WOOSIM Porti-M200H Operator's Manual

Thermal printing mechanism

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Summary of Contents for WOOSIM Porti-M200H

  • Page 1 Porti-M200H ’ ’ http://www.woosim.com...
  • Page 2 2005 by Woosim System Inc. All rights reserved. The information contained in this manual is the property of Woosim System Inc. and may not be reproduced in whole or in part without the prior written permission of Woosim System Inc.
  • Page 3: Table Of Contents

    2.8.4 THERMISTOR SPECIFICATION ........................17 3. PAPER FEED MOTOR ............................. 18 3.1 Ratings ..................................18 3.2 Electrical characteristics ............................18 3.3 Mechanical properties............................. 19 3.4 Excitation ( 2 phase, Full step ) ..........................19 3.5 Environmental properties............................19 4. PAPER END SENSOR............................... 20 http://www.woosim.com...
  • Page 4 6.2 Disassembly................................22 6.2.1 Remove the Platen............................22 6.2.2 Remove the Sensor ............................22 6.2.3 Remove the TPH and the Stepping Motor ....................... 23 6.2.4 Remove the Fix Spring ............................ 23 Figure A.1 EXPLODED DIAGRAM OF Porti-M200H ....................24 http://www.woosim.com...
  • Page 5: I N T R O D U C T I On

    Head temperature sensor Thermistor Paper detection Reflecting photosensor Heater resistance Number of strobes External dimensions (W x D x H) 68.1 x 16.8 x 32.7 mm Weight 32.5g Life/Reliability 50Km Recommended paper TSP-F50US or equivalent Input Power 9VDC/ MAX 3A http://www.woosim.com...
  • Page 6: Description Of The Mechanism

    The main characteristics of the Porti-M200H thermal printing mechanism are definitely the reliability, the quality and the long lasting performance, making it the suitable product for industrial environments such as weighting, control, safety systems, as well as medical and portable applications.
  • Page 7: Connections

    The Porti-M200H mechanism has 3 interface connectors, Print head connector and Paper feed motor control connector, Paper end sensor. In the table below are described the connector specifications and functions: Connector Type Pin No. Connector for FPC (pitch 1mm) such as molex...
  • Page 8: Thermal Print Head

    (TABLE 2) PIN No. SIGNAL /LAT STB1 STB2 STB3 STB4 STB5 STB6 http://www.woosim.com...
  • Page 9: Paper Feed Motor Connector

    ’ ’ Pin No. Signal Phase Phase A Phase A Phase B Phase B http://www.woosim.com...
  • Page 10: Paper End Sensor Connector

    ’ ’ Pin No. Signal Name Signal ( Open collector) http://www.woosim.com...
  • Page 11: Print Head

    + 0.5 * Mechanical Conditions Item Mechanical Conditions Unit or Conditions Platen Pressure 14.7 1.96 N/print width Platen Hardness Shore A Platen Diameter Max. 9.0 Scanning Resolution 16.0 line/mm * Thermal Paper use for Evaluation - OJI KF50-HAD or Equivalent http://www.woosim.com...
  • Page 12: Ambient Conditions

    (2) Variation of Density *1 Max.0.3 *1 with Macbeth Densitometer RD-914 Life is defined that resistance value of any dots changes more than or equal to 15% from the initial value. (1) Pulse Life 1 10 pulses (2) Abrasion Life 50Km http://www.woosim.com...
  • Page 13: Print Quality (At Standard Conditions And Operation Temperature Is Higher Or Equal 5 )

    IC protective coating and pin protective coating, in order to ensure to the good printing quality. (17) Thermal head is heat-generating device; it can cause smoking and combustion as a result of abnormal heating if damaged electrically or mechanically. http://www.woosim.com...
  • Page 14 (19) Please design power source for head (VH, VDD) to be shutdown when the thermal head surpasses the maximum rated wattage while STB is On, or the printing medium does not move like paper jam. Otherwise, heated printing medium bums and sticks to the head and may lead to combustion in the worst case. http://www.woosim.com...
  • Page 15: Circuit Diagram

    Fig.2.8 STB No. Dot No. Dots/STB. 1 ~ 64 65 ~ 128 129 ~ 192 193 ~ 256 257 ~ 320 321 ~ 384 http://www.woosim.com...
  • Page 16: Electrical Characteristics Of Circuit

    10(30) =5V (V =3.3V) TIME *1 When using over f =5 , CLK is used at 50% duty. Also, The ratio of DATA SET-UP TIME and DATA HOLD TIME is controlled a 1:1 ratio within one cycle of CLK. http://www.woosim.com...
  • Page 17: Timing Chart

    Fig. 2.8.3 http://www.woosim.com...
  • Page 18: Thermistor Specification

    1) RESISTANCE R25 : 30 5% at 25 2) B VALUE : 3950 3) RESISTANCE vs. TEMPERATURE : Fig.4 RATING; 1) OPERATING TEMPERATURE : -20 ~ +80 2) TIME CONSTANT : Max. 30sec(in the air) Fig. 2.8.4 RX=R25*EXP{B*(1/TX-1/T25)} (T; ABSOLUTE TEMPERATURE) Fig.4 TEMPERATURE http://www.woosim.com...
  • Page 19: Paper Feed Motor

    DC500V between winding and case Dielectric strength 2mA ( AC 600V 0.5SEC ) between winding and case Temperature rise 90 deg. MAX Motor 7.2VDC , 600PPS winding At distance of 20mm from motor Flux leakage 10 Gauss MAX. surface http://www.woosim.com...
  • Page 20: Mechanical Properties

    SUS 420J2 Noise No unusual sound STEP Switching sequence for cw rotation Operation temperature / humidity range Temperature : Humidity : 80% ( No condensing ) Storage temperature / humidity range Temperature : Humidity : 90% ( No condensing ) http://www.woosim.com...
  • Page 21: Paper End Sensor

    Forward voltage =4mA Reverse current INPUT Capacitance V=0V, f=1 Peak wavelength Collector dark OUTPUT =10V current Light current =2V, I =4mA Leakage current =2V, I =4mA CEOD Rise time sec. Switching =100 A speeds Fall time sec. (Ta=25 ) http://www.woosim.com...
  • Page 22: Dimensions

    The figure 5.1 illustrates the overall dimensions for the Porti-M200H thermal printing mechanism. (Dimension in mm) http://www.woosim.com...
  • Page 23: Disassembley And Assembly

    PLATEN, the Snap Ring and the Ring . Remove the Gear Holder Pin and detach the Idle Gear#8, Idle Gear #5, and Idle Gear #7. Using a screwdriver, remove the Screw(2x3) from the Main Frame. Detach the Sensor Bracket and the SENSOR ass’y. http://www.woosim.com...
  • Page 24: Remove The Tph And The Stepping Motor

    Using a screwdriver, remove the Screw (M1.7x4) and detach the STEPPING MOTOR. Remove the MANUAL CUTTER from the “A”. Unhook the TPH from the Main Frame. Detach the Support from the TPH Unhook the Fix Spring from Main Frame. (Left & Right) http://www.woosim.com...
  • Page 25 http://www.woosim.com...

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