TSC TTP-346M Service Manual
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TSC TTP-346M Service Manual

Thermal transfer/direct thermal bar code printer
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See also: Programming Manual , User Manual
TTP-2410M/346M/644M
TTP-246M Plus/344M Plus
THERMAL TRANSFER / DIRECT THERMAL
BAR CODE PRINTER
SERVICE
MANUAL

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Summary of Contents for TSC TTP-346M

  • Page 1 TTP-2410M/346M/644M TTP-246M Plus/344M Plus THERMAL TRANSFER / DIRECT THERMAL BAR CODE PRINTER SERVICE MANUAL...

  • Page 2: Table Of Contents

    TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua TABLE OF CONTENT 1. FUNDAMENTAL OF THE SYSTEM ................1 1.1. Overview.........................1 2. ELECTRONICS......................5 2.1 Summary of Board Connectors................5 2.2 Interface Pin Configuration..................10 3. MECHANISM ......................13 3.1 Remove Covers and the Lower Front Panel............13 3.2 Replacing the LCD Panel Module................15 3.3 Replacing the Power Supply Unit................16 3.4 Replacing Multi-interface Board................17...

  • Page 3: Fundamental Of The System

    TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua 1. FUNDAMENTAL OF THE SYSTEM 1.1. Overview Front View 1. LED indicators 2. LCD display 3. Front panel buttons 4. Paper exit chute 5. Lower front cover 6. Printer right side cover...
  • Page 4 TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua Interior View 1. Ribbon rewind spindle 2. Ribbon release button 3. Ribbon guide plate 4. Print head 5. Platen roller 6. Print head release lever 7. Media guide bar 8. Label roll guard 9.
  • Page 5 1. SD card slot, Ethernet interface and PS/2 interface are standard interfaces for TTP-2410M/TTP-346M models, but optional for TTP-246M Plus/TTP-344M Plus models. 2. GPIO interface card includes SD card slot, Ethernet and PS/2 interfaces. So GPIO interface is an factory option for TTP-2410M/TTP-346M, but a dealer option for TTP-246M Plus/TTP-344M Plus models.
  • Page 6 TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua 3. Recommended SD card specification. SD card spec SD card capacity Approved SD card manufacturer V1.0, V1.1 128 MB SanDisk, Transcend V1.0, V1.1 256 MB SanDisk, Transcend, Panasonic V1.0, V1.1 512 MB SanDisk, Transcend, Panasonic V1.0, V1.1 1 GB...

  • Page 7: Electronics

    TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua 2. ELECTRONICS 2.1 Summary of Board Connectors Main board Connector Description Centronics port connector USB connector RS-232C connector LCD panel connector Multi-interface board connector/ GPIO interface board Micro processor...
  • Page 8 TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua RFID module connector Head open sensor connector Description Voltage Head open sensor emitter 1.2~1.4V power pin 0V: Head close Head open sensor receiver 3.3V: Head open Gap sensor connector Description Voltage Gap and black mark A/D: 0~3.3V sensor receiver...
  • Page 9 TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua Cutter/peel-off sensor connector Description Voltage 0V: Cutter work Cutter enable 5V: Cutter stop 0V: Cutter positive cut Cutter direction 5V: Cutter negative cut Cutter position sensor 0V: Cutter stop switch 3.3V: Cutter work Peel sensor receiver A/D: 0~3.3V 4.0~4.1V: Emitter on...
  • Page 10 TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua Multi-interface board Connector Description Remark Main board connector SD card slot Ethernet RJ-45 connector PS/2 connector...
  • Page 11 TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua GPIO with multi-interface board Connector Description Remark GPIO connector Main board connector SD card slot Ethernet RJ-45 connector PS/2 connector GPIO power connector...

  • Page 12: Interface Pin Configuration

    TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua 2.2 Interface Pin Configuration RS-232C CONFIGURATION +5 V CONFIGURATION +5 V 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 13 TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua direction, it functions as PtrBusy. Paper Out / When low, device acknowledges reverse request. Select Extensibility flag Ground No Defined 16-17 Ground Ground No Defined 19-30 Ground Ground No Defined A low set by the device indicates that the reverse Error / Fault data is available 33-35...
  • Page 14 TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua GPIO...

  • Page 15: Mechanism

    TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua 3. MECHANISM 3.1 Remove Covers and the Lower Front Panel 1. Remove two screws from rear of printer. Screws 2. Open printer right side cover and remove two screws then close the cover. Screws 3.
  • Page 16 TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua Electronics cover 4. Remove 3 screws from each hinge. Be careful the right side cover may fall out from the printer. Take out the right side cover from the printer. Screws 5.

  • Page 17: Replacing The Lcd Panel Module

    TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua 3.2 Replacing the LCD Panel Module 1. Refer to section 3.1 to remove the electronics cover. 2. Disconnect harness from the LCD panel module. 3. Push two tabs to remove/replace the LCD panel module. LCD panel module 4.

  • Page 18: Replacing The Power Supply Unit

    TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua 3.3 Replacing the Power Supply Unit 1. Refer to section 3.1 to remove the electronics cover. 2. Disconnect all connectors on the power supply unit. 3. Remove 2(TTP-2410M/346M) / 4(TTP-246M Plus/344 Plus) screws and 2 cable ties. TTP-2410M/346M TTP-246M Plus/344M Plus ----...

  • Page 19: Replacing Multi-Interface Board

    TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua 3.4 Replacing Multi-interface Board 1. Refer to section 3.1 to remove the electronics cover. 2. Remove 4 screws then take off the interface plate. Screws Interface plate 3. Remove 2 screws. Screws 4.

  • Page 20: Replacing The Main Board

    TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua 3.5 Replacing the Main Board 1. Refer to section 3.1 to remove the electronics cover. (Refer to section 3.4 to remove the multi-interface board.) 2. Disconnect all connectors from the main board. 3.

  • Page 21: Replacing The Platen Roller Assembly

    TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua 3.6 Replacing the Platen Roller Assembly 1. Open printer right side cover. 2. Disengage print head lift lever. 3. Refer to section 3.1 to remove the lower front panel. 4. Remove 2 screws from the platen holder. Screws 5.

  • Page 22: Replacing The Stepping Motor

    TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua 3.7 Replacing the Stepping Motor 1. Refer to section 3.1 to remove the electronics cover. 2. Disconnect the stepping motor connector from the main board. Stepping motor connector 3. Remove 2 screws on the stepping motor. Screws 4.

  • Page 23: Replacing The Print Head Ass'y

    TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua 3.8 Replacing the Print head ASS'Y 1. Open the printer right side cover. 2. Turn the two print head pressure adjustment knobs counterclockwise to lowest index to minimize the pressure applied to the print head. 3.
  • Page 24 TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua TTP-2410M/346M TTP-246M Plus/344M Plus 8. Check the print head has been totally closed to the print mechanism before secure the print head by the previously removed thumbscrew. 9. Reassemble the parts in the reverse procedures. Note: Please use the come with new print head secure screw to replace the print head assembly.

  • Page 25: Replacing The Gap/Black Mark Sensor Module

    TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua 3.9 Replacing the Gap/Black Mark Sensor Module 1. Refer to section 3.1 to remove the electronics cover. 2. Disconnect the gap/black mark sensor connector from the main board. Gap/black mark sensor connector 3.

  • Page 26: Replacing The Media Damper

    TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua 3.10 Replacing the Media Damper 1. Open the printer right side cover. 2. Remove the screw that fixes the damper to the mechanism. Screw Media damper 3. Remove/Replace the media damper. 4.

  • Page 27: Replacing The Ribbon Rewind Spindle

    TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua 3.11 Replacing the Ribbon Rewind Spindle 1. Refer to section 3.1 to remove the electronics cover. 2. Remove 1 E-ring. E-ring 3. Remove the ribbon rewind spindle gear. Ribbon rewind spindle gear 4.

  • Page 28: Cutter Module Installation (Option)

    TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua 3.12 Cutter Module Installation (Option) 1. Open the printer right side cover. 2. Refer to section 3.1 to remove the lower front panel. 3. Plug the cutter mini DIN cable connector into the cutter/peel-off connector. The triangle mark on the connector must be at the upper side.

  • Page 29: Peel-Off Kit Installation (Option)

    TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua 3.13 Peel-off Kit Installation (Option) Peel-off kit parts list: 1. Refer to section 3.1 to remove the electronics cover. 2. Fasten the screw#2 to fix the gear#1. Gear#1 position Screw#2...
  • Page 30 TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua 3. Fasten the screw#2 to fix the gear#2. Gear#2 position 4. Put the bearing into the internal rewind hole. Internal rewind Bearing hole (Left side) 5. Open the printer right side cover. 6.
  • Page 31 TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua 8. Use the E-ring driver and hammer to fix the internal rewind by E-ring. *How to assemble e-ring? a. Put E-ring into E-ring driver. b. Put the E-ring on roller niche. c.
  • Page 32 TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua 9. Insert the gear (with spring) into the spindle and fix it with E-ring. Gear with E-ring spring 10. Refer to section 3.1 to remove the lower front panel. 11. Plug the peel-off mini DIN cable connector into the cutter/peel-off connector and place the cable in the cable cavity.

  • Page 33: Internal Rewinding Kit Installation (Option)

    TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua 3.14 Internal Rewinding Kit Installation (Option) Internal rewinding kit parts list: 1. Refer to section 3.1 to remove the electronics cover. 2. Fasten the screw#2 to fix the gear#1. Gear#1 position Screw#2 3.
  • Page 34 TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua Gear#2 position 4. Put the bearing into the internal rewind hole. Internal rewind Bearing hole (Left side) 5. Open the printer right side cover. 6. Remove the dustproof cover from the internal rewind hole and put the bearing into it. Internal rewind Bearing hole (Right side)
  • Page 35 TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua 8. Use the E-ring driver and hammer to fix the internal rewind by E-ring. (Please refer to the section 3.13 for “How to assemble e-ring?”) 9. Insert the gear (with spring) into the spindle and fix it with E-ring. Gear with E-ring spring...

  • Page 37: Troubleshooting

    TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua 4. TROUBLESHOOTING 4.1 Common Problems The following guide lists the most common problems that might be encountered when operating this bar code printer. If the printer still does not function after all suggested solutions have been invoked, please contact the Customer Service Department of your purchased reseller or distributor for assistance.
  • Page 38 * The max. numbers of file of FLASH is 256 files. ( FLASH / DRAM ) * The max. user addressable memory space of FLASH is 2560 KB for TTP-246M Plus and TTP-344M Plus and 6656KB for TTP-2410M and TTP-346M.
  • Page 39 TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua * Use the supported capacity SD card. * Insert the SD card again. * The supported SD card spec. * SD card is damaged. - 128MB SD card is unable to * SD card doesn’t insert correctly.
  • Page 40 TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua Ribbon encoder * The ribbon encoder sensor connector * Fasten the connector. is loose. sensor doesn’t work. * The connector is loose. Ribbon end sensor * Check the connector. * The ribbon sensor hole is covered with * Clear the dust in the sensor hole by the blower.
  • Page 41 TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua RTC time is incorrect * The battery has run down. * Check if there is a battery on the main board. when reboot the printer. Multi interface board * Check if the board is plugged in the right * The installation is incorrect.

  • Page 42: Mechanism Fine Adjustment To Avoid Ribbon Wrinkles

    TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua 4.2 Mechanism Fine Adjustment to Avoid Ribbon Wrinkles This printer has been fully tested before delivery. There should be no ribbon wrinkle presented on the media for general-purpose printing application. Ribbon wrinkle is related to the media thickness, print head pressure balance, ribbon film characteristics, print darkness setting…etc.
  • Page 43 TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua Adjust the print head pressure adjustment knob Adjust the print head pressure adjustment knob Left knob Right knob Right knob Left knob The print head pressure adjustment knob has 5 The print head pressure adjustment knob has 5 levels of settings.

  • Page 44: Maintenance

    TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua 5. MAINTENANCE This session presents the clean tools and methods to maintain your printer. 1. Please use one of following material to clean the printer. Cotton swab (Head cleaner pen) Lint-free cloth Vacuum / Blower brush 100% ethanol...
  • Page 45 TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua ethanol to wipe it. Compressed air or vacuum Monthly Sensor Wipe it with water-dampened As needed Exterior cloth Brush or vacuum As needed Interior Note: Do not touch printer head by hand. If you touch it careless, please use ethanol to clean Please use 100% Ethenol.

  • Page 46: Update History

    TTP-2410M/346M/644M TTP-246M Plus/344M Plus Bar Code Printer Service Manua UPDATE HISTORY Date Content Editor Modify electronics cover part no. from 32-0240004-00LF to 2007/12/4 Camille 98-0240031-00LF. Add internal rewinding kit part no. (Option). Camille 2007/12/5 Revise description for 98-1000011-00LF External wireless Camille 2008/1/24 print server (C)/ US &...
  • Page 47 No. 35, Sec. 2, Ligong 1st Rd., Wujie Town 11F, No. 205, Sec. 3, Beishin Rd., Shindian City, , I-Lan County 268, Taiwan, R.O.C. Taipei 231, Taiwan, R.O.C. TEL: +886-3-990-6677 TEL: +886-2-8913-1308 FAX: +886-3-990-5577 FAX: +886-2-8913-1808 Web site: www.tscprinters.com E-mail: printer_sales@tscprinters.com TSC Auto ID Technology Co., Ltd. tech_support@tscprinters.com...

This manual is also suitable for:

Ttp-2410mTtp-644mTtp-246m plusTtp-344m plus

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