TSC TTP-244 Plus Service Manual
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TSC TTP-244 Plus Service Manual

Thermal transfer bar code printer
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See also: Programming Manual , User Manual
TTP-244 Plus
THERMAL TRANSFER BAR CODE PRINTER
Service
Manual
TTP/TDP 244/342

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Summary of Contents for TSC TTP-244 Plus

  • Page 1 TTP-244 Plus THERMAL TRANSFER BAR CODE PRINTER Service Manual TTP/TDP 244/342...

  • Page 2: Table Of Contents

    TTP-244 Plus Bar Code Printer Service Manua Table of Contents FUNDAMENTALS ABOUT THE SYSTEM ..............1 1.1 Features of the TTP/TDP-244 Plus ................1 Model Naming Syntax .................... 1 1.3 Overview ........................2 1.3.1 Front View ......................2 1.3.2 Rear View ......................3 1.4 Basic Specifications ....................
  • Page 3 TTP-244 Plus Bar Code Printer Service Manua 4.10 Platen Replacement ....................31 5. TROUBLE SHOOTING ....................33 5.1 Trouble Shooting ...................... 33 5.2 Calibrate the Gap Register ..................34 5.3 Self-test ........................34 5.4 Ram Clear ........................ 34 5.5 Diagnosis Operation Procedure ................34 5.6 Testing Sensors .......................

  • Page 4: Fundamentals About The System

    2 TTP-244 Plus adopts a “BASIC-like” high level programming language to help users programme the desired label forms with ease. 3. TTP-244 Plus bar code printer can be connected to a personal computer or an optional LCD keyboard to execute the programs downloaded in the printer’s memory. The printer is equipped with the following standard devices:gap transmissive sensor, black mark reflective sensor and ribbon end sensor.

  • Page 5: Overview

    TTP-244 Plus Bar Code Printer Service Manua 1.3 Overview 1.3.1 Front View PAUSE Button PAUSE Button PWR., ON-LINE and ERR. Top Cover Indicators FEED Button Label Dispense Opening Cover Release Button...

  • Page 6: Rear View

    TTP-244 Plus Bar Code Printer Service Manua 1.3.2 Rear View Label Insert Opening (for use with external labels) USB Interface RS-232 Interface Connector Connector Power On/Off Switch Power Supply Connector Centronics Interface Connector (Option)

  • Page 7: Basic Specifications

    TTP-244 Plus Bar Code Printer Service Manua 1.4 Basic Specifications  Thermal transfer and direct thermal printing  High dot density printing (203 dots/inch) Selectable print speeds at 2.0”, 3.0” or 4.0” per second   Supports RS-232 and USB interface ...

  • Page 8: Effective Print Area

    TTP-244 Plus Bar Code Printer Service Manua  RS-232 Interface Pin Configuration: Host Function 9 Pin 25 Pin 9 Pin Printer Function 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...

  • Page 9: Various Sensors

    TTP-244 Plus Bar Code Printer Service Manua  Codabar  Interleaved 2 of 5  EAN-8, EAN-13, EAN-128  UPC-A, UPC-E  EAN and UPC with 2 or 5 digits add-on  MSI  Postnet  Plessey  China POST 2D bar codes: ...
  • Page 10 TTP-244 Plus Bar Code Printer Service Manua 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 11: Supply Specifications

    2.1 Types of Paper Two types of media are available for TTP-244 Plus: label and ticket. In TTP-244 Plus, 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 12 TTP-244 Plus Bar Code Printer Service Manua...

  • Page 13: Ribbon Sizes And Shapes

    TTP-244 Plus Bar Code Printer Service Manua 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 14: Electronics

    TTP-244 Plus Bar Code Printer Service Manua 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 15 TTP-244 Plus Bar Code Printer Service Manua 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...

  • Page 16: Pin Configuration

    TTP-244 Plus Bar Code Printer Service Manua 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...
  • Page 17 TTP-244 Plus Bar Code Printer Service Manua A low set by the device indicates that the reverse Error / Fault data is available 33-35 Ground Ground No Defined...

  • Page 18: Mechanism

    TTP-244 Plus Bar Code Printer Service Manua 4. MECHANISM 4.1 Mainboard Replacement 1. Turn off the printer power. 2. Remove the power cord and RS-232 and/or USB port cable. 3. Open the top cover of the printer. 4. Remove the four screws of the internal label roll mount.
  • Page 19 TTP-244 Plus Bar Code Printer Service Manua 7. Remove all connectors on the main board. JP52 JP42 JP37 Ground Wire JP14 JP53 JP18 JP46 Remark Description JP52 Push button connector JP37 Ribbon encoder sensor & DC motor connector JP14 Stepping motor connector...

  • Page 20: Dc Motor Replacement

    TTP-244 Plus Bar Code Printer Service Manua 4.2 DC Motor Replacement 1. Turn off the printer power. 2. Remove the power cord and RS-232 and/or USB port cable. 3. Open the top cover of the printer. 4. Remove the printer front panel.
  • Page 21 TTP-244 Plus Bar Code Printer Service Manua 7. Move the mechanism in the label feed direction about 5 mm. 8. Take out the internal label roll mount and remove connectors as below. 9. Remove the screw of ground wire on the mainboard.
  • Page 22 TTP-244 Plus Bar Code Printer Service Manua 11. Remove the one screw. Screw 12. Remove the three screws on DC motor fixture. DC Motor Screws fixture 13. Remove the three screws used to fix DC motor on the fixture and remove the cable tie.
  • Page 23 TTP-244 Plus Bar Code Printer Service Manua Cable tie Screws 14. Replace the DC motor and pull out the cables in connector JP 37. Note: The colors of DC motor wires in connector JP 37 are yellow (outside) and green (inside).

  • Page 24: Print Head Replacement

    TTP-244 Plus Bar Code Printer Service Manua 4.3 Print Head Replacement 1. Follow the instructions in Section 4.2 to take out the mechanism. 2. Open the print carriage. 3. Remove the screws, springs and spring bushing on both sides of the mechanism.
  • Page 25 TTP-244 Plus Bar Code Printer Service Manua Screws 8. Resplace the print head. 9. Reassemble the removed parts in the reverse order of removal. Note: 1. Tidy up the cable so that it does not protrude or interfere with the ribbon.

  • Page 26: Ribbon Rewind Spindle Encoder Replacement

    TTP-244 Plus Bar Code Printer Service Manua 4.4 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 JP6 on the mainboard.

  • Page 27: Felt Fabric Replacement

    TTP-244 Plus Bar Code Printer Service Manua 4.5 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 28 TTP-244 Plus Bar Code Printer Service Manua 6. Reassemble the removed parts in the reverse order of removal. Front View of the Ribbon Supply Spindle...

  • Page 29: Stepping Motor Replacement

    TTP-244 Plus Bar Code Printer Service Manua 4.6 Stepping Motor Replacement 1. Follow the instructions in Section 4.2 to take out the mechanism. 2. Remove the two screws on stepping motor fixture. Screws 3. Replace the stepping motor and reassemble the removed parts in the reverse order of removal.

  • Page 30: Black Mark Sensor / Gap Sensor (Receiver) Replacement

    TTP-244 Plus Bar Code Printer Service Manua 4.7 Black Mark Sensor / Gap Sensor (Receiver) Replacement Black mark sensor is reflection type sensor. It is connected to JP4 (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 31: Ribbon Sensor (Receiver) Replacement

    TTP-244 Plus Bar Code Printer Service Manua 4.8 Ribbon Sensor (Receiver) Replacement 1. Follow the instructions in Section 4.2 to take out the mechanism. 2. Open the print carriage. 3. Remove the screws, springs and spring bushing on both sides of the mechanism.
  • Page 32 TTP-244 Plus Bar Code Printer Service Manua Sensor Cover Flat Tap Screw 6. Replace with a new ribbon sensor PCB. Ribbon sensor PCB 7. Reassemble the removed parts in the reverse order of removal.

  • Page 33: Ribbon Sensor (Transmitter) / Gap Sensor (Transmitter) Replacement

    TTP-244 Plus Bar Code Printer Service Manua 4.9 Ribbon Sensor (Transmitter) / Gap Sensor (Transmitter) Replacement 1. Please follow the steps in Section 4.8 to separate the upper mechanism from the lower mechanism. 2. The ribbon sensor (transmitter) is located in the center of the lower mechanism.

  • Page 34: Platen Replacement

    TTP-244 Plus Bar Code Printer Service Manua 4.10 Platen Replacement 1. Follow the instructions in Section 4.6 to remove the stepping motor fixture and stepping motor. 2. Remove the E-ring and two gears. 3. Remove the E ring and the printer carriage release lever arm.
  • Page 35 TTP-244 Plus Bar Code Printer Service Manua 5. Remove the teflon tube and stripper rod. Teflon Tube 6. Remove the E ring, the right side and left side platen bushes. Platen E-ring Platen bush (Left side) 7. Move the platen to the right of the mechanism.

  • Page 36: Trouble Shooting

    TTP-244 Plus Bar Code Printer Service Manua 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.

  • Page 37: Calibrate The Gap Register

    TTP-244 Plus Bar Code Printer Service Manua 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.

  • Page 38: Testing Sensors

    TTP-244 Plus Bar Code Printer Service Manua 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 39: Update History

    TTP-244 Plus Bar Code Printer Service Manua UPDATE HISTORY Date Content Editor 2009/10/6 Modify section 3.1 Camille 2011/1/25 Modify TSC address Camille 2011/4/7 Modify section 3.2 Camille...
  • Page 40 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...

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