Various symbols are used throughout this manual either to provide additional information on a specific topic or to warn of possible danger present during a procedure or an action. APPENDIX Provides the following additional information for reference: CHAPTER 6.MAINTENANCE Provides preventive maintenance procedures and the lists of Epsonapproved lubricants and adhesives required for servicing the product.
CHAPTER 5.ADJUSTMENT Provides Epson-approved methods for adjustment. CHAPTER 4.DISASSEMBLY/ASSEMBLY Describes the step-by-step procedures for disassembling and assembling the product. CHAPTER 3.TROUBLESHOOTING Describes the step-by-step procedures for the troubleshooting. CHAPTER 2.OPERATING PRINCIPLES Describes the electrical and mechanical basic operating principles of the product. CHAPTER 1.PRODUCT DESCRIPTION Describes the features and basic specifications of the product. This manual consists of four chapters and Appendix. The instructions and procedures included herein are intended for the experienced repair technicians, and attention should be given to the precautions on the preceding page. WHEN USING COMPRESSED AIR PRODUCTS SUCH AS AIR DUSTER, FOR CLEANING DURING REPAIR AND MAINTENANCE, THE USE OF SUCH PRODUCTS CONTAINING FLAMMABLE GAS IS PROHIBITED.Ībout This Manual This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of the scanner. IF SECOND SOURCE IC OR OTHER COMPONENTS WHICH HAVE NOT BEEN APPROVED ARE USED, THEY COULD CAUSE DAMAGE TO THE EPSON PRODUCT, OR COULD VOID THE WARRANTY OFFERED BY EPSON. IN ORDER TO PROTECT SENSITIVE MICROPROCESSORS AND CIRCUITRY, USE STATIC DISCHARGE EQUIPMENT, SUCH AS ANTI-STATIC WRIST STRAPS, WHEN ACCESSING INTERNAL COMPONENTS.ĭO NOT REPLACE IMPERFECTLY FUNCTIONING COMPONENTS WITH COMPONENTS WHICH ARE NOT MANUFACTURED BY EPSON.
IF THE EPSON PRODUCT HAS A PRIMARY AC RATING DIFFERENT FROM AVAILABLE POWER SOURCE, DO NOT CONNECT IT TO THE POWER SOURCE.ĪLWAYS VERIFY THAT THE EPSON PRODUCT HAS BEEN DISCONNECTED FROM THE POWER SOURCE BEFORE REMOVING OR REPLACING PRINTED CIRCUIT BOARDS AND/OR INDIVIDUAL CHIPS.
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MAKE CERTAIN THAT THE SOURCE VOLTAGES IS THE SAME AS THE RATED VOLTAGE, LISTED ON THE SERIAL NUMBER/RATING PLATE. REPAIRS ON EPSON PRODUCT SHOULD BE PERFORMED ONLY BY AN EPSON CERTIFIED REPAIR TECHNICIAN. WHEN DISASSEMBLING OR ASSEMBLING A PRODUCT, MAKE SURE TO WEAR GLOVES TO AVOID INJURIER FROM METAL PARTS WITH SHARP EDGES. WHEN THE POWER SUPPLY CABLE MUST BE CONNECTED, USE EXTREME CAUTION IN WORKING ON POWER SUPPLY AND OTHER ELECTRONIC COMPONENTS. WHEN PERFORMING TESTING AS DICTATED WITHIN THIS MANUAL, DO NOT CONNECT THE UNIT TO A POWER SOURCE UNTIL INSTRUCTED TO DO SO. 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. The precautionary measures itemized below should always be observed when performing repair/maintenance procedures.ĪLWAYS DISCONNECT THE PRODUCT FROM THE POWER SOURCE AND PERIPHERAL DEVICES PERFORMING ANY MAINTENANCE OR REPAIR PROCEDURES. Signals a precaution which, if ignored, could result in damage to equipment.
Great caution should be exercised in performing procedures preceded by DANGER Headings. Signals a precaution which, if ignored, could result in serious or fatal personal injury. PRECAUTIONS Precautionary notations throughout the text are categorized relative to 1) Personal injury and 2) damage to equipment.
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