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Make/Model Information:

  • Brand:   Canon
  • Models included:
    • Canon i550
    • Canon i850
    • Canon i950

File Information:

  • Type:   Factory Service Manual (FSM)
  • Language:   English
  • Number of pages:   62
  • File size:  ∼ 2.84  MB
  • File Format:   PDF only
  • SME Watermarks:   None
  • Password lock:   No
  • Edit/copy/modify:   Yes
  • SKU:   BMCN-1011

NOTE:  This list was created by program script and may not accurately represent the text from the source pages.   For full preview please click on 'Download sample':

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i550 / i850 / i950
Service Manual
Revision 0
QY8-1385-000
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.
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.
Product and brand names appearing in this manual are registered trademarks or trademarks of the respective
holders.
All rights reserved. No part 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.
CANON INC.
i Printer Technical Support Dept. 11, 21
16-1, Shimonoge 3-chome, Takatsu-ku, Kawasaki, Kanagawa 213-8512, Japan
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.
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
REVISION 0
QY8-31BH-000 AUG. 2002
i550 i850 i950
7819A001AA 7820A001AA 7822A001AA 120V(US)
7819A002AA 7820A002AA 7822A002AA 120V(CA)
7819A003AA 7820A003AA 7822A003AA 120V(LAM LVT)
7819A004AA 7820A004AA 7822A004AA 220V-240V(LAM HVT)
7819A005AA 7820A005AA 7822A005AA 220V-240V(EUR)
7819A006AA 7820A006AA 7822A006AA 220V-240V(DE)
7819A007AA 7820A007AA 7822A007AA 220V-240V(FR)
7819A008AA 7820A008AA 7822A008AA 220V-240V(ASA HVT)
7819A009AA 7820A009AA 7822A009AA 220V-240V(AU)
7819A010AA 7820A010AA 7822A010AA 220V-240V(KR)
7819A011AA 7820A011AA 7822A011AA 220V-240V(GB)
7819A013AA 7820A013AA 7822A013AA 120V(TW)
7819A014AA 7820A014AA 7822A014AA 220V-240V(HK)
7819A015AA 7820A015AA 7822A015AA 220V-240V(CHN)
0802 GR 0.00-0
Application
This manual has been issued by Canon Inc. for qualified
person to learn technical theory, installation, maintenance,
and repair of products. This manual covers all localities
where the products are sold. For this reason, there may be
information in this manual that does not apply to your
locality.
Corrections
This manual could include technical inaccuracies or typo-
graphical errors due to improvements or changes in the
products. When changes occur in applicable products or in
the content of this manual, Canon will release technical
information as the need arises. In the event of major
changes in the contents of this manual over a long or short
period. Canon will issue a new editions of this manual.
The following paragraph does not apply to any countries
where such provisions are inconsistent with local low.
Trademarks
The product names and company names described in this
manual are the registered trademarks of the individual com-
panies.
duced or translated into another language, in whole or in
part, without the written consent of Canon Inc.
CANON INC.
i Printer Technical Support Dept.11,21
16-1, Shimonoge 3-chome, Takatsu-ku, Kawasaki-shi,
Kanagawa 213-8512, Japan
DTP System
This manual was produced on an Apple® Power Macintosh®
G3 personal computer and Canon LBP-2030PS laser beam
printer, final pages were printed on Valityper® 4300J.
Parts layout pictures were taken using Canon Digital Camera
EOS D30, and edited with Adobe® Photoshop® 5.0.
KEY No. and Logotypes were created using MACROME-
DIA® FreeHand® 8J.
Documents and page layouts were created using
QuarkXpress® 3.3J.
Parts lists were created using Helix Tecnologies® Herix
Xpress® and converted to EPS files.
I. CONTENTS
A. PARTS LAYOUT & PARTS LIST
B. SCREWS & WASHERS LIST
C. NUMERICAL INDEX
II. ABOUT THIS MANUAL
A. PARTS LAYOUT & PARTS LIST
Parts layout illustration
a) Parts search
Find a part from the parts layout
illustration and find its key number
from the parts list to identify the part
number and name. For screws, nuts,
washers, lock washers, pins, spacers,
see SCREWS & WASHERS LIST.
Note: If parts have the same or similar
shape but different specifications,
their key number is assigned to
several part numbers and names
in the parts list.
b) Parts replacement procedure
To replace parts, the parts layout illus-
trations have figure numbers according
to the disassembly procedure of the
product. The parts that require careful
work are shown the illustration.
Parts list
a) FIGURE & KEY No.
The FIGURE & KEY No. column
corresponds to the key numbers
assigned to the parts in the parts
layout illustration.
It also corresponds to the part locations
printed on the PC board.
b) PART NUMBER
The PART NUMBER column gives the
part numbers corresponding to the key
numbers. To order a part, indicate the
part number clearly.
Note: Parts marked NPN are not service
parts.
c) RANK
The service parts with N in the RANK
column are order parts.
d) QTY
The QTY column gives the number of
parts in the corresponding components
layout illustration.
e) DESCRIPTION
The DESCRIPTION column gives the
part names in English.
To order a part, indicate the part name,
Options & Consumables
These are illustrations and a list of
units that can be used as optional
consumable equipments.
Tool List
This is a list of tools used for servicing
products.
B. SCREWS & WASHERS LIST
This is a list of screws, nuts, washers,
lock washers, pins, and spacers.
The QTY column does not give the num-
ber of parts used.
C. NUMERICAL INDEX
All the parts listed in this parts catalog
are arranged in order of part number.
You can identify part locations and
names from the NUMERICAL INDEX.


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