Star Micronics TSP200 Series Technical Manual
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Star Micronics TSP200 Series Technical Manual

Star Micronics TSP200 Series Technical Manual

Star micronics technical manual thermal printer tsp200
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THERMAL PRINTER
TSP200 Series
TECHNICAL MANUAL
[SECOND EDITION]

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Summary of Contents for Star Micronics TSP200 Series

  • Page 1 THERMAL PRINTER TSP200 Series TECHNICAL MANUAL [SECOND EDITION]...
  • Page 2 All efforts have been made to ensure the accuracy of the contents of this manual at the time of printing. However, should any errors be found, STAR would greatly appreciate being informed of them. The above notwithstanding, STAR can assume no responsibility for any errors in this manual. © Copyright 1997 Star Micronics Co., LTD.
  • Page 3 This manual describes the thermal printer TSP200 series. It is designed for use as a reference for periodic inspections and maintenance procedures to be executed by service personnel. It is not intended for the general user. Users of this manual should have a basic knowledge and understanding of the English language.

  • Page 5: Table Of Contents

    SPECIFICATIONS AND OPERATION General Specifications ... External Appearance... DIP-Switch Settings ... Using the control panel to adjust the sensors, select the head rank, and set the memory switches..Running a test print ... HEX dump mode... CHAPTER 1...

  • Page 6: Specifications And Operation

    SPECIFICATIONS AND OPERATION – 2 –...

  • Page 7: General Specifications

    General Specifications Printing method Resolution Printable width Printing speeds Printable characters Bar codes Character matrix Interfaces Dimensions Weight Power Power consumption Operating environment Storage environment Automatic paper cutter Life Min. cut length (TSP212) SPECIFICATIONS AND OPERATION Line thermal direct 8 dots/mm (H) 8 dots/mm (V) 72 mm 50 mm/sec (max.) ANK, International...

  • Page 8: External Appearance

    Peripheral unit drive circuit connector Connects to peripheral units such as cash drawers, etc. Do not connect this to a telephone. Fig. 1-2 External Appearance – 4 – [ TSP200-120/230 ] [ TSP200-24 ]...

  • Page 9: Dip-Switch Settings

    DIP-Switch Settings Be sure to turn the power to both the printer and host computer off before changing the setting of the DIP switches. DIP switch DIP switch #1 The factory settings of DIP switch 1 are all on. Switch Baud Rate 2400BPS 4800BPS...

  • Page 10: Using The Control Panel To Adjust The Sensors, Select The Head Rank, And Set

    SPECIFICATIONS AND OPERATION Using the control panel to adjust the sensors, select the head rank, and set the memory switches. Hold down the FEED and ONLINE switches while setting power on, then continue to hold the switches down for the time necessary to enter the required mode, as indicated below.
  • Page 11 “Adjust Paper-Out Sensor” mode. Adjustment is not necessary if the ONLINE lamp is ON when you enter this mode. If the lamp is OFF, the turn VR1 clockwise until it the lamp comes ON. To exit this mode, press ONLINE. To move back to the start of the sequence, press both ONLINE and FEED at the same time.

  • Page 12: Running A Test Print

    SPECIFICATIONS AND OPERATION Running a test print To generate a test print, hold down the FEED switch while setting the power on. HEX dump mode To enter HEX dump mode, hold down the ONLINE switch while setting the power on, and then release the switch after the buzzer beeps once.
  • Page 13 PRINCIPLES OF OPERATION This chapter describes the operating principles of the circuitry and printer mechanism. Block Diagram ... Interface ... 2-1. Interface Types ... 13 2-1-1. RS232 interface ... 13 2-1-2. Parallel interface ... 14 2-2. Data Arrangement and Printing ... 15 2-2-1.
  • Page 14 PRINCIPLES OF OPERATION – 10 –...

  • Page 15: Principles Of Operation

    Block Diagram The following diagram illustrates the relation between the main logic board and its peripherals. Host computer Parallel I/F Gate array Host computer RS232C I/F Power supply unit Main Logic Board EPROM 256K 8 bits PSRAM 128K 8 bits Kanji ROM 512K 8 bits...
  • Page 16 PRINCIPLES OF OPERATION Main Logic Board The main logic board’s CPU passes data transmitted from the host computer into the local RAM. It then reads the data from the RAM, arranges it in accordance with the ROM program, and prints the results by issuing appropriate drive signals to the printer mechanism.

  • Page 17: Interface

    Interface 2-1. Interface Types 2-1-1. RS232 interface FAULT INIT Data flow from host to printer: IC10 receives serial data from the host through RXD, converts the voltage level from RS232C to TTL, and passes the result to the CPU. The CPU converts the serial data to parallel form and stores the result into buffer memory.

  • Page 18: Parallel Interface

    PRINCIPLES OF OPERATION 2-1-2. Parallel interface DATA 1 DATA 2 DARA 3 DATA 4 DATA 5 DARA 6 DATA 7 DATA 8 STROBE BUSY ERROR SELECT PAPER OUT LS05 When the printer is ready (BUSY is LOW), the host computer transmits eight bits of parallel data (DATA1,...,DATA8) to CN4.

  • Page 19: Data Arrangement And Printing

    2-2. Data Arrangement and Printing 2-2-1. Arrangement The CPU reads data sequentially from RAM and arranges this data in accordance with program instructions stored in EPROM. The arranged data is then converted from parallel to serial form. The gate array then outputs the resulting serial data to the drive controller in the thermal printhead.

  • Page 20: Head Current Control

    PRINCIPLES OF OPERATION CHECKER 2-2-3. Head current control Although the thermal printhead has four different STROBE lines, in fact it uses only three strobe signals to control its 576 elements. Specifically, each signal drives 192 of these elements. The signal/element arrangement is shown below. Thermal Printhead Elements STROBE1...
  • Page 21 Strobe signals are output in one of five patterns, depending on the number of dot lines that are simultaneously ON. The following table shows each of the patterns. Figure 2-7 shows the timing for Pattern (5). Number of ON Elements per Dot Line 0 STB1+STB2+STB3 384 193 STB1+STB2+STB3 384 STB1+STB2 192...

  • Page 22: Head Burnout Protection

    PRINCIPLES OF OPERATION CLOCK LATCH COMMON STB1 STB2 STB3 2-2-4. Head current control Heat buildup in the thermal printhead can cause print quality to degrade. To maintain uniform quality, the printer varies the energizing time (time that STROBE remains LOW) in accordance with the head temperature. The print head’s surface temperature is calculated based on the resistance value of the attached thermistor, and energizing time is controlled accordingly.

  • Page 23: Feed-Motor Drive Circuit

    STB1 STB2 STB3 HD ON Trigger 2-3. Feed-Motor Drive Circuit The printer uses a 4-phase step motor (phase 1-2 excitation) to implement paper feed. The motor rotates through a certain angle each time it receives a pulse from the drive circuit. The following diagram illustrates the excitation method. Figure 2-11 shows the feed-motor drive circuit.
  • Page 24 PRINCIPLES OF OPERATION The feed-motor pulse width varies according to the strobe output pattern (where the output pattern is determined by the print rate, as described above). The following diagram shows the pulse width for each pattern. Pattern 1 STB1 STB2 STB3 LF COMMON...

  • Page 25: Power-On Reset Circuit

    2-4. Power-On Reset Circuit The power-on reset signal initializes all elements so as to protect against possible operating errors at power-on. The signal is held for approximately 160ms when power comes on. The reset circuit is shown below. Fig. 2-13 Power-On Reset Circuit RESET IC 1 At power-on, voltage detector IC3 (M51953BL) outputs a LOW signal from its OUT terminal.

  • Page 26: Line Voltage Detector Circuit

    PRINCIPLES OF OPERATION 2-5. +5V Line Voltage Detector Circuit The voltage-detection IC (IC3 in Fig. 2-13) detects momentary drops or unstable levels in the +5V line voltage. The following shows an IC3-equivalent circuit. Figure 2-15 shows the IC’s operational timing. The IC asserts a reset signal at its output terminal when the -5V line voltage falls below 4.25V, thereby resetting the CPU and the gate array.

  • Page 27: Printer Mechanism

    PRINCIPLES OF OPERATION Printer Mechanism 3-1. Thermal Printhead The TSP400 printers utilize thermal line printing. The thermal printhead consists of a horizontal line of 576 heat elements. These elements print one line of dots at a time as the paper passes over the head. The printhead is fixed in position; only the paper moves.

  • Page 28: Detectors

    PRINCIPLES OF OPERATION 3-3. Detectors 1 Paper-Out Detector The paper-out detector (reflective photosensor) is located at the paper entry slit. The photosensor’s phototransistor remains ON while paper is present. It goes OFF when paper runs out, generating output of a paper-out signal. 2 Paper-Near-End Detector The near-end detector is mounted in the paper-roll holder.

  • Page 29: Auto-Cutter Drive Circuit (On Tsp242-24/120/230 Only)

    3 Head-Up Detector This detector senses the position of the thermal printhead. The leaf switch closes when the printhead is in contact with the platen, and opens when the printhead is separated from the platen. 4 Cover-Open Detector This detector senses whether the upper cover is open or closed. The leaf switch closes when the cover closes, and opens when the cover opens.
  • Page 30 PRINCIPLES OF OPERATION <Full Cut> < Full Cut > Switch <Partial Cut> < Partial Cut > Switch 40ms 40ms Fig. 2-23 Auto-Cutter Timing Chart – 26 – 100ms Brake 100ms Brake...
  • Page 31 PART REPLACEMENT AND RELATED ADJUSTMENT This chapter presents printer disassembly and reassembly procedures. Please note the following important points. Always disconnect the power cord from the AC outlet before beginning work. Except where otherwise indicated, the reassembly procedure is the reverse of the disassembly procedure.
  • Page 32 PARTS REPLACEMENT – 28 –...

  • Page 33: Upper Case Unit

    Upper Case Unit Switch off the power, and unplug the power cord from the power outlet. Remove: Cover 1 Four tapping screws 2 Upper case unit 3 Remove the upper case unit by lifting it up and off. Auto-Cutter Unit <Model TSP242-24/120/230 only>...

  • Page 34: Printer Mechanism

    PARTS REPLACEMENT Printer Mechanism <TSP212-24/120/230> Remove the upper case unit (see 1. above), then proceed to (2) below. <TSP242-24/120/230> Remove the auto-cutter unit. (See 2. above.) Remove: Two screws 1 Sub-chassis 2 Guide 3 Two tapping screws 4 Three tapping screws 5 Flat cable 6 Connector Printer mechanism 7...

  • Page 35: Power Unit

    Power Unit (TSP200-120/230) Remove the upper case unit. (See 1. above.) Remove the connector cover 1. Remove the main chassis unit 5 from the lower casing unit 2. Remove: Two screws 3 Cord bushing 4 Connector Power unit 6 from main chassis 5 Power Unit (TSP200-24) Remove the upper case unit.

  • Page 36: Main Logic Board

    Remove the connector cover 1. Remove the main chassis unit 3 from the lower casing unit 2. Remove: Fuses (TSP200-120/230) Remove the main chassis unit from the lower casing unit. (See 5. above.) Check the fuses in the power unit.

  • Page 37: Thermal-Head Unit

    Fuses (TSP200-24) Remove the main chassis unit from the lower casing unit. (See 5. above.) Check the fuses in the power unit. Fuse F1 1 If fuse is blown, replace it with the fuse type indicated below. 5TT3A If the replacement fuse also blows out, replace the power unit or check the main logic board.
  • Page 39 MAINTENANCE AND LUBRICATION Maintenance... 1-1. Cleaning... 35 1-2. Checks ... 35 Lubrication ... 2-1. Lubricants ... 36 2-2. Application Method ... 36 2-3. Lubrication Points ... 36 CHAPTER 4...
  • Page 40 Maintenance Proper maintenance is necessary to maintain printer performance and forestall potential problems. Please carry out maintenance as described below. 1-1. Cleaning Surface dirt Clear away dirt with a soft cloth. If necessary, apply a small quantity of alcohol to the cloth to improve cleaning power.

  • Page 41: Maintenance And Lubrication

    MAINTENANCE AND LUBRICATION Lubrication Proper lubrication is essential for maintaining the printer’s performance level and preventing breakdowns or other problems. 2-1. Lubricants Choice of lubrication can significantly affect the printer’s performance, longevity, and low-temperature characteristics. We recommend the following lubricant for this printer. Type Name Grease...
  • Page 43 Parts List ... 41 Printer Mechanism ... 2-1. Disassembly Drawing... 43 2-2. Parts List ... 45 Cutter Unit ... 3-1. TSP200-120/230 ... 46 3-2. TSP200-24 ... 47 Wiring Scheme of Printer ... 4-1. TSP212/242 ... 48 4-2. TSP212-24/242-24 ... 49 Main Logic Board ...

  • Page 44: Printer Assembly

    Printer Assembly 1-1. Disassembly Drawing 1-1-1. TSP212-120/230 – 38 –...
  • Page 45 1-1-2. TSP242-120/230 – 39 –...
  • Page 46 1-1-3. TSP242-24 – 40 –...

  • Page 47: Parts List

    1-2. Parts List 1-2-1. TSP200-120/230 DRWG.NO. REV. PARTS NO. 37300011 37309010 37309030 37309040 32010011 32010012 32010030 37437010 37437110 30722000 32010050 37432200 32043500 33020500 37437400 33900060 38420000 38420100 37432000 32043210 32043220 33020022 33020060 37431000 83911720 04991204 04991204 04991220 00926603 00926803 01902618...
  • Page 48 1-2-2. TSP200-24 DRWG.NO. REV. PARTS NO. 37300011 37439000 32010130 32010030 37437010 37437110 30722000 32010050 37432200 32043500 33020500 37437400 33900070 38420400 38420300 37432010 32043210 32043220 33020170 33020091 37431050 83911720 04991204 30781130 30781140 30781150 30781160 00926603 00926803 01902618 01903058 01903059 01903101 09990713...

  • Page 49: Printer Mechanism

    Printer Mechanism 2-1. Disassembly Drawing 2-1-1. TSP212 24 16 – 43 –...
  • Page 50 2-1-2. TSP242 24 16 – 44 –...

  • Page 51: Parts List

    2-2. Parts List DRWG.NO. REV. PARTS NO. 37440400 FRAME ASSY 33910070 PAPER GUIDE A 33900050 SUB-GUIDE 33210020 HOLDER ROLLER 30365020 HOLDER ROLLER SHAFT 37447000 DETECTOR UNIT 32025030 SET COVER 31360000 STAY 30375010 PLATEN 33490020 HEAD-UP LEVER 04310403 OILESS BUSHING F4X6X5 33910080 PAPER GUIDE B 32490020...

  • Page 52: Cutter Unit

    Cutter Unit 3-1. TSP200-120/230 DRWG.NO. REV. PARTS NO. 04991512 CUTTER 4022-24V 32025040 CUTTER EJECT COVER 45049930 POLARITY LABEL 32045430 CUTTER GUIDE A 32045440 CUTTER GUIDE B 37433500 CUTTER SUPPORT R ASSY 37433510 CUTTER SUPPORT L ASSY 00820304 SCREW TR 2-3 00626404 SCREW TR 2.6-4...
  • Page 53 3-2. TSP200-24 DRWG.NO. REV. PARTS NO. 04991516 30990240 30040020 32045470 37433530 37433520 00926503 01902018 PARTS NAME CUTTER ACS-230STR PAPER GUIDE TSP2 MOUSE PLATE F2 TSP2 CUTTER GUIDE C TSP2 CUTTER SUPPORT L ASSY TSP2A CUTTER SUPPORT R ASSY TSP2A SCREW TAT 2.6-5 CT SCREW TAT 2-4 –...

  • Page 54: Tsp200-120/230

    Wiring Scheme of Printer 4-1. TSP200-120/230 ( 36 PIN ) CENTRONICS CONNECTOR FOR PARALELL I/F ( 9 PIN ) DSUB CONNECTOR FOR SERIAL I/F COVER OPEN SW HEAD UP SW PAPER END SENSOR PAPER NEAR END SENSOR TR(E) MAIN LOGIC BOARD...

  • Page 55: Tsp200-24

    4-2. TSP200-24 ( 36 PIN ) CENTRONICS CONNECTOR FOR PARALELL I/F ( 9 PIN ) DSUB CONNECTOR FOR SERIAL I/F COVER OPEN SW HEAD UP SW PAPER END SENSOR PAPER NEAR END SENSOR TR(E) MAIN LOGIC BOARD STROBE DATA1 DATA2...

  • Page 56: Main Logic Board

    Main Logic Board 5-1. Circuit Diagram Main Logic Board (1/6) – 50 –...
  • Page 57 Main Logic Board (2/6) – 51 –...
  • Page 58 Main Logic Board (3/6) – 52 –...
  • Page 59 Main Logic Board (4/6) – 53 –...
  • Page 60 Main Logic Board (5/6) – 54 –...
  • Page 61 Main Logic Board (6/6) – 55 –...

  • Page 62: Component Layout

    5-2. Component Layout – 56 –...

  • Page 63: Parts List

    5-3. Parts List DRWG.NO. REV. PARTS NO. 08251008 08201013 IC-LIN UPC393G2*T1 08200109 IC-RESET M51953BL 08240076 GATE ARRAY D65622GF-TSP 08210126 TTL IC 74LS05FP*EL 08231054 CMOS 08222047 EEPROM KM93C46 08222095 EPROM 09110121 IC SOCKET DILB-32P-8J 08221049 PSRAM 08221062 PSRAM IC10 08200157 IC-I/F ADM232LJR*SOL16 IC11 08201013 IC-LIN UPC393G2*T1...
  • Page 64 DRWG.NO. REV. PARTS NO. C36-41 CRA1-3 06542211 RESIS. ARRAY CHIP V8V221J CRA4-8 06544711 RESIS. ARRAY CHIP V8V471J CRA9-10 06542211 RESIS. ARRAY CHIP V8V221J D1-2 08000047 DIODE CHIP DCB010 08000068 DIODE CHIP MC2836 D4-5 08000059 DIODE CHIP MC2840 D7-9 08000091 DIODE DSM1SD2*A 07603017 DIGITAL TRANSISTOR FN1A4P DT2-4...
  • Page 65 DRWG.NO. REV. PARTS NO. R45-53 06754721 CHIP RESISTOR 4.7 K-OHM 1/10W 06751021 CHIP RESISTOR 06751014 CHIP RESISTOR 100 OHM 1/10W R56-58 06754711 CHIP RESISTOR 470 OHM 1/10W 06751031 CHIP RESISTOR 10 K-OHM 1/10W R60-61 06751031 CHIP RESISTOR 10 K-OHM 1/10W R62-63 06754711 CHIP RESISTOR 470 OHM 1/10W...
  • Page 66 DRWG.NO. REV. PARTS NO. 09100567 CONNECTOR 95003-2661 09100038 CONNECTOR 5045-05A CN10 09100317 CONNECTOR 5483-04A CN11 PARTS NAME Q’TY – 60 – Main Logic Board REMARKS RANK TSP242/242-24 NOT MOUNTED...

  • Page 67: Power Supple Unit (120Vac/230Vac)

    Power Supple Unit (120VAC/230VAC) 6-1. Circuit Diagram – 61 –...

  • Page 68: Parts List

    6-2. Parts List DRWG.NO. REV. PARTS NO. 08202025 IC-REG 7573B 08990227 DIODE STACK D3SB20 06214721 RN RESISTOR 4.7 K-OHM 1W 06230031 RN RESISTOR 0.33 OHM 3W 06230021 RN RESISTOR 0.22 OHM 3W 06201022 RN RESISTOR 1 K-OHM 2W 05291045 FILM CAPA. C2-3 05192224 CERA.

  • Page 69: Power Supple Unit (24Vdc)

    Power Supple Unit (24VDC) 7-1. Circuit Diagram 7-2. Component Layout 7-3. Parts List DRWG.NO. REV. PARTS NO. 08202048 IC-REG SI-8401L 08020090 ZENER DIODE RD7.5EB1T 05043387 CHEM. CAPA. 3300UF 05014775 CHEM. CAPA. 09030036 SEESAW SWITCH SF-W1P1A03BB 09991011 FUSE 5TT3A 250V 09991024 FUSE HOLDER EYF52BC 09100636 CONNECTOR TCS7960-53-2010...

  • Page 70: Paper Near-End Sensor

    Paper Near-End Sensor 8-1. Circuit Diagram 8-2. Parts List DRWG.NO. REV. PARTS NO. 07227853 TRANSISTOR 2SC1740SE 08300082 PHOTO-INTERRUPTER PS6002A-KS 06051235 RD RESISTOR 12 K-OHM 1/6W 06057514 RD RESISTOR 750 OHM 1/6W 06053324 RD RESISTOR 3.3 K-OHM 1/6W 05532234 CAPACITOR 0.022UF 25V 30721241 CABLE UNIT 3X270C C1740...
  • Page 72 ELECTRONIC PRODUCTS DIVISION STAR MICRONICS CO., LTD. 536 Nanatsushinya, Shimizu, Shizuoka, 424-0066 Japan Tel : 0543-47-0112 Fax : 0543-48-5271 Please access the following URL http://www.star-micronics.co.jp/service/t_mans_e.htm for the lastest revision of the manual. Distributed by OVERSEAS SUBSIDIARY COMPANIES STAR MICRONICS AMERICA, INC.

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