TSC TTP 243 Pro Service Manual
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TSC TTP 243 Pro Service Manual

Thermal transfer / direct thermal
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TTP 243 Pro/ 243E Pro/ 342 Pro
THERMAL TRANSFER / DIRECT THERMAL
BAR CODE PRINTER
TTP/TDP 244/342
TTP/TDP 244
Service Manual

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Summary of Contents for TSC TTP 243 Pro

  • Page 1 TTP 243 Pro/ 243E Pro/ 342 Pro THERMAL TRANSFER / DIRECT THERMAL BAR CODE PRINTER Service Manual TTP/TDP 244/342 TTP/TDP 244...

  • Page 2: Table Of Contents

    TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer Table of Contents FUNDAMENTALS ABOUT THE SYSTEM ..............1 1.1 Features of the TTP-243 Series ................. 1 1.2 Model Naming Syntax ....................1 1.3 Overview ........................2 1.3.1 Front View ......................2 1.3.2 Rear View ......................
  • Page 3 TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 4.11 Platen Replacement ....................32 5. TROUBLE SHOOTING ....................35 5.1 Trouble Shooting ...................... 35 5.2 Calibrate the Gap Register ..................36 5.3 Self-test ........................36 5.4 Ram Clear ........................ 36 5.5 Diagnosis Operation Procedure ................

  • Page 4: Fundamentals About The System

    TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 1. FUNDAMENTALS ABOUT THE SYSTEM 1.1 Features of the TTP-243 Series 1. This bar code printer prints bar codes, characters, logos, on various types of labels and tickets by direct thermal or thermal transfer printing. 2 This printer adopts a “BASIC-like”...

  • Page 5: Overview

    TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 1.3 Overview 1.3.1 Front View 1. Cover Release Button 2. PWR., ON-LINE and ERR. Indicators 3. PAUSE Button 4. FEED Button 5. Label Dispense Opening 6. Liner Opening (For use with peel-off function/ Not available for 243E series printer)

  • Page 6: Rear View

    TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 1.3.2 Rear View 1. Power On/Off Switch 2. Power Supply DC Jacket 3. RS-232C Interface Connector 4. USB Interface Connector 5. Label Insert Opening (For use with external media) 6. Centronics Interface Connector (Factory option)

  • Page 7: Basic Specifications

    TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 1.4 Basic Specifications  Thermal transfer and direct thermal printing  High dot density printing (243 Pro series: 203 dots/inch, 342 Pro series: 300 dots/inch) Selectable print speeds at 1.5”, 2.0” or 3.0” per second (243 Pro series: 1.5, 2 and 3 ips / ...
  • Page 8 TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer Host Function 9 Pin 25 Pin 9 Pin Printer Function...

  • Page 9: Effective Print Area

    TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 1.5 Effective Print Area Label/Ticket Length 12mm~2286mm Effective Print 10mm~2284mm Length Label/Ticket Width 25mm~103mm Effective Print Width 23mm~101mm No Print Area 1.6 Available Bar Codes 1D bar code Code 39, Code 93, Code128UCC, Code128 subsets A.B.C, Codabar, Interleave 2 of 5, EAN-8, EAN-13, EAN-128, UPC-A, UPC-E, EAN and UPC 2(5) digits add-on, MSI, PLESSEY, POSTNET, RSS-Stacked, RSS14, Code 11, China Post 2D bar code...

  • Page 10: Various Sensors

    TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 1.7 Various Sensors Feed Gap Sensor The feed gap sensor detects a label gap to locate the starting print position of the next label. The sensor is mounted 4 mm off the center line of the main mechanism. In case of Label Black Mark Sensor The black mark sensor locates the position of label by emitting infrared rays onto the...
  • Page 11 TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer In case of Ticket The default sensor position is (1) as shown on the figure below. To change to the (2) position, the customer should notify the manufacturer in advance. There can be only one position for the sensor.

  • Page 12: Supply Specifications

    TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 2. SUPPLY SPECIFICATIONS 2.1 Types of Paper Two types of media are available for TTP-243: label and ticket. In TTP-243, there are two types of sensors for paper: gap sensor and black mark sensor. Label and ticket can be further classified into direct thermal type or thermal transfer type.
  • Page 13 TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer...

  • Page 14: Ribbon Sizes And Shapes

    TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 2.3 Ribbon Sizes and Shapes Item Specifications Ribbon shape Spool type Max. 110mm Ribbon width Min. 40mm Max. 110mm Ribbon winding width Min. 40mm Leading tape Polyester film, 3355mm long End tape Polyester film (transparent), 2505mm long 67mm...

  • Page 15: Electronics

    TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 3. ELECTRONICS 3.1 Summary of Board Connectors Main board Connector Description Remark Ribbon sensor connector JP18 Black mark sensor connector JP46 Description Voltage Power Black mark No paper or black mark : 3.1~3.2V sensor receiver Detect paper: 0~0.3V...
  • Page 16 TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer Gap sensor connector JP53 Description Voltage Emitter on : 0.7~1.8V Gap sensor emitter Emitter off: 2.4~2.7V Power No paper or gap: 3.1~3.2V Gap sensor receiver Detect paper: 0~0.3V Power Ribbon encoder sensor & DC motor connector JP37 Stepping motor connector JP14...

  • Page 17: Pin Configuration

    TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 3.2 Pin Configuration RS-232C CONFIGURATION +5 V CONFIGURATION Centronics SPP Mode Nibble In/Out Function A low on this line indicates that there are valid data at the host. When this pin is de-asserted, the +ve Strobe clock edge should be used to shift the data into the device.
  • Page 18 TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 33-35 Ground Ground No Defined...

  • Page 19: Mechanism

    TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 4. MECHANISM 4.1 Mainboard Replacement 1. Turn off the printer power. 2. Remove the power cord and RS-232 and/or USB cable. 3. Open the top cover of the printer. 4. Remove the printer front panel. Remove the front cover in the direction of the arrows 5.
  • Page 20 TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 6. Release the cable tie and remove the peel-off sensor connector. (Not available for TTP-243E Pro model) Peel-Off Sensor Connector Cable Tie Cutter Connector Cable tie and peel-off sensor connector 7. Remove the screws on the lower left and lower right corners of main mechanism. Remove the screws in the lower left, lower right corners of the main mechanism.
  • Page 21 TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 8. Remove the four screws of the internal label roll mount. Fig. 3.18 Remove screws of the label roll mount 9. Move the mechanism about 5 mm in the label feed direction. 10.
  • Page 22 TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 11. Remove the screw of ground wire on the mainboard. 12. Remove all connectors on the mainboard. 13. Take out the mechanism. 14. Remove the rest three screws on the mainboard. Upper-Left, Upper-Right, Lower-Right Corner Screw 15.

  • Page 23: Cutter Installation (Option / Not Available For Ttp-243E Pro Model)

    TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 4.2 Cutter Installation (Option / Not available for TTP-243E Pro model) 1. Turn off the printer power. 2. Open the top cover of the printer. 3. Remove the printer front panel slowly and carefully. (Cf. 4.1 section) 4.

  • Page 24: Print Head Replacement

    TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 4.3 Print Head Replacement 1. Turn off the printer power. 2. Remove the RS-232 cable and power cord. 3. Open the top cover. 4. Remove the ribbon and label roll. 5. Open the print carriage. 6.
  • Page 25 TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer Note: The key of connector must be positioned upward. Do not touch the elements of the print head. Do not disassemble the print head. 8. Tidy up the cable so that it does not protrude or interfere with the ribbon. 9.

  • Page 26: Dc Motor Replacement

    TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 4.4 DC Motor Replacement 1. Turn off the printer power. 2. Remove the power cord and RS-232 and/or parallel port cable. 3. Open the top cover of the printer. 4. Remove the printer front panel. (Cf. 4.1 section) 5.

  • Page 27: Ribbon Rewind Spindle Encoder Replacement

    TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 4.5 Ribbon Rewind Spindle Encoder Replacement The encoder is installed on the gear box of DC motor, and is used to detect if the ribbon is unerringly rewound by the spindle. The encoder is connected to JP37 on the mainboard. Please switch the printer to thermal transfer mode.

  • Page 28: Felt Fabric Replacement

    TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 4.6 Felt Fabric Replacement Felt Fabric is located in the ribbon supply spindle. It is used to tighten the ribbon to prevent it from getting wrinkled during printing. If the ribbon can not be tightened when label back feeds during printing, please replace with a new felt to secure the best printing quality.
  • Page 29 TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 6. Reassemble the removed parts in the reverse order of removal. Front View of the Ribbon Supply Spindle...

  • Page 30: Stepping Motor Replacement

    TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 4.7 Stepping Motor Replacement 1. Follow the instructions in Section 4.1 to remove all the connectors on mainboard. 2. Take out the mechanism. 3. Remove the two screws of the stepping motor. Stepping Motor 4.

  • Page 31: Black Mark Sensor / Gap Sensor (Receiver) Replacement

    TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 4.8 Black Mark Sensor / Gap Sensor (Receiver) Replacement Black mark sensor is reflection type sensor. It is connected to JP46 (3 pin connector). A multi-meter is used to measure the signal of Pin2 to see if there is voltage variation when black mark is detected.

  • Page 32: Ribbon Sensor (Receiver) Replacement

    TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 4.9 Ribbon Sensor (Receiver) Replacement 1. Follow the instructions in Section 4.1 to remove all the connectors on mainboard. 2. Take out the mechanism. 3. Remove the screws, springs and spring bushing on both sides of the mechanism. Spring Installation on Left Side and Right Side Note: The left side spring and the right side spring are different in shape.
  • Page 33 TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 7. Replace with a new ribbon sensor PCB. Ribbon Sensor 8. Reassemble the removed parts in the reverse order of removal.

  • Page 34: Ribbon Sensor (Transmitter) / Gap Sensor (Transmitter) Replacement

    TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 4.10 Ribbon Sensor (Transmitter) / Gap Sensor (Transmitter) Replacement 1. Follow the instructions in Section 4.1 to remove all the connectors on mainboard. 2. The ribbon sensor (transmitter) is located in the center of the lower mechanism. Ribbon Sensor (Transmitter) 3.

  • Page 35: Platen Replacement

    TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 4.11 Platen Replacement 1. Follow the instructions in Section 4.7 to remove the two screws, stepping motor and stepping motor cover. 2. Remove the E ring and two gears. Thermal Head Printer Carriage Release lever arm Gear #1...
  • Page 36 TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer Stripper Platen Bush Printer (Right Side) Carriage Release Lever Teflon Tube E Ring Printer carriage release lever arm and E ring 5. Remove the teflon tube and stripper rod. Teflon Tube Teflon tube and stripper rod 6.
  • Page 37 TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 8. Move the platen to the right of the mechanism. 9. Replace the platen and reassemble the removed parts in the reverse order of removal.

  • Page 38: Trouble Shooting

    TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 5. TROUBLE SHOOTING 5.1 Trouble Shooting Problems Solutions 1. Ribbon does not advance. Check the printing mode setting and reset the printer. 2. Poor print quality. Clean the print head. Adjust the print density setting. 3.

  • Page 39: Calibrate The Gap Register

    TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 5.2 Calibrate the Gap Register Install the label. Turn on the printer power while pressing the PAUSE button. The printer will calibrate the transparency of the backing paper and adjust the gap register. 5.3 Self-test Install the label.

  • Page 40: Testing Sensors

    TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 5.6 Testing Sensors A. Checking Ribbon Sensor Switch the multimeter to the DC gear. Connect the black wire to DC GND, and the red wire to PIN2 of JP18. 1. When ribbon is detected between TX and RX of the ribbon sensor, the measured voltage should be 5 Vdc.

  • Page 41: Cleaning The Print Head

    TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer 5.7 Cleaning the Print Head The printer should be cleaned regularly to retain high quality and optimum performance. The greater the usage of the printer, the more frequent the cleaning. Always turn off the printer before cleaning the print head. Allow the printhead to cool for a minimum of one minute.
  • Page 42 TTP-243 Pro/ 243E Pro/ 342 Pro Bar Code Printer Update History Date Content Editor 2011/1/25 Modify TSC address Camille 2011/4/7 Modify section 3.2 Camille...
  • Page 43 9F., No.95, Minquan Rd., Xindian Dist., No.35, Sec. 2, Ligong 1st Rd., Wujie Township, New Taipei City 23141, Taiwan (R.O.C.) Yilan County 26841, Taiwan (R.O.C.) TEL: +886-2-2218-6789 TEL: +886-3-990-6677 FAX: +886-2-2218-5678 FAX: +886-3-990-5577 Web site: www.tscprinters.com TSC Auto ID Technology Co., Ltd. E-mail: printer_sales@tscprinters.com tech_support@tscprinters.com...

This manual is also suitable for:

Ttp 243e proTtp 342 pro

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