PRECAUTIONS
Precautionary notes throughout the text are categorized with respect to: (1) personal injury and (2) damage to equipment.
Signals a precaution which, if ignored, could result in serious or fatal personal injury. Great caution should be exercised in performing a procedure
preceded by a WARNING.
Signals a precaution which, if ignored, could result in damage to equipment.
Always observe the precautions listed below when performing repair and maintenance procedures.
WARNING
1. Alwa
s disconnect the product from both the power source and the host computer before performin
an
maintenance or repair procedure.
2. No work should be performed on the unit b
persons unfamiliar with basic safet
measures dictated for all electronics technicians in their line of
work.
3. In performin
testin
described in this manual, do not connect the unit to a power source until instructed to do so. When the power suppl
cable
must be connected, use extreme caution in workin
on the power suppl
and other electronic components.
CAUTION
1. Repairs on EPSON products should be perfomed onl
b
an EPSON-certified repair technician.
2. Make certain that the source volta
e is the same as the rated volta
e listed on the serial number/ratin
plate. If the EPSON product has a primar
AC ratin
different from the available power source, do not connect it to the power source.
3. Alwa
s verif
that the EPSON product has been disconnected from the power source before removin
or replacin
printed circuit boards or
individual chips.
4. To protect sensitive microprocessors and othe circuitr
, use static dischar
e e
uipment, such as anti-static wrist straps, when accessin
internal
components.
5. Replace malfunctionin
components onl
with those components recommended b
the manufacturer; introduction of second-source ICs or other
nonapproved components ma
dama
e the product and void an
applicable EPSON warrant
.
W ARNING
CAUTION
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