Fujitsu MDG3230UB User's Manual
Contents
1. Device damage Do not use this cleaning kit for the floppy disk or the optical disk cartridge used for other optical disk drive Disk media damage Clean the cartridge at clean place Put a disposable groves at cleaning so that the fingerprint does not put on the disk media recommendation Device Damage When setting the optical disk cartridge in the setting case neither apply strong shock nor push it forcibly Damage for data medium Damage for data medium data medium In case of contact immediately flush eyes with water case of contact In case of contact immediately flush eyes with water flush eyes with water C156 F047 01EN This page is intentionally left blank MANUAL ORGANIZATION MDG3230UB OVERVIEW OPTICAL DISK DRIVES DIAGNOSIS AND MAINTENANCE MAINTENANCE MANUAL TROUBLESHOOTING C156 F047 RETURNING REPAIRED UNIT This manual CLEANING MCJ3230UB GENERAL DESCRIPTION OPTICAL DISK DRIVES SPECIFICATIONS PRODUCT MANUAL INSTALLATION REQUIREMENTS 156 232 HOST INTERFACE OPERATION AND CLEANING 6 DIAGNOSTICS AND MAINTENANCE C156 F047 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 2 0 USB implementers Forum Universal Serial Bus Mass Storage Class Bulk Only Transport R2. FUJITSU LIMITED Storage Products Group 4 1 1 Kamikodanaka Nakahara ku Kawasaki 211 8588 apan TEL 81 44 754 2130 FAX 81 44 754 8346 FUJITSU COMPUTER PRODUCTS OF AMERICA INC 2904 Orchard Parkway San J ose California 95134 2009 U S A TEL 1 408 432 6333 FAX 1 408 894 1709 FUJITSU CANADA INC 2800 Matheson Blvd East Mississauga Toronto Ontario L4W 4X5 CANADA TEL 1 905 602 5454 FAX 1 905 602 5457 FUJITSU EUROPE LIMITED Hayes Park Central Hayes End Road Hayes UB4 8FE UK TEL 44 20 8573 4444 FAX 44 20 85 73 2643 FUJITSU DEUTSCHLAND GmbH Frankfurter Ring 211 80807 M nchen GERMANY TEL 49 89 323780 FAX 49 89 32378100 FUJITSU NORDIC AB Kung Hans Vag 12 5 192 68 Sollentura SWEDEN TEL 46 8 626 4500 FAX 46 8 626 4588 FUJITSU ITALIA S p A Via Nazario Sauro 38 20099 Sesto S Giovanni MI ITALY TEL 39 2 26294 1 FAX 39 2 26294 201 FUJITSU FRANCE S A 1 Place des Etats Unis SILIC 310 94588 Rungis Cedex FRANCE TEL 33 1 41 80 38 80 FAX 33 1 41 80 38 66 FUJITSU ICL ESPANA S A Almagro 40 28010 Madrid SPAIN TEL 34 91 581 8000 FAX 34 91 581 8300 FUJITSU AUSTRALIA LIMITED 2 Julius Avenue Cnr Delhi Road North Ryde N S W 2113 AUSTRALIA TEL 61 2 9776 4555 61 2 9776 4556 FUJITSU HONG KONG LTD 10 F Lincoln House 979 King s Road Taikoo P lace Island East Hong Kong TEE 852 2827 5780 FAX 852 2827 4724 FUJITSU KOREA LTD Coryo Fina
3. Clarity C E L Cross referencing O O posl Others 1 EJ L Figures amp tables 111 L Generalappearance C C Technical level Too high Appropriate Too low Overall rating of this publication Good L Fair L Poor FOR FUJITSU USE Overseas office Person in charge Note Local representative should pass this form to the section in charge of distribution in FUJITSU Reply By FUJITSU LIMITED This page is intentionally left blank FUJITSU
4. 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 15 seconds A CAUTION Device Damage Be sure to use the dedicated head cleaner described above C156 F047 01EN 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 e Shutter closed 2 Shutter Cartridge case e Shutter open Figure 5 1 MO cartridge 5 2 C156 F047 01EN 5 2 MO Cartridge Operation 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 Protector movin direction 3t Protector moving WSN direction Recording enabled Recording disabled 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 cartri
5. e 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 Recommended procedure MO cartridge 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 pro
6. 3 5 inch optical disk cartridge Use with reading the attached operation guide well Table 5 2 shows the order number of the cleaning kit Table 5 2 Cleaning kit Cleaning kit CA90003 0702 Table 5 3 shows the packaged items of the cleaning Table 5 3 Packaged items cleaning kit Cleaning cloth 5 pieces 70mm 70mm eon A set of the cleanser and cleaning cloth is provided as supplement C156 F047 01EN 5 3 Cleaning Cartridge Table 5 4 Cleaning kit supplement A CAUTION Device damage Use the cleaner 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 e 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 light or near the inflammables e Keep out of the reach of children A CAUTION Device damage Do not use this cleaning kit for the floppy disk or the optical disk cartridge used for other optical disk drive 5 3 2 Cleaning procedure Clean the disk cartridge with a following procedure A CAUTION Disk media damage Clean the cartridge at clean place Put a disposable groves at cleaning so that the fingerprint does not put on the disk media recommendation C156 F047 01EN 5 5 Cleaning 1 Slide the shutter co
7. sent to Fujitsu for repairing in a factory C156 F047 01EN 1 1 This page is intentionally left blank CHAPTER 2 DIAGNOSIS AND MAINTENANCE 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 b d C156 F047 01EN Model No of the internal MO drive part number P N unit version number serial number S N and manufacturing date Fault occurrence status e Date of failure occurrence e System configuration e Environmental conditions temperature and humidity voltage etc Fault history Fault details e Failure outline e Error messages 2 1 Diagnosis and Maintenance e Other fault analysis information 2 2 Diagnosis The MO drive has an initial self diagnosis function which checks the normal basic operation of the MO drive
8. C156 F047 01EN MDG3230UB OPTICAL DISK DRIVES MAINTENANCE MANUAL FUJITSU FOR SAFE OPERATION Handling of This Manual This manual contains important information for using this product Read thoroughly before using the product Use this product only after thoroughly reading and understanding especially the section Important Alert Items in this manual Keep this manual handy and keep it carefully FUJITSU makes every effort to prevent users and bystanders from being injured or from suffering damage to their property Use the product according to this manual This product is designed and manufactured for use in standard applications such as office work personal devices and household appliances This product is not intended for special uses atomic controls aeronautic or space systems mass transport vehicle operating controls medical devices for life support or weapons firing controls where particularly high reliability requirements exist where the pertinent levels of safety are not guaranteed or where a failure or operational error could threaten a life or cause a physical injury hereafter referred to as mission critical use Customers considering the use of these products for mission critical applications must have safety assurance measures in place beforehand Moreover they are requested to consult our sales representative before embarking on such specialized use First Edition April 2002 The contents of this manual ma
9. NIT 4 1 4 Unpacking 4 1 42 Packing 4 1 4 3 Transportation 4 3 4 4 Storage 4 3 eal c 5 1 5 1 Cleaning Drive 5 1 Contents 52 MO Cartridge Operation 52 5 2 41 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 C156 F047 01EN Figures Figure 2 1 Figure 2 2 Figure 4 1 Figure 5 1 Figure 5 2 Figure 5 3 Figure 5 4 Figure 5 5 Figure 5 6 Tables Table 5 1 Table 5 2 Table 5 3 Table 5 4 C156 F047 01EN Contents Illustrations Unit revision number label 2 3 Unit revision number indication 2 4 Packing and handling of MDG3230UB 4 2 MO cartridge 5 2 Write protect tab 5 3 Cleaning procedure 1 5 6 Cleaning procedure 2 5 6 Cleaning procedure 3 5 7 Cleaning procedure 4 5 8 Head cleaner 5 1 Cleaning kit 5 4 Packaged items cleaning kit 5 4 Cleaning kit supplement 5 5 xi This page is intentionally left blank CHAPTER 1 OVERVIEW 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
10. ating procedures of the MDG3230UB 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 MDG3230UB MO disk drive Chapter 5 Cleaning C156 F047 01EN Preface CONVENTIONS USED IN THIS MANUAL Conventions for Alert Messages This manual uses the following conventions to show the alert messages 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 AWARNING ACAUTION IMPORTANT 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 b
11. dge 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 not use the cartridge in a dusty or smoky place Do not open the shutter or touch the disk surface C156 F047 01EN 5 3 Cleaning 2 When storing the cartridge Donot 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 e Do not store the cartridge in a dusty or smoky place 3 When transporting the cartridge e Put the cartridge in a nylon bag to protect it from moisture e Put the cartridge in a strong container and cover the cartridge with cushioning material 5 3 Cleaning Cartridge Dust or cigarette smoke particulates 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 1 Cleaning kit 5 4 Use the cleaning kit to clean the disk cartridge This cleaning kit is only for 90mm
12. evision 1 0 USB implementers Forum Universal Serial Bus Mass Storage Class Specification Overview Revision 1 0 USB implementers Forum ISO IEC 10090 90mm Optical Disk Cartridges rewritable and read only for data interchange ISO IEC 1 ISO IEC 13963 Data Interchange on 90mm Optical Disk cartridges Capacity 230 megabytes per cartridge ISO IEC 1 ISO IEC 15041 Data Interchange on 90mm Optical Disk Cartridges Capacity 640 megabytes per cartridge ISO IEC 1 Cherry Book Version GIGAMO 1 3GB 90mm Magneto Optical Disk FUJITSU LIMITED 1 0 System SONY CORPORATION Cherry Book Version GIGAMO 2 3GB 90mm Magneto Optical Disk FUJITSU LIMITED 2 0 System SONY CORPORATION 1 ISO International Organization for Standardization IEC International Electrical for Commission 1 Joint Technical Committee 1 viii C156 F047 01EN 1 2 4 CHAPTER 5 C156 F047 01EN Contents OV ER VIEW M 1 1 1 1 Description 1 1 1 2 Maintenance Method 1 1 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 TROUBLESHOOTING 3 1 3 1 For Macintosh Users 3 1 3 2 For Windows Users 3 2 RETURNING REPAIRED U
13. f the unit Stick the tape for sealing Stick the tape for sealing BOX CUSHION LOWER Figure 4 1 Packing and handling of MDG3230UB 4 2 C156 F047 01EN 4 3 Transportation 4 3 Transportation The following provides notes on transporting an MO disk drive e 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 e 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 e Moisture proof packing must be used for storage e Drastic temperature changes must be avoided in storage environment for preventing condensation C156 F047 01EN 4 3 This page is intentionally left blank CHAPTER 5 CLEANING 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 Note Cleaning period differs depending on the installation condition Usually cleaning period is once a three months Table 5 1 Head cleaner 1 Cleaning method
14. mpletely open Figure 5 3 Cleaning procedure 1 A CAUTION Device Damage When setting the optical disk cartridge in the setting case neither apply strong shock nor push it forcibly 2 Setthe 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 Shutter stopped Setting case as shown Figure 5 4 Cleaning procedure 2 5 6 C156 F047 01EN 5 3 Cleaning Cartridge Note At setting the cartridge to the setting case do not apply the heavy shock and push hardly 3 Cover the cartridge with the setting case cover then insert the spindle pin into the center hub of the cartridge Disk media Cartridge opening 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 A CAUTION Damage for data medium In case of contact immediately flush eyes with water 6 Wipe the disk surface from the hub outward C156 F047 01EN 5 7 Cleaning 5 8 7 Turn the revolving knob then wipe the disk surface Cleaning cloth Figure 5 6 Cleaning procedure 4 8 Ifthe excess cleanser remains on the disk surface wipe out with the cleaning cloth C156 F047 01EN Comments concerning this manual can be directed to one of the following addresses
15. nce Center Bldg 23 6 Y oulDo Dong Young DungP o Gu Seoul Republic of KOREA TEL 82 2 3787 6000 82 2 3787 6029 FUJITSU COMPUTERS SINGAPORE PTE LTD 20 Science P ark Road 03 01 TELETECH PARK SINGAPORE SCIENCE PARK II Singapore 117674 TEL 65 777 6577 65 771 5669 FUJITSU TAIWAN LTD 8F Hun Tai Center 168 170 Tun Hwa North Road Ist Sec Taipei TAIWAN TEL 886 2 545 7700 FAX 886 2 717 4644 FUJITSU SYSTEMS BUSINESS THAILAND LTD 12th F1 Olympia Thai Tower 444 Rachadapisek Road Samsennok Huay Kwang Bangkok 10320 Thailand TEL 66 2 512 6066 FAX 66 2 512 6068 This page is intentionally left blank READER S COMMENT FORM Your comments or suggestions on this document are cordially solicited For any comments and suggestions you may have please complete and submit this form to your FUJITSU representative The comments and suggestions will be used in planning future editions Thank you for your cooperation Date issued Manual name MDG3230UB OPTICAL DISK DRIVES MAINTENANCE MANUAL Name Company or organization Manual code C156 F047 01 EN Address Comments Reply requested Yes No Please evaluate overall quality of this manual by marking V in the appropriate boxes Good Fair Poor Good Fair Poor Good Fair Poor Organization C L L Use of examples 111111 Legibility L Accuracy 11111 Index coverage O O e Handiness Binding O O HB RT
16. nt an MO disk C156 F047 01EN 3 1 Troubleshooting 3 2 For Windows Users 3 2 The following describes troubleshooting of the DynaMO MO drive connected to 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 C156 F047 01EN CHAPTER 4 RETURNING REPAIRED UNIT Unpacking Packing Transportation Storage 4 1 Unpacking The following provides notes on unpacking a replacing MO disk drive 4 2 Packing 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
17. number indicated on shipment REV 9 23 4 5 6 7 8 9 Revision A2 Revision number changed on site REV NO 6 2 3 4 5 6 7 8 9 Revision A3 Remarks A is stamped in the revision number indication Figure 2 2 Unit revision number indication 2 4 C156 F047 01EN CHAPTER TROUBLESHOOTING 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 e 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 e 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 e 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 e 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 dismou
18. 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 The following provides notes on packing a replaced MO disk drive C156 F047 01EN For packing use the same cushions and a box as those provided upon delivery ofaunit 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 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 CUSHION CUSHION UPPER Stick the tapes Two place UNIT DynaMO U1 Right side o
19. vided hardware and software manuals about the system further for clues of identifying cause of the failure 2 2 C156 F047 01EN 2 4 Unit Version Number 2 4 Unit Version Number If a unit version number should be changed on site take the following steps TAA MODEL MDO3230UB MADE IN XXXXXX PART NO CADBGIDO BOIT D XX SERIAL REXXAAAX Thy Il REV 2 34 MANUFACTURED FUJITSU LIMITED Tasted Te Comply with FCC Standards FOR HOME OR OFFICE USE Far use only wlth powersupply 8 033013 Tamura Corp a 53 9302 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 2 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 F047 01EN 2 3 Diagnosis and Maintenance Revision
20. y be revised without prior notice The contents of this manual shall not be disclosed in any way or reproduced in any media without the express written permission of Fujitsu Limited All Rights Reserved Copyright FUJITSU LIMITED 2002 C156 F047 01EN Revision History 1 1 Revised section 1 2002 4 25 2002 4 25 25 Section s with asterisk refer to the previous edition when those were deleted C156 F047 01EN This page is intentionally left blank Preface This document describes procedures for maintenance of the MDG3230UB DynaMO 2300U2 a 3 5 inch magneto optical disk drive The MDG3230UB referred to as the product hereafter is provided with the MCJ3230UB 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 MDG3230UB 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 upd
21. y 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 C156 F047 01EN Attention 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 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 C156 F047 01EN iii This page is intentionally left blank 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 AC AUTION user does not perform the procedure correctly Also damage to the product or other property occur if the user does not perform the procedure correctly Be sure to use the dedicated head cleaner described above Device damage Use the cleaner and cleaning cloth specified in Table 5 2 If other than the specified items 18 used disk media surface may be damaged
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