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Star Micronics TSP400 technical manual Theory Of Operation

Models: TSP400

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THEORY OF OPERATION

THEORY OF OPERATION

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Star Micronics TSP400 technical manual Theory Of Operation

Contents

TECHNICAL MANUAL TSP400 SeriesTHERMAL PRINTER THIRD EDITION∙ The contents of this manual are subject to change without notice INTRODUCTION Page DIP-Switch Settings SPECIFICATIONS AND OPERATIONGeneral Specifications Print-Density AdjustmentSPECIFICATIONS AND OPERATION SPECIFICATIONS AND OPERATION 1. General Specifications 178mmControl Panel Printer cover Power switch Power cord 2. External Appearance and Internal ConfigurationSPECIFICATIONS AND OPERATION CONNECTOR COVER Peripheral unit connector Interface coverSPECIFICATIONS AND OPERATION 3. DIP-Switch Settings Switch SPECIFICATIONS AND OPERATIONStatus of printer power SettingBaud SPECIFICATIONS AND OPERATIONStatus of printer power ModeSPECIFICATIONS AND OPERATION 4. Print-Density Adjustment SPECIFICATIONS AND OPERATION 5. Sensor Adjustment SPECIFICATIONS AND OPERATION SPECIFICATIONS AND OPERATION 6. Setting Memory Switches from the Control Panel1 Paper-Feed Mode Continuous or Next-Top SPECIFICATIONS AND OPERATION 7. Test Print 8. HEX DumpSPECIFICATIONS AND OPERATION 9. Page/Line Mode Switch SPECIFICATIONS AND OPERATION 10. Exposing the Peripheral Unit ConnectorFig. 1-6 Peripheral Unit Connector SPECIFICATIONS AND OPERATION 11. Changing the Interface Board SPECIFICATIONS AND OPERATION 2. Main and Interface PCBs Block DiagramCHAPTER THEORY OF OPERATION Printer MechanismTHEORY OF OPERATION THEORY OF OPERATION 1. Block Diagram Fig. 2-1 Block Diagram1. 1 Control board 1. 4 Power unitTHEORY OF OPERATION Block DescriptionTHEORY OF OPERATION 2. Main and Interface PCBs 2-1. InterfaceTHEORY OF OPERATION 2-1-2. RS422A interfaceTHEORY OF OPERATION 2-1-3. Parallel interface2-2. Editing and Printing THEORY OF OPERATIONFig.2-6 Timing Chart THEORY OF OPERATION2-3. Feed-Motor Drive Circuit THEORY OF OPERATION2-4. Power-On Reset Circuit THEORY OF OPERATION2-5. +5V Line Voltage Detector Circuit THEORY OF OPERATION3-1. Thermal Head THEORY OF OPERATION 3. Printer Mechanism3-2. Paper-Feed Mechanism 3-3. Detectors THEORY OF OPERATION4 Head-Up Detector Detection signal Leaf switchTHEORY OF OPERATION Fig. 2-19 Head-Up DetectorPage Feed Motor Assembly CHAPTER PARTS REPLACEMENT AND RELATED ADJUSTMENTSPower Unit Upper Casing UnitPARTS REPLACEMENT TSP412D 1. Upper Casing UnitPARTS REPLACEMENT TSP442D1 Remove ∙ Upper casing unit See 1. above ∙ Two tapping screws 2. Control-Panel BoardPARTS REPLACEMENT ∙ Front cover ∙ Two tapping screws ∙ Control-panel boardTSP412D 3. Printer MechanismPARTS REPLACEMENT TSP442DTSP412D 4. Main PCB, Interface PCBPARTS REPLACEMENT 1 Remove ∙ Upper casing unit See 1. above ∙ Six tapping screwsPARTS REPLACEMENT 5. Power Unit6. Fuse 1 Disconnect the power cord from the AC outlet 2 RemovePARTS REPLACEMENT 8. Feed Motor Assembly7. Printhead unit 1 Remove the upper casing unit. See 1. abovePARTS REPLACEMENT 9. Detectors10. Label sensor 1 Remove ∙ Printer mechanism See 3. above ∙ Two screwsPARTS REPLACEMENT Maintenance CHAPTER MAINTENANCE AND LUBRICATIONLubrication MAINTENANCE AND LUBRICATION 1-1. Cleaning MAINTENANCE AND LUBRICATION 1. Maintenance1-2. Checks 2-2. Application Method MAINTENANCE AND LUBRICATION 2. Lubrication2-1. Lubricants 2-3. Lubrication PointsMAINTENANCE AND LUBRICATION Fig. 4-1 Lubrication PointsMAINTENANCE AND LUBRICATION Printer Mechanism Assembly CHAPTER PARTS LISTPrinter Assembly Connector Wiring Diagram1. Printer Assembly 1-1. Disassembly DrawingB. TSP442D L SC1-2. Parts List Printer AssemblyPrinter Assembly 2. Printer Mechanism Assembly 2-1. Disassembly Drawing2-2. Parts List Printer MechanismRS232C I/F BOARD 3. Connector Wiring DiagramPOWER SUPPLY UNIT CONTROL BOARDCONTROL BOARD POWER SUPPLY UNITRS422A I/F BOARD PERIPHERAL UNITCONTROL BOARD POWER SUPPLY UNITPARALLEL I/F BOARD PERIPHERAL UNITCircuit Diagram Main Logic BoardSIDE A LABEL SIDE DMARK SIDE C 4-2. Parts List Main Logic BoardMain Logic Board Main Logic Board Board RS232C InterfaceCircuit Diagram 5-2. Parts List RS232C Interface BoardCircuitDiagram RS422A InterfaceBoard 6-2. Parts List RS422A Interface BoardCircuit Diagram CentronicsInterfaceBoard 7-2. Parts List Centronics Interface Board8-1. Circuit Diagram 8. Control Panel Board8-2. Parts List Control Panel Board10-1. Circuit Diagram 9-1. Circuit Diagram9-2. Parts List 10-2. Parts ListPage OVERSEAS SUBSIDIARY COMPANIES Distributed byHEAD OFFICE STAR MICRONICS AMERICA, INC