Seiko MTP Series Technical Reference
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Seiko MTP Series Technical Reference

Thermal printer mechanism
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MTP SERIES
THERMAL
PRINTER MECHANISM
TECHNICAL REFERENCE
39019-2352-01
Seiko Instruments Inc.

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  • Page 1 Tel:+86-0755-61306761 Email:kunxisz@163.com Skype:kunxisz WhatsApp:13632856413 Wechat:13632856413 QQ:2676804008 MTP SERIES THERMAL PRINTER MECHANISM TECHNICAL REFERENCE 39019-2352-01 Seiko Instruments Inc.
  • Page 2 Copyright 1995 by Seiko Instruments Inc. All rights reserved. Seiko Instruments Inc. (SII) has prepared this manual for use 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.
  • Page 3 QQ:2676804008 This reference manual describes the specifications and basic operating procedures for the MTP Series Themal Printer Mechanisms. Read it 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...

  • Page 5: Table Of Contents

    TABLE OF CONTENTS Section Page CHAPTER 1 FEATURES CHAPTER 2 SPECIFICATIONS PART NUMBER..................GENERAL SPECIFICATIONS..............2.2.1 Character Printers ..............2.2.2 Graphic Printers................. MOTOR DRIVE CHARACTERISTICS............. TG (TACHO-GENERATOR) OUTPUT CHARACTERISTICS ....HOME SWITCH..................2-10 THERMAL PRINT HEAD ................. 2-11 2.6.1 Head Specifications..............2-11 2.6.2 Head Applied Energy Correction ..........
  • Page 6 Section Page G HEAD-MOUNTED PRINTER............... 3.2.1 Thermal Head Control Pin............3.2.2 Motor and Switch Control Pin............ E HEAD-MOUNTED PRINTER ............... 3.3.1 Thermal Head Control Pin............3.3.2 Motor and Switch Control Pin............ CHAPTER 4 TIMING CHART TIMING CHART ..................DETAILED CHART OF PRINTING START TIMING ....... CONTINUOUS PRINTING OPERATION ..........
  • Page 7 FLEXIBLE CABLE ................... 8.5.1 Connecting and Fixing the Flexible Cable Terminal ....8.5.2 Bend Radius of Flexible Cable ..........REPLACEMENT OF HEAD UNIT............8.6.1 Removing Head Unit ..............8.6.2 MOUNTING THE HEAD UNIT ..........8-10 TABLES Table Page Character Printer Specifications .............. Graphic Printer Specifications ..............
  • Page 8 Figure Page Timing Chart.................... Printing Start Timing Chart ..............Continuous Printing Timing Chart (Home Switch Detection Method) ..Continuous Printing Timing Chart (Timing Signal Count Method) ... MTP102 (B head-mounted) Appearance and External Dimensions..MTP201 (B head-mounted) Appearance and External Dimensions..MTP201 (E head-mounted) Appearance and External Dimensions..
  • Page 9 QQ:2676804008 FEATURES The MTP Series Line Thermal Printer Mechanism is a series of compact, thermal printers designed to meet the demand for small, low cost units. It can be used in adding machines, measuring instruments and analyzers, office machines, medical apparatus, and data terminal devices.
  • Page 10 1 - 2...

  • Page 11: Chapter 2 Specifications

    www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com Skype:kunxisz CHAPTER 2 WhatsApp:13632856413 SPECIFICATIONS Wechat:13632856413 QQ:2676804008 PART NUMBER (1) Character printers − : Base model code : Characters per line* : Print head type used * Maximum number of characters per line based on character matrix in General Specifications.

  • Page 12: General Specifications

    www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com GENERAL SPECIFICATIONS Skype:kunxisz WhatsApp:13632856413 2.2.1 Character Printers Wechat:13632856413 QQ:2676804008 Table 2-1 Character Printer Specifications Item Specifications Base model code MTP102 MTP201 MTP401 Model MTP102-13B MTP102-16B MTP201-20B MTP201-24B MTP401-40B Printing metod Thermal serial dot printing Printing direction left to right with respect to the direction the paper is fed.
  • Page 13 www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com Skype:kunxisz WhatsApp:13632856413 Wechat:13632856413 Table 2-1 Character Printer Specifications (continued) QQ:2676804008 Item Specifications during 3.2A max. Current consumption printing (room during 250mA max. temperature, paper 5.0V) feed Operating temperature 0 to 50°C range Storage temperature -40 to 60°C range 5 hundred thousand lines (5.0V rated enrgy, room temperature, “8”...

  • Page 14: Graphic Printers

    www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com Skype:kunxisz WhatsApp:13632856413 2.2.2 Graphic Printers Wechat:13632856413 QQ:2676804008 Table 2-2 Graphic Printer Specifications Item Specifications Base model code MTP201 MTP401 Model MTP201-G128 MTP201-G166 MTP401-G256 MTP201-G280 Printing metod Thermal serial dot printing Printing direction left to right with respect to the direction the paper is fed. 8 dots 8 dots 8 dots...
  • Page 15 www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com Skype:kunxisz WhatsApp:13632856413 Table 2-2 Graphic Printer Specifications Wechat:13632856413 QQ:2676804008 Item Specifications during 3.2A max. Current consumption printing (room during 250mA max. temperature, paper 5.0V) feed Operating temperature 0 to 50°C range Storage temperature -40 to 60°C range 5 hundred thousand lines (5.0V rated energy, room temperature, “8”...

  • Page 16: Motor Drive Characteristics

    www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com Skype:kunxisz WhatsApp:13632856413 Wechat:13632856413 MOTOR DRIVE CHARACTERISTICS QQ:2676804008 The motor is the power source for head movement and paper feed. Through the application of DC voltage to the motor, the head automatically moves back and forth, and paper fed on its return; therefore, there is no need to reverse the motor. Motor terminal voltage 5.0±1.0 VDC Motor power consumtion...
  • Page 17 Motor stop signal Stop the motor drive signal within 1 ms after detecting a home switch “OFF” (100 to 250 µ s) signal, and input a motor stop signal of at least 25 ms. 100∼250 µ s Home switch signal Motor drive signal 1 ms max.
  • Page 18 270Ω 300Ω 3kΩ 30kΩ 2kΩ * When using Sanyo Electric’s LB1256 as the thermal head and motor drive IC, because of a built-in motorstop circuit, a motor stop signal is not required Figure 2-3 Sample Motor Drive Circuit www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com Skype:kunxisz...

  • Page 19: Tg (Tacho-Generator) Output Characteristics

    TG (TACHO-GENERATOR) OUTPUT CHARACTERISTICS The TG is a signal generator directly connected to the motor, that generates false sine waves of two cycles per 1 turn of the motor. These waves are converted by a waveform shaping circuit into rectangular wave signals, which are used as a pulse impression timing signal for the thermal head.

  • Page 20: Home Switch

    HOME SWITCH The home switch is a push-open type mechanical switch, which switches “OFF” when the head is at the home position (left end). The switch has two functions. The first is to detect the home position when the head stops there. Upon returning to the home postion, the home switch switches from “ON”...

  • Page 21: Thermal Print Head

    THERMAL PRINT HEAD QQ:2676804008 Because the thermal print head in the MTP Series is a thin film type with high thermal efficiency, it has an excellent print quality. The CPU determines which vertically placed heating units to energize, and drives them with the thermal head driver (transistor array).

  • Page 22: Head Applied Energy Correction

    Rated voltage (5.0V) Room temperature (24 ° C) 2.6.3 Head Activation Pulse Width To ensure high quality printing with the MTP Series, the thermal head activation pulse width must be set according to the head drive voltage and the head resistance.

  • Page 23: Control Of Printing Pulse Width

    www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com Skype:kunxisz WhatsApp:13632856413 2.6.4 Control of Printing Pulse Width Wechat:13632856413 QQ:2676804008 Superior print quality can be maintained by controlling the print pulse width by the print pulse width control circuit. This is an oscillating circuit in which the frequency varies depending upon the voltage and ambient temperature, and provides a specified pulse width by counting a certain number of pulses with the CPU.

  • Page 24: Paper Feeding

    www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com Skype:kunxisz WhatsApp:13632856413 Wechat:13632856413 Oscillator output QQ:2676804008 4069UB 820p 100kΩ 150kΩ 22kΩ 1SS133 1740R 50kΩ 22kΩ 22kΩ Print pulse width Oscillator output 3 4 5 Head drive signal (Example: 20 -pulse count) The compensation circuits for temperature and voltage are included. Adjust an oscillating frequency with VR to obtain the proper pulse width in 20 counts at the normal temperature.

  • Page 25: 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 CHAPTER 3 PIN ASSIGNMENT B HEAD-MOUNTED PRINTER 3.1.1 Thermal Head Control Pin Recommended connector: HBLB8S-1J (Japan Burndy) Signal Name Function Number Dot 1 Thermal head 1st dot Dot 2 Thermal head 2nd dot Dot 3 Thermal head 3rd dot Dot 4...

  • Page 26: Motor And Switch Control Pin

    www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com 3.1.2 Motor and Switch Control Pin Skype:kunxisz WhatsApp:13632856413 MTP102 Wechat:13632856413 QQ:2676804008 Recommended connector: HBLB6S-1J (Japan Burndy) Signal Name Function Number Home switch, GND for VCC Tachogenerator, GND for VCC Motor minus Motor plus (+5V) Figure 3-2 Motor and Switch Control Pin Assignment (B Head-mounted Printer, MTP102) MTP201 and MTP401 Signal Name...

  • Page 27: G Head-Mounted Printer

    www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com Skype:kunxisz G HEAD-MOUNTED PRINTER WhatsApp:13632856413 Wechat:13632856413 3.2.1 Thermal Head Control Pin QQ:2676804008 Recommneded connector: HBLB9S-1J (Japan Burndy) Signal Name Function Number Dot 1 Thermal head 1st dot Dot 2 Thermal head 2nd dot Dot 3 Thermal head 3rd dot Dot 4 Thermal head 4th dot Dot 5...
  • Page 28 www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com Skype:kunxisz WhatsApp:13632856413 E HEAD-MOUNTED PRINTER Wechat:13632856413 QQ:2676804008 3.3.1 Thermal Head Control Pin Recommended connector: 52045-1710 (Molex Japan) Signal Name Function Number Dot 1 Thermal head 1st dot Dot 2 Thermal head 2nd dot Dot 3 Thermal head 3rd dot Dot 4 Thermal head 4th dot Dot 5...

  • Page 29: Chapter 4 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 CHAPTER 4 TIMING CHART 4.1 TIMING CHART Figure 4-11 shows the timing chart 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.
  • Page 30 www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com Skype:kunxisz WhatsApp:13632856413 Signals in are issued from the circuit side. Wechat:13632856413 QQ:2676804008 Figure 4-1 Timing Chart 4 - 2...

  • Page 31: Detailed Chart Of Printing Start Timing

    www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com Skype:kunxisz WhatsApp:13632856413 4.2 DETAILED CHART OF PRINTING START TIMING Wechat:13632856413 QQ:2676804008 Home switch signal TG signal Timing signal Head drive signal * Start printing from the second pulse of timing signals. Figure 4-2 Printing Start Timing Chart 4.3 CONTINUOUS PRINTING OPERATION 4.3.1 Home Switch Signal Method...

  • Page 32: Home Switch Signal Method

    www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com Skype:kunxisz WhatsApp:13632856413 4.3.2 Home Switch Signal Method Wechat:13632856413 QQ:2676804008 When printing a graphic image, print a picture unit by the following method. The print start position deviation may not occur. 1. Determine the print start position of the first line by the ON-rise of the home switch signal (same as the home switch signal method).
  • Page 33 N is as shown below: Part Number Part Number MTP102-13B MTP201-G128 -16B -G166 MTP201-20B MTP401-G256 -24B -G280 MTP401-40B www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com Skype:kunxisz WhatsApp:13632856413 Wechat:13632856413 QQ:2676804008 4 - 5...
  • Page 34 www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com Skype:kunxisz WhatsApp:13632856413 Wechat:13632856413 QQ:2676804008 4 - 6...

  • Page 35: Chapter 5 Appearance And Dimensions

    CHAPTER 5 APPEARANCE AND DIMENSIONS Figures 5-1 to 5-6 shows the appearance and external dimensions of the MTP Series printer mechanisms. 5 - 1...
  • Page 36 www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com Skype:kunxisz WhatsApp:13632856413 Wechat:13632856413 QQ:2676804008 5 - 2...
  • Page 37 www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com Skype:kunxisz WhatsApp:13632856413 Wechat:13632856413 QQ:2676804008 5 - 3...
  • Page 38 www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com Skype:kunxisz WhatsApp:13632856413 Wechat:13632856413 QQ:2676804008 5 - 4...
  • Page 39 www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com Skype:kunxisz WhatsApp:13632856413 Wechat:13632856413 QQ:2676804008 5 - 5...
  • Page 40 www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com Skype:kunxisz WhatsApp:13632856413 Wechat:13632856413 QQ:2676804008 5 - 6...
  • Page 41 www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com Skype:kunxisz WhatsApp:13632856413 Wechat:13632856413 QQ:2676804008 5 - 7...
  • Page 42 5 - 8...

  • Page 43: Chapter 6 Sample Circuit Block Diagram

    CHAPTER 6 SAMPLE CIRCUIT BLOCK DIAGRAM Figures 6-1 and 6-2 shows the samples of the circuit block diagrams. 6 - 1...
  • Page 44 www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com Skype:kunxisz WhatsApp:13632856413 Wechat:13632856413 QQ:2676804008 6 - 2...
  • Page 45 www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com Skype:kunxisz WhatsApp:13632856413 Wechat:13632856413 QQ:2676804008 6 - 3...
  • Page 46 6 - 4...

  • Page 47: Chapter 7 Designing And Handling Precautions

    (the home switch signal detection is not executed). if the MTP Series is used at extremely high temperature or at high humidity, the thermal head may be electrolytically corroded. To prevent the thermal head from being electorlytically corroded: •...
  • Page 48 Stop the thermal head at the home position; otherwise, the platen may become deformed resulting in poor print quality. Do not print without paper; otherwise, the platen or thermal head may become damaged. Do not damage the platen by removing paper when a paper jam occurs. Cut the edge of the paper so that the corners of the paper are square (90°);...

  • Page 49: Chapter 8 Design Of Peripheral Devices

    DESIGN OF PERIPHERAL DEVICES MOUNTING THE PRINTER The mounting procedure for MTP Series printers differs somewhat between the MTP102 and the other printers in the serires. Mount the printer so that it is not warped or distorted in any way.

  • Page 50: Mounting Without Screws (Mtp102 Printer)

    www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com Skype:kunxisz When mounting without screws Using the dowels and the φ2 mm WhatsApp:13632856413 Wechat:13632856413 holes on the back of the printer as QQ:2676804008 reference for positioning, fix the printer by pressing the eaves on both sides of the upper portion of the printer (see Figure 8-3).
  • Page 51 www.siipos.com www.sii-prt.com When mounting with screws With Tel:+86-0755-61306761 the φ2.2 mm holes at the corners of Email:kunxisz@163.com the printer as a reference for Skype:kunxisz positioning, fix the printer on the WhatsApp:13632856413 Wechat:13632856413 printer base by tightening the QQ:2676804008 tapping screws from the top of the printer (see Figure 8-5).

  • Page 52: Mounting The Paper Cutter

    www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com Skype:kunxisz WhatsApp:13632856413 Wechat:13632856413 8.2 MOUNTING THE PAPER CUTTER QQ:2676804008 Design the paper cutter so that the cutter tip is located over the paper outlet so that it does not interrupt the paper flow (see Figure 8-7). Design any peripheral devices so that the paper does not re-enter the printer.

  • Page 53: Mounting A Roll Holder For Heat Sensitive Paper

    www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com 8.3 MOUNTING A ROLL HOLDER Skype:kunxisz FOR HEAD SENSITIVE PAPER WhatsApp:13632856413 Design the roll holder to the following Wechat:13632856413 specifications: QQ:2676804008 No sideways deviation between holder and inlet. Less than 2mm between holder and the sides of the roll. The holder does not touch the sides of the roll.
  • Page 54 8.4 THERMAL PAPER TAKE-UP DEVICE Take into consideration the following items when designing the thermal paper take- up device. 1) After printing, the paper must be taken up without being pulled taut. 2) Even when paper 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.

  • Page 55: Flexible Cable

    8.5 FLEXIBLE CABLE 8.5.1 Connecting and Fixing the Flexible Cable Terminal Use and FPC (Flexible Printed Circuit) connector to connect and fix the flexible cable terminal. Refer to the external view of each printer for the mounting position of the FPC connector.

  • Page 56: Replacement Of Head Unit

    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 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).

  • Page 57: Pulling Out The Head Unit

    Pull out the flexible cable plate in the direction shown by arrow A holding the edge of the plate with a finger, then disengage the plate from the dowel of the head carrier (see Figure 8-13). www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com Skype:kunxisz WhatsApp:13632856413 Figure 8-13 Pulling out the Flexible...

  • Page 58: Mounting The Head Unit

    www.siipos.com 8.6.2 MOUNTING THE HEAD UNIT www.sii-prt.com Tel:+86-0755-61306761 Move the head carrier to a position Email:kunxisz@163.com that permits easy replacement (see Skype:kunxisz Figure 8-15). WhatsApp:13632856413 Wechat:13632856413 Insert the head unit terminal between QQ:2676804008 the platen and the guide pin and head feeding screw with soldered...
  • Page 59 www.siipos.com www.sii-prt.com Tel:+86-0755-61306761 Email:kunxisz@163.com Slide the head unit terminal cable Skype:kunxisz into the slit provided on the head WhatsApp:13632856413 carrier. Wechat:13632856413 Next, slide the head along the guide QQ:2676804008 of the head carrier until it touches the guide (see Figure 8-17). www.siipos.com www.sii-prt.com Tel:+86-0755-61306761...
  • Page 60 8 - 12...
  • Page 61 980305MS...

This manual is also suitable for:

Mtp102-13bMtp102-16bMtp201-20bMtp201-24bMtp401-40b

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