Canon PIXMA MP750 Bedienungsanleitung

PIXMA MP750/780

SERVICE

MANUAL

REVISION 0

PIXMA MP750 H12-4562 120V USA

PIXMA MP750 H12-4563 230V EMB

PIXMA MP750 H12-4564 230V GB

PIXMA MP750 H12-4565 230V EUM

PIXMA MP750 H12-4566 120V CND

PIXMA MP750 H12-4568 230V AUS

PIXMA MP780 H12-4582 120V USA

PIXMA MP780 H12-4583 230V EE/NE

PIXMA MP780 H12-4584 230V GB/ME/NORD/ZA

PIXMA MP780 H12-4585 230V AT/CH/DE

PIXMA MP780 H12-4586 230V WEST

PIXMA MP780 H12-4587 120V CND/LTN

PIXMA MP780 H12-4588 230V AUS

PIXMA MP780 H12-4589 230V AE

PIXMA MP780 H12-4597 230V CHN

HY8-13A3-000

Scope

This manual has been issued by Canon Inc., to provide the service technicians of this product with the

information necessary for qualified persons to learn technical theory, installation, maintenance, and repair of

products. The manual covers information applicable in all regions where the product is sold. For this reason, it

may contain information that is not applicable to your region.

Revision

This manual could include technical inaccuracies or 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 is used:

Trademarks

Product and brand names appearing in this manual are registered trademarks or trademarks of the respective

holders.

another language without the written permission of Canon Inc., except in the case of internal business use.

CANON INC.

Inkjet MFP Quality Assurance Div.

5-1 Hakusan 7-Chome, Toride-city, Ibaraki 302-8501, Japan

I. MANUAL OUTLINE

This manual consists of the following three parts to provide information necessary to service the PIXMA

MP750/MP780:

Part 1: Maintenance

Information on maintenance and troubleshooting of the PIXMA MP750/MP780

Part 2: Technical Reference

New technology and technical information such as FAQ's (Frequently Asked Questions) of the PIXMA

MP750/MP780

Part 3: Appendix

Block diagrams and pin layouts of the PIXMA MP750/MP780

Reference:

This manual does not provide sufficient information for disassembly and reassembly procedures. Refer

to the graphics in the separate Parts Catalog.

II. TABLE OF CONTENTS

Part 1: MAINTENANCE

1 - 1 1. MAINTENANCE

1 - 1 1-1. Adjustment, Periodic Maintenance, Periodic Replacement Parts, and Replacement

Consumables by Service Engineer

1 - 3 1-2. Customer Maintenance

1 - 4 1-3. Product Life

1 - 4 1-4. Special Tools

1 - 5 1-5. Serial Number Location

1 - 6 2. LIST OF ERROR DISPLAY / INDICATION

1 - 6 2-1. Users Error Messege

1 - 9 2-2. Users Error Code

1 - 9 2-3. Service Call Errors

1 - 14 2-4. New Error Codes and Recovery Methods

1 - 16 2-5. Warnings

1 - 17 2-6. Troubleshooting by Symptom

1 - 22 2-7 Processing Communication Problems (MP780 only)

1 - 22 2-7-1 Initial Identification of Problems

1 - 24 2-7-2 Procedures for Processing Communication Problems

1 - 25 2-7-3 Procedures for Processing Communication Problems with Canon Facsimile.

1 - 26 2-7-4 Procedures for Processing Communication Problems with other Manufacturer's

Facsimiles.

1 - 27 3. REPAIR

1 - 27 3-1. Notes on Service Part Replacement (and Disassembling / Reassembling)

1 - 30 3-2. Special Notes on Repair Servicing

1 - 30 3-2-1 Flexible Cable and Harness Wiring, Connection

1 - 33 3-3. Adjustment / Settings

1 - 33 3-3-1 Paper Feed Motor Adjustment

1 - 33 3-3-2 Gear Phase Adjustment

1 - 35 3-3-3 Lift Cam Shaft Ass’y Adjustment

1 - 36 3-3-4 Solenoid Cam Spring Location

1 - 36 3-3-5 Carriage Shaft Clip Location

1 - 37 3-3-6 White Sheet Location

1 - 39 3-3-7 Grease Application

1 - 41 3-3-8 Waste Ink Counter Setting

1 - 41 3-4. User Data Flow

1 - 46 3-5. Service Switches

1 - 46 3-5-1 Hardware Switches

1 - 46 3-5-2 Service Data Setting

1 - 47 3-5-3 Service Data Registration / Setting Method

1 - 48 3-5-4 Service Data Flowchart

1 - 54 3-5-5 Explanation of service data

1 - 55 3-5-6 New SSSWs / parameters added to this model

1 - 60 3-5-7 SSSW Default Setting

1 - 78 3-6. Test Mode / Factory Mode

1 - 78 3-6-1 Test Mode / Factory Mode Overview

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 CD-R Calibration (230V only)

1 - 85 3-7. Upgrading the version of SPCNT Flash ROM

1 - 86 3-8. Verification Items

1 - 86 3-8-1 Users Report Service Test Print

1 - 87 3-8-2 Service EEPROM Information Print

1 - 88 3-8-3 System Data List (MP780 only)

1 - 95 3-8-4 System Dump List (MP780 only)

1 - 99 3-8-5 Service Activity Report (sending/receiving) (MP780only)

1 - 101 3-8-6 EEPROM Information Print

1 - 102 4. Cleaning Your Machine

1 - 102 4-1 Caution

1 - 102 4-2 Cleaning the Exterior

1 - 102 4-3 Cleaning the Scan Area

1 - 103 4-4 Cleaning the Interior

1 - 103 4-5 Cleaning the Feeder Cover

1 - 104 4-6 Cleaning the Rubber Sheet / Paper Feed Rollor / Separate Rollor

1 - 104 4-7 Cleaning the Paper Feed Rollor

1 - 105 4-8 Cleaning the Bottom Plate

1 - 106 5. Transportation

Part 2: TECHNICAL REFERENCE

2 - 1 1. New Technologies

2 - 3 2. Cleaning Mode and Amount of Ink Purged

2 - 5 3. Print Mode

2 - 9 4. FAQ (Problems Specific to the MP750/MP780 and Corrective Actions)

Part 3: APPENDIX

3 - 1 1. Wiring Diagram

3 - 2 2. Circuit Diagram

3 - 3 2-1 NCU Circuit Diagram1

3 - 4 2-2 NCU Circuit Diagram2

3 - 5 2-3 Relay Circuit Diagram

3 - 6 3. Specification

Part 1

Maintenance

1 - 1

1. MAINTENANCE

1-1 Adjustment, Periodic Maintenance, Periodic Replacement Parts, and

Replacement Consumables by Service Engineer

(1) Adjustment

Adjustment Timing Purpose Tool Approx

time

ALL CLEAR

(EEPROM

initialization)

AtSPCNTBOARDASS’Y

replacement To initialize settings other

than the following

-1-touch speed dialing

(MP780 only)

-Service/User soft SW

(MP780 only)

-Tx/Rx infomation

(MP780 only)

-Various counters

-TYPE Setting

None

To initialize

the settings,

select #8

CLEAR–ALL

in the service

mode

1 min

TYPE settings

(EEPROM

settings)

-AtSPCNTBOARDASS’Y

replacement

-AtexcecutingAllclear

-To set the type

-To set the destination None

Select #5

TYPE in the

service mode

Power SW

OFF/ON*1

1 min

Waste ink

counter resetting

(EEPROM

settings)

At bottom case unit

replacement

At ink absorber INK

ABSORBER

(HY7-2885/2886/2887/28

88/2889/2890/2891/2953)

To reset the waste ink

counter.

None

Select #7

PRINTER in

the service

mode, and

input “0” at #5

INK ABS

CAPA.

1min

Waste ink

counter setting

(EEPROM

initialization)

At SPCNTBOARDASS’Y

replacement Waste ink counter setting None

Print out the

EEPROM

information,

and select #7

PRINTER in

the service

mode.

Then, register

at #5 INK ABS

CAPA.

1 imn

CD-R sensor /

automatic print

head alignment

sensor correction

(EEPROM

settings)

(230V only)

At SPCNTBOARDASS’Y

replacement

At carriage unit

replacement

To correct the CD-R and

automatic print head

alignment sensor.

None.

(Correction

performed

through

FACTORY

MODE-[2]PRI

NTER-SHUK

KEN at the

same time as

printing.)

1 min

1 - 2

Adjustment Timing Purpose Tool Approx

time

Print head

alignment

- At print head

replacement

- At SPCNTBOARDASS’Y

replacement

To ensure accurate dot

placement.

None.(Main

body

buttons)

Computer

(settings via

the printer

driver)

2 min

Paper feed motor

position

adjustment*

-At paper feed motor unit

replacement

To adjust the belt tension.

(Position the paper

feed motor so that the belt

is stretched tight.)

None

For the

adjustment,

refer to [3-3

Adjustment/Se

ttings

(1) PAPER

FEED

MOTOR

Installation

Adjustment.

2 min

Grease

application

-At carriage unit

replacement

-At chassis' upper gear

replacement

-At LIFT CAM SHAFT

replacement

-To maintain sliding

properties of the carriage,

carriage shaft, and shaft

lift.

-To protect the chassis'

upper gear.

-To LIFT CAM SHAFT

replacement

-FLOIL

KG-107A

-MOLYKOTE

HP300

1 min

Note: DO NOT loosen the red screws on both sides of the main chassis, securing the carriage shaft

positioning.

*1: When SPCNT BOARD ASS’Y isreplaced, be sure to select the settings of [#8CLEAR]-[ALL]

and [#5TYPE] in Service Mode, and turn thepower OFF/ON with the Power button (Software

Power: OFF/ON). DO NOT turn the power OFF/ON by removing and inserting the power code

(Hardware Power: OFF/ON). In this case, data may not be written correctly.

*2: Red screws of paper feed motor

The red screws securing the paper feed motor may be loosened only at replacement of the paper

feed motor unit.

(2) Periodic maintenance

Adjustment Timing Purpose Tool Approx.

time

None

1 - 3

(3) Periodic replacement parts

Adjustment Timing Purpose Tool Approx.

time

None

(4) Replacement consumables

Adjustment Timing Purpose Tool Approx.

time

None

1-2 Customer Maintenance

Adjustment Timing Purpose Tool

Approx.

time

Print head

alignment At print head

replacement. To ensure accurate dot

placement. None

Main body

buttons

Computer

(automatic

settings

via the printer

driver)

3min

Print head cleaning

When print quality is

not satisfying.

To improve nozzle

conditions.

None

Main body

buttons

Computer

(settings via the

printer driver)

1 min

Print head deep

cleaning

When print quality is

not satisfying, and not

improved by print head

cleaning.

To improve nozzle

conditions.

None

Computer

(setting via the

printer driver)

2min

Ink tank

replacement

When an ink tank

becomes empty.(No ink

error) - -

2min

Paper feed roller

cleaning

When paper does not

feed properly.

To clean the paper feed

rollers.

None

Main body

buttons

2min

CD-R print position

adjustment

(230V only)

At CD-R printing, when

necessary

To correct CD-R print

position.

None

Computer

(application

software)

2min

Bottom plate

cleaning

When the back side of

the paper is smeared

To clean the platen ribs.

None

Computer

(application

software)

1min

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 pages

(b) Printing Section: 18,000 pages

Copy Print FAX

1,500 character pattern + Post card

Address printing

3,240 pages

(MP780)

3,420 pages

(MP750)

3,780 pages

(MP780)

3,960 pages

(MP750)

1,500 character pattern - - 360 pages

(MP780)

A4, 7.5% duty per color pattern 2,520 pages 2,880 pages -

A4, photo, borderless printing 180 pages 360 pages -

L, photo, borderless printing 1,080 pages 1,980 pages -

Color

Postcard, photo, borderless printing 360 pages 1,260 pages -

5 years of use

(2) Ink tank

BCI-3eBK: 900 pages (JEIDA STD patternJ1, plain paper standerd mode)

740 pages (Black 1,500 character pattern, plain paper / standard mode)

1,300 pages (ISO JIS-SCID No. 5 / plain paper / standard mode)

BCI-6C: 550 pages (ISO JIS-SCID No. 5 / plain paper / standard mode)

BCI-6M: 430 pages (ISO JIS-SCID No. 5 / plain paper / standard mode)

BCI-6Y: 360 pages (ISO JIS-SCID No. 5 / plain paper / standard mode)

BCI-6BK: 2,000 pages (ISO JIS-SCID No. 5 / plain paper / standard mode)

1-4 Special Tools

Name Tool No. Application Remarks

MOLYKOTE

HP300

CK-8012-000 To be applied to the chassis' upper gear,

and to the sliding portion of the shaft lift.

New

FLOIL KG-107A QY9-0057-000 To be applied to the sliding portion of the

carriage and the bearing portion of the

carriage shaft.

In common wit

other models.

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