BIXOLON SRP-270 service manual

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Service Manual

SRP-270

Impact Printer

Rev. 3.02

http://www.samsungminiprinters.com

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Contents SRP-270 SRP-270 Alignment and Adjustments SRP-270 About About this Manual Precaution symbolsOverview of this Receipt Printer CopyrightSafety Precautions Precaution SegmentWaring Do not use an isolation transformer during this test Servicing Precaution Precaution for Electrostatically Sensitive Devices ESDs Installation Installation and OperationAC Adapter Installation Interface Cable InstallationPaper Roll Installation Setting the DIP switch RS-232C Serial Interface Setting the DIP switchesOperation YES OFF Setting the DIP switch IEEE1284 Parallel, USB InterfaceMode Hexadecimal Dumping Self Test ModeSerial Self-Test Sheet Parallel Self-Test Sheet SRP-270 Printer Dimensions mm Product SpecificationsAC Adapter Dimensions mm AppearanceFeature Location Feature LocationsPrinter Mecha Specifications General SpecificationsPrinter Mecha Specification USBAscii Character SpecificationPrinter SMP-710/SMP-710N Pin Description GNDPrinter Head Thermistor Specification Printer Head SpecificationFeed & Carriage Motor Specification Auto cutter specificationRibbon Cassette Specification Smps SpecificationsOther Component Specification Smps Switching Mode Power Supply Specification1 RS-232C Serial Interface 1a Specification Interface Specifications1c Cable Connection 1d Signal Description1e H/W Flow Control 1f S/W Flow Control 2 RS-485 Serial Interface 2a Specification2c Cable Connection Printer Host Side3a Forward Mode Specification Compatibility mode 2d Signal Description2f S/W Flow Control IEEE1284 Parallel Interface3c IEEE1284 I/F Cable 3c Signal Specification Compatibility/Nibble/Byte mode4b Signal Description 4a Specification4 USB2.0 Interface 4c USB I/F Cable※ Note +24V is always output through pin 4 during power on Cash Drawer SpecificationsCash Drawer Cable Cable ConnectionHardware Wiring DiagramBlock Diagram Block DiagramSpecial Circuit Descriptions Power CircuitDrawer Driving and Feed, Auto Cutter Motor Voltage +24Vdc Logic IC Driving Voltage +5VReset Block Diagram Reset CircuitCash Drawer Circuits Cash Drawer Block DiagramPBA DIPC1 DIPC2 DIPC3 4 I/F PBA Detect Block DiagramRS-232C Communication Block Diagram 5 RS-232C Communication Block Diagram10 RS-485 Communication Block Diagram 6 RS-485 Communication Block DiagramUSB Communication Block Diagram Parallel Communication Block Diagram12 DIP Switch Block Diagram DIP Switch CircuitGeneral Precautions on Disassembly Disassembly and AssemblyPlate Bottom Cover Assy SRP-270A & SRP-270C Type Cover Assy SRP-270D TypeCase Upper Assy SRP-270A & SRP-270C Type Printer Assy SRP-270A & SRP-270C Type Case Upper Assy SRP-270D TypeAuto Cutter Assy Printer Assy SRP-270D TypeInterface Board Assy Main PCBPrinter Adjustment Alignment and AdjustmentsAdjustment of Head gap Troubleshooting USB Problem Ieee 1284 ProblemPrinting specifications SpecificationsAppendix Spec of SMP-710/710N ANK Character specificationsPaper specifications Ribbon Cassette specifications Reliability Main Unit specificationsMcbf Mechanisms specifications Electrical specificationsPrinciple of Movement SRP-270 SRP-270 SRP-270 Operation of Color change Description of Timing chart.1 Circuit board block diagram Handling the Printer Precautions on Printer HandlingPaper Setting Procedures Insertion/Removal Remove method by manual Ribbon Cassette Installation Cleaning MaintenanceInspection Lubricants and Adhesive Application Repair Tools, Lubricants and AdhesivesFPC Repair GuidelinesRev SRP-270 SRP-270 Phenomenon Taiwan Tack co Assignment Connector PinAssembly DisassemblyWBH WPHCheck Point Sub-assemblies③WIRE Assy ②SWITCH Lever①SHAFT Pulley ②LEVER Tension②GEAR PF Idle ①BRACKET P/F R③GEAR Knob ④GEAR Knob IdleMain-assemblies ②GEAR TU Pulley ①GEAR Tape UP③WASHER Belt Guide ⑤BRACKET PF L②SCREW Tapping M2*3, 2EA ①SUB PCB Assy③MANUAL Cutter ⑤PLATEN Paper Guide②SERIAL NO. TAG ①FRAME Main C/K ASSY-4③TAPE Insulation ④LEVER Color Change①GEAR Reduction a ⑧FPC Connector②GEAR Reduction B ③RIBBON Feeder Assy⑤HEAD Print ①AD Lever ②SHAFT Head Guide ③SHAFT Head Carriage⑤RIBBON Frame ⑥SPRING Ribbon Frame ⑧HEAD Cover Assy①RIBBON Frame ②SPRING Ribbon Frame Adjustment