Canon PIXMA MP750 Service Manual

PIXMA MP 780PIXMA MP 750SERVICEMANUALCanonCopyright 2004, Canon U.S.A. This technical publication is the proprietary and confidential information of C

1 - 3 (3) Periodic replacement parts Adjustment Timing Purpose Tool Approx. time None (4) Replacement consumables Adjustment Timing Purpos

1 - 93 Figure 1-50 System Data List (6/7)

1 - 94 Figure 1-51 System Data List (7/7) Note: “START DATE” records the date when the fax performs its first transmission, after shipment from the

1 - 95 3-8-4 System Dump List (MP780 only) Figure 1-52 System Dump List *1 *2 *3 *4 *5 *6 *7 *8 *9 *10 *11

1 - 96 *1 : Date on which data was initialized with service data #8 CLEAR, ALL *2 : Total number of transmission *3 : Total number of pages trans

1 - 97 Figure 1-53 System Dump List *1 *2 *3 *4 *5 *6 *7 *8 *9 *10 *11 *12 *13 *14

1 - 98 *1 : Service error code *2 : Communication start date and time (on 24-hour display) *3 : Telephone number sent from other party *4 : Maker cod

1 - 99 3-8-5 Service Activity Report (sending / receiving) (MP780 only) Figure 1-54 Service Error Tx Report *1 *2 *3 *4*5 *6 *7

1 - 100 *1 : Indicates four digits of the transaction number *2 : Number sent from the other party or number dialled (lower 20 digits) *3 :

1 - 101 3-8-6 EEPROM information print <How to read EEPROM information print> [Print sample] MP780 V0.20 IF(USB1=1 1284=0) D=004.5 ST

4. Cleaning Your Machine This section describes the necessary cleaning procedures for your machine. 4-1 CAUTION • Be sure to turn OFF the power and d

1 - 4 1-3 Product Life (1) Main body Specified print volume (a), (b), or the years of use (c), whichever comes first. (a) Scanning Section: 15,000 pag

4-4. Cleaning The Interior Regularly clean the interior of the machine to avoid deterioration in print quality due to parts being dirtied by ink or pa

4-6 Cleaning the Rubber Sheet / Paper Feed Roller / Separate Roller Wipe the Rubber Sheet, the Paper Feed Roller, and the Separate Roller with a cle

4-8 Cleaning The Bottom Plate Follow this procedure: 1. Connect the power cord, and power on the machine 2. Remove any paper from the Auto Sheet Feede

5. TRANSPORTATION This section describes the procedures for transporting the printer for returning after repair, etc. (1) Keep the print head and in

Caution: (1) If the print head is removed from the printer and left alone by itself, ink (especially the pigment black ink) is likely to dry. For this

Part 2 Technical Reference

2 - 1 1. NEW TECHNOLOGIES (1) Dye black ink adoption In addition to the pigment black ink, dye black ink is adopted in this machine, so that special

2 - 2 <Phenomena of predictable troubles and the Solutions (how to avoid the troubles)> 1) Although the paper size is correct (A4/LTR) and the

2 - 3 2. CLEANING MODE AND AMOUNT OF INK PURGED To prevent printing problems due to bubbles, dust, or ink clogging, print head cleaning is performed b

2 - 4 Condition Details Amount of ink used(g) Est. required time (sec) Manual cleaning (Black/Color/All at the sametime) - Via the operation panel (A

1 - 5 1-5 Serial Number Label Location On the right side of the backside in the bottom case (close to the rating plate) Figure1-1 Serial Number La

2 - 5 3. Print Mode (1) Copy INK BK :BCI-3eBK (Column: Number C :BCI-6C 5pl of Colors) M :BCI-6M 5pl Y :BCI-6Y k :BCI-6BK c

2 - 6 (2) Standard Color Printing (at PC Printer Driver) Defult settingCan be set at Main tabcustom settingInktank 5 color : BCI-3eBK / 6BK / 6

2 - 7 (3) Standard Gray Scale Printing (at PC Printer Driver) Paper Type Drv.UI Fast <――> High QualityCustom 543 2 1Plain Paper Print Quality C

2 - 8 (5) Duplex Printing (at PC Printer Driver) Paper Type Drv.UI Fast <――>High QualityCustom 5 4 3 2 1Plain paper Print QualityCustom Draft S

2 - 9 4. FAQ(Problems Specific to the MP750 / MP780 and Corrective Actions) No * Function Phenomenon Condition Cause Corrective action Possible c

2 - 10 No * Function Phenomenon Condition Cause Corrective action Possible call or complaint 6 A Print results Soiling on the back side of pape

2 - 11 No * Function Phenomenon Condition Cause Corrective action Possible call or complaint 8 C Print results Scratches on paper -PP-101D, P

Part 3 Appendix

3 - 5 3. PIXMA MP750/MP780 Specification <GENERAL> Printer YES Scanner YES Copy YES Facsimile YES Memory Card NO Memory Card Slot - Media

3 - 6 <Printer Function> ASF YES Size A4, A5, B5, 4" x 6", LTR, LGL Paper Materials Plane paper, other Printing resoluti

1 - 6 2. LIST OF ERROR DISPLAY / INDICATION User error messages Look for the applicable error message and execute the appropriate countermeasures. Err

3 - 7 Seal Copy YES Name Card Copy YES Postcard Copy NO Borderless Copy YES Poster NO Fit to Page YES Entire Document

3 - 8 <Function> Dialing Manual 10-key Dialing YES (MP780 only) On-Hook Key YES Automatic Dialing YES One-Touch Speed Dialing 8 Coded-S

PRINTED IN JAPAN (IMPRIME AU JAPON) CANON INC.

1 - 7 Note: This error message means the same as service error codes ##338 and ##340. When this error occurs in this model, it is not treated as a

1 - 8 Memo: Until you press [OK] button, the machine displays this message continuously and you cannot perform any operations. The memory clear lis

1 - 9 2-2 User error code The error codes that have newly been added starting with the product are identified by the notation “new” those error codes

1 - 10 No. Tx or Rx Definition ##111 TX/RX Memory error ##114 RX RTN was transmitted ##200 RX During image reception, a carrier is not detected for 5

1 - 11 No. Tx or Rx Definition ##336 TX/RX BJ head abnormal temperature error ##337 RX BJ head temperature sensor error UNQ ##341 TX/RX Maintenance

1 - 12 No. Tx/Rx Definition ##750 TX In ECM transmission, no significant signal can be received after transmission of PPS-NULL, and the allowed numbe

PIXMA MP750/780 SERVICE MANUAL REVISION 0 PIXMA MP750 H12-4562 120V USA PIXMA MP750 H12-4563 230V EMB PIXMA MP750 H12-4564 230V

1 - 13 No. Tx or Rx Definition ##768 TX In ECM transmission, the allowed number of procedure signal re-transmissions was exceeded or a T5 time-over

1 - 14 No. Tx/Rx Definition ##785 TX In ECM transmission, no significant signal can be received after transmission of EOR-EOP, and the allowed numbe

1 - 15 (2) Check to make sure that no image exist in memory; then, turn off the power, remove the appropriate parts, and replace the waste ink absorbe

1 - 16 ##358 USB Host VBUS overcurrent error Cause: Overcurrent is applied to the VBUS signal of USB. Solution: (1) To reboot, press [OK] button or t

1 - 17 2-6 Troubleshooting by symptom Symptom Solution Remarks The unit does not power on. (1) Check the power cord connection. (2) Check

1 - 18 Symptom Solution Remarks The paper is not picked up from the auto sheet feeder. (1) Check the foreign matter in the paper feed section. (2

1 - 19 Symptom Solution Remarks Printing Quality error Blotches appear Blank ink appear (1) Remove and reinstall the print head. (2) Carry out n

1 - 20 Symptom Solution Remarks The document does not separate. 1) Check whether the document feed motor is driving all the rollers. (Check for any

1 - 21 Symptom Solution Remarks The image has vertical stripes. (1) Clean the Document glass. (2) Check the connection between the contact sensor a

1 - 22 2-7 Processing Communication Problems (MP780 only) 2-7-1 Initial identification of problems Since the facsimile must transmit picture informati

Scope This manual has been issued by Canon Inc., to provide the service technicians of this product with the information necessary for qualified per

1 - 23 To process communication problems, first of all, it is necessary to narrow down the cause of the problem. Thus, the procedures appearing below

1 - 24 2-7-2 Procedures for processing communication problems If the problem proves to be communication trouble, deal with it according to the follo

1 - 25 2-7-3 Procedures for processing communication problems with Canon facsimile. The process for carrying out communications at three points as sh

1 - 26 2-7-4 Procedures for processing communication problems with other manufacturer's facsimiles. When problems occur with other manufacturer&a

1 - 27 3. REPAIR 3-1 Notes on Service Part Replacement (and Disassembling / Reassembling) Service part Notes on replacement*1Adjustment / settings O

1 - 28 Service part Notes on replacement*1 Adjustment / settings*2 Operation check LIFT CAM SHAFT (HY7-2902) - Grease application to the sliding po

1 - 29 Figure1-7 Solenoid Cam Gear Figure1-8 LEFT COVER Figure1-9 RIGHT COVER (Open) (Short) Figure 1-10 SPCNT Short Plug locat

1 - 30 3-2 Special Notes on Repair Servicing 3-2-1 Flexible cable and harness wiring, connection Be careful of wiring of the flexible cables and harne

1 - 31 (2) SPCNT BOARD ASS’Y wiring Figure 1-13 SPCNT BOARD ASS’Y wiring SPCNT BOARD (JPSU1) - POWER SUPPLY UNIT SPCNT BOARD (JSOL1) - SOLE

1 - 32 (3) RELAY BOARD ASS’Y wiring Figure 1-14 RELAY BOARD ASS’Y wiring (4) POWER SUPPLY UNIT wiring Figure 1-15 POWER SUPPLY UNIT wi

I. MANUAL OUTLINE This manual consists of the following three parts to provide information necessary to service the PIXMA MP750/MP780: Part 1: Main

1 - 33 3-3 Adjustment / Settings 3-3-1 PAPER FEED MOTOR Adjustment Perform the following adjustments when the paper feed motor unit is replaced: 1)

1 - 34 (a) (b) (c) ASF ARM LOCK LEVER (d) CAPPING (3) Install the LEFT GEAR 1 by aligning it on the cutout of the CR SHAFT CAM R. Figu

1 - 35 3-3-3 Positioning in LIFT CAM SHAFT ASS’Y adjustment (1) Remove the PRESSURE ROLLER SPRING from the hook of the chassis, and apply it to th

1 - 36 3-3-4 SOLENOID CAM location (1) Install the spring so that the Short end of the spring is at the top and the Long end of the spring is at the b

1 - 37 3-3-6 Applying White Sheet (1) Rib bumps are provided in the vertical and the horizontal directions (location marks) on the back side of the d

1 - 38 NG Example: The edges of the white sheet are located on the scanner top cover. Figure 1-24 Location confirmation to apply the white sheet

1 - 39 3-3-7 Grease application Figure 1-25 Grease application1 (1)(9) (10)(2) (3) (4) (2) (8)

1 - 40 Figure 1-26 Grease application2 Part name Where to apply grease / oil Grease / oil name Grease / oil amount 1 Entire surface the CAR

1 - 41 3-3-8 Waste ink counter setting When the SPCNT board ass'y is replaced, check the amount of the waste ink capacity before the replacement.

1 - 42 [COPY] button (*a)[MENU]1. SPECIAL COPY BORDERLESS COPY SIZE * A4LTR4"x 6"5"x 7"CARDTYPE GLOSSY*PHOTO PROPHOTO PLUSOTHER

II. TABLE OF CONTENTS Part 1: MAINTENANCE 1 - 1 1. MAINTENANCE 1 - 1 1-1. Adjustment, Periodic Maintenance, Periodic Replacement Parts, and Re

1 - 43 5. USER SETTINGS DATE / TIME SETTING(USA) (EUROPE)DATE SETUP YYYY/DD/MM YYYY/DD/MM* MM/DD/YYYYMM/DD/YYYYDD/MM/YYYY* DD/MM/YYYYUNIT TEL NUMBER

1 - 44 7. RX SETTINGS ECM RX * ONOFFFAX/TEL AUTO SW RING START TIME * 8 SEC (0~30)(USA)F/T RING TIME * 15 SEC (10~45)(EUROPE)* 22 SEC (10~60)F/T SWI

1 - 45 4. SYSTEM SETTINGS QUIET PRINTING * OFFONEXTENSION AMOUNT * SMALLLARGEAUDIBLE TONES KEYPAD VOLUME 01*23ALARM VOLUME 01*23DISPLAY LANGUAGE * E

1 - 46 3-5. SERVICE SWITCHES 3-5-1 Hardware Switches There is no service hardware switch on the Circuit board. 3-5-2 Service Data Setting Service dat

1 - 47 3-5-3 Service Data Registration / Setting Method Service data can be registered/set by the following operations: Standby100% LTR NORMAL

1 - 48 3-5-4 Service Data Flowchart #1 SSSWBitService DataError management (MP780 only)NETWORK connection condition settings/memory clear list settin

1 - 49 #2 MENU01:02:03:04:05:06:07:08:09:10:20:ONOFFDIALSERVICEMANOFF10 (-10dBm)(8~15)Not usedNot usedNot usedNot usedNL equalizer settingLine monito

1 - 50 #3 NUMERIC Param.01:02:03:04:05:06:07:08:09:10:11:12:13:14:15:16:17:18:19:20:21:22:23:24:25:26:27:010 (10%)15 (15 lines)12 (12 times)44 35006

1 - 51 #4 NCU 1.TONE/PULSE(NCU settings)2.DIAL TONE3.2nd DIAL TONE4.BUSY TONE 05.BUSY TONE 16.REORDER TONE7.MULTI8.AUTO RX9.CNG DETECT10.SPECIAL11.RK

1 - 52 #7 PRINTER(Printer function settings)#1 SSSWSW01SW06SW07~20:SW20Not usedNot usedNot usedLeading edge marginTrailing edge margin (Black printin

1 - 79 3-6-2 Test Mode Menu 1 - 80 3-6-3 Factory Mode 1 - 81 3-6-4 Operation Panel Test 1 - 83 3-6-5 Print Test 1 - 85 3-6-6

1 - 53 #8 CLEAR#9 ROMTEL USER SWSERVICE SWNCUSERVICE DATAREPORTCOUNTERALLDialling data initializationUser data and service data #1 to #3 initializati

1 - 54 3-5-5 Explanation of service data a) SSSW (Service Soft Switch settings) The items registered and set by each of these switches comprise 8-bit

1 - 55 3-5-6 New SSSWs/parameters added to this model #1 SSSW (service soft switch setting) SW01 (service soft switch 01: error management) Bit Fu

1 - 56 #1 SSSW (service soft switch setting) SW18 bit Communication trouble solutions settings Bit Function 1 0 0 Carrier break detecti

1 - 57 SW28 (service soft switch 28: V.8/V.34 protocol settings) Bit Function 1 0 0 (New) Caller V.8 protocol NO YES 1 (New) Call

1 - 58 SW29 Flash ROM version up Bit Function 1 0 0 Not used 1 (New) Flash ROM version up YES NO 2 Not used 3 Not used 4 N

1 - 59 NOTE: The T1 timer for the transmitter (wait time after a CED, V21 flag, or ANSam significant signal is detected until the next significant sig

1 - 60 3-5-7 SSSW Default Setting TYPE U.S.A. EUROPE U.K. SWEDEN SWISS AUSTRIA#1 SSSW SW01 00000000 00010000 00010000 00010000 00010000 00010

1 - 61 TYPE U.S.A. EUROPE U.K. SWEDEN SWISS AUSTRIASW31 00000000 00000000 00000000 00000000 00000000 00000000 SW32 00000000 00000000 00000000 00000

1 - 62 TYPE DENMARK NORWAY HOLLAND BELGIUM AUSTRALIA FINLAND#1 SSSW SW01 00010000 00010000 00010000 00010000 00010000 00010001 SW02 00000000

Part 1 Maintenance

1 - 63 TYPE DENMARK NORWAY HOLLAND BELGIUM AUSTRALIA FINLAND SW31 00000000 00000000 00000000 00000000 00000000 00000000 SW32 00000000 00000000 0000

1 - 64 TYPE N.Z ITALY SPAIN PORTUGAL IRELAND HONG KONG#1 SSSW SW01 00010000 00010000 00010000 00010000 00010000 00010000 SW02 00000000 000000

1 - 65 TYPE N.Z ITALY SPAIN PORTUGAL IRELAND HONG KONGSW31 00000000 00000000 00000000 00000000 00000000 00000000 SW32 00000000 00000000 00000000 00

1 - 66 TYPE MALAYSIA HUNGARY SAF KOREA CHINA GERMAN #1 SSSW SW01 00010000 00010000 00010000 00010000 00010000 00010000 SW02 00000000 00000

1 - 67 TYPE MALAYSIA HUNGARY SAF KOREA CHINA GERMAN SW31 00000000 00000000 00000000 00000000 00000000 00000000 SW32 00000000 00000000 00000000 0

1 - 68 TYPE FRANCE SINGAPORE CZECH SLOVENIA CANADA JAPAN #1 SSSW SW01 00010000 00010000 00010000 00010000 00000000 00010000 SW02 00000000

1 - 69 TYPE FRANCE SINGAPORE CZECH SLOVENIA CANADA JAPAN SW31 00000000 00000000 00000000 00000000 00000000 00000000 SW32 00000000 00000000 000000

1 - 70 TYPE RUSSIA ASIA POLAND EUROPE2 STANDARD #1 SSSW SW01 00010000 00010000 00010000 00010000 00010000 SW02 00000000 00000000 00000000 0000

1 - 71 TYPE RUSSIA ASIA POLAND EUROPE2 STANDARD SW31 00000000 00000000 00000000 00000000 00000000 SW32 00000000 00000000 00000000 00000000 00000000

1 - 72 TYPE U.S.A. EUROPE U.K. SWEDEN SWISS AUSTRIA #3 NUMERIC Param 01: 0 0 0 0 0 0 02: 10 10 10 10 10 10 03: 15 15 15 15 15 15 04: 12 12 12

1 - 1 1. MAINTENANCE 1-1 Adjustment, Periodic Maintenance, Periodic Replacement Parts, and Replacement Consumables by Service Engineer (1) Adjustment

1 - 73 TYPE DENMARK NORWAY HOLLAND BELGIUM AUSTRALIA FINLAND #3 NUMERIC Param 01: 0 0 0 0 0 0 02: 10 10 10 10 10 10 03: 15 15 15 15 15 15 04: 1

1 - 74 TYPE N.Z ITALY SPAIN PORTUGAL IRELAND HONG KONG#3 NUMERIC Param 01: 0 0 0 0 0 0 02: 10 10 10 10 10 10 03: 15 15 15 15 15 15 04: 12 12 12

1 - 75 TYPE MALAYSIA HUNGARY SAF KOREA CHINA GERMAN #3 NUMERIC Param 01: 0 0 0 0 0 0 02: 10 10 10 10 10 8 03: 15 15 15 15 15 15 04: 12 12 1

1 - 76 TYPE FRANCE SINGAPORE CZECH SLOVENIA CANADA JAPAN #3 NUMERIC Param 01: 0 0 0 0 0 0 02: 8 10 10 10 10 10 03: 15 15 15 15 15 15 04: 12

1 - 77 TYPE RUSSIA ASIA POLAND EUROPE2 STANDARD #3 NUMERIC Param 01: 0 0 0 0 0 02: 10 10 10 10 10 03: 15 15 15 15 15 04: 12 12 12 12 12 05: 4 4

1 - 78 3-6 Test Mode / Factory Mode This machine is equipped with the test mode to check operations of various functions listed below. To enter into

1 - 79 3-6-2 Test Mode Menu *[1] SYSTEM TEST*[2] SCANNER [3] PRINTER*[4] MODEM*[7] SENSOR*[8] ETC[1] ROM SUM / CPU SUM[2] SD RAM[2] ADF READ[3] BOOK

1 - 80 3-6-3 FACTORY Mode Menu [1] PANEL [2] PRINTER*[3] CCD SELF CHECK*[4] SCAN*[5] FILM SCAN*[6] G3 TX*[7] IRDA*[8] CR GEAR ADJUST*[9] CD-R (MANUAL

1 - 81 3-6-4 Operation Panel Tests If you select test menu in the FACTORY mode, [1] PANEL is displayed. To select the test menu, press the OK butto

1 - 82 Press OK and color start keyH pattern display(Omit the LCD character)FACTORY MODE[1]-[9] [1]PANELHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHPress

1 - 2 Adjustment Timing Purpose Tool Approxtime Print head alignment - At print head replacement - At SPCNT BOARD ASS’Y replacement To ensure

1 - 83 3-6-5 PRINT TEST Select SHUKKEN of the PRINTER test from the FACTORY MODE menu to print out the print pattern. The following items can be che

1 - 84 <Service test print sample> Figure 1-44 Service test print Check 1 Nozzle check pattern Check 3 Straight line Check 2 Top of from ac

1 - 85 3-6-6 CD-R Calibration When SPCNT board ass’y, CD-R tray, or a unit or a part of printer (such as Carriage unit, Pump unit) is replaced, perfo

1 - 86 3-8 Verification Items 3-8-1 User report output functions (MP780 only) The machine can output user reports manually by user operation, or aut

1 - 87 3-8-2 Service report output functions (MP780 only) This machine outputs the service data setting status, past communications history reports, d

1 - 88 3-8-3 System data list (MP780 only) This list shows service data #1~#5, #7, #9 setting statuses.The following is a sample list. Figure 1-45 Sy

1 - 89 Figure 1-46 System Data List (2/7)

1 - 90 Figure 1-47 System Data List (3/7)

1 - 91 Figure 1-48 System Data List (4/7)

1 - 92 Figure 1-49 System Data List (5/7)