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Axiohm THTN Series User Manual

Thermal printer mechanism
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THERMAL PRINTER MECHANISM
USER'S MANUAL
THTN Series
Reference : FDE – 3106531 issue-Z
January - 01
AXIOHM, 1-9 Rue d'Arcueil
BP 675, 92542 Montrouge Cedex, France
Tel : (33) (0) 1 47 46 78 00 Fax (33) (0) 1 46 55 13 44
1 / 25

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Summary of Contents for Axiohm THTN Series

  • Page 1 THTN Series Reference : FDE – 3106531 issue-Z January - 01 AXIOHM, 1-9 Rue d’Arcueil BP 675, 92542 Montrouge Cedex, France Tel : (33) (0) 1 47 46 78 00 Fax (33) (0) 1 46 55 13 44 1 / 25...
  • Page 2 This manual contains the basic instructions to run your printer. Read it carefully before using your printer paying full attention to the section : Recommendations . THTN series User's Manual page 2 / 25 Ref : FDE – 3106531 - Z...

  • Page 3: Table Of Contents

    3................................20 RECOMMENDATIONS............................21 ........................21 ECHANICAL ECOMMENDATIONS ........................21 LECTRICAL ECOMMENDATIONS ......................21 OTOR RIVING ECOMMENDATIONS HEATING TIME ..............................22 ............................22 ISTORICAL ONTROL ..............................23 EATING ABLE ..........................24 HERMISTOR PECIFICATIONS INDEX..................................25 THTN series User's Manual page 3 / 25 Ref : FDE – 3106531 - Z...

  • Page 4: Unpacking

    Each printer mechanism is packaged in an antistatic bag. Observe precautions for handling in electrostatic protected areas. 2. OVERVIEW Based on static thermal printing technology, the THTN series is a family of user-friendly, highly reliable devices which have been specially designed with 5Vdots line and very small size, to suit independent terminal applications.
  • Page 5 "heating time" : depends on voltage, temperature and control way Specified standards IEC 68-2-6, IEC 68-2-29, IEC 68-2-36 * Per AXIOHM standard test conditions (which are mainly 5V, ≈ ≈ ≈ ≈ 25°C, dot printing duty cycle = 30%) THTN series User's Manual page 5 / 25...

  • Page 6: Mechanical Specifications

    Force and shape of the spur on cover should give the indicated position to make sure the switch is in open position (thus door closed). from platen axis to upper face of switch lever THTN series User's Manual page 6 / 25 Ref : FDE – 3106531 - Z...

  • Page 7: Cover Axis Position

    Tow positions for opto sensor : Middle lateral position 30.15 mm from paper path guide Set on right side at 19.5 mm from the paper path guide 30.2 19.4 THTN series User's Manual page 7 / 25 Ref : FDE – 3106531 - Z...

  • Page 8: Electrical Specifications

    4.75 Volts. Vcc must be connected to the same power supply than the other electronic circuits which drive the printer. The aim is to avoid current greater than 5A (128 dots "on" give 5 A when applying 5V). THTN series User's Manual page 8 / 25 Ref : FDE – 3106531 - Z...

  • Page 9: Function Of 64-Bit Lsi Drivers Chart And Operation

    Line of resistor dots - Output Enable (OE) 64 bits buffer Strobe register Serial 64 bits shift Input (SI) register CLOCK SERIAL OUTPUT (SO) Figure 1 driver chart THTN series User's Manual page 9 / 25 Ref : FDE – 3106531 - Z...
  • Page 10 Figure 2 Routing of data to the thermistor dots paper path direction Figure 3 Dots print order The first bit of data entered will be the first bit of data printed (FIFO). THTN series User's Manual page 10 / 25 Ref : FDE – 3106531 - Z...

  • Page 11: Electrical Specifications Of 64-Bits Lsi Driver

    Max. high-level input current 0.5 µA Max. low-level input current 0.5 µA Min. high-level output voltage open Vcc = 5V 4.45 V Max. low-level output voltage 0.05 V THTN series User's Manual page 11 / 25 Ref : FDE – 3106531 - Z...
  • Page 12 Clock – strobe hold time Strobe pulse width OE data out delay time µs Vcc = 5V or 2.7V, Temp = 25 °C with resistive load. THTN series User's Manual page 12 / 25 Ref : FDE – 3106531 - Z...

  • Page 13: Print-Head Connection

    Contact side 6.5 mm about 45 mm For the connection of the mechanism Axiohm recommend the following 30 pins connectors (from printhead flex to board) : Molex series 5597 reference 39.51.3304 (straight connector). Molex series 5597 reference 39.51.3303 (90° bent connector).

  • Page 14: Bipolar Stepping Motor

    The PCB is then connected to the main flex cable containing all supply and control. See page 13 : pin 24 to 27 of the flex cable. THTN series User's Manual page 14 / 25 Ref : FDE – 3106531 - Z...

  • Page 15: Induction Sequence And Timing (Paper Feed)

    A good way to achieve this without over heating the motor is to keep the motor phases "on" when the buffer contains data, and to release them when the buffer is empty. THTN series User's Manual page 15 / 25...

  • Page 16: Sensors Specifications

    VR = 5 V VCEO = 10V VCE = 5 V RL = 1 kΩ 4.5.2.2 Connection Integrated with the printhead connection (See page13, pins 28 to 30) THTN series User's Manual page 16 / 25 Ref : FDE – 3106531 - Z...

  • Page 17: Recommended Use For Opto-Sensor

    Pulse wave from output port with low level during 0.6 ms, measuring Vo 0.2 ms after pulse falling edge. Same conditions for output signal Vo as chapter above. THTN series User's Manual page 17 / 25 Ref : FDE – 3106531 - Z...

  • Page 18: Printer Control Techniques

    OE 1,OE 2,...OEn feed series of data simultaneously 1 to n End of printing Strobe OE 1 Motor Steps T : Clock frequency 8 MHz maximum THTN series User's Manual page 18 / 25 Ref : FDE – 3106531 - Z...

  • Page 19: Mode 2

    OE 1,OE 2,...OEn simultaneously Motor feed 1 to n End of printing Strobe OE 1 Motor Steps T : Clock frequency 8 MHz maximum THTN series User's Manual page 19 / 25 Ref : FDE – 3106531 - Z...

  • Page 20: Mode 3

    Motor feed 1 to n End of printing Clock CLK (serial input) Strobe OE 1 Motor Steps T : Clock frequency 8 MHz maximum THTN series User's Manual page 20 / 25 Ref : FDE – 3106531 - Z...

  • Page 21: Recommendations

    This motor can be controlled either under voltage or current. The maximum voltage is 8.5 V, the maximum current is 470 mA per phase. The maximum temperature on external motor frame is 80°C. THTN series User's Manual page 21 / 25...

  • Page 22: Heating Time

    Example: at 30 mm/s, 30 °C and 5 volts : previous dot dot to heat Heating time to apply dot ON 1.3 ms dot OFF 2.08 ms THTN series User's Manual page 22 / 25 Ref : FDE – 3106531 - Z...

  • Page 23: Heating Table

    0,530 0,900 0,810 0,740 0,690 0,600 0,560 0,530 0,470 8,5 Volts 40 °C 0,790 0,710 0,650 0,600 0,520 0,490 0,460 0,410 8,5 Volts 50 °C THTN series User's Manual page 23 / 25 Ref : FDE – 3106531 - Z...

  • Page 24: Thermistor Specifications

    T is in Kelvin degrees (K). This gives the following curve (for T in °C) B = 3950 K Rn = reference value at temperature Tn (298° K) kΩ °C THTN series User's Manual page 24 / 25 Ref : FDE – 3106531 - Z...

  • Page 25: Index

    Specifications ...............4 Heating time ............... 22 stepping motor............14 historical control ............22 Stepping motor current ..........8 switch .................16 Logic current ..............8 tear bar................4 thermistor ..............24 THTN series User's Manual page 25 / 25 Ref : FDE – 3106531 - Z...

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