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BIXOLON service manual SRP-350/352plusA&C, Service Manual, Thermal Printer Rev

Models: 352plusA SRP-350

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Service Manual

SRP-350/352plusA&C

Thermal Printer

Rev. 2.01

http://www.samsungminiprinters.com

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BIXOLON service manual SRP-350/352plusA&C, Service Manual, Thermal Printer Rev

Contents

SRP-350/352plusA&C Service ManualThermal Printer Rev SRP-350/352plusA&C Table of Contents6. Adjustments and Maintenance 5. Disassembly and Assembly7. Troubleshooting SRP-350/352plusA&C1-1 Safety Precautions 1. Precaution SegmentSRP-350/352plusA&C a Remove or reinstall any component or assembly 1-2 Servicing PrecautionSRP-350/352plusA&C 1-4 Operational Precautions 1-3 Precaution for Electrostatically Sensitive Devices ESDsSRP-350/352plusA&C 1. 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 electricity2-1 Installation 2. Installation and Operation2-1-1 AC Adapter Installation 2-1-2 Interface Cable InstallationSRP-350/352plusA&C 2-1-5 Wall Mount InstallationSRP-350/352plusA&C 2-2-1 Setting the DIP switches 2-2 Operation2-2-2 Setting the DIP switch RS-232C Serial Interface SRP-350/352plusA&C※ Auto Cutter Enable / Disable selection 2-2-3 Setting the DIP switch IEEE1284 Parallel, USB InterfaceSRP-350/352plusA&C SRP-350/352plusA&C 2-2-5 The self Test Mode2-2-4 Hexadecimal Dumping Figure 3-13 The Self-Test Sheet SRP-350/352plusA&CSRP-350/352plusA&C 2-2-6 Setting the Memory SwitchesSRP-350/352plusA&C 3-1 Appearance 3. Product Specifications3-1-1 Printer Dimensions mm 3-1-2 AC Adapter Dimensions mmSRP-350/352plusA&C 3-1-3 Feature Locations-SRP-350/352plusA/C TYPESRP-350/352plusA&C 3-2 General SpecificationsSRP-350/352plusCOS RS-232 Serial Communication SRP-350/352plusCOP IEEE1284 Parallel Communication3-3-1 Printer Specification 3-3 Thermal Printer Specifications3-3-2 Character Specification SRP-350/352plusA&C3-3-4 Reliability and Environment Specification 3-3-3 Paper SpecificationSRP-350/352plusA&C ※ NoteSRP-350/352plusA&C 3-3-6 TPH Thermal Printer Head Specification 1 180dpi3-3-5 Printable Area SRP-350/352plusA&C 3-3-7 Other Component Specification3-4-1 SMPS Switching Mode Power Supply Specification 3-4 SMPS Specifications3-4-2 SMPS Output Connector SRP-350/352plusA&C3-5-1 RS-232C Serial Interface 3-5-1a Specification 3-5 Interface SpecificationsSRP-350/352plusA&C 3-5-1b RS-232C I/F CableSRP-350/352plusA&C 3-5-1d Signal Description3-5-1c Cable Connection PrinterSRP-350/352plusA&C 2-5-2a Forward Mode Specification Compatibility mode3-5-1e H/W Flow Control 3-5-1f S/W Flow ControlSRP-350/352plusA&C 3-5-2c Signal Specification Compatibility/Nibble/Byte mode3-5-2c IEEE1284 I/F Cable nAck3-5-3b Signal Description 3-5-3a SpecificationSRP-350/352plusA&C 3-5-3 USB2.0 Interface3-5-4d Construction SRP-350/352plusA&CSeries B Connectors Series A ConnectorsSRP-350/352plusA&C ※ Note Minimum conductor construction must be stranded tinned copper※ Note +24V is always output through pin 4 during power on 3-6 Cash Drawer SpecificationsSRP-350/352plusA&C 3-6-1 Drawer Cable4. Hardware 4-1 Wiring DiagramFigure 4-1 Board Wiring Diagram SRP-350/352plusA&CFigure 4-2 Block Diagram 4-2 Block DiagramSRP-350/352plusA&C 4-3-1 Power Circuit 4-3 Special Circuit Descriptions4 CPU, Flesh, SRAM, Reset Voltage +3.3V SRP-350/352plusA&CReset signal is signal in order to start-up CPU under Power-on 4-3-2 RESET CircuitFigure 4-4 Reset Block Diagram Figure 4-5 Reset Waveform SRP-350/352plusA&C4-3-3 Buzzer and Cash Drawer Circuits 1 Buzzer Driving Circuit SRP-350/352plusA&C2 Cash Drawer Driving Circuit 4-3-5 RS-232C Communication Block Diagram 4-3-4 I/F PBA Detect Block DiagramSRP-350/352plusA&C UPD70F31074-3-7 USB Communication Block Diagram 4-3-6 Parallel Communication Block DiagramSRP-350/352plusA&C SRP-350/352plusA&C 4-3-8 DIP Switch CircuitDATA#1,2 SRP-350/352plusA&CLATCH STROBE15-1 Case lower block 5. Disassembly and Assembly1 Scrw 2 Brkt Dip Switch 3 Case Lower SRP-350/352plusA&C8 Screw 1 Screw 2 Brkt PCB SRP-350/352plusA&C6 Main PCB 5 PCB Serial ParallelSRP-350/352plusA&C 5-2 Case Upper block1.Push the button to open the Cove Open. 2.Remove the four screws 1.Remove the two screwsSRP-350/352plusA&C Roller Platen Assembly1 Spring Hook 4 Brkt-Hook 3 Screw3 Cover Housing 5-3 Frame blockSRP-350/352plusA&C 4 ScrewSpring TPH 5.Separate the Connector from the Heat-sink 4 Screw 7 ConnectorSRP-350/352plusA&C 1.Remove the screwSRP-350/352plusA&C 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 SRP-350/352plusA&C6-1-2 Paper Jam SRP-350/352plusA&C※ Caution Turn off the printer power before cleaning 6-2 MaintenanceSRP-350/352plusA&C 7-1 Power Problem 7. TroubleshootingSRP-350/352plusA&C Ok? On SMPSSRP-350/352plusA&C 7-2 System ProblemSRP-350/352plusA&C 7-3 Panel PBA and Sensor ProblemSRP-350/352plusA&C 7-4 Thermal Printer Head and Feed Motor ProblemSRP-350/352plusA&C 7-5 Auto Cutter and Drawer ProblemSRP-350/352plusA&C 7-6 Dip S/W and I/F PBA Select ProblemInput Ok? Select Ok?SRP-350/352plusA&C 7-7 RS-232C Serial Communication ProblemSRP-350/352plusA&C 7-8 IEEE-1284 Parallel Communication ProblemReverse Mode 7-9 USB2.0 Communication ProblemSRP-350/352plusA&C Main PBA I/F