REV.-A
Precautionary notations throughout the text are categorized relative to 1) personal injury, and 2) damage
to equipment:
DANGER
Signals a precaution which, if ignored, could result in serious or fatal personal in-
jury. Great caution should be exercised in performing procedures preceded by a
DANGER heading.
WARNING
Signals a precaution which, if ignored, could result in damage to equipment.
The precautionary measures itemized below should always be observed when performing repair/maintenance
procedures.
DANGER
1. ALWAYS DISCONNECT THE PRODUCT FROM BOTH THE POWER SOURCE AND
PERIPHERAL DEVlCES BEFORE PERFORMING ANY MAINTENANCE OR REPAIR
PROCEDURE.
2. NO WORK SHOULD BE PERFORMED ON THE UNIT BY PERSONS UNFAMILIAR WITH
BASIC SAFETY MEASURES AS DICTATED FOR ALL ELECTRONICS TECHNICIANS IN
THEIR LINE OF WORK.
3. WHEN PERFORMING TESTING AS DICTATED WITHIN THIS MANUAL, DO NOT CON-
NECT THE UNIT TO A POWER SOURCE UNTIL INSTRUCTED TO DO SO. WHEN THE
POWER SUPPLY CABLE MUST BE CONNECTED, USE EXTREME CAUTION IN WORK-
ING ON POWER SUPPLY AND OTHER ELECTRONIC COMPONENTS.
WARNING
1. Repairs on Epson products should be performed on/y by an Epson-certified repair
technician.
2. Make certain that the source voltage is the same as the rated voltage, listed on the serial
number/rating plate. If the Epson product has a primary AC rating different from the
available power source, do not connect it to the power source.
3. Always verify that the Epson product has been disconnected from the power source before
removing or replacing printed circuit boards and/or individual chips.
4. In order to protect sensitive microprocessors and circuitry, use static discharge equip-
ment, such as anti-static wrist straps, when accessing internal components.
5. Replace malfunctioning components only with those components recommended by the
manufacturer; introduction of second-source ICs or other nonapproved components may
damage the product and void any applicable Epson warranty.
LQ-510
-iii-
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