Product Specifications, Appearance, SRP-350plus

Contents SRP-350/352plusA&C Service ManualThermal Printer Rev Table of Contents SRP-350/352plusA&C5. Disassembly and Assembly 6. Adjustments and Maintenance7. Troubleshooting 4. Hardware1. Precaution Segment 1-1 Safety Precautions1-2 Servicing Precaution a Remove or reinstall any component or assembly1-4 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. Installation and Operation 2-1 Installation2-1-1 AC Adapter Installation 2-1-2 Interface Cable 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 2-2-3 Setting the DIP switch IEEE1284 Parallel, USB Interface ※ Auto Cutter Enable / Disable selection2-2-4 Hexadecimal Dumping 2-2-5 The self Test ModeFigure 3-13 The Self-Test Sheet 2-2-6 Setting the Memory Switches SRP-350/352plusA&C 3. Product Specifications 3-1 Appearance3-1-1 Printer Dimensions mm 3-1-2 AC Adapter Dimensions mm3-1-3 Feature Locations-SRP-350/352plusA/C TYPE 3-2 General Specifications SRP-350/352plusCOS RS-232 Serial CommunicationSRP-350/352plusCOP IEEE1284 Parallel Communication SRP-350/352plusCO USB Communication3-3 Thermal Printer Specifications 3-3-1 Printer Specification3-3-2 Character Specification Description3-3-3 Paper Specification 3-3-4 Reliability and Environment Specification※ Note PD 160R3-3-6 TPH Thermal Printer Head Specification 1 180dpi 3-3-5 Printable Area3-3-7 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 3-5-1d Signal Description 3-5-1c Cable ConnectionPrinter Host2-5-2a Forward Mode Specification Compatibility mode 3-5-1e H/W Flow Control3-5-1f S/W Flow Control ※ Note Refer to the Operation Manual about XON/XOFF flow control3-5-2c Signal Specification Compatibility/Nibble/Byte mode 3-5-2c IEEE1284 I/F CablenAck Busy3-5-3a Specification 3-5-3b Signal Description3-5-3 USB2.0 Interface 3-5-3c Cable3-5-4d Construction Series A Connectors Series B Connectors※ Note Minimum conductor construction must be stranded tinned copper From the3-6 Cash Drawer Specifications ※ Note +24V is always output through pin 4 during power on3-6-1 Drawer Cable 3-6-2 Cable Connection4. Hardware 4-1 Wiring DiagramFigure 4-1 Board Wiring Diagram 4-2 Block Diagram Figure 4-2 Block Diagram4-3 Special Circuit Descriptions 4-3-1 Power Circuit4 CPU, Flesh, SRAM, Reset Voltage +3.3V VOLTAGE4-3-2 RESET Circuit Reset signal is signal in order to start-up CPU under Power-onFigure 4-4 Reset Block Diagram Figure 4-5 Reset Waveform ASM811 REUSF-T4-3-3 Buzzer and Cash Drawer Circuits 1 Buzzer Driving Circuit 2 Cash Drawer Driving Circuit4-3-5 RS-232C Communication Block Diagram 4-3-4 I/F PBA Detect Block DiagramUPD70F3107 4-3-6 Parallel Communication Block Diagram 4-3-7 USB Communication Block Diagram4-3-8 DIP Switch Circuit DATA#1,2 LATCHSTROBE1 4-3-9 Thermal Printer Head Circuit5. Disassembly and Assembly 5-1 Case lower block1 Scrw 2 Brkt Dip Switch 3 Case Lower 4 Foot Rubber8 Screw 1 Screw 2 Brkt PCB 6 Main PCB5 PCB Serial Parallel Screw5-2 Case Upper block 1.Push the button to open the Cove Open. 2.Remove the four screws1.Remove the two screws 3.Remove the three screws. 4.Separate the Manual cutter fromRoller Platen Assembly 1 Spring Hook4 Brkt-Hook 3 Screw 1.Remove the E-Ring. 2.Separate the Spring tension, the5-3 Frame block 3 Cover Housing4 Screw 1 Screw4 Screw 7 Connector Spring TPH 5.Separate the Connector from the Heat-sink1.Remove the screw 2 Heatsink Assy 1 Screw1 Screw 2 Frame Main 3 Brkt PCB 4 Power Switch Frame MainWasher Slip6-1 Adjustment 6. Adjustments and Maintenance6-1-1 Remaining Roll Paper Adjustment 6-1-2 Paper Jam 6-2 Maintenance ※ Caution Turn off the printer power before cleaning7-1 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 7-9 USB2.0 Communication Problem Main PBA I/FFailure? Reverse Mode