Canon imageFORMULA ScanFront 400 Service Manual

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SERVICE

MANUAL

imageFORMULA

ScanFront 400

December 6, 2016

Rev. 2

CANON imageFORMULA ScanFront 400 Rev. 2 PRINTED IN U.S.A.

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Summary of Contents for Canon imageFORMULA ScanFront 400

Page 1 ScanFront 400 SERVICE MANUAL December 6, 2016 Rev. 2 COPYRIGHT  2016 CANON INC. CANON imageFORMULA ScanFront 400 Rev. 2 PRINTED IN U.S.A.
Page 3 This is one way of fostering response for ensuring prolonged quality and function, and for investigating the cause of trouble during troubleshooting. “ScanFront 400” is abbreviated to SF-400 in this manual. Quality Assurance Center Canon Electronics Inc. COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 4 1. Outline ..........2-21 7. Feed Motor ........3-16 2. Lithium Battery ........2-22 8. Main Motor ........3-17 ELECTRICAL PARTS LAYOUT ..... 2-23 9. Dust Cover ........3-18 10. Clutch ..........3-19 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 5 3. Exiting Service Mode ......5-12 3. Poor Communication ......5-55 B. Scanner Information ......5-13 VIII. OPERATION TROUBLESHOOTING ..5-56 1. Version ..........5-13 1. Power Does Not Come ON ....5-56 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 6 ..........5-65 2. The network cannot connect to the machine ........... 5-66 XI. AFTER REPLACING PARTS ....5-67 APPENDIX GENERAL DIAGRAM ......A-1 LIST OF SPECIAL TOOLS ...... A-2 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 9 “Windows” is a trademark of Microsoft Corporation in the U.S. and other countries. Other company names and product names mentioned in this document are registered trademarks or trademarks of the respective companies. COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 10 1) DDR3 SO-DIMM for program area/image area: 2GBytes 2) MicroSD Card for OS/set-up variables/address book: 8GBytes Operation/Display 1) 10.1-inch TFT WSVGA (1024x600 pixels) 260,000-color liquid-crystal display 2) Capacitance touch panel Table 1-101a COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 11 18 ppm/36 ipm 600 dpi 8 ppm/16 ipm 200 dpi 45 ppm/90 ipm 300 dpi 35 ppm/70 ipm Color 400 dpi 8 ppm/16 ipm 600 dpi 3.5 ppm/7 ipm Table 1-101b COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 12 2) Eject: Same as for Pickup Double feed detection 1) Length detection by registration sensor 2) Double feed detection by ultrasonic sensor Table 1-101c  External dimensions (Unit: mm) Figure 1-101 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 13 This machine complies with some stand- ards regarding electromagnetic wave in- terference, such as VCCI and FCC. However, the user may have to take countermeasures if the machine causes electromagnetic wave interference. COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 14 Power button  USB port (Side face)  Eject tray support Note: The “panel unit” is referred to as the “front unit” in Chapter 2 and later chapters of this document. COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 15 2) The format must be FAT16 or FAT32. 3) Special USB memories with a security function, a data encryption function or a password function cannot be used. CD-ROM-type USB memories cannot be used either. COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 16 Figure 1-304 Power button Figure 1-306  Turning off the machine Press [Power off] displayed at the lower left of the screen to turn off the machine. Figure 1-305 Figure 1-307 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 17 CHAPTER 1 GENERAL DESCRIPTION 2. Flow of Scanner Operations The procedure and screen transitions for the process from turning the machine ON to sending an image file are as follows. Figure 1-308 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 19 POWER SUPPLY ........2-21 READING SYSTEM ......... 2-8 ELECTRICAL PARTS LAYOUT ..... 2-23 III. FEED SYSTEM ........2-10 VII. PARTS LAYOUT ON EACH PCB ... 2-26 CONTROL SYSTEM ......2-16 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 21 1. System Configuration This machine has both the normal This machine is a network scanner. mode that uses Canon’s built-in web ap- This machine makes it possible to transfer plication and the web app mode that uses scanned image data to a shared folder on...
Page 22 CHAPTER 2 FUNCTIONS & OPERATION 2. Basic Software Configuration The basic software configuration within SF-400 is shown below. Figure 2-102 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 23 AC power with the packaged and a system control section. AC adapter, to the machine motherboard. The image processing section controls the COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 25 An overview of the electrical circuits block diagram of this machine is shown below. The overall system is controlled by the motherboard and the scanning system is by the control PCB. Figure 2-105 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 26 Once the machine starts scanning, it activates the feed motor and the main motor, and feeds the document after initial operation. Figure 2-106 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 27 Before training courses provided by each sales checking operations of the machine, obtain company. necessary information from the user or the network administrator. The personal in- Figure 2-107 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 28 The upper and lower reading units have the same configuration but the different holder shapes. The scanning unit consists of CIS unit, holder, and cover. COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 29 CIS trol PCB recording the shading correction PCB. value. Since the white reference sheet is placed under the reading glass, document feeding does not cause dirt on it. COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 30  Registration roller (drive) Post-registration sensor detection point   Registration roller (follower) Ultrasonic sensor detection point   Eject roller (drive) Upper reading unit  Lower reading unit 2-10 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 31 When this torque exceeds the retard roller from the lower side of the placed docu- torque, the retard roller rotates in the di- ment. rection to feed the document due to the torque limiter. 2-11 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 32 When a system to follow the drive speed of the misfeed or double feed (faulty separation) registration roller. occurs, scanning is able to continue if the 2-12 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 33 The following shows the state when a double fed document begins to be re- turned. Retard roller Ultrasonic sensor Resist roller Feed roller Pre-registration sensor detection point Post-registration sensor detection point Figure 2-305 2-13 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 34 There are 2 types of double feed detection double feed can be judged even if the overlap methods : the document length detection is short. by the registration sensor and the docu- 2-14 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 36 SD Card (8GBytes). The block diagram and the main func- cluding scanning and networking systems tion list of ICs are shown below. is controlled by the motherboard. The OS Figure 2-401 2-16 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 37 Serial Flash ROM Saves Mac address and Ethernet Controller firm Embedded Controller Manages power supply SPI Flash ROM Saves Ethernet Controller firm USB Hub IC USB hub Table 2-401 2-17 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 38 Stores image data temporarily, and serves as a work memory for the Scanner Controller IC17 Motor Driver Drives the main motor IC16 Motor Driver Drives the feed motor Table 2-402 2-18 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 39 CHAPTER 2 FUNCTIONS & OPERATION 3. Image Processing Control The block diagram of the image pro- cessing in the main body is shown below. Figure 2-403 2-19 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 40 USB interface. Inside the motherboard, the various image processing is executed according to the user settings using the driver for this machine. 2-20 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 41 In case of excess voltage or current which the main unit set elapses. applied to the AC adapter output, the safety system cuts the power. In this case, unplug Figure 2-501 2-21 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 42 Do not throw it in the fire. Store it out of the reach of children. Follow battery manufacturer’s instructions or local regulations when disposing a used battery or a PCB mounting a battery. 2-22 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 43 PCB1 Interface board PCB2 Control PCB PCB3 Unit Lower reading unit UNT1 Note: For the parts on the PCBs, refer to “VII. PARTS LAYOUT ON EACH PCB”. Table 2-601 2-23 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 44 Figure 2-602 Category Name Symbol Sub PCB PCB4 Unit Upper reading unit UNT2 Note: For the parts on the PCBs, refer to “VII. PARTS LAYOUT ON EACH PCB”. Table 2-602 2-24 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 45 Power switch PCB PCB5 Panel Relay PCB PCB6 Unit UNT3 Touch panel UNT4 Note: For the parts on the PCBs, refer to “VII. PARTS LAYOUT ON EACH PCB”. Table 2-603 2-25 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 46 Connector for USB (dou- ble) DC power connector Table 2-701 Note1: SO-DIMM Memory SO-DIMM is inserted into the connector J2 and this is included with the service part motherboard. 2-26 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 47 Connector for front side CIS J112 Connector for clutch J114 Connector for ultrasonic drive PCB J120 Power supply connector for scanner controller (to be connected to mother board Table 2-703 2-27 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 48 LED3/Q3 Pre-registration sensor LED6/Q21 Post-registration (left) sensor LED7/Q23 Post-registration (right) sensor LED5/Q5 Document stand document detection sensor Upper cover opening closing detection sensor Passport feed detection sensor Table 2-706 2-28 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 49 CHAPTER 2 FUNCTIONS & OPERATION 4. Interface Circuit Board Figure 2-704 Connector Description J901 Connector for external cir- cuit board (To be con- nected to mother board J8) J902 USB connector Table 2-707 2-29 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 50 Connector for LCD and touch panel (to be con- nected to mother board J1) J1002 Connector for connecting J1003 Connector for connecting touch panel J1005 Connector for power switch Table 2-708 2-30 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 51 Connector for power switch Power supply SW PCB (To be connected to LED1 Power supply LED (Lighting: LCT/TP circuit board) Power ON, Blinking: in sus- pended condition) Table 2-709 Table 2-710 2-31 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 53 Note: The machine shown in the photographs of the figures in this chapter may be different from some mass-produced machines. EXTERNAL PARTS ........3-1 III. BASE UNIT ..........3-11 FRONT UNIT ..........3-3 READING UNIT ........3-22 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 55 6 on the left side, and remove the document eject tray. Note: When the document eject tray is re- moved, the document eject tray hinge unit may be removed. COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 56  Notes on assembling When mounting the document eject tray, be careful not to damage the base unit by the end of the center torsion spring. Figure 3-103 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 57 2) Put the main unit on its side as shown in the below figure, and unhook the fitting part  (4 places) . Note: Unhook the fitting parts by bending the hooks in the upward direction. Figure 3-203 Figure 3-202 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 58 1) Remove the front panel assembly. (Page 3-3) 2) Remove the 2 screws  (M3x10, BH, self-tapping) and remove the document eject slot cover  Figure 3-204 Figure 3-205 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 59 Figure 3-207 If the surface of the display panel is stained with fingerprints, etc., clean it be- fore assembling. This also applies to the inner surface of the touch panel. COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 60 There should not be any raised parts. When you attach the Reinforcement plate, you should attach the screws with a turn of    → → ② ③ ① Figure 3-208 Figure 3-209b COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 61 Mount the bearing so that the flat face is facing toward you. When fixing the stop cam drive unit with the screws, first tighten the upper screw and then tighten the lower one. COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 62 5) Open the front unit  , and remove it from the base unit by sliding it to the direction of the arrow. Figure 3-213 Figure 3-215 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 64 The end of the coil spring should touch the central flat side of the axle. Figure 3-218  Notes on assembling The end of the coil spring should touch the central flat side of the axle. 3-10 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 65 3) Put the main unit on its side, remove the 5 screws (M3, BH, round head), and  open the mounting plate (with PCB) by  Figure 3-303 rotating it toward you. Figure 3-302 3-11 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 66 The face type connector may be damaged Figure 3-305 if you attach it obliquely. To attach it correctly, press down the center of the connector in vertical direc- tion. 3-12 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 67 Make sure that the positive electrode (+) of the lithium battery faces the AC adapter connector when installing it. The polarity is marked on the battery. Do not short out the battery. 3-13 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 68 4) Remove the mounting plate  (with con- trol PCB) from the fitting part  (2 places) , disconnect the 2 connectors  for read- ing unit. Figure 3-308 Figure 3-310 3-14 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 69 3) Open the front unit, and rotate the damper unit in the direction of the arrow while  slightly lifting the damper rod to re-  move the damper unit from the fitting part  Figure 3-313 3-15 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 70 3 seconds or longer with the setting of color 600dpi, and then tighten the screw  For details of service mode, refer to "CHAPTER 5 IV. SERVICE MODE ". Figure 3-316 3-16 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 71 3 seconds or longer with the setting of color 600dpi, and then tighten the screw  For details of service mode, refer to "CHAPTER 5 IV. SERVICE MODE ". Figure 3-319 3-17 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 72 , and then remove the dust cover. Note: Once you remove the dust cover, you will be able to access and remove the ultrasonic drive PCB. Figure 3-321 Figure 3-320 3-18 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 73 Figure 3-322 3) Remove a retaining ring and slide the  Figure 3-324 bearing in the direction of the arrow to  remove the feed drive/clutch assembly  Figure 3-323 3-19 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 74  (2 places) . It is easy to unhook the lower fitting part first. Then, remove the belt from the pulley. Figure 3-326 Figure 3-325 3-20 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 75 Figure 3-329 PCB). Refer to "5. Control PCB". Note: After fixing the main motor mounting (Page 3-14) plate, adjust the belt tension referring to "8. Main Motor". (Page 3-17) 3-21 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 76 Check if the upper reading unit move smoothly when the unit is attached. If it does not move smoothly, attach it again. Figure 3-401 3-22 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 81 7) Warranty etc. (depending on the region) Figure 4-102 Note: Make sure to use the AC adapter and power cord supplied with the ma- 3) Remove the sheet. chine. Figure 4-103 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 82 Lock lever Figure 4-104 Figure 4-107 5) Remove the sheet. 8) Close the eject tray gently. Figure 4-105 6) Remove the stopper and sheet from the feed roller. Figure 4-106 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 83 Setting of the ScanFront main body is performed. Setting the de- Check the [device name] and [IP ad- vice's network dress] set in the ScanFront main body. settings Table 4-101a COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 84 Selection of login Selects user login screen. type Network test Tests communication between ScanFront and other devices on the network. Administrator set- Registers the administrator password tings and email address. Table 4-101b COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 85 3 years the BIOS screen. (Note2) Note1: Refer to “Chapter 2, V. POWER SUPPLY, 2. Lithium Battery.” Note2: Refer to “Chapter 5, VI. OTHER OPERATIONS, 2. Battery replacement.” Table 4-202 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 86 Eject roller MA3-0671-000 Follower roller MA2-9469-000 Feed motor MH7-1174-000 For document feed Main motor MH7-1199-000 For document separation LCD unit MF1-4901-000 Panel relay board MG1-5075-000 Power supply adapter MG1-5039-020 Table 4-203 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 87 Other rollers ▲ body. ▲ Feed path Use such as commercially available air blowers to remove any dust and paper par- ticles that have accumulated on the feed. Table 4-301 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 88 Feed roller Figure 4-304 Figure 4-301 Other rollers • Touch panel • ※ Cleaning required ※ Cleaning required Figure 4-305 Figure 4-302 Scanning glass • ※ Cleaning required Figure 4-303 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 89 Press [Roller counter reset] to display the parts if necessary. • [Roller counter reset] screen. Figure 4-306 [Roller counter reset] screen is displayed, • so press [Reset] to reset the counter. COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 91 ERROR DISPLAY ........5-5 IX. IMAGE TROUBLESHOOTING ....5-60 SERVICE MODE ........5-9 COMMUNICATION TROUBLESHOOTING NETWORK FUNCTION CHECK .... 5-42 ............. 5-65 OTHER OPERATIONS ......5-51 XI. AFTER REPLACING PARTS ....5-67 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 93 Therefore, to determine whether the ma- chine’s network function itself works properly, the method to connect this ma- chine to the computer for servicing directly with LAN cable is described in ”V. NETWORK FUNCTION CHECK”. COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 94 Note: No password is set by default. what to do with user information. The procedures for [Backup/Restore] and [Initialization] of user information are described below. For details, refer to the user manual. Figure 5-202 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 95 4) Press [Backup All Settings] or [Restore All Settings]. Figure 5-205 Figure 5-204 Figure 5-206 Note: The following data is not backed up. IP address Device name Touch panel adjustment values COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 96 [Yes] to execute in- itialization. Figure 5-208 Figure 5-210 Note: Initialization erases all user data in- cluding IP address and address book data. The software version is not changed. COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 98 The user specified when logging in does not exist in server is not found. the authentication server. Solution Make sure you correctly enter your user name and password. Contact the administrator of the ScanFront if this problem persists. (Continued) COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 99 An invalid character exists in the specified host name. used for a host name is in- Solution Do not use the following characters when specifying cluded. host names. /:?*"<>¦ (Continued) COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 100 Cause User data is trying to be exported from the scanner without a user being selected at the user settings screen. Solution Select a user name to export. Table 5-301 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 101 However, the same function called [Network Test] exists in this machine’s administrator settings, so ask user to check connection by using this function. Therefore, the Network Test of the service mode is introduced just briefly here. COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 102 The touch operation is not effective after 5 seconds pass. Figure 5-403 RIGHT LEFT 5) On the [Service password] screen, press [Yes]. Figure 5-401 Figure 5-404 5-10 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 103 1) Turn ON the power and bring up the screen. "Home" screen. 2) Touch the screen of the main body once. 3) Press Ctrl+Alt+S using the keyboard. 4) The service password screen is dis- played. Figure 5-406 5-11 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 104 "Home" screen for users. 1) Press [Exit & execute app] of the [Ser- vice Tool] screen. Figure 5-408 2) Return to the [Home] screen. Figure 5-409 5-12 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 105 • "BIOS" and displays and changes the number of The version of BIOS sheets to be fed and the number of paper jam occurrences. Figure 5-411 5-13 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 106 P002 Pre-registration sensor passage JAM Figure 5-413 P004 Eject JAM P006 Post-registration sensor entry JAM P007 Post-registration sensor passage JAM P050 Force stop instruction from the controller Table 5-402 5-14 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 107 Replacement value can be considered as estimated timing for Replacement next replacement. Each sales area or service person can decide which part should be replaced if necessary. Table 5-403 5-15 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 108 Figure 5-416 2) Press the input box for the Counter value to be changed. As an example, reset the Jam1's Counter. Press the Jam1 input box. Figure 5-419 Figure 5-417 5-16 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 109 Each item can be saved to the USB memory in text format. The file name is ServiceToolInfo.txt. Figure 5-420 Figure 5-421 5-17 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 110 They prevent correct adjust- ments. Figure 5-423 The [Adjustment] screen displays the se- lection buttons for the contraction rate ad- justments, regist adjustments, light ad- justment, and touch panel adjustments. 5-18 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 111 3) When the message that instructs to place one regist adjustment sheet is displayed, set one adjustment sheet, align with the document guide, and press Yes button. Figure 5-427 Figure 5-425 Figure 5-426 5-19 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 112 PCB in which adjustment data is recorded is replaced. Figure 5-428  Operating Procedure 1) Clean the feeding path. 2) Press Scale (Auto) button. Figure 5-429 5-20 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 113 Contraction Adjustment (Manual)”. 5) In order to confirm that the contraction rate adjustment was made, confirm the scanning position with the contraction adjustment sheet of the service tool. 5-21 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 114  Adjustment sheet The special shading sheet is required to Figure 5-433 execute this mode. Use TKM-0326 or TKM-0332. Do not use a sheet with any dirt or creases. 5-22 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 115 Scan Test button to scan the test sheet of the service tool and check the im- age. For details of Scan Test function, refer to “F. Scan Test”. Figure 5-435 Figure 5-438 Figure 5-436 5-23 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 116  Bottom (Bottom edge registration. Reg- istration value of the reading finish posi- tion. Setting range is ±5.0mm. The [+] direction delays the end timing of image scanning.) 5-24 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 117 2) Press Scan Test button. Figure 5-444 5) Expand the image to confirm the top edge position. Figure 5-442 3) Set scanning conditions and select the "Scan" button. Figure 5-445 5-25 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 118 ScanTest and confirm the amount of deviation of the top edge registration, and press the Close button. Figure 5-447 Figure 5-448 5-26 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 119 ScanTest and confirm the top edge registration position after the changes in the settings. Figure 5-451 Figure 5-450 12) Confirm the displayed image. Try again if it has not been corrected properly. 5-27 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 120 2) Press Scan Test button. Figure 5-453 There are slight differences in contrac- Figure 5-454 tion ratios due to the difference in the 5-28 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 122 In this case, also use user adjustment values. Or, replace the roller. 7) Set the adjustment sheet again and scan. Then check the image displayed. Figure 5-460 5-30 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 123  Operating Procedure 1) Press Touch Panel (Auto) button. Figure 5-461 2) Press YES button when the confirma- tion screen appears. Figure 5-462 5-31 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 124 When lights are off When lights are on Figure 5-465 Figure 5-463 2) Confirm the [Motor/Sensor] screen is displayed. Select a menu to execute on this screen. Figure 5-464 5-32 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 125 Open the front unit and expose suitable paper to the sensor, then close the front unit. When the sensor detects its target, the corresponding sensor dis- plays ○. Figure 5-468 5-33 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 126 • Left Regist Sensor: Analog value of the the double feed detection sensor left regist sensor • Detective paper Sonic by USS: Analog value of the double feed detection sensor when detecting a document 5-34 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 127 CHAPTER 5 TROUBLESHOOTING Figure 5-472 • Paper detect Sensor: Analog value of the document detecting sensor. Figure 5-473 5-35 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 128 Scanned image  The scanned image is displayed. Figure 5-474 Table 5-403 2) "Scan Test" screen is displayed. Select a menu to execute on this screen. 5-36 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 129 [Service Tool] screen. 4) Insert the prepared USB memory in the Figure 5-476 USB port of the machine. Note: The maximum size of the file is 400MB. 5-37 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 130 The time required differs according to the user data volume. It takes ap- proximately 40 minutes if the data volume is maximum. Go to Stage 2 Figure 5-478 Go to Reboot Figure 5-480 5-38 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 131 CHAPTER 5 TROUBLESHOOTING 9) Rebooting is performed once again and finishes with the display of home screen. 10) Confirm the post update Version number in the [Service Tool] Infor- mation screen. 5-39 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 132 3) Press the Export log button in the 1) User operation System Settings screen. 2) Error 3) Settings 4) Debug 5) Latest information at the time of re- covery Figure 5-482 5-40 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 133 The file is saved in the following loca- tion. Windows7/Windows8.1/Windows10 C:\Users\user name\Downloads The user name is the name for the user who is logging in the external PC connected to this machine. 5-41 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 134 Note: Since the operations and screens differ depending on the operation system, take appropriate steps to the operating system to perform this procedure. In here, Windows 7 is used. 5-42 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 135 Default gateway: 1.1.1.1 • figuration button. DNS (primary): 1.1.1.1 • NTP (primary): 1.1.1.1 • Figure 5-501 4) On the [Device Configuration] screen, press the network setting button. Figure 5-503 Figure 5-502 5-43 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 136 Protocol Version 4 (TCP/IPv4)], then 1) Click [View network status and tasks] click [Properties]. Control Panel. Figure 5-504 2) On the next screen, click Change adapter settings Figure 5-507 Figure 5-505 5-44 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 137 Default gateway: 1.1.1.1 • Control Panel. Preferred DNS server: 1.1.1.1 • Figure 5-509 2) On the next screen, click the [Create a new account] tab. Figure 5-508 Figure 5-510 5-45 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 138 4) By pressing the create account button, Figure 5-513 the following screen appears and the 6) The password-protected user "sf" with account is created. Administrator Authority was registered. Figure 5-512 Figure 5-514 5-46 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 139 2) Open [Properties] of the folder, then click the [Sharing] tab. Figure 5-516 4) A detailed shared screen is displayed. Next, check [Share this folder] and click the [Permissions] button. Figure 5-515 Figure 5-517 5-47 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 141 Select sf and check the change checkbox for access permit and full control. Figure 5-524 Figure 5-522 10) When the screen changes to the fol- lowing screen, press the OK button. Figure 5-523 5-49 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 142 Note: On the setting screen, you need to to the user. input user name and password of the And restore the TCP/IP setting of the shared folder, then click [Browse]. computer. Figure 5-525 5-50 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 143 /vmlinuz-3.10. 87-cei. 10_32-1tsi r w press the [Shift + 2] key repeatedly. root=/dev/mmcblk0p3 rootdel] in the 3) The Boot Loader select screen is dis- highlight selection mode. played. Figure 5-601 Figure 5-603 5-51 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 144 /vmlinuz-3.10.87-cei.10_32-1tsi rw mmcblk0p3 in the rw root=/dev/mmcblk0p3 root=/dev/mmcblk0p2 rootdel]. to mmcblk0p2. Figure 5-605 11) Press [b] on the keyboard. Figure 5-604 9) Press [Enter] on the keyboard. 5-52 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 146 Software ware tion dust ment All black/all white/all streaked. Too dark/too light. Streaks in image. Image slanted. Wrong image size. Text cannot be seen. Moire in image. Table 5-702 5-54 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 147 Cause System/ Hard- Connec- Dirt/ Docu- Settings Failure Software ware tion dust ment The machine cannot connect to the network The network cannot connect to the machine Table 5-703 5-55 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 148 Proceed to Step 8. PCB blinking? Replace the control PCB. Motherboard Is the cable connected? Connect the connectors Control PCB correctly. Relay PCB Replace the PCB. Power switch board Table 5-801 5-56 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 149 Done. replacing the sub PCB? Control PCB Was the problem solved by Done. replacing the control PCB? Motherboard Was the problem solved by Done. replacing the motherboard? Table 5-802 5-57 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 150 PCB? Table 5-803 Note: For passports and A4 carrier sheets ・For details about conditions for scanning a passport and how to set the passport, refer to the user manual. 5-58 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 151 ・If misfeeds or paper jams occur frequently, clean the feed roller and change the carrier sheet to a new one. ・If the scan image is blurred, clean the carrier sheet or change the sheet to a new one. 5-59 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 152 Too light Streaks 1 Streaks 2 Streaks 3 Slanting Skew correction Wrong size Auto size Has shadows Original document Missing leading edge Margin at leading Stretched Compressed edge Table 5-901 5-60 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 153 Setup of “Contrast” “Contrast” setup properly? Change the setup. Light Adjustment Have you executed Light Ad- Execute the adjust- justment? ment. Table 5-903 5-61 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 154 You can correct the slant of an image using image processing. Feeding documents Are documents fed straight? Perform the checks in “IV. RESOLVING MALFUNCTIONS, 4.The Document Does Not Feed Properly”. Table 5-905 5-62 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 155 ・If misfeeds or paper jams occur frequently, clean the feed roller, and clean the carrier sheet or change it to a new one. ・If the scan image is blurred, clean the carrier sheet or change the sheet to a new one. 5-63 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 156 Setup of “Bright- Was the problem solved by Done. ness” changing the setup of “Brightness”? Setup of "File Is "Compression rate" high? Set "Compression rate" Type" lower. Table 5-907 5-64 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 157 IP address setting. (If you are using two or more of this machine, ask the administrator not to apply the same de- vice name to them.) Table 5-1001 5-65 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 158 Note: Other than above, there may be the cases where a user's environment causes a poor communication. For necessary actions for a case other than above, refer to the sections such as "Chapter 9 Troubleshooting," "1. Troubleshooting" of the user manual. 5-66 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 159 *3: Counter resetting When the user replaces an exchange roller kit, the user resets the counter. When the service technician replaces it, ask the user to reset the counter. 5-67 COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 165 USB interface compatible Figure A-201 Note: Rank symbol A: Each service technician must have one. B: A group of five technicians must have one. C: A workshop must have one. COPYRIGHT © CANON ELECTRONICS INC. 2016 CANON SF-400 FIRST EDITION...
Page 167 Prepared by Quality Assurance Center Canon Electronics Inc. 3-5-10, Shibakoen, Minato-ku, Tokyo 105-0011, Japan FIRST EDITION: JUNE 2016...

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