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Canon PIXMA MP640, Руководство по обслуживанию, Страница: 3 / 57

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4-4.  Special Notes on Servicing

 

(1)  For smeared printing, uneven printing, or non-ejection of ink

 

(2)  Paper feed motor adjustment

 

(3)  Carriage unit replacement

 

(4)  Document pressure sheet (sponge sheet) replacement

 

(5)  Ink absorber counter setting

 

4-5. Verification After Repair

 

(1) Standard inspection flow

 

(2) Service test print

 

(3) Ink absorber counter value print

 

5. MACHINE TRANSPORTATION

 

 

<TABLE OF CONTENTS>

 

Содержание PIXMA MP640

Страница 1: ...ographical errors due to improvements or changes made to the product When changes are made to the contents of the manual Canon will release technical information when necessary When substantial changes are made to the contents of the manual Canon will issue a revised edition The following do not apply if they do not conform to the laws and regulations of the region where the manual or product is u...

Страница 2: ...ternal housing scanner unit and document cover removal 2 Operation panel removal 3 Cable wiring and connection 4 Emblem removal 5 Carriage unlocking 6 ASF unit removal 7 Carriage unit removal 8 Spur unit and platen unit removal 9 Purge drive system unit right plate and switch system unit left plate removal 10 Engine unit reassembly 11 Ink absorber replacement 4 ADJUSTMENT SETTINGS 4 1 User Mode 4 ...

Страница 3: ...2 Paper feed motor adjustment 3 Carriage unit replacement 4 Document pressure sheet sponge sheet replacement 5 Ink absorber counter setting 4 5 Verification After Repair 1 Standard inspection flow 2 Service test print 3 Ink absorber counter value print 5 MACHINE TRANSPORTATION TABLE OF CONTENTS ...

Страница 4: ...n the paper feed motor so that the belt is stretched tight None 5 min CD DVD detection sensor light volume correction 1 At carriage unit replacement At logic board replacement To correct the light volume for the CD DVD detection sensor Service Tool 2 Perform in the service mode 5 min Automatic print head alignment At print head replacement At logic board replacement When print quality is not satis...

Страница 5: ...At platen unit replacement To correct line feeding eject roller diameter Service Tool 2 Perform in the service mode Carriage rail position adjustment At carriage unit replacement At carriage unit removal To set the carriage rail to the original position prior to removal or replacement of the carriage unit put a mark on the main chassis before removal of the carriage unit None 1 min N CD DVD print ...

Страница 6: ...conditions Machine buttons Computer MP driver 2 min Ink tank replacement When an ink tank becomes empty No ink error displayed on the monitor or on the machine LCD or short flashing of an ink tank LED To replace the empty ink tank 1 min Paper feed roller cleaning When paper does not feed properly When the front side of the paper is smeared To clean the paper feed rollers of the selected paper sour...

Страница 7: ... and controls paper feeding and purging operation APP sensor error APP position error 7 Carriage encoder sensor Detects the position of the carriage Carriage position error Printing shifts from the correct position Uneven printing Strange noise 8 Temperature Ink amount sensor Detects the temperature of the inside of the machine and the remaining ink amount Internal temperature error Low ink or out...

Страница 8: ...5 54 ...

Страница 9: ...6 54 ...

Страница 10: ...erial Number Location On the inner guide over the upper portion of the spur holder visible when the scanning unit cover is opened When the machine power is OFF When the machine power is ON 1 MAINTENANCE 7 54 ...

Страница 11: ...D R tray Attach the tray and press OK Set the CD DVD tray and press the OK button CD R tray Carriage unit No CD DVD 1 1002 Printable disc is not set Correctly place a disc in the CD R tray and press OK Set a printable disk in the CD DVD tray and insert the CD DVD tray in the proper position Then press the OK button CD R tray Carriage unit No paper in the cassette 1003 Cassette There is no paper Lo...

Страница 12: ... position Ink tank Warning The ink absorber becomes almost full 1700 The ink absorber is almost full Press OK to continue printing Contact the service center for replacement Replace the ink absorber and reset its counter See 4 2 Service Mode Pressing the OK button will exit the error and enable printing without replacing the ink absorber However when the ink absorber becomes full no further printi...

Страница 13: ...ned off Install the supported ink tanks Ink tank Ink tank not recognized 1682 U150 The following ink tank cannot be recognized Applicable ink tank icon A hardware error occurred in an ink tank the ink tank LED is turned off Replace the ink tank s Ink tank No ink no raw ink 1688 U163 The following ink has run out Replace the ink tank Applicable ink tank icon Replace the empty ink tank s and close t...

Страница 14: ...ing during printing 2 Smearing or scratches on the LF EJ slit film clean the LF EJ slit film 3 Foreign material or paper debris in the LF drive remove foreign material 4 Cable connection 5 Part replacement LF EJ slit film LF EJ timing sensor unit Paper feed roller unit Logic board Paper feed motor 4 times Purge cam sensor error 5C00 An error occurred in the purge unit 1 Foreign material or paper d...

Страница 15: ...ccurred in the APP motor 1 Foreign material or paper debris around the purge drive system unit remove foreign material and confirm that the ink absorber right beneath the purge drive system unit stays in place and does not contact the unit 2 Foreign material or paper debris around the ASF unit remove foreign material 3 Cable connection 4 Part replacement Purge drive system unit Logic board 14 time...

Страница 16: ...nit Carriage unit 22 times Scanner error 5011 An error occurred in the scanner 1 Document pressure sheet conditions 2 Cable connection 3 Part replacement Document pressure sheet sponge sheet Scanner unit Logic board FB motor error 5012 An error occurred in the scanner FB motor 1 Cable connection 2 Part replacement Scanner unit Scanner electric circuit error 5050 The AFE was faulty 1 Cable connecti...

Страница 17: ...t for paper feeding error from the rear tray PF pick up unit for paper feeding error from the cassette PE sensor board Pressure roller unit Cassette unit Faulty scanning no scanning strange noise 1 Confirm cable connection scanner motor cable and CIS FFC Harness and connector conditions No cable breakage etc 2 Replace the following item s Scanner unit Logic board The CD DVD tray is not pulled in t...

Страница 18: ...lowing item s Timing slit film Carriage unit Logic board Scanner unit for copying Graphic or text is enlarged on printouts in the paper feed direction 1 Confirm that the LF EJ slit film is free from smearing or scratches Cleaning of the LF EJ slit film 2 Replace the following item s LF EJ slit film LF EJ timing sensor unit Platen unit Logic board Scanner unit for copying Streaks or smears on the p...

Страница 19: ...tion print Service test print Printing via USB connection Copying Direct printing from a digital camera PictBridge Absorber kit 1 Cassette unit 2 Left and right side covers 3 Document pressure plate unit 4 Scanner unit 5 Main case 6 Rear cover 7 Print unit 8 Ink absorber See 3 2 Part Replacement Procedures 11 Ink absorber replacement for details After replacement 1 Reset the ink absorber counter S...

Страница 20: ...nt 1 Perform LF Eject correction in the service mode only when uneven printing or streaks appear on printouts after replacement See 4 2 Service Mode for details EEPROM information print Service test print Spur unit 1 Cassette unit 2 Left and right side covers 3 Document pressure plate unit 4 Scanner unit 5 Main case 6 Rear cover 7 Print unit 8 See 3 2 Part Replacement Procedures DO NOT contact the...

Страница 21: ... viewer unit Timing slit strip film See 3 2 Part Replacement Procedures and Parts Catalog Upon contact with the film wipe the film with ethanol Confirm no grease is on the film Wipe off any grease thoroughly with ethanol Do not bend the film After replacement 1 Perform print head alignment in the user mode 2 Perform LF Eject correction in the service mode only when uneven printing or streaks appea...

Страница 22: ...the timing slit strip film timing slit disk feed film and timing slit disk eject film No grease or abrasion is allowed Protect the units from soiled with ink Protect the housing from scratches For the MP640 MP648 automatic print head alignment use Matte Photo Paper MP 101 to ensure alignment accuracy Exercise caution with the screws as follows i The screws of the paper feed motor may be loosened o...

Страница 23: ... card board IrDA board PE sensor board and WLAN board Some of the photos are of the iP4600 iP4700 and MP630 since their structures are same 1 External housing scanner unit and document cover removal MP640 MP648 3 REPAIR TABLE OF CONTENTS 1 Remove the cassette 2 Open the front door and scanner unit then remove the side cover R 2 screws The scanner unit hinges are fitted in the right and left side c...

Страница 24: ...e core is fixed on the rib of the sub case back of the main case 4 Remove the side cover L scanner unit then document pressure plate unit 2 screws While holding the scanner unit remove the side cover L then disengage the scanner unit from the scanner support arm 21 54 ...

Страница 25: ...5 Remove the main case and sub case no screws 22 54 ...

Страница 26: ...23 54 ...

Страница 27: ... the scanner unit It will make it easier if the cable core is removed first 2 Remove the panel cover Insert a pair of tweezers through into the hole in the bottom of the document pressure plate and push the panel cover to release it from the plate base 3 Remove the top cover from the base 9 screws There are 2 claws at the center of the top cover where the document pressure sheet sponge sheet is at...

Страница 28: ...sition and cable layout see the photos below Use the longnose pliers in disengaging the hinge and in releasing the spring 5 Remove the panel board 10 screws 6 When replacing the Easy Scroll Wheel always replace the entire wheel with a new one since grease is already applied to it 25 54 ...

Страница 29: ...connection 1 Wiring on the right side 2 Wiring of the ink sensor cable and the inner cover open sensor cable 3 Wiring on the left side Pass the ground cable through the hole to hook it on the side of the bottom case 26 54 ...

Страница 30: ...ocking Push the emblem bottom to remove from the double sided adhesive tape 1 Rotate the APP motor drive gear toward the back of the machine to unlock the carriage Slide the carriage to the left the opposite of the home position 27 54 ...

Страница 31: ... 6 ASF unit removal 1 Remove the PE sensor board first then remove 1 screw from the left plate the left side of the ASF unit and 2 screws from the right plate the right side of the ASF unit 28 54 ...

Страница 32: ...is 3 points for each screw the left right and center 2 Remove the timing slit film Be cautious to keep it free from any grease or damage 3 Pass the head of a flat blade screwdriver through the hole of the main chassis and press the carriage belt to release it from the pulley Be cautious to keep it free from any grease 29 54 ...

Страница 33: ...to any parts If the carriage unit is not necessary to be replaced parts under the purge drive system unit etc can be replaced without removing the carriage rail While holding a set of a main chassis b carriage rail and c carriage unit together just remove the screws from the left and right plates This way you just have to reassemble the set of units marking of the carriage rail position to the mai...

Страница 34: ...sensor and the inner cover sensor from the front chassis 1 screw each 2 From the left and right sides of the spur unit release the springs 2 on the left side 1 on the right side Then slowly pull the spur unit upward to remove it from the platen unit 31 54 ...

Страница 35: ...3 Remove the front chassis 3 screws 4 Unlock the paper eject roller gear While raising the front of the platen unit remove the platen unit from the printer unit 32 54 ...

Страница 36: ...age motor cable duplex printing paper feed roller cassette feed roller cassette feed guide and paper guide unit both sides See the Parts Catalog for details 2 Remove the springs left and right from the pressure roller unit 3 Remove the screws that fix the units to the main chassis 2 on the right 3 on the left 33 54 ...

Страница 37: ...4 Separate the main chassis from the switch system unit and the purge drive system unit Switch system unit Purge drive system unit 34 54 ...

Страница 38: ...otrusion of the right and left plates respectively 7 Install the platen unit and the spur unit 8 Connect the springs on each side of the spur holder to the switch system unit and the purge drive system unit respectively 9 Attach the inner cover and the release arm 10 Fix the pressure roller unit to the main chassis screw it to the right and left plates 11 Attach the carriage unit and the carriage ...

Страница 39: ... bottom case It is not necessary to disassemble the whole engine unit 1 Disconnect the DC harness from the logic board right side of the machine 2 Disconnect the ground cable from the front chassis left side of the machine 3 Remove a total of 6 screws that fix the switch system unit to the bottom case and the purge drive system unit to the bottom case Specific screw location Photo of the iP4600 sa...

Страница 40: ... 7 While being cautious of the ink tube and each harness location return the print unit to the bottom case and fasten the screws removed in step 2 8 Properly arrange and connect the harnesses install the scanner unit and attach the document pressure plate unit and external housing After replacement of the ink absorber reset the ink absorber counter or set the appropriate counter value in the servi...

Страница 41: ... panel or from the MP driver Maintenance tab Set a sheet of Matte Photo Paper MP 101 A4 in the rear tray If the automatic print head alignment is not effective perform manual print head alignment Manual print head alignment Perform via the machine operation panel or from the MP driver Maintenance tab Set 3 sheets of plain paper A4 or Letter in the cassette or the rear tray if selected Print head a...

Страница 42: ...n is pressed the Alarm and Power LEDs light alternately Alarm in orange and Power in green starting with Alarm LED iv When the Power LED lights in green and the machine displays Service Mode Idle the machine is ready for the service mode operation 2 Start the Service Tool on the connected computer i When a button is clicked in the Service Tool dialog box that function is performed During operation...

Страница 43: ...del name destination machine serial number Ink system function check result CD DVD sensor check result printed on the second sheet 2 EEPROM EEPROM information print The dialog box opens to select the paper source Select Rear tray or Cassette and click OK EEPROM information print items Model name ROM version Ink absorber counter value ink amount in the ink absorber Print information Error informati...

Страница 44: ...production site CD DVD print position correction value LF Eject correction values Left margin correction value Production site E MIP correction value and enabling of it Endurance correction value and enabling of it Record of disabling the function to detect the remaining ink amount Ink absorber counter value ink amount in the ink absorber 11 Panel Check Button and LCD test See Button and LCD Test ...

Страница 45: ...for selection of another function 3 In the printout determine the Pattern No in which streaks or lines are the least noticeable for the LF check pattern and the Eject check pattern respectively LF Pattern No 0 to 4 Eject Pattern No 0 to 4 4 Select and set the correction values In the LF EJECT Correction section of the Service Tool select the Pattern No from 0 to 4 determined in step 3 for LF and E...

Страница 46: ...he LCD is divided into 6 segments representing each step The color of a segment corresponding to the step changes from red to green If the wheel is rotated counterclockwise before clockwise round completes the color of segment s corresponding to the number of steps the wheel is rotated counterclockwise returns to red If the wheel keeps rotated clockwise over 1 round 6 steps the color of segment s ...

Страница 47: ...tated counterclockwise 1 round 6 steps and all the segments are in blue press the OK button The color pattern is displayed on the LCD If there is any segment that is not in blue when the OK button is pressed the display remains unchanged 5 Transparent pattern display check 5 1 Press the OK button OK1 in white is displayed on the black background If the result is not good NG1 in black is displayed ...

Страница 48: ...on to confirm that the value is properly set to the EEPROM 6 DVD CD print position correction Set the DVD CD print position value to a new EEPROM after the logic board is replaced in servicing This function can be also used in solving user complaints in the field however use of the application software is recommended for solution of user complaints 1 Before replacement of the logic board check the...

Страница 49: ...o 290 2 Carriage rail The surface where the carriage unit slides 2 Floil KG107A 180 to 220 3 Carriage rail The surface where the carriage unit slides 3 Floil KG107A 180 to 220 4 Main chassis The surface where the carriage unit slides 4 Floil KG107A 230 to 290 5 Parallel pin The pin surface which contacts the idler pulley hole 5 Floil KG107A 9 to 18 1 x 1 6 APP code wheel gear shaft APP code wheel ...

Страница 50: ...47 54 ...

Страница 51: ... head cleaning is performed 2 times perform the print head deep cleaning then print the nozzle check pattern again 4 If the problem is still not resolved i turn off the machine and leave it for 24 hours or longer ii perform the print head cleaning and iii print the nozzle check pattern again 5 If the problem still persists after steps 1 to 4 the print head may be faulty Replace the print head 2 Pa...

Страница 52: ...o above 2 Slowly close the document pressure plate while maintaining the hinge position The document pressure sheet will attach to the plate frame 3 Open the plate to confirm the following No extension of the sponge edges over the mold part of the upper scanner cover No gap between the platen glass reference edges and the corresponding sponge edges No shades or streaks in monochrome test printing ...

Страница 53: ...heet or scanner unit replacement Communication with a connected computer Check point Via USB connection to the computer printing from the computer must be performed properly paper feeding from the rear tray and from the cassette respectively Additional verification to be made For repair of a specific problem confirm the applicable specific function in the user mode PictBridge IrDA communication Bl...

Страница 54: ... 2 Service test print Service test print sample First page 51 54 ...

Страница 55: ... Second page 52 54 ...

Страница 56: ... 3 Ink absorber counter value print Print sample 4 5 Verification After Repair 53 54 ...

Страница 57: ...If the print head must be removed from the machine and transported alone attach the protective cap used when the packing was opened to the print head to protect the print head face from damage due to shocks MP640 MP648 TABLE OF CONTENTS 1 If the print head is removed from the machine and left alone by itself ink the pigment based black ink in particular is likely to dry For this reason keep the pr...

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