Canon MP630 SERIES Service Manual Download Page 16

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3. REPAIR

3-1. Notes on Service Part Replacement (and Disassembling / Reassembling)

MP630 / MP638

TABLE OF CONTENTS

Service part

Notes on replacement

Adjustment / settings

Operation check

Logic board ass'y

- Before removal of the logic board

ass'y, remove the power cord, and

allow for approx. 1 minute (for

discharge of capacitor's

accumulated charges), to prevent

damages to the logic board ass'y.

- Before replacement, check the ink

absorber counter value (by

service test print or EEPROM

information print).

After replacement:

1. Initialize the EEPROM.

2. Set the ink absorber counter

value.

3. Set the destination in the

EEPROM.

4. Correct the CD / DVD and

automatic print head alignment

sensors.

5. Check the ink system function.

6. Perform LF / Eject correction.

7. Perform button and LCD test.

Perform 1 to 7 in the service

mode.

[See

3-3. Adjustment / Settings,

(6) Service mode

, for details.]

8. Perform print head alignment

and LCD language setting in the

user mode.

- EEPROM information print

- Service test print

- Printing via USB connection

- Copying

- Direct printing from a digital

camera (PictBridge)

Absorber kit

After replacement:

1. Reset the ink absorber counter.

[See

3-3. Adjustment / Settings,

(6) Service mode

, for details.]

- Ink absorber counter volume

print (After the ink absorber

counter is reset, the counter

value is printed automatically.)

Carriage unit

At replacement:

1. Before removal of the carriage

rail, mark the carriage rail

position.

[See

3-2. Special Notes on

Repair Servicing, (7) Carriage

unit removal

, for details.]

2. Apply grease to the sliding

portions of the carriage rail.

[See

3-3. Adjustment / Settings,

(3) Grease application

, for

details.]

3. Check the ink system function.

[See

3-3. Adjustment / Settings,

(6) Service mode

, for details.]

4. Perform print head alignment in

the user mode.

- Service test print (Confirm

CD / DVD and automatic print

head alignment sensor

correction, and ink system

function.)

Switch system unit

- The red screws securing the paper

feed motor are allowed to be

loosened only for paper feed

motor replacement. (DO NOT

loosen them in any other cases.)

At replacement:

1. Adjust the paper feed motor.

[See

3-3. Adjustment / Settings,

(1) Paper feed motor adjustment

for details.]

- EEPROM information print

- Service test print

Paper feed motor

Platen unit

After replacement:

1. Perform LF / Eject correction in

the service mode.

[See

3-3. Adjustment / Settings,

(6) Service mode

, for details.]

- EEPROM information print

- Service test print

Spur unit

- DO NOT contact the spur edges.

After replacement:

1. Check the ink system function.

2. Perform LF / Eject correction in

the service mode.

[See

3-3. Adjustment / Settings,

- EEPROM information print

- Service test print

14 / 45

Summary of Contents for MP630 SERIES

Page 1: ...typographical 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 i...

Page 2: ... panel removal 3 Cable wiring and connection 4 Emblem removal 5 Carriage unlocking and ink absorber replacement 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 3 3 Adjustment Settings 1 Paper feed motor adjustment 2 Document pressure sheet sponge sheet replacement 3 Grease application 4 I...

Page 3: ...ensor 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 satisfying To secure the dot placement accuracy None Perform in the user mode 7 min Use MP 101 Manual print head alignment At print head replacement At logic board replacement When print quality is not satisfying To secure the dot plac...

Page 4: ...diameter Service Tool 2 Perform in the service mode and Eject correction is performed at the same time N 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 The red screws securing th...

Page 5: ...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...

Page 6: ...he spur holder visible when the scanning unit cover is opened Name Tool No Application Remarks FLOIL KG 107A QY9 0057 000 To the carriage rail sliding portions and Easy Scroll Wheel base In common with the MP610 etc When the machine power is OFF When the machine power is ON 1 MAINTENANCE 4 45 ...

Page 7: ...he proper position Then press the OK button No paper in the cassette 1003 Cassette There is no paper Load paper and press OK Confirm that the cassette is selected as the paper source Set the paper in the cassette and press the OK button Paper jam 1300 The paper is jammed Clear the paper and press OK Remove the jammed paper and press the OK button Paper jam in the rear guide 1303 Paper jam in the u...

Page 8: ...d Replace the ink tank An ink tank which has once been empty is installed Replace the applicable ink tank with a new one Printing with a once empty ink tank can damage the machine To continue printing without replacing the ink tank s press the Stop button for 5 sec or longer to disable the function to detect the remaining ink amount After the operation it is recorded in the machine EEPROM that the...

Page 9: ...J slit film clean the LF EJ slit film 2 Foreign material or paper debris in the LF drive remove foreign material 3 Cable connection 4 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 debris around the purge drive system unit remove foreign...

Page 10: ...g or paper ejection Paper feed cam sensor error 6B10 An error occurred in the paper feed cam sensor during paper feeding from the cassette or the paper absorbing a large amount of ink jammed in the PF rear guide 1 Jammed paper in the PF rear guide when a large amount of ink was absorbed in the paper remove the jammed paper and foreign material 2 Foreign material or paper debris in the cassette or ...

Page 11: ...nt Scanner unit Scanner electric circuit error 5050 The AFE was faulty 1 Cable connection 2 Part replacement Scanner unit 23 times Valve cam sensor error 6C10 The valve cam sensor was faulty at power on or when purging was attempted 1 Foreign material or paper debris around the purge drive system unit remove foreign material 2 Cable connection 3 Part replacement Purge drive system unit Logic board...

Page 12: ...s to the value before the error Memory card is not set Insert the card after checking the direction The memory card is not inserted in the slot properly Set a memory card properly DPOF information is not saved DPOF print was selected in the menu but no DPOF files are contained in the memory card A temporary error The LCD automatically returns to the display before the error occurrence The number o...

Page 13: ...ot be scanned or is not placed on the platen glass The machine failed in scanning the document for Fit to page copy Press the OK button to clear the error Correct the settings then try the operation again Cover is open Close cover The cover was opened during printing Close the cover The LCD returns to the display before the error occurrence Scanner is not operating correctly The CIS cannot detect ...

Page 14: ...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 the feeder 1 Confirm the reflector of the back of the CD DVD tray Cleaning of the reflector 2 Replace the following item...

Page 15: ... 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 Faulty scanning No scanning 1 Replace the following item s Scanner unit Logic board Streaks or smears on th...

Page 16: ...ounter volume print After the ink absorber counter is reset the counter value is printed automatically Carriage unit At replacement 1 Before removal of the carriage rail mark the carriage rail position See 3 2 Special Notes on Repair Servicing 7 Carriage unit removal for details 2 Apply grease to the sliding portions of the carriage rail See 3 3 Adjustment Settings 3 Grease application for details...

Page 17: ...drive system unit After replacement 1 Confirm the purging operation and the machine operation See 3 4 Verification After Repair for details Service test print Carriage rail and main chassis At replacement 1 Apply grease to the sliding portions See 3 3 Adjustment Settings 3 Grease application for details Service test print Idler pulley parallel pin Easy Scroll Wheel base APP code wheel gear shaft D...

Page 18: ... LCD operation panel board scanner unit logic board card board IrDA board and PE sensor board 1 External housing scanner unit and document cover removal MP630 MP638 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 covers 16 45 ...

Page 19: ...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 17 45 ...

Page 20: ...5 Remove the main case and sub case 18 45 ...

Page 21: ...19 45 ...

Page 22: ... 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...

Page 23: ...ove the operation panel unit from the base 4 screws For the hinge cable core position and cable layout see the photos below Use the longnose pliers in disengaging the hinge and in releasing the spring 21 45 ...

Page 24: ...ve the panel board 10 screws 6 Remove the Easy Scroll Wheel from the panel board Be cautious not to touch the grease between the wheel base and the wheel See 3 3 Adjustment Settings 3 Grease application 22 45 ...

Page 25: ...le wiring and 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 Hook the ground cable on the side of the bottom case 23 45 ...

Page 26: ...nk absorber replacement Push the emblem bottom to remove from the double sided adhesive tape 1 Rotate the drive unit gear toward the back of the machine to unlock the carriage Slide the carriage to the left the opposite of the home position 24 45 ...

Page 27: ... 6 ASF unit removal 1 Remove 1 screw from the left plate and 2 screws from the right plate 25 45 ...

Page 28: ... the main chassis 3 points for each screw the left right and center 2 Remove the timing slit film Be cautious to keep the film free from any grease or scratches 3 Using a longnose pliers release the left end of the pulley holder spring and remove the carriage belt Be cautious to keep the belt free from any grease 26 45 ...

Page 29: ...ain chassis Before removing the center screw remove the carriage cable holder from the front chassis After the 3 screws are removed slowly put down the carriage rail 5 Remove the carriage unit Be cautious that the grease will not attach to any parts 27 45 ...

Page 30: ...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 28 45 ...

Page 31: ...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 29 45 ...

Page 32: ... and switch system unit left plate removal 1 Release the springs of the carriage 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 30 45 ...

Page 33: ...e left and the right ones 3 Remove the screws that fix the units to the main chassis 2 on the right 3 on the left 4 Separate the main chassis from the switch system unit and the purge drive system unit 3 2 Special Notes on Repair Servicing 31 45 ...

Page 34: ...position the upper left corner of the document pressure sheet at the scanning reference point on the platen glass back left where the red lines cross in the photo above 2 Slowly close the document pressure plate while maintaining the hinge position The document pressure sheet will attach to the plate 3 Open the plate to confirm the following No extension of the sponge edges over the mold part of t...

Page 35: ...s 2 Floil KG107A 18 to 36 1 x 2 3 Carriage rail The surface where the carriage unit slides 3 Floil KG107A 360 to 440 4 Carriage rail The surface where the carriage unit slides 4 Floil KG107A 360 to 440 5 Main chassis The surface where the carriage unit slides 5 Floil KG107A 230 to 290 6 Parallel pin The pin surface which contacts the idler pulley hole 6 Floil KG107A 9 to 18 1 x 1 7 APP code wheel ...

Page 36: ...lue replace the ink absorber ink absorber kit When the ink absorber is replaced reset the applicable ink absorber counter to 0 How to check the ink absorber value and the way to set the ink absorber counter See 3 3 Adjustment Settings 6 Service mode Ink absorber counter setting No Part name Where to apply grease oil Drawing No Grease Grease amount mg Number of drops x locations 8 Easy Scroll Wheel...

Page 37: ... panel or from the MP driver Maintenance tab Set 1 sheet of A4 Matte Photo Paper MP 101 in the rear tray If automatic 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 alignment value ...

Page 38: ...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 LCD 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 o...

Page 39: ...r resetting Not used 9 EEPROM Clear EEPROM initialization The following items are NOT initialized and the shipment arrival flag is not on USB serial number Destination settings Record of ink absorber counter resetting and setting Record of repair at the production site CD DVD print position correction value LF Eject correction values Left margin correction value Production site E MIP correction va...

Page 40: ...e 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 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 EJECT respectively and click Set 5 The selected LF and Eject correction values are written to the ...

Page 41: ...croll Wheel clockwise step by step The LCD is divided into 16 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 ...

Page 42: ...rotated counterclockwise 1 round 16 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 Adjust the transparent color and LCD flicker as follows 5 1 Press the OK button OK1 in white is displayed on the black background If the result is not good N...

Page 43: ...bsorber counter value should be set in the service mode using the Service Tool In the Ink Absorber Counter section of the Service Tool select Main from the Absorber pull down menu From the Counter Value pull down menu select the value in 10 increments which is the closest to the actual counter value confirmed before replacement of the logic board and click Set 3 Print EEPROM information to confirm...

Page 44: ...nication 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 CD DVD print Bluetooth communication Sca...

Page 45: ... 2 Service test print Service test print sample 43 45 ...

Page 46: ... 3 Ink absorber counter value print Print sample 3 4 Verification Items 44 45 ...

Page 47: ...lone 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 If the packing material that fixed the carriage from the factory is still available re use it to fix the carriage to prevent the carriage unlocked during transportation MP630 MP638 TABLE OF CONTENTS 1 If the print head is removed from the machine and left alone...

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