Canon FY8-13FW-000DADF-A1 Service Manual

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REVSION 0

DEC. 1998

FY8-13FW-000

DADF-A1

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Summary of FY8-13FW-000DADF-A1

Page 2
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) important this documentation is published by canon inc., japan, to serve as a source of reference for work in the field. Specifications and other information contained herein may vary slightly from actual m...
Page 3: Introduction
Copyright © 1998 canon inc. Canon dadf-a1 rev. 0 dec. 1998 printed in japan (imprime au japon) i introduction this service manual provides information needed to service the dadf in the field. This service manual consists of the following chapters: chapter 1 “general description” introduces the dadf’...
Page 4: Contents
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) iii contents chapter 1 general description i. Features ................................ 1-1 ii. Specifications ...................... 1-2 a. Dadf-a1 ............................... 1-2 iii. Names of parts ....
Page 5
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) iv chapter 3 mechanical system chapter 4 maintenance and servicing i. Basic construciton ........... 3-1 a. External covers ..................... 3-1 b. Switches ................................ 3-3 c. Adju...
Page 6: Chapter 5 Troubleshooting
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) v chapter 5 troubleshooting appendix i. Standards and adjustments ........................ 5-1 a. Mechanical system ............... 5-1 b. Electrical system ................. 5-17 ii. Troubleshooting .........
Page 7: Chapter 1
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) chapter 1 general description i. Features ................................. 1-1 ii. Specifications ....................... 1-2 a. Dadf-a1 ................................... 1-2 iii. Names of parts ...........
Page 8: Features
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 1-1 chapter 1 general descripiton i. Features 1. Two types of pick-up mode top pick-up: pick-up starts with the top page. Bottom pick-up: pick-up starts with the bottom page. 2. Stamp marking the machine ca...
Page 9: II. Specifications
Chapter 1 general descripiton 1-2 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) item original pick-up original placement 1 original placement 2 original pick-up original type original size original tray delivery tray original processing mode original s...
Page 10
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 1-3 chapter 1 general descripiton note: the following must not be used as originals: • a transparency or paper with an opacity of 80% or less. • a carbon-backed sheet. • a sheet with paste-ups or binding. •...
Page 11: III. Names of Parts
Chapter 1 general descripiton 1-4 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) iii. Names of parts a. External view [1] [2] [3] [4] [5] [6] [7] [8] figure 1-301 [1] upper cover [2] side guide [3] re-circulating guide [4] original set indicator [5] ori...
Page 12: IV. Operation
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 1-5 chapter 1 general descripiton iv. Operation a. Original set indicator the original set indicator turns on when an original is placed on the original tray, and flashes when an original jams. A4/b5 a3/b4 ...
Page 13
Chapter 1 general descripiton 1-6 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) c. Routine maintenance by the user instruct the user to clean the following at least once a week: 1. Copyboard glass wipe it with a cloth moistened with water or alcohol; t...
Page 14: Chapter 2
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) chapter 2 basic operation i. Basic construction ........... 2-1 a. Outline of the electrical circuitry ...................................... 2-1 b. Communication with the copier . 2-2 c. Inputs to the dadf...
Page 15: I. Basic Construction
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2-1 chapter 2 basic operation i. Basic construction a. Outline of the electrical circuitry the machine’s electrical mechanisms are controlled by the dadf controller pcb. A microprocessor (cpu) is used on th...
Page 16
Chapter 2 basic operation 2-2 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) b. Communication with the copier the operation modes selected on the copier are communicated to the machine in an ipc communication method. Likewise, the operation states of th...
Page 17
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2-3 chapter 2 basic operation c. Inputs to the dadf controller pcb 1. Inputs to the dadf controller pcb (1/2) dadf switch ms1 ms2 s1 j203 j205 led3 s3 s4 s5 s6 s7 j212 com j2-3 +24v +5v +5v +5v +5v +5v +5v ...
Page 18
Chapter 2 basic operation 2-4 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) reversal sensor s8 3 1 2 j209 3 1 2 j9-a7 -a9 -a8 +5v 1 3 2 feeder motor clock sensor s9 1 2 3 j9-a12 -a11 -a10 +5v belt motor clock sensor s10 1 2 3 j9-b5 -b4 -b3 +5v registra...
Page 19
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2-5 chapter 2 basic operation d. Outputs to the dadf controller pcb 1. Outputs to the dadf controller pcb (1/1) stopper plate solenoid when '0', the solenoid (sl1) turns on. (the stopper plate moves down.) ...
Page 20: II. Basic Operation
Chapter 2 basic operation 2-6 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) ii. Basic operation a. Outline the machine uses four motors and one clutch to pick up, feed, and deliver originals. The pick-up motor (m1) serves to pick up originals. The feed...
Page 21: B. Operation
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2-7 chapter 2 basic operation b. Operation the machine enables the following six operations: 1. Bottom pick-up 2. Double-sided original to single-sided copy 3. 2 small-size originals to reduced page composi...
Page 22
Chapter 2 basic operation 2-8 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2. Double-sided original mode when copying the face (1st side) and the back (2nd side) of an original, the machine automatically reverses the original. Figure 2-203 pick-up ope...
Page 23
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2-9 chapter 2 basic operation 3. Reduced page compositon mode when reducing and copying two originals in page composition mode, the machine automatically picks up two originals and places them on the copybo...
Page 24
Chapter 2 basic operation 2-10 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 4. Top pick-up feeding the machine picks up the originals on the original tray from the top (first page of the stack), and places them on the copyboard glass. Each time an ori...
Page 25
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2-11 chapter 2 basic operation 5. Recirculating mode if the copier is not equipped with a sorter, this mode enables sorting of copies. Originals are copied one after another until one set of copies have bee...
Page 26: C. Detecting Originals
Chapter 2 basic operation 2-12 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) c. Detecting originals 1. Outline the machine has the following four types of document detection: 1. Detects the presence/absence of an original on the original tray. 2. Detec...
Page 27
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2-13 chapter 2 basic operation 3. Detecting the size of an original a. Outline the machine detects the size of an original in relation to the vertical (feeding) and horizontal directions of the original, en...
Page 28
Chapter 2 basic operation 2-14 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) the copier identifies the size of an original in terms of a default size based on the results of vertical and horizontal lengths communicated by the machine. Table 2-202 shows...
Page 29
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2-15 chapter 2 basic operation 4. Detecting the number of originals the number of originals is detected in terms of “stack end detection,” “last original rear edge detection,” and “original count detection....
Page 30
Chapter 2 basic operation 2-16 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) c. Original count detection the machine need not count originals when making single-sided copies of single- sided originals, signal-sided originals of double-sided originals, ...
Page 31: D. Picking Up Originals
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2-17 chapter 2 basic operation d. Picking up originals 1. Outline the machine picks up originals in either of the following two ways, each characterized by its own method: 1. Top pick-up (starting with the ...
Page 32
Chapter 2 basic operation 2-18 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2. Configuring the pick-up assembly the construction of the pick-up assembly is changed by the pick-up motor (m1). When the pick- up motor rotates clockwise, the construction ...
Page 33
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2-19 chapter 2 basic operation 3. Bottom pick-up mode a. Operation when the copy start key is pressed while originals are set on the originals tray, the following takes place: 1) pick-up separation the pick...
Page 34
Chapter 2 basic operation 2-20 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 3) feeding the feeding belt, registration roller, and feeding roller are rotated to move the original to the copyboard glass. Registration roller feeding roller feeding belt f...
Page 35
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2-21 chapter 2 basic operation b. Sequence of operations (a4, 2 originals, bottom pick-up) low-speed feeding belt cw rotation feeding belt ccw rotation pick-up sensor registration paper sensor reversal sens...
Page 36
Chapter 2 basic operation 2-22 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 4. Top pick-up mode a. Operation when top pick-up mode is executed with originals on the original tray, the following will take place: 1) pick-up separation the paper stop pla...
Page 37
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2-23 chapter 2 basic operation 3) feeding the feeding belt, registration roller, and feeding roller are rotated to move the original to the copyboard glass. Registration roller feeding roller feeding belt f...
Page 38
Chapter 2 basic operation 2-24 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) b. Sequence of operations (a4, 2 originals, top pick-up mode) the pick-up motor rotates in the direction opposite to the direction in copying mode. The feeding belt rotates cl...
Page 39: E. Reversal
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2-25 chapter 2 basic operation e. Reversal 1. Operation reversal is executed only in bottom pick- up mode; it may be either from the first side to the second side, or from the second side to the first side....
Page 40
Chapter 2 basic operation 2-26 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2. Sequence of operations (reversal) figure 2-230 cw : the feeding belt rotates cw. Ccw : the feeding belt rotates ccw. Pick-up sensor (s7) (s3) (s8) (s6) (m1) (m2) (m3) (sl3)...
Page 41: F. Reduced Page Composition
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2-27 chapter 2 basic operation f. Reduced page composition 1. Operation in reduced page composition mode, operations differ between bottom pick-up and top pick-up. When a mode is picked up and the copy star...
Page 42
Chapter 2 basic operation 2-28 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 3) reversing the 1st original/delivery switching the paper deflecting solenoid (sl3) is turned on to open the paper deflecting plate so that the 1st original is moved back to ...
Page 43
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2-29 chapter 2 basic operation 6) adjusting the sheet-to-sheet distance the clutch is turned off, and the feeding belt is rotated slowly counterclockwise, eliminating the overlap of two originals and, as a ...
Page 44
Chapter 2 basic operation 2-30 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 9) separating the 3rd original the 3rd original is picked up and stopped at the registration roller. Figure 2-240 figure 2-241 figure 2-242 figure 2-243 3rd original registrat...
Page 45
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2-31 chapter 2 basic operation 3. Sequence of operations (reduced page composition mode; bottom pick-up) figure 2-244 low-speed rotation. The feeding belt rotates clockwise. The feeding belt rotates counter...
Page 46
Chapter 2 basic operation 2-32 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 4. Top pick-up in top pick-up mode, the originals are picked up starting with the top sheet, not requiring reordering of the originals unlike bottom pick-up mode. 1) picking u...
Page 47
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2-33 chapter 2 basic operation 4) delivering the 1st and 2nd originals when the original has been read, the feeding belt is rotated counterclockwise, and the 1st and 2nd originals are delivered. If there ar...
Page 48: G. Delivery
Chapter 2 basic operation 2-34 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) g. Delivery 1. Outline the machine delivers originals in either of the following two modes: 1. Bottom pick-up mode 2. Top pick-up mode in the case of bottom pick-up mode, the ...
Page 49
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2-35 chapter 2 basic operation delivery/reversing roller feeding roller reversal sensor (s8) paper deflecting plate original tray 2. Bottom pick-up mode delivery a. Operation the machine delivers an origina...
Page 50
Chapter 2 basic operation 2-36 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) scanner 4) original tray delivery when the trailing edge of an original leaves the delivery roller, the rotation of the feeder motor switches to low speed, slowly delivering t...
Page 51
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2-37 chapter 2 basic operation c. Sequence of operations (small size; continuous pick-up/delivery) d. Sequence of operations (small size, delivery) pick-up sensor (s7) (s3) (s8) (s6) (m1) (m2) (m3) (cl) (bk...
Page 52
Chapter 2 basic operation 2-38 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 3. Top pick-up mode delivery a. Operation the machine delivers the original on the copyboard tray as follows: if a stamp command (in fax mode) arrives from the copier, the mac...
Page 53
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2-39 chapter 2 basic operation b. Sequence of operations (small size, pick-up/delivery; w/ stamp marking) figure 2-262 pick-up sensor (s7) (s3) (m1) (m2) (m3) (cl) (bk) (sl4) (sl2) (m5) registration paper s...
Page 54: H. Stamping Function
Chapter 2 basic operation 2-40 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) h. Stamping function 1. Outline the machine is equipped with a stamping function, which operates only in fax mode. The stamping mechanism operates when memory transmission or ...
Page 55
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2-41 chapter 2 basic operation 2. Operation stamping is initiated by stopping delivery operation in the middle. After the start of delivery operation, the original is moved about 20 mm from the point at whi...
Page 56
Chapter 2 basic operation 2-42 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 3. Sequence of operations belt motor delivery sensor 2 stamping solenoid delivery motor (m3) (s12) (sl4) (m5) delivery feeding stamping delivery tray delivery low speed origin...
Page 57
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2-43 chapter 2 basic operation i. Controlling the pick-up motor 1. Outline figure 2-267 is a block diagram of the pick-up motor. The feeder motor is a dc motor. The microprocessor (q1) on the dadf controlle...
Page 58
Chapter 2 basic operation 2-44 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2. Relationship between the pick-up motor drive signal (smon), pick-up motor rotation direction signal (sdir), and pick-up motor rotation speed control signal (smpwm) and the ...
Page 59
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2-45 chapter 2 basic operation j. Controlling the belt motor 1. Outline figure 2-268 is an outline diagram of the belt motor control circuit. The belt motor is a dc motor. The microprocessor (q1) on the dad...
Page 60
Chapter 2 basic operation 2-46 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2. Relationship between the belt motor drive signal (bmon), belt motor rotation direction signal (bdir), and belt motor rotation speed control signal (bmpwm) and the feeding b...
Page 61: K. Detecting Original Jams
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2-47 chapter 2 basic operation k. Detecting original jams ms1 ms2 m4 s14 s4 s1 s7 s3 s8 s12 s6 s1 original tray paper sensor s3 registration paper sensor s4 upper cover sensor figure 2-269 the timing at whi...
Page 62
Chapter 2 basic operation 2-48 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) jam type sensor type s3 s3 s8 s8 s8 s8 s3 s3 s6 s6 ms2 s4 s1 s6,s3 s8,s7 s8 s14 ms1 06h 08h 11h 12h 13h 20h 21h 23h 41h 42h 81h 82h 83h 84h 88h 89h description code pick- up r...
Page 63
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2-49 chapter 2 basic operation caution 1. Result of detection the dadf will stop operation immediately upon detection of a jam shown in table 2-209. 2. Resetting for a pick-up delay jam, the machine may be ...
Page 64
Chapter 2 basic operation 2-50 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) l. Improper placement of originals paper stopper plate s4 s1 s7 s3 s14 m4 re-circulating lever s1 original tray paper sensor s3 registration paper sensor s7 pick-up sensor s14...
Page 65
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2-51 chapter 2 basic operation fault sensor description dadf operation code re-circulating lever idle rotation s11 s7 s7 s3 s3 s14 s3 s3 01h 03h 05h 11h 12h 13h 14h 15h immediately after the re-circulation ...
Page 66
Chapter 2 basic operation 2-52 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) when a jam occurs, the host copier remembers how many originals have been copied. The count is sent to the dadf after jam removal, and the dadf circulates the originals that h...
Page 67: III. Power Supply
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2-53 chapter 2 basic operation iii. Power supply a. Outline figure 2-301 is an outline diagram of the machine’s power supply system. The machine’s power supply is provide by its host copier with 24 v (24 vp...
Page 68: Chapter 3
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) chapter 3 mechanical system i. Basic construciton ............ 3-1 a. External covers ......................... 3-1 b. Switches .................................... 3-3 c. Adjusting the dadf height ...........
Page 69: III.Basic Construction
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 3-1 chapter 3 mechanical system iii.Basic construction a. External covers [2] [1] [3] [4] [1] upper cover [2] original tray [3] body cover [4] front cover figure 3-101 remove the covers as shown when cleani...
Page 70
Chapter 3 mechanical system 3-2 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2. Removing the body cover 1) remove the seven mounting screws, and detach the body cover. [2] [1] figure 3-104 [1] [1] [1] figure 3-105 [1] [1] figure 3-106 2) remove the tw...
Page 71: B. Switches
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 3-3 chapter 3 mechanical system 3. Side guide lock the side guide of the machine is equipped with a side guide lock so that it will not open farther than 297 mm (a/a3). If an original longer in width than 2...
Page 72
Chapter 3 mechanical system 3-4 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2. Upper cover switch (ms2) 1) check to make sure that both upper cover switches (front, rear) are on when the upper cover is closed. 3. Mounting the original width detecting...
Page 73
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 3-5 chapter 3 mechanical system 5) keeping the original width detecting volume [6] as in step 4), mount it to the original tray [7], and fix it in position with screws [8]; then, connect the connector [9]. ...
Page 74: II. Drive System
Chapter 3 mechanical system 3-6 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) ii. Drive system a. Removing the pick-up motor unit 1) remove the body cover. 2) remove the tie-wrap as necessary. 3) disconnect the connector j12 [2] from the dadf controlle...
Page 75: C. Belt Motor
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 3-7 chapter 3 mechanical system 4) remove the two screws [4], and disconnect the connector [3] of the feeder motor clock sensor s9. [3] [4] [4] figure 3-205 5) detach the two drive belts [5], and detach the...
Page 76
Chapter 3 mechanical system 3-8 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 6) mark the position of the belt motor count [5] on the dadf with a scriber, and remove the three screws [6]. [6] [5] figure 3-209 7) detach the feeding belt drive roller sid...
Page 77: D. Removing The Clutch Unit
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 3-9 chapter 3 mechanical system d. Removing the clutch unit 1) remove the belt unit [1]. 2) detach the drive belt [2]. [1] [2] figure 3-213 3) remove the e-ring [3]. 4) displace the bush [4], and remove the...
Page 78: E. Delivery Motor
Chapter 3 mechanical system 3-10 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) e. Delivery motor 1) remove the body cover. 2) disconnect the three connectors [1]. [1] figure 3-216 3) remove the two screws [2], and free the cable [4] from the cable reta...
Page 79: III. Feeding System
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 3-11 chapter 3 mechanical system iii. Feeding system a. Pick-up roller 1) remove the body cover. 2) remove the two screws [1], and detach the original tray mount [2]. [1] [2] [1] figure 3-301 3) remove the ...
Page 80: B. Removing The Separation
Chapter 3 mechanical system 3-12 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) b. Removing the separation belt unit 1) remove the body cover. 2) detach the reversing roller drive belt [1]. [1] figure 3-305 3) remove the two screws [2], and detach the s...
Page 81
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 3-13 chapter 3 mechanical system 7) remove the screw [9], and detach the stopper [10]. [9] [10] figure 3-309 8) remove the e-ring [11], and detach the idler gear [12]. 9) remove the e-ring [13], and detach ...
Page 82: D. Registration Roller
Chapter 3 mechanical system 3-14 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) d. Registration roller 1) remove the dadf from the copier. 2) remove the body cover. 3) remove the feeding roller unit. 4) remove the pick-up motor unit. 5) remove the four ...
Page 83
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 3-15 chapter 3 mechanical system 9) remove the e-ring [10] and the bush [11]; then, detach the link arm shaft [12]. [10] [11] [12] figure 3-317 10) remove the two screws [13], and remove the sensor mount [1...
Page 84
Chapter 3 mechanical system 3-16 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 13) remove the grip ring [23], tension spring [24], bush [25], and two screws [26]; then, detach the registration roller [27]. [25] [26] [24] [23] [27] [26] figure 3-321 e. ...
Page 85
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 3-17 chapter 3 mechanical system 5) remove the gear [10]. (take care not to drop the pin.) [5] figure 3-323 reference: remove the gear while unlocking it. Figure 3-323-a 6) remove the grip ring [6], and rem...
Page 86
Chapter 3 mechanical system 3-18 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 8) remove the spring [11]. [11] figure 3-326 9) remove the screw [13], and detach the sensor cover; then, disconnect the sensor connector [14], and remove the registration s...
Page 87
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 3-19 chapter 3 mechanical system 11) remove the two screws [17] at the front and the two screws [18] at the rear; then, detach the reversing plate [19] to the bottom. [17] figure 3-330 (front) [19] [18] fig...
Page 88: Pick-Up Mode)
Chapter 3 mechanical system 3-20 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) f. Delivery roller unit (bottom pick-up mode) 1) remove the body cover. 2) remove the pick-up motor . 3) remove the screw [1]. [1] [2] [1] figure 3-334 4) remove the e-ring ...
Page 89
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 3-21 chapter 3 mechanical system 3) remove the two screws [4], and detach the timing belt [5] and the motor unit [6]. [4] [5] [6] [4] figure 3-338 4) remove the screw at the front and the two screws [8] at ...
Page 90: H. Reversing Guide
Chapter 3 mechanical system 3-22 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) h. Reversing guide 1) remove the body cover. 2) remove the gear [1] and the timing belt [2]. [1] [2] figure 3l-340 reference: remove the gear while unlocking it. Figure 3-34...
Page 91
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 3-23 chapter 3 mechanical system 4) remove the screw [5], and detach the solenoid unit [6]. [6] [5] figure 3-344 5) remove the reversing sensor jack [7], and the grounding cord [8]. [8] [7] figure 3-345 6) ...
Page 92: I. Stopper Plate Solenoid
Chapter 3 mechanical system 3-24 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) i. Stopper plate solenoid 1. Removing the stopper plate solenoid 1) remove the body cover. 2) remove the two screws [1], and remove the original tray mounting plate [2]. [1]...
Page 93
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 3-25 chapter 3 mechanical system 2) remove the front cover and the cover. 3) shift bits [5] and [6] of the dip switch (dsw1) on the dadf controller to on, and press the push switch. • the pick-up roller sta...
Page 94: K. Positioning The Paper
Chapter 3 mechanical system 3-26 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) k. Positioning the paper deflecting solenoid (sl3) 1) remove the body cover. 2) loosen the fixing screw [1], and tighten it when the stroke of the solenoid [2] is 4.5 mm. [1...
Page 95
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 3-27 chapter 3 mechanical system 5) remove the two screws [10] at the front and the two screws [11] at the rear; then, remove the paper guide plate [12]. [11] [12] [10] figure 3-357 6) remove the sensor fla...
Page 96: M. Feeding Belt
Chapter 3 mechanical system 3-28 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 9) disengage the two claws [20] of the stamp solenoid mount [18]; then, detach the stamp solenoid [19]. [18] [20] [19] figure 3-361 m. Feeding belt 1) remove the body cover....
Page 97
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 3-29 chapter 3 mechanical system 5) remove the four screws [8], and detach the side plate [7]. [8] [7] [8] figure 3-365 6) remove the three screws [9], and detach the delivery unit linking plate [10]. [9] [...
Page 98: IV. Cleaning
Chapter 3 mechanical system 3-30 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) iv. Cleaning a. Belt assembly 1) move the feeding belt in the direction of the arrow to dry wipe. Figure 3-401 2) place a sheet of copy paper whose center is moistened with ...
Page 99
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 3-31 chapter 3 mechanical system 2) clean the sensor s1 [3] shown in the following figure. [3] figure 3-404 2. Reflecting face (original sensor) 1) clean the reflecting face [2] of the original sensor while...
Page 100
Chapter 3 mechanical system 3-32 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 4) clean the registration sneers s3 [4] mounted on the inside the plate [3]. [3] [4] figure 3-408 4. Registration sensor led3 1) remove the screw [3], and detach the registr...
Page 101: C. Separation Flapper
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 3-33 chapter 3 mechanical system c. Separation flapper 1) remove the separation belt unit. (see the instructions given for the separation belt unit.) 2) remove the rear separation flapper [1] and the front ...
Page 102: V. Feeding
Chapter 3 mechanical system 3-34 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2. Front apply here (*ck-0551-020) figure 3-502 b.Right delivery drive assembly apply here (ck-0551-020) figure 3-503 v. Feeding the machine does not have parts requiring pe...
Page 104: Chapter 4
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) chapter 4 maintenance and servicing i. Periodically replaced parts ......................................... 4-1 ii. Consumables and durables ................................ 4-1 iii. Scheduled servicing ch...
Page 105: Periodically Replaced Parts
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 4-1 chapter 4 maintenance and servicing i. Periodically replaced parts the machine does not have parts that require periodical replacement. Ii. Consumables and durables some parts of the machine may have to...
Page 106
Chapter 4 maintenance and servicing 4-2 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) iii. Scheduled servicing chart caution: do not use solvents or oils other than those indicated herein. Or 6 months, whichever is earlier. Replace if fuzzy (made for s...
Page 107: Chapter 5
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) chapter 5 troubleshooting i. Standards and adjustments ......................... 5-1 a. Mechanical system .................... 5-1 b. Electrical system ..................... 5-17 ii. Troubleshooting ..........
Page 108: Standards and
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 5-1 chapter 5 troubleshooting i. Standards and adjustments a. Mechanical system 1 adjusting the dadf height 1) remove the copier's rear cover. Turn the bolt of the left/right support so that the distance a ...
Page 109
Chapter 5 troubleshooting 5-2 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 4) press the push switch (sw3) on the dadf controller pcb once. •the copy paper will be picked up and stopped on the copyboard glass. Sw1 tp1 j10 j15 j1 cb1 j2 j14 j12 j11 j7 j...
Page 110
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 5-3 chapter 5 troubleshooting b. Adjusting the distance to the horizontal size plate be sure to perform "removing the skew" before adjusting the distance to the horizontal size plate. 1) shift bit 1 of the ...
Page 111
Chapter 5 troubleshooting 5-4 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) original tray b a fixing screw fixing screw positioning screw figure 5-112 • relationship between the dadf original tray and l 3 2) place an a3 or 279.4×432.8-mm (11"×17") shee...
Page 112
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 5-5 chapter 5 troubleshooting 5) to adjust the original leading edge stop position, use the push switches sw1 and sw2 on the dadf control pcb. A press on each push switch will shift the original stop positi...
Page 113
Chapter 5 troubleshooting 5-6 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2. Top pick-up mode 1) shift bits 1, 4, and 5 of the dip switch (dsw1) on the dadf controller pcb to on. On 12345678 led1 led2 sw1 tp1 j10 j15 j1 cb1 j2 j14 j12 j11 j7 j6 j13 j...
Page 114
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 5-7 chapter 5 troubleshooting •push switch and shift suppose that the copy paper stop position l4 is 10 mm from the edge of the copyboard glass when the push switch (sw3) on the dadf control pcb has been pu...
Page 115
Chapter 5 troubleshooting 5-8 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 3 adjusting the sheet-to-sheet distance for reduced page composition mode be sure to perform "adjusting the dadf height" and "adjusting the original stop position" before adjus...
Page 116
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 5-9 chapter 5 troubleshooting • push switch and sheet-to-sheet distance note: if the size of the originals to be used (in feeding length) is as follows, however, set bit 7 of the dip switch (dsw1) to on. B....
Page 117
Chapter 5 troubleshooting 5-10 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 1) shift bits 1, 2, and 4 of the dip switch (dsw1) on the dadf controller pcb to on. 2) place two sheets of a4 or ltr copy paper (64 g/m 2 ) on the original tray. Be sure that...
Page 118
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 5-11 chapter 5 troubleshooting suppose that the distance between the two sheets of copy paper is 4 mm when the push switch sw3 on the dadf controller pcb is pressed once to stop the copy paper on the copybo...
Page 119
Chapter 5 troubleshooting 5-12 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 4 adjusting the dadf open/ closed switch (ms1) 1) remove the body cover (upper). 2) adjust the retaining plate so that the dadf switch ms1 turns on and off when the distance f...
Page 120
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 5-13 chapter 5 troubleshooting 1) prepare test strips for measuring feeding power. Cut an a4 or ltr sheet of copy paper (64 or 80 g/m 2 ) into strips of about 70 mm; then, paste tape on both sides of the en...
Page 121
Chapter 5 troubleshooting 5-14 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) glued in place [1] [2] glued in place figure 5-137 feeding power (g) 520±20 570±20 test strip 64 g/m 2 80 g/m 2 table 5-109 feeding power note: as a guide, try to limit the di...
Page 122
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 5-15 chapter 5 troubleshooting 11) shift bit 6 of the dip switch dsw1 on the dadf controller pcb back to off to end service mode. On 12345678 led1 led2 sw1 tp1 j10 j15 j1 cb1 j2 j14 j12 j11 j7 j6 j13 j5 j9 ...
Page 123
Chapter 5 troubleshooting 5-16 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) spring gauge (capable of measuring about 600 g; ck-0058) upper cover center test strip spring gauge match the end of the test strip and the end of the original tray. Figure 5-...
Page 124: B. Electrical System
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 5-17 chapter 5 troubleshooting b. Electrical system 1. Replacement of major parts table5-113 2. Adjusting the level of the oariginal tray paper sensor (s1)/ registration sensor (s3) s1 s3 figure 5-144 1) re...
Page 125
Chapter 5 troubleshooting 5-18 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2) push the push switch sw3 on the dadf controller pcb without placing any original on the original tray. •led1/2 on the dadf controller pcb turns on. •if led1 does not turn o...
Page 126
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 5-19 chapter 5 troubleshooting 3) place the copy paper in a4/ltr orientation, and adjust the side guides to the width of the copy paper. Figure 5-148 4) press the push switch sw3 on the dadf controller pcb....
Page 127: II. Troubleshooting
Chapter 5 troubleshooting 5-20 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) ii. Troubleshooting a. Troubleshooting malfunctions 1. E400/e712 table 5-201 parts wiring dadf controller pcb step 1 2 3 action end. (check the wiring between the copier's dc ...
Page 128
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 5-21 chapter 5 troubleshooting parts step checks yes/no action 1 no 2 yes no belt motor clock sensor (s10) set the meter range to 20 vdc, and connect the + probe to j9-b4 and the - probe to j-b3 on the dadf...
Page 129
Chapter 5 troubleshooting 5-22 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) parts step checks yes/no action 1 no 2 yes no deliver motor clock sensor (s13) set the meter range to 20 vdc, and the - probe to j14-1 on the dadf controller pcb. Does the rea...
Page 130
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 5-23 chapter 5 troubleshooting 6. E411 table 5-206 parts step checks yes/no action 1 no 2 3 4 5 yes yes no original tray paper sensor (s1) registration sensor (s3) connect the meter probes to the following ...
Page 131
Chapter 5 troubleshooting 5-24 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) iii. Arraignment of the electrical parts a. Motors, solenoids, and sensors led101 led102 s10 s14 s1 s6 s5 s13 s7 s8 s3 ms2 m5 m1 m2 m3 m4 bk cl vr sl2 sl1 sl3 sl4 ms1 s11 s12 ...
Page 132
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 5-25 chapter 5 troubleshooting vr bk m sl cl symbol name notation m1 m2 m3 m4 m5 cl bk sl1 sl2 sl3 sl4 vr s1 ms2 s1 s3 s4 s5 s6 s7 s8 s9 s10 s11 s12 s13 s14 led101 led102 description motor clutch brake sole...
Page 133: Pcb
Chapter 5 troubleshooting 5-26 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) b. Pcb [1] [2] figure 5-302 symbol name notation description dadf controller pcb indicator pcb controls the dadf. Indicates the presence of an original. [1] [2] table 5-302.
Page 134: IV. Variable
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 5-27 chapter 5 troubleshooting iv. Variable resistors, light- emitting diodes, and check pins by pcb of all variable resistors (vr), light- emitting diodes, and check pins, those needed when servicing the m...
Page 135
Chapter 5 troubleshooting 5-28 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) led description led1 led2 use it when checking the output of the origi nal tray paper sensor. Use it when checking the output of the regi stration sensor. Table 5-401 leds on ...
Page 136: Indicator Pcb
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 5-29 chapter 5 troubleshooting b. Indicator pcb led 101 led 102 2 j102 1 j101 61 figure 5-403 led101 led102 indicates the presence of an original. Indicates the presence of an original. Led description tabl...
Page 137: Dip Switch Functions
Chapter 5 troubleshooting 5-30 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) c. Dip switch functions the dip switch dsw1 on the dadf controller pcb have the functions shown in table 5-403. Table 5-403a 1 2 3 4 5 6 7 8 o n 1 2 3 4 5 6 7 8 o n 1 2 3 4 5 ...
Page 138
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 5-31 chapter 5 troubleshooting table 5-403b 1 2 3 4 5 6 7 8 o n 1 2 3 4 5 6 7 8 o n 1 2 3 4 5 6 7 8 o n 1 2 3 4 5 6 7 8 o n 1 2 3 4 5 6 7 8 o n normal operation mode dsw1 setting purpose non-default size or...
Page 139: V. Self Diagnosis
Chapter 5 troubleshooting 5-32 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) v. Self diagnosis a. Dadf self diagnosis the microprocessor on the machine's dadf controller pcb is provided with a function which checks the state of the machine and, upon de...
Page 141: Appendix
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) appendix a. General timing chart ....... A-1 b. Names and abbreviations of signals .................................... A-4 c. Dadf-a1 general circuit diagram ................................... A-5 d. Dadf...
Page 142: A. General Timing Chart
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) a-1 a. General timing chart 1 2 3 4 5 6 7 8 9 10 11 12 13 14 (s1) (s7) (s3) (s8) (s6) (s11) (m1) (m2) (m3) (cl) (sl1) (sl2) (sl3) (bk) original tray paper sensor pick-up sensor registration sensor reversal ...
Page 143
A-2 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) 2. Bottom pick-up a4, 2 original (double-sided to single-side copy) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 (s1) (s7) (s3) (s8) (s6) (s11) (m1) (m2) (m3) (cl) (sl1) (sl2) (sl3) (bk) original tray paper sensor ...
Page 144
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) a-3 3. Top pick-up mode, a4, 2 originals (single-sided original to single-side fax/single copy) 1 2 3 4 5 6 7 8 9 10 11 12 13 (s1) (s7) (s3) (s12) (s11) (m1) (m2) (m3) (cl) (sl1) (sl2) (bk) (m5) original tr...
Page 145
A-4 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) b. Names and abbreviations of signals the following are the signal names and abbreviations used in this manual and circuit diagrams. Note: the abbreviations in parentheses are analog signals, which cann...
Page 146
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) a-5 o o (white) (white) (white) (black) (blue) (white) (black) (white) (white) (white) (white) cover pi cl sl2 sl1 j203 s1 m3 m2 m1 bk j8 j13 j12 j1 j7 j6 j5 1 2 1 2 1 2 1 2 1 2 3 1 2 3 1 2 3 1 2 3 2 1 2 1 ...
Page 147
A-6 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) d. Dadf controller circuit diagram (1/6) 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 75 74 73 72 71 70 69...
Page 148
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) a-7 q11 pr clr 13 d >ck q q* 10 9 6 12 11 q11 +5v pr clr 1 4 2 3 5 6 q q* d kc +5v +5v +5v n.In inin fb tcon ct rt gnd c1 n.In inin rout ocon vcc c2 e2 e1 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 12 13 11 2 1...
Page 149
A-8 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) r59 r53 q30 q32 r60 r62 q33 q35 r61 r63 r54 q28 q31 r56 r65 r57 r133 r55 r58 q34 r64 1 2 13 12 9 10 5 4 q8 q8 q8 q8 2 1 13 12 9 10 5 4 3 11 8 6 3 11 8 6 q6 10 11 bmpwm bdir q27 +5v +24v d9 d10 r66 +5v q...
Page 150
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) a-9 q47 d22 r127 +24v q48 r141 d23 +24v d1 1 q36 r129 +5v r113 +5v r114 r115 cp10 +5v r130 +5v r131 r132 cp9 c40 j14 j14 8 7 j14 j14 9 10 ejct ＿ mrt stamp sl empwm smpsl j14 j14 j14 4 6 5 ejts2 eclk j14 j14...
Page 151
A-10 copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) – + – + – + 5 6 tp1 2 3 4 11 +5v c/r clr +5v 3 b a 13 4 q q* 2 1 q12 q12 cp7 r13 d24 +24v q57 1 r14 c42 c41 cp2 c45 15 14 c +5v q58 +5v 6 5 4 11 +5v c/r clr +5v 11 b a 5 12 q q* 10 9 q12 q12 cp8 r13 d2...
Page 152
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 dec. 1998 printed in japan (imprime au japon) a-11 vcc gnd q12 c49 +5v vcc gnd q8 c8 +5v 14 7 vcc gnd q11 c11 +5v 14 7 vcc gnd q7 c7 +5v 14 7 vcc gnd q10 c10 +5v 14 7 vcc gnd q6 c6 +5v 14 7 vcc gnd q9 c9 +5v 14 7 vcc gnd q12 c14 +5v 16 8 13 12 4 11 14 ...
Page 153: E. Display Board
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 nov. 1998 printed in japan (imprime au japon) a-13 appendix e. Display board r101 r102 r103 led 101 led 102 pi101 j101 j102 3 2 1 a k e c 4 5 6 1 2.
Page 154: F.Special Tools
Appendix a-14 copyright © 1998 canon inc. Canon dadf-a1 rev.0 nov. 1998 printed in japan (imprime au japon) f.Special tools you will need the following special tools in addition to the standard tools set: the following applies: a: each service person is expected to carry one. B: each group of five s...
Page 155: G. Solvents and Oils
Copyright © 1998 canon inc. Canon dadf-a1 rev.0 nov. 1998 printed in japan (imprime au japon) a-15 appendix g. Solvents and oils remarks •do not bring near fire. •procure locally. Tool no.: ck-0551 (20 g) tool no.: tkn-0454 no 1 2 3 name alcohol lubricant cleaning tissue uses cleaning; e.G., glass, ...
Page 156
Prepared by office imaging products technical support dept.1 office imaging products technical support div. Office imaging products quality assurance center. Canon inc. Printed in japan revision 0 (dec. 1998) (30809) 5-7, hakusan, 7-chome, toride-city, ibaraki-pref., 302-8501, japan.
Page 157
0996s9.9-1 printed in japan (imprime au japon) this publication is printed on 70% reprocessed paper..