BIXOLON SRP-270 User Manual

Service Manual SRP-270 Impact Printer Rev. 3.02 http://www.samsungminiprinters.com

Rev. 3.02 - 10 -SRP-2702-1-5 Paper Roll Installation 1. Using a new roll paper, unroll the paper and cut the end as shown. 2. In case of Model 270

Rev. 3.02 - 11 -SRP-2702-2 Operation 2-2-1 Setting the DIP switches The DIP switches are located on the bottom of the printer. The DIP switches are

Rev. 3.02 - 12 -SRP-2702-2-3 Setting the DIP switch (IEEE1284 Parallel, USB Interface) • DIP Switch 1 SW FUNCTION ON OFF DEFAULT 1 OFF 2 Emulat

Rev. 3.02 - 13 -SRP-2702-2-4 Hexadecimal Dumping This feature allows experienced users to see exactly what data is coming to the printer. This can b

Rev. 3.02 - 14 -SRP-270(A) Serial Self-Test Sheet (B) Parallel Self-Test Sheet

Rev. 3.02 - 15 -SRP-270(A) Serial Self-Test Sheet (B) Parallel Self-Test Sheet

Rev. 3.02 - 16 -SRP-2703. Product Specifications 3-1 Appearance 3-1-1 Printer Dimensions (mm) Figure 3-1 Printer Dimension 3-1-2 AC Adapter Dimens

Rev. 3.02 - 17 -SRP-2703-1-3 Feature Locations Figure 3-3 Feature Location 1. Cover, A/C/D 2. Case-Upper, A/C/D 3. Case-Lower, A/C/D 4. Label-Contr

Rev. 3.02 - 18 -SRP-2703-2 General Specifications Item Description Remark Product • SRP-270 : RS-232 Serial Communication • SRP-270S : RS-485 Ser

Rev. 3.02 - 19 -SRP-2703-3-2 Character Specification Item Description Remark H 0.3175 mm Dot Interval V 0.3528 mm Font Type ASCII Chinese Prin

Rev. 3.02 - 2 - SRP-270 Table of Contents 1. Precaution Segment...

Rev. 3.02 - 20 -SRP-2703-3-4 Printer Head Specification Item Description Remark Model • DH400-G10 Specification • Type: Ballistic Type (Free Figh

Rev. 3.02 - 21 -SRP-2703-3-9 Ribbon Cassette Specification Item Description Remark Standard • ERC-38 (Black / Red) Color • Black & Red Si

Rev. 3.02 - 22 -SRP-2703-5 Interface Specifications 3-5-1 RS-232C Serial Interface 3-5-1(a) Specification Item Description Remark Data Transmissi

Rev. 3.02 - 23 -SRP-2703-5-1(c) Cable Connection Figure 3-7 RS-232C Cable Connection 3-5-1(d) Signal Description Pin No. Signal name Direction

Rev. 3.02 - 24 -SRP-2703-5-1(f) S/W Flow Control When XON/XOFF flow control is selected, the printer transmits XON(ACSII 11h) or XOFF(ASCII 13h) sign

Rev. 3.02 - 25 -SRP-2703-5-2(d) Signal Description Pin No. Signal name Direction Function 1 Frame GND - Frame Ground 2 SD2 Output 3 SD1 Output

Rev. 3.02 - 26 -SRP-2703-5-3(b) Reverse Mode Specification (Nibble / Byte mode) Data transmission from the printer to the host computer. The STATUS d

Rev. 3.02 - 27 -SRP-2703-5-4 USB2.0 Interface SRP-270 support the USB (Universal Serial Bus) Serial Communication. 3-5-4(a) Specification Item Desc

Rev. 3.02 - 28 -SRP-270 3-6 Cash Drawer Specifications 3-6-1 Cash Drawer Cable Ferrite Core : 1 turn (OP-18E : 18.2 x 12.5 x 25.5) Figure 3-1

Rev. 3.02 - 29 -SRP-2704. Hardware 4-1 Wiring Diagram [Figure 4-1 Board Wiring Diagram]

Rev. 3.02 - 3 - SRP-2704. Hardware ...

Rev. 3.02 - 30 -SRP-2704-2 Block Diagram [Figure 4-2 Block Diagram]

Rev. 3.02 - 31 -SRP-2704-3 Special Circuit Descriptions 4-3-1 Power Circuit This system is operated under 110Vac or 230Vac. The power circuit suppl

Rev. 3.02 - 32 -SRP-2704-3-2 RESET Circuit Reset signal is a signal in order to start-up CPU under Power-on. Reset circuit uses a reset ICTL7705ACD

Rev. 3.02 - 33 -SRP-2704-3-3 Cash Drawer Circuits The circuit is used for opening cash drawer and driven by the Q8 (STA471). When its state is high

Rev. 3.02 - 34 -SRP-2704-3-4 I/F PBA Detect Block Diagram When the printer is ON, the printer checks what kind of the I/F PBA is installed. After de

Rev. 3.02 - 35 -SRP-2704-3-5 RS-232C Communication Block Diagram The CPU is used for serial communication. And also RS-232C Driver (MAX232), is used

Rev. 3.02 - 36 -SRP-2704-3-6 RS-485 Communication Block Diagram The CPU is used for serial communication. And also RS-485 Driver (MAX488), is used t

Rev. 3.02 - 37 -SRP-2704-3-7 Parallel Communication Block Diagram The printer support the bidirectional Parallel Interface with Centronics, Nibble,

Rev. 3.02 - 38 -SRP-270 4-3-9 DIP Switch Circuit The key Board Circuit consist of the scan signal of 4 lines and the return signal of 4-line. The CP

Rev. 3.02 - 39 -SRP-2705. Disassembly and Assembly 5-1 General Precautions on Disassembly This chapter describes the Disassembly and Reassembly pro

Rev. 3.02 - 4 - SRP-2708-2 Handling the Printer ...

Rev. 3.02 - 40 -SRP-2705-3 Cover Assy (SRP-270D Type) 1. Open the Cover Assy and take out the Spool Winding, as shown below. 2. Push the locking lib

Rev. 3.02 - 41 -SRP-2705-5 Case Upper Assy (SRP-270A & SRP-270C Type) 1. Open the cover Assy. 3. Separate the Case Upper from the Case Lower.

Rev. 3.02 - 42 -SRP-2705-6 Case Upper Assy (SRP-270D Type) 1. Push the locking lib to the direction of arrow and remove the Cover Assy, as shown bel

Rev. 3.02 - 43 -SRP-2705-8 Printer Assy (SRP-270D Type) 1. Before you disassembly the Printer Assy, you should remove : - Plate Bottom (see Chapter

Rev. 3.02 - 44 -SRP-2705-10 Main PCB 1. Before you disassembly the Main PCB, you should remove : - Plate Bottom (see Chapter 4-2) - Cover Assy (see

Rev. 3.02 - 45 -SRP-2706. Alignment and Adjustments 6-1 Printer Adjustment When assembling this printer, be sure to refer to the required adjustmen

Rev. 3.02 - 46 -SRP-2707. Troubleshooting 7-1 Power Problem • Check the Power Out on SMPS. • Check the Fuse. • Check the related Pattern. • Check th

Rev. 3.02 - 47 -SRP-2707-8 IEEE 1284 Problem • Check the Control Line (CS3, WR, RD). • Check the 1284 Control Line and Status Line. • Check the Signa

Rev. 3.02 - 48 -SRP-2708. Appendix (Spec of SMP-710/710N) 8-1 Specifications 8-1-1 Printing specifications Item Description Printing method seri

Rev. 3.02 - 49 -SRP-2708-1-2 Character specifications 8-1-2-1 Character sets Item Description Alphanumeric 95 International 32 Graphics 128×7 pages

Rev. 3.02 - 5 - SRP-270 About About this Manual This Service Manual describes how to perform hardware service maintenance for the BIXOLON SRP-270 R

Rev. 3.02 - 50 -SRP-2708-1-3 Paper specifications Item Description Paper types Paper roll: Platen paper or pressure-sensitive paper Paper roll wid

Rev. 3.02 - 51 -SRP-2708-1-4 Ribbon Cassette specifications Compatible Model Color Ribbon life ("1) ERC-38 (B) Black 3 million characters {

Rev. 3.02 - 52 -SRP-2708-1-6 Reliability Item Description MCBF This is an average failure interval based on failures relating to wear out and rando

Rev. 3.02 - 53 -SRP-2708-1-8 Electrical specifications 8-1-8-1 The explanations of the circuit operations 1) Head Carriage Step Motor - It rotates

Rev. 3.02 - 54 -SRP-2708-1-10 Principle of Movement 8-1-10-1 Head Feeding Mechanism This printer is using DC24V PM Type Stepping motor. As shown in

Rev. 3.02 - 55 -SRP-2708-1-10-2 Printing Mechanism When the specified print head drive pulse is input to the drive coil, the iron core is magnetized

Rev. 3.02 - 56 -SRP-2708-1-10-4 Home Position Detection Mechanism The home position detection mechanism consists of the detection protrusion at the

Rev. 3.02 - 57 -SRP-2708-1-10-5 Paper Feeding Paper feeding is performed by conveying the paper feed motor` s rotational power from the paper feed m

Rev. 3.02 - 58 -SRP-2708-1-10-6 Ribbon feeding When the carriage motor rot ate s counter clockwise and the carriage motor gear rotates in the direct

Rev. 3.02 - 59 -SRP-270* Ribbon shifting operation Ribbon shifting action is as follows. As the Carriage Motor rotates clockwise, Head carriage Assy

Rev. 3.02 - 6 - SRP-2701. Precaution Segment Follow these safety, servicing and ESD precautions to prevent damage and to protect against potential h

Rev. 3.02 - 60 -SRP-270[ Description of Timing chart.2 ] When head carriage step motor stops(left →⑬ left) The start position of head carriage ste

Rev. 3.02 - 61 -SRP-2708-2 Handling the Printer 8-2-1 Precautions on Printer Handling 8-2-1-1 Precautions on transport 1) When trans porting this

Rev. 3.02 - 62 -SRP-2708-2-1-3 Precautions on use 1) Since this printer employs magnetic substance (Motor, Solenoid), avoid using it in locations ex

Rev. 3.02 - 63 -SRP-270 8-2-2-2 Precautions on Paper Insertion 1) After cutting the edge of paper straight as shown in figure insert the paper. Whi

Rev. 3.02 - 64 -SRP-2708-2-3 Ribbon Cassette Installation The Ribbon Cassette use must conform to the standards prescribed in the Specifications. Ne

Rev. 3.02 - 65 -SRP-2708-3 Maintenance To ensure the maintenance of this printer at its initial performance level throughout a long product life as

Rev. 3.02 - 66 -SRP-2708-4 Lubricants and Adhesive Application Lubrication and application adhesive plays an important role in maintaining this prin

Rev. 3.02 - 67 -SRP-2708-5 Tools, Lubricants and Adhesives 8-5-1 List of Tools No Tool Designation Availability 1 2 3 4 5 6 7 8 9 10 11 Brush #1

Rev. 3.02 - 68 -SRP-2708-6-3 Repair Guidelines Phenomenon Condition Cause Level Check point & Method Repair Method ①Defective power input t

Rev. 3.02 - 69 -SRP-270 Phenomenon Condition Cause Level Check point & Method Repair Method Defective ⑤input charge pulse B ·Observe by oscil

Rev. 3.02 - 7 - SRP-2701-2 Servicing Precaution WARNING 1: First read the Safety Precaution section of this manual. If some unforeseen circumstan

Rev. 3.02 - 70 -SRP-270 Phenomenon Condition Cause Level Check point & Method Repair Method Wear or ①damage of Lead Cam or the gear A ·Check

Rev. 3.02 - 71 -SRP-270 Phenomenon Condition Cause Level Check point & Method Repair Method Defective ①paper supply A See cause of phenome

Rev. 3.02 - 72 -SRP-270 Phenomenon Condition Cause Level Check point & Method Repair Method Entry of ①solenoid is cut B ·Measure resistant va

Rev. 3.02 - 73 -SRP-2708-6-4 Assignment Connector Pin 8-6-4-1 Connector 30pin * Connector: Head, head carriage/paper feed step motor, solenoid P/E

Rev. 3.02 - 74 -SRP-2708-7 Disassembly To disassemble this printer, perform the assembly procedures described in section 8-8 Assembly in the reverse

Rev. 3.02 - 75 -SRP-2708-8-1 Sub-assemblies 8-8-1-1 Carriage Head Assy Name of Parts Method and Procedure Drawings BE① RIN G FE (2ea) CARRIAGE HE

Rev. 3.02 - 76 -SRP-2708-8-1-4 Lever Tension Belt C Assy Name of Parts Method and Procedure Drawings SHAFT PUL① LEY LEVER TENSION ②BELT PULLEY③ W

Rev. 3.02 - 77 -SRP-2708-8-1-7 Bracket PF “R” Assy Name of Parts Method and Procedure Drawings ①BRACKET P/F “R” ②GEAR PF IDLE ③GEAR KNOB ④GEAR KNO

Rev. 3.02 - 78 -SRP-2708-8-2 Main-assemblies 8-8-2-1 Base Paper Feed Assy - #1 Name of Parts Method and Procedure ①BASE PAPER FEED ②SHAFT TAKE UP

Rev. 3.02 - 79 -SRP-2708-8-2-2 Base Paper Feed Assy - #2 Name of Parts Method and Procedure ①GEAR TAPE UP ②GEAR TU PULLEY ③WASHER BELT GUIDE ④WASHE

Rev. 3.02 - 8 - SRP-2701-3 Precaution for Electrostatically Sensitive Devices (ESDs) 1. Some semiconductor (solid state) devices are easily damaged

Rev. 3.02 - 80 -SRP-2708-8-2-3 Base Paper Feed Assy - #3 Name of Parts Method and Procedure ①SUB PCB ASSY ②SCREW TAPPING (M2*3, 2EA) ③MANUAL CUTTER

Rev. 3.02 - 81 -SRP-2708-8-2-4 Main assembling - #1 Name of Parts Method and Procedure ①FRAME MAIN C/K ASSY-4 ②SERIAL NO. TAG ③TAPE INSULATION ④LEV

Rev. 3.02 - 82 -SRP-2708-8-2-5 Main assembling - #2 Name of Parts Method and Procedure ①GEAR REDUCTION A ②GEAR REDUCTION B ③RIBBON FEEDER ASSY ④GEA

Rev. 3.02 - 83 -SRP-2708-8-2-6 Main assembling - #3 Name of Parts Method and Procedure ①AD LEVER ②SHAFT HEAD GUIDE ③SHAFT HEAD CARRIAGE ④E-RING (ø 3

Rev. 3.02 - 84 -SRP-2708-8-2-8 Main assembling - #5 Name of Parts Method and Procedure ①RIBBON FRAME ②SPRING RIBBON FRAME ③E-RING (ø3, 3EA) 1. Inse

Rev. 3.02 - 85 -SRP-2708-8-3 Adjustment When assembling this printer, be sure to refer to the required adjustment procedure. To ensure normal operat

Rev. 3.02 - 9 - SRP-2702. Installation and Operation 2-1 Installation 2-1-1 AC Adapter Installation 2-1-2 Interface Cable Installation 1. Mack su