CANON MP750 Service Manual

Cover page of CANON MP750 Service Manual

Service Manual for CANON MP750, downloadable as a PDF file.

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PIXMA MP 780
PIXMA MP 750
SERVICE
MANUAL
Canon
Copyright 2004, Canon U.S.A. This technical publication is the proprietary and confidential information of Canon U.S.A. which
shall be retained for reference purposes by Authorized Service Facilities of Canon U.S.A. Its unauthorized use is prohibited.
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PIXMA MP 780
PIXMA MP 750
SERVICE
MANUAL
Canon
Copyright 2004, Canon U.S.A. This technical publication is the proprietary and confidential information of Canon U.S.A. which
shall be retained for reference purposes by Authorized Service Facilities of Canon U.S.A. Its unauthorized use is prohibited.
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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
COPYRIGHT2004 CANON INC. CANON PIXMA MP750/780 NOV. 2004
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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.
Copyright
All rights reserved. No parts of this manual may be reproduced in any form or by any means or translated into
another language without the written permission of Canon Inc., except in the case of internal business use.
Copyright © 2004 by Canon Inc.
CANON INC.
Inkjet MFP Quality Assurance Div.
5-1 Hakusan 7-Chome, Toride-city, Ibaraki 302-8501, Japan
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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.
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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

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