Canon imageFORMULA DR-M140 Page 116 Service Manual Download

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CHAPTER 5 TROUBLESHOOTING

7. Moire in Image

The moire effect occur when photos from magazines, catalogs, etc. are scanned at a low
resolution.

Cause/Faulty

Locations

Step Check

Item Result Action

NO Set

it.

Setup of “Moire
Reduction”

Is “Moire Reduction” set?

YES

Increase the resolution.
Set to “High Quality
Moire Reduction”.

Table 5-508

5-46

COPYRIGHT

CANON ELECTRONICS INC. 2011 CANON DR-M140 FIRST EDITION

Summary of Contents for imageFORMULA DR-M140

Page 1: ...FIRST EDITION AUG 2011 MY8 13AR 000 COPYRIGHT CANON ELECTRONICS INC 2011 CANON DR M140 FIRST EDITION...

Page 2: ...COPYRIGHT CANON ELECTRONICS INC 2011 Use of this manual should be strictly supervised to avoid disclosure of confidential information...

Page 3: ...ance Installation method maintenance method Chapter 5 Troubleshooting Error display and troubleshooting Appendix General diagram etc Information in this manual is subject to change Notification of suc...

Page 4: ...AL COMPONENTS 2 18 1 Layout of Electrical Components 2 18 VII PARTS LAYOUT ON EACH PCB 2 19 1 Control PCB 2 19 2 Operation PCB 2 20 3 Document Sensor PCB 2 20 CHAPTER 3 DISASSEMBLY REASSEMBLY I EXTERN...

Page 5: ...Other 5 20 4 Write Setting to Text 5 21 D Scan Check 5 22 1 Scan Check 5 22 2 Manual Shading 5 24 E Firm Load 5 24 1 Firm Registration 5 25 2 Firm Load 5 27 F Analog 5 28 1 Analog 5 28 G Extended Sett...

Page 6: ......

Page 7: ...CHAPTER 1 GENERAL DESCRIPTION I PRODUCT OUTLINE 1 1 II NAME OF PARTS 1 6 III USER OPERATION 1 7 COPYRIGHT CANON ELECTRONICS INC 2011 CANON DR M140 FIRST EDITION...

Page 8: ......

Page 9: ...Outside diameter of feed roller is made larger Skew sensor installed 4 Automatic image processing Auto color detection mode Auto resolution mode Full auto mode 5 Includes easy to user application sof...

Page 10: ...ems whichever comes first 1 5 years 2 1 000 000 sheets A4 Replace parts if necessary 8 Installation By user 9 Option 1 Flatbed scanner FSU 101 2 Barcode module software 10 Consumable parts Commercial...

Page 11: ...B W TIFF 600dpi 20ppm 40ipm 200dpi 40ppm 80ipm 300dpi 40ppm 80ipm Gray JPEG 600dpi 20ppm 40ipm 200dpi 40ppm 80ipm 300dpi 40ppm 80ipm Color JPEG 600dpi 12ppm 24ipm 21 Scanning speed A4 size Using compu...

Page 12: ...ect U turn path 1 A4 or smaller 50 sheets max and 10mm height max 2 A4 over 40 sheets max and 10mm height max 27 Double feed detection 1 Length detection by registration sensor 2 Double feed detection...

Page 13: ...extraordinary noise smoke heat and odor occur immediately unplug the power cord 6 Disposal Follow local regulations when disposing of the product and parts This product is subject to the WEEE Directiv...

Page 14: ...guides 6 Ventilation holes 7 Operating panel 8 Power button 9 Feed selection lever 10 LED indicator orange Back View Operating Panel Figure 1 202 Figure 1 203 1 Kensington slot 2 Straight path tray 3...

Page 15: ...n and maintenance refer to CHAPTER 4 INSTALLATION MAINTENANCE 1 Placing Documents 1 Change the feed and eject methods depending on types of documents Open the document feed tray Furthermore open the d...

Page 16: ...Figure 1 306 2 When the main screen is displayed click Scan First Note Since Scan First is enabled by default this operation is not required Figure 1 307 3 Change the Enable continuous scanning and Sc...

Page 17: ...the output method Figure 1 311 7 When the output is complete the finished screen is displayed Figure 1 312 Reference Scanner Settings Screen You can display the settings on the screen by setting Scans...

Page 18: ...s 1 Remove any remaining documents from the document feed tray Figure 1 315 2 Pull up the OPEN lever and open the upper unit Figure 1 316 3 Remove any jammed documents Figure 1 317 1 10 COPYRIGHT CANO...

Page 19: ...TLINE 2 1 II READING SYSTEM 2 6 III FEED SYSTEM 2 8 IV CONTROL SYSTEM 2 13 V POWER SUPPLY 2 17 VI LAYOUT OF ELECTRICAL COMPONENTS 2 18 VII PARTS LAYOUT ON EACH PCB 2 19 COPYRIGHT CANON ELECTRONICS INC...

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Page 21: ...his 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...

Page 22: ...egistration roller drive 5 Registration roller follower 6 Straight eject roller drive 7 Straight eject roller follower 8 U turn roller drive 9 U turn roller follower 10 Eject roller drive 11 Eject rol...

Page 23: ...cument stopper of the pickup section is moved by the feed motor Control PCB Feed motor Pickup roller Feed roller One way clutch Feed selection lever Main motor Retard roller including torque limiter R...

Page 24: ...is machine is shown below Sensor Sensor Sensor Sensor Switch Skew sensor R PCB Ultrasonic sensor drive PCB CIS unit back CIS unit front Document sensor PCB Operation PCB Main motor Feed motor Control...

Page 25: ...hown below Once the machine starts scanning it activates the feed motor and the main motor and feeds the document after the initial operation Start Document sensor Feed motor Main motor Read front sur...

Page 26: ...guide and case The reading glass and white reference sheet are mounted on the guide Photosensitive pixels are mounted on the CIS PCB with a density of 600 dpi in a line The effective reading width is...

Page 27: ...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 dirt on it Note that execut...

Page 28: ...ight eject roller follower 8 U turn roller drive 9 U turn roller follower 10 Eject roller drive 11 Eject roller follower 12 Straight path tray 13 Stopper 14 Flapper 15 Reading unit lower 16 Reading un...

Page 29: ...g the retard roller movable up and down Figure 2 302 4 Separation Separation of the documents is performed by the retard roller If the feed selection lever is set to normal separate though the retard...

Page 30: ...e feed roller 5 Eject This machine is equipped with both a U turn path and a straight path The selection is made by opening or closing the straight eject tray This is what operates the flapper The dif...

Page 31: ...leading edge of the document was not detected by the registration sensor within the specified time after the machine starts scanning b Early Reach Jam The leading edge of the following document was d...

Page 32: ...tightly adhered by static electricity or adhesive Furthermore double feed is judged if this level of difference is detected continuously for a specific amount of time As a result if the overlap betwe...

Page 33: ...driver IC17 Door sensor Skew sensor R PCB Ultrasonic driver PCB Document sensor PCB Flapper sensor Document eject sensor Post registration sensor Pre registration sensor Ultrasonic sensor receiver Se...

Page 34: ...ng image data temporarily IC6 Scanner controller Overall scanner control IC8 Serial EEPROM 2 kbit Saves the various setting data IC11 Flash memory 16 Mbit Stores firmware IC14 Sensor control microcont...

Page 35: ...n 16bit Offset Gain adjustment A D conversion 16bit Control PCB Scanner controller Shading correction One dimensional gamma correction Reordering Resolution conversion Three dimensional gamma correcti...

Page 36: ...nd one dimensional gamma correction are performed and the data is simultaneously converted into 8 bit data After this data reordering resolution conversion three dimensional gamma correction and JPEG...

Page 37: ...the DC voltages and supply power to each of the components When no documents have been fed or there has been no communication via this USB I F for an extended period of time the machine enters the sle...

Page 38: ...gure 2 601 Category Name Location Symbol Feed motor Base unit right M1 Motor Main motor Base unit right M2 Control PCB Base unit lower PCB1 Operation PCB Base unit right PCB2 Document sensor PCB Upper...

Page 39: ...apper sensor PS2 Door sensor SR1 Ultrasonic sensor receiver LED11 Back Document sensor transmitter LED9 Q39 Pre registration sensor LED8 Q38 Post registration sensor LED4 Q12 Eject sensor Blinking 1 s...

Page 40: ...PS201 7 segments LED SW201 Power switch SW202 Start switch SW203 Stop switch SW204 DFR switch SW205 JOB switch Table 2 703 3 Document Sensor PCB Figure 2 703 Symbol Details J501 6P Control PCB PD1 Doc...

Page 41: ...TS 3 1 II BASE UNIT 3 4 III UPPER UNIT 3 10 IV READING UNIT 3 14 The machine shown in the photographs of the figures in this chapter may be different from some mass produced machines COPYRIGHT CANON E...

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Page 43: ...l and open the straight path tray 1 Unhook the 2 pairs of fitting parts 2 on the left and right side and remove the upper cover 3 Take care because there is a cable connected to the back of the contro...

Page 44: ...screws 2 M3 self tapping on the inside of the retard roller cover while lifting up the front side slightly and pulling it towards you Remove the main body 4 after the rear side fitting parts come unh...

Page 45: ...on the right side in the figure below Then unhook the fitting parts 3 on the left side as well Note Once you have removed the document eject tray the open close lever inside and coil spring can also...

Page 46: ...remove the control PCB 2 from the mounting plate Figure 3 203 Notes on assembling You should insert the connector straight and all the way in Be careful when handling the reading unit connector becaus...

Page 47: ...1 of the gear shaft with the hole in the base and mount the motor while inserting the position setting pin 3 into the hole in the mounting plate so that the two edges 2 of the grounding plate touch t...

Page 48: ...plate Page 3 4 2 Remove the feed motor cable 1 from the cable holder and remove it from the base unit Note Be careful not to break the hook on the gear edge because it is thin Note Once you have remov...

Page 49: ...in the motor mounting plate with the shaft of the retard roller drive unit and the positioning pins in the base and assemble the motor while letting out the stopper gear The edge of the grounding plat...

Page 50: ...7 3 Remove the main motor with belt Page 3 5 4 Unhook the fitting part at the edge of the gear 1 then remove the gear and bearing Figure 3 216 5 Loosen the screw 1 M3 self tapping and then remove the...

Page 51: ...CHAPTER 3 DISASSEMBLY REASSEMBLY Figure 3 219 COPYRIGHT CANON ELECTRONICS INC 2011 CANON DR M140 FIRST EDITION 3 9...

Page 52: ...4 Then disconnect the connector 5 unhook the 2 pairs of fitting parts 6 and remove the skew sensor R PCB 7 Figure 3 301 2 Ultrasonic Drive PCB 1 Remove the sensor PCBs Page 3 10 2 Remove the connecto...

Page 53: ...1 is for the registration roller 2 is for straight path and 3 is for U turn Note The figure below shows the follower roller for the registration roller For the straight path and U turn the spring 6 i...

Page 54: ...Page 3 2 2 Remove the main motor Page 3 5 3 Loosen the screw 1 M3 self tapping and then remove the belt 2 Figure 3 306 Figure 3 307 4 Remove the 2 screws 1 M3 self tapping while the upper unit is clos...

Page 55: ...nnectors 1 and cable holders and move the cables outside of the upper unit 2 Then remove the upper unit Figure 3 308 Figure 3 309 Notes on assembling If the one way gear for the damper comes off look...

Page 56: ...excessively because the cable is connected to it Do not damage the hook Figure 3 401 2 Remove the cable 1 from the cable holder then remove the connector and remove the reading unit 2 Note Take care w...

Page 57: ...3 Notes on assembling Ensure that there is no dust or dirt on the CIS unit and reading glass There should not be any raised parts or gaps in any of the fitting parts 3 Lower Reading Unit 1 Open the up...

Page 58: ...ith dusts and do not touch the inner surface of the glass or the surface of the lens array 1 Remove the lower reading unit Page 3 15 2 With the reading unit upside down unhook the 8 pairs 4x2 of fitti...

Page 59: ...CHAPTER 4 INSTALLATION MAINTENANCE I INSTALLATION 4 1 II PARTS TO BE REPLACED 4 4 III MAINTENANCE 4 6 COPYRIGHT CANON ELECTRONICS INC 2011 CANON DR M140 FIRST EDITION...

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Page 61: ...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...

Page 62: ...re connecting the machine to a computer The following shows an outline of the installation 1 Login using an account with Administrator privileges Figure 4 101 2 Before installing the software exit all...

Page 63: ...ck that the power switch of the machine is off Of the power is on turn it off Figure 4 106 4 Connect the machine and the computer using the included USB cable When you turn this machine connected to t...

Page 64: ...emarks 1 Roller unit MG1 4648 000 2 Retard roller MG1 4650 000 200 000 sheets Because of the worn rollers it is necessary to replace when the feed error are occurred after cleaning Note The items abov...

Page 65: ...B MG1 4673 000 1 3 Upper Reading Unit MG1 8313 000 1 4 Lower Reading Unit MG1 8312 000 1 Includes reading guide 5 Upper Reading Guide MF1 4737 000 1 A reading glass attached 6 Lower Reading Guide MF1...

Page 66: ...pe off any dirt 3 Roller unit 4 Retard roller 5 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 main body Note R...

Page 67: ...er Figure 4 304 Figure 4 305 Figure 4 306 Retard roller Open the roller cover and remove the roller by pulling the lever Then assemble the new roller by aligning the fitting parts on the right side Fi...

Page 68: ...em 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 maintena...

Page 69: ...ERROR DISPLAY 5 1 II SERVICE MODE 5 2 III TROUBLESHOOTING LIST 5 37 IV OPERATION TROUBLESHOOTING 5 38 V IMAGE TROUBLESHOOTING 5 42 VI AFTER REPLACING PARTS 5 47 COPYRIGHT CANON ELECTRONICS INC 2011 C...

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Page 71: ...errors Table 5 101 2 Computer 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 uniqu...

Page 72: ...ile and product specific DLL files The system requirements for the computer are equivalent to those indicated in the User Manual The processing speed may drop if the CPU or memory capacity are not up...

Page 73: ...CHAPTER 5 TROUBLESHOOTING Get Status Scan Check Firm Load Figure 5 202 Analog Extended Setting Registration of Firm Figure 5 203 COPYRIGHT CANON ELECTRONICS INC 2011 CANON DR M140 FIRST EDITION 5 3...

Page 74: ...operating panel keys are ON or OFF 15 Feed Test Checks the overall operation of feeding documents 16 Feed Motor Checks the operation of the feed motor 17 Main Motor Checks the operation of the main m...

Page 75: ...erates the flapper sensor and displays data 45 Skew Sensor Operates the skew sensor and displays data 46 Extended Setting 47 Regist Manual Adjustment Manually adjusts the current registration adjustme...

Page 76: ...u can copy the 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...

Page 77: ...and then turn on the machine Figure 5 206 4 Run the installed file DRUnificationTool exe 7 Select Select Scanner to run each service mode or select Firm Registration to register firmware 8 If you sele...

Page 78: ...ct Application information Figure 5 208 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...

Page 79: ...ed part or after replacing the control PCB recording the adjustment data Note Note that you cannot execute operations that require communication with the scanner Adjustment sheet A sheet of ordinary w...

Page 80: ...urns 3 Select Regist Adjustment from the main menu screen Figure 5 211 4 A screen is displayed to check the adjustment sheet Check that the sheet is placed correctly and select OK Figure 5 212 5 The a...

Page 81: ...d to execute this mode Use TKM 0326 or TKM 0332 which is the same shading sheet as the one used for the DR 2010C 2510C or others Do not use a sheet with any dirt or creases 4 A screen is displayed to...

Page 82: ...setting screen To set the long document mode change the setting to 1000 0 mm or 3000 0 mm and select the OK button Figure 5 218 6 Even after the sheet has been ejected the data may be processed insid...

Page 83: ...r usage conditions If you change this setting notify the user that you are changing it Select Counter from the main menu screen to display the change counter screen The screen and list of items is sho...

Page 84: ...rough guide until the next replacement The corresponding parts can be decided within each local region or by the service technicians as necessary Table 5 202 After changing the value select the Set bu...

Page 85: ...ed 3 Select and open the file 4 It is loaded automatically and a progress screen is displayed Figure 5 223 5 When finished the progress screen disappears and the main menu screen returns When the firm...

Page 86: ...its target the corresponding mark lights The display screen is divided into Upper Unit Base Unit Rear and Panel Unit These are displayed by selecting the corresponding tabs 1 Upper Unit Pre registrati...

Page 87: ...right skew sensors and close the upper unit the skew sensor lights up If you lift up the feed selection lever to select none separate the separation sensor lights up At this time the LED beside the l...

Page 88: ...After selecting the operating conditions for the target motor select Start to rotate the motor Select Stop to stop the motor Note The combination of X horizontal and Y vertical resolution should be a...

Page 89: ...ost registration sensor P050 Force stop from controller Displays the 8 most recent error codes and the time they occurred Figure 5 231 The details of the error codes are shown below Note that since no...

Page 90: ...his machine Displays the serial number sleep time long document and counter information Figure 5 232 Figure 5 233 Serial number data is saved on the control PCB If this PCB is replaced enter the seria...

Page 91: ...g to text at the bottom right of the screen Operation Procedure 1 Select Write settings to text 2 When the save screen is displayed set the save location 3 The information is saved The following shows...

Page 92: ...de Simplex Duplex Jpeg comp brightness contrast Jpeg Image Not Save Read Image Data 2 Scan Click this button to begin the scan No Details 3 Image display area The scanned image is displayed The left s...

Page 93: ...Data is selected the image is neither saved nor displayed Figure 5 237 6 The completion screen is displayed when the document ends Click OK Figure 5 236 Note If an error occurs in the scan modes the...

Page 94: ...the firmware within the same folder and attach comments to firmware and is easy to manage Operation Procedure 1 Select Manual Shading to display the setting screen The initial values are all 0 Figure...

Page 95: ...screen or other screens 3 The firmware registration screen is displayed Select Register Figure 5 242 4 When the file selection screen is displayed select the file Note The file format is mot The file...

Page 96: ...der 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 Note To delete from the registrati...

Page 97: ...ss screen disappears When the firmware is changed a reset is automatically executed internally Figure 5 246 5 Check the version screen on the Check Device screen 2 When the warning screen is displayed...

Page 98: ...con Check Note This automatically detects whether the file is for the connected scanner and only executes writing if it is suitable Selecting the sensor is performed from the drop down box Furthermore...

Page 99: ...value Units are mm and the setting range is 5 0 The direction delays the timing 2 Virtical Scaling Rate control Feed direction scale parameter adjustment value There are three types Units are and the...

Page 100: ...as the automatic registration adjustment on the Main Menu screen and operates with linked settings The operation method is also the same which is to place the registration adjustment sheet white sheet...

Page 101: ...s Place with the pattern surface at the front 2 Set the scanning modes and select the Scan button Note Set the resolution to 300 dpi or 600 dpi the size to match the sheet size you are using or set to...

Page 102: ...etting can be configured from the Utility USB Properties Maintenance user operating screen That value is linked with the User Scale in this mode Note that the user value is displayed to one decimal pl...

Page 103: ...the leading edge is correct Refer to Figure 5 258 Note If the position of the leading edge is incorrect or the image is skewed perform the scan again Figure 5 258 6 Check the trailing edge image next...

Page 104: ...adjustment value alone If this happens use the user adjustment value as well Or replace the rollers 7 Place the adjustment sheet and scan again Check the displayed image Note Repeat the procedure aga...

Page 105: ...tton When you enter this mode a dot lights up in the bottom right of the Job No indicator 2 Error 3 Settings 4 Debugging note that this excludes default settings 5 Latest information when recovering t...

Page 106: ...oes not want to increase the disk usage ask the users to delete these as necessary from the save locations shown below 1 Windows XP C Documents and Settings All Users Application Data Canon Electronic...

Page 107: ...ot 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 Table 5 301 2 Image Failures Note Major causes of each fa...

Page 108: ...nnected NO Connect the connectors correctly AC power supply voltage 2 Is the power outlet supplying power at the rated voltage NO Explain to the user that this is not a problem with the machine Connec...

Page 109: ...omputer YES Done Software 2 Was the problem solved by reinstalling the scanner driver or application YES Done Connection of the connector control PCB 3 Are the motor and sensor connectors connected co...

Page 110: ...properly no float slant or gaps NO Attach the parts correctly Parts in feed path 8 Is the surface touching documents smooth No scratches or burrs NO Replace inferior parts Drive transmission system 9...

Page 111: ...running YES Close the other applications 3 Are resident applications such as a virus protection program running YES Close the service type applications Insufficient computer memory 4 Is there insuffi...

Page 112: ...l white All streaked Too dark Too light Streaks 1 Streaks 2 Streaks 3 Slanting Skew correction Wrong size Auto size Has shadows Original document B Missing leading edge Margin at leading edge Stretche...

Page 113: ...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...

Page 114: ...4 Is the inside of the CIS unit clean NO Clean or replace the reading unit Light Adjustment 5 Have you executed Light Adjustment NO Execute the adjustment Table 5 504 4 Image Slanted If the document...

Page 115: ...Execute the adjustment Scale parameter adjustment 5 Have you executed scale parameter adjustment NO Execute the adjustment Table 5 506 6 Text Cannot be Seen When the background includes colors or pat...

Page 116: ...ogs etc are scanned at a low resolution Cause Faulty Locations Step Check Item Result Action NO Set it Setup of Moire Reduction 1 Is Moire Reduction set YES Increase the resolution Set to High Quality...

Page 117: ...e value in the Counter in service mode 3 Execute the scale parameter adjustment in Extended Setting screen in service mode Reading Unit Execute Regist Adjustment and Light Adjustment in service mode R...

Page 118: ......

Page 119: ...APPENDIX I GENERAL CIRCUIT DIAGRAM A 1 II LIST OF SPECIAL EQUIPMENT A 2 COPYRIGHT CANON ELECTRONICS INC 2011 CANON DR M140 FIRST EDITION...

Page 120: ......

Page 121: ...trasonic sensor transmitter Skew sensor R PCB Skew sensor R Document sensor PCB Back Skew sensor L Document sensor receiver Separation sensor Flapper sensor Door sensor Ultrasonic sensor receiver Back...

Page 122: ......

Page 123: ...ts 1 set 2 Scale parameter adjustment sheet TKM 0271 or self made B For the scale parameter adjustment Can also be created from copier paper by the service technician 3 Test sheet TKM 0271 A For norma...

Page 124: ......

Page 125: ...Prepared by Quality Assurance Center Canon Electronics Inc 3 5 10 Shibakoen Minato ku Tokyo 105 0011 Japan FIRST EDITION AUG 2011 63999...

Page 126: ...0811SZ...

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