This manual describes basic functions, theory of electrical and mechanical operations, maintenance and repair procedures of the printer. 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 This manual consists of six chapters and Appendix CHAPTER 1.PRODUCT DESCRIPTIONS Provides a general overview and specifications of theproduct CHAPTER 2.OPERATING PRINCIPLES Describes the theory of electrical and mechanical operations of the product CHAPTER 3.TROUBLESHOOTING Describes the step-by-step procedures for the troubleshooting CHAPTER 4.DISASSEMBLY / ASSEMBLY Describes the step-by-step procedures for disassembling and assembling the product CHAPTER 5.ADJUSTMENT Provides Epson-approved methods for adjustment CHAPTER 6.MAINTENANCE Provides preventive maintenance procedures and the lists of Epson-approved lubricants and adhesives required for servicing the product CHAPTER 7.APPENDIX Provides the following additional information for reference: Connector pin assignments Electric circuit boards components layout Electrical circuit boards schematics Exploded diagram & Parts List PRODUCT DESCRIPTION FEATURES SPECIFICATIONS Physical Specification Printing Specification Paper Feeding Paper Specification Plain Paper Envelope Exclusive paper Printing Area Cut Sheet Envelopes Ink Cartridge Specification Black Ink Cartridge Color Ink Cartridge Electric Specification Environmental Condition Reliability Safety Approvals Acoustic Noise CE Marking INTERFACE Parallel Interface (Forward Channel) Parallel Interface (Reserve Channel) USB Interface Prevention Hosts of Data Transfer Time-out Interface Selection IEEE1284.4 Protocol PANEL CONTROL Indicators (LEDs) Panel Functions Printer Condition and Panel Status Error Status Printer Initialization Operating Principles Overview Printer Mechanism Printhead Printing Process Printing Method Carriage Mechanism Paper Loading/Feeding Mechanism Paper Loading Mechanism (ASF unit) Paper Feeding Mechanism Ink System Mechanism Capping Mechanism Pump unit mechanism Ink Sequence Electrical Circuit Operating Principles C417 PSB/PSE board C418 MAIN/MAIN-B Board Main Elements Printhead Driver Circuit PF Motor (PF/ PUMP/ ASF Motor) Driver Circuit CR Motor Driver Circuit Reset Circuit EEPROM Control Circuit Sensor Circuit Troubleshooting Overview Troubleshooting with LED Error Indications and Status Monitor 3 Message Unit Level Troubleshooting Disassembly and Assembly Overview Precautions Tools Screws Work Completion Check Disassembly Upper housing removal Printhead removal CR unit removal CR motor removal ASF unit removal PSB/PSE unit removal Holder shaft unit removal Circuit board removal Waste drain ink pad (under the ASF unit) removal Lower housing removal Caution regarding Ink system removal, PF roller unit removal and PF motor removal Ink system unit removal (Cap unit, Pump unit & Waste drain ink pad) PF roller unit removal PF motor removal Adjustment Overview Required Adjustment Maintenance Overview Cleaning Service Maintenance Lubrication Appendix Connector Summary Major Component Unit EEPROM Address Map Component Layout Exploded Diagram Parts List Electrical Circuits FORMAT: High resolution PDF document! ZIP archive: 13 295 kB
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