Epson TM-T88V Use and care manual

iOS Bluetooth® TM Printer
Technical Reference Guide
Describes the buttons and LEDs of interface board.
Describes how to connect iOS devices.
Describes the development and distribution of iOS application.
Describes the precautions on using this printer and iOS devices.
Describes the specications on transmission.
Part Names and Functions
Connecting to iOS Devices
Application Development Information
Notes on Usage
Transmission Specifications
M00078202
Rev. C

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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 permis-
sion of Seiko Epson Corporation.
The contents of this document are subject to change without notice. Please contact us for the latest informa-
tion.
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 par-
ties 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 designated as Original Epson Products or Epson
Approved Products by Seiko Epson Corporation.
Trademarks
EPSON is a registered trademark of Seiko Epson Corporation.
Exceed Your Vision and ESC/POS are registered trademarks or trademarks of Seiko Epson Corporation.
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.
AirPlay, iPad, iPhone, iPod, iPod classic, iPod nano, iPod touch, and Retina are trademarks of Apple Inc., regis-
tered in the U.S. and other countries. iPad Air, iPad mini, and Lightning are trademarks of Apple Inc.
IOS is a trademark or registered trademark of Cisco in the U.S. and other countries and is used under license.
All other trademarks are the property of their respective owners and used for identification purpose only.
© Seiko Epson Corporation 2014-2016. All rights reserved.

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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; disaster prevention devices; various safety devices; 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 judgement on this product's suitability after a full evaluation.
Note about interference
The Radio Frequency module that can be installed in this product generates, uses, and can radiate radio fre-
quency energy and, if not installed and used in accordance with the instruction manual, may cause harmful
interference to radio communications.
If this equipment does cause harmful interference to radio or television reception, which can be determined
by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more
of the following measures:
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult your dealer or an experienced radio/TV technician for help.
Never disassemble or modify this product or the installed Radio Frequency module.
Seiko Epson Corporation shall not be liable for interference to radio/TV resulting from changes or modifica-
tions to this product or the installed Radio Frequency module not expressly approved by Seiko Epson Corpo-
ration.

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About this Manual
Aim of the Manual
This manual aims to provide information for developers about Bluetooth®interface functions, and operations
for iOS devices.
As this focuses on specific iOS functionality, be sure to use it in conjunction with the manual for the TM
printer.
When this manual contains the same contents as the manual for the TM printer, priority is given to the
descriptions in this manual.
This manual applies to the following TM printers with a built-in Bluetooth interface that support iOS.
Target device:
TM-T88V iOS Bluetooth model
TM-T70II iOS Bluetooth model
TM-T20II-m iOS Bluetooth model
Manual Contents
The manual is made up of the following sections.
Chapter 1 Part Names and Functions
Chapter 2 Connecting to iOS Devices
Chapter 3 Application Development Information
Chapter 4 Notes on Usage
Chapter 5 Transmission Specifications

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Contents
■Restriction of Use ....................................................................................................................3
■Note about interference ........................................................................................................3
■About this Manual ..................................................................................................................4
Aim of the Manual ............................................................................................................................................................. 4
Manual Contents ................................................................................................................................................................ 4
■Contents....................................................................................................................................5
Part Names and Functions .............................................................................7
Connecting to iOS Devices..............................................................................9
■Connecting from iOS Devices ...............................................................................................9
Bluetooth connection from iOS "Settings" menu .................................................................................................. 9
Bluetooth connection from Epson TM Utility for iOS..........................................................................................10
■Auto Reconnect .................................................................................................................... 12
What is the Auto Reconnect Feature?.......................................................................................................................12
■Wireless Module Setup Mode............................................................................................ 13
Setting the Auto Reconnect Feature.........................................................................................................................13
iAP2 Protocol Settings....................................................................................................................................................14
Bluetooth Security Settings..........................................................................................................................................15
■Dynamic Status Sheet Print Mode .................................................................................... 17
■Initial Bluetooth Settings.................................................................................................... 18
Application Development Information.......................................................19
■About Epson ePOS SDK....................................................................................................... 19
■Application Development and Distribution ................................................................... 19
Notes on Usage ..............................................................................................21
■Printer Settings..................................................................................................................... 21
■Disconnection Timing ......................................................................................................... 21
■Notes on Using the Printer with an iOS Device .............................................................. 21
Print data deletion and Bluetooth disconnections occur..................................................................................21
The iOS application receives the same data from the printer multiple times............................................22
The iOS application cannot receive the data sent from the printer ..............................................................23

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Transmission Specifications......................................................................... 25
■General Specification .......................................................................................................... 25

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Chapter 1 Part Names and Functions
1
Part Names and Functions
Push button
The push button provides the following functions.
Print status sheet
Initialize settings
Setup auto reconnect (refer to "Setting the Auto Reconnect Feature" on page 13)
Print status sheet
1Turn on the printer and wait for about seven seconds.
2Hold down the push button for at least three seconds.
The setting content and software version information for the interface board is printed.
You can use this status sheet to check all of the information (BD_ADDR, PassKey, DeviceName) necessary to
setup a Bluetooth connection.
Initialize settings
1Turn off the printer.
2Turn on the printer while holding down the push button.
Hold down the button until the printer starts printing the wireless communication setup sheet.
3Press the push button once.
4Press the push button again.
Hold down the button until the printer starts printing.
The printer resets and initializing the wireless communication settings is complete.
Push button USB port for setup LED for operation check

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USB port for setup
The USB port for setup can only be used in the following situations.
Updating the internal firmware for the interface board
LED for operation check
You can check the following status using the LED.
Wireless communication status
Error status
Wireless communication status
Error status (cannot clear)
Do not connect a USB cable during normal usage.
This cannot be used for printing.
Status Details
Flashing pattern
Reconnecting Connecting to the iOS device to which it was
last connected.
Waiting to connect Waiting for connection from a device
Connected Connected to a device
Disconnecting Not connected to a device
Status Details
Flashing pattern
Memory error After performing an R/W, the printer does not
work correctly.
CPU error The CPU is executing an incorrect address.
Interface board error Cannot communicate with the interface
board.
Approx. 640 ms
Approx. 5.12 s
On
Off
Approx. 320 ms
Approx. 5.12 s

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Chapter 2 Connecting to iOS Devices
2
Connecting to iOS Devices
Connecting from iOS Devices
Bluetooth connection from iOS "Settings" menu
Follow the steps below to establish a Bluetooth connection from "Settings" menu.
1On the "Settings" screen, tap [Bluetooth].
2Turn on the printer, and then on the iOS device, set Bluetooth to [On].
The printer is displayed in the list of devices.
If the printer is connected to other computers, smart devices, and so on, it may not be displayed in
the list of devices. When the LED for operation check is on, disconnect the printer from the operat-
ing system of the device that is currently connected, and then try again.

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3Tap the printer you want to use from the list of devices.
4Check that the printer is connected to the iOS device.
Bluetooth connection from Epson TM Utility for iOS
1Run the Epson TM Utility for iOS.
Epson TM Utility for iOS is an application to connect smart devices, and you can download from
App Store.

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Chapter 2 Connecting to iOS Devices
2
2Select "Bluetooth® Setup Wizard" from the menu, and see the instructions on the
screen to make settings.
Setup and Operation Work flow
Select the printer you want to connect to.
Enter the passkey.
Perform a test print.

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Auto Reconnect
What is the Auto Reconnect Feature?
The auto reconnect feature allows the printer to automatically restore a connection in the following situations if
the Bluetooth connection to the iOS device is lost.
When the printer is turned on
When the signal is dropped and then restored
The following shows the printer operations and connection methods when the auto reconnect feature is enabled
or disabled.
In the following situations, even if the feature is enabled, the same operations are performed as when it is disabled.
- When pairing is canceled from the connected iOS device.
- When the last Bluetooth device connected was not an iOS device.
- When wireless communication settings are initialized from the printer.
Disable this feature when using the printer from devices that are not running iOS. Otherwise, it may take some time to connect.
See "Setting the Auto Reconnect Feature" on page 13 for settings for the auto reconnect feature.
Auto Reconnect
Feature Enabled Disabled
Printer operations
when Bluetooth is dis-
connected
Perform the following reconnection
sequence.
[Reconnection sequence]
1. The printer tries to connect to the iOS
device to which it was last connected.
2. When step 1 fails, the printer waits for con-
nections from other devices.
3. If connection is not established in step 2,
the printer tries again to connect to the iOS
device to which it last connected.
Steps 1 and 2 are repeated until a connec-
tion is established.
Wait for a connection from the Bluetooth
device.
Reconnecting to iOS
Devices
Reconnect automatically. Make settings on the Bluetooth settings screen
on the iOS device.
Switch to connection
from other device
Method 1:
After disabling the Bluetooth feature of the connected iOS device, make connection settings
on the Bluetooth device that you want to connect.
(When the auto reconnect feature is enabled, it may take some time to connect.)
Method 2:
(Only when the firmware version for interface board is 1.05 or later)
After disconnecting from the connected iOS device using applications with the TM Utility or
ePOS-Print SDK disconnection feature, make settings on the Bluetooth device you want to
connect.

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Chapter 2 Connecting to iOS Devices
2
Wireless Module Setup Mode
You can change settings or reset the wireless communication settings.
Setting the Auto Reconnect Feature
1Load the roll paper.
2Close the roll paper cover.
3Turn on the printer while holding down the interface board push button. (Do not
release the push button until printing starts.)
The printer starts printing Wireless Module Setup instructions.
4Briefly press the push button twice.
5Press the push button again. (Do not release the push button until printing starts.)
The printer starts printing Bluetooth Setting instructions.
6Briefly press the push button once.
7Press the push button again. (Do not release the push button until printing starts.)
The printer starts printing Auto Re-Connect iOS instructions.
8<To enable> Press the push button once.
<To disable> Press the push button twice.
When the software version for the interface board is 1.01 or later:
9Press the push button again. (Do not release the push button until printing starts.)
The selected setting value (Enable/Disable) is printed.
10The printer starts printing Wireless Module Setup instructions.
Changing the settings is complete. You can turn off the printer.
When the software version for the interface board is 1.00 or earlier:
9Press the push button again. (Do not release the push button until the following mes-
sage is printed.)
"Please release the Push button."
10The printer restarts.

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iAP2 Protocol Settings
When the firmware version for interface board is 1.05 or later, you can change the accessory protocol (iAP2)
settings used to connect with the device.
Follow the steps below.
1Load the roll paper.
2Close the roll paper cover.
3Turn on the printer while holding down the interface board push button. (Do not
release the push button until printing starts.)
The printer starts printing Wireless Module Setup instructions.
4Briefly press the push button twice.
5Press the push button again. (Do not release the push button until printing starts.)
The printer starts printing Bluetooth Setting instructions.
6Briefly press the push button twice.
The printer starts printing (iAP2) instructions.
Setting Explanation
Enable (default) iAP2 is used to connect to the device. This setting should normally be used.
Disable iAP1 is used to connect to the device. Use when there is a problem connecting
to the device using iAP2.

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Chapter 2 Connecting to iOS Devices
2
Bluetooth Security Settings
When the firmware version for interface board is 1.05 or later, you can change the Bluetooth security settings.
Follow the steps below.
1Load the roll paper.
2Close the roll paper cover.
3Turn on the printer while holding down the interface board push button. (Do not
release the push button until printing starts.)
The printer starts printing Wireless Module Setup instructions.
4Briefly press the push button twice.
5Press the push button again. (Do not release the push button until printing starts.)
The printer starts printing Bluetooth Setting instructions.
6Briefly press the push button three times.
The printer starts printing Security instructions.
* When Middle or High is selected, the power LED flashes in the following pattern while pairing is
possible.
When the security settings are changed, the link key (pairing information) is removed.
You can also change the settings with TM Utility for iOS/Android.
Security Pairing Mode Pairing Method
Low Pairing is always possible Just Works
Middle Pairing is possible for one minute after
printing the status sheet
Just Works
High Pairing is possible for one minute after
printing the status sheet
Numeric Comparison/Passkey Entry
Approx. 640 ms
5,120 ms

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Pairing method when the security is set to Middle/High (from the printer)
When the security is set to Middle or High and the printer is ready to be paired, perform the following proce-
dure.
1Turn on the printer and wait for about seven seconds.
2Hold down the push button for at least three seconds.
3A status sheet is printed, and the LED on the interface board flashes a pattern indicat-
ing that pairing is now possible.
Pairing method when the security is set to High (from the host)
When the security is set to High and the printer is ready to be paired, perform the following procedure.
1Search for the printer on the Bluetooth settings screen on the host device.
2Select the printer you want to pair with.
The printer prints the Passkey.
3Check that the printed Passkey and the Passkey displayed on the host device match,
and then select "Pairing" on the host device.
Pairing is possible for one minute after printing the status sheet.

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Chapter 2 Connecting to iOS Devices
2
Dynamic Status Sheet Print Mode
In the dynamic status sheet print mode, the printer prints the dynamic status sheet indicating the Bluetooth set-
tings.
1Make sure the printer is turned on.
2Open the roll paper cover.
3Install the roll paper.
4With the roll paper cover open, keep pressing the Feed button until the buzzer
sounds.
5Close the roll paper cover.
The printer starts printing the status sheet.
After printing, the printer returns to the normal mode.
Dynamic Status Sheet printing is available when the firmware version for interface board is 1.05 or
later.
Firmware Version xx.xx ESC/POS
Bluetooth Interface
BD_ADDR : xx:xx:xx:xx:xx:xx
Passkey : 0000
Device Name : TM-Txx xxxxxx
Soft Ver : 1.05
Module Ver : 1.03
Mode : Auto re-connect disable
Security : LOW
BT:00037A0CB082
DN:TM-TXX

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Initial Bluetooth Settings
Setting Contents Setting Items Initial Settings
Bluetooth communication
settings
Bluetooth passkey "0000"
Bluetooth device name "TM-yyyy_xxxxxx"
(Where yyyy is the model name, and xxxxxx is the last
six digits in the serial number)
Bundle Seed ID "TXAEAV5RN4"
Enable/Disable auto reconnect to
iOS device
Depends on the models.
The settings can be confirmed by status sheet print-
ing.

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Chapter 3 Application Development Information
3
Application Development Information
About Epson ePOS SDK
The Epson ePOS SDK is a newer version of ePOS-Print SDK. The Epson ePOS SDK for iOS is provided for
application development. Please contact us for the necessary kit.
Application Development and Distribution
If registering an application that uses Bluetooth in the App Store, Epson must submit an application to Apple in
advance. Please apply for each application you want to register in the App Store from the URL below.
https://c4b.epson-biz.com/ais/E/

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