Instruction/ maintenance manual of the product SRP-270 BIXOLON
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Service Manual SRP-270 Imp act Printer Rev . 3.02 http://www .samsungminiprinters.com.
Rev. 3.02 - 2 - SRP-270 ■ Table of Contents 1. Precaution Segment .......................................................................................................... .......................... 6 1-1 Safety Pr ecautions .......................
Rev. 3.02 - 3 - SRP-270 4. Hard ware .................................................................................................................................................... 29 4-1 Wiring Diagram ...........................................
Rev. 3.02 - 4 - SRP-270 8-2 Handling t he Prin ter ............................................................................................................................... 61 8-2-1 Precautions on Printer Handling ...............................
Rev. 3.02 - 5 - SRP-270 ■ About About this Manual This Service Manual describes how to perform hardw are service maintenance for the BIXOLON SRP-270 Receipt Printer. Notes Notes may appear any where in the manual. Th ey draw your attention to additional info rmation about the item.
Rev. 3.02 - 6 - SRP-270 1. Precaution Segment Follow these safety , servici ng and ESD precautions to prevent damage an d to protect against potential hazards such as electrical shock. 1-1 Safety Precautions 1. Be sure that all of the built-in protective devices are replaced.
Rev. 3.02 - 7 - SRP-270 1-2 Servicing Precaution WARNING 1: First read the Safet y Precauti on sec tion of this manual. If some unforeseen circumstance creates a conflict bet ween the servicing and safety precautions, always follow the safety precaution.
Rev. 3.02 - 8 - SRP-270 1-3 Precaution for Electrost atically Sensitive Devices (ESDs) 1. Some semiconductor (solid state) devi ces are eas ily damaged by static electricity. Such compone nts are called Electrostatically Sensitive Devices (ESDs); ex amples include integrated circuits and some field- effect transistors.
Rev. 3.02 - 9 - SRP-270 2. Inst allation and Operation 2-1 Inst allation 2-1-1 AC Adapter Installation 2-1-2 Interface Cable Installation 1. Mack sure the printer is turned off with the “Off” side of the switch is pressed down.
Rev. 3.02 - 10 - SRP-270 2-1-5 Paper Roll Installation 1. Using a new roll paper , unr oll the paper and cut the end as shown. 2. In case of Model 270C/D, open Auto Cutter on the power ON. 3. Auto feeding one paper . 4. Put first paper into Auto Cutter , set second paper rolling S pool Winding to Lower Case.
Rev. 3.02 - 11 - SRP-270 2-2 Operation 2-2-1 Setting the DIP s w itches The DIP switches are located on the bottom of the printer . The DIP switches are us ed to set the printer to perform various functions. Follow these when changing DIP switches setting : 1.
Rev. 3.02 - 12 - SRP-270 2-2-3 Setting the DIP s w itch (IEEE1284 Parallel, USB Interface ) • DIP Switch 1 SW FUNCTION ON OFF DEF AUL T 1 OFF 2 Emulation Selection Refer to the following T abl e 1 O.
Rev. 3.02 - 13 - SRP-270 2-2-4 Hexadecimal Dumping This feature allows experience d users to see exactly what data is coming to the printer . This can be useful in finding software problem s.
Rev. 3.02 - 14 - SRP-270 (A) Serial Self-T est Sheet (B) Parallel Self-T est Sheet.
Rev. 3.02 - 15 - SRP-270 (A) Serial Self-T est Sheet (B) Parallel Self-T est Sheet.
Rev. 3.02 - 16 - SRP-270 3. Product S pecifications 3-1 Appearance 3-1-1 Printer Dimensions (mm) Figure 3-1 Printer Dimension 3-1-2 AC Adapter Dimensions (mm) Figure 3-2 Adapter Dimension.
Rev. 3.02 - 17 - SRP-270 3-1-3 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-Control 5. Power Switch 6. Bracket DIP Switch 9a.RS-232C/RS-485 (Se rial I/F Connector) 9b.IEEE-1284(Parallel I/F Connector) 9c.
Rev. 3.02 - 18 - SRP-270 3-2 General S pecifications Item Description Remark Product • SRP-270 : RS-232 Serial Communication • SRP-270S : RS-485 Serial Communication • SRP-270P : IEEE1284 Parall.
Rev. 3.02 - 19 - SRP-270 3-3-2 Character Speci fication Item Description Remark H 0.3175 mm Dot Interval V 0.3528 mm Font T ype ASCII Chinese Print Font 9 x 9 7 x 9 16 x 16 Printing Columns 33 40 - Character Size (mm) 3.2 x 1.7 3.2 x 1.4 5.7 x 3.0 Column Interval (mm) 2.
Rev. 3.02 - 20 - SRP-270 3-3-4 Printer Head Specification Item Description Remark Model • DH400-G10 S pecification • T ype: Ballistic T ype (Free Fight) • Number of Wire: 9Pin Solenoid Coil • Resistance: 10W ± 15% • Inductance: 4.5mH ± 1 5% (Open Circuit) • T emperature Rate: 155 Deg.
Rev. 3.02 - 21 - SRP-270 3-3-9 Ribbon Cassette Sp ecification Item Description Remark S tandard • ERC-38 (Black / Red) Color • Black & Red Size • 13 mm (W) x 6 mm (L) Life • ERC-38 (B/P): .
Rev. 3.02 - 22 - SRP-270 3-5 Interface S pecifications 3-5-1 RS-232 C Serial Interface 3-5-1(a) Spe cification Item Description Remark Data T ransmission • Serial Synchronization • Asynchronous Ha.
Rev. 3.02 - 23 - SRP-270 3-5-1(c) Cable Connection Figure 3-7 RS-232C Cable Con nection 3-5-1(d) Signal Description Pin No. Signal name Direction Function 1 FG - Frame Ground 2 TxD Output T ransmit Da.
Rev. 3.02 - 24 - SRP-270 3-5-1(f) S/W Flow Control When XON/XOFF flow control is selected, the printer transmit s XON(ACSII 1 1h) or XOFF(ASCII 13h) signal through the T XD line. If the Printer is BUSY , the Prin ter transmits XOFF(AS CII 13h) to host through the TXD line.
Rev. 3.02 - 25 - SRP-270 3-5-2(d) Signal Description Pin No. Signal name Direction Function 1 Frame GND - Frame Groun d 2 SD2 Output 3 SD1 Output Send Data ”H” : SD1 > SD2 , “L” : SD1 < SD2 4 RD2 Input 5 RD1 Input Receive Dat a ”H” : RD1 > RD 2 (RD1-RD2 ≥ 0.
Rev. 3.02 - 26 - SRP-270 3-5-3(b) Reverse Mode S pecification (Nibble / Byte mode) Data transmi ssion from the printer to the host computer . The ST A TUS data transmission fro m the printer to the host computer is accomplished in the Nibble or Byte mode.
Rev. 3.02 - 27 - SRP-270 3-5-4 USB2.0 Interfa ce SRP-270 support the USB (Unive rsal Serial Bus) Serial Communication. 3-5-4(a) Spe cification Item Description Remark T ransfer T ype • BUL K Data Si.
Rev. 3.02 - 28 - SRP-270 3-6 Cash Drawer S pecifications 3-6-1 Cash Drawer Cable Ferrite Core : 1 turn (OP-18E : 18.2 x 12.5 x 25.5) Figure 3-12 Cash Drawer Cable 3-6-2 Cable Connection Pin No.
Rev. 3.02 - 29 - SRP-270 4. Hardware 4-1 Wiring Diagram [Figure 4-1 Board Wiri ng Diagram].
Rev. 3.02 - 30 - SRP-270 4-2 Block Diagram [Figure 4-2 Block Diagram].
Rev. 3.02 - 31 - SRP-270 4-3 S pecial Circuit Descriptions 4-3-1 Power Circuit This system is operated un der 1 10V ac or 230V ac. The power circuit supplies the three dif ferential DC volt age sources. [Figure 4-3 Power Block Di agram] 1) Drawer Driv ing and Feed, Auto Cutter Motor V olt age : +24Vdc +24VDC is supplied from SMPS.
Rev. 3.02 - 32 - SRP-270 4-3-2 RESET Circuit Reset signal is a signal in o rder to start-u p CPU under Power-on. Re set circuit uses a reset ICTL770 5ACD (U5). When +5Vdc is fallen under 4.3V dc by Power-of f, reset signal prohibit s the system from misoperating by lowering down to 0V .
Rev. 3.02 - 33 - SRP-270 4-3-3 Cash Drawer Circuits The circuit is used for open ing cash drawer and driv en by the Q8 (ST A471). When its st ate is high level signal, Q8 (ST A471) drive the solenoid to open the cash drawer .
Rev. 3.02 - 34 - SRP-270 4-3-4 I/F PBA Detect Block Diagr am When the printer is ON, the printer ch ecks what kind of the I/F PBA is install ed. After detection, the CPU specify the I/O port properly . The followi ng is the method of I/F PBA detection.
Rev. 3.02 - 35 - SRP-270 4-3-5 RS-232C Communi cation Block Diagram The CPU is used for se rial communication. And also RS-232C Driver (MAX232), is use d to serial communication.
Rev. 3.02 - 36 - SRP-270 4-3-6 RS-485 Communica tion Block Diagram The CPU is used for se rial communication. And also RS-485 Driver (MAX488), is used to se rial communication.
Rev. 3.02 - 37 - SRP-270 4-3-7 Parallel Communication Block Diagram The printer support the bidirectional Parallel In terface with Centroni cs, Nibble, Byte Mode.
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 si gnal of 4-line. The CPU sends repeatedly and continuousl y the scan data R1, 2, 3, 5 through P10.
Rev. 3.02 - 39 - SRP-270 5. Disassembly and Assembly 5-1 General Precautions on Disassembly This chapter describe s the Disassembly and Re assembly procedures for the Pri nter of SRP-270 Series. This Printer contains ele ctronically sensitive device. Use caution when handling any componen t.
Rev. 3.02 - 40 - SRP-270 5-3 Cover Assy (SRP-270D T ype) 1. Open the Cover Assy and take out the S pool Winding, as shown below . 2. Push the locking lib to the direction of arrow and remove the Cover Assy , as shown below . 5-4 Cover Assy (SRP-270A & SRP-270C T ype) 1.
Rev. 3.02 - 41 - SRP-270 5-5 Case Upper Assy (SRP-270A & SRP-270C T ype) 1. Open the cover Assy . 3. Separate the Case Upp er from the Case Lower .
Rev. 3.02 - 42 - SRP-270 5-6 Case Upper Assy (SRP-270D T ype) 1. Push the locking lib to the direction of arrow and remove the Cover Assy , as shown below . 2. Remove four screws securing the Case Upper . Separate the Ca se Upper from the Case Lower .
Rev. 3.02 - 43 - SRP-270 5-8 Printer Assy (SRP-270D T ype) 1. Before you disassembly the Printer Assy , you should remove : - Plate Bottom (see Chapter 4-2) - Cover Assy (see Chapter 4-3 & 4-4) - Case Upper Assy (see Chapter 4-6) 2. Remove the S pool Gear and Belt, as shown below .
Rev. 3.02 - 44 - SRP-270 5-10 Main PCB 1. Before you disassembly the Main PCB, you should remove : - Plate Bottom (see Chapter 4-2) - Cover Assy (see Chapter 4-3 & 4-4) - Case Upper Assy (see Chapter 4-6) - Printer Assy (see Chapter 4-7 & 4-8) 2.
Rev. 3.02 - 45 - SRP-270 6. Alignment and Adjustment s 6-1 Printer Adjustment When assembling this printer, be sure to refer to the requi red adjustment procedure. To ensure normal operation of the printer after disasse mbly or repl acement of a Component for maintenan ce or repair.
Rev. 3.02 - 46 - SRP-270 7. T roubleshooting 7-1 Power Problem • Check the Power Out on SMPS. • Check the Fuse. • Check the related Pattern. • Check the IC34063. 7-2 System Problem • Check the Reset p art (IC & Pattern) • Check the Clock on FS741 (14.
Rev. 3.02 - 47 - SRP-270 7-8 IEEE 1284 Problem • Check the Control Line (CS3, WR, RD). • Check the 1284 Control Line and S tatus Line. • Check the Signal of ICs (U3, U6, U5) • Check the related Circuit and Pattern on I/F PBA. • Check the 1284 Control, S tatus Data L ine.
Rev. 3.02 - 48 - SRP-270 8. Appendix (Spec of SMP-710/710N) 8-1 S pecifications 8-1-1 Printing specifications Item Description Printing method serial imp art dot-matrix Head wire configuration 9-pin serial type Dot pitch 0.352mm(1/72") Dot wire diameter 0.
Rev. 3.02 - 49 - SRP-270 8-1-2 Character spe cifications 8-1-2-1 Character set s Item Description Alphanumeric 95 International 32 Graphics 128×7 pages 8-1-2-2 Character structu re * 7×9 with 400 half-dot positions per line. * 9×9 with 400 half-dot positions per line.
Rev. 3.02 - 50 - SRP-270 8-1-3 Paper specifications Item Description Paper types Paper roll: Platen paper or pressure-sen sitive paper Paper roll wid th 76±0.
Rev. 3.02 - 51 - SRP-270 8-1-4 Ribbon Cassette sp ecifications Compatible Model Color Ribbon life ("1) ERC-38 (B) Black 3 million characters {w ith continuous printing at 25 (77°F)} ℃ ERC-38 (B/R) Black and Red Black: 1.
Rev. 3.02 - 52 - SRP-270 8-1-6 Reliability Item Description MCBF This is an average failure interval based on fa ilures relating to wear out and random failure s up to the life of 18 million lines.
Rev. 3.02 - 53 - SRP-270 8-1-8 Electrical specifications 8-1-8-1 The e xplanations of the circuit operations 1) Head Carriage S tep Motor - It rotates and moves the Dot Head by usin g the several gears an d synchronous belt - Print S peed : 4.6 Line/Sec - This step m otor is control by const ant current method.
Rev. 3.02 - 54 - SRP-270 8-1-10 Principle of Movement 8-1-10-1 Head Feeding Mecha nism This printer is using DC24V PM T ype S tepping motor . As shown in figure the motor section co nsists of the motor . Motor speed control IC, motor drive/brake circuit and motor speed interface.
Rev. 3.02 - 55 - SRP-270 8-1-10-2 Printing Mechani sm When the specified print head drive pul se is input to the drive coil, the iron core is magnetize d, and the actuating plate is pulled in the dire ction of arrow A.
Rev. 3.02 - 56 - SRP-270 8-1-10-4 Home Position Detection Me chanism The home position detection mech anism consist s of t he detection protrusion at the left side of the carriage sub assembly and the sensor su b assembly at the le ft side of the base frame.
Rev. 3.02 - 57 - SRP-270 8-1-10-5 Paper Feeding Paper feeding is performed by conveying the pape r f eed motor` s rotational power from the paper feed m otor gear through the paper fee d reduction gear, paper fe ed gear, and paper fed roller.
Rev. 3.02 - 58 - SRP-270 8-1-10-6 Ribbon feedin g When the carriage motor rot ate s cou nter clockwise and the carriage motor g ear rotates in the direction of arrow A, the Gear Reduction B' Gear Redu ction A Gear Reduction B, rotate in the directions of arrows B, and C, B' respectively.
Rev. 3.02 - 59 - SRP-270 * Ribbon shifting operation Ribbon shifting action is as follows. As the Carriage Motor rotates clo ckwise, Head carria ge Assy moves from left to right. Whe n you'd like to change from red color to black col or you should shift Head carri age Assy as shows in figure timing cha rt.
Rev. 3.02 - 60 - SRP-270 [ Description of T iming chart.2 ] When head carriage step motor sto ps(lef t → ⑬ left) The st art position of head carria ge step motor from right to left ⑭ When fir .
Rev. 3.02 - 61 - SRP-270 8-2 Handling the Printer 8-2-1 Precautions on Printer Handling 8-2-1-1 Precautions on transport 1) When trans porting this printer. It’s proper h andlin g method is to support both side of Frame main with both hands. 2) When trans porting this printer.
Rev. 3.02 - 62 - SRP-270 8-2-1-3 Precautions on use 1) Since this printer employs magneti c substance (Mot or, Solenoid), avoid using it in locations exposed to excessive iron filings, dirt, dust or other foreign p articles. 2) Never perform a printing operatio n without the paper and ri bbon installed.
Rev. 3.02 - 63 - SRP-270 8-2-2-2 Precautions on Pap er Insertion 1) After cutting the edge of paper straight as shown in figure insert the paper. Which is described on next figure. 2) Insert the paper straight in to the paper entra nce section. 3) The end of the paper wh ich is crinkled and ben ded, should not be inserted.
Rev. 3.02 - 64 - SRP-270 8-2-3 Ribbon Cassette Installation The Ribbon Cassette use must conform to the standards prescribe d in the Specifications. Never use non-standa rd types, because such use may resu lt in such trouble as the malfunctio n of printing quality.
Rev. 3.02 - 65 - SRP-270 8-3 Maintenance To ensure the maintenance of this prin ter at its initial performance level throug hout a long product life as well as preventing potential troubles, be sure to perform maintenance and managem ent according to the points described in the following subsectio ns.
Rev. 3.02 - 66 - SRP-270 8-4 Lubricant s and Adhesive Appli cation Lubrication and application adhe sive plays an important role in maintaining thi s printer at its initial performance level, throughout a long pro duct life as we ll as preventing potential troubles.
Rev. 3.02 - 67 - SRP-270 8-5 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 Brush #2 Cleaning brush Screwdriver (+) No.2 Tweezers Round pliers Diagonal cutting nipper Electric Soldering iron Thickness gauge ET holder #2.
Rev. 3.02 - 68 - SRP-270 8-6-3 Repair Guidelines Phenomenon Condition Cause Level Check point & Method Repair Method ① Defective power input to motor B ·Check the input power ·Check the input .
Rev. 3.02 - 69 - SRP-270 Phenomenon Condition Cause Level Check point & Method Repair Method Defective ⑤ input charge pulse B ·Observe by oscilloscope to check if the input charge pulse is with.
Rev. 3.02 - 70 - SRP-270 Phenomenon Condition Cause Level Check point & Method Repair Method Wear or ① damage of Lead Cam or the gear A ·Check the teeth of each gear and of the Lead Cam for wear and damage ·If worn or damaged, replace the defective gear or the Lead Cam 5.
Rev. 3.02 - 71 - SRP-270 Phenomenon Condition Cause Level Check point & Method Repair Method Defective ① paper supply A See cause of phenomenon 1 ① Deformation ② of the Spring Roller B See c.
Rev. 3.02 - 72 - SRP-270 Phenomenon Condition Cause Level Check point & Method Repair Method Entry of ① solenoid is cut B ·Measure resistant value between terminal of solenoid resistance: S ome 70±10% (25 ) ℃ ·In case cutting substitute solenoid 12.
Rev. 3.02 - 73 - SRP-270 8-6-4 Assignment Connector Pin 8-6-4-1 Connector 30pin * Connector: Head, head carri age/paper feed step motor, solenoid P/E senso r, control * Model: 1.
Rev. 3.02 - 74 - SRP-270 8-7 Disassembly To disassemble this printer, perfo rm the assembly procedures described in section 8-8 Asse mbly in the reverse sequence. First, the main assembly blocks are disasse mbled and divided into the sub-assembly blocks, then each of the individual blocks is disassembled.
Rev. 3.02 - 75 - SRP-270 8-8-1 Sub-assemblies 8-8-1-1 Carriage Head Assy Name of Parts Method and Procedure Drawings BE ① RIN G FE (2ea) CARRIAGE HEAD ② 1. At first, set the BERIN G FE ① to be inserted into the shaft of JIG. * Notice: The direction of insert is to locate frange downward.
Rev. 3.02 - 76 - SRP-270 8-8-1-4 Lever Tension Belt C Assy Name of Parts Method and Procedure Drawings SHAFT PUL ① LEY LEVER TENSION ② BELT PULLEY ③ WASHER ④ (2.6*5.0*0.5) 1. At first, grease SHAFT PULLEY ① with HG-31S. 2. Next insert PULLEY and then ③ assemble WASHER (2.
Rev. 3.02 - 77 - SRP-270 8-8-1-7 Bracket PF “R ” Assy Name of Parts Method and Procedure Drawings ① BRACKET P/F “R” ② GEAR PF IDLE ③ GEAR KNOB ④ GEAR KNOB IDLE ⑤ WASHER (1.6*3*0.3) 1. At first, grease the small shaft of BRACKET P/F “R” with EM ① -501.
Rev. 3.02 - 78 - SRP-270 8-8-2 Main-assemblies 8-8-2-1 Base Paper Feed Assy - #1 Name of Parts Method and Procedure ① BASE PAPER FEED ② SHAFT TAKE UP ③ TAPE CUSION ④ RUBBER PLATE (2EA) ⑤ PLATEN ASSY ⑥ SCREW SPECIAL (M2.
Rev. 3.02 - 79 - SRP-270 8-8-2-2 Base Paper Feed Assy - #2 Name of Parts Method and Procedure ① GEAR TAPE UP ② GEAR TU PULLEY ③ WASHER BELT GUIDE ④ WASHER (2.6*5*0.5) ⑤ BRACKET PF L ⑥ SCREW TAPPING (M3*6, 6EA) ⑦ GUIDE PAPER A ⑧ GUIDE PAPER B 1.
Rev. 3.02 - 80 - SRP-270 8-8-2-3 Base Paper Feed Assy - #3 Name of Parts Method and Procedure ① SUB PCB ASSY ② SCREW TAPPING (M2*3, 2EA) ③ MANUAL CUTTER ④ SCREW (M3*6, 2EA) ⑤ PLATEN PAPER GUIDE ⑥ SHAFT HOLE ROLLER ⑦ HOLE ROLLER (2EA) ⑧ SPRING HOLD ROLLER (2EA) 1.
Rev. 3.02 - 81 - SRP-270 8-8-2-4 Main assembling - #1 Name of Parts Method and Procedure ① FRAME MAIN C/K ASSY-4 ② SERIAL NO. TAG ③ TAPE INSULATION ④ LEVER COLOR CHANGE ⑤ SOLENOID ASSY ⑥ SPRING SOLENOID ⑦ SCREW MACHINE (M2*3) ⑧ GEAR PULLEY ASSY WASHER (ø2.
Rev. 3.02 - 82 - SRP-270 8-8-2-5 Main assembling - #2 Name of Parts Method and Procedure ① GEAR REDUCTION A ② GEAR REDUCTION B ③ RIBBON FEEDER ASSY ④ GEAR REDUCTION “C ” ⑤ LEVER RIBBON FEED ASSY ⑥ WASHER (ø 2.
Rev. 3.02 - 83 - SRP-270 8-8-2-6 Main assembling - #3 Name of Parts Method and Procedure ① AD LEVER ② SHAFT HEAD GUIDE ③ SHAFT HEAD CARRIAGE ④ E-RING (ø 3) ⑤ HEAD PRINT ⑥ SCREW (M3*10, 2EA) ⑦ BRACKET HEAD COVER “L” ⑧ BRACKET HEAD COVER “R” ⑨ SCREW MACHINE (M2.
Rev. 3.02 - 84 - SRP-270 8-8-2-8 Main assembling - #5 Name of Parts Method and Procedure ① RIBBON FRAME ② SPRING RIBBON FRAME ③ E-RING (ø3, 3EA) 1. Insert ⓐ SPRING RIBBON FRAME into the hole in left side of ⓑ RIBBON FRAME to ward arrow on shows in Fig.
Rev. 3.02 - 85 - SRP-270 8-8-3 Adjustment When assembling this printer, be sure to refer to the requi red adjustment procedure. To ensure normal operation of the printer after disasse mbly or repl acement of a Component for maintenan ce or repair. Be sure to perform along to the require d method.
An important point after buying a device BIXOLON SRP-270 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought BIXOLON SRP-270 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data BIXOLON SRP-270 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, BIXOLON SRP-270 you will learn all the available features of the product, as well as information on its operation. The information that you get BIXOLON SRP-270 will certainly help you make a decision on the purchase.
If you already are a holder of BIXOLON SRP-270, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime BIXOLON SRP-270.
However, one of the most important roles played by the user manual is to help in solving problems with BIXOLON SRP-270. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device BIXOLON SRP-270 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
