Fujitsu PRIMERGY BX920 S4 Operating Manual page 31

Under certain circumstances, sharp CD/DVD/BD fragments can
pierce the cover of the optical drive (equipment damage) and can fly
out of the device (danger of injury, particularly to uncovered body
parts such as the face or neck).
High humidity and airborne dust levels are to be avoided. Electric
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shocks and/or server failures may be caused by liquids such as
water, or metallic items, such as paper clips, entering a drive.
Shocks and vibrations are also to be avoided.
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Do not insert any objects other than the specified CDs/DVDs/BDs.
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Do not pull on, press hard, or otherwise handle the CD/DVD/BD tray
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roughly.
Do not disassemble the optical drive.
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Before use, clean the optical disk tray using a soft, dry cloth.
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As a precaution, remove disks from the optical drive when the drive
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is not to be used for a long time. Keep the optical disk tray closed to
prevent foreign matter, such as dust, from entering the optical drive.
Hold CDs/DVDs/BDs by their edges to avoid contact with the disk
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surface.
Do not contaminate the CD/DVD/BD surface with fingerprints, oil,
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dust, etc. If dirty, clean with a soft, dry cloth, wiping from the center to
the edge. Do not use benzene, thinners, water, record sprays,
antistatic agents, or silicone-impregnated cloth.
Be careful not to damage the CD/DVD/BD surface.
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Keep the CDs/DVDs/BDs away from heat sources.
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Do not bend or place heavy objects on CDs/DVDs/BDs.
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Do not write with ballpoint pen or pencil on the label (printed) side.
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Do not attach stickers or similar to the label side. Doing so may cause
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rotational eccentricity and abnormal vibrations.
When a CD/DVD/BD is moved from a cold place to a warm place,
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moisture condensation on the CD/DVD/BD surface can cause data
read errors. In this case, wipe the CD/DVD/BD with a soft, dry cloth
then let it air dry. Do not dry the CD/DVD/BD using devices such as a
hair dryer.
BX920 S4
Operating Manual
Important information
31