Canon 8800F - CanoScan - Flatbed Scanner User manual

R2·Confidential

CanoScan 8800F

SERVICE MANUAL

Revision 0

QY8-13BQ-000

CANOSCAN 8800F JP 2168B001AA

CANOSCAN 8800F US 2168B002AA

CANOSCAN 8800F CA 2168B003AA

CANOSCAN 8800F GB 2168B008AA

CANOSCAN 8800F EUM/EMB 2168B009AA

CANOSCAN 8800F AU 2168B011AA

CANOSCAN 8800F ASA 2168B012AA

CANOSCAN 8800F H

2168B013AA

CANOSCAN 8800F CN 2168B014AA

CANOSCAN 8800F K

2168B016AA

Application

This manual has been issued by Canon Inc. to provide information necessary to self-study techniques, setting-

up, maintenance and repair to technicians who service the target products. This manual covers all locations

where the target products are sold. For this reason, there may be information in this manual that does not apply

to your locality.

Revision

This manual might include technically incorrect descriptions or misprints because the target products may be

improved or changed. For this reason, service information is being published in case of any changes in this

manual. If this manual is having a significant change, in long or in short term, a revised edition will be carried

out.

The following paragraph does not apply to any countries where such provisions are inconsistent with local law.

Trademarks

The product names and company names described in this manual are the registrered trademarks or tradmards of

the individual companies.

The copyright of this manual belongs to Canon Inc. Under the copyright law, this manual may not be copied,

reproduced or translated into another language, in whole or in part, without the written consent of Canon Inc.,

always excepting the cases where copying a part of this manual is needed by business necessity.

Canon Inc.

Ink Jet Scanner&FAX Quality Assurance Division

3-451 Tsuka

oshi, Saiwai-ku, Kawasaki-shi, Kana

awa 212-8530, Ja

This manual is provided into 4 sections providing each necessary information to service the target product.

Part 1: Maintenance

Maintenance and repair related information of the target product Part 3:

Part 2: Technical Reference

Technical matters such as new techniques and FAQ of the target product

Part 3: Parts Catalog

Parts catalog of the target product

Part 4: Appendix

Block diagram and specifications of the target product

CanoScan 8800F Service Manual

Outline

CONTENTS

Part 1: Maintenance

1. Maintenance

1-1 Service Engineer adjustment/Periodic Replacement/Periodic Inspection/Replacement of Consumable

1-2 Customer Maintenance

1-3 Product Life

1-4 Special Tools

1-5 Serial Number Indicating Location

2. Troubleshooting

2-1 Troubleshooting by Symptom

3. Servicing

3-1 Advisory for Replacement of Service Part

3-2 Instruction for Servicing

4. Transport

Part 2: Technical Reference

1. New Features

Part 3: Parts Catalog

Part 4: Appendix

1. Block Diagram

2. Specifications

CanoScan 8800F Service Manual

I. CONTENTS

R2·Confidential

art 1

Maintenance

1-1 Service Engineer adjustment/Periodic Replacement/Periodic

Inspection/Replacement of Consumable

1-1-1 Adjustment

1-1-2 Periodic Inspection

1-1-3 Periodic Replacement

1-1-4 Replacement of Consumable

CanoScan 8800F Maintenance

1. Maintenance

ITEM PERIOD PURPOSE TOOL TIME

N/A

ITEM PERIOD PURPOSE TOOL TIME

N/A

ITEM PERIOD PURPOSE TOOL TIME

N/A

ITEM PERIOD PURPOSE TOOL TIME

N/A

1-2 Customer Maintenance

1-3 Product Life

1-3-1 Main Body

The following 1 or 2, which comes earlier

1. Scan Count: 15,000 scans

2. Age of Service: 3 years

1-4 Special Tools

1-5 Serial Number Indicating Location

Back side of the main body

ITEM PERIOD PURPOSE TOOL TIME

N/A

NAME TOOL NUMBER PURPOSE REMARKS

N/A

<1. Maintenance>

2-1 Troubleshooting by Symptom

CanoScan 8800F Maintenance

2. Troubleshootin

SYMPTOM

CTION REMARKS

MalfunctionUnit does not turn the power on

Spontaneously shuts down right after turned on Replace AC adapter

or replace MAIN PCB ASS'Y

Carriage does not operate Replace MOTOR ASS'Y

or replace MAIN PCB ASS'Y

coustic noise Eliminate the foreign substance

or replace MOTOR ASS'Y

or replace MAIN PCB ASS'Y

or replace CARRIAGE ASS'Y

Scanning lamp does not light up Replace CARRIAGE ASS'Y

or replace MAIN PCB ASS'Y

Faulty

scanned

image

Blurred image Clean PLATEN GLASS ASS'Y

or replace CARRIAGE ASS'Y

or replace MAIN PCB ASS'Y

Solid vertical line Clean PLATEN GLASS ASS'Y

or replace CARRIAGE ASS'Y

Solid horizontal line Check the connection with PC

or replace USB cable

or replace MAIN PCB ASS'Y

Faulty color reproduction Replace MAIN PCB ASS'Y

<2. Troubleshooting>

3-1 Advisory for Replacement of Service Part (also for disassembly and

assembly)

CanoScan 8800F Maintenance

3. Servicin

REPLACING SERVICE

PART NOTE FOR REPLACEMENT*1 ADJUSTMENT /SETTING

UP VERIFYING

OPERATION

MAIN PCB ASS'Y Disconnect the power cord,leave the unit

about 1 minute (to discharge the stored

charge of the capacitor) and dismount

the part (to prevent MAIN PCB ASS'Y

broken)

Enforce scan operation

CARRIAGE ASS'Y Be careful not to touch mirrors or CCD

PCBs.

Be careful not to put dirt or fingerprint on

the light guide.

Enforce scan operation

PLATEN GLASS ASS'Y

(FE2-0201-000) Be careful not to put dirt or fingerprint on

the document glass. Enforce visual inspection

1:Note for entire work

Have a careful look on the wiring arrangement of flexible cable and harness, and connection of connectors. [Refer to 3-2

Instruction for Servicing (1) Wiring arrangement of flexible cable and harness, and connection of connectors]

Be careful not to drop down ferrite core to be broken.

Be careful not to let electrostatic break electric parts down.

Disconnect the power cord, leave the unit about 1 minute (to discharge the stored charge of the capacitor) and dismount the

part (to prevent MAIN PCB ASS'Y broken).

Do not stain inappropriate part with TIMING grease. Do not scratch or damage parts and the unit.

Be careful not to damage or stain external cover.

3-2 Instruction for Servicing

3-2-1 Detaching the front cover

1) Lift the bottom side of the front cover as shown in the picture and detach the cover pulling the upper side

outwards.

)

Detach the front face and front cover liftin

the bottom side of the front face.

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