Canon i550 Instruction Manual

REVISION 0
QY8-31BH-000
AUG. 2002
COPYRIGHT © 2002 CANON INC. CANON i550 / i850 / i950 0802 GR 0.00-0
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.
Copyright
This manual is copyrighted with all rights reserved. Under
the copyright laws, this manual may not be copied, repro-
duced or translated into another language, in whole or in
part, without the written consent of Canon Inc.
Copyright © 2002 by 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
I. CONTENTS
A. PARTS LAYOUT & PARTS LIST
B. SCREWS & WASHERS LIST
C. NUMERICAL INDEX

II
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,
too.
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.

A. PARTS LAYOUT & PARTS LIST
A-1
2
3
4
5
1
(i950)
6
S1
S1
S2 S2
1
4
3
2
1
3
2
1
COVER
FIGURE 2
AC ADAPTER
FIGURE 3
FIGURE 1
FIGURE 4 WASTE INK ABSORBER
PRINTER & PRINT HEAD

A-2
FIGURE
&
KEY NO.
PART NUMBER
R
A
N
K
Q
T
Y
DESCRIPTION REMARKS
1 - 1 QY6-0042-000 1 PRINT HEAD FOR i850
QY6-0043-000 1 PRINT HEAD FOR i950
QY6-0045-000 1 PRINT HEAD FOR i550
2 - QA4-1143-000 1 COVER, SIDE(R)
2 QA4-1142-000 1 COVER, SIDE(L)
3 QG4-0268-000 1 UPPER COVER UNIT FOR i550
QG4-0284-000 1 UPPER COVER UNIT FOR i850
QG4-0320-000 1 UPPER COVER UNIT FOR i950
3 - 1 QH3-3583-000 1 AC ADAPTER: 100V-120V 50/60HZ FOR i950
QH3-3584-000 1 AC ADAPTER: 220V-240V 50/60HZ FOR i950
QH3-3590-000 1 AC ADAPTER: 100V-120V 50/60HZ FOR i550
QH3-3591-000 1 AC ADAPTER: 220V-240V 50/60HZ FOR i550
QH3-3600-000 1 AC ADAPTER: 100V-120V 50/60HZ FOR i850
QH3-3603-000 1 AC ADAPTER: 220V-240V 50/60HZ FOR i850
2 QA4-1130-000 1 COVER, I/F FOR i550, i850
QA4-1314-000 1 COVER, I/F FOR i950
3 QG4-0266-000 1 BOTTOM CASE UNIT FOR i550
QG4-0299-000 1 BOTTOM CASE UNIT FOR i850
QG4-0316-000 1 BOTTOM CASE UNIT FOR i950
4 WT3-5131-000 1 CORD, POWER 100V-120V
WT3-5132-000 1 CORD, POWER 220V-240V
WT3-5133-000 1 CORD, POWER 220V-240V(AUST)
WT3-5135-000 1 CORD, POWER 250V(CHN)
WT3-5137-000 1 CORD, POWER 220V-240V(UK,HK)
WT3-5158-000 1 CORD, POWER 120V(LAM-LV)
WT3-5159-000 1 CORD, POWER 250V(KR)
4 - 1 QA4-1205-000 2 ABSORBER, INK FOR i950
2 QA4-1012-000 1 ABSORBER, INK
3 QA4-1055-000 1 ABSORBER, INK
4 QA4-1015-000 1 ABSORBER, INK
5 QA4-1013-000 1 ABSORBER, INK
6 QA4-1014-000 1
1
ABSORBER, INK

1
S4 S4
2
1
S2
S2
S2
S2
(i950)
S3
(i550, i850)
5
4
1
2
3
6
7
8
(i950) 8
(i950)
1
24
3
S2
S2
A-3
CARRIAGE UNIT
PURGE UNITLOGIC BOARD & ASF UNIT
PRESSURE ROLLER ASS'Y
FIGURE 7 FIGURE 8
FIGURE 6FIGURE 5

A-4
FIGURE
&
KEY NO.
PART NUMBER
R
A
N
K
Q
T
Y
DESCRIPTION REMARKS
5 - 1 QG4-0264-000 1 SHEET FEEDER UNIT FOR i550, i950
QG4-0274-000 1 SHEET FEEDER UNIT FOR i850
2 QG2-3442-000 1 LOGIC BOARD ASS'Y FOR i950
QG2-3452-000 1 LOGIC BOARD ASS'Y FOR i550
QG2-3468-000 1 LOGIC BOARD ASS'Y FOR i850
6 - 1 QG4-0279-000 1 PURGE UNIT FOR i550, i850
QG4-0303-000 1 PURGE UNIT FOR i950
7 - QG4-0262-000 1 CARRIAGE UNIT FOR i550
QG4-0285-000 1 CARRIAGE UNIT FOR i850
QG4-0314-000 1 CARRIAGE UNIT FOR i950
2 QA4-1053-000 1 FILM, TIMING SLIT STRIP FOR i550, i850
QA4-1201-000 1 FILM, TIMING SLIT STRIP FOR i950
3 QA4-1002-000 1 CLIP, SHAFT
4 QA4-1001-000 1 CLIP, SHAFT
5 QA4-0990-000 1 SPRING, LEAF
6 QF4-0153-000 1 IDLER ROLLER ASS'Y
7 QS4-2112-000 1 SPRING, COIL
8 QA4-0721-000 2 PAD, GREASE FOR i950
8 - 1 QH4-4466-000 1 MOTOR, CARRIAGE
2 QA4-1168-000 4 SPRING, TORSION
3 QG4-0276-000 1 PRESSURE ROLLER ASS'Y
4 QG4-0277-000 1
1
TIMING SENSOR UNIT

A-5
PAPER FEED UNIT
TOOl
OPTION& CONSUMABLES
T2
T1
T3
(i950)
F
L
O
I
L
GREASE,
EU-1
QY9-0037-000
100ml
1
2
3
4
5
(i950)
6
(i950)
3
2
1
4
S5
FIGURE 11
FIGURE 9 FIGURE 10