Canon I550 User manual

i550 / i850 / i950

Service Manual

Revision 0

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QY8-1385-000

service-repairmanual.com

6FRSH

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, maintenance, and repair of products.

This manual covers information applicable in all localities where this product is sold. For this reason, this

manual may contain information that is not applicable to your locality.

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This manual could include technical inaccuracies or typographical errors due to improvements or changes

made to this product. When changes are made to the contents of this manual, Canon will release technical

information as the need arises. When substantial changes are made to the contents of this manual over a long

or short period, Canon will issue a revised edition of this manual.

The following do not apply if they do not conform to the laws or regulations of the country where this manual or

product is used.

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

holders.

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

CANON INC.

i Printer Technical Support Dept. 11, 21

16-1, Shimonoge 3-chome, Takatsu-ku, Kawasaki, Kanagawa 213-8512, Japan

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I. Manual Outline

This manual is divided into the following three parts to provide information necessary to service the i550, i850,

and i950.

Part 1: Maintenance

This part describes information necessary for troubleshooting the i550, i850, and i950.

Part 2: Technical Reference

This part provides description of new technologies, etc., used in the i550, i850, and i950.

Part 3: Appendix

This part contains block diagrams, pin layouts, and product specification lists.

Reference

This manual does not provide sufficient information for disassembly and assembly.

Refer to the figures in the separate parts catalogue.

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II. Table of Contents

Page Part 1: Maintenance

1 - 1 1. Periodic Replacement/Periodic Inspection/Life

1 - 2 2. Troubleshooting List by Error/Symptom

1 - 5 3. Repair Details

1 - 5 3.1 Precautions

1 - 5 3.1.1 Precautions regarding ink stains

1 - 5 3.1.2 Precautions when releasing the carriage lock

1 - 5 3.1.3 Precautions when removing/installing tap screws

1 - 5 3.1.4 Code strip handling precautions

1 - 6 3.1.5 Do not loosen or remove red screws

1 - 6 3.1.6 Logic board removal precautions

1 - 7 3.2 Adjustments

1 - 7 3.2.1 Waste ink counter setting

1 - 7 3.2.2 Resetting EEPROM

1 - 8 3.2.3 Applying grease (oil)

1 - 9 3.3 Settings

1 - 9 3.3.1 Standalone printer operation

1 - 9 3.3.2 Service mode functions

1 - 11 3.3.3 Test print sample

1 - 14 3.3.4 Printing EEPROM information

1 - 15 3.4 Verification

1 - 15 4. Printer Transportation Method

Page Part 2: Technical Reference

2 - 1 1. New Technologies

2 - 2 2. Cleaning Mode and Suction Amount

2 - 3 3. Print Mode List

2 - 6 4. FAQ

Page Part 3: Appendix

3 - 1 1. Block Diagram

3 - 3 2. Connector Locations and Pin Layout

3 - 3 2.1 i550 Connector Locations and Pin Layout

3 - 8 2.2 i850 Connector Locations and Pin Layout

3 - 12 2.3 i950 Connector Locations and Pin Layout

3 - 16 2.4 Product Specification List

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