TROUBLESHOOTINGProvides Epson-approved techniques for adjustment.ĬHAPTER 6. ADJUSTMENTSIncludes a step-by-step guide for adjustment.ĬHAPTER 5. DISASSEMBLY AND ASSEMBLYIncludes a step-by-step guide for product d isassembly and assembly.ĬHAPTER 4. OPERATING PRINCIPLES Describes the theory of printer operation. PRODUCT DESCRIPTIONProvides a general product overview, lists specifications, and illustrates the main components of the pMter.ĬHAPTER 2. The chapters are organizd as follows:ĬHAPTER 1. The instructions and procedures included herein are intended for the experience repair technician, and attention should be given to the precautions on the preceding page. PREFACEThis manual describes functions, theory of electrical and mechanical operations, maintenance, and repair of LX-300. REPLACE MALFUNCTIONING COMPONENTS ONLY WITH THOSE COMPONENTS BY THE MANUFACTURE INTRODUCTION OF SECOND-SOURCE ICS OR (YIHER NONAPPROVED COMPONENTS MAY DAMAGE THE PRODUCT AND VOID ANY APPLICABLE EPSON WARRANTY. IN ORDER TO PROTECT SENSITIVE MICROPROCESSORS AND CIRCUITRY, USE STATIC DISCHARGE EQUIPMENT, SUCH AS ANTI-STATIC WRIST STRAPS, WHEN ACCESSING INTERNAL COMPONENTS.ĥ. 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. MAKE CERTAIN THAT THE SOURCE VOLTAGE IS THE SAME AS THE RATED VOLT-ģ. IF THE EPSON PRODUCT HAS A PRIMARY AC RATING DIFFERENT FROM AVAILABLE POWER SOURCE, DO NOT CONNECT IT TO THE POWER SOURCE.Ģ. AGE, LISTED ON THE SERIAL NUMBER/RATING PLATE. REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTIFIED REPAIR TECHNICIAN. WHEN THE POWER SUPPLY CABLE MUST BE CONNECTED, USE EXTREME CAUTION IN WORKING ON POWER SUPPLY AND OTHER ELECTRONIC COMPONENTS. NO WORK SHOULD BE PERFORMED ON THE UNIT BY PERSONS UNFAMILIAR WITHĬONNECT THE UNIT TO A POWER SOURCE UNTIL INSTRUCTED TO DO SO. WHEN PERFORMING TESTING AS DICTATED WITHIN THIS MANUAL, DO NOTĢ. BASIC SAFETY MEASURES AS DICTATED FOR ALL ELECTRONICS TECHNICIANS IN THEIR LINE OF WORK.3. ALWAYS DISCONNECT THE PRODUCT FROM BOTH THE POWER SOURCE AND PERIPHERAL DEVICES PERFORMING ANY MAINTENANCE OR REPAIR PROCEDURE. The precautiomry measures itemized below should always be observed when performin grepair/ maintenance procedures.ĭANGER1. Great caution should be exercised in performing procedures preceded by DANGER Headings.WARNING Signals a precaution which, if ignored, could result in damage to equipment. PRECAUTIONSPrecautionary 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 injury.
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