Epson DM-D70 Technical Reference Guide
Technical Reference Guide
Describes features of the product.
Describes basic procedure for handling the product.
Provides information for controlling the product and for developing
application software.
Describes product specications and character code tables.
Describes how to install the product in portrait orientation and
how to install with an optional or commercially-available product.
Product Overview
Handling
Installing the Product in Various Ways
Application Development Information
Appendix
M00134202
Rev. C
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
EPSON, EXCEED YOUR VISION, and ESC/POS are registered trademarks of Seiko Epson Corporation.
Microsoft and Windows are registered trademarks of Microsoft Corporation in the United States and other
countries.
IOS is a trademark or registered trademark of Cisco in the U.S. and other countries and is used under license.
Apple, Apple TV, Apple Watch, iPad, iPad Air, iPad Pro, iPhone, and Lightning are trademarks of Apple Inc.,
registered in the U.S. and other countries. tvOS is a trademark of Apple Inc. The trademark "iPhone" is used in
Japan with a license from Aiphone K.K.
Android™ is a trademark of Google LLC.
Google Play and Google Play logo are trademarks of Google LLC.
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 2020-2021.
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
CAUTION
• Risk of property damage
• Risk of information loss
Provides information that must be observed to avoid damage to your equipment or a malfunction.
Provides important information and useful tips.
Warnings
WARNING
Cautions
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.
CAUTION
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.
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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 failsafes 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.
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About this Manual
Aim of the Manual
This manual provides information for development engineers, which are necessary for developing, designing,
and installing POS systems.
Manual Contents
The manual is made up of the following sections:
Chapter 1 Product Overview
Chapter 2 Handling
Chapter 3 Installing the Product in Various Ways
Chapter 4 Application Development Information
Chapter 5 Appendix
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Contents
■ For Safety..................................................................................................................................3
Key to Symbols.................................................................................................................................................................. 3
Warnings ............................................................................................................................................................................. 3
Cautions............................................................................................................................................................................... 3
■ Restriction of Use ....................................................................................................................4
■ About this Manual ..................................................................................................................5
Aim of the Manual ........................................................................................................................................................... 5
Manual Contents .............................................................................................................................................................. 5
■ Contents....................................................................................................................................6
Product Overview ............................................................................................ 8
■ Features ....................................................................................................................................8
■ Product Configurations .........................................................................................................9
Included items...................................................................................................................................................................9
Optional Kits ...................................................................................................................................................................... 9
■ Part Names ............................................................................................................................ 10
Handling ......................................................................................................... 11
■ Connecting to the Printer................................................................................................... 11
When Connecting to TM-m30II.................................................................................................................................12
When Connecting to TM-T88VII...............................................................................................................................13
■ Connecting to the Computer............................................................................................. 14
■ Routing the USB Cable........................................................................................................ 14
■ Changing the Angle of the Display Unit.......................................................................... 15
■ Turning the Power On/Off .................................................................................................. 15
■ Adjusting the Display Brightness...................................................................................... 16
■ Cleaning the Outer Case ..................................................................................................... 17
■ Troubleshooting................................................................................................................... 18
Nothing is Displayed on the Screen ........................................................................................................................18
The Screen Looks Dark when the Display is Attached in Portrait Orientation.........................................18
Installing the Product in Various Ways........................................................ 20
■ Changing the Display Orientation to Portrait ................................................................ 20
■ Attaching the Display to a VESA Mount........................................................................... 23
■ Attaching the Display to the Optional Kit ....................................................................... 25
6
Attaching the EXTENSION POLE UNIT FOR DM-D70 (DP-70) .........................................................................25
Attaching the CRANK POLE UNIT FOR TM-T88VI-DT2 (DP-71).......................................................................30
Application Development Information....................................................... 35
■ Controlling the Customer Display .................................................................................... 35
ePOS-Print XML...............................................................................................................................................................35
ePOS-Device XML...........................................................................................................................................................35
ESC/POS.............................................................................................................................................................................36
■ Software................................................................................................................................. 37
Development Kit ............................................................................................................................................................37
Drivers ................................................................................................................................................................................37
Utilities ...............................................................................................................................................................................38
Others.................................................................................................................................................................................38
Download .........................................................................................................................................................................38
■ Screen Display ...................................................................................................................... 39
Display Mode...................................................................................................................................................................39
Standard Mode ...............................................................................................................................................................39
Fixed Column and Row Mode ...................................................................................................................................42
Displaying Character String .......................................................................................................................................43
Displaying QR Code.......................................................................................................................................................43
Displaying Graphics Data ............................................................................................................................................44
Storing Graphics Data ..................................................................................................................................................44
Available Functions by Display Mode.....................................................................................................................45
List of Settings.................................................................................................................................................................46
Appendix......................................................................................................... 47
■ Configurable Number of Columns and Rows ................................................................. 47
When Installed in Landscape Orientation.............................................................................................................47
When Installed in Portrait Orientation ...................................................................................................................49
■ Supported Printers ..............................................................................................................51
■ Product Specifications ........................................................................................................ 53
Environmental Specification ......................................................................................................................................55
External Dimensions .....................................................................................................................................................56
■ Character Code Tables......................................................................................................... 59
■ Open Source Software Licenses ........................................................................................ 60
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Chapter 1 Product Overview
Product Overview
This chapter describes features of the product.
Features
This product is a customer display that can display both text and images. The main features of this product are
as follows.
Compact and Offers Installation in Various Ways
• A large screen, 7 inch (800 x 480 pixels), on a compact body
• Both landscape and portrait orientations are available
• The product is USB bus powered.
• Complies with VESA standard (75 x 75mm). A commercially available VESA mount such as a wall bracket or
arm stand can be attached.
• To meet various requirements, EXTENSION POLE UNIT FOR DM-D70 and CRANK POLE UNIT FOR
TM-T88VI-DT2 are available as an option.
Display
• Easy-to-see large screen
• Images can be displayed in addition to text
• QR code can be displayed
• Text in multiple lines can be displayed
• Can display in 16.2 million colors
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Chapter 1 Product Overview
Product Configurations
Included items
The following items are included with the product. If any item is damaged or missing, contact qualified service
personnel.
• Customer display
• Ferrite core
(Use this when connecting the product to TM-m30II/TM-T88VII)
• Manuals
Optional Kits
Model number Description
DP-70 EXTENSION POLE UNIT FOR DM-D70
Extension pole (about 24 cm tall), USB extension cable (about 1.0 m length), Stickers for
fixing the product (4 pieces)
DP-71 CRANK POLE UNIT FOR TM-T88VI-DT2
Crank pole, Screws (3 pieces)
OT-UL30 USB extension cable (about 1.0 m length)
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Part Names
Chapter 1 Product Overview
No. Part name Description
1 Display A LCD screen. The display can be tilted forward or back, and to the left or right.
2 Stand Supports the display unit.
3 USB cable Use to connect to the printer or a computer.
4 Rear cover Remove this cover when operating the brightness up/down buttons or when changing
the display orientation from landscape to portrait.
5 Screws (4 pieces) Remove the screws when changing the display orientation from landscape to portrait,
or when connecting the display to a VESA mount. The screws can be turned by hand.
6 Brightness up/down
buttons
Allows you to adjust the brightness of the display.
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Handling
This chapter describes basic procedures for handling the product.
Connecting to the Printer
Connect the USB cable of the customer display to the USB connector on the printer.
Chapter 2 Handling
Supported printers are listed below. See the following link for more details.
U"Supported Printers" on page 51
TM
-m30
TM-m30II
TM-m30II-H
TM-m30II-NT
TM-m30II-S
TM-m30II-SL
TM-m50
TM-T88VI
TM-T88VII
TM-T88VI-iHUB
TM-T88VI-DT2
TM-T70II-DT2
• Make sure to turn the printer off and then connect this product.
• The product cannot be connected to the USB-A Device Charging (iPad2.1A) connector that is
mounted on TM-m30II-H or other printers.
• If you want to extend the USB cable, use the optional USB extension cable (OT-UL30).
• The optional kit, EXTENSION POLE UNIT FOR DM-D70 (DP-70), includes a USB extension cable.
• You can mount this product to TM-m30II-S as a rear display. Refer to TM-m30II-S User’s Manual
for more details.
U www.epson-biz.com/?prd=tm-m30ii-s&inf=users_manual
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Chapter 2 Handling
When Connecting to TM-m30II
When connecting the product to TM-m30II, attach the included ferrite core to the DC cable of TM-m30II.
Bring the ferrite core close to the body of TM-m30II as much as possible.
Turn off the TM-m30II printer, and disconnect the AC cable of the AC adapter from
1
the power outlet.
Put the DC cable of TM-m30II into the ferrite core.
2
Wrap the cable around the ferrite core once.
3
Close the ferrite core until it clicks.
4
Connect the AC cable to a power outlet.
5
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Chapter 2 Handling
When Connecting to TM-T88VII
When connecting the product to TM-T88VII, attach the included ferrite core to the USB cable of the product.
Bring the ferrite core as close as possible to TM-T88VII.
Put the USB cable of the product into the ferrite core.
1
Wrap the cable around the ferrite core once.
2
Close the ferrite core until it clicks.
3
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Connecting to the Computer
Connect the USB cable of the customer display to the USB connector on the computer.
Chapter 2 Handling
• If you want to extend the USB cable, use the optional USB extension cable (OT-UL30).
• The optional kit, EXTENSION POLE UNIT FOR DM-D70 (DP-70), includes a USB extension cable.
Routing the USB Cable
The USB cable can be routed to one of the three directions. Put the USB cable into the groove on the bottom of
the stand to secure it.
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Chapter 2 Handling
40°
45° 45°
Changing the Angle of the Display Unit
You can adjust the angle of the display by tilting it forward or back, and to the left or right. Hold the stand with
your hand and move the display unit.
It can be tilted up to 40 degrees forward or back and up to 45 degrees to the left or right.
Do not attempt to move the display to an angle outside the allowable range. Doing so may cause
the display to malfunction.
Turning the Power On/Off
Since this product is bus powered, there is no power switch. The product takes its power from the printer or the
computer through the USB cable.
• When the product is powered, an EPSON logo is displayed.
• Even when the power LED of the printer is off, the display may stay on if it is still powered
through the USB connector.
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Adjusting the Display Brightness
The brightness of the display can be adjusted by pressing the brightness up/down buttons.
It is set to the brightest setting by default.
Turn on the display by connecting it to the printer or a computer.
1
Remove the rear cover.
2
Chapter 2 Handling
Press the brightness up/down buttons to adjust the brightness. There are four
3
brightness levels.
Attach the rear cover.
4
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Chapter 2 Handling
Cleaning the Outer Case
Be sure to disconnect the USB cable of the customer display from the printer or a computer, and then wipe the
customer display with a dry cloth or a cloth dampened with a little water.
• Never clean the product with alcohol, benzine, thinner, or other such solvents. Doing so may
damage or break the parts made of plastic and rubber.
CAUTION
• Rubbing the LCD screen with too much force using a dry cloth may scratch the surface.
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Chapter 2 Handling
Troubleshooting
Nothing is Displayed on the Screen
• Check that the USB cable is properly connected to the printer or to the computer.
U"Connecting to the Printer" on page 11
U"Connecting to the Computer" on page 14
• Adjust the brightness of the LCD screen by pressing the brightness up/down buttons.
U"Adjusting the Display Brightness" on page 16
The Screen Looks Dark when the Display is Attached in Portrait Orientation
When the display is attached in portrait orientation, the screen may look dark when viewed from the right or
the left, and may look differently when viewed from the opposite side. This is caused by gray scale inversion
phenomenon. If that happens, adjust the angle of the display.
However, if you cannot adjust the angle, for example, when you have fixed the display to a VESA mount, follow
the procedure below to make the screen appear brighter.
Remove the display and reattach it to the mount upside down.
1
Check that the screen is bright enough when viewed from an angle actually used.
2
At this step, the screen displays upside down.
Download one of the following utilities from the website.
3
For customers in North America U www.epson.com/support/
For customers in other countries U www.epson-biz.com/
• DM-D70 Utility (For Windows)
• TM Utility (For Android/iOS)
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