Canon DADF-B1 Service Manual

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DADF-B1

REVISION 0

FY8-13G6-000

APR. 1999

CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)

Table of Contents

Chapters

Table of Contents

Troubleshooting

Summary of Contents for Canon DADF-B1

Page 2 Prepared by OFFICE IMAGING PRODUCTS TECHNICAL SUPPORT DIVISION CANON INC. 5-1, Hakusan 7-chome, Toride, Ibaraki, 302-8501 Japan COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 3 All service persons are expected to have a good understanding of the contents of this Service Manual and all relevant Service Information bulletins, and be able to identify and isolate faults in the machine. COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 4: Table Of Contents
B. Removing the Separation Sensor (U502) ..... 3-21 Roller ........3-11 F. Removing the Reversal Outlet C. Removing the Pickup Roller .. 3-12 Sensor (U505) ..... 3-21 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 5 LAST ORIGINAL SENSOR ..A-18 ADF CONTROLLER PCB ..A-8 SPECIAL TOOLS ..... A-19 PRE-REGISTRATION SENSOR SOLVENTS AND OILS .... A-20 PCB ......... A-12 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 6 C. Warnings and Actions .... 1-5 A. External View......1-4 D. Routine Maintenance by the B. Cross Section ......1-4 User ........1-6 OPERATIONS ......1-5 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 7: Chapter 1 General Description
6. Reversal delivery flapper. It rotates the reversal delivery motor clockwise and counterclockwise to open and close the flapper, switching the feeding path. COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 8: Specifications
Weight 12.8 kg (approx.) Dimensions 583 (W) x 506 (D) x 179 (H) mm Operating environment Same as copier temperature/humidity range Table 1-201 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 9 Note: The specifications are subject to change for product improvement. Time to replace originals Point of exposure (leading edge of image) Figure 1-201 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 10: Names Of Parts
[11] Reversal delivery [3] Separation pad [8] Retaining roll registration roller [4] Separation roller [9] Feeding belt linkage roller [12] Reversing roller [5] Registration roller COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 11: Operations
6) Put the originals back into order, and place the stack on the original tray once again. 7) Press the copier’s Copy Start key. COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 12: User
If any part of the external panels of the ADF is soiled, clean it with a solution of mild detergent; then, dry wip it. COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 13 G. Detecting an Original Jam ... 2-43 A. Outline ........2-5 H. Alarm Detection ....2-47 B. Detecting an Original ..... 2-6 I. Power Supply ...... 2-50 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 14: Chapter 2 Basic Operation
ADF controller PCB Sensor Motor (Q1) Variable (Q2) Brake resistor EEPROM Indicator (Q4) LED PCB (Q3) 5 VDC power supply Power supply circuit Copier Figure 2-101 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 15: Inputs To The Adf Controller Pcb
Last original sensor + 5V J6B-12 + 24V J6FB-13 When an original blocks the J6FB-14 U504 LAST sensor, ’1’. J6FB-15 LTLED J6FB-11 J401 J1801 Figure 2-102 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 16 (When the light-blocking plate is at the sensor.) J111 The asterisk (*) indicates that the signal turns on when ’0’ (low active). Figure 2-103 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 17: Outputs From The Adf Controller Pcb
Delivery Motor (M3)" on p. 2-29. EJM2 J112 Original Set indicator (LED) +5 V J6B-1 When ’0’, the Original Set indicator J6FA-2 U507 turns on. OGLED J701 Figure 2-104 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 18: Basic Operations
The brake (BK) serves to stop the operation of the feed motor (M2). ADF controller PCB U507 U504 U508 U503 U505 Copier Figure 2-201 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 19: Detecting An Original
It detects the trailing edge of the last ADF controller PCB original. Original Set sensor Original Original Set indictor U507 U503 Prism Figure 2-202 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 20 ADF controller PCB Figure 2-204 Original Pre-registration Prism sensor U502 Feed motor Registration roller Feed motor clock sensor Figure 2-203 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 21 ±10 mm for the length of an original, and±5 mm for the width. Any lengths or widths falling outside these ranges will be assumed to represent a non-default size original. Table 2-202 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 22 (advance Original tray separation). If the last original sensor does not detect an original, the ADF controller will Figure 2-207 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 24: Picking Up And Separating Originals
Separation Separation Pickup roller roller sensor Lifter Separation pad Registration roller Pre-registration sensor Figure 2-208 2-11 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 25 At the end of this operation, the lifter starts to move down, and then the pickup roller moves up. Figure 2-210 2-12 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 26 Separation Motor Rotating Clockwise Separation motor Pickup roller Clockwise Separation roller Lifter Figure 2-213 2-13 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 28 Separation sensor (SR3) Detected by the separation sensor Not detected by the separation sensor within a specific time within a specific time Figure 2-218 2-15 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 29 (SMPWM) (SMFWD) (SMREV) ’0’ ’0’ ’0’ Stops ’1’ ’0’ ’1’ Rotates CW ’1’ ’1’ ’0’ Rotates CCW Table 2-204 2-16 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 30 Separation sensor (SR3) Original leading Original trailing Original leading Original trailing edge detected edge detected edge detected edge detected Pre-registration sensor (U502) Figure 2-220 2-17 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 31: Moving Originals
Pre-registration Feed belt sensor Feed belt drive roller Feed motor Feed belt link roller Registration roller Retaining roll Feed motor brake Figure 2-221 2-18 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 32 At the same time, the movement is decelerated gradually so that the trailing edge of the original is moved to the image leading edge position on the copyboard glass. Figure 2-223 2-19 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 34 (FMPWM) (FMFWD) (FMREV) ’0’ ’0’ ’0’ Stops ’1’ ’0’ ’1’ Rotates CW ’1’ ’1’ ’0’ Rotates CCW Table 2-205 2-21 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 35 Pre-registration sensor (U502) Registration Registration sensor OFF sensor OFF Slow down Slow down Feed motor (M2) (scanning) (scanning) Brake (BK1) Figure 2-227 2-22 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 36: Turning Over An Original/Delivery
Delivery roller Reversal delivery flapper (upper) Reversal delivery registration sensor Reversal delivery flapper (down) Reversal delivery Reversal delivery outlet sensor inlet sensor Figure 2-228 2-23 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 37 (M3) moves the original over a specific distance (until the leading edge of the original reaches the switch-back position), and stops. Figure 2-231 2-24 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 38 When the reversal delivery motor has stopped, it is rotated clockwise once again for an equivalent of 60 mm to close the flapper. Figure 2-233 2-25 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 39 60 mm to keep the flapper open. the feed motor (M2) rotates to move the original back to the original glass. Figure 2-238 Figure 2-236 2-26 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 40 The reversal delivery motor stops, and then it rotates for an equivalent of 60 mm once again to close the flapper. Figure 2-240 2-27 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 41 Small-size delivery Large-size delivery Reversal delivery flapper closed Figure 2-242 Figure 2-243 2-28 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 42 (EMPWM) (EMFWD) (EMREV) ’0’ ’0’ ’0’ Stops ’1’ ’0’ ’1’ Rotates CW ’1’ ’1’ ’0’ Rotates CCW Table 2-206 2-29 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 43 (M3) Closes Opens Closes Opens Reversal delivery flapper (open/close) Reversal registra- tion sensor (SR4) Delivery sensor Reversal delivery inlet sensor (SR4) Figure 2-245 2-30 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 44 Closes Opens Reversal delivery flapper (open/close) Reversal delivery inlet sensor (SR4) Reversal delivery registration sensor (SR5) Reversal delivery outlet sensor (U505) Figure 2-246 2-31 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 45: Movement Of Originals
(U502) detects the trailing edge of an original (OFF), the ADF is in wait for pickup of the next original. Figure 2-249 2-32 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 46 (ON), the reversal delivery motor (M3) starts to rotate clockwise. When the reversal delivery motor is rotating clockwise, the reversal delivery flapper remains closed. Figure 2-252 2-33 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 48 3. The feed motor (M2) rotates clockwise, and the original is moved to the copyboard glass. When the pre-registration sensor (U502) detects the trailing edge of the original (OFF), the ADF will be in wait for pickup. Figure 2-258 2-35 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 49 6. When the reversal delivery outlet sensor (U505) detects the leading edge of the original (ON), the feed motor (M2) stops, and then starts to rotate counterclockwise, moving the original to the copyboard glass. Figure 2-261 2-36 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 50 The reversal delivery motor stops once, and then rotates clockwise so that the reversal delivery flapper closes. Figure 2-263 2-37 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 51 3. The feed motor (M2) rotates clockwise, and the original is moved to the copyboard glass. When the pre-registration sensor (U502) detects the trailing edge of the original (OFF), the ADF will be in wait for pickup. Figure 2-267 2-38 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 52 6. When the reversal outlet sensor (U505) detects the leading edge of the original (ON), the feed motor (M2) stops once, and starts to rotate counterclockwise, causing the original to reach the copyboard glass face down. Figure 2-270 2-39 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 54 (M3) starts to rotate counterclockwise. The first original is moved to the delivery tray, and the next original is moved to the copyboard glass. Figure 2-276 2-41 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 55 The flow of originals is the same as when making single- sided copies, but scanning does not take place. 2-42 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 56: Detecting An Original Jam
U503 ..original set sensor U502 U504 ..last original sensor U508 U505 ..reversal outlet sensor U508 ..original detecting volume Figure 2-279 2-43 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 57 For example, the "Alarm and 8C Jam" indications may be turned on at the same time. The alarm indication will remain for 5 sec after removal of the jam and, thereafter, the alarm will automatically turn off. 2-44 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 58 Delivery sensor 0048 The reversal inlet sensor (SR5) doe not turn on a specific period delay (large-size, after delivery has started. double-sided) Table 2-207-1 2-45 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 59 The reversal inlet sensor (SR4) is on before the first original is initial condition separated. Reversal registration 0097 The reversal registration sensor (SR5) is on before the first sensor original is separated. Table 2-207-2 2-46 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 60: Alarm Detection
Alarm Display Screen (copier's service mode) Display Adjust Function Option Test Counter < ALARM-1 > < 1/1 > < READY > SORTER Figure 2-280-1 2-47 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 61 After the removal of the jam, the alarm (0014) will be indicated error for 5 sec; thereafter, the alarm will automatically be reset. Figure 2-207-3 2-48 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 62 To reset in response to wrong placement of originals, remove all originals from the original tray, and place them back again. The copier will indicate a message; follow the instructions. 2-49 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 63: Power Supply
Break Fuse resistor (FU2) Motor Circuit breaker (CB1) Sensor Fuse resistor Logic (FU1) Regulator Sensor IC (Q17) Copier ADF controller PCB Figure 2-281 2-50 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 64 B. Removing the Separation Sensor (U502) ..... 3-21 Roller ........3-11 F. Removing the Reversal Outlet C. Removing the Pickup Roller .. 3-12 Sensor (U505) ..... 3-21 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 65: Chapter 3 Mechanical System
[2] Rear cover 1 [3] Rear cover 2 [4] ADF controller cover [5] Timing belt cover [6] Feed belt [7] Pickup unit cover Figure 3-102 Figure 3-104 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 66 The foot of the hinge is equipped with a locking mechanism, requiring you to open the ADF fully when detaching it from the copier. Figure 3-106 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 67 ADF controller cover [9]. 4) Remove the two mounting screws 8, and detach the ADF controller cover [9]. Figure 3-108 Figure 3-108-1 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 68: Removing The Feed Belt Unit
[3]. Figure 3-110 Caution: When mounting the feed belt unit, try Figure 3-110-2 lifting the pickup middle guide [5] slightly. COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 70: Drive System
4) Detach the timing belt from the separation motor [3]. 5) Remove the two screws [4], and detach the separation motor [3]. Figure 3-201 Figure 3-203 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 71: Removing The Feed Motor (M2)
[7]. figure 3-204 3) Remove the mounting screw [4], and detach the feed motor clock sensor [3]. Figure 3-207 Figure 3-205 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 72: Reversal Delivery Unit
3) Fit the connector on the reversal delivery unit side into the groove. 4) Remove the five mounting screws [4], and detach the reversal delivery unit [3]. Figure 3-209 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 73: Removing The Reversal Delivery Motor (M3)
4) Remove the two mounting screws [4], and detach the reversal delivery motor [3]. Figure 3-209-1 Figure 3-210 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 74: Feeding System
[1]. Figure 3-302 7) Remove the two screws [5], and detach the separation pad assembly [4]. Figure 3-301-1 Figure 3-302-1 3-10 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 75: Removing The Separation Roller
3) Move the separation roller coupling [3] and the separation bushing [4] to the left with tweezers. Figure 3-303-1 3-11 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 76: Removing The Pickup Roller
[6]. Then, pull off the shaft [7], and detach the separation roller [8]. Figure 3-306 Figure 3-305 3-12 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 77: Mounting The Separation Roller Unit
Figure 3-307-1 Caution: Be sure to mount the stopper from above 3) Move the bushing [2] to the right. the separation roller holder lever. 3-13 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 78: Removing The Reversing Roller And Feed Roller
6 of the DIP switch to ON, and press the push switch (lifter descent mode; in about 3 sec, the lifter will move down and stop automatically). Figure 3-310 3-14 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 79 [12] together with its shaft in the direction of the arrow to detach. [11] [10] [16] Figure 3-314 [12] figure 3-312 3-15 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 80: Replacing The Feed Belt
[19] [17] [21] [18] [20] Figure 3-315 Figure 3-316 3) Pull out the feed belt [2]. Figure 3-317 3-16 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 81 [3] : gold-colored spring (2 pc.) [4] : silver-colored spring (4 cp.) [3] : other than [4]; silver-colored spring (8 pc.) Figure 3-318 3-17 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 82: Sensors
4) Disconnect the connector [5]. 5) Remove the two mounting screws [4], and detach the original set sensor PCB [3]. Figure 3-402 Figure 3-401 3-18 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 83: Removing The Last Original Sensor Pcb (U504)
3) Disconnect the connector [5]. 4) Remove the two mounting screws [4], and detach the last original sensor PCB [3]. Figure 3-405 figure 3-404 3-19 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 84 Figure 3-407 9) Perform original tray width adjustment discussed in B. “Electrical System” under I. “Standard and Adjustments” in Chapter 5. 3-20 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 85: Removing The Pre-Registration Sensor (U502)
Figure 3-412 4) Disconnect the connector [5]; then, remove the two mounting screws [4], and detach the pre-registration sensor PCB [3]. Figure 3-411 3-21 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 86: Ii. Consumables And Durables
CHAPTER 4 MAINTENANCE AND SERVICING PERIODICALLY REPLACED III. SCHEDULED SERVICING PARTS ........4-1 CHART ........4-2 CONSUMABLES AND DURABLES ......... 4-1 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 87 Be sure to check this reading (actual number) in the copier's service mode: COPIER>COUNTER>FEEDER-FEED. (For details, see B-4 "COUNTER" in Chapter 5.) COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 89: A. Adf Self Diagnosis
Sensors ....... 5-12 C. Using the DIP Switch ... 5-28 B. PCBs ........5-14 VI. SELF DIAGNOSIS ....5-32 A. ADF Self Diagnosis ..... 5-32 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 90: Standards And Adjust
Horizontal size plate 150mm Figure 5-101 Copy paper L1 may be anywhere as long as it is on the copy paper. Figure 5-102 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 91 Table 5-101 Hex driver 7) After adjustment, tighten the nut to secure Figure 5-103-1 the adjusting screw in place. COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 92 (working from where the reversal delivery unit cover was) so that the reversal delivery flapper [4] is as shown . Figure 5-106-1 Figure 5-106 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 93: Electrical System
6) Turn off the copier; then, turn it on once again. Caution: If you have replaced the ADF controller PCB once again, be user to initialize the EEPROM first. Figure 5-107 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 94 (DSW1) on the ADF controller PCB to controller PCB. ON; then, press the push switch (SW1). 7) Shift all bits of the DIP switch (DSW1) to OFF. Figure 5-108 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 95: Sensor (U505)
If you remove the original from the copyboard glass by hand while making adjustment, the Jam message will appear. Be sure to use the foregoing method to discharge it. COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 96 Horizontal size plate the original whenever you have changed the setting. Copy paper Decrease DOC-ST Horizontal size plate Copy paper Increase DOC-ST Figure 5-109-1 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 97 If any of the conditions applies or in 40 sec after the registration roller started to rotate, cleaning mode will end automatically. 7) Shift all bits of the DIP switch to OFF. COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 98: Troubleshooting
[ Method 1 ] Grasp the FY9-2003-000 Meter Probe extension (FY9-3038) [ Connection 2 ] Grasp the Meter FY9-2004-000 Clip Probe extension Figure 5-201 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 99: Troubleshooting Malfunctions
Press the push switch. At the end of the operation, be sure to shift all bits of the DIP switch to OFF. Table 5-202 5-10 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 100 Press the push switch. At the end of the operation, be sure to shift all bits of the DIP switch to OFF. Table 5-203 5-11 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 101: Arrangement Of The Electrical Parts
CHAPTER 5 TOROUBLESHOOTING III. ARRANGEMENT OF THE ELECTRICAL PARTS A. Motors, Solenoids, and Sensors U504 U503 U505 U502 Figure 5-301 5-12 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 102 Reversal delivery registration sensor/ delivery sensor ADF open/closed sensor Reversal delivery motor clock sensor Reversal delivery unit cover sensor LED301 Original Set indicator LED302 Table 5-301 5-13 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 103: Pcbs
Name ADF control Last original sensor (U504) Original Set sensor (U503) Pre-registration sensor (U502) Reversal outlet sensor (U505) Original set indicator Table 5-302 5-14 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 104: Variable Resistors (Vr), Light-Emitting Diodes, And Check Pins By Pcb
Some LEDs emit light even when they are off because of leakage current. This is CP17 a normal condition, and must be kept in mind. Figure 5-401 5-15 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 105: Sensor Pcbs
CHAPTER 5 TOROUBLESHOOTING B. Sensor PCBs J401 LED401 Q401 Last Original Sensor PCB Figure 5-402 Q301 LED301 J301 Original Set Sensor PCB Figure 5-403 5-16 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 106 CHAPTER 5 TROUBLESHOOTING Q201 LED201 J201 Pre-Registration Sensor PCB Figure 5-404 J501 Q501 LED501 Reversal Outlet Sensor PCB Figure 5-405 5-17 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 107: Indicator Pcb
Figure 5-406 Description LED301 Indicates the presence of an original. LED302 Indicates the presence of an original. Table 5-401 LEDs on the Indictor PCB 5-18 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 108: Service Mode And Dip Switch
: Can be used or displayed : Cannot be used or displayed When the ADF is installed, the copier's following service mode item will be disabled: COPIER>OPTION>BODY>FACE-DWN. 5-19 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 109: Service Mode
The following screen will appear. To use an ADF-related item, select FEEDER on the screen. COPIER FEEDER Initial items SORTER However, FEEDER, SORTER, FAX, and BOARD are displayed only if they are installed. BOARD Figure 5-501 5-20 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 110 (non-default originals) Note: For FEEDER, you cannot make use of the I/O, Test, or Counter mode items. For I/O, select COPIER>I/O>FEEDER. 5-21 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 111 If a jam has occurred because of this operation, be sure to open and close the feeder and the reversal assembly cover as part of jam removal. 5-22 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 112 OK key once; then, check to make sure that the notation in the upper right of the Service Mode screen changes from 'SERVICE' to 'READY'. (If 'READY', the mode has ended.) 5-23 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 113 Use it to enable or disable the mechanism used to detect SCAN- Factory default: 0 mixing of papers of different sizes (non-default). OFF (non-default size not detected) ON (non-default size detected) 5-24 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 114 Reversal delivery motor EMCK J6B-6 When the motor rotates, clock sensor (SR1) alternately between '1' and '0'. bit3 bit4 bit5 bit6 bit7 5-25 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 115 DIP switch (No. 4) bit4 DIP switch (No. 5) bit5 DIP switch (No. 6) bit6 DIP switch (No. 7) bit7 DIP switch (No. 8) 5-26 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 116 To check the number of scans made, select COPIER>COUNTER>SCANNER>SC-TTL. L-FEED indicates the number of pickup operations for large-size paper. S-FEED indicates the number of pickup operations for small-size paper. 5-27 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 117: Using The Dip Switch
6) When all is done, shift bit 5 of the DIP switch to ON, and check to make sure that the Original Set LED has turned off. 7) Shift all bits of the DIP switch to OFF. 5-28 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 118 The original will be discharged automatically when the ADF is opened and then closed. When you have checked the operation, be sure to shift all bits to OFF. 5-29 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 119 2 sec, the separation motor will stop automatically. After you have checked the operation, be sure to shift all bits to OFF. 5-30 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 120 Press the push switch once again to end the mode. Be sure to shift all bits to OFF after the work. 5-31 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 121: Self Diagnosis
2. You may continue to make copies while the ADF is out of order. Open the ADF, and place originals on the copyboard glass. 5-32 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 122: Appendix
LAST ORIGINAL SENSOR ..A-18 ADF CONTROLLER PCB ..A-8 SPECIAL TOOLS ..... A-19 PRE-REGISTRATION SENSOR SOLVENTS AND OILS .... A-20 PCB ......... A-12 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 123: General Timing Chart
Reversal delivery motor (M3) 100msec 80msec 100msec 80msec 100msec 80msec 100msec 80msec Brake(BK1) 150msec 150msec 150msec 150msec 150msec motor CW rotation/sensor ON motor CCW rotation COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 124 Reversal pickup (M2) Reversal delivery motor (M3) 80msec 100msec 80msec 100msec 80msec Brake(BK1) 150msec 150msec 150msec 150msec motor CW rotation/sensor ON motor CCW rotation COPYRIGHT © 1999 CANON INC. CANON DADF-C1 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 125 1st original picked up Reversal pickup Reversal pickup (M2) Reversal delivery motor (M3) 90msec 90msec Brake(BK1) 150msec 150msec 150msec motor CW rotation/sensor ON motor CCW rotation COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 126: Signals And Abbreviations
Reversal Delivery Outlet Paper Detection signal TURN Reversal Delivery Unit Cover Open/Closed Detection signal ECVR Reversal Delivery Registration signal/Delivery Detection signal EREG Reversal Delivery Inlet Paper Detection signal EENT COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 127: General Circuit Diagram
J100A SPM1 J100A SPM2 Separation motor FDM1 FDM2 J104 +24V +24V J100C J104 J100C J100C Feed motor J105 J105 Feed motor brake J106 J106 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 128: Adf Controller Pcb
ADF Controller PCB (1/4) +24U EDTCNT EDCNT GND5 HC14 GND4 TXD2 GND1 GND3 [ GND ] GND2 CP17 +24U ETH2 RXD2 RXD1 +24V +24V HC14 TXD1 ETH1 COPYRIGHT © 1999 CANON INC. CANON DADF-C1 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 129 BRAKE R107 R112 HC08 HC14 SMREV R121 HC08 +24V R113 HC14 EMFWD R108 HC14 FMREV HC08 FMPWM R109 R110 HC08 FMFWD HC14 +24U +24V COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 130 [ LASTS ] [ ENTLED ] LASTS LAST +24U [ EMPS ] R114 ENTLED +24U +24U EMPS ETLED ENTS [ ENTS ] OGLED ORGLED A-10 COPYRIGHT © 1999 CANON INC. CANON DADF-C1 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 131 [ TURNS ] HC08 EREGIS EREG HC08 HC14 EENTS EENT ECVRS ECVR HC08 HC14 HC14 [ ECLK ] CP13 ECLK EMCK OPENS OPEN A-11 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 132: Pre-Registration Sensor Pcb
PRE-REGISTRATION SENSOR PCB J201 J201 C202 C201 +24U R203 R204 +24U J201 +24U +24U Q202 ETLED J201 Q202 C203 LED201 R205 Q201 R201 D201 J201 A-12 COPYRIGHT © 1999 CANON INC. CANON DADF-C1 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 133: Reversal Outlet Sensor Pcb
J501 J501 C502 C501 +24U R503 R504 +24U J501 +24U +24U Q502 TNLED J501 Q501 Q502 C503 LED501 R505 R501 D501 TURN J501 A-13 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 134: Original Set Indicator Led Pcb
APPENDIX G. ORIGINAL SET INDICATOR LED PCB LED301 R301 J301 LED302 R302 OGLED J301 A-15 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 135: Original Set Sensor
C301 +24U R303 R304 R309 +24U J301 +24U +24U Q302 C304 D302 Q302 EPLED J301 C307 Q301 R305 LED301 R301 C303 R302 J301 A-17 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 136: Last Original Sensor
J401 +24U +24U Q402 C404 Q402 R411 LTLED J401 C407 Q401 C409 R405 LED401 R401 R413 C403 R402 C408 D402 R410 LAST J401 A-18 COPYRIGHT © 1999 CANON INC. CANON DADF-C1 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 137: Special Tools
A: Each service person is expected to carry one. B: Each group of five service persons is expected to carry one. C: Each workshop is expected to carry one. A-19 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 138: Solvents And Oils
Isopropyl external covers alcohol (Isopropa- nol) Lubricant Lubricating: e.g., Silicone oil Toll No.: CK-0551 (20 g) drive and friction parts. A-20 COPYRIGHT © 1999 CANON INC. CANON DADF-B1 REV.0 APR. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Page 139 Prepared by Office Imaging Products Technical Support Division Office Imaging Products Quality Assurance Center CANON INC. Printed in Japan REVISION 0 (APR.) (30809) 5-7, Hakusan 7-chome, Toride, Ibaraki, 302-8501 Japan...
Page 140 This publication is printed on 70% reprocessed paper. PRINTED IN JAPAN (IMPRIME AU JAPON) 0996S9.9-1...

Canon DADF-B1 Service Manual

Table of Contents

Chapter 2 Basic Operation

Chapter 3 Mechanical System

Chapter 5 Troubleshooting

Appendix

Quick Links

Chapters

Troubleshooting

Related Manuals for Canon DADF-B1

Summary of Contents for Canon DADF-B1

Table of Contents