Fujitsu OPTICAL DISK DRIVES MDG3064UB User Manual

C156-F046-01EN  
MDG3064UB, MDG3130UB  
OPTICAL DISK DRIVES  
MAINTENANCE MANUAL  
Revision History  
(1/1)  
Revised section (*1)  
(Added/Deleted/Altered)  
Edition  
01  
Date  
Details  
2001.10.5  
*1  
Section(s) with asterisk (*) refer to the previous edition when those were deleted.  
C156-F046-01EN  
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Preface  
This document describes procedures for maintenance of the MDG3064UB/MDG3130UB  
(DynaMO 640U2/1300U2), a 3.5-inch magneto-optical disk drive. The  
MDG3064UB/MDG3130UB (referred to as "the product" hereafter) is provided with the  
MCM3064UB/MCM3130UB 3.5-inch magneto-optical disk drive unit (referred to as "MO  
drive" hereafter). The components are built in a case designed specifically for the product.  
Refer to related manuals for operations other than maintenance and for explanation about  
an MO drive.  
The organization of this manual, related reference manual and conventions for alert  
messages follow.  
Overview of Manual  
This manual consists of the following six chapters, glossary, and abbreviation:  
Chapter 1 Overview  
This chapter introduces the MDG3064UB/MDG3130UB MO disk drive. The chapter  
describes the system features and outline of maintenance.  
Chapter 2 Diagnosis and Maintenance  
This chapter describes maintenance conditions, diagnosis methods, failure analysis  
procedures, and system updating procedures of the MDG3064UB/MDG3130UB MO disk  
drive.  
Chapter 3 Troubleshooting  
This chapter describes troubleshooting of a system connected to a Macintosh G3 and  
Windows computer.  
Chapter 4 Returning Repaired Unit  
This section describes procedures for unpacking, packing, transporting, and storing the  
MDG3064UB/MDG3130UB MO disk drive.  
Chapter 5 Cleaning  
C156-F046-01EN  
i
Preface  
CONVENTIONS USED INTHIS MANUAL  
Conventions for Alert Messages  
This manual uses the following conventions to show the alert messages. An alert message  
consists of an alert signal and alert statements. The alert signal consists of an alert symbol  
and a signal word or just a signal word.  
The following are the alert signals and their meanings:  
This indicates a hazardous situation likely to result in  
serious personal injury if the user does not perform the  
procedure correctly.  
This indicates a hazardous situation could result in serious  
personal injury if the user does not perform the procedure  
correctly.  
This indicates a hazardous situation could result in minor  
or moderate personal injury if the user does not perform  
the procedure correctly. This alert signal also indicates  
that damages to the product or other property, may occur if  
the user does not perform the product correctly.  
This indicates information that could help the user use the  
product more efficiently.  
In the text, the alert signal is centered, followed below by the indented message. A wider  
line space precedes and follows the alert message to show where the alert message begins  
and ends. The following is an example:  
ii  
C156-F046-01EN  
Preface  
(Example)  
IMPORTANT  
Fujitsu issues a Change Request/Notification regarding post-factory-shipment revision  
number changes. When the user changes the version number, the revision-number label  
should be updated as described above after the change is applied.The main alert messages  
in the text are also listed in the “Important Alert Items.”  
Attention  
Please forward any comments you may have regarding this manual.  
To make this manual easier for users to understand, opinions from readers are needed.  
Please write your opinions or requests on the Comment at the back of this manual and  
forward it to the address described in the sheet.  
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Important Alert Items  
Important Alert Messages  
The important alert messages in this manual are as follows:  
A hazardous situation could result in minor or moderate personal injury if the  
user does not perform the procedure correctly. Also, damage to the product  
or other property, may occur if the user does not perform the procedure  
correctly.  
Task  
Alert message  
Page  
Normal Operation  
Normal Operation  
When cleaning the drive, do not use a toxic cleaning agent.  
In case of contact, immediately flush eyes with water.  
5-1  
5-7  
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v
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MANUAL ORGANIZATION  
MDG3064UB, MDG3130UB  
OPTICAL DISK DRIVES  
MAINTENANCE MANUAL  
(C156-F046)  
1. OVERVIEW  
2. DIAGNOSIS AND MAINTENANCE  
3. TROUBLESHOOTING  
4. RETURNING REPAIRED UNIT  
5. CLEANING  
<This manual>  
MCE3130UB, MCF3064UB  
OPTICAL DISK DRIVES  
PRODUCT MANUAL  
1. GENERAL DESCRIPTION  
2. SPECIFICATIONS  
3. INSTALLATION REQUIREMENTS  
4. HOST INTERFACE  
5. OPERATION AND CLEANING  
6. DIAGNOSTICS AND MAINTENANCE  
(C156-E222)  
C156-F046-01EN  
vii  
REFERENCED STANDARDS  
The product specifications and functions described in this manual conform to the following  
standards:  
Specification  
Name  
Concerned organization  
(document) number  
Universal Serial Bus Specification, Revision 1.1  
USB implementers Forum  
Universal Serial Bus Mass Storage Class Bulk-Only  
Transport, Revision 1.0  
USB implementers Forum  
Universal Serial Bus Mass Storage Class  
Specification Overview, Revision 1.0  
USB implementers Forum  
ISO/IEC (*1)  
90mm Optical Disk Cartridges, rewritable and read  
only, for data interchange.  
ISO/IEC 10090  
ISO/IEC 13963  
ISO/IEC 15041  
Data Interchange on 90mm Optical Disk cartridges  
Capacity: 230 megabytes per cartridge.  
ISO/IEC (*1)  
Data Interchange on 90mm Optical Disk Cartridges  
Capacity: 640 megabytes per cartridge.  
ISO/IEC JTC1 (*1)  
GIGAMO 1.3GB 90mm Magneto-Optical Disk  
System.  
FUJITSU LIMITED SONY  
CORPORATION  
Cherry Book Version  
1.0  
*1  
ISO= International Organization for Standardization  
IEC= International Electrical for Commission  
JTC1= Joint Technical Committee 1  
viii  
C156-F046-01EN  
Contents  
CHAPTER 1 OVERVIEW ................................................................................ 1-1  
1.1 Description 1-1  
1.2 Maintenance Method 1-1  
CHAPTER 2 DIAGNOSIS AND MAINTENANCE............................................ 2-1  
2.1 Maintenance Conditions 2-1  
2.2 Diagnosis 2-2  
2.3 Troubleshooting Method 2-2  
2.4 Unit Version Number 2-3  
CHAPTER 3 TROUBLESHOOTING ............................................................... 3-1  
3.1 For Macintosh Users 3-1  
3.2 For Windows Users 3-2  
CHAPTER 4 RETURNING REPAIRED UNIT.................................................. 4-1  
4.1 Unpacking 4-1  
4.2 Packing 4-1  
4.3 Transportation 4-3  
4.4 Storage 4-3  
CHAPTER 5 CLEANING ................................................................................. 5-1  
5.1 Cleaning Drive 5-1  
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ix  
Contents  
5.2 MO Cartridge Operation 5-2  
5.2.1 MO cartridge 5-2  
5.2.2 Write protect tab 5-3  
5.2.3 Notes 5-3  
5.3 Cleaning Cartridge 5-4  
5.3.1 Cleaning tool 5-4  
5.3.2 Cleaning procedure 5-5  
x
C156-F046-01EN  
Contents  
Illustrations  
Figures  
Figure 2.1 Unit revision number label 2-3  
Figure 2.2 Unit revision-number indication 2-4  
Figure 4.1 Packing and handling of MDG3064UB/MDG3130UB 4-2  
Figure 5.1 MO cartridge 5-2  
Figure 5.2 Write protect tab 5-3  
Figure 5.3 Cleaning procedure (1) 5-6  
Figure 5.4 Cleaning procedure (2) 5-6  
Figure 5.5 Cleaning procedure (3) 5-7  
Figure 5.6 Cleaning procedure (4) 5-7  
Tables  
Table 5.1 Head cleaner 5-1  
Table 5.2 Cleaning kit 5-4  
Table 5.3 Packaged items (cleaning kit) 5-4  
Table 5.4 Cleaning kit (supplement) 5-5  
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CHAPTER 1 OVERVIEW  
1.1  
1.2  
Description  
Maintenance Method  
1.1 Description  
This product assumes that repair operations are performed in a factory.  
On-site replacement of an MO drive unit.  
1.2 Maintenance Method  
In the field, a faulty section should be isolated among the following four:  
Main unit  
Cable  
Media  
AC adapter  
If a main unit is faulty, the product should be sent to Fujitsu for repairing in a  
factory.  
C156-F046-01EN  
1-1  
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CHAPTER 2 DIAGNOSIS AND MAINTENANCE  
2.1  
2.2  
2.3  
2.4  
Maintenance Condition  
Diagnosis  
Troubleshooting Method  
Unit Version Number  
2.1 Maintenance Conditions  
The following conditions are applicable to on-site maintenance:  
(1) Preventive maintenance  
No preventive maintenance is required.  
(2) Service life  
The internal MO drive does not require and overhaul during the first five years  
after installation, provided that the customer cleans the disks and optical parts, and  
handles them appropriately.  
(3) Service system and repair  
Fujitsu has a service system and repair facility for MO drives. Customers should  
submit information required for the replacement or repair of an MO drive to the  
responsible person in Fujitsu. The following information is usually required:  
a) Model No. of the internal MO drive, part number (P/N), unit version number,  
serial number (S/N), and manufacturing date  
b) Fault occurrence status  
Date of failure occurrence  
System configuration  
Environmental conditions (temperature and humidity, voltage, etc.)  
c) Fault history  
d) Fault details  
Failure outline  
Error messages  
Other fault analysis information  
C156-F046-01EN  
2-1  
Diagnosis and MaintenanceDiagnosis and Maintenance  
2.2 Diagnosis  
The MO drive has an initial self-diagnosis function, which checks the normal basic  
operation of the MO drive.  
Initial self-diagnosis function  
When the power is turned on, the MO drive executes initial self-diagnosis,  
which includes a basic test of hardware functions.  
If an error is detected during self-diagnosis, the LED on the front panel of the  
MO drive blinks. The status can be cleared by turning the power off and then  
on again. When this status is cleared, the MO drive re-executes the initial  
self-diagnosis.  
2.3 Troubleshooting Method  
The system-level troubleshooting steps listed below are performed for determining  
if the fault is caused by an MO drive unit or caused by a system. The steps should  
be performed by customers on-site.  
Item  
MO cartridge  
Recommended procedure  
Check that a recommended MO cartridge is loaded and the surface  
of the disk is free from dirt or scratches.  
AC adapter  
Check whether power indicator on the device side has lighted up  
before connecting the device between host computer with the USB  
cable.  
Interface cable connection  
Check that the interface cable is correctly connected to the MO  
drive.  
System cable  
Check that all cables in the system are correctly connected.  
System diagnosis test  
Execute the system level diagnostic routines given in the host  
computer manual to further isolate the fault, if possible.  
Intermittent or indefinite error Replace the MO drive if possible. If the faulty condition continues  
after the replacement, the fault will not be caused by the MO drive.  
Refer to the provided hardware and software manuals about the  
system further, for clues of identifying cause of the failure.  
2-2  
C156-F046-01EN  
Diagnosis and Maintenance  
2.4 Unit Version Number  
If a unit version number should be changed on site, take the following steps:  
Figure 2.1 Unit revision number label  
(1) Revision-number display at shipment  
The unit version number of an MO drive is indicated by crossing out unnecessary  
number with an equal sign (=) in the corresponding alphanumeric character string  
on the label. (See Figure 2.2.)  
(2) Revision number changes in the field  
When the revision number is changed following part replacement or other  
modifications, the applicable level is indicated by the corresponding number  
enclosed with a circle in the corresponding number string. (See Figure 2.2.)  
IMPORTANT  
Fujitsu issues a Change Request/Notification regarding post-factory-shipment  
revision number changes. When the user changes the version number, the  
revision-number label should be updated as described above after the change is  
applied.  
C156-F046-01EN  
2-3  
Diagnosis and MaintenanceDiagnosis and Maintenance  
Revision number indicated on shipment  
=
=
=
Revision A2  
Revision A3  
REV. NO.  
A
0
1
2
3
4
5
6
7
8
9
Revision number changed on site  
=
0
=
1
=
2
REV. NO.  
A
3
4
5
6
7
8
9
Remarks:  
A is stamped in the revision-number indication  
Figure 2.2 Unit revision-number indication  
2-4  
C156-F046-01EN  
CHAPTER 3 TROUBLESHOOTING  
3.1  
3.2  
For Macintosh Users  
For Windows Users  
3.1 For Macintosh Users  
The following describes troubleshooting of the DynaMO MO drive connected to a  
Macintosh computer.  
An inserted MO disk is not mounted on desktop.  
Is the MO disk drive properly connected to the Macintosh computer?  
Verify that the MO disk drive and the Macintosh computer are connected to  
each other properly. If two or more devices are connected to one another, also  
check that all other devices are connected properly.  
Has a device driver been installed?  
If a device driver has not been installed, install a driver following the steps  
described in "2. Installation" of the DynaMO User's Manual. The manual is  
provided together with the drive unit.  
Has a disk been initialized in proper format?  
An MO disk formatted improperly cannot be mounted on desktop. Initialize  
the disk in a format appropriate for the product.  
Has a disk been initialized?  
An MO disk that has not been initialized cannot be mounted on desktop.  
Initialize the MO disk as described in the User's Manual.  
An MO disk cannot be dismounted.  
Has an MO disk icon on desktop been thrown away to "Trash" box?  
On a Macintosh computer, an MO disk is dismounted by throwing an MO  
disk icon away to "Trash" icon (by dragging and dropping an MO icon onto  
"Trash" icon). Usually, pressing the eject button does not dismount an MO  
disk.  
C156-F046-01EN  
3-1  
TroubleshootingTroubleshooting  
3.2 For Windows Users  
The following describes troubleshooting of the DynaMO MO drive connected to a  
Windows computer.  
MO drive is not recognized/ MO drive icon does not appear on the desktop.  
Is the MO disk drive properly connected to your PC?  
Verify that the MO disk drive and the PC are connected to each other  
properly.  
Is AC adapter is connected?  
If AC adapter is not connected to MO disk drive, disconnect the MO drive  
from your PC, connect the AC adapter, and then re-connect MO disk drive to  
your PC.  
MO disk cannot be used properly.  
Has the device driver been installed?  
If the device drivers have not been installed in Windows 98 and Windows 98  
Second Edition, install the device drivers following the steps described in the  
User's Manual.  
Is AC adapter is connected?  
If the AC adapter is not connected to the MO disk drive, disconnect the MO  
drive from your PC, connect the AC adapter, and then re-connect MO disk  
drive to your PC.  
3-2  
C156-F046-01EN  
CHAPTER 4 RETURNING REPAIRED UNIT  
4.1  
4.2  
4.3  
4.4  
Unpacking  
Packing  
Transportation  
Storage  
4.1 Unpacking  
The following provides notes on unpacking a replacing MO disk drive:  
Ensure flat and level working space, and pay attention to indication of upside  
and downside on a package box. Avoid placing the unit directly on a firm  
desk, etc. Handle a unit on a soft material such as rubber mat, etc.  
When removing cushions, pay attention not to strain an MO disk drive.  
When taking a unit out of an anti-static plastic bag, pay extra attention not to  
strain printed circuit surface and interface connectors.  
If an MO disk drive is moved into a place where room temperature changes  
by 10 degrees Celsius, leave the unit packed for more than 2 hours after  
moving, for avoiding condensation.  
4.2 Packing  
The following provides notes on packing a replaced MO disk drive:  
For packing, use the same cushions and a box as those provided upon delivery  
of a unit. If the same cushions and a box are unavailable, use a box with  
cushions that do not give physical shock to an MO disk drive.  
Pack an MO disk drive with an MO cartridge removed (with the carriage  
locked).  
When packing an MO disk drive, provide sufficient protection against damage  
on printed circuit surface and interface connectors.  
Put an MO disk drive into an anti-static plastic bag with desiccant.  
Provide plainly visible signs indicating "THIS SIDE UP" and "HANDLE  
WITH CARE" outside a box.  
Other provided materials (AC adapter, cable, media, etc.) should be kept  
separately. Do not pack them with an MO disk drive.  
C156-F046-01EN  
4-1  
Returning Repaired Unit  
Figure 4.1 shows outline of packing procedures. Shapes and materials of cushions  
may be different from those used with the same functions.  
Figure 4.1 Packing and handling of MDG3064UB/MDG3130UB  
4-2  
C156-F046-01EN  
Returning Repaired Unit  
4.3 Transportation  
The following provides notes on transporting an MO disk drive:  
An MO disk drive must be transported in packed status in proper package. A  
unit must not be turned over; always keep the top side up.  
After unpacking, transportation of a drive must be limited to short distance,  
avoiding shocks and vibrations using cushion. During transportation after  
unpacking, it is recommended that an MO disk drive should be kept level.  
4.4 Storage  
The following provides notes on storing an MO disk drive:  
Moisture-proof packing must be used for storage.  
Drastic temperature changes must be avoided in storage environment for  
preventing condensation.  
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4-3  
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CHAPTER 5 CLEANING  
5.1  
5.2  
5.3  
Cleaning Drive  
MO Cartridge Operation  
Cleaning Cartridge  
This chapter describes how to clean internal MO drive and the MO cartridge.  
5.1 Cleaning Drive  
When a dust or smoke of cigarette is stained to the lens actuator, a performance of  
whole drive may be down. Clean the lens actuator periodically using following  
head cleaner.  
When cleaning the drive, do not use a toxic cleaning agent.  
Note:  
Cleaning period differs depending on the installation condition. Usually, cleaning  
period is once a three months.  
Table 5.1 Head cleaner  
Part name  
Order number  
Head cleaner  
CA90002-C980  
(1) Cleaning method  
Clean the head actuator with following method.  
1. Turn on the power of the drive.  
2. Insert the head cleaner.  
3. The head cleaner is automatically loaded and the cleaning brush disk in the  
head cleaner is rotated to clean the lens.  
4. When the cleaning is finished, the head cleaner is automatically unloaded.  
(cleaning time: 10 seconds)  
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5-1  
Cleaning  
IMPORTANT  
Check the cleaning brush state by opening the shutter of the head cleaner. If the  
tip of brush is open, used new head cleaner.  
5.2 MO Cartridge Operation  
5.2.1 MO cartridge  
Figure 5.1 shows the MO cartridge. For operation and cleaning, users should be  
familiar with the parts shown in the figure.  
Shutter closed  
2. Shutter  
1. Cartridge case  
3. Write protect tab  
5. Hub  
Shutter open  
4. Disk  
Figure 5.1 MO cartridge  
5-2  
C156-F046-01EN  
Cleaning  
5.2.2 Write protect tab  
Moving the write protect tab determines whether writing is enabled. Use a  
fingernail to move the write protect tab completely.  
Figure 5.2 shows the write protect tab location.  
Write protect tab  
Figure 5.2 Write protect tab  
5.2.3 Notes  
To maintain the performance and reliability of the MO cartridge, keep the  
following points in mind when using, storing, or transporting the cartridge:  
(1) When using the cartridge:  
Do not use the cartridge where exposed to direct sunlight or where the  
temperature changes sharply, the temperature is high, or the humidity is high.  
Do not apply excessive pressure to the cartridge case or shutter. Avoid  
dropping the cartridge.  
Do not use the cartridge in a dusty or smoky place.  
Do not open the shutter or touch the disk surface.  
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5-3  
Cleaning  
(2) When storing the cartridge:  
Do not place a heavy objects on the cartridge.  
Do not store the cartridge where exposed to direct sunlight or where the  
temperature changes sharply, the temperature is high, or the humidity is high.  
Do not store the cartridge in a dusty or smoky place.  
(3) When transporting the cartridge:  
Put the cartridge in a nylon bag to protect it from moisture.  
Put the cartridge in a strong container and cover the cartridge with cushioning  
material.  
5.3 Cleaning Cartridge  
Dust or cigarette smoke pariticulates on the disk surface lowers the performance of  
the cartridge. Regularly clean the disk. The cleaning frequency depends on the  
drive installation environment. Determine how often the drive should be cleaned  
in consideration of the environment. A standard of the cleaning period is every  
300 hours usage or once a 2 to 3 months.  
5.3.1 Cleaning tool  
Use the cleaning kit to clean the MO cartridge.  
(1) Cleaning kit  
This cleaning kit is only for 3.5-inch optical disk cartridge. Use with voading the  
attached operation guide well. Table 5.2 shows the order number of the cleaning  
kit.  
Table 5.2 Cleaning kit  
Part name  
Order number  
Cleaning kit  
CA90003-0702  
Table 5.3 shows the packaged items of the cleaning kit.  
Table 5.3 Packaged items (cleaning kit)  
Name  
Contents  
Setting case  
Cleaning cloth  
Cleanser  
1 piece  
5 pieces (70mm?70mm)  
1 bottles (20ml)  
A set of the cleanser and cleaning cloth is provided as supplement.  
5-4  
C156-F046-01EN  
Cleaning  
Table 5.4 Cleaning kit (supplement)  
Part name  
Order number  
Cleaning kit  
(supplement)  
CA90002-D901  
Note:  
Use the cleanser and cleaning cloth specified in Table 5.2. If other than the  
specified items is used, disk media surface may be damaged.  
(2) Notes on usage and storage of cleaning kit  
When storaging the cleanser, tighten the cap.  
As the magnet is used at revolving knob of the setting case, do not place the  
floppy disk near the revolving knob.  
Do not use or storage where exposed to direct sun ligth or near the  
inflammables.  
Keep out of the reach of childen.  
Note:  
Do not use this cleaning kit for the floppy disk or the MO cartridge used for other  
optical disk drive.  
5.3.2 Cleaning procedure  
Clean the MO cartridge with a following procedure.  
Note:  
Clean the cartridge at clean place. Put a disposable groves at cleaning so that the  
figureprint does not put on the disk media (recommendation).  
C156-F046-01EN  
5-5  
Cleaning  
1) Slide the shutter completely open.  
Figure 5.3 Cleaning procedure (1)  
2) Set the cartridge with keeping label side down and shutter open to the shutter  
stopper of the setting case as shown in Figure 5.4.  
Cartridge  
Shutter  
Disk media  
Spindle  
Shutter stopped  
Setting case as shown  
Setting case  
Figure 5.4 Cleaning procedure (2)  
Note:  
At setting the cartridge to the setting case, do not apply the heavy shock and push  
hardly.  
5-6  
C156-F046-01EN  
Cleaning  
3) Cover the cartridge with the setting case cover, then insert the spindle pin into  
the center hub of the cortridge.  
Disk media  
Revolver  
Setting case cover  
Disk hub  
Figure 5.5 Cleaning procedure (3)  
4) Remove a slender piece that causes a defect from the disk surface at wiping  
the disk media.  
5) Moisten the cleaning cloth with a few drops of cleanser.  
In case of contact, immediately flush eyes with water.  
6) Wipe the disk surface from the hub outward.  
7) Turn the revolving knob, then wipe the disk surface.  
Cleaning cloth  
Figure 5.6 Cleaning procedure (4)  
C156-F046-01EN  
5-7  
Cleaning  
8) If the excess cleanser remains on the disk surface, wipe out with the cleaning  
cloth.  
5-8  
C156-F046-01EN  
Comments concerning this manual can be directed to one of the following addresses:  
FUJITSU LIMITED  
FUJITSU ICL ESPAÑA S.A.  
Storage Products Group  
4-1-1 Kamikodanaka, Nakahara-ku, Kawasaki,  
211-8588, Japan  
Almagro 40, 28010 Madrid, SPAIN  
TEL:  
FAX:  
34-91-581-8000  
34-91-581-8300  
TEL:  
FAX:  
81-44-754-2130  
81-44-754-8346  
FUJITSU AUSTRALIA LIMITED  
2 Julius Avenue (Cnr Delhi Road) North Ryde N.S.W. 2113,  
AUSTRALIA  
FUJITSU COMPUTER PRODUCTS OF AMERICA, INC.  
2904 Orchard Parkway, San Jose,  
California 95134-2009, U.S.A.  
TEL:  
FAX:  
61-2-9776-4555  
61-2-9776-4556  
TEL:  
FAX:  
1-408-432-6333  
1-408-894-1709  
FUJITSU HONG KONG LTD.  
10/F., Lincoln House, 979 King’s Road, Taikoo Place, Island East,  
Hong Kong  
FUJITSU CANADA INC.  
2800 Matheson Blvd. East, Mississauga, Toronto,  
Ontario L4W 4X5, CANADA  
TEL:  
FAX:  
852-2827-5780  
852-2827-4724  
TEL:  
FAX:  
1-905-602-5454  
1-905-602-5457  
FUJITSU KOREA LTD.  
Coryo Finance Center Bldg, 23-6, YoulDo-Dong,  
Young DungPo-Gu, Seoul, Republic of KOREA  
FUJITSU EUROPE LIMITED  
Hayes Park Central, Hayes End Road,,  
Hayes, UB4 8FE, U.K.  
TEL:  
FAX:  
82-2-3787-6000  
82-2-3787-6029  
TEL:  
FAX:  
44-20-8573-4444  
44-20-8573-2643  
FUJITSU COMPUTERS (SINGAPORE) PTE. LTD  
20 Science Park Road #03-01,  
FUJITSU DEUTSCHLAND GmbH  
Frankfurter Ring 211, 80807 München, GERMANY  
TELETECH PARK SINGAPORE SCIENCE PARK II,  
Singapore 117674  
TEL:  
FAX:  
49-89-323780  
49-89-32378100  
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