DM-D30 Technical Reference Guide

Technical Reference Guide Product Overview Describes features for this product. Setup Describes how to install and set this product. Handling Describes the basic usage of this product. Application Development Information Describes how to control this product and information necessary for developing applications. Appendix Describes the specifications and character code tables. M00093711 Rev. L

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Cautions 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. The contents of this document are subject to change without notice. Please contact us for the latest information. While every precaution has been taken in the preparation of this document, 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 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. 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 specified 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/or other countries. IOS is a trademark or registered trademark of Cisco in the U.S. and other countries and is used under license. Android is a trademark of Google LLC. Wi-Fi ® is a registered trademark of Wi-Fi Alliance ® . All other trademarks are the property of their respective owners and used for identification purpose only. ESC/POS Proprietary Command System Epson took the initiative by introducing ESC/POS, a proprietary POS printer command system, which includes patented or patent pending commands and enables versatile POS system construction with high scalability.

Compatible with all types of Epson POS printers and displays, this proprietary control system also offers the flexibility to easily make future upgrades. Its popularity is worldwide. 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 that enables the full realization of the potential of printers. ©Seiko Epson Corporation 2015–2024

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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 Provides information that must be observed to prevent damage to the equipment or loss of data. Possibility of sustaining physical injuries. Possibility of causing physical damage. Possibility of causing 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 Shut down your equipment immediately if it produces smoke, a strange odor, or unusual noise. Continued use may lead to fire. Immediately disconnect the USB cable and contact qualified service personnel for advice. Never attempt to repair this product yourself. Improper repair work can be dangerous. Never disassemble or modify this product. Tampering with this product may result in injury or fire. Do not allow foreign matter to fall into the equipment. Penetration by foreign objects may lead to fire. If water or other liquid spills into this equipment, disconnect the USB cable immediately, and then contact qualified service personnel for advice. Continued usage may lead to fire.

WARNING Cautions Do not connect cables and external interfaces in ways other than those mentioned in the manual. Different connections may cause equipment damage and burning. Be sure to set this equipment on a firm, stable, horizontal surface. The product may break or cause injury if it falls. Do not use in locations subject to high humidity or dust levels. Excessive humidity and dust may cause equipment damage or fire. Do not place heavy objects on top of this product. Never stand or lean on this product. Equipment may fall or collapse, causing breakage and possible injury. If you do not use this product for an extended period of time, always disconnect the USB cable for safety.

If you move the product, ensure that all of the cables are disconnected before moving it. Do not use aerosol sprayers containing flammable gas inside or around this product. Doing so may cause fire. 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 equipment 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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