Canon i470D Series User manual

i470D
i475D
SERVICE
MANUAL
Canon

PIXUS 470PD
i470D
SERVICE MANUAL
Revision 0
QY8-1387-000
COPYRIGHT 2003CANON INC. CANONPIXUS 470PD / i470D 032003CA0.00-0

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, 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 2003by Canon Inc.
CANON INC.
iPrinter Products Quality Assurance Div.
16-1, Shimonoge 3-chome, Takatsu-ku, Kawasaki, Kanagawa 213-8512,Japan

I. MANUAL OUTLINE
This manual consists of the following three parts to provide information necessary to service the i470D:
Part 1: Maintenance
Information on maintenance and repair of the i470D
Part 2: Technical Reference
New technology and technical information such as FAQ’s (Frequently Asked Questions) of the i470D
Part 3: Appendix
Block diagrams and pin layouts of the i470D
Reference:
This manual does not provide sufficient information of disassembly and reassembly procedures. Refer to the
graphics in the separate Parts Catalog.

II. TABLE OF CONTENTS
Page Part 1: MAINTENANCE
1-11.MAINTENANCE
1-11.1 Adjustment, Periodic Maintenance, Periodic Replacement Parts, and Replacement
Consumables by Service Engineer
1-21.2 Customer Maintenance
1-21.3 Product Life
1-21.4 Special Tools
1-21.5 Serial Number Location
1-32. LIST OF ERROR DISPLAY / INDICATION
1-32.1 Operator Call Errors (by LED Blinking in Orange)
1-42.2 Service Call Errors (by LED Blinking in Orange and Green Alternately, or Lit in
Orange)
1-42.3 Warnings
1-52.4 Troubleshooting by Symptom
1-63. REPAIR
1-63.1 Notes on Service Part Replacement (and Disassembling/Reassembling)
1-73.2 Special Notes on Repair Servicing
1-93.3 Adjustment / Settings
1-12 3.4 Verification Items
1-14 4. PRINTER TRANSPORTATION METHOD
Part 2: TECHNICAL REFERENCE
2-11. NEW TECHNOLOGIES
2-22. CLEANING MODE AND AMOUNT OF INK PURGED
2-33. RESOLUTION BY PRINT MODE
2-33.1 Resolution by Print Mode during Printing via Computer
2-43.2 Resolution in Borderless Printing
2-43.3 Resolution in Duplex Printing
2-43.4 Resolution in Direct Printing
2-54. FAQ (Specific Problems and Solutions)
Part 3: APPENDIX
3-11. BLOCK DIAGRAM
3-22. CONNECTOR LOCATION AND PIN LAYOUT
3-22.1 Logic Board Ass’y
3-72.2 Carriage Board
3-82.3 Print Head
3-92.4 i470D / PIXUS 470PD Specifications

Part 1
MAINTENANCE

1 -1
1. MAINTENANCE
1.1 Adjustment, Periodic Maintenance, Periodic Replacement Parts, and
ReplacementConsumables by Service Engineer
(1) Adjustment
Adjustment Timing Purpose Tool Approx.
time
EEPROM
initialization At logic board ass’y replacement To initialize settings other than the following:
-USB serial number
-Destination setting
-On-arrival cleaning flag
-Waste ink counter
None 1 min.
Destination settings At logic board ass’y
replacement To set the destination. None 1 min.
Waste ink counter
resetting At ink absorber replacement To reset the waste ink counter. None-1 min.
Print head alignment At print head or logic
board ass’y replacement To ensure accurate dot placement. Computer (settings via
the printer
driver)
2 min.
(2) Periodic maintenance
No periodic maintenance is necessary.
(3) Periodic replacement parts
There are no parts in this printer that require periodic replacement by a service engineer.
(4) Replacement consumables
There are no consumables that require replacement by a service engineer.

1 -2
1.2 Customer Maintenance
Adjustment Timing Purpose Tool Approx.
time
Print head alignment At print head
replacement. To ensure accurate dot placement. Printer, or computer
(settings via the
printer driver)
5 min.
Print head cleaning When print quality is
not satisfying. To improve nozzle conditions. Printer, or computer
(settings via the
printer driver)
30 sec. to
1 min.
Print head deep cleaning
When print quality is
not satisfying, and not
improved by print head
cleaning.
To improve nozzle
conditions. Printer, or computer
(settings via the
printer driver)
1.5 to 2.5
min.
Ink tank replacement When an ink tank
becomes empty. ----- ----- 2 min.
Paper feed roller
cleaning When paper does not feed properly. To clean the paper feed rollers. None. 2 min.
1.3 Product Life
(1) Printer
The value (i) or (ii), whichever comes first.
(i) 4,000 pages of printing
-Black: 1,200 pages (A4, 1,500 character pattern)
-Color: 2,800 pages (A4, 7.5% duty per color pattern:1,300 pages
A4, 30% duty per color pattern: 500 pages
100 x 148 mm, 30% duty per color pattern: 700 pages
89 x 127 mm size, 30% duty per color pattern: 300 pages)
(ii) 5 years of use
(2) Print head
4,000 pages of printing (in the above print mode)
(3) Ink tank
BCI-24Black: 300 pages (1,500 character pattern in black printing, plain paper, standard mode)
580 pages (ISO JIS-SCID No. 5 pattern, plain paper, standard mode)
BCI-24Color: 160 pages (ISO JIS-SCID No. 5 pattern, plain paper, standard mode)
1.4 Special Tools
Name Tool No. Purpose Remarks
FLOIL KG107A QY9-0057-000
To improve the sliding property of the
carriage shaft (QC1-2196)
MOLYKOTE 7508 CK-0562-000 To improve the sliding property of the
LF gear
ELECTRICITY IF-20
CK-8006-000 To improve the sliding property between the grounding spring (QA4-1372) and
the feed roller (QF4-0212)
1.5 Serial Number Location
On the right side with the access cover opened (on the carriage cable holder)

1 -3
2. LIST OF ERROR DISPLAY / INDICATION
Errors and warnings are indicated by the following methods:
(1) Errors are displayed by the number of times the LED blinks.
(2) Errors are displayed by the number displayed on the operation panel.
(3) Warnings are displayed via the printer driver status monitor.
2.1 Errors by LED Blinking in Orange
User recoverable errors
LED
blinking in
orange Panel display
Error Code
Error Solution
2 times 301 1000 No paper. Set the paper, and press the
Resume/Cancel button.
3 times 302 1300 Paper jam. Remove the jammed paper, and
press the Resume/Cancel button. If
the error is not resolved,check that
no foreign material is inside the
printer.
6 times 402 1401 The print head is not
installed. Install the print head, and close the access cover.
7 times 403 1405 The print head is not
installed properly.
(EEPROM data of the
print head is faulty.)
Re-install the print head, or with
the print head installed, turn the
printer off and on. If the error is not
resolved, replace the print head.
8 times 202 1700 Warning: The waste ink
absorber becomes almost
full (to approx. 95% to
100% of the maximum
capacity).
Pressing the Resume/Cancel button
will exit the error.
(The waste ink absorber full error
occurs at 100% capacity, making it
impossible to perform printing.
611 2001 Digital camera
transmission time-out
error (When the printer
cannot communicate with
a digital camera, the
time-out error occurs.)
Disconnect the USB cable to the
digital camera, and press the
Resume/Cancel button.
11 times
612 2001 Digital camera
non-supporting device
error (When a digital
camera or device other
than a digital camera, not
supporting Direct
Printing is connected to
the printer with the USB
cable, the error occurs.)
Disconnect the USB cable, and
press the Resume/Cancel button.
*1:The error code is stored in the operator / service call history of the EEPROM information.

1 -4
2.2 Errors by LED Blinking in Orange and Green Alternately, or Lit in Orange
User unrecoverable errors
LED
alternate
blinking in
orange and
green
Panel display
Error Code
Error Solution
2 times 802 5100 Carriage error 1. Check that no foreign material
is inside the printer.
2. Replace the timing slit strip
film.
3. Replace the purge unit.
4. Replace the logic board ass’y.
4 times 804 5C00 Purge unit error 1. Check that no foreign material
is inside the printer.
2. Replace the purge unit.
3. Replace the logic board ass’y.
6 times 806 5400 Internal temperature error 1. Turn the printer off, and after a
short period of time, turn the
printer on again.
2. Replace the logic board ass’y.
7 times 807 5B00 Waste ink absorber full error
1. Replace the ink absorber.
2. Replace the logic board ass’y.
8 times 808 5200 Print head temperature rise
error 1. Turn the printer off, and after a short period of time, turn the
printer on again.
2. Replace the print head.
3. Replace the logic board ass’y.
9 times 809 6800 EEPROM error Replace the logic board ass’y.
Lights in
orange No display 6800 RAM error Replace the logic board ass’y.
*1:The error code is stored in the operator / service call history of the EEPROM information.
2.3 Warnings
Printer (no LED indications)
Displayed warning Remarks
Low blackink warning 1 (About half of the full amount remains.)
Low color ink warning 1 (About half of the full amount remains.)
Low black ink warning 2 (Little ink remains. “!”)
Low color inkwarning 2 (Little ink remains. “!”)
Low black ink warning 3 (An unknown amount remains. “?”)
Low color ink warning 3 (An unknown amount remains. “?”)
The status is displayed on the BJ printer
driver status monitor.*1
Print head temperature rise warning If the print head temperature is high
when the access cover isopened, the
warning is displayed.*2When the print
head temperature falls, the warning is
released.
Protection at excess rise of the print head temperature If the print head temperature exceeds the
specified limit, a Wait is inserted during
printing. When the print head
temperature falls, printing will resume
automatically.
*1:Only when the remaining ink amount detection function is enabled. (When disabled, there is no status
display.)
*2:At the warning, the carriage does not move to the ink tank replacement position when the access cover is
opened.