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Tharo Systems H-426 Service Manual

Thermal transfer printer
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Doc. No.
Revision
Date
Page
730-013400-00
A
2004/8/27
1 of 33
Service Manual
H-426 / H-434
Thermal Transfer Printer

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Summary of Contents for Tharo Systems H-426

  • Page 1 Doc. No. Revision Date Page 730-013400-00 2004/8/27 1 of 33 Service Manual H-426 / H-434 Thermal Transfer Printer...

  • Page 2: Table Of Contents

    Doc. No. Revision Date Page 730-013400-00 2004/8/27 2 of 33 SPECIFICATIONS......................3 EXPLODED DIAGRAM OF PRINTER ................4 H-426 Parts List ............................5 H-434 Parts List ............................8 PRINT MECHANISM ASSEMBLY ................11 H-426 Parts List ............................12 H-434 Parts List ............................14 RIBBON MODULE DIAGRAM..................16...

  • Page 3: Specifications

    Doc. No. Revision Date Page 730-013400-00 2004/8/27 3 of 33 SPECIFICATIONS Model THARO H–426 THARO H-434 Resolution 8 dots/mm (203dpi) 12 dots/mm (300dpi) Print Mode Thermal Transfer/Direct Thermal Thermal Transfer/Direct Thermal Printer CPU 16 Bit Processor Sensor Location Moveable, left aligned Sensor Type Reflective, Transmissive Type: Label gap and black mark sensing...

  • Page 4: Exploded Diagram Of Printer

    Doc. No. Revision Date Page 730-013400-00 2004/8/27 4 of 33 EXPLODED DIAGRAM OF PRINTER...

  • Page 5: H-426 Parts List

    08-24-2004 REV: A Item Tharo No. Part Name H-426 710-029300-00 Base Plate 703-029900-00 Rubber Foot 141-020047-90 MAIN PCB Assembly H-426 710-029400-02 Printhead Pressure Shaft 710-028200-00 Power Bracket 141-020036-90 Switching Power Supply Assembly (UPS110-1241-1) 710-030200-01 Left Cover 710-028800-00 Paper Roll Plate...
  • Page 6 Doc. No. Revision Date Page 730-013400-00 2004/8/27 6 of 33 851-821615-00 Metal Washer Ø8.2*1.5t 141-020024-95 Ribbon Assembly 131-00H426-00 Mechanism Assembly 462-030012-00 Stepping Motor 701-001900-00 Idle Poly 711-029200-00 Poly Core 710-028300-00 Poly Bracket 712-027300-00 Idle Ploy Spring 703-027700-00 Belt 100MXL 858-400805-00 Washer Ø4*Ø8*0.5t 703-028800-00 Wire Clip(WL-1)
  • Page 7 Doc. No. Revision Date Page 730-013400-00 2004/8/27 7 of 33 713-020500-00 Spring Twig Ø2.5*18L 856-301003-00 E-Ring Ø3*Ø10*0.3t(SPN-3) 841-030551-20 Nut/BK/M3*0.5 710-048100-00 Ethernet Socket Cover...

  • Page 8: H-434 Parts List

    Doc. No. Revision Date Page 730-013400-00 2004/8/27 8 of 33 H-434 Parts List Item Tharo No. Part Name H-434 710-029300-00 Base Plate 703-029900-00 Rubber Foot 141-020048-90 MAIN PCB Assembly 710-029400-02 Middle Wall Plate 710-028200-00 Power Bracket Switching Power Supply Assembly 141-020036-90 710-030200-01 Left Cover...
  • Page 9 Doc. No. Revision Date Page 730-013400-00 2004/8/27 9 of 33 851-821615-00 Metal Washer Ø8.2*16*1.5t 141-000024-20 Ribbon Assembly 131-00H434-00 Mechanism Assembly 462-030012-00 Stepping Motor 701-001900-00 Idle Poly 711-029200-00 Poly Core 710-028300-00 Poly Bracket 712-027300-00 Idle Poly Spring 703-027700-01 Belt 100MXL 858-400-805-00 Washer Ø4*Ø8*0.5t 703-028800-00 Wire Clip (WL-1)
  • Page 10 Doc. No. Revision Date Page 730-013400-00 2004/8/27 10 of 33 713-020500-00 Spring Twig Ø2.5*18L 856-301003-00 E-Ring Ø3*Ø10*0.3t(SPN-3) 841-030551-20 Nut/BK/M3*0.5 710-048100-00 Ethernet Socket Cover...

  • Page 11: Print Mechanism Assembly

    Doc. No. Revision Date Page 730-013400-00 2004/8/27 11 of 33 PRINT MECHANISM ASSEMBLY...

  • Page 12: H-426 Parts List

    Doc. No. Revision Date Page 730-013400-00 2004/8/27 12 of 33 H-426 Parts List Item Tharo No. Part Name Mechanism H-426 131-00H426-00 H-426 Mechanism Assembly 710-033500-00 Bottom Mech.Bracket 711-029400-01 Print Head Pressure Shaft 700-030800-01 Print Head Spring Box 712-029600-01 Print Head Spring...
  • Page 13 Doc. No. Revision Date Page 730-013400-00 2004/8/27 13 of 33 801-430040-15 Screw M3*4 700-030500-00 Label Adj. Guide (Left) 801-230602-11 Flat Head Screw M3*6 710-029800-01 Tear Off Bar 801-230452-11 Flat Head Screw M3*4.5 710-039500-00 Left Side Wall 701-001700-00 30 Tooth Gear 701-001600-00 44 Tooth Gear 700-035900-00...

  • Page 14: H-434 Parts List

    Doc. No. Revision Date Page 730-013400-00 2004/8/27 14 of 33 H-434 Parts List MODEL: H-434 08-24-2004 REV: A Item Tharo No. Part Name Mechanism H-434 131-00H434-00 H-434 Mechanism Assembly 710-033500-00 Bottom Mech.Bracket 711-029400-01 Print Head Pressure Shaft 700-030800-01 Print Head Spring Box 712-029600-00 Print Head Spring 700-030701-00...
  • Page 15 Doc. No. Revision Date Page 730-013400-00 2004/8/27 15 of 33 33 162-000008-00 Door Open Switch 34 801-430040-15 Screw M3*4 35 700-030501-00 Label Adj. Guide (Left) 36 801-230602-11 Flat Head Screw M3*6 37 710-029800-01 Tear Off Bar 38 801-230452-11 Flat Head Screw M3*4.5 39 710-039500-00 Left Side Wall 40 701-001700-00...

  • Page 16: Ribbon Module Diagram

    Doc. No. Revision Date Page 730-013400-00 2004/8/27 16 of 33 RIBBON MODULE DIAGRAM...

  • Page 17: Ribbon Module Parts List

    Doc. No. Revision Date Page 730-013400-00 2004/8/27 17 of 33 Ribbon Module Parts List MODEL: H-426 Data:08-25-2004 REV: A Item Tharo No. Part Name 141-020024-95 Ribbon Assembly 711-028900-00 Ribbon Rewind Core 713-020100-00 Spring Twig Ø2.5*16L 711-028800-00 Ribbon Supply Core 801-430120-11...

  • Page 18: Rewinder Module Diagram

    Doc. No. Revision Date Page 730-013400-00 2004/8/27 18 of 33 REWINDER MODULE DIAGRAM...

  • Page 19: Rewinder Parts List

    Doc. No. Revision Date Page 730-013400-00 2004/8/27 19 of 33 Rewinder Parts List Item Tharo No. Part Name 151-020007-90 Internal Rewinder E-RING Φ5*11*0.6t/mm 855-501106-00 NYLON WASHER Φ6.2*8.0*0.5t/mm 858-620805-00 LF-1260ZZ Φ6*Φ12 713-020300-00 801-230452-11 MACHINE SCREW/I/NI/M3*4.5 801-230602-11 MACHINE SCREW/I/NI/M3*6 710-034500-00 SUPPORTER LINER REWINDER 820-417040-11 TAP/P/NI/1.7*4(TAPI) 700-013900-01...

  • Page 20: Cutter Module Diagram

    Doc. No. Revision Date Page 730-013400-00 2004/8/27 20 of 33 CUTTER MODULE DIAGRAM...

  • Page 21: Cutter Parts List

    Doc. No. Revision Date Page 730-013400-00 2004/8/27 21 of 33 Cutter Parts List Item Tharo No. Part Name 151-0200006-90 Cutter Module With Tray 801-430060-15 MACH/P/NI/M3*6(SPW ONLY) 160-000064-20 CUTTER PCB 711-035600-00 CUTTER BRACKET 650-000006-00 4"(R/C) 24V 0685031 P2.0 700-036200-00 CUTTER COVER 700-036300-00 TICKET TRAY 801-430082-14...

  • Page 22: Maintenance Procedures

    Doc. No. Revision Date Page 730-013400-00 2004/8/27 22 of 33 MAINTENANCE PROCEDURES Cleaning the Thermal Printhead CAUTION! The Printhead is the Most Fragile part of your Printer. Do NOT use sharp or hard objects to clean the Printhead. Do NOT touch the glass surface of the Printhead with your hand. CAUTION! During the print process the Printhead will become hot.

  • Page 23: Printhead Replacement

    Doc. No. Revision Date Page 730-013400-00 2004/8/27 23 of 33 Printhead Replacement 1. Switch the power off to the printer and unplug the printer. 2. Pull the Printhead Lever out and rotate it upward to the right to open the Printhead.

  • Page 24: Thermal Printhead Print Line Adjustment

    Doc. No. Revision Date Page 730-013400-00 2004/8/27 24 of 33 Thermal Printhead Print Line Adjustment When printing on stiff or thick paper, the Print Line needs to be moved forward (paper feed direction) in order to achieve better print quality. 1.
  • Page 25 Doc. No. Revision Date Page 730-013400-00 2004/8/27 25 of 33 3. Move the Print Line all the way back by turning the screws on each side of the Printhead (marked counterclockwise 4. Then turn the screws clockwise a quarter turn at a time to move the Print Line forward.

  • Page 26: Thermal Printhead Spring Box Position/Pressure Adjustment

    Doc. No. Revision Date Page 730-013400-00 2004/8/27 26 of 33 Thermal Printhead Spring Box Position/Pressure Adjustment If one side of the printed labels is not being printed clearly, or if ribbon wrinkles occur, then adjust the Thermal Printhead Spring Box position or pressure to cure the problem. 1.

  • Page 27: Ribbon Tension Adjustment

    Doc. No. Revision Date Page 730-013400-00 2004/8/27 27 of 33 Ribbon Tension Adjustment Due to differences in ribbon material, ribbon wrinkles may occur during printing. When this happens increase the ribbon tension by: 1. Pushing the end of the shaft in. 2.

  • Page 28: Drive Roller Replacement

    Doc. No. Revision Date Page 730-013400-00 2004/8/27 28 of 33 Drive Roller Replacement 1. Switch the power off to the printer and unplug the printer. 2. Pull the Printhead Lever out and rotate it upward to the right (counterclockwise) to open the Printhead.
  • Page 29 Doc. No. Revision Date Page 730-013400-00 2004/8/27 29 of 33 5. Remove the c-clip (orange arrow), two gears (green arrows) and two belts (yellow arrows) as shown. 6. You may now remove the drive roller from the media side of the printer.

  • Page 30: Main Board Replacement

    Doc. No. Revision Date Page 730-013400-00 2004/8/27 30 of 33 Main board Replacement 1. Switch the power off to the printer and unplug the printer. 2. Remove the electronics side cover by first removing the two Phillips screws (blue arrows) and then closing the media cover.

  • Page 31: Power Supply Replacement

    Doc. No. Revision Date Page 730-013400-00 2004/8/27 31 of 33 Power Supply Replacement 1. Switch the power off to the printer and unplug the printer. 2. Remove the electronics side cover by first removing the two Phillips screws (blue arrows) and then closing the media cover.

  • Page 32: Appendixes

    Doc. No. Revision Date Page 730-013400-00 2004/8/27 32 of 33 APPENDIXES LCD Error and LED Light Message Descriptions LED Message Light Message Beeps Description Solution Power Ready Error Display Printhead is The Printhead is not Re-open the Printhead and make sure Green opened firmly in place.

  • Page 33: Problems And Recommended Solutions

    Doc. No. Revision Date Page 730-013400-00 2004/8/27 33 of 33 Problems and Recommended Solutions Problem Recommended Solution LCD shows no message after Check the power cord switching the Printer on LED light turns red (power/status) Check for software setting or program command errors after printing stops Check if labels or ribbon is out and replace with suitable labels or ribbon...

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H-434

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