SII MTP Series Technical Reference Download Page 49

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8.6 REPLACEMENT OF HEAD UNIT

The model which can replace the head unit is the printer of MTP 401 series.

8.6.1 Removing Head Unit

(1) Move the head carrier to position A by turning the motor gear by hand to allow easy replacement of

the head unit (see figure 8-11).

Motor gear

Motor

Head unit

Approx. 2 cm

Head carrier frame

Figure 8-11 Moving the Head Carrier

8-8

(2) Remove the flexible lead wire from the

cable support of the flexible cable plate.
Take the adhesive off of the cable support
with tweezers.

Flexible lead wire support plate

Flexible lead wire

Cable support portion

Figure 8-12 Removing the Flexible Lead Wire

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Summary of Contents for MTP Series

Page 1: ...MTP SERIES THERMAL PRINTER MECHANISM TECHNICAL REFERENCE U00084438003 Downloaded from Arrow com ...

Page 2: ...by SII personnel licensees and customers The information contained herein is the property of SII and shall not be reproduced in whole or in part without the prior written approval of SII SII reserves the right to make changes without notice to the specifications and materials contained herein and shall not be responsible for any damages including consequential caused by reliance on the materials p...

Page 3: ... information mentioned as MTP is common to all models unless otherwise noted and if the information is different depending on the model specific model name is mentioned clearly Fully investigate the intellectual proprietary rights of the sample circuits designed in this manual before using The printer complies with EU RoHS Directive 2002 95 EC The printer contains Pb the details are described belo...

Page 4: ... 10 2 6 2 Head Applied Energy Correction 2 11 2 6 3 Head Activation Pulse Width 2 12 2 6 4 Control of Printing Pulse Width 2 13 2 6 5 Initialization 2 14 2 6 6 Paper Feeding 2 14 CHAPTER 3 TERMINAL ASSIGNMENT 3 1 B HEAD MOUNTED PRINTER 3 1 3 1 1 Thermal Head Control Terminal 3 1 3 1 2 Motor and Switch Control Terminal 3 2 3 2 G HEAD MOUNTED PRINTER 3 3 3 2 1 Thermal Head Control Terminal 3 3 3 2 2...

Page 5: ... CIRCUIT BLOCK DIAGRAM CHAPTER 7 DESIGNING AND HANDLING PRECAUTIONS 7 1 DESIGN PRECAUTIONS 7 1 7 2 HANDLING PRECAUTIONS 7 1 CHAPTER 8 DESIGN OF PERIPHERAL DEVICES 8 1 DESIGN PRECAUTIONS 8 1 8 1 1 MTP102 Printer 8 1 8 1 2 MTP201 and 401 Printers 8 2 8 2 MOUNTING THE PAPER CUTTER 8 4 8 3 MOUNTING A ROLL HOLDER FOR HEAD SENSITIVE PAPER 8 5 v Downloaded from Arrow com Downloaded from Arrow com Downloa...

Page 6: ...ications 2 4 2 3 TG Output 2 8 FIGURES Figure Page 2 1 Motor Drive Characteristics 2 6 2 2 Motor Drive Signal Timing 2 7 2 3 Sample Motor Drive Circuit 2 7 2 4 Sample TG waveform shaping circuit 2 8 2 5 TG Timing Signal 2 8 2 6 OFF to ON Detection 2 9 2 7 ON to OFF Detection 2 9 2 8 Sample Thermal Head Drive Circuit 2 11 2 9 Pulse Width Control 2 13 2 10 Sample Pulse Width Control Circuit 2 14 vi ...

Page 7: ...ns 5 6 6 1 Sample Circuit Block Diagram B Head mounted Printer 6 2 6 2 Sample Circuit Block Diagram G Head mounted Printer 6 3 8 1 MTP102 Printer Back 8 1 8 2 Mounting with Screws MTP102 printer 8 1 8 3 Mounting without Screws MTP102 printer 8 2 8 4 MTP201 and 401 Printers Back 8 2 8 5 Mounting with Screws MTP201 and 401 Printer 8 3 8 6 Mounting without Screws MTP201 and 401 Printer 8 3 8 7 Mounti...

Page 8: ...nd data terminal devices The MTP Series Line Thermal Printer Mechanism has the following features Compact and light weight Maintenance free High quality printing Battery drive Silent nonimpact system Designed for versatile applications High reliability 1 1 Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded fr...

Page 9: ...acter matrix in General specifications 2 Graphic printers MTP 1 Base model code 3 Print head type used 4 Maximum number of dots per row per line 3 4 1 2 1 Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com ...

Page 10: ...2 4mm 1 5mm 2 4mm 1 2mm 2 4mm 1 6mm 2 4mm 1 4mm 2 4mm 1 2mm Characters per line 13 dot 2 dot spaces 16 dot 2 dot spaces 20 dot 2 dot spaces 24 dot 2 dot spaces 40 dot 2 dot spaces Printing width 26 7mm 26 4mm 45 9mm 46 0mm 66 7mm Printing speed room temperature 5 0V Approx 1 5 line s Approx 1 2 lines s Approx 1 0 line s Approx 0 9 line s Approx 0 5 line s Paper feed pitch 3 8mm Head activation tim...

Page 11: ...e Paper feed force 0 196N 20gf or more 0 49N 50gf or more Paper hold force 0 49N 50gf or more 0 98N 100gf or more Dimensions W D H 48 31 13 8mm 70 34 14 4mm 91 5 35 5 20mm Mass Approx 35g Approx 40g Approx 50g Paper width 38 0 mm 1 58 0 mm 1 80 mm 0 1 Paper thickness 65 5 μm 59 5 μm when using TF50KS E2D Recommended thermal paper Maker Sensitivity Normal High sensitivity Nippon Paper Industries TP...

Page 12: ...2 4mm 1 2mm Character per line 18 dot 2 dot spaces 24 dot 2 dot spaces 40 dot 2 dot spaces Printing width 44 7mm 46 0mm 67 2mm Printing speed room temperature 5 0V Approx 0 9 line s Approx 0 9 line s Approx 0 5 line s Paper feed pitch 2 8mm Head activation timing detection Via a tachogenerator Home position detection Via a mechanical switch Operating voltage range DC5 0V 1 0V 2 4 Downloaded from A...

Page 13: ... Paper feed force 0 196N 20gf or more Paper hold force 0 49N 50gf or more 0 98N 100gf or more Dimensions W D H 70 34 14 4mm 91 5 35 5 20mm Mass Approx 40g Approx 50g Paper width 58 mm 0 1 0 1 80 mm Paper thickness 65 5 μm 59 5 μm when using TF50KS E2D Recommended thermal paper Note1 Should be no scratches due to foreign material Maker sensitivity Normal High sensitivity Nippon Paper Industries TP5...

Page 14: ...mencing movement 700 mA max room temperature room humidity 5 0 V DC Ceasing movement 500 mA max room temperature room humidity 5 0 V DC Starting 25 ms max when applying the brake 700 mA max Current Paper feeding Printing 250 mA max 170 mA max Time 500 mA max Stopping Figure 2 1 Motor Drive Characteristics 2 6 Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded ...

Page 15: ...ing When using this circuit a motor stop signal is not required Vcc IN M 270Ω M M DTC123E 22kΩ 2SD999 2SD1699 Figure 2 3 Sample Motor Drive Circuit 2 7 Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded fro...

Page 16: ...ample TG waveform shaping circuit 180kΩ 180kΩ Vcc Timing signal 560P 2SC1740 1SS133 TG Figure 2 4 Sample TG waveform shaping circuit TG signal Timing signal Generation of the timing signals depends on the user Figure 2 5 TG Timing Signal 2 8 Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Do...

Page 17: ...on Figure 2 6 OFF to ON Detection This switch has the characteristics that the ON state exists for more than 100 μs within 2 ms of when the home switch switches from OFF to ON Do not detect the switch until after 1 line has printed after detection of the first ON detection 4 ON to OFF detection Figure 2 7 ON to OFF Detection This switch has the characteristics that the OFF state exists for more th...

Page 18: ...simultaneous drive of all dots at 5 0 V DC 3 0A max 3 0A max Rated High sensitive thermal paper 2 30mJ Standard thermal paper 2 50mJ Head applied energy 24 C 5 0V Max 3 00mJ 3 00mJ The resistance value of each dot in the same head may have a 5 dispersion rate and the average values are indicated on the rank table above Rank symbols are printed on the FPC 2 10 Downloaded from Arrow com Downloaded f...

Page 19: ...C terminal volatage V T Temperature C E0 Rated energy mJ B head G head High sensitive thermal paper 2 3mJ 2 3mJ Standard thermal paper 2 5mJ 2 5mJ V0 Rated voltage 5 0V T0 Room temperature 24 C 2 11 Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arr...

Page 20: ... with a checked pattern 3 Measure the head terminal voltage by using a synchroscope 4 Gradually adjust applied pulse width which is calculated by using the pulse width calculation formula 2 12 Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com...

Page 21: ...d drive signal Timing signal Figure 2 9 Pulse Width Control Avoid continuous energizing When driving the same dot successively reduce the applied energy to 80 of the rated applied energy and slow down the rise of the head driving signal 2 13 Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Do...

Page 22: ... home position after turning on the power 2 6 6 Paper Feeding Paper is fed automatically upon input of a motor drive signal After paper is fed the head must stop always at the home position 2 14 Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow c...

Page 23: ...ontrol Terminal Assignment B Head mounted Printer 3 1 Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Download...

Page 24: ... switch Figure 3 3 Motor and Switch Control Terminal Assignment B Head mounted Printer MTP201 and MTP401 3 2 Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downl...

Page 25: ...ator 4 HS TG COM Home switch Tachogenerator common GND 5 HS Home switch Solder plated surface Figure 3 5 Motor and Switch Control Terminal Assignment G Head mounted Printer 3 3 Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from...

Page 26: ...wnloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded f...

Page 27: ...om Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow c...

Page 28: ...int start position may deviate by a maximum of 1 dot 4 3 Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downl...

Page 29: ... home switch signal 3 For the second line replace N 1 with 1 and proceed to the timing signal count 4 When the timing signal count becomes N 1 replace N 1 with 1 and conduct timing signal count for the third line 5 Upon completion of printing the third line detect the ON to OFF of the home switch and stop the motor to complete an operation cycle 4 4 Downloaded from Arrow com Downloaded from Arrow ...

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Page 32: ...row com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Do...

Page 33: ...aded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from ...

Page 34: ...rom Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow ...

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Page 36: ...rom Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow ...

Page 37: ...rom Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow ...

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Page 40: ...sensitivity paper Abrasion of the thermal head due to paper surface which is too rough Print fading due to low print preservation Corrosion of the thermal head Poor print quality due to paper trash attachment Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloade...

Page 41: ...rrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com D...

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Page 43: ...rom Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow ...

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Page 45: ... force of X N or less 8 4 Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded from Arrow com Downloaded...

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