Canon DADF-AA1 Service Manual Download Page 94

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Chapter 5

5-8

5.4 Outline of Electrical Components

5.4.1 Electric Parts Layout and Functions

0024-7059

F-5-15

Symbol

Name

Part No.

Relay PCB

ADF driver PCB

Jam code

SR1

Registration sensor

WG8-5696

0003, 0004, 0044, 0094

SR2

Read sensor

WG8-5696

0005, 0006, 0045, 0046, 0094

SR3

Delivery reversal sensor

WG8-5696

0007, 0008, 0047, 0048, 0094

SR4

Timing sensor

WG8-5696

SR5

Document set sensor

WG8-5696

0095

SR6

Cover open/closed sensor

WG8-5696

0092, 0093

SR9

Document length sensor 1

WG8-5696

J51

SR8

Document length sensor 2

WG8-5696

J51

SR7

Last document detection
sensor

WG8-5696

J51

SR11

Release motor HP sensor

WG8-5696

0073

PS1(PCB

Document width sensor 2

FM4-3024

PS2(PCB

Document width sensor 1

FM4-3024

SR7

SR9

SR8

PS1(PCB2)

PS2(PCB2)

SR1

SR11

SR2

SR3

SR4

SR5

SR6

Summary of Contents for DADF-AA1

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Page 3: ... need arises In the event of major changes in the contents of this manual over a long or short period Canon will issue a new edition of this manual The following paragraph does not apply to any countries where such provisions are inconsistent with local law Trademarks The product names and company names used in this manual are the registered trademarks of the individual companies Copyright This ma...

Page 4: ...equiring care to avoid combustion fire Indicates an item prohibiting disassembly to avoid electric shocks or problems Indicates an item requiring disconnection of the power plug from the electric outlet Indicates an item intended to provide notes assisting the understanding of the topic in question Indicates an item of reference assisting the understanding of the topic in question Provides a descr...

Page 5: ... used to indicate Low The voltage value however differs from circuit to circuit In addition the asterisk as in DRMD indicates that the DRMD signal goes on when 0 In practically all cases the internal mechanisms of a microprocessor cannot be checked in the field Therefore the operations of the microprocessors used in the machines are not discussed they are explained in terms of from sensors to the ...

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Page 7: ...ity 2 8 2 3 4 Adjusting the Read Position 2 8 2 3 5 Adjusting the Horizontal Registration 2 9 2 3 6 Adjusting the Trailing Edge Registration 2 9 2 3 7 Adjusting the Magnification 2 9 2 3 8 Adjusting the White Level 2 9 2 4 Attaching the Hinge Covers 2 10 2 4 1 Attaching the Hinge Covers 2 10 2 5 Cleaning 2 10 2 5 1 Cleaning the Stream Reading Glass 2 10 2 6 Checking the Operation 2 10 2 6 1 Operat...

Page 8: ... 1 Outline with the Stamp Unit B1 3 18 3 10 Fan 3 18 3 10 1 Fan Operation 3 18 Chapter 4 Parts Replacement Procedure 4 1 Points to Note on Disassembly and Reassembly 4 1 4 1 1 Points to Note When Turning Off the Main Power of the Host Machine 4 1 4 2 External Covers 4 1 4 2 1 Front Cover 4 1 4 2 1 1 Removing the Front Cove 4 1 4 2 2 Rear Cover 4 1 4 2 2 1 Removing the Rear Cover 4 1 4 2 3 Feeder C...

Page 9: ...e 4 13 4 4 11 1 Exchanging the Feed Roller Guide 4 13 4 4 12 Document Tray 4 13 4 4 12 1 Removing the Document Tray 4 13 4 5 Electrical System 4 14 4 5 1 Fan 4 14 4 5 1 1 Removing the Fan 4 14 4 5 1 2 Precaution about Fan Installation 4 14 4 5 2 Inner Sensor of Feed Unit 4 14 4 5 2 1 Removing the Sensor in the Feed Unit 4 14 4 5 3 Document Width Volume 4 16 4 5 3 1 Removing the Relay PCB 4 16 4 5 ...

Page 10: ... 1 Outline 5 4 5 3 1 2 Adjusting the Height 5 4 5 3 1 3 Adjusting the Perpendicularity 5 5 5 3 1 4 Adjusting the Read Position 5 6 5 3 1 5 Adjusting the Horizontal Registration 5 6 5 3 1 6 Adjusting the Trailing Edge Registration 5 6 5 3 1 7 Adjusting the Magnification 5 6 5 3 1 8 Adjusting the White Level 5 7 5 4 Outline of Electrical Components 5 8 5 4 1 Electric Parts Layout and Functions 5 8 5...

Page 11: ...Chapter 1 Specifications ...

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Page 13: ...Contents Contents 1 1 Product Specifications 1 1 1 1 1 Specifications 1 1 1 2 Names of Parts 1 3 1 2 1 External View 1 3 1 2 2 Cross Section 1 3 ...

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Page 15: ...tray capacity S size 100 sheets S size A4 A4R B5 B5R A5 A5R B6 LTR LTRR STMT 50 80g m2 paper L size 100 sheets L size A3 11 x 17 B4 LGL Document heavier than 80g m2 Weight equivalent Folded document 10 mm or less Mixed size document lighter than 50g m2 10 sheets Document read method Stream reading Document processing mode Single sided document processing Double sided document processing Document s...

Page 16: ...peed A4 LTR Single sided copy 51 ipm Single sided SEND 51 ipm Power supply Supplied from host machine Power system 24 VDC Logic system 13 VDC Weight Approx 7 9kg Dimensions 565 W X 510 D X 136 H mm Operating environment Temperature range Same as that of host machine Humidity range Same as that of host machine The foregoing specifications are subject to change for product improvement Item Specifica...

Page 17: ...t 5 Pickup roller 6 Document supply tray 7 Upper delivery reversal roller 8 Lower delivery reversal roller 9 Read roller 2 lower 10 Read roller 2 upper 11 Platen roller 12 White sheet 13 Read roller 14 Read roller 1 lower 15 Read roller 1 upper 1 Feeder cover 4 Document supply tray 2 Rear cover 5 Document delivery tray 3 Slide guide 6 Front cover 4 2 3 5 6 1 1 2 3 4 5 6 9 7 10 11 8 12 13 14 15 ...

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Page 19: ...Chapter 2 Installation ...

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Page 21: ...stments 2 6 2 3 1 Adjusting the Height 2 6 2 3 2 Turning On the Host Machine 2 8 2 3 3 Adjusting the Perpendicularity 2 8 2 3 4 Adjusting the Read Position 2 8 2 3 5 Adjusting the Horizontal Registration 2 9 2 3 6 Adjusting the Trailing Edge Registration 2 9 2 3 7 Adjusting the Magnification 2 9 2 3 8 Adjusting the White Level 2 9 2 4 Attaching the Hinge Covers 2 10 2 4 1 Attaching the Hinge Cover...

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Page 23: ... 1 Unpacking and Checking the Components 2 1 1 Unpacking and Checking the Contents 0024 3811 1 Make sure that none of the following parts is missing F 2 1 12 9 2 2 1 8 7 6 8 7 6 4 5 3 10 11 13 11 B A 12 C D 13 E F G H ...

Page 24: ...ss positioning plate 1 pc 10 Flat head screw M4X6 1 pc 4 Glass holder 1 pc 11 Finger pinch caution label 1 1 pc 5 Stream reading glass 1 pc 12 Finger pinch caution label 2 1 pc 6 Face sticker 2 pcs 13 Glass cleaning lamp caution label 1 pc 7 Stepped screw M5X6 2 pcs INCH A type A type INCH AB K type 11 Finger pinch caution label 1 A Yes Yes B Yes Yes 12 Finger pinch caution label 2 C Yes Yes D Yes...

Page 25: ... The removed reader upper left cover is no longer necessary F 2 5 4 Mount the supplied stream reading glass 1 5 Mount the supplied glass posotioning plate 3 with the supplied flat head screw 4 pressing it against the stream reading glass F 2 6 CAUTION Installation precautions are as follows Be careful not to allow foreign objects to enter the reader unit Do not stain the back side of the stream re...

Page 26: ...3670 1 Peel off 4 pieces of blind seal 1 The 4 pieces of blind seal are no longer necessary F 2 8 2 Affix 2 pieces of the supplied face stickers 1 over the hinge holes F 2 9 3 Install the supplied 2 stepped screws M5X6 1 at the upper rear of the reader F 2 10 4 Engage the hinges of the DADF with the stepped screws 1 from behind and slide them toward the front of the host machine F 2 11 MEMO The DA...

Page 27: ...is no longer necessary F 2 14 8 Connect the three connectors 1 to the reader controller PCB and then secure the ground cable 2 using the supplied binding screw M3X6 3 9 Install the DADF harness so that the cable tie 4 fits in the groove of the reader rear cover F 2 15 10 Attach the reader rear small cover detached in step 6 One screw 2 2 4 Affixing Labels 0024 4923 1 Open the DADF 2 Attach the sup...

Page 28: ...losed If visual check is difficult perform the check with reference to the next and subsequent pages F 2 19 2 Checking the left hinge height 1 Checking the rear left height of the DADF Set paper against the protrusions 1 of the stream reading glass in such a manner that the seat 2 of the stream reading glass is nearly hidden F 2 20 2 Pulling out the set paper Pull out the paper in the direction of...

Page 29: ...hinge height 4 Adjust the height of the left hinge 1 Adjust the height with the left hinge height adjusting screw 1 If the front spacer is floating turn the adjusting screw clockwise to bring the front spacer closer to the glass If only the rear spacer or both front and rear spacers are floating turn the adjusting screw counterclockwise to bring the rear spacer closer to the glass F 2 24 5 Check t...

Page 30: ... 2 3 3 Adjusting the Perpendicularity 0024 3819 1 Load a test chart in the DADF to make a copy 2 Check the perpendicularity at the leading edges of the test chart and copy Measure dimensions A and B on the test chart and dimensions A and B on the copy If it is not A B A B go through Step 3 and later F 2 28 3 Loosen the screw to adjust the right hinge position F 2 29 A B Slide the hinge 1 forward F...

Page 31: ...ill be reduced If the image is longer decrease the value so that the stream reading speed will be increased Unit of the adjustment 0 1 5 After changing the value press the OK key to fix it 2 3 8 Adjusting the White Level 0024 3824 1 Prepare the blank paper which user always uses and place it on the docu ment glass then close the DADF 2 Enter to the service mode On the service mode screen select th...

Page 32: ...0024 3825 1 Attach the supplied 2 hinge covers 1 F 2 31 2 5 Cleaning 2 5 1 Cleaning the Stream Reading Glass 0024 3828 1 Open the DADF 2 Hardly squeeze the cloth soaked with water Using this cloth wipe the stream reading glass clean F 2 32 2 6 Checking the Operation 2 6 1 Operation Check 0024 3826 1 Check the following operations Check the single sided and double sided copy operations If the machi...

Page 33: ...Chapter 2 2 11 ...

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Page 35: ...Chapter 3 Functions ...

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Page 37: ...f Last Document 3 9 3 3 4 Initial Document Size Detection 3 9 3 4 Document Pickup Separation 3 10 3 4 1 Basic Pickup Operation 3 10 3 4 2 Pickup Unit and Stopper 3 11 3 4 3 Pickup Timing 3 12 3 4 4 Pickup Feed Motor M1 Control 3 12 3 5 Document Reversing 3 13 3 5 1 Basic Operation 3 13 3 5 2 Operation Sequence 3 14 3 6 Document Feeding Delivery 3 14 3 6 1 Basic Operation 3 14 3 6 2 Release Operati...

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Page 39: ...B detect the input signals from sensors to output the signals that drive DC loads such as motors solenoids clutches and fans at the predetermined timings The ADF driver PCB does not have a memory area data such as the data used in the service mode is stored in main controller PCB F 3 1 J512 J8141 Main controller PCB Motor Sensor Solenoid Reader relay PCB ADF driver PCB Clutch Fan ...

Page 40: ... Stamp solenoid drive signal 12 Last document detection signal 13 Paper size width identification signal 2 14 Paper size width identification signal 1 15 Paper size length identification signal 2 16 Paper size length identification signal 1 Name symbol Function Pickup feed motor M1 Feeds documents Release motor M2 Prevents a document from swaying Pickup clutch CL1 Drives the pickup clutch to trans...

Page 41: ...ivery Picks up reads and then delivers an document Single sided document Simplex printing Single sided document Duplex printing This operation is performed for documents with the same different width 2 Forward feed reverse delivery Picks up reads reverses and delivers a document Double sided document Duplex printing Double sided document Simplex printing This operation is performed for documents w...

Page 42: ...n of reading of first document shee Completion of reading of second document sheet Completion of delivery of first document sheet Completion of delivery of second document sheet End of job Start of reading of second document sheet ...

Page 43: ... 5 MEMO This operation is performed for all double sided documents irrespective of whether document widths are the same or different Pickup and formation of loop of first document sheet Waiting for reading of the first document Start of reading of front side of first document sheet End of reading of first document sheet Stop after feeing the first document sheet to reversal position Document To ne...

Page 44: ...ent sheet and start of reading of reverse side Stop after feeding the first document sheet to reversal position Idle feed of first document sheet Removal of idle registration loop of first document sheet and release of re pickup and delivery roller End of reading of reverse side of first document sheet and pressurization of delivery roller To next page ...

Page 45: ...ing of top side of second document sheet End of reading of front side of second document sheet Stop after feeding the second document sheet to reversal position Delivery of first document sheet Removal of registration loop of reverse side of second document sheet and release of re pickup delivery roller To next page ...

Page 46: ...document detection Detects whether the document being picked up is the last one Last document detection sensor SR7 Initial document size detection Longitudinal direction Detects the length of the document placed on the document pickup tray Document length sensor 1 2 SR9 SR8 Lateral direction Detects the width of the document placed on the document pickup tray Document width sensor 1 2 PS2 PS1 Star...

Page 47: ...st document has moved past the last document detection lever the detection lever moves the light shielding plate to allow light pass through the photo interrupter Thus the last document detection sensor SR9 generates a last document detection signal LAST_SEN When the last document has moved past the document sensor SR5 a document absence signal EMPTY_SEN is generated to notify the host machine tha...

Page 48: ...ttom of the slide guide Document sizes are determined by the combination of the ON OFF states of document length sensors the combination of ON OFF states of document width sensor F 3 11 The following table shows the relationship among length detection sensor signals document widths and initial document sizes 1 AB type T 3 1 2 Inch type T 3 2 Sensor name Document width sensor 1 PS2 Document width s...

Page 49: ...loop While the pickup feed motor M1 is turning in the reverse direction the document is fed against the stationary registration roller to form a loop because the regis tration clutch is not driven thus preventing the document from skewing F 3 13 c Feed The pickup feed motor M1 turns in the reverse direction to drive the registration clutch CL2 thus allowing the registration roller to feed the docu...

Page 50: ...nput the pickup feed motor M1 turns in the reverse direction to lower the pickup unit via the pickup clutch CL1 turning the pickup roller and feed roller to feed the document The stopper rises in conjunction with the pickup roller unit When the document is picked up the separation pad and separation plate prevent multiple sheets from being fed together When the document is fed to the registration ...

Page 51: ...puts drive pulses to the pickup feed motor according to the selected print mode magnification operation mode timing etc The pickup feed motor is a stepping motor Its rotation direction and speed are controlled by changing the order of drive pulses A A B B and frequency Document set sensor SR5 Delivery reversal sensor SR3 Pickup feed motor M1 Pickup clutch CL1 Timing sensor SR4 Registration sensor ...

Page 52: ...edge of the fed document moves past the delivery reversal sensor SR3 the pickup feed motor stops Immediately after this the pickup feed motor starts turning in the reverse direction to feed the document to the registration roller then it stops At this time the pressurization solenoid SL2 turns on to release the delivery reversal roller F 3 20 c Reversal feed 2 The pickup feed motor turns to feed t...

Page 53: ...on The delivery reversal roller is normally pressurized the Shift solenoid SL2 turns on only when the document is reversed for duplex print ing F 3 23 Document set sensor SR5 Pressurization solenoid SL2 Delivery reversal sensor SR3 Pickup feed motor M1 Pickup clutch CL1 Timing sensor SR4 Registration sensor SR1 Registration clutch CL2 Read sensor SR2 Image leading edge signal Document reversal Doc...

Page 54: ...ling edge registration sensor the Release motor is driven to release the read roller 1 lower driven rollers F 3 24 F 3 25 3 6 3 Operation Sequence 0024 7001 Basic operation sequence F 3 26 Read roller 1 Release motor HP sensor Release motor Read roller 1 lower rollers M2 M2 Document set sensor SR5 Delivery reversal sensor SR3 Pickup feed motor M1 Pickup clutch CL1 Timing sensor SR4 Registration se...

Page 55: ...s to the Release motor according to the doc ument feed timing The Release motor is a stepping motor Its rotation direction and speed are controlled by changing the order of drive pulses A A B B and frequency Release motor M2 Release motor HP sensor SR11 Original replacement Start key ON Document pickup signal input Document reading Document separation feed Document delivery Read stanby loop format...

Page 56: ...t machine stores its code Jam codes can be checked by outputting a jam error log report in the service mode of the host machine F 3 29 SR1 Registration sensor SR2 Read sensor SR3 Delivery reversal sensor SR5 Document set sensor SR6 Cover open closed sensor 3 8 Power Supply 3 8 1 Power Supply 0024 7004 The power supply lines are shown below This machine is powered via two power supply lines 24 V an...

Page 57: ...sal sensor where a stamp is affixed The stamp solenoid drive time is 100 ms and a stamp is affixed at the position which is about 10 mm away from the trailing edge of paper F 3 32 MEMO Fresh out of the package the stamp cartridge is good for about 7 000 documents Stamp solenoid drive signal STMP_SOL ADF driver PCB Document Stamp solenoid SL1 Document set sensor SR5 Stamp solenoid SL1 Delivery reve...

Page 58: ...n FM1 mounted on this machine always operates at full speed from the time ADF starts to feed paper until paper delivery is completed and exhausts the heat emitted by the ADF driver PCB and pickup feed motor M1 The air flow is shown below F 3 33 FM1 ...

Page 59: ...Chapter 4 Parts Replacement Procedure ...

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Page 61: ...ckup Roller Unit 4 4 4 4 1 2 Precaution about Pickup Roller Unit Installation 4 4 4 4 2 Pickup Roller Separation Roller 4 4 4 4 2 1 Removing the Pickup Roller Feed Roller 4 4 4 4 3 Separation Plate Separation Pad 4 5 4 4 3 1 Removing the Separation Pad 4 5 4 4 4 Upper Registration Roller 4 5 4 4 4 1 Points to Note When Replacing the Upper Registration Roller 4 5 4 4 5 Lower Registration Roller 4 5...

Page 62: ...ing the Document Set Sensor 4 16 4 5 6 Document Length sensor 4 17 4 5 6 1 Removing the Document Length Sensor 4 17 4 5 7 Last Document Detection Sensor 4 17 4 5 7 1 Removing the Last Document Detection Sensor 4 17 4 5 8 Release Motor HP Sensor 4 17 4 5 8 1 Removing the Release Motor HP Sensor 4 17 4 5 9 Timing Sensor 4 17 4 5 9 1 Removing the Timing Sensor 4 17 4 5 10 Pressurization Solenoid 4 17...

Page 63: ...F 5 Remove the feeder cover 1 Screw 2 1 pc Positioning pin 3 1 pc F 4 4 4 3 Drive System 4 3 1 Pickup Motor 4 3 1 1 Removing the Pickup Feed Motor 0024 7012 1 Open the feeder cover 2 Move to the back of the host machine and detach the rear cover Screw 2 pcs Points to Note When Turning Off the Main Power of the Host Machine Be sure to pull out a power supply plug with the following process before t...

Page 64: ...he feeder cover 3 Detach the front cover Screw 3 pcs 4 Remove the feeder cover Screw 1 pc Positioning pin 1 pc 5 Remove the tray holder Screw 1 pc 6 Move to the back of the host machine and detach the rear cover Screw 2 pcs 7 Disconnect the nine connectors 1 from the ADF driver PCB F 4 8 8 Remove the document tray Screw Harness guide 2 pcs Document tray harness 9 Remove the pickup feed motor toget...

Page 65: ... 4 3 5 Registration Clutch 4 3 5 1 Removing the Registration Clutch 0024 7016 1 Open the feeder cover 2 Move to the back of the host machine and detach the rear cover Screw 2 pcs 3 Remove the clutch support plate 1 Connector 2 2 pcs Screw 3 2 pcs F 4 14 Remove the rear cover with the two claws released 1 2 2 2 1 1 1 3 2 Install the pickup clutch with the clutch gear 5 white aligned with the mark W...

Page 66: ...up Roller Separation Roller 4 4 2 1 Removing the Pickup Roller Feed Roller 0024 7019 1 Open the feeder cover 2 Open the ADF 3 Detach the front cover Screw 3 pcs 4 Close the ADF 5 Remove the feeder cover Screw 1 pc Positioning pin 6 Remove the inner cover from the feeder cover Hook 2 pcs 7 Remove the pickup roller unit Resin ring 2 pcs Bearing 2 pcs Install the registration clutch with the clutch g...

Page 67: ...ont cover Screw 3 pcs 4 Remove the feeder cover Screw 1 pc Positioning pin 1 pc 5 Remove the tray holder Screw 1 pc 6 Move to the back of the host machine and detach the rear cover Screw 2 pcs 2 3 4 1 1 2 Keep the upper registration roller position adjustment top 1 in position when replacing the upper registration roller The position of the upper registration roller is factory adjusted Changing it...

Page 68: ... pc Harness F 4 23 12 Remove the pickup clutch registration clutch support base Screw 2 pcs 13 Remove the feed unit Screw 8 pcs 14 Remove the metal plate 1 Screw 2 3 pcs F 4 24 15 Remove the two timing belts 16 Remove the resin ring 1 pulley 2 gear 3 E ring 4 and bearing 5 17 Remove the gear 6 gear 7 gear 8 and bearing 9 F 4 25 18 Remove the platen roller unit 19 Detach the cover 1 Screw 2 2 pcs F...

Page 69: ... to the back of the host machine and detach the rear cover Screw 2 pcs 7 Disconnect the nine connectors 1 from the ADF driver PCB F 4 29 8 Remove the document tray Screw Harness guide 2 pcs Document tray harness 9 Remove the pickup feed motor together with the support plate Connector 1 pc Tension spring 1 pc Screw 2 pcs 10 Remove the left hinge Screw 5 pcs 11 Remove the harness guide 1 Connector 2...

Page 70: ...d detach the rear cover Screw 2 pcs 7 Disconnect the nine connectors 1 from the ADF driver PCB F 4 34 8 Remove the document tray Screw Harness guide 2 pcs Document tray harness 9 Remove the pickup feed motor together with the support plate Connector 1 pc Tension spring 1 pc Screw 2 pcs 10 Remove the left hinge Screw 5 pcs 11 Remove the harness guide 1 Connector 2 5 pcs Screw 3 1 pc Harness F 4 35 ...

Page 71: ...1 pc E ring 3 1 pc Screw 4 2 pcs Platen roller holder 5 2 pcs F 4 39 4 4 8 Read Roller 2 4 4 8 1 Removing the Read Roller 2 0024 7025 1 Remove the ADF from the host machine Screw 2 pcs 2 Open the feeder cover 3 Detach the front cover Screw 3 pcs 4 Remove the feeder cover Screw 1 pc Positioning pin 1 pc 5 Remove the tray holder Screw 1 pc 6 Move to the back of the host machine and detach the rear c...

Page 72: ...1 Remove the harness guide 1 Connector 2 5 pcs Screw 3 1 pc Harness F 4 41 12 Remove the pickup clutch registration clutch support base Screw 2 pcs 13 Remove the feed unit Screw 8 pcs 14 Remove the metal plate 1 Screw 2 3 pcs F 4 42 15 Remove the two timing belts 16 Remove the resin ring 1 pulley 2 gear 3 E ring 4 and bearing 5 17 Remove the gear 6 gear 7 gear 8 and bearing 9 F 4 43 18 Remove the ...

Page 73: ...ch the rear cover Screw 2 pcs 7 Disconnect the nine connectors 1 from the ADF driver PCB F 4 46 8 Remove the document tray Screw Harness guide 2 pcs Document tray harness 9 Remove the pickup feed motor together with the support plate Connector 1 pc Tension spring 1 pc Screw 2 pcs 10 Remove the left hinge Screw 5 pcs 11 Remove the harness guide 1 Connector 2 5 pcs Screw 3 1 pcs Harness F 4 47 12 Re...

Page 74: ...ey 2 1 pc E ring 3 1 pc Screw 4 2 pcs Platen roller holder 5 2 pcs F 4 51 4 4 10 Feeding Unit 4 4 10 1 Removing the Feed Unit 0024 7027 1 Remove the ADF from the host machine Screw 2 pcs 2 Open the feeder cover 3 Detach the front cover Screw 3 pcs 4 Remove the feeder cover Screw 1 pc Positioning pin 1 pc 5 Remove the tray holder Screw 1 pc 6 Move to the back of the host machine and detach the rear...

Page 75: ... pcs Harness F 4 54 12 Remove the pickup clutch registration clutch support base Screw 2 pcs 13 Remove the feed unit 1 Screw 2 8 pcs F 4 55 4 4 11 Feed Roller Guide 4 4 11 1 Exchanging the Feed Roller Guide 0024 7028 1 Open the ADF 2 Remove the feed roller guide 1 Screw 2 2 pcs F 4 56 3 Pell off the release paper of the new feed roller guide 4 Attach the new feed roller guide 4 4 12 Document Tray ...

Page 76: ...31 Install the fan with the arrow oriented as shown F 4 60 4 5 2 Inner Sensor of Feed Unit 4 5 2 1 Removing the Sensor in the Feed Unit 0024 7032 1 Remove the ADF from the host machine Screw 2 pcs 2 Open the feeder cover 3 Detach the front cover Screw 3 pcs 4 Remove the feeder cover Screw 1 pc Positioning pin 1 pc 5 Remove the tray holder Screw 1 pc 6 Move to the back of the host machine and detac...

Page 77: ...on clutch support base Screw 2 pcs 13 Remove the feed unit Screw 8 pcs 14 Remove the metal plate 1 Screw 2 3 pcs F 4 63 15 Remove the two timing belts 16 Remove the resin ring 1 pulley 2 gear 3 E ring 4 and bearing 5 17 Remove the gear 6 gear 7 gear 8 and bearing 9 F 4 64 18 Remove the platen roller unit 19 Detach the cover 1 Screw 2 2 pcs F 4 65 20 Remove the read roller 2 Resin ring 1 pc Pulley ...

Page 78: ...2 Move to the back of the host machine and detach the rear cover Screw 2 pcs 3 Remove the cover open closed sensor 1 Connector 2 F 4 70 4 5 5 Document Set Sensor 4 5 5 1 Removing the Document Set Sensor 0024 7035 1 Open the feeder cover 2 Move to the back of the host machine and detach the rear cover Screw 2 pcs 2 3 1 1 2 1 2 Install the document width volume with its lower gear groove 4 fitting o...

Page 79: ...the cover on the reverse side of the document tray Screw 3 pcs 2 Remove the last document detection sensor 1 Connector 2 F 4 73 4 5 8 Release Motor HP Sensor 4 5 8 1 Removing the Release Motor HP Sensor 0024 7039 1 Open the feeder cover 2 Open the ADF 3 Detach the front cover Screw 3 pcs 4 Close the ADF 5 Remove the release motor HP sensor 1 Connector 2 F 4 74 4 5 9 Timing Sensor 4 5 9 1 Removing ...

Page 80: ... 11 LED PCB 4 5 11 1 Removing the LED PCB 0024 7042 1 Open the feeder cover 2 Open the ADF 3 Detach the front cover Screw 3 pcs 4 Close the ADF 5 Remove the LED PCB 1 Screw 2 Connector 3 F 4 77 4 5 12 ADF Driver PCB 4 5 12 1 Removing the ADF Driver PCB 0024 7043 1 Open the feeder cover 2 Move to the back of the host machine and detach the rear cover Screw 2 pcs 3 Remove the ADF driver PCB 1 Connec...

Page 81: ...Chapter 4 4 19 ...

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Page 83: ...Chapter 5 Maintenance ...

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Page 85: ... 3 1 Basic Adjustment 5 4 5 3 1 1 Outline 5 4 5 3 1 2 Adjusting the Height 5 4 5 3 1 3 Adjusting the Perpendicularity 5 5 5 3 1 4 Adjusting the Read Position 5 6 5 3 1 5 Adjusting the Horizontal Registration 5 6 5 3 1 6 Adjusting the Trailing Edge Registration 5 6 5 3 1 7 Adjusting the Magnification 5 6 5 3 1 8 Adjusting the White Level 5 7 5 4 Outline of Electrical Components 5 8 5 4 1 Electric P...

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Page 87: ...feeder cover and separation guide 2 Using tweezers remove the stamp Parts to clean Cleaning method Cleaning cycle Remarks White plate pressure plate Clean with a cloth which is dampened with water or neutral detergent and squeezed hard and then wipe with a dry cloth As required Document glass large small As required or every 10000 sheets Parts of reader unit Document glass holder As required Parts...

Page 88: ...eets supplied of the parts that requires replacement when they become defective The number of document sheets that have been fed can be checked in the service mode of the host machine If the stamp is floating a jam can occur Be sure to push in the stamp until it clicks As of March 2008 No Part name Part No Quantity Expected life Remarks 1 Pickup roller FM3 6892 1 80000 sheets The number of documen...

Page 89: ...nd other part Clean these parts with care Illustration No Part name Periodic service Remarks 40000 sheets 80000 sheets 1 Pickup roller A B The number of document sheets that have been used for the ADF actually can be checked in the service mode of the host machine 2 Separation pad A B 3 Separation roller A B COPIER COUNTER FEEDER FEED 4 Upper registration roller A 5 Lower registration roller A 6 F...

Page 90: ...s nearly hidden F 5 6 2 Pulling out the set paper Pull out the paper in the direction of the arrow to check that you feel slight resistance F 5 7 No Adjustment type Parts to replace Remarks 1 Height adjustment Hinge 2 Perpendicularity adjustment Hinge 3 Reading position adjustment Platen roller 4 Side registration adjustment During installation only 5 Trailing edge registration adjustment During i...

Page 91: ...he adjusting screw counterclockwise to bring the rear spacer closer to the glass F 5 10 5 Check the height of the right hinge 1 When the DADF is closed the document hold sheet must be in contact with the document glass 6 Adjust the height of the right hinge 1 If the height is improper adjust it with the right hinge adjusting screw 1 Turning the adjusting screw clockwise reduces the front right sid...

Page 92: ...the copy against the Test Chart for the trailing edge registration as necessary make the following adjustments 3 On the Service Mode screen touch the following notations to bring up the Adjustment screen 1 FEEDER 2 ADJUST 3 DOCST if the image is displaced to the leading edge decrease the setting if the image is displaced to the trailing edge increase the setting unit of adjustment 0 1 mm 5 3 1 7 A...

Page 93: ...ent starts if it ends successfully the screen shows OK 12 Remove the paper from the copyboard glass and place it on the original tray of the DADF 13 Press DF WLVL4 on the touch panel to highlight 14 Press OK The machine executes auto adjustment duplex stream reading When the adjustment ends normally the machine indicates OK on the screen 15 If the color adjustment fails perform steps 9 to 14 again...

Page 94: ... sensor WG8 5696 J1 0007 0008 0047 0048 0094 SR4 Timing sensor WG8 5696 J2 SR5 Document set sensor WG8 5696 J2 0095 SR6 Cover open closed sensor WG8 5696 J2 0092 0093 SR9 Document length sensor 1 WG8 5696 J51 J3 SR8 Document length sensor 2 WG8 5696 J51 J3 SR7 Last document detection sensor WG8 5696 J51 J3 SR11 Release motor HP sensor WG8 5696 J5 0073 PS1 PCB 2 Document width sensor 2 FM4 3024 J3 ...

Page 95: ...tory Symb ol Name Function Part No ADF driver PCB E code M1 Motor Pickup feed motor FK2 6869 J4 M2 Release motor FK2 0207 J12 E413 SL1 Solenoid Stamp solenoid FK2 6871 J6 SL2 Pressurization solenoid FK2 0216 J5 CL1 Clutch Pickup clutch FK2 6870 J7 CL2 Registration clutch FK2 6870 J7 FM1 Fan Exhaust fan FK2 6872 J8 PCB1 ADF driver PCB ADF control FM4 3023 E400 E490 PCB3 LED PCB Indicates whether a ...

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Page 97: ...Chapter 6 Error Code ...

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Page 99: ...Contents Contents 6 1 Service Error Code 6 1 6 1 1 Error Code List 6 1 6 2 Jam Codes 6 1 6 2 1 Jam Code List 6 1 ...

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Page 101: ...2 The trailing edge of paper has not been detected when the paper has been fed by the predetermined distance since detection of it by the read sensor 0007 Delivery reversal sensor delay SR2 SR3 The delivery reversal sensor has not detected paper when the paper has been fed by the predetermined distance since reception of a read request 0008 Delivery sensor stationary SR3 The trailing edge of paper...

Page 102: ...Chapter 6 6 2 0095 Pickup NG A pickup signal has been received for 2 seconds with no document placed on the tray Code Name Sensor No Description ...

Page 103: ...Appendix ...

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Page 105: ...se motor M2 Release motor HP sensor SR11 Delivery reversal sensor SR3 Pickup feed motor M1 Pickup clutch CL1 Timing sensor SR4 Registration sensor SR1 Registration clutch CL2 Read sensor SR2 Image leading edge signal Document delivery Document reading Document separation feed Loop formation Read position Original replacement Start key ON Document pickup signal input ...

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Page 107: ...3 3 2 1 1 2 3 3 2 1 SR1 SR2 SR3 SR4 SR5 1 2 3 3 2 1 1 2 3 3 2 1 9 8 2 3 4 5 6 1 7 J106 SR6 1 2 3 3 2 1 1 2 3 1 2 3 4 1 2 3 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 1 1 2 3 3 2 1 1 2 3 3 2 1 1 2 3 3 2 1 2 3 4 5 6 1 7 8 2 3 4 5 6 1 7 11 10 9 8 2 3 4 5 6 1 7 1 2 1 2 1 2 1 2 2 3 1 2 1 2 3 1 2 3 1 8 2 3 4 5 6 1 7 2 1 PS2 PS1 Timing Sensor Read Sensor Document Set Sensor Release Motor Release Motor HP Sensor S...

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Page 109: ...Mar 10 2010 ...

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Canon DADF-AA1, Service Manual

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