Page 2 Copyright The title to this document belongs to Canon Inc., and no part of it may be reproduced, quoted, or translated into another language without the consent of Canon Inc. in writing. COPYRIGHT © 2001 CANON INC.
Page 3 REF. Provides a description of a service mode. Provides a description of the nature of an error indication. Refers to the Copier Basics Series for a better understanding of the contents. COPYRIGHT© 2001 CANON INC. CANON DADF-J1 REV.0 MAR. 2001...
Page 4 In addition, an appendix is added to offer a general timing chart, list of sig- nals/abbreviations, general circuit diagrams, and PCB diagrams. The machine comes with an Installation Procedure. Refer to the instructions in the book- let when installing the machine. COPYRIGHT© 2001 CANON INC. CANON DADF-J1 REV.0 MAR. 2001...
Page 5 Manual and Service Information bulletins to develop a good understanding of the machine, equipping themselves with the ability and skill to identify faults and to maintain the machine in good order. COPYRIGHT© 2001 CANON INC. CANON DADF-J1 REV.0 MAR. 2001...
Page 6: Table Of Contents
2.7 Pre-Reversal Pickup/Delivery ..2-57 2.3.5 Pre-Last Original Detection .. 2-24 2.7.1 Outline ........2-57 2.3.6 Detecting the Presence/Absence 2.7.2 Operations ......2-57 of an Original in the Manual Feeder ....2-25 COPYRIGHT© 2001 CANON INC. CANON DADF-J1 REV.0 MAR. 2001...
Page 7 4 Cleaning ..........4-4 Sensor ........4-5 4.1 Copyboard Glass ......4-4 4.3.3 Original Sensor ....... 4-5 4.2 Belt Assembly ....... 4-4 4.3.4 Separation Paper/Skew 4.3 Sensors .......... 4-5 Paper Sensor ......4-6 COPYRIGHT© 2001 CANON INC. CANON DADF-J1 REV.0 MAR. 2001...
Page 8 1.3.3 Adjusting the Speed of Components ........5-60 Reversal ......5-36 3.1 Sensors ........5-60 1.3.4 Checking the Sensor 3.2 Motors, Clutches, Output ........ 5-39 and Solenoids ......5-61 3.3 PCBs ........... 5-62 COPYRIGHT© 2001 CANON INC. CANON DADF-J1 REV.0 MAR. 2001...
Page 9 Paper Sensor Circuit Diagram ..A-34 3 General Circuit Diagram ....A-11 16 Special Tools ........A-35 4 ADF Controller Circuit Diagram ..A-13 17 Solvents and Oils List ..... A-35 COPYRIGHT© 2001 CANON INC. CANON DADF-J1 REV.0 MAR. 2001...
Page 13: Features
Stream Reading of All Sizes The DADF is capable of allowing stream reading for all sizes. (However, the copy ratio must be between 25% and 200%.) COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 14: Specifications
Detection of residual original Mixing of originals of Yes (of the same width) different sizes Book original Yes (40 mm or less in thickness) T01-201-01 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 15 XFU: xxxxx Operating environment Same as copier. Temperature Same as copier. Humidity Same as copier. T01-201-02 The above specifications are subject to change for engineering revisions. COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 16: Names Of Parts
3 Names of Parts 3.1 External View [1] Upper cover [4] Manual feed tray [2] Side guide [5] Front upper cover [3] ADF controller cover [6] Front lower cover F01-301-01 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 17: Cross Section
[21] Pre-reversal flapper [10] Manual feed registration roller [22] Reversing roller A [11] Manual feed stopper plate [23] Reversing roller A member [12] Delivery roller A member F01-302-01 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 18 3) Open the DADF, and remove the original from the copyboard glass, if found. 4) Put the originals back into initial sequence, and place the stack in the DADF. COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 19 Feeding belt Wipe it with a cloth moistened with water, and then dry wipe it. Or, use alcohol. Registration roller Execute cleaning in the copier’s user mode. T01-403-01 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 23: Basic Construction
LED PCB (Q4) Sub tray PCB (Q9) +24R +24V Reversal Motor motor driver PCB DC5V (Q2) (Q65) Belt motor Motor driver PCB Power supply PCB Copier F02-101-01 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 24: Communication With The Copier
The DADF uses IPC communication 2, which enables higher communication speeds than the existing mode of IPC communication. E422 E712 Indicates a fault in the communication between the DADF and the copier. COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 25: Inputs To The Adf Controller Pcb
J2-8 PI 12 When paper is present, Manual feed set MFST '1'. sensor J2-13 PI 13 Original delivery When paper is present, EJJAM sensor '1'. F02-103-01 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 26 (For details, see p. 2-19.) SW301 SSW-4 sensor Copy paper J2-4 Reference signal for Manual feed MFRGSAJ paper detection registration roller MFRGS When paper is present, '0'. paper sensor F02-103-02 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 27: Outputs From The Adf Controller Pcb
+24V J2-11 For details, Delivery motor EJMD* see p. 2-39. When '1', the fan J9-6 FAN(+24V) goes on. LOCK When the fan is at rest, '1'. F02-104-01 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 28: Basic Operations
Separates originals. Delivery motor (M5) Delivers originals and picks up manually fed originals. Separation clutch (CL) Turns on/off the pull-off roller and the separation/feed drive system. T02-201-01 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 30 CHAPTER 2 OPERATIONS AND TIMING ADF controller PCB S6(light-emitting) PI8, S4,S5 PI12 SW301 (light-emitting) PI13 PI10 F02-201-02 Sensor Arrangement COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 31: Operations
Reversal pickup/ reversal/delivery (large-size origi- nal) Manual feeder Picks up an original from Manual copy Fixed reading pickup/delivery the manual feeder, and delivers it after copying. T02-202-01 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 32: Cw Pickup/Delivery
CHAPTER 2 OPERATIONS AND TIMING 2.2.2 CW Pickup/Delivery The following is an outline of the flow of originals. Picking up Copying Delivering F02-202-01 2-10 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 33: Pre-Reversal/Reversal/Delivery (Small-Size Original)
2.2.3 Pre-Reversal/Reversal/Delivery (small-size original) The following is an outline of the flow of originals: Picking up Pre-reversing Feeding Copying the 1st side Moving To next page F02-202-02a 2-11 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 35: Reversal Pickup/Reversal/Delivery (Large-Size Originals)
The following is an outline of the flow of originals: Picking up Moving Reversing/ moving 1 Reversing/ moving 2 Copying the 1st side To next page F02-202-03a 2-13 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 36 CHAPTER 2 OPERATIONS AND TIMING From previous page Reversing/ moving 1 Reversing/ moving 2 Copying the 2nd side Delivering F02-202-03b 2-14 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 37: Manual Feeder Pickup/Delivery
CHAPTER 2 OPERATIONS AND TIMING 2.2.5 Manual Feeder Pickup/Delivery The following is an outline of the flow of originals: Picking up Stopping Switching back Copying Delivering F02-202-04 2-15 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 38: Detecting Originals
Original in manual Detects the presence/absence of an Manual feeder set sensor (PI12) feeder original in the manual feeder. T02-203-01 PI12 SW301 (light-emitting side) (light-receiving side) F02-203-01 2-16 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 39: Detecting The Presence/Absence Of An Original
When an original is detected When no original is detected ADF controller PCB ADF controller PCB (light-emitting side) (light-emitting side) Light is blocked. (light-receiving side) (light-receiving side) Original F02-203-02 2-17 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 40: Original Size Detection 1
If the original is identified as being large-size as being small-size ADF controller PCB ADF controller PCB Reflected light detected Reflected light absent Original Original F02-203-03 2-18 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 41: Original Size Detection 2
Default size SSW0 SSW1 SSW2 SSW3 SSW4 A5, A4R A4, A3 B5, B4 STMT, LTRR, LGL LTR, 279.4 x 431.8mm (11" x 17") T02-203-03 (States of Switches) 2-19 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 42 2 to identify a default size, and sends the result to the copier. In response, the copier selects the appropriate copy paper size to suit the identified size of the original. 2-20 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 43 279.4 x 431.8 412 to 472 (11" x 17") A size outside of the above ranges will be iden- tified as a non-default size. T02-203-05 2-21 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 44 Slide guide lock F02-203-06 Be sure to adjust the slide guide to suit the original size when making cop- ies. Otherwise, the original is likely to move askew. 2-22 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 45 Black (for Inch-configuration) LTRR LTRR T02-203-07 For Inch-configuration Relocate. Slide guide positioning Relocate. members (black) For A/B-configuration Slide guide positioning member (gray) Slide guide positioning member (gray) F02-203-07 2-23 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 46: Pre-Last Original Detection
A5, A4, B5, STMT, LTR Large-size: A4R, B5R, B4, LTRR, LGL, 279.4x431.8 mm (11"x17") F02-203-08 Pre-last original sensor (S8) 2nd original Separation assembly 1st original F02-203-08 2-24 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 47: Detecting The Presence/Absence Of An Original In The Manual Feeder
When the Start key is pressed, the DADF picks up the original from the manual feeder for copying. Manual set sensor (PI12) Sensor flag Original F02-203-09 2-25 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 48: Picking Up And Separating Originals
The separation assembly is equipped with a separation sensor (S4) and a skew sensor (S5) to monitor the movement of originals. Pickup rollers Feeding roller Separation sensor (S4) Skew sensor (S5) Separation belt Separation roller Feeding roller Feeding belt F02-204-01 2-26 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 49: Moving Up/Down The Pickup Roller Unit
Pulse control of pickup motor (M3) T02-204-01 Pickup roller units PI 7 PI 9 PI 8 Separation unit Home position Escape position Pickup position PI 8/9 PI 7 F02-204-02 2-27 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 50 When the pickup roller unit stops to move down, the separation clutch (CL) and the sepa- ration motor (M3) start to move the 1st original to the separation assembly. F02-204-05 2-28 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 51 When the trailing edge of the 1st original moves past the point of contact [1] of the pickup roller, the pickup roller unit once again moves down to the surface of the stack of originals to pick up the 2nd original. F02-204-07 2-29 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 52: Switching The Separation Pressure
The separation pressure lever is set to “Low” at time of shipment from the factory. Memo High F02-204-08 2-30 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 53: Separation Sensor (S4) And Skew Sensor (S5)
Separation sensor does not detect an original for Separation sensor goes on within a specific period of time a specific period of time Separation sensor (S4) Separation sensor (S4) F02-204-09 2-31 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 54 Original moving askew 10 mm or more Skew sensor (S5) Separation sensor (S4) Discrepancy detected in timing F02-204-10 2-32 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 55: Controlling The Pickup Motor (M3)
Indicates a fault in the pickup roller height sensor (PI9). Indicates a fault in the pickup roller home position sensor (PI7). Indicates a fault in the ADF controller PCB. 2-33 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 56: Controlling The Separation Motor (M4)
Indicates a fault in the separation motor (M4). Indicates a fault in the separation motor clock sensor (PI2). Indicates a fault in the ADF controller PCB. 2-34 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 57: Sequence Of Operations
Pickup motor (M3) Separation clutch (CL) Separation motor (M4) Separation sensor (S4) Skew sensor (S5) Pickup Wait Pickup Wait Home position position position position position F02-204-13 2-35 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 58: Moving/Delivering Originals
Originals are delivered by rotating the delivery motor (M5). Originals are always deliv- ered to the original delivery tray. Delivery roller Delivery tray Feeding belt F02-205-01 2-36 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 59: Controlling The Belt Motor (M2)
The CPU (Q1) on the ADF controller PCB sends the motor control signal to the belt mo- tor driver PCB. The reversal motor driver PCB serves to control the motor according to the input signal. 2-37 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 60 E402 Indicates a fault in the belt motor. Indicates a fault in the belt motor clock sensor (PI1). Indicates a fault in the ADF controller PCB. 2-38 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 61: Controlling The Delivery Motor (M5)
Indicates a fault in the delivery motor clock sensor (PI11). Indicates a fault in the ADF controller PCB. -Related Adjustments- Sensor and delivery motor adjustment At time of replacing the delivery motor. 2-39 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 62: Cw Pickup/Delivery
1) The 1st original is picked up, and its leading edge is butted against the registration roller to remove the skew. (For details of pickup operation, see 2.4 “Picking Up/Separating Originals” on p. 2-26.) 1st original Registration roller F02-206-01 2-40 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 63 Pre-registration roller paper sensor (S2) Feeding belt F02-206-03 4) The copier’s scanner starts copying operation. F02-206-04 2-41 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 64 2nd original. The 1st original is moved in the delivery direction, and stopped on the copyboard glass. Pre-registration roller paper sensor (S2) 2nd original 1st original F02-206-06 2-42 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 65 DOWN DOWN DOWN Pickup motor (M3) Separation clutch (CL) Separation motor (M4) Reversal motor (M1) Belt motor (M2) Delivery motor (M5) : motor CCW rotation. F02-206-07 2-43 COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR. 2001...
Page 67 The 1st original is moved by the feeding belt over a specific length after its trailing edge has moved past the pre-registration roller paper sensor (S2) to determine the original stop position. Pre-registration roller paper sensor (S2) F02-206-10 2-45 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 68 (S2) to determine the stop position for the 2nd original. The 1st original is delivered by the delivery roller. Pre-registration roller paper sensor (S2) Delivery roller F02-206-13 2-46 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 70: Stream Reading
When the trailing edge of the 1st original has moved past the point of contact [1] of the pickup roller, the 2nd original is picked up. 2nd original F02-206-16 2-48 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 71 At this time, the 2nd original is also moved and is kept on hold in wait position. Pre-registration roller paper sensor (S2) 2nd original F02-206-18 2-49 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 73 DOWN DOWN DOWN Pickup motor (M3) Separation motor (M4) Separation clutch (CL) Reversal motor (M1) Belt motor (M2) Delivery motor (M5) : motor CCW rotation. F02-206-19 2-51 COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR. 2001...
Page 75 (If the original is 279.4x431.8 mm (11"x17") in size, this step takes place after the movement of the original starts in step 4.) Separation sensor (S4) 2nd original F02-206-21 2-53 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 76 The copier starts reading the original in response to the image signal. At this time, the 2nd original is also moved and then stopped in wait position. Pre-registration roller paper sensor (S2) F02-206-23 2-54 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 77 Stopper plate solenoid (SL2) DOWN DOWN Pickup motor (M3) Separation clutch (CL) Separation motor (M4) Reversal motor (M1) Belt motor (M2) Delivery motor (M5) : motor CCW rotation. F02-206-24 2-55 COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR. 2001...
Page 79: Pre-Reversal Pickup/Delivery
The 1st original is moved by the reversing roller for a specific length after its trailing edge has moved past the pre-registration roller paper sensor (S2) and then stopped. Pre-registration roller paper sensor (S2) Reversing roller F02-207-02 2-57 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 80 1st original to the reversing assembly. At this time, the leading edge of the original is butted against the reversing roller to remove the skew. Butted. F02-207-05 2-58 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 81 8) When the copier’s scanner starts to move in reverse, the reversing roller and the feeding belt are rotated to move the 1st and the 2nd originals. 2nd original 1st original F02-207-08 2-59 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 82 Reversal sensor (S1) 2nd original F02-207-09 10) The copier’s scanner starts copying operation. Copying F02-207-10 2-60 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 84 Pickup motor (M3) DOWN Separation clutch (CL) Separation motor (M4) Reversal motor (M1) Reversal solenoid (SL1) Belt motor (M2) Delivery motor (M5) : motor CCW rotation F02-207-11 2-61 COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR. 2001...
Page 86: Reversal Pickup/Delivery
The 1st original is moved over a specific distance by the feeding belt after its trailing edge has moved the pre-registration roller paper sensor (2) and is stopped. Pre-registration roller paper sensor (S2) F02-208-02 2-63 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 87 (S2) and then is stopped. Pre-registration roller paper sensor (S2) F02-208-04 5) The copier’s scanner starts copying operation. Copying F02-208-05 2-64 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 88 8) The copier’s scanner starts copying operation. At this time, the 2nd original is also picked up, and its leading edge is butted against the registration roller. 2nd original Copying F02-208-08 2-65 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 89 (S2) to end the movement of the original. The 1st original is delivered by the delivery roller. Pre-registration paper sensor (S2) Delivery roller 1st original 2nd original F02-208-09 2-66 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 90: Controlling The Reversal Motor (M1)
Phase control (direction, speed of rotation) M10B Phase control (direction, speed of rotation) M10B* Phase control (direction, speed of rotation) T-Vref Sets motor rotation torque. T02-208-02 2-67 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 92 Pickup motor (M3) Separation clutch (CL) Separation motor (M4) Reversal motor (M1) Reversing solenoid (SL1) Belt motor (M2) Delivery motor (M5) : motor CCW rotation. F02-208-11 2-69 COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR. 2001...
Page 94 3) The original is moved by the delivery roller and the feeding belt, and is stopped when its leading edge reaches the reversal sensor (S1). Reversal sensor (S1) F02-209-03 2-71 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 95 6) When the copier’s scanner starts to move in reverse, the feeding belt and the delivery roller are rotated to send the original to the delivery assembly. F02-209-06 2-72 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 96: Sequence Of Operations (Large-Size, Double-Sided)
Manual feed set sensor (PI 12) Belt motor (M2) Delivery motor (M5) Delivery solenoid (SL4) Reversing solenoid (SL1) Reversal sensor (PI 1) Original delivery sensor (PI 13) F02-209-07 2-73 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 98 J-19 0019 Residual original Prior to pickup, the reversal sensor detects an original when the belt motor is driven for a specific amount. T02-301-01 2-75 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 100 (original length x 1.5) after the pre-registration roller paper sensor has de- tected its leading edge. T02-301-03 2-77 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 102 The pick signal arrives from the copier when J-E3 no original has been detected. J-E4 00E4 Initial fault At the start of operation, an original exists in PI12 the paper path. PI13 T02-301-05 2-79 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 103 Last sheet fault The belt movement for the last sheet fails. J-FE 00FE Error Jams related to the motor drive mechanism have occurred twice or less. PI11 T02-301-06 2-80 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 104 The fuse (FU2) operates to cut off the power for protection in the event an overcurrent flows into the circuit. Motor Clutch Solenoid Copier Regulator Sensor 5.8V Regulator ADF controller PCB F02-401-01 2-81 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 108: Basic Construction
4) Standing at the rear of the copier, lift the DADF to detach. The hinge foot is equipped with a locking mechanism, requiring Memo the DADF to be fully opened for removal. F03-101-03 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 109: Removing The Front Lower Cover
1.1.3 Removing the Front Cover 1) Remove the four screws [1], and detach the front cover [2] as if to slide it to the front. F03-101-04b F03-101-04c COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 110: Removing The Main Cover
2) Free the hook of the pickup assembly cover [2] from the right stay; then, de- tach it while paying attention to the hooks on the front and rear side plates. Hooks F03-101-05b COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 111 The main cover is fitted with the original tray [10], and cables are connected to it. Take extra care when removing it not to damage the cables. F03-101-06 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 112: Removing The Original Tray
[5] used to keep the link arm [4] in place, i.e., the one connecting the pickup side plate (front, rear) and the upper cover. F03-101-08 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 113: Removing The Adf Controller Cover
When the side guide lock is in the notch, the DADF is set to handle A3/A4-size sheets; upon removal, the DADF will handle sheets up to 305 mm in width. F03-101-10 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 114: Drive System
[7], and detach the reversal motor unit [8]. F03-201-02 2.1.2 Removing the Separation Mo- tor Unit 1) Remove the screw [1], and detach the separation motor sensor support plate [2]. F03-201-03 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 115: Removing The Pickup Motor Unit
2.1.3 Removing the Pickup Motor Unit 1) Remove the separation motor unit. 2) Remove the two screws [1], and detach the belt motor driver PCB unit [2]. F03-201-06 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 116 2.1.4 Removing the Belt Motor Unit 1) Remove the separation motor unit and the pickup motor unit. 2) Disconnect the connector J72 [2] of the belt motor driver PCB [1]. F03-201-09 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 117: Removing The Delivery Motor
DADF, and remove the bearing [2] and the rod [3]. F03-201-11 3) Remove the four screws [4], and detach the hinge (right) [5]. F03-201-12 3-10 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 118 7) Remove the screw [13], and detach the delivery motor [14]. If you have replaced the deliv- ery motor, be sure to adjust the sensor and the delivery motor. [12] [10] [11] F03-201-14 3-11 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 119: Feeding System
6) Remove the three screws [7], and dis- connect the connector [8]; then, detach the solenoid unit [9] from the delivery assembly front side plate. F03-301-02b 3-12 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 120 10) Remove the E-ring [16] from the deliv- [18] ery assembly front plate side; then, re- move the screw [17], and detach the bushing [18]. [17] [14] [15] F03-301-05 3-13 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 121: Removing The Pickup Roller
F03-301-07 3.1.2 Removing the Pickup Roller 1) Open the upper cover, and insert a screwdriver from above the hook; then, remove the two hooks [1]. F03-301-08a 3-14 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 122 Free the claws, and detach the cover. F03-301-08b 3) Remove the resin E-ring [3]; then, re- move the roller arm [4], and detach the pickup roller [5]. F03-301-08c 3-15 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 123: Removing The Separation Roller
3) Remove the three screws [3], and detach the three guide plates [5] from the right stay [4]. F03-301-09 4) Remove the two screws [6], and detach the lower guide [7]. F03-301-10a F03-301-10b 3-16 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 124 (front) [10]; then, shift the [11] [10] [12] gear support plate (front) [10] to the left to pull out the clutch [12] to the front. F03-301-12 3-17 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 125 [14]; then, detach the separation unit [15]. [15] F03-301-13a [15] [14] F03-301-13b 8) Remove the E-ring [16], and pull out [16] [17] the shaft [17]. F03-301-14 3-18 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 126 [21] at the rear, and detach the rod arm plate [22]. [20] F03-301-16 11) Remove the E-ring [23] and the one- [23] [24] way gear [24]. F03-301-17 3-19 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 127: Removing The Manual Feed Registration Roller
[3] from the delivery assembly front side plate. F03-301-19 4) Remove the two screws [4], and detach the manual feed registration sensor PCB assembly [5]. F03-301-20 3-20 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 128 7) Remove the E-ring [14] and the bearing [15] of the manual feed registration roller [6] (delivery assembly rear plate); then, pull out the manual feed registra- tion roller [6]. [15] [14] F03-301-23 3-21 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 129 4) Remove the E-ring [10], gear [11], par- allel pin [12], grip ring [13], and bear- ing [14] of the feeding (pull-off) roller [9] (front side plate). F03-301-26 3-22 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 130: Removing The Registration
2) Remove the two screws [3], and detach the registration sensor PCB [4]. Only when mounting it. F03-301-28 2) Remove the two screws [3], and detach the registration sensor PCB [4]. F03-301-29 3-23 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 131 [10], and bearing [11] of the registration roller [5] (rear side plate). The gear holds a pin. Take care not to lose it when removing the gear. F03-301-32 3-24 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 132 [2] and the clutch [3]. F03-301-33 3) Disconnect the two connectors [4], and remove the two screws [5]; then, detach the separation unit [6]. F03-301-34a F03-301-34b 3-25 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 133 [10] of the separation roller [9]. [10] [11] F03-301-36a When mounting the separation pressure adjusting lever, be sure that the lever is set to “Low.” "High" "Low" F03-301-36b 3-26 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 134 [9]. [15] [14] F03-301-37 8) Remove the E-ring at the rear of the [16] separation roller [9] to detach the sepa- ration belt [17]. [17] F03-301-38 3-27 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 135: Roller
[9] on the rear side plate side of the reversing roller [6] (2 pc.). The gear holds a pin. Take care not to lose it when removing the gear. F03-301-41 3-28 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 136 E-ring [16] and the bearing [17] on the rear side plate side. 6) Pull out the reversing roller [6]. [14] [15] F03-301-42a [16] [17] [16] [17] F03-301-42b 3-29 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 137: Belt
1) Remove the two screws [1], and detach the front lower cover [2]. F03-401-01 2) Turn the releasing lever [3] clockwise to decrease the tension of the belt. F03-401-02 3-30 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 138 CHAPTER 3 MECHANICAL SYSTEMS 3) Remove the mounting screws [5] (2 pc. each), and open the left/right arm [4]. F03-401-03a F03-401-03b 4) Detach the feeding belt [6]. F03-401-04 3-31 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 139: Attaching The Feeding Belt
2) Fit in the feeding belt, and pull out the screwdriver when the belt has come into contact with it; then, push in the belt. F03-401-05 3-32 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 142 *It is recommended that replacement be on a separation unit basis (FG6-7723). However, they (FG6- 7725, FE6-7724) may be replaced on their own. T04-201-01 The above values are estimates only, and are subject to change based on fu- ture data. COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 143 (S9) Pickup roller Feeding roller Separation belt Pull-off roller Registration roller Reversing roller A, member Reversing roller B, member Manual feed roller, member Delivery roller, member T04-301-01 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 144 [2] Original feeding belt [20] Delivery roller, [16] Registration roller [1] Copyboard glass member [18] Reversing roller B, member [17] Reversing roller A, member [19] Manual feed roller, member F04-301-01 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 145 If the dirt is excessive, wipe it with a cloth moistened with a solution of mild detergent; then, dry wipe it. F04-401-02 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 146: Pre-Last Original Paper Sensor
1) Remove the pickup assembly cover. (F03-301-08a,08b) 2) Clean the light-receiving area of the sensor stay and the light-emitting area at the rear of the guide plate using a blower brush. F04-401-05 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 147: Separation Paper/Skew Paper Sensor
1) Remove the reversing guide. (F03-301-28) Surface to clean 2) Clean the face of the prism behind the (back) reversing guide. F04-401-07a COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 148: Post-Registration Roller Paper Sensor
4.3.7 Reversal Paper Sensor 1) Remove the reversing guide. (F03-301- 2) Remove the two screws [1], and detach the reversal sensor [2]. F04-401-09a COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 150: Manual Feed Registration Roller Paper Sensor
1) Open the pickup assembly upper cover. 2) Remove the pickup cover. 3) Clean the surface of the roller using lint-free paper or cloth moistened with alcohol. F04-401-11 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 151: Separation Belt/Feeding Roller
F04-401-13a; in the case of LTR, as shown in F04- Against the edge of 401-13b. the paper. F04-401-13a Against the edge of the paper. Slide guide Rail F04-401-13b 4-10 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 152: Pull-Off Roller
4) Press the push switch (SW2) on the ADF controller PCB. • The reversing assembly will start. 5) Clean it with lint-free paper moistened with alcohol. F04-401-17 4-11 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 153 1) Open the pickup assembly upper cover. 2) Clean the reversing roller B [1] and the support member [2] with lint-free paper or a cloth moistened with alcohol. F04-401-19 4-12 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 154 Roller, Support Member 1) Remove the main cover. 2) Remove the two screws [1], and the de- tach the manual feed registration sensor PCB [2]. F04-401-22 4-13 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 155 4) Shift up the DADF, and open the deliv- ery lower guide [4]; then, clean the manual feed registration roller member [5] with lint-free paper or a cloth moist- ened with alcohol. F04-410-23b 4-14 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 158: Standards And Adjustments
DADF is closed. 3) After the adjustment, tighten the fixing screws on the magnet catch, and mount the front cover. (left) [4] [5] (right) F05-101-02 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 159: Adf Right Angle Adjustment
2) Place the test chart in the original tray, and make a Direct copy in stream read- ing mode. Be sure to use stream reading mode. F05-101-04 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 160 5) Tighten the fixing nut to secure the ad- justing screw. If A>0, turn the adjusting screw counterclock- wise. If B>0, turn the adjusting screw clockwise. F05-101-06 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 161: Correcting The Skew
2) Set the DIP switch (SW1) on the ADF controller PCB as indicated. F05-101-08 3) Place a single sheet of A4 or LTR copy Copy paper paper in the original tray. F05-101-09 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 162 Close the DADF, and press the push switch (SW2) on the ADF controller PCB once. Original • The original will be delivered to the delivery tray. F05-101-11 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 163 Adjust the position of the registration Screw Front cover roller. 1) Remove the four screws, and detach the front cover. F05-101-12a Front cover Screw F05-101-12b Front cover Screw Screw F05-101-12c COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 164 1) Remove the screw, and detach the ADF ADF controller cover controller cover. 2) Set the DIP switch (SW1) on the ADF controller PCB as follows. Screw F05-101-14 F05-101-15 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 165 4) Press the push switch (SW2) on the ADF controller PCB once. • The original will be picked up and stopped on the copyboard glass. LED2 SW4SW3SW2 F05-101-18 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 166 Close the DADF, and press the push switch (SW2) on the ADF controller once. • The original will be delivered to the Original delivery tray. F05-101-19a LED2 SW4SW3SW2 F05-101-19b COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 167 Adjust the position of the manual feed Screw registration roller. Front cover 1) Remove the four screws, and detach the front cover. F05-101-20a Front cover Screw F05-101-20b Front cover Screw Screw F05-101-20c 5-10 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 168 1) Remove the screw, and detach the ADF ADF controller cover controller cover. 2) Set the DIP switch (SW1) on the ADF controller PCB as indicated. Screw F05-101-22 F05-101-23 5-11 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 169 (SW2) causes the original to be picked up and stopped on the copyboard glass. (CW rotation) Another press will reverse the original and stop it on the copyboard glass. LED2 SW4SW3SW2 F05-101-25 5-12 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 170 Close the DADF, and press the push switch (SW2) on the ADF controller PCB once. Original • The original will be delivered to the delivery tray. F05-101-26 LED2 SW4SW3SW2 F05-101-27 5-13 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 171 Screw Front cover 1) Remove the four screws, and detach the front cover. F05-101-28a Front cover Screw F05-101-28b Front cover Screw Screw F05-101-28c 5-14 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 172: Horizontal Registration Adjustment
1) Remove the screw, and detach the ADF controller cover. Screw F05-101-30 2) Set the DIP switch (SW1) on the ADF controller PCB as indicated. F05-101-31 5-15 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 173 5) Open the ADF slowly, and check to make sure that C shown in the figure is as indicated. Original size Value of C 03.1±1mm 11.9±1mm T05-101-01 Original F05-101-34 5-16 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 174 3) Set the DIP switch (SW1) on the ADF controller PCB back to its initial setting, and mount the ADF controller cover. 5-17 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 175 A4 or LTR copy paper. • Be sure to butt the copy paper against the rear. F05-101-39 Butted. Manual feed tray Copy paper F05-101-40 5-18 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 176 Close the DADF, and press the push Original switch (SW2) on the ADF controller PCB once. • The original will be delivered to the delivery tray. F05-101-42 5-19 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 177: Original Stop Position Adjustment
1) Remove the screw, and detach the ADF controller cover. 2) Set the DIP switch (SW10) on the ADF controller PCB as indicated. Screw F05-101-44 F05-101-45 5-20 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 178 SW4SW3SW2 F05-101-47 5) Open the DADF slowly, and check to make sure that D indicated is 11±1 mm. Then, close the DADF slowly. Original D=11±1mm F05-101-48 5-21 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 179 Hence, press the push switch SW4 twice, and then press the push switch SW2. • The copy paper will be delivered, and the new setting will be stored in memory. 5-22 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 180 ADF controller PCB once. • A single press on the push switch (SW2) causes the original to be picked up and stopped on the copyboard glass. LED2 SW4SW3SW2 F05-101-54 5-23 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 181 F05-101-56 Switch Direction of shift Right Left T05-101-04 Holding down the push switch will not cause more than a single shift. Original F05-101-57 5-24 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 182 Hence, press the push switch SW4 twice, and press the push switch SW2. • The copy paper will be delivered, and new setting will be stored in memory. 5-25 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 183: Making Adjustments When Replacing The Major Parts
2) Mount the EEPROM removed in step 1) to the new ADF controller PCB. The EEPROM on the new ADF controller PCB will not be used. Memo 5-26 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 184: Adjusting The Sensors And The Delivery Motor
Memo sor (PI11). The result is used when generating the motor rotation speed control signal (EJMPWM*). 5-27 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 185 Take care not to cover the origi- nal sensor (S6) when placing the output. Original Original trailing sensor (S6) edge paper sensor (S7) Pre-last original paper sensor (S8) F05-102-04 5-28 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 186 The condition of a sensor is indicated in the following three levels: Condition LED2 Check or indication replace Good Alarm 1 Alarm 2 Faulty T05-102-03 5-29 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 187 Pre-last original paper sensor (S8) Delivery motor (M5) T05-102-04 2) At the end of the operation, press the push switch (SW2) on the ADF control- ler PCB. 5-30 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 188: Auxiliary Adjustment
2) Set the DIP switch (SW1) on the ADF controller PCB as follows to suit the need: Switch setting Item Pickup from tray Screw Reversal F05-103-01 Manual feed T05-103-02 5-31 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 189 • The copy paper will be picked up and stopped on the copyboard glass. • LED2 will start to flash to indicate the current value. LED2 SW4SW3SW2 F05-103-03 5-32 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 190 5) Press the push switch SW3 or SW4 on the ADF controller PCB to adjust the degree of arching by referring to the table. LED2 SW4SW3SW2 F05-103-04 5-33 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 191 F05-103-06 2) Press the push switch (W2) on the ADF controller PCB. • LED2 will start to flash to indicate the current value. LED2 SW4SW3SW2 F05-103-07 5-34 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 192 A-19 A-F0 A-05 A-1A A-F1 A-06 A-1b A-F2 A-07 A-1C A-F3 A-08 A-1d A-F4 A-09 A-1E A-F5 A-0A A-1F A-F6 A-0b *0.1% (image reproduction ratio). T05-103-05 5-35 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 193 1.3.3 Adjusting the Speed of Rever- ADF controller PCB 1) Remove the ADF cover, and set the DIP switch (SW1) on the ADF controller PCB as indicated. Screw F05-103-09 F05-103-10 5-36 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 194 A-05 A-1A A-F1 A-06 A-1b A-F2 A-07 A-1C A-F3 A-08 A-1d A-F4 A-09 A-1E A-F5 A-0A A-1F A-F6 A-0b 0.1% (rotation speed of reversal motor). T05-103-07 5-37 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 195 Decrease the speed of reversal. LED2 SW4SW3SW2 T05-103-08 F05-103-12 4) At the end of the operation, press the push switch (SW2) on the ADF control- ler. 5-38 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 196: Checking The Sensor Output
1) Remove the ADF controller cover, and ADF controller cover set the DIP switch (SW1) on the ADF controller PCB as indicated (normal op- eration mode). Screw F05-103-13 F05-103-14 5-39 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 197 Absent T05-103-10 F05-103-16 4) To end the check, press the push switch (SW2) once. • The LED2 indication will return to normal mode. LED2 SW4SW3SW2 F05-103-17 5-40 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 198: Indications
2) Set the DIP switch (SW1) on the ADF controller PCB as indicated. F05-104-01 3) Press the push switch (SW2) on the ADF controller PCB. LED2 SW4SW3SW2 F05-104-02 5-41 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 199: Tray Pickup Counter And Manual Feed Pickup Counter
3) Press the push switch (SW2) on the ADF controller PCB. • LED2 will start to flash to indicate the total number of pickups made. LED2 SW4SW3SW2 F05-104-04 5-42 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 200: Jam History
PCB as indicated. 3) Press the push switch (SW2) on the F05-104-06 ADF controller PCB. • LED2 will indicate the latest jam code. LED2 SW4SW3SW2 F05-104-07 5-43 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 201: Version Of The Software
If for Version 3.01, 4) Press the push switch (SW2) on the ADF controller PCB to end the indica- tion. LED2 SW4SW3SW2 F05-104-10 5-44 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 202: Cleaning
2) Set the DIP switch (SW1) on the ADF controller PCB as indicated. F05-105-01 3) Press the push switch (SW2) on the ADF controller PCB. LED2 SW4SW3SW2 F05-105-02 5-45 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 203 ADF controller PCB to end the opera- For A4, tion. Rail Slide guide Butt the end of paper. T05-105-03a Match the edge of paper. Slide guide Rail For LTR, T05-105-03b 5-46 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 204: Cleaning The Registration Roller
3) Place about ten sheets of copy paper in the original tray. 4) Press the push switch (SW2) on the ADF controller PCB. The operation will end automatically. LED2 SW4SW3SW2 F05-105-05 5-47 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 205 When mounting the reversing guide, do so while forcing it in the direction of the arrow. If not mounted properly, it can trigger jams. Only when mounting it. 5-48 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 206 4) Press the push switch (SW2) on the ADF controller PCB. • The reversing assembly will start to operate. LED2 SW4SW3SW2 F05-105-08 5) Clean with lint-free paper moistened with alcohol. F05-105-09 5-49 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 207: Others
• LED2 will go on or flash to indicate the width of the original each time the position of the side guide is changed. LED2 SW4SW3SW2 F05-106-02 5-50 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 208: Initializing The Backup
1.6.2 Initializing the Backup RAM 1) Remove the screw, and detach the ADF controller cover. 2) Set the DIP switch (SW1) on the ADF controller PCB as indicated. F05-106-03 5-51 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 209 • LED2 will indicate ‘0’ and go through its sequence of indication. LED2 SW4SW3SW2 F05-106-04 The counter data (jam, tray pickup, manual feed) cannot be Memo initialized. 5-52 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 210: Troubleshooting
Ω, Ω, Ω, Ω, and connect the meter probes to the connectors on the cable side as indicated. Is the resistance about 1.1Ω Ω Ω Ω Ω for each? Replace the belt motor (M2). Moter driver 5-53 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 211 Belt motor driver PCB, ADF controller PCB 5) Try replacing the belt motor driver PCB. Is the problem corrected? YES: Replace the belt motor drive PCB. Replace the ADF controller PCB. 5-54 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 212: E404
0 and 5 V when the delivery motor is rotated by hand? Replace the delivery motor clock sensor (PI11). YES: Replace the ADF controller PCB. 5-55 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 213: E405
J12-5 (+) and J12-4 (-) on the ADF controller PCB alternate be- tween 0 and 5 V? Replace the separation motor clock sensor (PI2). YES: Replace the DADF controller PCB. 5-56 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 214: E410
X1Ω Ω Ω Ω Ω , and connector the meter probe to the connec- tors on the cable side as indicated. Is the resistance about 74Ω Ω Ω Ω Ω for each? Replace the pickup motor (M3). controller PCB 5-57 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 215 Replace the pickup roller home position sensor (PI7). ADF controller PCB 6) Try replacing the ADF controller PCB. Is the problem corrected? YES: Replace the ADF controller PCB. 5-58 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 216: E422
3) Is the cable from the connector (J1) on the ADF controller PCB to the communication cable connected properly? Connect the cable properly. YES: Replace the ADF controller PCB. 5-59 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 217: Arrangement Of Electrical Components
Post-registration roller paper detection Separation paper detection Skew paper detection Original detection Original trailing edge detection Pre-last original detection Manual feed registration roller paper detection T05-301-01 5-60 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 218: Motors, Clutches, And Solenoids
Belt motor Pickup motor Separation motor Delivery motor Clutch Separation clutch Solenoid Reversing solenoid Stopper plate solenoid Pre-reversal solenoid Delivery solenoid Belt motor cooling fan T05-302-01 5-61 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 219: Pcbs
CHAPTER 5 TROUBLESHOOTING 3.3 PCBs F05-303-01 Reference Name ADF controller PCB Reversal motor driver PCB Belt motor driver PCB Pickup tray PCB Indication LED PCB T05-303-01 5-62 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 220: Leds, Check Pins, And Switches By Pcb
Some LEDs emit light when they are off because of leakage current. This is a normal condition, and must be kept in mind. 4.1.1 Arrangement of Components LED2 SW4SW3SW2 F05-401-01 5-63 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 221: Dip Switch Functions
Press the push switch (SW2) on the ADF controller PCB; press SW3 to move up or SW4 to move down. Another press on SW2 will stop it. T05-401-01a 5-64 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 222 PCB to start, and use the push switch SW3/SW4 to make adjustments. At the end, press the push switch SW2 to store the new setting. (For details, see p. 5- 31.) T05-401-01b 5-65 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 223 Sensor and Delivery Motor Auto Adjustment Press the push switch SW2 on the ADF controller PCB. The operation will end automatically. (For de- tails, see p. 5-27.) T05-401-01c 5-66 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 224 PCB. When the registration roller starts to rotate, clean with lint-free paper moistened with alcohol. To stop operation, press the push switch SW2 once again. (For details, see p. 5-48.) T05-401-01d 5-67 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 225: Reversal Motor Driver Pcb
(jam, tray pickup, manual feed pickup) will not be initialized. (For details, see p. 5-51.) T05-401-01e 4.2 Reversal Motor Driver PCB F05-402-01 4.3 Belt Motor Driver PCB F05-403-01 5-68 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 226: Pickup Tray Pcb
CHAPTER 5 TROUBLESHOOTING 4.4 Pickup Tray PCB SW301 F05-404-01 4.5 Indication LED PCB F05-405-01 5-69 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 227: Self Diagnosis
- - - - - - - - - - - - - - - - - - - Jam code '1'indicates a jam in the machine. F05-501-01 5-70 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 228: Alarms
(in reference to the number indicator. of originals) have been moved. T05-502-01 5.3 Jams For descriptions of the types of jams, see 3. “Jams” on p. 2-74. 5-71 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 229: Errors
The separation motor clock sensor (PI2) is faulty. The ADF controller PCB is faulty. Detection When the separation motor drive signal is generated, no clock signal is gen- erated for 200 msec. T05-504-01a 5-72 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 230 The backup data cannot be read; or, the data that has been read has an error. Detection When the copier is turned on, the backup data cannot be read twice; or, the data that has been read has an error. T05-504-01b 5-73 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR.2001...
Page 234 (S2) Post-registration paper sensor (S3) Pre-reversing solenoid (SL3) Belt motor (M2) Original delivery sensor (PI 13) Delivery motor (M5) Delivery solenoid (SL4) : motor CCW rotation. COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR. 2001...
Page 235 (S2) Post-registration paper sensor (S3) Pre-reversing solenoid (SL3) Belt motor (M2) Original delivery sensor (PI 13) Delivery motor (M5) Delivery solenoid (SL4) : motor CCW rotation. COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR. 2001...
Page 236 (S2) Post-registration paper sensor (S3) Pre-reversing solenoid (SL3) Belt motor (M2) Original delivery sensor (PI 13) Delivery motor (M5) Delivery solenoid (SL4) : motor CCW rotation. COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR. 2001...
Page 237 Pre-registration roller paper sensor (S2) Post-registration paper sensor (S3) Pre-reversing solenoid (SL3) Belt motor (M2) Original delivery sensor (PI 13) Delivery motor (M5) : motor CCW rotation. COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR. 2001...
Page 238 Pre-registration roller paper sensor (S2) Post-registration paper sensor (S3) Pre-reversing solenoid (SL3) Belt motor (M2) Original delivery sensor (PI 13) Delivery motor (M5) : motor CCW rotation. COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR. 2001...
Page 239 Pre-reversing solenoid (SL3) Reversing sensor (S1) Pre-Reversing sensor (PI 4) Belt motor (M2) Original delivery sensor (PI 13) Delivery motor (M5) Delivery solenoid (SL4) : motor CCW rotation. COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR. 2001...
Page 240 Post-registration paper sensor (S3) Pre-reversing solenoid (SL3) Reversal sensor (S1) Belt motor (M2) Original delivery sensor (PI 13) Delivery motor (M5) Delivery solenoid (SL4) : motor CCW rotation. COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR. 2001...
Page 241 Manual feed registration roller paper sensor (S9) Belt motor (M2) Reversal sensor (S1) Low speed Delivery motor (M5) Original delivery sensor (PI 13) : motor CCW rotation. COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR. 2001...
Page 242 Registration Rear Original Edge Detecting signal RGASAJ Registration Roller Rear Original Edge Detection Reference signal RGBS Registration Roller Front Original Edge Detection signal RGBSAJ Registration Roller Front Original Edge Detection Reference signal COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR. 2001...
Page 243 Original Rear Edge Detection Reference signal Reversal Detection signal TNSAJ Reversal Detection Reference signal TRCLK Registration Roller Clock Detection signal T-Vref Reversal Motor Rotation Torque signal A-10 COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR. 2001...
Page 244 PKH1 Pickup roller height sensor 2 PKH2 Interface cable J2_2 J2_1 TRNS TRNSAJ EDGO Reversal sensor LCVF TRCLK Left cover sensor (front) Registration roller clock sensor A-11 COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR. 2001...
Page 263: Original Sensor (Light-Emitting) Circuit Diagram
L E D 7 5 1 J 1 4 5 11 Original Sensor (light-receiving) Circuit Diagram J 1 3 6 T P S 6 1 6 C J 1 3 6 A-30 COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR. 2001...
Page 267: Manual Feed Registration Roller Paper Sensor Circuit Diagram
R 5 5 2 + 5 R R 5 5 6 J 2 5 D 5 5 2 R 5 5 8 + 5 R J 2 5 A-34 COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR. 2001...
Page 268: Special Tools
• Procure locally. plastic, rubber carbon, alcohol, • IPA (isopropyl alcohol) (external surface covers). activating agent Lubricant Driving parts, Silicone oil CK-0551 (20 g) friction parts A-35 COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON DADF-J1 REV.0 MAR. 2001...
Page 270 Prepared by Office Imaging Products Quality Assurance Center CANON INC. Printed in Japan REVISION 0 (MAR. 2001) (30359) 5-1, Hakusan 7-chome, Toride-shi, Ibaraki 302-8501 Japan COPYRIGHT© 2001 CANON INC. CANON DADF-J1 REV.0 MAR. 2001 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 271 This publication is printed on 100% recycled paper. PRINTED IN JAPAN (IMPRIME AU JAPON) 0000DI0.00-0...

Canon DADF-J1 Service Manual

Chapter 1 General Description

Chapter 2 Operations and Timing

Chapter 3 Mechanical Systems

Chapter 5 Troubleshooting

Quick Links

Troubleshooting

Related Manuals for Canon DADF-J1

Summary of Contents for Canon DADF-J1

Table of Contents