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5-34

CANON P-208 FIRST EDITION

CHAPTER 5 TROUBLESHOOTING

IV. OPERATION TROUBLESHOOTING

When an operation problem occurs, check the error message displayed on the display

connected to a computer. Also perform an operation check on the sensors and motor using the

service mode.

1. Power Does Not Come ON

The start button is not lit.

Cause/Faulty

Location

Step

Check Item

Result

Action

Connection of USB
cable

Is the USB cable connected?

Connect.

Pickup tray open-
ing/closing

Is the pickup tray open?

Open.

USB hub

Is the USB hub used?
Bus power type cannot be
used.
Self power type can be used,
but it is not guaranteed.

YES

Remove.

Tray switch
Control PCB

Was the problem solved by
replacing of control PCB?

YES Done.

Table 5-401

2. No Scanner is Found

Note:

If the Auto Start switch is "ON", this machine is recognized as a storage device

"ONTOUCHLITE" of the computer. If it is "OFF", it is recognized as a scanner.

Cause/Faulty

Location

Step

Check Item

Result

Action

Power Supply

Is power supplied to the
machine?

Perform “1. Power
Does Not Come ON”.

Computer, I/F card

Are the computer and I/F
card appropriate?

Use appropriate
equipment.

Driver
(If the Auto Start
switch is "OFF")

Is a "?", "!" or "x" mark dis-
played on this machine in the
Windows device manager?

YES

Reinstall the driver.

Table 5-402

Содержание imageFORMULA P-208II

Страница 2: ...COPYRIGHT CANON ELECTRONICS INC 2012 Use of this manual should be strictly supervised to avoid disclosure of confidential information ...

Страница 3: ...apter 3 Disassembly and Reassembly Disassembly method reassembly method Chapter 4 Installation and Maintenance Installation method maintenance method Chapter 5 Troubleshooting Service mode and troubleshooting Appendix General diagram Parts catalog etc Information in this manual is subject to change Notification of such changes will be given in Service Information Bulletins Thoroughly read the info...

Страница 4: ...AL COMPONENTS 2 18 1 Layout of Electrical Components 2 18 VIII PARTS LAYOUT ON EACH PCB 2 19 1 Control PCB 2 19 CHAPTER 3 DISASSEMBLY REASSEMBLY I EXTERNAL PARTS 3 1 1 Bottom Cover 3 1 2 Operation Section Cover 3 1 3 Pickup Tray 3 2 II UPPER UNIT 3 3 1 Entire Upper Unit 3 3 2 Reading Unit Upper 3 4 3 Reading Guide Upper 3 5 4 Eject Roller Follower 3 6 5 Registration Roller Follower 3 7 III BASE UN...

Страница 5: ... Analog 5 27 1 Analog sensor 5 27 2 Write firm 5 28 F Scan test 5 29 1 Scan 5 29 G Other Functions 5 30 1 Recovery of Log Files 5 30 III LIST OF FAILURES 5 33 1 Operation Failures 5 33 2 Image Failures 5 33 IV OPERATION TROUBLESHOOTING 5 34 1 Power Does Not Come ON 5 34 2 No Scanner is Found 5 34 3 Scanning Does Not Start 5 35 4 Scanner Does Not Feed Properly 5 36 5 Scanning Speed is Slow 5 37 V I...

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Страница 7: ...CHAPTER 1 GENERAL DESCRIPTION COPYRIGHT CANON ELECTRONICS INC 2012 CANON P 208 FIRST EDITION I PRODUCT OUTLINE 1 1 II NAME OF PARTS 1 6 III USER OPERATION 1 7 ...

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Страница 9: ...ry functions 3 Reading Speed A4 200dpi Black White Grayscale 8 ppm 16 ipm Color 8 ppm 16 ipm 4 Service ability Installation By user Separation pad User replacement Periodically maintenance by service technician None Service tool Unification type Windows is a trademark of Microsoft Corporation in the U S and other countries Mac iPad and iPhone are a trademark of Apple Computer in the U S and other ...

Страница 10: ... Installation By user 9 Option 1 Wi Fi Unit WU10 2 Carrying case 10 Consumable parts Commercial goods 1 Separation pad User replacement 11 Bundle software 1 ISIS TWAIN driver CaptureOnTouch 2 Others depend on sales region CaptureOnTouch Lite is has been installed 12 Sensor type elements 1 line CMOS contact image sensor 600 dpi 13 Sensor operation mode 600 dpi or 300 dpi 14 Effective reading width ...

Страница 11: ...ttings and other conditions 22 Document feed path Straight path with horizontal No eject tray 23 Document size 1 Width 50 8 to 216 mm 2 Length 70 to 356 mm 24 Document weight thickness 52 to 209 g m2 0 06 to 0 22 mm 25 Special document Business card Post card and Plastic card are available There are some limitations required 26 Document storage pickup 10 sheets max and 1 5 mm height max 27 Double ...

Страница 12: ...1 4 COPYRIGHT CANON ELECTRONICS INC 2012 CANON P 208 FIRST EDITION CHAPTER 1 GENERAL DESCRIPTION External dimensions mm 70 55 5 76 5 40 312 5 Figure 1 101 ...

Страница 13: ...ower cord The power cord of this machine is a USB cable The power supply of this machine is turned ON OFF when the pickup tray is opened or closed 2 Power OFF on disassembling When disassembling and assembling are performed unplug the power cord 3 Prohibition of modify This machine must not arbitrarily be mod ified or remade If it is use may be forcibly suspended To change the specifications or di...

Страница 14: ...eeder Cover Note1 2 Document Feed Tray Note2 3 Document Guides 4 Feed Inlet 5 Start Button 6 USB Connector Note1 In this document the Feeder Cover may be referred to as the Upper Unit Note2 In this document the Document Feed Tray may be referred to as the Pickup Tray Rear Figure 1 202 1 Auto Start Switch 2 Eject Outlet 3 Theft Prevention Hole Security Slot ...

Страница 15: ...rt switch at the rear of the scanner for setting whether to operate the scanner as a storage device Figure 1 302 ON The scanner is recognized as a storage device by the computer Starting Cap tureOnTouch Lite preinstalled in the scanner enables you to perform scanning on a computer without the scanner driver installed OFF The scanner is recognized as a scanning device by the computer You can connec...

Страница 16: ... fan the pages Tab Figure 1 304 2 Scan A basic operational procedure in Cap tureOnTouch Lite is sown below CaptureOnTouch Lite is a scanning ap plication that comes pre installed in the scanner It can be used on a computer that does not have the scanner driver installed 1 Click Open folder to view files Figure 1 305 The ONTOUCHLITE folder opens Figure 1 306 ...

Страница 17: ...n screen appears Figure 1 307 3 Set the scanning method Figure 1 308 4 Click the Start button 5 Refer to the user manual for further de tails 3 Cleaning a Paper Jam 1 Remove any documents remaining in the feed tray Figure 1 309 2 Open the feeder cover Figure 1 310 3 Remove the jammed document from the feed side or eject side Figure 1 311 4 Close the feeder cover ...

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Страница 19: ...CANON ELECTRONICS INC 2012 CANON P 208 FIRST EDITION I OUTLINE 2 1 II READING SYSTEM 2 6 III FEED SYSTEM 2 8 IV CONTROL SYSTEM 2 11 V POWER SUPPLY 2 15 VI OPTION 2 17 VII LAYOUT OF ELECTRICAL COMPONENTS 2 18 VIII PARTS LAYOUT ON EACH PCB 2 19 ...

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Страница 21: ...ystem reads image data from image sensors 2 Feed system This system performs from document pickup to document ejection 3 Control system This system is comprised of an image processing section and a feed control section The image processing section controls the reading system and processes the read image data The computer also processes image data The feed control section controls the feed system 4...

Страница 22: ...is shown below Figure 2 102 1 Pickup tray 2 Document pressure 3 Feed roller 4 Separation pad 5 Registration roller drive 6 Registration roller follower 7 Eject roller drive 8 Eject roller follower 9 Detection point of document sensor 10 Detection point of registration sensor 11 Upper reading unit back reading 12 Lower reading unit front reading ...

Страница 23: ...TION 2 3 CHAPTER 2 FUNCTION OPERATION 3 Motor Drive This machine has a feed motor A DC motor with an encoder that detects rotation speed is used as the feed motor Control PCB Feed motor M Registration roller Eject roller Feed roller One way clutch Figure 2 103 ...

Страница 24: ...RATION 4 Electrical Circuits An overview of the electrical circuits block diagram of this machine is shown below Control PCB Feed motor With encoder CIS unit upper CIS unit lower Start switch USB cable Upper unit sensor Regist sensor Document sensor Tray switch AutoStart switch Figure 2 104 ...

Страница 25: ...ou pick up 2 sheets of document and perform Scan Ahead without temporarily suspending the machine is shown below Once the machine starts scanning it activates the feed motor to feed the docu ment Start End Maximum speed feeding Reading the front side Reading the back side Document sensor Registration sensor Feed moter Offset part Offset part Figure 2 105 ...

Страница 26: ...f CIS unit and reading cover The CIS unit consists of CIS PCB lens array LED R G B light guide and case The reading glass and white reference sheet are mounted on the reading cover Photosensitive pixels are mounted on the CIS PCB with a density of 600 dpi in a line The effective reading width is 216 mm and the number of effective picture elements is 5104 A set of three basic color LEDs red green a...

Страница 27: ...xample when the lower reading unit reads the white reference data the LED emitted from the lower unit is reflected from the white reference sheet on the upper unit to be input to the sensor on the CIS PCB Since the white reference sheet is placed under the reading glass feeding document does not cause smudges on it When this machine is turned ON or starts scanning it reads the white reference data...

Страница 28: ...ystem is shown below 26 0 10 5 15 7 mm Figure 2 301 1 Pickup tray 2 Document pressure 3 Feed roller 4 Separation pad 5 Registration roller drive 6 Registration roller follower 7 Eject roller drive 8 Eject roller follower 9 Detection point of document sensor 10 Detection point of registration sensor 11 Upper reading unit back reading 12 Lower reading unit front reading ...

Страница 29: ...ing edge of a document and the trailing edge of the next document the drive speed of the feed roller is slightly lower than the drive speed of the registration roller and eject roller If it is left as it is the document is braked when it touches the feed roller and the registration roller and therefore a one way clutch is built into the gear used in the feed roller drive system to follow the drive...

Страница 30: ... trailing edge of the document was not detected even though the document has been fed for the maximum specified length after the leading edge of the document was detected by the registration sensor 4 Fast Feed Jam The trailing edge of the document was detected after the leading edge of the document was detected by the registration sensor before the document has been fed for the minimum specified l...

Страница 31: ...the function list of major ICs are shown below The function of electric double layer capacitor is shown in V POWER SUPPLY Image data control block Electric double layer capacitor block DC DC converter block 5 VDC Control PCB CIS I F FRONT AFE IC18 CIS I F BACK USB I F J102 MOTOR I F J103 Sub CPU IC28 EEPROM IC14 SDRAM 32 MB IC24 ASIC IC15 AFE IC17 FLASH Memory IC19 FLASH Memory IC20 FLASH Memory I...

Страница 32: ...m IC17 18 AFE Analog processor Performs analog gain offset adjustment and A D conversion IC19 20 21 FLASH Memory Stores firmware and OnTouch Lite 8 MB x 3 Note IC14 EEPROM Stores each setting IC24 SD RAM Stores image data programs etc 32 MB IC28 Sub CPU Controls the motor power supply and Work memory Table 2 401 Note Both Windows and Macintosh versions of OnTouch Lite have been installed ...

Страница 33: ...rrection Resolution conversion Color black white detection Analog processor Gain adjustment Offset adjustment A D conversion Scanner controller LED light control 12 bit 8 bit Color Color correction three dimensional Bleed through reduction when on One dimensional gamma correction Edge enhancement Binarization Binary Data after image processing Other processing Auto size detection Deskew Image rota...

Страница 34: ...digital signals in the analog processor Then the image data is transferred to the scanner controller and converted from 12 bits to 8 bits After that the image data is output to the computer through USB interface The computer side connector of the USB cable used for this machine is of USB 2 0 standard A type and the device side connector is of USB 2 0 mini B type The signal speed supports USB2 0 Hi...

Страница 35: ...r supply if the load increases the fol lowing components are provided 1 Feed motor with an encoder 2 Electric double layer capacitor EDLC The encoder detects that the feed load increases and the number of revolutions decreases the pulse supplied to the feed motor changes If the current is insufficient the capacitor is discharged If the capacity of the capacitor becomes insufficient feeding and rea...

Страница 36: ... CANON ELECTRONICS INC 2012 CANON P 208 FIRST EDITION CHAPTER 2 FUNCTION OPERATION 5 VDC 0 5 A USB2 0 Electric double layer capacitor Power supply IC IC CIS unit upper CIS unit lower Feed motor Bus power Figure 2 501 ...

Страница 37: ...int AP mode This mode is used in places where LAN environments do not exist WU10 devices themselves function as access points and connect with terminals one by one 1 Access Point mode Figure 2 601 2 Station ST mode WU10 is used by participating it in the LAN network environment at a place where the LAN environment is built by a wireless main unit access unit 2 Station mode Figure 2 602 If the Wi F...

Страница 38: ...PS11 SW13 PS12 Q15 LED3 Figure 2 701 Category Name Location Symbol Auto Start switch Control PCB SW13 Tray switch Power switch Control PCB SW12 Switches Start switch Control PCB SW11 Motor Feed motor Base section M1 Document sensor Control PCB PS12 Registration sensor Control PCB LED3 Q15 Sensors Upper unit sensor Control PCB PS11 Lamp Power indicator LED Control PCB LED4 Table 2 701 ...

Страница 39: ... PCB 1 Control PCB J102 SW11 SW12 PS11 PS12 SW13 J101 J103 Figure 2 801 Connector Description J101 25P CIS unit upper CIS unit lower J102 USB cable J103 8P Feed motor Table 2 801 Symbol Description SW11 Start switch SW12 Tray switch Power switch SW13 Auto Start switch PS11 Upper unit sensor PS12 Document sensor Table 2 802 ...

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Страница 41: ...MBLY COPYRIGHT CANON ELECTRONICS INC 2012 CANON P 208 FIRST EDITION I EXTERNAL PARTS 3 1 II UPPER UNIT 3 3 III BASE UNIT 3 10 The products shown in the figures in this chapter may be partially different from mass produced products ...

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Страница 43: ...gure 3 102 After tightening the screw push in the bottom cover until the fitting parts 2 is hooked 2 Operation Section Cover 1 Remove the control PCB Page 3 10 2 Remove 1 screw 1 self tapping BH M2 5x6 and slide the operation section cover 2 downward Since there are fitting parts for the main body slide the cover strongly and slowly Note The two detection levers 3 the start button 4 and the pickup...

Страница 44: ...LECTRONICS INC 2012 CANON P 208 FIRST EDITION CHAPTER 3 DISASSEMBLY REASSEMBLY 3 Pickup Tray 1 Remove the operation section cover Page 3 1 2 Unhook the fitting parts 1 at both ends and remove the pickup tray 2 Figure 3 104 ...

Страница 45: ...it Note Handle the FPC carefully so that it is not bent Figure 3 201 3 Release the right and left locks of the upper unit 1 unhook the fitting parts 2 on the FPC side and then unhook the fitting parts on the opposite side while opening them slightly Figure 3 202 Notes on assembling Do not get the FPC caught when hooking the fitting parts on the FPC side Insert the FPC 1 between the guide plates 2 ...

Страница 46: ... fitting parts on both sides unhooked so that the unit is not tilted Figure 3 204 Notes on assembling If the reading unit is tilted when installing it the springs for raising and lowering the unit may not be assembled correctly Place it in a horizontal position and as semble the right and left sides at the same time After assembling the reading unit verify that the reading unit moves smoothly and ...

Страница 47: ...to the CIS unit Figure 3 207 4 Clean the out side including the glass surface to prevent dust from entering the reading unit 5 While removing 9 pairs of the fitting parts 1 in order from the end side remove the reading unit 2 Figure 3 208 Note If the reading guide is reused be careful not to damage the hooks when unhooking the fitting parts The CIS unit is removed when the reading guide is removed...

Страница 48: ...ate 2 in the direction of the arrow un hook the fitting parts 3 lift and remove the top cover base 4 Figure 3 210 Note If the reinforcing plate is not held the follower roller holder may come out Perform the work while holding the re inforcing plate When the top cover base is removed the center spring and light guide are detached 4 Hold the follower roller 1 by hand slide the reinforcing plate 2 i...

Страница 49: ...art of the center of the shaft must touch the end surface of the spring 5 Registration Roller Follower 1 Remove the top cover base according to the steps in Eject Roller Follower Un hook two pairs of fitting parts 1 of the follower shaft holder at both ends by flex ing them using a tool with a thin and flat tip pull out the shaft and remove the one way clutch 2 the follower roller with a bear ing ...

Страница 50: ...follower roller with a bear ing and the one way clutch Figure 3 215 Note Install the follower roller so that the side with the bearing 1 faces outward 3 Insert the one way clutch fitting part 1 into the hole 2 in the document pressure Insert the end 3 into the square hole of the top cover base Figure 3 216 4 Install the spring 1 and unit 2 and the follower roller with a coil spring 3 on the shaft ...

Страница 51: ... arrow and assemble it to the fitting parts 2 of the upper unit Figure 3 219 6 Slide the shaft so that the flat part of the center of the shaft touches the end surface of the spring and install the follower roller holder Note If the position of the flat part of the center is correct the flat part 1 at the end of the shaft is on the upper side Figure 3 220 ...

Страница 52: ...the bottom cover Page 3 1 2 Remove the 2 cables 2 connected with the control PCB 1 and remove the con trol PCB Figure 3 301 3 Pull out the switch slide plate 1 from the switch Figure 3 302 Notes on assembling Install the control PCB so that it matches the positioner When installing the control PCB return the cable to its original position ...

Страница 53: ...e The gear at the end may be detached from the shaft Figure 3 303 3 Remove the plate spring 1 Figure 3 304 Notes on assembling Push in the bearing until it is fully fitted 3 Registration Roller Drive 1 Remove the control PCB Page 3 10 2 Hold the projection 1 of the light guide and remove the light guide Note The sintered bearing is detached to gether with the light guide Figure 3 305 3 Remove the ...

Страница 54: ...ration roller 1 Note The gears at both ends may be de tached from the shaft Figure 3 307 4 Feed Roller 1 Remove the control PCB Page 3 10 2 Remove the light guide and sintered bearing according to the steps in Regis tration Roller Drive Page 3 11 3 Remove the feed roller 1 together with the feed roller shaft Figure 3 308 ...

Страница 55: ... in the form of helix Insert the cable into its original position and install the motor 6 Lower Reading Unit 1 Remove the entire upper unit Page 3 3 2 Remove the eject roller drive Page 3 11 3 Remove the registration roller drive Page 3 11 4 Remove the feed roller Page 3 12 5 Remove the motor Page 3 13 6 Remove the 2 gears 1 the open detec tion lever 2 and the document detection lever 3 Figure 3 3...

Страница 56: ... Push all the fitting parts in until they fit completely Makes sure there is no gap or space Install the CIS unit so that it matches the direction of the reading cover If it is installed incorrectly the fitting parts lift After the assembling is complete clean the front surface of the reading glass Reference Since it takes time to replace the lower reading unit only the method of replacing the CIS...

Страница 57: ...CHAPTER 4 INSTALLATION MAINTENANCE COPYRIGHT CANON ELECTRONICS INC 2012 CANON P 208 FIRST EDITION I INSTALLATION 4 1 II PARTS TO BE REPLACED 4 3 III MAINTENANCE 4 4 ...

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Страница 59: ... or higher Memory 1 GB or more Hard disk 3 GB or more of free space required for installation of all software USB interface Hi speed USB 2 0 Monitor Resolution 1024 x 768 XGA or higher Optical drive Able to read DVDs 2 OS Microsoft Windows XP Microsoft Windows XP x64 Edition Microsoft Windows Vista 32 64 bit edition Microsoft Windows 7 32 64 bit edition Microsoft Windows 8 32 64 bit edition Mac OS...

Страница 60: ... Login using an account with Administrator privileges 2 Before installing the software exit all other applications 3 Load the setup disk into the DVD drive of the computer 4 The setup menu starts automatically 5 Click Typical Installation Figure 4 101 Finish the installation by following the on screen messages 4 Connecting to a Computer 1 Close the pickup tray and turn the Auto Start switch OFF 2 ...

Страница 61: ...d by Users The product life of this product is 50 000 sheets and the product life of the separation pad is also 50 000 sheets However it is necessary to replace it when pickup failures or document jams occur after cleaning No Parts name Parts number 1 Separation pad MG1 4791 Table 4 201 Note The item above is assigned as a commercially available user replacable product Code 8028B001xx 3 Parts Repl...

Страница 62: ...e a soft clean dry cloth to wipe the main body 2 Feed path Use such as air blowers to remove any dust and paper particles that have accumulated on the feed path 3 Reading glass Use a soft clean and dry cloth to wipe off any dirt 4 Separation pad z 5 Feed roller 6 Other rollers Use a cloth slightly dampened with water and well wrung out to remove any dirt and then use a clean dry cloth to wipe the ...

Страница 63: ...ce For this machine no periodical mainte nance item by the service technicians is specified However when visiting a user check whether the reading glasses and the rollers are dirty If they are very dirty instruct the user to follow the User Maintenance procedures Recommend the user to replace consumable parts if necessary ...

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Страница 65: ...NG COPYRIGHT CANON ELECTRONICS INC 2012 CANON P 208 FIRST EDITION I ERROR DISPLAY 5 1 II SERVICE MODE 5 2 III LIST OF FAILURES 5 33 IV OPERATION TROUBLESHOOTING 5 34 V IMAGE TROUBLESHOOTING 5 38 VI AFTER REPLACING PARTS 5 43 ...

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Страница 67: ...rt button flashes When the capacitor is charged immedi ately after the power is switched ON the start button flashes slowly Start button Figure 5 101 2 Computers Error messages are displayed on the screen of the computer connected to the machine Each of the different pieces of software applications drivers OSs have their own unique messages which they control There are many user related messages s...

Страница 68: ... service tool is an integrated tool that consists of a common EXE file and product specific DLL files The system requirements for the com puter are equivalent to those indicated in the user manual The processing speed may drop if the CPU or memory capacity are not up to the specs When you select an operation button on the initial screen the corresponding screen is displayed allowing you to execute...

Страница 69: ...COPYRIGHT CANON ELECTRONICS INC 2012 CANON P 208 FIRST EDITION 5 3 CHAPTER 5 TROUBLESHOOTING Motor Sensor Firmware Analog Scan test Figure 5 201b ...

Страница 70: ...2 Registration Auto Automatic adjustment of the reading start position 13 Registration Manual Manual adjustment of the reading start position 14 Light Adjust the shading correction value 15 Regist sensor Registration sensor adjustment 16 Edit Registration Manual value change 17 Cancel Cancel the changed value 18 Apply Save the changed value 19 Motor Sensor 20 CIS LED Check the lighting of the LED ...

Страница 71: ...y 37 Main voltage Main voltage data display 38 Cover sensor Upper unit sensor data display 39 Main current Main current data display 40 Write file Save above information on the computer 41 Scan test 42 Image 1 Display scanned image the second last one 43 Image 2 Display scanned image the last one 44 Zoom image 1 Enlarge image 1 45 Zoom image 2 Enlarge image 2 46 Scan test Scanning execution 47 Fir...

Страница 72: ...he files within the Tools folder for this product into that folder However you should copy by only overwriting with newer files If you are not sure whether a file is newer or not check the Modified date of each file before executing Reference Folders and files The files needed by the integrated tool should be saved in the same folder Al though you can change the folder name to any name you should ...

Страница 73: ...h of this machine to ON or OFF Note If OFF install the driver beforehand The functions of the service tool are the same regardless of whether it is set to ON or OFF 4 Connect the USB cable open the docu ment feed tray of this machine and then turn on the machine 5 Run the installed file DRUnification Tool exe Figure 5 202 6 Password dialogue box appears and enter six characters as market and se le...

Страница 74: ...Figure 5 206 Note Do not run any other application software such as CaptureOnTouch or turn off the machine while the service tool is running If the tool becomes unresponsive you should restart the computer Note If Connect is selected before com pleting scanner recognition the No devices found screen below appears Select Retry in a few seconds The No devices found screen also appears if the scanner...

Страница 75: ...n or select Exit Application from the File menu in the toolbar However if Firmware version up is performed remove and reinstall the USB cable at the end to reset the power properly Refer to the Firmware version up section for the details 4 Application Information This mode is used to check the detailed version of the service mode software EXE file Select Help from the toolbar at the top of the scr...

Страница 76: ...g to the scanner Operation Procedure 1 Enter the 8 characters training as the password 2 The screen is the same as in the real procedure and can be operated in the same way except for some buttons that are grayed out Note Note that you cannot execute opera tions that require communication with the scanner A Information 1 Scanner name This mode is used to check the con nected scanner Figure 5 210 ...

Страница 77: ...dy firmware MCON Motor controller Note Version of the main body firmware can also be confirmed on the user s driver screen 3 Serial number This mode is used to check the serial number Figure 5 212 Serial number data is saved on the control PCB When this PCB is replaced values are displayed validly by selecting the Edit button on the information screen Figure 5 213 Enter the serial number shown on ...

Страница 78: ...item by mistake Change it only if neces sary Figure 5 216 Display Details Total Total scanning count Jam 1 Number of documents jams in the pickup section Pickup delay jam pickup error count Jam 2 Number of documents jams in the registration section Residual jam count Replacement 1 Replacement 2 Replacement 3 Replacement 1 to Re placement 3 are used by the service technicians to manually input the ...

Страница 79: ...en is selected values are displayed validly and can be modified Figure 5 217 If the Apply button on the information screen is selected the values are saved and if the Cancel button is selected they are not saved Figure 5 218 5 Write file This mode is used to output the data shown on the information screen as a text file When Write file on the lower right side of the screen is selected displayed in...

Страница 80: ...on which a registration sensor is installed This mode can be used together with other adjustment items For details refer to All Adjustment sheet The dedicated sheet is required to execute this mode However you can create the sheet by drawing a black line on available paper so it is not specified as a service tool Prepare it for yourself The sheet is required 1 The material may be normal white copy...

Страница 81: ...lack part 5 mm Figure 5 222 Note If it stops in the middle when using A4 size or LTR size paper due to the computer specifications set to half the size Note that you should cut that paper perfectly straight without any slant Operation Procedure 1 Clean feed path roller and reading glass 2 Load a piece of the registration sheet you prepared Make sure to set the document guides to fit the sheet to p...

Страница 82: ...le of error screen is shown below Figure 5 226 2 Registration Manual Normally registration adjustment is performed in automatic mode but this manual adjustment is used to fine adjust results of automatic adjustment Note that it does not reduce variations in the registration position Adjustment sheet Use the same sheet as the scale pa rameter adjustment sheet For details refer to the Registration A...

Страница 83: ...ion values since the reading point differs between the white ref erence sheet inside of the reading unit and the actual document If the scanned image quality is degraded perform this adjustment Also perform this adjustment after replacing the reading unit or after replacing the control PCB recording the adjustment data This mode can be used together with other adjustment items For details refer to...

Страница 84: ...he sheet is fed and a progress screen is displayed Figure 5 231 5 Even after the sheet has been ejected the data may be processed inside the ma chine The progress screen disappears and a caution screen is displayed Do not turn OFF the machine or perform any op erations until the caution screen disap pears Figure 5 232 6 After the adjustment is complete the cau tion screen disappears ...

Страница 85: ...the regist sensor does not detect a document correctly because the ambient amount of light is very different and so on Also run this mode after replacing the control PCB on which the sensor is installed This mode is included in All described later Operation Procedure 1 Clean the surface of the light guide for the registration sensor Note Do not set the adjustment sheet 2 On the Adjustment screen s...

Страница 86: ...lack lines are written as a shading sheet For details on how to write black lines refer to Adjustment sheets in Registration Auto Operation Procedure 1 Clean feed path roller and reading glass 2 Load a prepared adjustment sheet Load the sheet with the black lined side facing down Insert them properly not to cause skew Note Do not set extra sheets Front Back Back Figure 5 235 3 On the Adjustment sc...

Страница 87: ... screen is dis played Do not turn OFF the machine or perform any operations until the comple tion screen is displayed Figure 5 238 C Motor Sensor 1 CIS LED This mode is used to check the LED built in the CIS operation Figure 5 239 Checks the reading unit LED light Open the upper unit and press the corresponding button to light the LED Press the button again to turn the LED off Select the buttons a...

Страница 88: ... sensor the sensor name appears 1 Front including the operation section Figure 5 241 If you open the pickup tray the cover sensor lights up If you place paper on the document sensor the document sensor lights up If you open the upper unit the door sensor lights up If you close the upper unit when paper is caught the registration sensor lights up If you press the Start the corresponding mark lights...

Страница 89: ...olution dpi 100 200 300 400 600 Mode Gray Color Direction Forward Note Initial values are underlined Table 5 203 D Firmware There are two methods for updating the firmware One is to select and execute pre registered firmware and the other is to select and execute firmware saved on the computer The methods using pre registration makes it possible to store all of the firmware within the same folder ...

Страница 90: ...he initial screen select Firm Regis tration Or select Registration of Firm form the scanner in the task bar of the initial screen or other screens Figure 5 245 2 The following screen is displayed only if there are no firmware already registered Select OK Figure 5 246 3 The firmware registration screen is dis played Select Register Figure 5 247 4 When the file selection screen is dis played select ...

Страница 91: ...ot file the folder name is decided to match them Furthermore an ini file that contains the setting conditions is saved at the same time The following shows an example of the folder Figure 5 249 6 Select Add Note if necessary and enter any arbitrary information After entering the information select OK Figure 5 250 Note To delete from the registration screen select the target version and then se lec...

Страница 92: ...during loading If the power is turned OFF it returns to its original state when restarted but this is not guaranteed For registered firmware In this mode the file saved in the service tool is selected and its version is up graded 1 Select the version to write and then select Version up Figure 5 251 2 The confirmation screen is displayed Select OK Figure 5 252 3 Writing starts automatically and the...

Страница 93: ...reen is dis played select the file 3 Writing starts automatically and the pro gress screen is displayed The rest of the procedure is the same as in For registered firmware Note This automatically detects whether the file is for the connected scanner and only executes writing if it is suitable E Analog 1 Analog sensor This mode is used to check analog data for the following sensors Main average cur...

Страница 94: ...LESHOOTING 2 Write firm When Write file on the lower right side of the analog screen is selected displayed information can be saved in a text file The operation procedure is the same as that in A Information 5 Write File Part of the contents of a saved file is shown below Figure 5 257 ...

Страница 95: ...t image is displayed If multiple sheets are scanned the second last scanned image is displayed Move the image by dragging the mouse 3 Image 2 If only one sheet is scanned the scanned back image is displayed If multiple sheets are scanned the last scanned image is displayed Move the image by dragging the mouse 4 Zoom Image 1 Enlarges the image in 2 above using a slide bar They can be enlarged up to...

Страница 96: ...yed in Image 1 G Other Functions 1 Recovery of Log Files The software for this machine collects log files of user usage status information and is equipped with a function for recov ering these log files Since the log files are designed to be useful for resolving problems the user may be asked to do the operation to recover the files The following gives an overview of the log files and the procedur...

Страница 97: ... File Settings screen the type of log file can be set to Full or Mini The default setting is Mini If you need the Full information set to Full and click the OK button Then perform the steps to reproduce the problem and perform the recovery operation Note that when set to Full the scanning speed may be re duced Figure 5 260 ...

Страница 98: ...ear has passed For users who does not want to increase the disk usage ask the users to delete these as necessary from the save loca tions shown below 1 Windows XP C Documents and Settings All Users Application Data Canon Electronics Scanner Drivers log 2 Windows Vista 7 C ProgramData Canon Electronics Scanner Drivers log Reference Displaying log files Although the content of the log files cannot b...

Страница 99: ... Failure System Software Hard ware Connec tion Dirt dust Docu ment Set tings 1 Power does not come ON X X 2 No scanner is found X X 3 Scanner does not start X X X X 4 Scanning does not feed properly X X X 5 Scanning speed is slow X X X X X Table 5 301 2 Image Failures Note Major causes of each failure are marked X No Cause Failure System Software Hard ware Connec tion Dirt dust Docu ment Set tings...

Страница 100: ... USB hub used Bus power type cannot be used Self power type can be used but it is not guaranteed YES Remove Tray switch Control PCB 4 Was the problem solved by replacing of control PCB YES Done Table 5 401 2 No Scanner is Found Note If the Auto Start switch is ON this machine is recognized as a storage device ONTOUCHLITE of the computer If it is OFF it is recognized as a scanner Cause Faulty Locat...

Страница 101: ...o the user that CaptureOnTouch Lite cannot be started System If the Auto Start switch is ON 5 If the Auto Play screen is not displayed can Cap tureOnTouch Lite be started manually from the Explorer YES Explain to the user that the automatic play screen is not displayed due to OS type and setting It is described in the user manual Cable connection 6 Are the motor and sensor cables connected properl...

Страница 102: ...ion of the docu ment guide correct NO Correct the position Setting documents 4 Are many documents set YES Reduce the number of documents 5 Are the separation pad and rollers installed properly NO Assemble properly Separation pad Roller 6 Are they dirty or deformed NO Clean or replace them 7 Parts touching documents installed properly no float or slant NO Assemble properly Parts touching documents ...

Страница 103: ...ry stop occur frequently YES Perform steps in 4 Scanner Does Not Feed Properly 3 Is the memory sufficient NO Increase the memory 4 Are other applications run ning YES Close the unneces sary applications 5 Are resident applications such as a virus protection program running YES Close the unneces sary applications Insufficient computer memory 6 Is there insufficient hard disc space YES Increase the ...

Страница 104: ...NON P 208 FIRST EDITION CHAPTER 5 TROUBLESHOOTING V IMAGE TROUBLESHOOTING Image Sample Document Normal B W All black All white All streaked Too dark Too light Streaks 1 Streaks 2 Streaks 3 Wrong size Auto size Slanting Skew correction Table5 501 ...

Страница 105: ...NO Change the setup Change Contrast if necessary System 3 Was the problem solved by resetting the power of the scanner or restarting the computer YES Done 4 Reading related cables connected properly NO Connect properly Reading Unit 5 Was the problem solved by replacing the reading unit YES Done Control PCB 6 Was the problem solved by replacing the control PCB YES Done Table 5 502 2 Too Dark Too Li...

Страница 106: ... 3 Is the feed path clean NO Clean it CIS unit 4 Is the inside of the CIS unit clean NO Clean or replace the reading unit Light Adjustment 5 Have you executed Light in service mode NO Execute Light Ad justment Table 5 504 4 Image Slanted If the document is fed at an angle the image will become slanted Cause Faulty Location Step Check Item Result Action 1 Is the document set prop erly NO Set proper...

Страница 107: ...n adjust ment 4 Have you executed Reg istration in service mode NO Execute Registration Adjustment Table 5 506 6 Text Cannot be Seen When the background includes colors or patterns text may be hidden by the background when scanning in black and white The Advanced Text Enhancement II mode exists to solve this problem In addition there is a setting that thickens lines or characters Note The problem ...

Страница 108: ...ult Action NO Set it Setup of Moire Re duction 1 Is Moire Reduction set YES Increase the resolu tion Set to High Quality Moire Reduction Table 5 508 8 The image of the photograph is not good The reproducibility of the scanned photograph image is low and it is not clear Cause Faulty Location Step Check Item Result Action Setup of Apply cor rections suitable for photographs 1 Is Apply corrections su...

Страница 109: ...nd reassembling the machine Control PCB 1 Execute All in service mode 2 Change the value in the Counter in ser vice mode 3 Input the serial number into Serial num ber in service mode Reading Unit Execute All in service mode Registration Related Parts If problems occur in the leading edge or trailing edge positions of images scanned after replacing or reassembling registration related parts execute...

Страница 110: ......

Страница 111: ...APPENDIX COPYRIGHT CANON ELECTRONICS INC 2012 CANON P 208 FIRST EDITION I ELECTRICAL BLOCK DIAGRAM A 1 II LIST OF SPECIAL TOOL A 2 III PARTS CATALOG A 3 ...

Страница 112: ......

Страница 113: ...S unit lower Feed motor with encoder CIS unit upper Upper unit sensor Tray switch Start switch AutoStart switch USB cable mini connector Document sensor J103 J101 J102 8 7 6 4 3 2 5 1 8 7 6 4 3 2 5 1 8 9 10 11 12 7 6 4 3 2 5 1 8 9 10 11 12 7 6 4 3 2 5 1 9 8 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 7 6 4 3 2 5 1 ...

Страница 114: ...r Rank Usage Remarks 1 Shading sheet TKM 0326 TKM 0332 B For the light adjustment 10 sheets set 2 Registration adjustment sheet B For the registration adjustment Created of copy paper or shading sheet by service technicians 3 Test sheet TKM 0271 A For the general image confirmation 10 sheets set Table A 201 Note Rank notation A Equipment that each service technician must carry B Equipment that can...

Страница 115: ...Figure 100 APPENDIX III PARTS CATALOG 1 External Cover COPYRIGHT CANON ELECTRONICS INC 2012 CANON P 208 FIRST EDITION A 3 ...

Страница 116: ... 1 4 1 5 MA2 9974 000 MA2 8926 000 MA2 9975 000 MG1 4791 020 MG1 4789 000 1 COVER OPERATION LABEL ENERGY STAR BLACK BUTTON START SEPARATION PAD UNIT TRAY PICKUP DR P208 1 1 P 208 DR 208II P 208II 6 1 7 1 50 MG1 4874 000 MG1 4906 000 MF1 4794 000 MH2 5435 000 MS2 9002 000 8 TRAY PICKUP TRAY PICKUP COVER BOTTOM CABLE USB SCREW TAPPING B BH M2 5X6 B ...

Страница 117: ...COPYRIGHT CANON ELECTRONICS INC 2012 CANON P 208 FIRST EDITION A 5 APPENDIX 2 Upper Unit Figure 200 ...

Страница 118: ...WER SHAFT SPRING TORSION 8 N 2 9 1 10 1 11 N 1 12 MA2 9985 000 MA2 9941 000 MA2 9958 000 MA2 9953 000 MA2 9957 000 1 HOOK SPRING TORSION LEFT MOUNT UPPER UNIT GUIDE LIGHT SPRING TORSION RIGHT 13 1 14 1 15 1 16 N 1 17 MA2 9946 000 MF1 4810 020 MS1 2609 000 MA2 9944 000 MA2 9945 000 1 CLUTCH ONE WAY ROLLER FOLLOWER BEARING SPRING COMPRESSION HOLDER DOCUMENT SPRING TORSION DOUBLE 18 N 1 19 1 20 1 21 ...

Страница 119: ...COPYRIGHT CANON ELECTRONICS INC 2012 CANON P 208 FIRST EDITION A 7 APPENDIX 3 Base Unit Figure 300 ...

Страница 120: ...MENT SPRING TORSION GEAR SPUR Z49 11 1 12 2 13 1 14 N 1 15 MS2 0290 000 MS2 0293 000 MA2 9972 000 MS1 1047 000 MA2 9965 000 N 1 GEAR SPUR Z28 16 GEAR SPUR Z17 ROLLER EJECT SUPPORT SHAFT PLATE GROUNDING 16 1 17 1 18 N 1 19 N 1 20 MA2 9971 000 MS2 0294 000 MA2 9983 000 MA2 9980 000 MA2 9973 000 N 1 ROLLER REGISTRATION GEAR SPUR Z45 SUPPORT SHAFT GUIDE LIGHT LOWER PLATE SLIDE 21 1 1 DR P208 P 208 DR ...

Страница 121: ...1188 000 300 04 1 300 13 1 300 20 1 300 14 1 100 01 1 200 05 1 100 03 1 200 15 1 300 19 1 MS1 1047 000 MS1 2608 000 MS1 2609 000 MS1 2610 000 200 19 1 300 09 1 200 07 2 300 11 1 300 18 1 300 10 1 200 08 2 300 03 1 300 24 1 300 12 2 300 23 1 300 17 1 200 24 1 100 50 8 MA2 8926 000 MA2 9941 000 MA2 9942 000 MA2 9943 000 MA2 9944 000 MA2 9945 000 MA2 9946 000 MA2 9947 000 MA2 9949 000 MA2 9953 000 MA...

Страница 122: ......

Страница 123: ...Prepared by Quality Assurance Center Canon Electronics Inc 3 5 10 Shibakoen Minato ku Tokyo 105 0011 Japan FIRST EDITION DEC 2012 63999a ...

Страница 124: ...1212TG ...

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