHIBA TEC CORPORATION All rights reserved MR 2017 2020 CIRCUIT DIAGRAM HARNESS DIAGRAM 8 1 8 8 CIRCUIT DIAGRAM HARNESS DIAGRAM 8 1 Assembly of PC Board Component side Fig 8 1 Soldered side Fig 8 2 ...

Page 80: ...7 1 2 3 4 5 6 7 8 9 10 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 6 5 4 3 2 1 J76 1 2 3 4 5 6 J77 1 2 3 1 2 1 2 1 2 3 1 2 3 4 5 J79 J98 J98 CN72 CN84 CN76 CN77 CN78 CN79 J71 J70 CN71 CN70 MD 0 MD 2 MD 4 MD 8 MRD MA 0 MA 2 MA 4 MA 6 MA 8 MA 10 MA 12 MA 14 MA 16 MA 18 MD 1 MD 3 MD 5 MD 7 DLCS MA 1 MA 3 MA 5 MA 7 MA 9 MA 11 MA 13 MA 15 MA 17 SG SG 5V LED DLCNT SG 5V PG PG RXD SG SC REQ DF ACK...

Page 81: ... SG DFOPEN S 5V SG TWIDTH1 S TWIDTH2 S SG EMPTY S JCOVU S SG SG SG READ S EXIT S SG MID S 5V 5V 5V 5V 5V PWA F DLG 643 CN80 CN82 CN83 Not used Not used Not used 1 2 3 4 5 6 7 1 2 3 4 5 6 7 8 9 10 11 12 1 2 3 1 2 3 J85 1 2 3 1 2 3 1 2 3 1 2 3 1 2 3 12 11 10 12 11 10 1 2 3 4 5 6 1 2 3 4 5 6 7 8 9 10 11 12 12 11 10 9 8 7 6 5 4 3 2 1 6 5 4 3 2 1 13 14 15 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 TWID 0S ...

Page 82: ...MR 2017 2020 2005 2009 TOSHIBA TEC CORPORATION All rights reserved CIRCUIT DIAGRAM HARNESS DIAGRAM 8 4 8 3 Control PC Board Circuit Fig 8 5 06 09 ...

Page 83: ... 2005 2009 TOSHIBA TEC CORPORATION All rights reserved MR 2017 2020 CIRCUIT DIAGRAM HARNESS DIAGRAM 8 5 8 Fig 8 6 ...

Page 84: ...MR 2017 2020 2005 2009 TOSHIBA TEC CORPORATION All rights reserved CIRCUIT DIAGRAM HARNESS DIAGRAM 8 6 Fig 8 7 ...

Page 85: ... 2005 2009 TOSHIBA TEC CORPORATION All rights reserved MR 2017 2020 CIRCUIT DIAGRAM HARNESS DIAGRAM 8 7 8 Fig 8 8 ...

Page 86: ...MR 2017 2020 2005 2009 TOSHIBA TEC CORPORATION All rights reserved CIRCUIT DIAGRAM HARNESS DIAGRAM 8 8 Fig 8 9 ...

Page 87: ... 2005 2009 TOSHIBA TEC CORPORATION All rights reserved MR 2017 2020 CIRCUIT DIAGRAM HARNESS DIAGRAM 8 9 8 Fig 8 10 ...

Page 88: ...MR 2017 2020 2005 2009 TOSHIBA TEC CORPORATION All rights reserved CIRCUIT DIAGRAM HARNESS DIAGRAM 8 10 ...

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