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TSC TTP-346M - User Manual

TSC TTP-346M
47 pages
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TTP-2410M/346M/644M
TTP-246M Plus/344M Plus
SERVICE
MANUAL
THERMAL TRANSFER / DIRECT THERMAL
BAR CODE PRINTER

Questions and Answers

  • D
    Devin MooreAug 31, 2025
    Why is my SD card not working with my TSC TTP-346M Barcode Reader?
    • T
      Trevor RodriguezSep 1, 2025
      If your TSC Barcode Reader indicates that the SD card is unable to use, it could be due to a damaged SD card. Try using a supported capacity SD card. Also, make sure the SD card is inserted correctly by reinserting it. The supported SD card specifications are 128MB, 256MB, 512MB, 1GB, and 4GB SDHC CLASS 6.
  • J
    john31Aug 30, 2025
    What does 'Memory full' mean on my TSC TTP-346M Barcode Reader and how to fix it?
    • B
      Brandon SuttonAug 30, 2025
      If your TSC Barcode Reader displays 'Memory full ( FLASH / DRAM )', it means the space of FLASH/DRAM is full. Delete any unused files in the FLASH/DRAM to free up space.
  • A
    ashley15Aug 29, 2025
    What does 'Carriage Open' mean on my TSC TTP-346M?
    • J
      Jonathan HooverAug 29, 2025
      If your TSC Barcode Reader displays 'Carriage Open', it means that the printer carriage is open. Please close the print carriage.
  • S
    shelly39Aug 28, 2025
    Why doesn't the power indicator light up on my TSC Barcode Reader?
    • T
      Travis HurstAug 28, 2025
      If the power indicator on your TSC Barcode Reader does not illuminate, the power cord may not be properly connected. Ensure that the power cord is plugged securely into both the printer and the outlet, and then switch the printer on.
  • K
    Kimberly WyattAug 27, 2025
    What to do if my TSC TTP-346M says 'No Ribbon'?
    • Z
      Zachary BeckerAug 27, 2025
      If your TSC Barcode Reader displays 'No Ribbon', it could be due to a few reasons. First, check if you are running out of ribbon and supply a new ribbon roll if needed. Second, the ribbon might be installed incorrectly, so refer to the user’s manual for the correct reinstallation steps.
  • D
    Diana KelleyAug 26, 2025
    How to fix paper jam on TSC TTP-346M Barcode Reader?
    • J
      jeremy80Aug 27, 2025
      To resolve a 'Paper Jam' error on your TSC Barcode Reader, calibrate the gap/black mark sensor. Also, ensure that the label size is set correctly.
  • J
    James JordanAug 25, 2025
    What to do if my TSC Barcode Reader says 'No Paper'?
    • S
      Stacy HortonAug 26, 2025
      If your TSC Barcode Reader shows 'No Paper', it could be due to a few reasons. You might be running out of labels, so try supplying a new label roll. Alternatively, the label roll might be installed incorrectly, so please refer to the user’s manual for the correct installation steps. Also, the gap/black mark sensor may not be calibrated properly, so you should calibrate the gap/black mark sensor.

Summary

2. ELECTRONICS

2.1 Summary of Board Connectors

Identifies and describes connectors on the printer's main board.

Other Board Connectors Overview

Details RFID, sensor, and spindle connectors found on the printer.

Interface and Module Connectors

Lists cutter, GPIO, and stepping motor connectors on various modules.

2.2 Interface Pin Configuration

Provides detailed pin assignments for RS-232C, USB, and Centronics interfaces.

Interface Pin Configurations: Ethernet and PS;2

Lists pin assignments for Ethernet and PS/2 interfaces.

GPIO Interface Pin Configuration

Shows the pinout for the printer's GPIO interface connector.

3. MECHANISM

3.1 Removing Covers and Front Panel

Step-by-step guide for accessing internal components by removing covers.

3.8 Replacing the Print Head Assembly

Detailed steps for removing and installing the print head assembly.

4. TROUBLESHOOTING

4.1 Common Problems and Solutions

Lists common issues and their corresponding recovery procedures.

5. MAINTENANCE

TSC TTP-346M Specifications

General IconGeneral
Print MethodThermal Transfer and Direct Thermal
Max Print Width104 mm
Memory8 MB Flash
InterfaceParallel
Media TypeFanfold
Media Width25.4 mm - 114 mm
Label Width25.4 mm - 114 mm
Label Thickness0.06 - 0.19 mm
Power SupplyAC 100-240V, 50/60Hz

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