DM-D70 Technical Reference Guide (EN)

Technical Reference Guide Describes features of the product. Describes basic procedure for handling the product. Describes how to install the product in portrait orientation and how to install with an optional or commercially-available product. Provides information for controlling the product and for developing application software. Describes product specifications and character code tables. M00134206 Rev. G Product Overview Handling Installing the Product in Various Ways Application Development Information Appendix

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Cautions No part of this publication 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. The contents of this manual are subject to change without notice. Please contact us for the latest information. While every precaution has been taken in the preparation of this manual, Seiko Epson Corporation assumes no responsibility for errors or omissions. Neither is any liability assumed for damages resulting from the use of the information contained herein.

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 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 failure to strictly comply with Seiko Epson Corporation’s operating and maintenance instructions. 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 Microsoft and Windows are registered trademarks of Microsoft Corporation in the United States and other countries. The Bluetooth ® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use of such marks by Seiko Epson Corporation is under license. IOS is a trademark or registered trademark of Cisco in the U.S. and other countries and is used under license. iPad is a trademark of Apple Inc. Android™ is a trademark of Google LLC. Google Play and Google Play logo are trademarks of Google LLC. QR Code is a registered trademark of DENSO WAVE INCORPORATED in Japan and other countries.

All other trademarks are the property of their respective owners and used for identification purpose only. ESC/POS Command System Epson ESC/POS is a proprietary POS printer command system that includes patented or patent-pending commands. ESC/POS is compatible with most Epson POS printers and displays. ESC/POS is designed to reduce the processing load on the host computer in POS environments. It comprises a set of highly functional and efficient commands and also offers the flexibility to easily make future upgrades. ©Seiko Epson Corporation 2020–2024

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Cautions

For Safety Key to Symbols The symbols in this manual are identified by their level of importance, as defined below. Read the following carefully before handling the product. You must follow warnings carefully to avoid serious bodily injury. WARNING You must follow cautions carefully to avoid the following risks. Risk of physical injuries Risk of property damage Risk of information loss CAUTION Provides information that must be observed to avoid damage to your equipment or a malfunction. Provides important information and useful tips. Warnings O Immediately unplug the product when any one of the following problems occurs, and then contact qualified service personnel.

Continued use may lead to fire or electric shock. If the product emits smoke, a strange odor, or unusual noise. If water or other liquid spills into the product. If the product is too hot to touch or the case is deformed. O Follow the guidelines below to avoid accidents such as fire, electric shock, or burn. Do not use aerosol sprayers containing flammable gas inside or around the product. Do not cover the product with cloth, or place the product in locations subject to high levels of humidity or dust. Do not allow foreign objects or flammable objects to fall into the product. Do not touch the inside of the product except where mentioned in the manual.

Do not use the product with any power supply or voltage other than the ones specified. Do not connect cables in ways other than those mentioned in the manual. Never disassemble or modify the product. Do not use a cable covered with dust or foreign matters. Do not use a damaged cable. Never insert or disconnect cables with wet hands. WARNING Cautions O Follow the guidelines below to avoid bodily injury and malfunction. Set up the product on a firm, stable, horizontal surface. Do not place heavy objects on top of the product. Never stand or lean on the product. Never attempt to repair the product yourself. O To ensure safety, unplug this product before leaving it unused for an extended period.

When transporting the product, make sure to disconnect all cables in advance. CAUTION 3

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Restriction of Use

Restriction of Use When this product is used for applications requiring high reliability/safety, such as transportation devices related to aviation, rail, marine, automotive, etc.; disaster prevention devices; various safety devices, etc.; or functional/precision devices, etc.; you should use this product only after giving consideration to including fail- safes and redundancies into your design to maintain safety and total system reliability.

Because this product was not intended for use in applications requiring extremely high reliability/safety, such as aerospace equipment, main communication equipment, nuclear power control equipment, or medical equip- ment related to direct medical care, etc., please make your own judgment on this product’s suitability after a full evaluation. 4

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