UMAX 4400 用户指南
30
MAINTENANCE
MAINTENANCE
MAINTENANCE
MAINTENANCE
With the exception of periodic cleaning or lamp replacement, your scanner
is virtually maintenance free. The following sections give the procedures for
basic maintenance of the scanner.
is virtually maintenance free. The following sections give the procedures for
basic maintenance of the scanner.
Static electricity precautions
Static electricity is a constant danger to computer systems. The charge that
can build up in your body may be strong enough to damage electronic
components on the scanner’s printed circuit board or the computer’s
interface card. Therefore, it is important to observe basic precautions
whenever handling electronic components for your computer. Although
areas with high humidity are much less prone to static electricity, it is best to
always take precautions against accidental damage that can result in
expensive repairs.
can build up in your body may be strong enough to damage electronic
components on the scanner’s printed circuit board or the computer’s
interface card. Therefore, it is important to observe basic precautions
whenever handling electronic components for your computer. Although
areas with high humidity are much less prone to static electricity, it is best to
always take precautions against accidental damage that can result in
expensive repairs.
The following measures should generally be enough to protect your
equipment from static discharge.
equipment from static discharge.
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Discharge any static electricity that may have built-up in your body by
touching a grounded or anti-static surface. For example, touch some
large metal object or the silver-toned expansion slot covers at the rear of
your computer’s case. Be sure to do this immediately before removing
any components from their anti-static bags.
touching a grounded or anti-static surface. For example, touch some
large metal object or the silver-toned expansion slot covers at the rear of
your computer’s case. Be sure to do this immediately before removing
any components from their anti-static bags.
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When handling any electronic components, be sure to carefully avoid
touching any metal part of the component. Avoid touching any of the
gold “fingers” that plug into the expansion slot. It is best to handle
system components either by their edges or by the mounting bracket that
attaches to the slot opening in the rear of the case.
touching any metal part of the component. Avoid touching any of the
gold “fingers” that plug into the expansion slot. It is best to handle
system components either by their edges or by the mounting bracket that
attaches to the slot opening in the rear of the case.
Follow the above to the best of your ability. Excessive caution is not
necessary, simply take reasonable care.
necessary, simply take reasonable care.