BIXOLON Case Upper block, SRP-350/352plusA&C, Remove the two screws, the Case upper

Contents SRP-350/352plusA&C Service ManualThermal Printer Rev SRP-350/352plusA&C Table of Contents4. Hardware 5. Disassembly and Assembly6. Adjustments and Maintenance 7. Troubleshooting1-1 Safety Precautions 1. Precaution Segmenta Remove or reinstall any component or assembly 1-2 Servicing Precaution1-4 Operational Precautions 1-3 Precaution for Electrostatically Sensitive Devices ESDs1. Some semiconductor solid state devices are easily damaged by static electricity. Such components are called Electrostatically Sensitive Devices ESDs examples include integrated circuits and some field-effect transistors. The following techniques will reduce the occurrence of component damaged caused by static electricity 2-1-2 Interface Cable Installation 2. Installation and Operation2-1 Installation 2-1-1 AC Adapter Installation2-1-5 Wall Mount Installation SRP-350/352plusA&C 2-2-1 Setting the DIP switches 2-2 Operation2-2-2 Setting the DIP switch RS-232C Serial Interface ※ Auto Cutter Enable / Disable selection 2-2-3 Setting the DIP switch IEEE1284 Parallel, USB Interface2-2-5 The self Test Mode 2-2-4 Hexadecimal DumpingFigure 3-13 The Self-Test Sheet 2-2-6 Setting the Memory Switches SRP-350/352plusA&C 3-1-2 AC Adapter Dimensions mm 3. Product Specifications3-1 Appearance 3-1-1 Printer Dimensions mm3-1-3 Feature Locations-SRP-350/352plusA/C TYPE SRP-350/352plusCO USB Communication 3-2 General SpecificationsSRP-350/352plusCOS RS-232 Serial Communication SRP-350/352plusCOP IEEE1284 Parallel CommunicationDescription 3-3 Thermal Printer Specifications3-3-1 Printer Specification 3-3-2 Character SpecificationPD 160R 3-3-3 Paper Specification3-3-4 Reliability and Environment Specification ※ Note3-3-5 Printable Area 3-3-6 TPH Thermal Printer Head Specification 1 180dpi3-3-7 Other Component Specification 3-4-1 SMPS Switching Mode Power Supply Specification 3-4 SMPS Specifications3-4-2 SMPS Output Connector 3-5-1 RS-232C Serial Interface 3-5-1a Specification 3-5 Interface Specifications3-5-1b RS-232C I/F Cable Host 3-5-1d Signal Description3-5-1c Cable Connection Printer※ Note Refer to the Operation Manual about XON/XOFF flow control 2-5-2a Forward Mode Specification Compatibility mode3-5-1e H/W Flow Control 3-5-1f S/W Flow ControlBusy 3-5-2c Signal Specification Compatibility/Nibble/Byte mode3-5-2c IEEE1284 I/F Cable nAck3-5-3c Cable 3-5-3a Specification3-5-3b Signal Description 3-5-3 USB2.0 Interface3-5-4d Construction From the Series A ConnectorsSeries B Connectors ※ Note Minimum conductor construction must be stranded tinned copper3-6-2 Cable Connection 3-6 Cash Drawer Specifications※ Note +24V is always output through pin 4 during power on 3-6-1 Drawer Cable4. Hardware 4-1 Wiring DiagramFigure 4-1 Board Wiring Diagram Figure 4-2 Block Diagram 4-2 Block DiagramVOLTAGE 4-3 Special Circuit Descriptions4-3-1 Power Circuit 4 CPU, Flesh, SRAM, Reset Voltage +3.3VASM811 REUSF-T 4-3-2 RESET CircuitReset signal is signal in order to start-up CPU under Power-on Figure 4-4 Reset Block Diagram Figure 4-5 Reset Waveform2 Cash Drawer Driving Circuit 4-3-3 Buzzer and Cash Drawer Circuits 1 Buzzer Driving Circuit4-3-5 RS-232C Communication Block Diagram 4-3-4 I/F PBA Detect Block DiagramUPD70F3107 4-3-7 USB Communication Block Diagram 4-3-6 Parallel Communication Block Diagram4-3-8 DIP Switch Circuit 4-3-9 Thermal Printer Head Circuit DATA#1,2LATCH STROBE14 Foot Rubber 5. Disassembly and Assembly5-1 Case lower block 1 Scrw 2 Brkt Dip Switch 3 Case LowerScrew 8 Screw 1 Screw 2 Brkt PCB6 Main PCB 5 PCB Serial Parallel3.Remove the three screws. 4.Separate the Manual cutter from 5-2 Case Upper block1.Push the button to open the Cove Open. 2.Remove the four screws 1.Remove the two screws1.Remove the E-Ring. 2.Separate the Spring tension, the Roller Platen Assembly1 Spring Hook 4 Brkt-Hook 3 Screw1 Screw 5-3 Frame block3 Cover Housing 4 Screw2 Heatsink Assy 1 Screw 4 Screw 7 ConnectorSpring TPH 5.Separate the Connector from the Heat-sink 1.Remove the screwSlip 1 Screw 2 Frame Main 3 Brkt PCB 4 Power SwitchFrame Main Washer6-1 Adjustment 6. Adjustments and Maintenance6-1-1 Remaining Roll Paper Adjustment 6-1-2 Paper Jam ※ Caution Turn off the printer power before cleaning 6-2 Maintenance7-1 Power Problem 7. TroubleshootingOk? On SMPS 7-2 System Problem 7-3 Panel PBA and Sensor Problem 7-4 Thermal Printer Head and Feed Motor Problem 7-5 Auto Cutter and Drawer Problem Input Ok? 7-6 Dip S/W and I/F PBA Select ProblemSelect Ok? 7-7 RS-232C Serial Communication Problem 7-8 IEEE-1284 Parallel Communication Problem Reverse Mode 7-9 USB2.0 Communication ProblemMain PBA I/F Failure?