Micro Dot Printer
M-150II
Specification
STANDARD
Rev. No.B
Notes
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SEIKO EPSON CORPORATION
MATSUMOTO MINAMI PLANT
2070 KOTOBUKI KOAKA, MATSUMOTO-SHI, NAGANO, 399-8702 JAPAN PHONE(0263)86-5353 FAX(0263)86-9923
Sheet 1 of 2 The table below indicates which pages in this specification have been revised.
Before reading this specification, be sure you have the correct version of each page.
Revisions Design Section Sheet Rev. No.
Rev.Document WRT CHK APL Sheet Rev.Sheet Rev.Sheet Rev.
--Enactment Tezuka--Mori I A
1Change Tezuka--Tamai II A
2Change Tezuka--Tamai III A
A Change Aoki Narita Arai IV B
B Change
1B
2B
3B
4A
5A
6A
7A
8B
9A
10A
11A
12A
13A
14A
15A
TITLE Front Part
M-150II
Specification Cover
Rev.
Sheet Scope
General
Description
Table of
Contents Contents Appendix Total
(STANDARD)12--3115--22
Sheet 2 of 2 REV.SHEET CHANGED CONTENTS
1
1  1.3 Print Speed “Print condition” is added.
1.5 Paper    Paper width is “44,5mm”, was “45mm”
1.11 Print solenoid “Terminal voltage” is changed.
4  2.3 Ribbon cassette “Life” is added.
“Print condition “ is added.
6  2.6 2) Wave form, Phase
“TYP.0.6ms” is added.
“MIN. 0.2ms” is added.
8  2.8 Print solenoid “Terminal voltage” is changed.
3) Current  “Current value” is “3A”, was “2.5A”.
8) Spark Killer  “Prepared by the customer side refer the circuit and case design
recommendations.”
9Note: Note 1 is “t1 =t2 ≤ 50 µs”, was “t1 =t2 ≤ 28 µs”.
3,12,13Column number is “1 column, 2 column, 3 column --- from left side”, was “1 column, 2 column, --- from right side”.
14  2.11 “Overall Dimensions” is changed.
15“Attached Table 1” is added.
2
6  2.6 2) Pulse Wave form, Phase
“MAX 2.5 ms” is added.
2.7 2) “stopping at abnormality” is added.
8  2.8 9) “protection of Solenoid at abnormality” is added.
9Max 2.5 ms is added.
All All pages are re-formatted due to add the “Confidential” in the header.
A
5  2.5 1) Timing Pulse “threshold level to be 0 ± 0.1 V”, was “threshold level to be 0 ± 1 V”
2.5 2) Output Waveform Sample circuit is deleted.
6  2.
7 1) Driving and Stopping Sample circuit is deleted.
B
IV Table of Contents
1.16 Weight → 1.16 Mass
1  1.3 Print Speed
1 l/s → 1 lps (lps: lines per second)
2  1.16 Weight → 1.16 Mass
3In Figure  [Units: mm]  (added)
8  2.8 Print Solenoid
3 mj/dot → 3 mJ/dot
TITLE
M-150II
printform
Specification
(STANDARD)
Points You Must Observe To Assure Product Safety
In order to assure the safe operation of this product, carefully observe the
specifications as well as the notes provided below.
Seiko Epson Corporation will not bear any responsibility for any damage or
injuries arising from use of this product that is not in accordance with the
specifications and the notes provided below.
Printer Control Precautions
1. Absolute Maximum voltage
1) Printer driver voltage:    5 VDC
(Apply to the print solenoid, and motor.)
2) Detector input voltage: 20 VDC
(Apply to the reset sensor.)
2.When designing drive circuitry for solenoids, motors, magnets, and other electrical parts, always
provide for proper energizing time limit control and include overcurrent protection.
1) Motor
The motor is DC brush motors which can be short-circuited and must there fore be protected
using a fuse that is properly matched to the power supply.
2) Print solenoid
The energizing time must not always exceed 1 second.
3) Reset sensor
The input voltage must not exceed the maximum rating of the sensor.
Usage Precautions
•Because the print head can become very hot, it must not be exposed in such a way that it can be touched.
Touching the print head could cause burns.
•The case must be designed so that movable parts such as gears, etc., are not exposed.
Touching moving parts could cause a laceration or other injury.
CONFIDENTIALITY AGREEMENT
BY USING THIS DOCUMENT, YOU AGREE TO ABIDE BY THE TERMS OF THIS AGREEMENT. PLEASE RETURN THIS DOCUMENT IMMEDIATELY IF YOU DO NOT AGREE TO THESE TERMS.
1.This document contains confidential, proprietary information of Seiko Epson Corporation or its affiliates.
You must keep such information confidential. If the user is a business entity or organization, you must limit disclosure to your employees, agents, and contractors who have a need to know and who are also bound by obligations of confidentiality.
2.On the earlier of (a) termination of your relationship with Seiko Epson, or (b) Seiko Epson's request, you
must stop using the confidential information. You must then return or destroy the information, as
directed by Seiko Epson.
3.If a court, arbitrator, government agency or the like orders you to disclose any confidential information,
you must immediately notify Seiko Epson. You agree to give Seiko Epson reasonable cooperation and assistance in the negotiation.
4.You may use confidential information only for the purpose of operating or servicing the products to which
the document relates, unless you obtain the prior written consent of Seiko Epson for some other use. 5.Seiko Epson warrants that it has the right to disclose the confidential information. SEIKO EPSON
MAKES NO OTHER WARRANTIES CONCERNING THE CONFIDENTIAL INFORMATION OR ANY OTHER INFORMATION IN THE DOCUMENT, INCLUDING (WITHOUT LIMITATION) ANY
WARRANTY OF TITLE OR NON-INFRINGEMENT. Seiko Epson has no liability for loss or damage arising from or relating to your use of or reliance on the information in the document.
6.You may not reproduce, store, or transmit the confidential information in any form or by any means
(electronic, mechanical, photocopying, recording, or otherwise) without the prior written permission of Seiko Epson.
7.Your obligations under this Agreement are in addition to any other legal obligations. Seiko Epson does
not waive any right under this Agreement by failing to exercise it. The laws of Japan apply to this
Agreement.
Cautions
1.This document shall apply only to the product(s) identified herein.
2.No part of this document may be reproduced, stored in a retrieval system, or transmitted in any form or
by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of Seiko Epson Corporation.
3.The contents of this document are subject to change without notice. Please contact us for the latest
information.
4.While every precaution has been taken in the preparation of this document, Seiko Epson Corporation
assumes no responsibility for errors or omissions.
5.Neither is any liability assumed for damages resulting from the use of the information contained herein.
6.Neither Seiko Epson Corporation nor its affiliates shall be liable to the purchaser of this product or third
parties for damages, losses, costs, or expenses incurred by the purchaser or third parties as a result of: accident, misuse, or abuse of this product or unauthorized modifications, repairs, or alterations to this product, or (excluding the U.S.) failure to strictly comply with Seiko Epson Corporation's operating and maintenance instructions.
7.Seiko Epson Corporation shall not be liable against any damages or problems arising from the use of
any options or any consumable products other than those designated as Original EPSON Products or EPSON Approved Products by Seiko Epson Corporation.
Trademarks
EPSON® is a registered trademark of Seiko Epson Corporation.
General Notice: Other product and company names used herein are for identification purposes only and may be trademarks of their respective companies.

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