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8.6

REPLACEMENT OF HEAD UNIT

The head unit can be replaced on two of the models in the MTP Series:  MTP401
and MTP402.

8.6.1 Removing Head Unit

➀

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).

Figure 8-11  Moving the Head Carrier

➁

Remove the flexible lead wire from
the cable support of the flexible
cable plate.
Take the adhesive off of the cable
support with tweezers.

Figure 8-12 Removing the Flexible

Lead Wire

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Summary of Contents for MTP Series

Page 1: ...AL PRINTER MECHANISM TECHNICAL REFERENCE 39019 2352 01 Seiko Instruments Inc www siipos com www sii prt com Tel 86 0755 61306761 Email kunxisz 163 com Skype kunxisz WhatsApp 13632856413 Wechat 13632856413 QQ 2676804008 ...

Page 2: ...d 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 presented including but not limited to typographical arithmetic or listing errors SII is a trademark of Seiko Instruments In...

Page 3: ...t thoroughly so that you are able to use the MTP Series Themal Printer Mechanisms properly Fully investigate the intellectual proprietary rights of the sample circuits designed in this manual before using www siipos com www sii prt com Tel 86 0755 61306761 Email kunxisz 163 com Skype kunxisz WhatsApp 13632856413 Wechat 13632856413 QQ 2676804008 ...

Page 4: ...iv ...

Page 5: ... TACHO GENERATOR OUTPUT CHARACTERISTICS 2 9 2 5 HOME SWITCH 2 10 2 6 THERMAL PRINT HEAD 2 11 2 6 1 Head Specifications 2 11 2 6 2 Head Applied Energy Correction 2 12 2 6 3 Head Activation Pulse Width 2 12 2 6 4 Control of Printing Pulse Width 2 13 2 6 5 Intialization 2 14 2 6 6 Paper Feeding 2 14 CHAPTER 3 PIN ASSIGNMENT 3 1 B HEAD MOUNTED PRINTER 3 1 3 1 1 Thermal Head Control Pin 3 1 3 1 2 Motor...

Page 6: ...UOUS PRINTING OPERATION 4 3 4 3 1 Home Switch Signal Method 4 3 4 3 2 Home Switch Signal Method 4 4 CHAPTER 5 APPEARANCE AND DIMENSIONS CHAPTER 6 SAMPLE 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 MOUNTING THE PRINTER 8 1 8 1 1 MTP102 Printer 8 1 8 1 2 MTP201 and 401 Printers 8...

Page 7: ...m shaping circuit 2 9 2 5 TG Timing Signal 2 9 2 6 OFF to ON Detection 2 10 2 7 ON to OFF Detection 2 10 2 8 Pulse Width Control 2 13 2 9 Sample Pulse Width Control Circuit 2 14 3 1 Thermal Head Control Pin Assignment B Head mounted Printer 3 1 3 2 Motor and Switch Control Pin Assignment B Head mounted Printer MTP102 3 2 3 3 Motor and Switch Control Pin Assignment B Head mounted Printer MTP201 and...

Page 8: ...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 Mounting the Paper Cutter 8 4 8 8 Mounting a Roll Holder for Heat Sensitive...

Page 9: ... analyzers office machines medical apparatus and data terminal devices The MTP Series Line Thermal Printer Mechanism has the following features Low cost Maintenace free High quality printing Battery drive Silent nonimpact system Designed for versatile applications High reliability www siipos com www sii prt com Tel 86 0755 61306761 Email kunxisz 163 com Skype kunxisz WhatsApp 13632856413 Wechat 13...

Page 10: ...1 2 ...

Page 11: ...aximum number of characters per line based on character matrix in General Specifications 2 Graphic printers MTP Base model code Print head type used Maximum number of dots per row per line www siipos com www sii prt com Tel 86 0755 61306761 Email kunxisz 163 com Skype kunxisz WhatsApp 13632856413 Wechat 13632856413 QQ 2676804008 ...

Page 12: ...mm 0 24mm Character matrix H W 7 5 dot matrix Character size H W 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 line s Approx 1 0 line s Approx 0 9 lin...

Page 13: ...nce 15cm weighing JIS A curve dynamic characteristics SLOW range Paper feed force 20g or more 50g or more Paper hold force 50g or more 100g Dimensions WDH 48 31 13 8mm 70 34 14 4mm 91 5 35 5 20mm Weight Approx 35g Approx 40g Approx 50g Paper width 38 1 0 mm 58 1 0 mm 80 1 0 mm Paper thickness 65 5µm Recommended thermal paper Maker Sensitivity Normal High sensitivity Nippon Paper Industries TP50KS ...

Page 14: ...m Character matrix H W 7 5 dot matrix Character size H W 2 4mm 1 7mm 2 4mm 1 4mm 2 4mm 1 3mm 2 4mm 1 2mm Characters per line 18 dot 2 dot spaces 24 dot 2 dot spaces 36 dot 2 dot spaces 40 dot 2 dot spaces Printing width 44 7mm 46 0mm 66 6mm 67 2mm Printing speed room temperature 5 0V Approx 0 9 line s Approx 0 9 line s Approx 0 5 line s Approx 0 5 line s Paper feed pitch 2 8mm Head activation timi...

Page 15: ...JIS A curve dynamic characteristics SLOW range Paper feed force 20g or more Paper hold force 50g or more 100g or more Dimensions W D H 70 34 14 4mm 91 5 35 5 20mm Weight Approx 40g Approx 50g Paper width 58 mm 80 mm Paper thickness 65 5µm Recommended thermal paper Maker Sensitivity Normal High sensitivity Nippon Paper Industries TP50KS A TF50KS E2C Honshu Paper Co Ltd FH65BX 14N FH65BU 2 Mitsubish...

Page 16: ...ax room temperature room humidity 5 0 VDC During paper feeding 250 mA max room temperature room humidity 5 0 VDC Commencing movement 700 mA max room temperature room humidity 5 0 VDC Ceasing movement 500 mA max room temperature room humidity 5 0 VDC Starting Printing Paper feeding 170mA max 250mA max Stopping Time 25 ms max when applying the brake Current 500mA max 700mA max Figure 2 1 Motor Drive...

Page 17: ...ignal of at least 25 ms Figure 2 2 Motor Drive Signal Timing See Section 2 5 Home Switch for home switch signal Home switch signal Motor drive signal Motor stop signal ON 100 250µs OFF 1 ms max 25 ms min www siipos com www sii prt com Tel 86 0755 61306761 Email kunxisz 163 com Skype kunxisz WhatsApp 13632856413 Wechat 13632856413 QQ 2676804008 ...

Page 18: ...e thermal head and motor drive IC because of a built in motorstop circuit a motor stop signal is not required M Vcc 270Ω 300Ω 3kΩ 30kΩ 2kΩ IN www siipos com www sii prt com Tel 86 0755 61306761 Email kunxisz 163 com Skype kunxisz WhatsApp 13632856413 Wechat 13632856413 QQ 2676804008 ...

Page 19: ...or the thermal head 1 TG output Table 2 3 TG Output 4 to 6V 5V Output voltage Vp p 2 0 to 7 0 3 5 to 6 0 Period ms 2 5 to 6 5 3 0 to 5 0 2 Sample TG waveform shaping circuit Figure 2 4 Sample TG waveform shaping circuit Timing signal Vcc 180kΩ 180kΩ 560P 2SC1740R 1SS133 TG Figure 2 5 TG Timing Signal Generation of the timing signals depends on the user TG signal Timing signal www siipos com www si...

Page 20: ...l begins TG signals after waveform shaping 1 Contact resistance 5 Ω max measuring current 50 µA 2 Current 1 0 mA max 5 0 VDC 3 OFF to ON detection Figure 2 6 OFF to ON Detection 100µs 2ms This swtich 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 detectio...

Page 21: ... 3 1Ω 17 6 1Ω B rank 14 0 1Ω 16 0 1Ω C rank 12 7 1Ω 14 4 1Ω Head applied voltage DC5 0 1V at FPC terminal Peak current in simultaneous drive of all dots ar 5 0 VDC 3 0Amax 3 0Amax Rated High sensitive thermal paper 2 30mJ Standard thermal paper 2 50mJ High sensitive thermal paper 2 30mJ Standard thermal paper 2 50mJ Max 3 00mJ 3 00mJ The resistance value of each dot in the same head may have a 5 d...

Page 22: ...ith the MTP Series the thermal head activation pulse width must be set according to the head drive voltage and the head resistance Pulse width calculation formula t R E V 2 t Pulse width for applying rated energy ms R Head resistance Ω B head G head A rank 15 3Ω 17 6Ω B rank 14 0Ω 16 0Ω C rank 12 7Ω 14 4Ω E Applied energy mJ V FPC terminal voltage V Note Procedure forpulsewidth adjustment Minimize...

Page 23: ...he pulse is synchronized with the timing signal Control the leading edge of the pulse by the pulse width control circuit to obtain the rated applied energy Figure 2 8 Pulse Width Control Timing signal Head drive signal t t 0 8t Do not exceed maximum specified energy Avoid continuous energizing When driving the same dot successively reduce the applied energy to 80 of the rated applied energy and sl...

Page 24: ...kΩ 2SC 1740R 22kΩ 1SS133 100kΩ 820p 4069UB Print pulse width 2 1 Oscillator output 3 4 5 19 18 20 Head drive signal Example 20 pulse count 2 6 5 Initialization Feed out the paper by one line and stop the print head at the 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 hom...

Page 25: ...rmal head 2nd dot 3 Dot 3 Thermal head 3rd dot 4 Dot 4 Thermal head 4th dot 5 Dot 5 Thermal head 5th dot 6 Dot 6 Thermal head 6th dot 7 Dot 7 Thermal head 7th dot 8 H COM Thermal head common 5V Figure 3 1 Thermal Head Control Pin Assignment B Head mounted Printer www siipos com www sii prt com Tel 86 0755 61306761 Email kunxisz 163 com Skype kunxisz WhatsApp 13632856413 Wechat 13632856413 QQ 26768...

Page 26: ...2 2 MTP201 and MTP401 Pin Number Signal Name Function 1 M Motor plus 5V 2 M Motor minus 3 TG Tachogenerator 4 HS TG COM Home switch Tachogenerator common GND 5 HS Home switch Figure 3 3 Motor and Switch Control Pin Assignment B Head mounted Printer MTP201 and MTP401 Home switch GND for VCC Tachogenerator GND for VCC www siipos com www sii prt com Tel 86 0755 61306761 Email kunxisz 163 com Skype ku...

Page 27: ... dot 8 Dot 8 Thermal head 8th dot 9 H COM Thermal head common 5V Figure 3 4 Thermal Head Control Pin Assignment G Head mounted Printer 3 2 2 Motor and Switch Control Pin Pin Number Signal Name Function 1 M Motor plus 5V 2 M Motor nimus 3 TG Tachogenerator 4 HS TG COM Home switch Tachogenerator common GND 5 HS Home switch Figure 3 5 Motor and Switch Control Pin Assignment G Head mounted Printer www...

Page 28: ...al head 12th dot 13 Dot 13 Thermal head 13th dot 14 Dot 14 Thermal head 14th dot 15 Dot 15 Thermal head 15th dot 16 Dot 16 Thermal head 16th dot 17 H COM Thermal head common 5 V Figure 3 6 Thermal Head Control Pin Assignment E Head mounted Printer 3 3 2 Motor and Switch Control Pin Recommended connector 5597 06CPB Molex Japan Pin Number Signal Name Function 1 2 HS HS Home switch GND for Vcc 3 M Mo...

Page 29: ...art when using a B head mounted printer The number of the head drive signal depends on the type of thermal head mounted on the printer www siipos com www sii prt com Tel 86 0755 61306761 Email kunxisz 163 com Skype kunxisz WhatsApp 13632856413 Wechat 13632856413 QQ 2676804008 ...

Page 30: ...gnals in are issued from the circuit side Figure 4 1 Timing Chart www siipos com www sii prt com Tel 86 0755 61306761 Email kunxisz 163 com Skype kunxisz WhatsApp 13632856413 Wechat 13632856413 QQ 2676804008 ...

Page 31: ...termined for each line on the basis of the ON rise of the home switch signal Figure 4 3 Continuous Printing Timing Chart Home Switch Detection Method Motor drive signal Timing signal Head drive signal Home switch signal TG signal 1 2 3 4 5 1 2 3 4 5 OFF ON OFF 6 ON Due to a detection error of the home switch signal the print start position may deviate by a maximum of 1 dot www siipos com www sii p...

Page 32: ...signal OFF OFF ON 1 2 3 2 2 1 1 N N 1st line Ignored 2nd line Ignored 3rd line 3 3 Timing signal count is started after the home switch turned ON for the first line When the timing signal count becomes N 1 the head completes one stroke and returns to the position of timing signal count 1 on the first line At this point ignore the home switch signal For the second line replace N 1 with 1 and procee...

Page 33: ... MTP102 13B 160 MTP201 G128 276 16B 200 G166 276 MTP201 20B 230 MTP401 G256 450 24B 276 G280 450 MTP401 40B 450 www siipos com www sii prt com Tel 86 0755 61306761 Email kunxisz 163 com Skype kunxisz WhatsApp 13632856413 Wechat 13632856413 QQ 2676804008 ...

Page 34: ...4 6 www siipos com www sii prt com Tel 86 0755 61306761 Email kunxisz 163 com Skype kunxisz WhatsApp 13632856413 Wechat 13632856413 QQ 2676804008 ...

Page 35: ...5 1 CHAPTER 5 APPEARANCE AND DIMENSIONS Figures 5 1 to 5 6 shows the appearance and external dimensions of the MTP Series printer mechanisms ...

Page 36: ...gure 5 1 MTP102 B head mounted Appearance and External Dimensions www siipos com www sii prt com Tel 86 0755 61306761 Email kunxisz 163 com Skype kunxisz WhatsApp 13632856413 Wechat 13632856413 QQ 2676804008 ...

Page 37: ...gure 5 2 MTP201 B head mounted Appearance and External Dimensions www siipos com www sii prt com Tel 86 0755 61306761 Email kunxisz 163 com Skype kunxisz WhatsApp 13632856413 Wechat 13632856413 QQ 2676804008 ...

Page 38: ...gure 5 3 MTP201 E head mounted Appearance and External Dimensions www siipos com www sii prt com Tel 86 0755 61306761 Email kunxisz 163 com Skype kunxisz WhatsApp 13632856413 Wechat 13632856413 QQ 2676804008 ...

Page 39: ...gure 5 4 MTP401 B head mounted Appearance and External Dimensions www siipos com www sii prt com Tel 86 0755 61306761 Email kunxisz 163 com Skype kunxisz WhatsApp 13632856413 Wechat 13632856413 QQ 2676804008 ...

Page 40: ...gure 5 5 MTP201 G head mounted Appearance and External Dimensions www siipos com www sii prt com Tel 86 0755 61306761 Email kunxisz 163 com Skype kunxisz WhatsApp 13632856413 Wechat 13632856413 QQ 2676804008 ...

Page 41: ...gure 5 6 MTP401 G head mounted Appearance and External Dimensions www siipos com www sii prt com Tel 86 0755 61306761 Email kunxisz 163 com Skype kunxisz WhatsApp 13632856413 Wechat 13632856413 QQ 2676804008 ...

Page 42: ...5 8 ...

Page 43: ...6 1 CHAPTER 6 SAMPLE CIRCUIT BLOCK DIAGRAM Figures 6 1 and 6 2 shows the samples of the circuit block diagrams ...

Page 44: ...6 2 Figure 6 1 Sample Block Diagram B Head mounted Printer www siipos com www sii prt com Tel 86 0755 61306761 Email kunxisz 163 com Skype kunxisz WhatsApp 13632856413 Wechat 13632856413 QQ 2676804008 ...

Page 45: ...6 3 Figure 6 2 Sample Block Diagram G Head mounted Printer www siipos com www sii prt com Tel 86 0755 61306761 Email kunxisz 163 com Skype kunxisz WhatsApp 13632856413 Wechat 13632856413 QQ 2676804008 ...

Page 46: ...6 4 ...

Page 47: ...y high temperature or at high humidity the thermal head may be electrolytically corroded To prevent the thermal head from being electorlytically corroded Keep the thermal paper away from the ground Turn OFF the VP power supply when not printing 7 2 HANDLING PRECAUTIONS If any paper other than that specified is used the high print quality and long life of the thermal head can not be guaranteed Poss...

Page 48: ...load paper in the direction in which the paper is normally fed If paper is unloaded in the reverse direction the paper feed mechanism may become damaged Do not use a thermal paper roll whose core and the paper are attached otherwise the paper will lock causing the paper feed to suddenly increase the amount fed resulting in damage to the paper feed mechanism Remove the debris on the surface of the ...

Page 49: ...ided on its back two dowels and two holes diagonally for mounting the printer see Figure 8 1 When mounting with screws Mount the printer by tightening the tapping screws from under the mounting base In this case the dowels are used as a reference for positioning see Figure 8 2 Figure 8 1 MTP102 Printer Back Figure 8 2 Mounting with Screws MTP102 Printer www siipos com www sii prt com Tel 86 0755 6...

Page 50: ... 8 3 Do not push on the eaves at the motor end 8 1 2 MTP201 and 401 Printers The MTP201 and 401 printers are provided with φ2 2 mm mounting holes at the two corners of the printer see Figure 8 4 Figure 8 3 Mounting without Screws MTP102 printer Figure 8 4 MTP201 and 401 Printers Back www siipos com www sii prt com Tel 86 0755 61306761 Email kunxisz 163 com Skype kunxisz WhatsApp 13632856413 Wechat...

Page 51: ...5 When mounting without screwsWith the φ2 2 mm holes as a reference for positioning fix the printer by pressing the eaves on both sides of the upper portion of the printer Figure 8 5 Mounting with Screws MTP201 and 401 Printer Figure 8 6 Mounting without Screws MTP201 and 401 Printer www siipos com www sii prt com Tel 86 0755 61306761 Email kunxisz 163 com Skype kunxisz WhatsApp 13632856413 Wechat...

Page 52: ...re 8 7 Mounting the Paper Cutter This type of design may cause damage to the paper surface Furthermore it may apply excessive force on the thermal head when cutting the paper Design conditions The paper hold tension indicates the opposing force produced when the paper is pulled out through the outlet It is expressed as X g or more in the specifications As this is a specification for the printer de...

Page 53: ...e 8 8 Example of improper design Roll without core 1 The roll rolls easily 2 The roll remains securely in the holder Design conditions The paper feed tension is expressed as X g or more in the specifications Since this is a specification for the printer feed design the roll holder so that the paper tension is X g or less Figure 8 8 Mounting a Roll Holder for Heat Sensitive paper Figure 8 9 Roll wi...

Page 54: ...per guides have attached as shown below if the thermal paper is pulled taut correct contact between the thermal head and the thermal paper can not be obtained and printing will be adversely affected Improper thermal paper take up device Proper thermal paper take up device www siipos com www sii prt com Tel 86 0755 61306761 Email kunxisz 163 com Skype kunxisz WhatsApp 13632856413 Wechat 13632856413...

Page 55: ... position of the FPC connector 8 5 2 Bend Radius of Flexible Cable Design the case of peripheral device to provide for a minimum radius of at least 5R mm at the point where the flexible cable bends Base Model a mm MTP 102 MTP 201 MTP 401 5 3 5 3 8 0 Figure 8 10 Bend Radius of Flexible Cable www siipos com www sii prt com Tel 86 0755 61306761 Email kunxisz 163 com Skype kunxisz WhatsApp 13632856413...

Page 56: ...o allow easy replacement of the head unit see Figure 8 11 Figure 8 11 Moving the Head Carrier Remove the flexible lead wire from the cable support of the flexible cable plate Take the adhesive off of the cable support with tweezers Figure 8 12 Removing the Flexible Lead Wire www siipos com www sii prt com Tel 86 0755 61306761 Email kunxisz 163 com Skype kunxisz WhatsApp 13632856413 Wechat 13632856...

Page 57: ...er see Figure 8 13 Holding both sides of the head unit with your fingers pull out the head unit in the direction shown by arrow B see Figure 8 14 Figure 8 13 Pulling out the Flexible Cable Plate Figrue 8 14 Pulling Out the Head Unit www siipos com www sii prt com Tel 86 0755 61306761 Email kunxisz 163 com Skype kunxisz WhatsApp 13632856413 Wechat 13632856413 QQ 2676804008 ...

Page 58: ... under the guide pin and the head feed screw After inserting the head unit terminal arrange the components as shown in Figure 8 16 Then rotate the head portion of the unit by 90 into the position shown in Figure 8 13 Figure 8 15 Inserting the Head Unit Terminal Figure 8 16 Rotating the Head Portion of the Unit www siipos com www sii prt com Tel 86 0755 61306761 Email kunxisz 163 com Skype kunxisz ...

Page 59: ... 8 18 Pushing the Flexible Cable PLate Insert the flexible cable into the cable support of the flexible cable plate with care not to bend the heat compressor of the head unit see Figure 8 19 Figure 8 19 Inserting the Flexible Cable Return the head carrier to the home position home switch side www siipos com www sii prt com Tel 86 0755 61306761 Email kunxisz 163 com Skype kunxisz WhatsApp 136328564...

Page 60: ...8 12 ...

Page 61: ...980305MS ...

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