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MT002

www.custom.biz

Thermal printing mechanism

MT002

User’s Manual

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Summary of Contents for MT002

Page 1: ...MT002 www custom biz Thermal printing mechanism MT002 User s Manual ...

Page 2: ... from its use Feedback regarding any errors in the manual s content or suggestions on how it could be improved would be greatly appreciated Since its products are subject to continuous checking and improvement CUSTOM ENGINEERING SPA reserves the right to modify the information contained in this manual without prior notice COD DOME MT002 PRELIMINARY VERS 0 00 Copyright 2006 CUSTOM ENGINEERING SPA I...

Page 3: ...MT002 1 2 3 B A C 4 Printing mechanism models A MT002 Front exterior view 1 Motor 2 Print Head cable 3 Print Head 4 Knob paper feed A Paper input B Paper outfeed C Paper end sensor ...

Page 4: ...MT002 Blank page ...

Page 5: ...eed up to 90 mm sec Paper width mm 58 mm 0 1 mm Paper roll maximum diameter 60 mm Paper feed method Friction feed 1 dot line 2 pulses bipolar Head temperature sensor Thermistor Paper detection Photo interrupter reflessive Maximum number of dots activated at a time 100 Dot resistance Rav 176 Ω 4 Number of strobes 2 5 C 0 16 mJ dot 0 68 ms VH 7 2V 25 C 0 13 mJ dot 0 55 ms VH 7 2V Header energy 45 C ...

Page 6: ...t operating temperature range 10 50 C Operating humidity 10 90 RH no condensation Environment storage temperature except paper 20 70 C MAIN FEATURES Paper width 58 mm 0 1 mm Resolutions 8dot mm 203dpi Autoloading capability Printing speed up to 90 mm sec Sensors Paper end sensor temperature sensor thermistor 30K Life 50 Km Printed paper Compact Layout ...

Page 7: ...6 Fig 1 1 BOTTOM VIEW 1 1 CONNECTIONS TERMINALS The mechanism has one interface connector see fig 1 1 that includes the thermal head signal motor control and paper sensor control The connector s pin assignments is as follows see Tab 1 1 ...

Page 8: ...e L r e t t i m e 8 H V Y L P P U S R E W O P D A E H 9 H V Y L P P U S R E W O P D A E H 0 1 H V Y L P P U S R E W O P D A E H 1 1 T A L H C T A L 2 1 D N G D N U O R G 3 1 D N G D N U O R G 4 1 D N G D N U O R G 5 1 1 B T S L A N G I S 1 E B O R T S 6 1 M T R O T S I M R E H T 7 1 V D D E G A T L O V C I G O L 8 1 2 B T S L A N G I S 2 E B O R T S 9 1 D N G D N U O R G 0 2 D N G D N U O R G 1 2 ...

Page 9: ...1 CONNECTIONS MT002 1 3 Motor 1 2 3 4 5 6 7 8 9 21 22 23 24 25 26 PH2B PH1B PH1A PH2A A B 1 2 Electrical circuit block diagram of motor Fig 1 2 ...

Page 10: ...1 CONNECTIONS MT002 1 4 5 6 7 A C K E 1 3 2 4 8 9 21 22 23 24 25 26 Fig 1 3 1 3 Electrical circuit block diagram of Paper end sensor ...

Page 11: ...e dot element damage Turn On Apply the logic supply voltage Vdd first and then the printhead supply voltage VH Turn Off Switch off the printhead supply voltage VH first and then turn the logic voltage Vdd off 3 The printhead shall be disabled in STB during Power ON OFF or Power VH Logic Vdd sequence described in note 2 shall be kept 4 Heat elements and IC s shall be anti electrostatic in order to ...

Page 12: ...ese kind of mechanical resonance 10 Please pay attention that the paper used does not include bad factor to affect printhead life 11 The print density variation may become larger if the number of dots energized at same time becomes greater than 100 12 In order to avoid surge a 47 μF capacitor is required between VH and GND at controller board side 0 1 μF ceramic capacitor should be placed between ...

Page 13: ... Item SYMBOL MINI TYP MAXI Unit Conditions Head power supply VH 7 2 8 5 V Logic power supply VDD 3 00 5 00 5 25 V Logic supply current IDD 54 mA fDI fCLK 2 High VIH 0 8 x VDD VDD V Input Voltage Low VIL 0 0 2 x VDD V STB DI LAT CLK High IIH DI 0 5 uA Data input current DI Low IIL DI 0 5 uA High IIH STB 30 uA STB input current STB Low IIL STB 0 5 uA High IIH CLK 3 uA Clock input current CLK Low IIL...

Page 14: ... width tw CLK 95 155 ns Data set up time t setup DI 100 140 ns VDD 5 0V fCLK 5MHz VDD 3 3V fCLK 3MHz Data hold time t hold DI 85 ns 50 VDD 5 0V Data out delay time td DO 90 ns VDD 3 3V Latch width tw LAT 150 ns Latch set up time t setup LAT 200 ns Latch Hold time t hold LAT 80 ns STB set up time t setup STB 300 ns Driver out delay time tdo 10 30 μs VDD 5 0V VDD 3 3V Notes CLK should be used at dut...

Page 15: ...unction of the head temperature and to monitor the temperature to prevent the head damage if the temperature is over the limit described in the Maximum conditions table Resistance R25 30 KW 5 at 25 C B value 3950 K 2 Operating temperature 20 80 C Time costant Max 30 sec in the air Then the resistance value R versus temperature T in C is given by the formula R T R25 e B 1 TX 1 T25 2 8 1 Thermistore...

Page 16: ...2 PRINT HEAD MT002 2 6 Blank page ...

Page 17: ...ng torque 33 7 gf cm MIN Pull out torque 1200 pps 13 3 gf cm MIN Insulation resistance 100 MΩ MIN 500 Vdc Insulation class Class E Dielectric strength AC 500V 1 min Life 3000 Hr min Maximum coil temperature 115 C 3 1 2 Excitation sequence The motor is driven in the forward direction if its excitation phases are switched as per the following steps e c n e u q e S l a n g i S B 2 H P B 1 H P A 1 H P...

Page 18: ...driver to obtain the maximum torque force instead transistor driver transistor driver lose voltage VCEsat 2 2 Please check the ratio print pause to prevent the overtemperature on stepper motor 3 If the motor is driven by more than 5 volts we suggest to use a chopper driving in order to reduce current please contact CUSTOM ENGINEERING SPA for further information Fig 3 1 ...

Page 19: ...0 85 C Storage temperature range TSTG 30 100 C 1 NOTE Pulse width 100 μs Repetitive frequency 100 Hz Opto electrical characteristics Ta 25 C Parameter Symbol Conditions MIN TYP MAX Unit Forward voltage VF IF 10 mA 1 3 V Reverse current IR VR 5 V 10 μA Input Peak emission wavelength λP IF 10 mA 940 nm Collector dark current ICEO VCE 10 V 0 2 μA Output Peak sensibility wavelength λP 900 nm Light cur...

Page 20: ...4 SENSOR MT002 2 4 4 2 GRAPHICS OF TYPICAL CHARACTERISTICS Collector Power dissipation vs Ambient Temperature Fig 4 1 Fig 4 2 Forward Current vs Forward Voltage ...

Page 21: ...4 SENSOR MT002 3 4 90 Reflective paper Fig 4 3 Fig 4 4 Light Current vs Forward Current Light Current vs Collector Emitter Voltage ...

Page 22: ...4 SENSOR MT002 4 4 Fig 4 6 Fig 4 5 Relative light current vs Ambient temperature Dark current vs Ambient temperature ...

Page 23: ...4 SENSOR MT002 5 4 Fig 4 7 Fig 4 8 Switching time vs Load resistance Relative light current vs Moving distance ...

Page 24: ...4 SENSOR MT002 6 4 Blank Page ...

Page 25: ...8 1 21 5 32 95 4 5 0 05 0 05 2 0 05 0 05 26 0 1 0 1 4 5 0 05 0 05 11 7 13 6 3 7 2 6 2 5 27 30 28 5 27 75 27 75 1 9 n 3 holes 5 57 5 29 33 5 1 DIMENSIONS OF MT001 MODEL The figure 5 1 illustrates the overall dimensions for the MT002 thermal printing mechanism Dimensions in mm Fig 5 1 ...

Page 26: ...5 DIMENSIONS MT002 2 5 Blank page ...

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