Epson TM-T88V-i Technical Reference Guide

Describes how to control the printer and necessary information when you develop applications.
Describes setup and installation of the product and peripherals.
Describes how to handle the product.
Describes general specifications and character code tables.
Describes features for the product.
Technical Reference Guide
Product Overview
Setup
Application Development Information
Handling
Appendix
M00075304
Rev. E
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 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.
Windows is registered trademarks or trademarks of Microsoft Corporation in the United States and other countries.
microSD is registered trademarks of SD Card Association.
®
, WPATM, and WPA2TM are either registered trademarks or trademarks of Wi-Fi Alliance®.
Wi-Fi
QR Code® is a registered trademark of DENSO Wave Incorporated.
AndroidTM is a trademark of Google Inc.
®
is a trademark or registered trademark of Cisco in the U.S. and other countries and is used under
IOS license.
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 2014-2016. All rights reserved.
2

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.
CAUTION
Possibility of sustaining physical injuries.Possibility of causing physical damage.Possibility of causing information loss.
Provides information that must be observed to avoid damage to your equipment or a malfunction.
Provides important information and useful tips.
3

Warnings

WARNING
To avoid risk of electric shock, do not set up this product or handle cables during
a thunderstorm
Never insert or disconnect the power plug with wet hands.
Doing so may result in electric shock.
Handle the power cable with care.
Improper handling may lead to fire or electric shock.
Do not modify or attempt to repair the cable.Do not place any heavy object on top of the cable.Avoid excessive bending, twisting, and pulling.Do not place the cable near heating equipment.Check that the plug is clean before plugging it in.Be sure to push the plug all the way in.
Be sure to use the specified power source.
Connection to an improper power source may cause fire or electric shock.
Do not place multiple loads on the power outlet.
Overloading the outlet may lead to fire.
Shut down your equipment immediately if it produces smoke, a strange odor, or
unusual noise.
Continued use may lead to fire. Immediately unplug the equipment and contact your dealer or a Seiko Epson service center 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, do not continue to use it.
Continued use may lead to fire. Unplug the power cord immediately and contact your dealer or a Seiko Epson service center for advice.
If you open the DIP switch cover, be sure to close the cover and tighten the screw
after adjusting the DIP switch.
Using this product with the cover open may cause fire or electric shock.
Do not use aerosol sprayers containing flammable gas inside or around this
product.
Doing so may cause fire.
4

Cautions

CAUTION
Do not connect cables in ways other than those mentioned in this manual.
Different connections may cause equipment damage or fire.
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 this product 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.
Take care not to injure your fingers on the manual cutter
When you remove printed paperWhen you perform other operations such as loading/replacing roll paper
Do not open the roll paper cover without taking the necessary precautions, as this
can result in injury from the autocutter fixed blade.
To ensure safety, unplug this product before leaving it unused for an extended
period.
Do not knock or strike the printer. This may cause defective print.Do not catch cables or place foreign matter under the printer.Use the UL-approved peripherals (only for North American users).

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/precisio
consideration to including fail-safes and redundancies into your design to maintain safety and total
system reliability. B ec ause this product was not inten
high reliability/safety, s uch 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 aft
n devices, etc., you should use this product only after giving
ded for use in applications requiring extremely
er a full evaluation.
5

About this Manual

<General Information> Firmware X.XX ePOS-Device X.XX Model TM-T88V-i Time
<General Information> Software X.XX Model TM-T88V-i Time yyyy-mm-dd hh:mm:ss

Aim of the Manual

This manual aims to provide all the information necessary for the development, design, and
installment of POS systems, order entry systems, and other receipt issuing systems that use TM-
T88V-i.
TM-T88V-i provides different available functions depending on the product specification a
Firmware version.
Refer to an appropriate Technical Reference Guide described in the following table.
TM-T88V-i product
specifications
TM-T88V-i (with a Serial port)
TM-T88V-i (without a Serial port)
*1
TM-i Firmware Version
Ver.4.0 or later
Ver.4.0 or later
Ver.3.x or earlier TM-T88V-i Technical Reference Guide
*2
Technical Reference Guide to be used
TM-T88V-i (TM-i Firmware Ver.4.0 or later) Technical Reference Guide (This document)
TM-T88V-i (TM-i Firmware Ver.4.0 or later) Technical Reference Guide (This document)
*1: You can check the rear of the printer for the availability of serial ports.
TM-T88V-i (with a Serial port) TM-T88V-i (without a Serial port)
9 pin connector (Male)
15 pin connector (Female)
(Blue)
nd TM-i
*2: For TM-T88V-i (without Serial port), print a status sheet to confirm whether the version of TM-i
Firmware is 4.0 or later. Make s
is turned on), and hold down the push button at the rear of this product for at least 3 seconds before
releasing it.
(See
“Firmware” (TM-i Firmware Version) is printed under <General Information>.
6
ure that this product is ready to print (the paper is set and the power
"Confirming with a status sheet" on page 59.)
TM-i Firmware Ver.4.0 or later TM-i Firmware Ver.3.x or earlier
“Software” (TM-i Firmware Version) is printed under <General Information>.

Manual Content

The manual is made up of the following sections:
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Appendix
Product Overview
Setup
Application Development Information
Handling
Product Specifications
Option Specifications
Setting Items for Software Setting Mode
Character Code Tables
7

Contents

For Safety .............................................................................................................................. 3
Key to Symbols........................................................................................................................................ 3
Warnings..................................................................................................................................................4
Cautions ..................................................................................................................................................5
Restriction of Use.................................................................................................................. 5
About this Manual................................................................................................................ 6
Aim of the Manual .................................................................................................................................6
Manual Content.....................................................................................................................................7
Contents................................................................................................................................ 8
Product Overview........................................................................13
Features............................................................................................................................... 13
Product Configurations...................................................................................................... 15
Bundled items .......................................................................................................................................15
Options ..................................................................................................................................................15
Part Names and Functions ................................................................................................ 16
Power Switch .........................................................................................................................................16
Power Switch Cover ............................................................................................................................. 16
Roll paper cover / Cover open button..............................................................................................17
Cutter cover..........................................................................................................................................17
Control Panel ........................................................................................................................................17
Interfaces...............................................................................................................................................18
Status LED ..............................................................................................................................................20
Push Button............................................................................................................................................20
Wired LAN Status LED ...........................................................................................................................21
Wireless LAN cable set (optional) LED................................................................................................21
Online and Offline..............................................................................................................22
Online.....................................................................................................................................................22
Offline.....................................................................................................................................................22
Error Status........................................................................................................................... 23
Automatically Recoverable Errors ......................................................................................................23
Recoverable Errors ...............................................................................................................................23
Unrecoverable Errors ............................................................................................................................24
NV Memory......................................................................................................................... 25
NV Graphics Memory ..........................................................................................................................25
Memory Switches (Customized Value) ..............................................................................................25
R/E (Receipt Enhancement) ...............................................................................................................25
Maintenance Counter.........................................................................................................................26
8
Setup.............................................................................................27
Flow of Setup....................................................................................................................... 27
Installing the Product ......................................................................................................... 32
Important Notes....................................................................................................................................32
Setting the DIP Switches..................................................................................................... 33
Setting Procedure.................................................................................................................................33
Functions ...............................................................................................................................................34
Changing the Paper Width................................................................................................ 36
Adjusting the Paper Roll Near-End Sensor ....................................................................... 38
Installing the microSD Card............................................................................................... 39
Connecting the Product to the Network .......................................................................... 40
For Wired LAN connection ..................................................................................................................40
For Wireless LAN Interface ................................................................................................................... 40
Connecting the Peripherals .............................................................................................. 43
Connecting the Customer Display.....................................................................................................43
Connecting the Optional External Buzzer .........................................................................................44
Connecting the Serial Communication Device ...............................................................................47
Key Input Device via a USB Interface.................................................................................................47
Connecting the Cash Drawer.............................................................................................................48
Connecting the AC Adapter............................................................................................. 50
Attaching the Connector Cover ....................................................................................... 51
Attaching the Power Switch Cover................................................................................... 53
Setting the Memory Switches (Customized Value)......................................................... 54
Functions ...............................................................................................................................................55
Network Setting .................................................................................................................. 57
Confirming Network Setting ................................................................................................................59
Initializing the Network Setting ............................................................................................................60
Enabling PHP....................................................................................................................... 62
Enabling HTTPS Communication....................................................................................... 63
Settings for Server Direct Print ........................................................................................... 64
Settings for Connected Devices ....................................................................................... 65
Registering Web Contents................................................................................................. 67
Creating Web Contents ......................................................................................................................67
Specifications for when PHP is enabled.............................................................................................68
Verifying the integrity of Web contents with md5 files .....................................................................69
Certificate files ...................................................................................................................................... 69
Registering Web Contents...................................................................................................................70
Settings for Spooler............................................................................................................. 72
Settings for Print Forwarding .............................................................................................. 73
Settings for Device Data Notification ............................................................................... 74
9
Application Development Information...................................... 75
Controlling the Printer ........................................................................................................ 75
Epson ePOS SDK ...................................................................................................................................76
ePOS-Device XML.................................................................................................................................77
ePOS-Print XML......................................................................................................................................79
Server Direct Print .................................................................................................................................80
Device Data Notification.....................................................................................................................81
Web Server............................................................................................................................................82
Spooler and Print Forwarding..............................................................................................................83
Software and Manuals....................................................................................................... 86
How to Get Manuals and the Utility ...................................................................................................88
EPSON TMNet WebConfig .................................................................................................. 89
Starting EPSON TMNet WebConfig .....................................................................................................89
Help Screen Display .............................................................................................................................89
Version Screen Display .........................................................................................................................89
General Information.............................................................................................................................90
Information - Wired - TCP/IP ................................................................................................................91
Information - Wireless - TCP/IP .............................................................................................................92
Information - Web Contents................................................................................................................92
Information - Time.................................................................................................................................93
Web Service Settings - Device Admin - Printer.................................................................................. 93
Web Service Settings - Device Admin - Customer Display ..............................................................94
Web Service Settings - Device Admin - Key Input Device ...............................................................94
Web Service Settings - Device Admin - Serial Communication Device ........................................95
Web Service Settings - Device Admin - Search Printer ....................................................................95
Web Service Settings - Spooler - Settings ...........................................................................................96
Web Service Settings - Spooler - Print forwarding............................................................................. 96
Web Service Settings - Web Contents - Update Settings.................................................................97
Web Service Settings - Server Access - Direct Print ..........................................................................98
Web Service Settings - Server Access - Status Notification..............................................................99
Web Service Settings - Server Access - Device Data Notification................................................100
System Settings - Network - Wired ....................................................................................................101
System Settings - Network - Wired - TCP/IP ......................................................................................101
System Settings - Network - Wireless .................................................................................................102
System Settings - Network - Wireless - TCP/IP...................................................................................103
System Settings - Security - Authenticate Server............................................................................. 103
System Settings - Security - SSL ..........................................................................................................104
System Settings - Proxy - Proxy...........................................................................................................104
System Settings - Time - Time .............................................................................................................105
Admin Settings - Maintenance - Reset ............................................................................................105
Admin Settings - Administrator Information - Administrator ...........................................................106
Admin Settings - Administrator Information - Password..................................................................106
PHP settings .........................................................................................................................................107
Status sheet....................................................................................................................... 108
Setting/Checking Modes ................................................................................................ 114
Self-test Mode .....................................................................................................................................114
NV Graphics Print Mode ....................................................................................................................115
Receipt Enhancement Information Print Mode..............................................................................116
Software Setting Mode ......................................................................................................................117
Hexadecimal Dumping Mode ..........................................................................................................120
Easy Setup......................................................................................................................... 121
10
Checking/Updating TM-i Firmware ................................................................................ 122
Checking the TM-i Firmware Version................................................................................................ 122
Updating TM-i Firmware .................................................................................................................... 122
Handling .....................................................................................123
Installing and Replacing Roll Paper ............................................................................... 123
Removing Jammed Paper .............................................................................................. 125
Cleaning the Printer ......................................................................................................... 126
Cleaning the Printer Case................................................................................................................. 126
Cleaning the Thermal Head/Platen Roller ...................................................................................... 126
Preparing for Transport..................................................................................................... 127
Appendix....................................................................................129
Product Specifications..................................................................................................... 129
Software Specifications..................................................................................................................... 130
Controllable Peripherals.................................................................................................................... 131
Printing Specifications ....................................................................................................................... 132
Character Specifications .................................................................................................................. 133
Printable Area .................................................................................................................................... 134
Printing and Cutting Positions ........................................................................................................... 136
Paper Specifications.......................................................................................................................... 136
Electrical Characteristics .................................................................................................................. 137
Environmental Conditions ................................................................................................................. 138
External Dimensions and Mass ......................................................................................................... 139
AC Adapter,RA .................................................................................................................................. 140
Option Specifications ...................................................................................................... 140
Wireless LAN Cable Set (OT-WL01) ................................................................................................... 140
Customer Display (DM-D110 ) .......................................................................................................... 140
Setting Items for Software Setting Mode ........................................................................ 141
Character Code Tables ................................................................................................... 144
11
12
Chapter 1 Product Overview

Product Overview

This chapter describes features of the product.

Features

TM-T88V-i is a receipt printer which can print directly from a smart device application or Web
application.
*1
This product supports ePOS-Device
peripherals or network compatible TM printers.
*1: ePOS-Device: Epson original technology to control TM printers or POS peripherals via a smart
device application or Web application. This technology is realized by ePOS-Device Service
running on the products.
and ePOS-Print *2 and are capable of controlling POS
1
*2: ePOS-Print: Epson original printing function t
systems supported by XML and Web services. This technology is realized by the ePOS-Print
Service running on the products.
hat has a high compatibility with a variety of
Functions
•Enables connection to peripherals (customer displays, barcode scanners, etc) via a USB or serial *1
interface.
•The Epson ePOS SDK is provided for iOS, Android and Windows application, and Web
application development.
The Epson ePOS SDK is a software development kit that integrates the ePOS-Print SDK and the
ePOS-Device SDK. It is recommended that application software developed with the ePOS-Device
SDK is migrated t
the Epson ePOS SDK.
• Uses the communication box
This function allows for communications, etc. between tablet terminals. (Epson ePOS SDK,
ePOS-Device XML)
•Supports Server Direct Print that sends a request for print data from the product to the Web server
at regular
intervals.
o the Epson ePOS SDK. For detail, refer to the Migration Guide included with
*2
function to enable communications between applications.
•Since print data can be saved in the spooler, applications can be released from processing print
jobs regardless of the printer status.
•When a network printer is registered, print forwarding process can be realized. Also, if the printer
is not ready to print, you can print from another printer.
•Device data notification function is realized, allowing for notifications to be sent from devices
such as barcode scanners to Web servers to trigger applications.
•Equipped with Web server that supports the scripting language "PHP" and database "SQLite3".
•Enables HTTPS *4 communication.
•Supports TLS1.2. SSL3.0 is not supported.
*3
*3
*3
*5
13
*1: Not available for TM-T88V-i (without a Serial port).
*2: For more information on the communication box, see the User's Manuals for the Epson ePOS
SDK, or the ePOS-Device XML User's Manual.
*3: TM-i firmware Ver. 4.1 or later.
*4: TM-i firmware Ver. 4.3 or later.
*5: TM-i firmware Ver. 4.4 or later.
For information on how to use these functions, see "Controlling the Printer" on page 75.
14

Product Configurations

Bundled items

•AC adapter,RA
•AC cable *
• Roll paper (for operation check)
•Connector cover
•Power switch cover
• Roll paper guide for 58 mm width paper
•Two strips for the roll paper guide
•Screw for the roll paper guide
•Start Here
•Manual CD
Chapter 1 Product Overview
1
* May not be included depending on the areas and models.

Options

•Affixing tape for fixing the printer (Model: DF-10)
•Buzzer unit (Model: OT-BZ20)
•Wireless LAN cable set (Model: OT-WL01)
•Customer display (Model: DM-D110)
15

Part Names and Functions

Roll paper cover
Control panel
Cover open button

Powe r swi tch

Cutter cover

Power switch cover

Connector cover
Manual cutter
Turns the printer on or off. The marks on the switch: ( : OFF/ : ON)
Install the power switch cover that comes with the TM-T88V-i onto the printer to prevent inadvertent
changing of the power switch, to prevent tampering, and to improve the appearance of the printer.
To op erate the power switch, insert an object with a pointed tip such as a ballpoint pen into the hole
on the power swit
Power Switch
Before turning on the product, be sure to check that the AC adapter is connected to the power supply.
CAUTION
After the product is turned on, it requires about 30 seconds until it is ready to print.
Power Switch Cover
ch cover.
If an accident occurs with the power switch cover attached, unplug the power cord immediately.
WARNING
Continued use of the printer may cause fire or electric shock.
16
Chapter 1 Product Overview
(Power) LED
Error LED
Paper LED
Feed button

Roll paper cover / Cover open button

When setting or replacing the roll paper, press the cover open button to open the roll paper cover.
Do not open the roll paper cover during printing or while the autocutter is operating.

Cutter cover

The autocutter is inside the cutter cover. Open the cover when roll paper is jammed in the printer or
to return the cutter blade manually.

Control Panel

1
Name Status Description
(Power) LED On Power is being supplied.
Off Power is not being supplied.
Error LED Off Normal operation (online)
On Immediately after the power is turned on or immediately after a reset
(offline). Automatically goes off after a while to indicate that the printer is ready.
The end of the roll paper is detected, and when printing has stopped
(offline). If this happens, replace the roll paper.
Flashing An error has occurred
(For details about the flash codes, see "Error Status" on page 23.)
Paper LED Off There is a sufficient amount of roll paper remaining.
On There is little or no roll paper remaining.
Flashing A self-test printing standby state and macro execution standby state
Feed button Pressing this button once feeds the roll paper by one line. Holding this button down
feeds the roll paper continuously.
17

Interfaces

Drawer kick connector
Serial port
microSD card slot
Ethernet port
USB port
USB port
DC-In (24V) connector
Micro-USB port
DC-In (5V) connector
Protective cover
With a Serial port
Name Description
Drawer kick connector Connects a cash drawer or the optional buzzer unit.
Ethernet port Connect the LAN cable here to connect to the network.
USB port (Type A) Connects peripherals via a USB interface.
Micro-USB port
Connects a computer when setting the product with TM-T88V Utility.
(Type Micro-AB)
DC-In (5V) connector Connects a AC adapter,RA.
DC-In (24V) connector Connects a AC adapter,RA.
microSD card slot When using the PHP function.
Serial port Connects a serial communication device.
When connecting USB interface devices, make sure to check the devices or manuals,
etc. for current consumption. The total value should be 2.0 A or less. Never use
CAUTION
devices that provide no information on current consumption.
Make sure that the protective cover is securely fit into place while the product is oper-
ating.
For Ethernet ports, make sure that the outdoor aerial LAN cables are connected
through a surge protector. Failure to do so may lead to device error resulting from indirect lightning.
For the Micro-USB port, use a Micro-USB (Type Micro-B) cable.
18
Chapter 1 Product Overview
Drawer kick connector
Analog RGB port
microSD card slot
Ethernet port
USB port
USB port
DC-In (24V) connector
Micro-USB port
DC-In (5V) connector
Protective cover
Without a Serial port
Name Description
Drawer kick connector Connects a cash drawer or the optional buzzer unit.
LAN connector Connect the LAN cable here to connect to the network.
1
USB connector
Connects optional products.
(for optional products)
Micro-USB connector
Connects the product to a computer to set up the product.
(for optional products)
Power supply connector for
Connects a AC adapter,RA.
DC 5V
Power supply connector for
Connects a AC adapter,RA.
DC 24V
microSD card slot When using the PHP function with the firmware version 2.0 or later.
Analog RGB port Currently not available.
When connecting USB interface devices, make sure to check the devices or manuals,
etc. for current consumption. The total value should be 2.0 A or less. Never use
CAUTION
devices that provide no information on current consumption.
Make sure that the protective cover is securely fit into place while the product is oper-
ating.
For Ethernet ports, make sure that the outdoor aerial LAN cables are connected
through a surge protector. Failure to do so may lead to device error resulting from indirect lightning.
For the Micro-USB port, use a Micro-USB (Type Micro-B) cable.
19

Status LED

Status LED

Push button

With the status LED on the rear of the product, you can check the interface board status.
LED Description
On (Green) Operating normally.
On (Orange) Starting up.
If the status LED is on in orange even after 30 seconds have passed since the printer is turned on, repair is required.
Off Power is not turned on.
If the status LED is off even if the printer is turned on, repair is required.
Push Button
Press the push button with a thin object such as a tweezers.
The push button has the following functions:
•Status sheet printing:
Make sure the product is turned on, press the push button for approximately 3 seconds. When you
release the button, a status sheet on which ne
twork parameters are printed will be ejected. (See
"Confirming with a status sheet" on page 59.)
•Initialization:
Make sure the product is turned on, press the push button for approximately 10 seconds. When
you release the button, network setting (Wired LAN/ Wireless LAN) will be initialized. (See
"Initializing the Network Setting" on page 60.)
To print a status sheet, release the push button within 10 seconds. If the button is kept down for 10 seconds or more, the network setting will be initialized.
Press the push button after the status LED color has changed from orange to green. After
the printer is turned on, it takes about 20 to 30 seconds until the status LED color changes to green.
Even if the button is pressed while the status LED is on in orange, the button will not operate.
20
Chapter 1 Product Overview
LED (Green)
LED (Yellow)
LED (Green)

Wired LAN Status LED

With the Wired LAN Status LED on the rear of the product, you can check the communication status
of the product.
LED Status Description
Green On Link established
Flashing Transmitting/receiving data
Off Link not established
Yellow On 100BASE-TX
Off 10BASE-T

Wireless LAN cable set (optional) LED

With the LED on the wireless LAN unit, you can check the communication status of the product.
1
LED Description
Off The wireless LAN unit is not connected to the product. Or the product power is OFF.
Flashing This wireless LAN unit is connected to the product and is in operation.
Flashing rapidly This wireless LAN unit is connected to the product and is in operation.
This unit is communicating on a network.
21

Online and Offline

Online

When no events to go offline have occurred, the printer is online and ready for normal printing.

Offline

The printer automatically goes offline under the following conditions:
•During power on (including resetting with the interface) until the printer is ready
•During the self-test
•When the roll paper cover is open.
•While roll paper is fed using the Feed button.
•When printing stops due to end of paper. (When
or the printer is set so that printing stops upon detection of roll paper near-end.)
• Macro execution standby state
•When an error has occurred
the roll paper end sensor detects the end of paper
22
Chapter 1 Product Overview
LED ON
LED OFF
Approx. 160 ms
LED ON
LED OFF
Approx. 160 ms
Approx. 2560 ms

Error Status

There are three possible error types: automatically recoverable errors, recoverable errors, and
unrecoverable errors. Check the error LED flash code.
When connection to peripherals fails, check the status LEDs at the lower rear of the product.

Automatically Recoverable Errors

Printing is no longer possible when automatically recoverable errors occur. T hey c a n be recovered
easily, as described below.
Error Error description Error LED flash code Recovery measure
1
Roll paper cover open error
Print head temperature error
The roll paper cover was opened during printing.
A high temperature outside the head drive operating range was detected.
LED ON
LED OFF
Approx. 160 ms
Recovers automatically when the roll paper cover is closed.
Recovers automatically when the print head cools.

Recoverable Errors

Printing is no longer possible when recoverable errors occur. They c a n be recovered easily by turning
the power on again after eliminating the cause of the error.
Error Error description Error LED flash code Recovery measure
Autocutter error Autocutter does not
work correctly.
Remove the jammed paper or foreign matter in the printer, close the roll paper cover, and then turn the power on to recover.
23

Unrecoverable Errors

LED ON
LED OFF
Approx. 160 ms
LED ON
LED OFF
Approx. 160 ms
LED ON
LED OFF
Approx. 160 ms
LED ON
LED OFF
Approx. 160 ms
Approx. 2560 ms
If the same error occurs again even after turning the power back on, contact your dealer or a Epson
service center.
Turn off the power immediately when unrecoverable errors occur.
CAUTION
Error Error description Error LED flash code
Memory R/W error After R/W checking, the printer does not
work correctly.
High voltage error The power supply voltage is extremely high.
Low voltage error The power supply voltage is extremely low.
CPU execution error The CPU is executing an incorrect address.
Internal circuit
Internal circuits are not connected correctly.
connection error
LED ON
LED OFF
Approx. 160 ms
24
Chapter 1 Product Overview

NV Memory

The product's NV memory (Non-Volatile Memory) stores data even after the product power is
turned off. NV memory contains the following memory areas for the user:
•NV graphics memory
•Memory switches (customized value)
•R/E (Receipt Enhancement)
•Maintenance counter
As a guide, NV memory rewriting should be 10 times or less a day when you program applications.
CAUTION

NV Graphics Memory

1
Graphics, such as shop logos to be printed on receipts, can be stored.
Use the TM-T88V Utility to register graphics.
To ch eck the registered graphics, select [Operation Check] - [Print Logo] in TM-T88V Utility.
For detailed information about the TM-T88V Utility, see the TM-T88V Utility User’s Manual.For information about how to use the NV graphics memory print mode, see
Print Mode" on page 115
.
"NV Graphics

Memory Switches (Customized Value)

With the memory switches (customized value), which are software switches for the product, you can
set paper width, print density, f ont, power supply unit capacity, automatic paper cut, and paper
reduction. See
"Setting the Memory Switches (Customized Value)" on page 54.

R/E (Receipt Enhancement)

Graphics, such as shop logos can be printed on top or bottom of receipts by setting R/E (Receipt
Enhancement). For detail, refer to the TM-T88V Utility User’s Manual.
25

Maintenance Counter

With this function, printer information, such as the number of line feeds, the number of autocuts,
and product operation time after the printer starts working, is automatically stored in NV memory.
You can read the information with the TM-T88V Utility or in a self-test to
or part replacement.
use it for periodical checks
26
Chapter 2 Setup

Setup

This chapter describes the installation and setup procedure of the product and peripherals required
to use the product.
Yo u can utilize "Easy Setup", which enables settings to the TM-i to be made in a simple manner using
a USB memory that contains a file of EPSON TMNet WebC on fig setting values.
For detail, refer the “TM-i series Easy Setup Guide”.

Flow of Setup

The setting items are different depending on the system to be used. Check the items by referring to
"Controlling the Printer" on page 75.
•Epson ePOS SDK, ePOS-Device XML, ePOS-Print XML (page 28)
•Server Direct Print (page 29)
•Device Data Notification (
•Using This Product as a Web Server (page 31)
This chapter consists of the following sections along with the setup flow of the product and
peripherals.
In this setup flow, necessary items are in a frame with a solid line. Optional items are explained in an frame with a dotted line.
page 30)
2
27
Epson ePOS SDK, ePOS-Device XML, ePOS-Print XML
Settings for Printer
10. Setting the Memory Switches (Customized Value) (page 54)
Settings for EPSON TMNet WebConfig
1. Installing the Product (page 32)
2. Setting the DIP Switches (page 33)
3. Changing the Paper Width (page 36)
4. Adjusting the Paper Roll Near-End Sensor (page 38)
5. Connecting the Peripherals (page 43)
6. Connecting the Product to the Network (page 40)
7. Connecting the AC Adapter (page 50)
8. Attaching the Connector Cover (page 51)
9. Attaching the Power Switch Cover (page 53)
11. Network Setting (page 57)
12. Enabling HTTPS Communication (page 63)
13. Settings for Connected Devices (page 65)
14. Settings for Spooler (page 72)
15. Settings for Print Forwarding (page 73)
28
Server Direct Print
Settings for Printer
Settings for EPSON TMNet WebConfig
1. Installing the Product (page 32)
2. Setting the DIP Switches (page 33)
3. Changing the Paper Width (page 36)
4. Adjusting the Paper Roll Near-End Sensor (page 38)
5. Connecting the Peripherals (page 43)
6. Connecting the Product to the Network (page 40)
7. Connecting the AC Adapter (page 50)
8. Attaching the Connector Cover (page 51)
9. Attaching the Power Switch Cover (page 53)
10. Setting the Memory Switches (Customized Value) (page 54)
11. Network Setting (page 57)
13. Settings for Connected Devices (page 65)
12. Settings for Server Direct Print (page 64)
14. Settings for Spooler (page 72)
15. Settings for Print Forwarding (page 73)
Chapter 2 Setup
2
29
Device Data Notification
Settings for Printer
Settings for EPSON TMNet WebConfig
1. Installing the Product (page 32)
2. Setting the DIP Switches (page 33)
3. Changing the Paper Width (page 36)
4. Adjusting the Paper Roll Near-End Sensor (page 38)
5. Connecting the Peripherals (page 43)
6. Connecting the Product to the Network (page 40)
7. Connecting the AC Adapter (page 50)
8. Attaching the Connector Cover (page 51)
9. Attaching the Power Switch Cover (page 53)
10. Setting the Memory Switches (Customized Value) (page 54)
11. Network Setting (page 57)
12. Settings for Connected Devices (page 65)
13. Settings for Device Data Notification (page 74)
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