Epson TM-T88VI Low speed Technical Reference Guide

(Low speed model)

Technical Reference Guide

Product Overview

Describes features of the product.

Setup

Describes setup and installation of the product and peripherals.

Advanced Usage

Describes advanced usage methods for the product.

Application Development Information

Describes how to control the printer and necessary information when you develop applications.

Handling

Describes how to handle the product.

Replacement of the TM-T88V

Describes precautions for replacement.

Appendix

Describes general specifications and character code tables.

M00109304

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. Microsoft, Windows, and Windows Vista are registered trademarks of Microsoft Corporation in the United States and/or other countries.

Wi-Fi®, WPATM, and WPA2TM are either registered trademarks or trademarks of Wi-Fi Alliance®.

The Bluetooth® word mark and logos are registered trademarks owned by Bluetooth SIG, Inc. and any use ofsuch marks by Seiko Epson Corporation is under license.

IOS is a trademark or registered trademark of Cisco in the U.S. and other countries and is used under license. AirPlay, iPad, iPhone, iPod, iPod classic, iPod nano, iPod touch, and Retina are trademarks of Apple Inc., registered in the U.S. and other countries. iPad Air, iPad mini, and Lightning are trademarks of Apple Inc. iBeacon is a trademark of Apple Inc.

AndroidTM is a trademark of Google LLC.

Google Play and the 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 2017–2021.

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.
		• Possibility of sustaining physical injuries.
	CAUTION	• 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.

Warnings

		In the following cases, immediately unplug the AC cable and contact qualified service personnel.
		Continued use may lead to fire or electric shock.
	WARNING	• If the product emits smoke, a strange odor, or unusual noises.
		• If water or other liquid spills into the product.
		• If the product is too hot to touch or the case is deformed.
		Note the following points to avoid accidents such as fire, electric shock, or burn.

•Do not use this product where flammable fumes from gasoline, benzine, thinner, or other flammable liquids may be in the air.

•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 equipment.

•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 the power plug if there is dust or foreign matter attached.

•Do not bend, twist, pull with excessive force, or place heavy object on the power cable.

•Do not use the cables if they are damaged.

•Do not place multiple loads on the power outlet (wall outlet).

•Never insert or disconnect the power plug with wet hands.

3

Cautions

		Note the following points to avoid injury or malfunction.
		• Setup the product on a firm, stable, horizontal surface.
	CAUTION	• Do not place heavy objects on top of the product. Never stand or lean on the product.
		• Do not press your hands or fingers against the cutter when removing printed paper or loading/
		replacing roll paper.

•Do not put your hands between the cover and the body of the product when opening/closing the cover.

•Never attempt to repair the product yourself.

•Do not connect a telephone line to the drawer kick connector.

To ensure safety, unplug this product before leaving it unused for an extended period.

4

Caution Labels

The caution labels on the product indicate the following precautions.

CAUTION:

Do not touch the thermal head and the frame on its side because it can be very hot after printing.

CAUTION:

Touching the manual cutter may cause injury.

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.

Note about interference

•This product generates, uses, and can radiate radio frequency 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 for the radio/TV.

-Increase the separation between the equipment and the radio/TV.

-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.

•Seiko Epson Corporation shall not be liable for interference to radio/TV resulting from changes or modifications to this product not expressly approved by Seiko Epson Corporation.

Open Source Software License

This product uses open source software in addition to Epson proprietary software.

For information of the open source software used in this product, see the following URL. http://xxx.xxx.xxx.xxx/licenses.html

For “xxx.xxx.xxx.xxx” in the above URL, input your printer’s IP address.

5

About this Manual

Aim of the Manual

This manual provides developers/engineers with all the necessary information for design, development and installation of a POS system, and also design and development of a printer application.

Manual Content

The manual is made up of the following sections:

Chapter 1	Product Overview
Chapter 2	Setup
Chapter 3	Advanced Usage
Chapter 4	Application Development Information
Chapter 5	Handling
Chapter 6	Replacement of the TM-T88V
Appendix	Product Specifications
	Specifications of Interfaces and Connectors
	Character Code Tables

6

Contents
■ For Safety..................................................................................................................................	3
Key to Symbols....................................................................................................................................................................	3
Warnings ...............................................................................................................................................................................	3
Cautions.................................................................................................................................................................................	4
■ Caution Labels .........................................................................................................................	5
■ Restriction of Use ....................................................................................................................	5
■ Note about interference ........................................................................................................	5
■ Open Source Software License.............................................................................................	5
■ About this Manual ..................................................................................................................	6
Aim of the Manual .............................................................................................................................................................	6
Manual Content..................................................................................................................................................................	6
■ Contents....................................................................................................................................	7
Product Overview ..........................................................................................	13
■ Features .................................................................................................................................	13
■ Product Configurations ......................................................................................................	15
Models..................................................................................................................................................................................	15
Accessories .........................................................................................................................................................................	15
■ Part Names and Functions .................................................................................................	16
Control Panel .....................................................................................................................................................................	17
Connectors .........................................................................................................................................................................	18
Online and Offline............................................................................................................................................................	20
■ Status and Errors ..................................................................................................................	21
Error Status .........................................................................................................................................................................	21
Status Display ....................................................................................................................................................................	22
■ NV Memory ...........................................................................................................................	24
NV Graphics Memory......................................................................................................................................................	24
User NV Memory ..............................................................................................................................................................	24
Memory Switches.............................................................................................................................................................	24
R/E (Receipt Enhancement)..........................................................................................................................................	24
Maintenance Counter.....................................................................................................................................................	25
Web contents.....................................................................................................................................................................	25
■ Simple Setup for Wireless LAN ..........................................................................................	26
■ Useful Functions for Smart Devices..................................................................................	27
NFC Tag ................................................................................................................................................................................	27
QR Code...............................................................................................................................................................................	27
■ Printing Using Multiple Interfaces....................................................................................	28

7

Setup...............................................................................................................	29
■ Flow of Setup ........................................................................................................................	29
■ Installing the Printer............................................................................................................	30
Important Notes on Horizontal Installation...........................................................................................................	30
Important Notes on Wall Hanging ............................................................................................................................	30
■ Adjusting the Paper Roll Near-End Sensor......................................................................	31
■ Connecting the AC adapter................................................................................................	32
Connecting the AC adapter .........................................................................................................................................	32
■ Connecting the Printer to the Host...................................................................................	33
USB Interface.....................................................................................................................................................................	33
Ethernet Interface............................................................................................................................................................	33
Wireless LAN Interface ...................................................................................................................................................	34
Serial Interface..................................................................................................................................................................	36
Parallel Interface ..............................................................................................................................................................	37
■ Connecting the Cash Drawer .............................................................................................	38
Connecting the drawer kick cable.............................................................................................................................	39
■ Setting the Built-in Buzzer
(for Model with a Built-in Buzzer)40
■ Connecting the Optional External Buzzer.......................................................................	41
Attachment Position.......................................................................................................................................................	41
■ Connecting the Optional Wireless LAN Unit ...................................................................	42
■ Connecting the Optional Customer Display ...................................................................	42
■ Attaching the Connector Cover.........................................................................................	43
■ Arranging the Cables...........................................................................................................	45
■ Attaching the Power Switch Cover ...................................................................................	47
■ Changing the Paper Width .................................................................................................	48
■ RTC Settings ..........................................................................................................................	49
Advanced Usage............................................................................................	51
■ Setting the DIP Switches.....................................................................................................	51
Setting Procedure............................................................................................................................................................	51
When a Serial Interface is Connected.......................................................................................................................	52
When Another Interface is Connected ....................................................................................................................	54
Selecting the Print Density (DIP Switches 2-3/2-4)..............................................................................................	55
Selecting the BUSY Status ............................................................................................................................................	55
■ Software Settings.................................................................................................................	56
Functions ............................................................................................................................................................................	58
■ Setting/Checking Modes ....................................................................................................	65
Self-test Mode...................................................................................................................................................................	67

8

NV Graphics Information Print Mode........................................................................................................................	67
Receipt Enhancement Information Print Mode ....................................................................................................	68
Software Setting Mode ..................................................................................................................................................	69
Restore Default Values Mode.......................................................................................................................................	71
Interface Setup Mode.....................................................................................................................................................	72
TM-Intelligent Settings Information Print Mode ..................................................................................................	72
Peripheral Device Information Print Mode .............................................................................................................	73
Hexadecimal Dumping Mode .....................................................................................................................................	74
■ Printing a Status Sheet........................................................................................................	75
■ Resetting the Interface Settings .......................................................................................	77
■ TM-Intelligent Function ......................................................................................................	78
Server direct print ............................................................................................................................................................	78
Web server..........................................................................................................................................................................	78
Spooler and Print Forwarding .....................................................................................................................................	79
Application Development Information.......................................................	81
■ Controlling the Printer ........................................................................................................	81
ePOS-Print XML.................................................................................................................................................................	81
ePOS-Device XML.............................................................................................................................................................	81
ESC/POS...............................................................................................................................................................................	81
■ Controlling the Cash Drawer..............................................................................................	83
■ Controlling the Built-in Buzzer ..........................................................................................	84
■ Controlling the Optional External Buzzer .......................................................................	85
■ Software.................................................................................................................................	86
Development Kits ............................................................................................................................................................	86
Drivers ..................................................................................................................................................................................	87
Utilities .................................................................................................................................................................................	87
Others...................................................................................................................................................................................	88
Download ...........................................................................................................................................................................	88
■ Notes on Printing Barcodes and Two-dimensional Symbols.......................................	89
Handling .........................................................................................................	91
■ Installing and Replacing Roll Paper..................................................................................	91
■ Removing Jammed Paper ..................................................................................................	94
■ If Roll Paper Cover does not Open ....................................................................................	96
■ Cleaning the Printer.............................................................................................................	97
Cleaning the Printer Case..............................................................................................................................................	97
Cleaning the Thermal Head/Platen Roller...............................................................................................................	97
■ Preparing for Transport.......................................................................................................	98

9

Replacement of the TM-T88V.......................................................................	99
■ Compatibility ........................................................................................................................	99
Printing................................................................................................................................................................................	99
Print Density ......................................................................................................................................................................	99
Number of Head Energizing Parts .............................................................................................................................	99
Printable Area (for 80 mm Width Paper)..................................................................................................................	99
Cutting Method................................................................................................................................................................	99
Manual Paper Feed .........................................................................................................................................................	99
Receive Buffer .................................................................................................................................................................	100
Memory Capacity ..........................................................................................................................................................	100
Electrical Characteristics .............................................................................................................................................	100
DIP Switches ....................................................................................................................................................................	100
Printer Status...................................................................................................................................................................	100
Logo Registration ..........................................................................................................................................................	100
Driver Compatibility .....................................................................................................................................................	100
USB Low Power Consumption Mode .....................................................................................................................	100
Maintenance Counter ..................................................................................................................................................	101
Buzzer ................................................................................................................................................................................	101
Overall Dimensions.......................................................................................................................................................	102
■ Additional Functions and Functional Improvements .................................................	103
Print Speed.......................................................................................................................................................................	103
Interface............................................................................................................................................................................	103
SimpleAP Function........................................................................................................................................................	103
NFC......................................................................................................................................................................................	103
Epson TM Utility for iOS/Android.............................................................................................................................	103
Software Settings ..........................................................................................................................................................	104
TM-Intelligent function ...............................................................................................................................................	104
Appendix ......................................................................................................	105
■ Product Specifications ......................................................................................................	105
Printing Specifications.................................................................................................................................................	106
Character Specifications..............................................................................................................................................	107
Printable Area..................................................................................................................................................................	108
Printing and Cutting Positions..................................................................................................................................	110
Paper Specifications .....................................................................................................................................................	111
Electrical Characteristics .............................................................................................................................................	112
Environmental Conditions .........................................................................................................................................	113
External Dimensions and Mass.................................................................................................................................	114
Network Printer ..............................................................................................................................................................	116
■ Specifications of Interfaces and Connectors ................................................................	117
USB Interface...................................................................................................................................................................	117
Network Interface..........................................................................................................................................................	118
RS-232 Serial Interface.................................................................................................................................................	121
IEEE 1284 Parallel Interface ........................................................................................................................................	124
NFC Tag..............................................................................................................................................................................	126

10

■ Character Code Tables.......................................................................................................	127
■ Compatibility with USB Type-A .......................................................................................	128

11

12

Chapter 1 Product Overview

Product Overview

This chapter describes features of the product.

Features

Printing

• High speed printing (250 mm/s maximum).

• Shifting from 80 mm width paper printing to 58 mm width paper printing is available. 1

• Multi-tone graphic printing.

Handling

• Easy drop-in paper loading

Software

•TM-Intelligent function is equipped.

•Supports Server Direct Print that sends a request for print data from the product to the Web server at regular intervals.

•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.

•Equipped with Web server that supports the scripting language "PHP" and database "SQLite3".

•Command protocol is based on the ESC/POS Proprietary Command System.

•OPOS ADK, OPOS ADK for .NET, JavaPOS ADK, and Windows printer drivers are available.

•In addition to supporting several kinds of bar code printing, GS1 DataBar printing and two-dimensional symbol (PDF417, QR code, MaxiCode, Composite Symbology) printing are possible.

•A maintenance counter function is supported.

•Various utility software are available.

•A utility for iOS/AndroidTM (Epson TM Utility for iOS/Android) for making printer settings is also provided.

Environment

• Paper saving function is available.

Functions

•NFC tag built into the printer unit for printing to a touched printer.

•Printing triggered by bar code scan by smart device camera.

•Supports printing using multiple interfaces.

13

• Enables HTTPS communication.

Others

•Various interface models are available.

•Optional Wireless LAN cable set, customer display, external buzzer, and interface boards are available.

•Optional wall hanging bracket is available to attach the printer to a wall.

•The TM-T88VI Software & Documents Disc containing drivers, utility, and manuals is available. * It may not be supplied depending on the model.

14

Chapter 1 Product Overview

Product Configurations

Models

•Standard model: Ethernet interface, built-in USB interface , serial interface

•Parallel model: Ethernet interface, built-in USB interface , parallel interface

•Wi-Fi® model: Ethernet interface, built-in USB interface , Wireless LAN interface

Never use interface board with a buzzer function on this product.

	Otherwise, the printer or the interface board may be damaged.
CAUTION	The name of interface boards with a buzzer function has “A” at the end.	1
	Example) UB-E**A, UB-R**A (*: alphanumeric character)

Accessories

Included

•Roll paper (for operation check)

•Power switch cover

•Connector cover

•Bottom cover for Connector cover

•Roll paper guide*

•Screws

•TM-T88VI Software & Documents Disc (drivers, utilities, and documentation)

•AC adapter

•Setup Guide

* May not be included depending on the model.

Options

•AC adapter

•AC cable

•Wall hanging bracket (Model: WH-10)

•Interface boards (UB series)*

•Optional external buzzer (Model: OT-BZ20)

•Wireless LAN cable set (Model: OT-WL02/OT-WL06)

•Customer display (Model: DM-D30, DM-D70, DM-D110, DM-D210) * UB-E**A and UB-R**A cannot be used.

15

	Part Names and Functions
	1
	2
		10
	3	9
	4	8
		7
	5	11
	6

.

1	NFC Tag	A mark is printed here to indicate the position of the NFC tag. To establish communication
		with an NFC device, bring the device close to this mark. For details on functions that use the
		NFC tag, refer to "Useful Functions for Smart Devices" on page 27.

•There is no data rewriting function.

•Use Epson ePOS SDK to build this function into your application.

2	Roll paper cover	Open this cover to install/replace the roll paper.
3	Manual cutter	Use this cutter when you cut the roll paper manually.
4	Cutter cover	Open this cover to unlock the autocutter blade when the roll paper cover does not open due
		to a paper jam.
5	Power switch	Turns the printer on or off.
6	Power switch cover	Install the power switch cover onto the printer to prevent inadvertent changing of the
		power switch, to prevent tampering, and to improve the appearance of the printer.
		To operate the power switch, insert an object with a pointed tip such as a ballpoint pen into
		the hole on the power switch cover.
		For attaching the power switch cover, refer "Attaching the Power Switch Cover" on page 47.
7	Connector cover	Use the printer with this cover attached to protect cables.
8	Cover open button	Use this button to open the roll paper cover.
9	Feed button	Pressing this button once feeds roll paper for one line. Hold down this button to continue
		feeding roll paper.
10	Control Panel	For details on LED, see "Control Panel" on page 17.
11	Dip switch cover	Open the cover to view the dip switches for communication settings.

When turning off the printer without using the power switch, it is recommended to send a

power-off command to the printer. If you use the power-off sequence, the latest maintenance counter values are saved. (Maintenance counter values are usually saved every two minutes.)

For information about ESC/POS commands, see the ESC/POS Command Reference.

16

Chapter 1 Product Overview

Control Panel

Power LED

•Lights when the power supply is on.

•Off when the power supply is off.

•Flashes during the network to start up, when waiting for power off, or updating firmware.

		Do not turn on by using the power switch while waiting for the power to turn off (when the Power
		LED is flashing). Otherwise, it may not startup correctly.
				1
	Error LED

•Lights or flashes when an error occurs. (For information about the flashing patterns, see "Status and Errors" on page 21.)

•Lights after the power is turned on or after a reset (offline). Automatically goes out after a while to indicate that the printer is ready.

•Off when the printer is in standard mode (online).

Paper LED

•Lights when the roll paper is out.

•Flashes to urge user to operate the Feed button.

17

Connectors

All connectors are located on the lower rear of the printer.

• The installed interface varies depending on the model.

• Do not insert a Type-B USB connector into the LAN connector or the drawer kick connector. If it is inserted, the connector, printer, and the system may malfunction.

•If using the drawer kick connector and a serial/parallel connector simultaneously, we recommend using either of the cables below to prevent the cables from interfering with one another.

* Flat-type drawer kick cable

* Serial/parallel cable with a connector (from the tip to the screw) that is within 34 mm {1.34"}.

Within 34 mm {1.34"}

1

3

4

	2	5	6	7
1	Drawer kick connector	Connects the cash drawer or the optional external buzzer.
		See "Connecting the Cash Drawer" on page 38, and "Connecting the Optional External
		Buzzer" on page 41.
2	Ethernet connector	Connects the 10BASE-T/100BASE-TX ethernet cable.
3	Serial interface	Connects the serial cable for connecting to a computer.
4	Parallel interface	Connects the parallel cable for connecting to a computer.
5	Power supply connector	Connect the AC adapter.
		See "Connecting the AC adapter" on page 32.

18

			Chapter 1 Product Overview
	6	USB connector	Use only for connecting optional Wireless LAN unit and customer display.*
			CAUTION:
			It may be hard to disconnect some types of USB cable. Do not forcibly pull the cable, or
			the USB connector and USB cable may be damaged. Contact qualified service personnel
			if you encounter the trouble.
	7	USB connector	Connects the USB cable for connecting to a computer.
		(Type B)	See "Connecting the Printer to the Host" on page 33.

*: If the firmware version is 43.50 ESC/POS or later, a barcode scanner can also be connected. See the detailed information on "Compatibility with USB Type-A" on page 128.

1

19

Online and Offline

Online

The printer is online and ready for normal printing unless there is a reason to go offline.

Offline

The printer automatically goes offline under the following conditions:

•While the printer power is turning on/off

•While a self-test is running

•While roll paper is fed using the Feed button

•When the printer stops printing due to a paper end (when the paper out detector detected the paper out)

•During an operation standby state

•When an error has occurred (See "Status and Errors" on page 21)

•While the roll paper cover is open

20

Chapter 1 Product Overview

Status and Errors

Error Status

There are three possible error types: automatically recoverable errors, recoverable errors, and unrecoverable errors.

Automatically Recoverable Errors

Printing is no longer possible when automatically recoverable errors occur. They can be recovered easily, as

1

described below.

Error

Error description

Error LED flash code

Recovery measure

Roll paper

The roll paper cover was

LED ON

Recovers automatically

cover open

opened during printing.

LED OFF

when the roll paper cover is

error

Approx. 320 ms

closed.

Print head

A high temperature

LED ON

Recovers automatically

temperature

outside the head drive

LED OFF

when the print head cools.

error

operating range was

Approx. 320 ms

detected.

TM-Intelligent

Cannot connect to the

Error LED OFF

Recovers automatically

function error

server.

Power LED ON

when the printer settings

LED OFF

are corrected.

Approx. 160 ms

Approx. 5120 ms

(see "TM-Intelligent

Function" on page 78)

Recoverable Errors

Printing is no longer possible when recoverable errors occur. They can be recovered easily by turning the power on again or sending an error recovery command from the driver after eliminating the cause of the error.

Error	Error description	Error LED flash code									Recovery measure
Autocutter	Autocutter does not work	LED ON									Remove the jammed paper
error	correctly.	LED OFF									or foreign matter in the
		Approx. 320 ms									printer, close the roll paper
								Approx. 5120 ms			cover, send the error
											recovery command, or turn
											the power on to recover.

The error recovery command is valid only if a recoverable error (excluding automatically recoverable errors) occurs.

21

Unrecoverable Errors

Printing is no longer possible when unrecoverable errors occur. If the error persists after turning the printer off and then on again, the printer may be defective. Contact qualified service personnel..

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

LED ON

correctly.

LED OFF

Approx. 320 ms

High voltage error

The power supply voltage is extremely high.

LED ON

LED OFF

Approx. 320 ms

Low voltage error

The power supply voltage is extremely low.

LED ON

LED OFF

Approx. 320 ms

CPU execution error

The CPU is executing an incorrect address.

LED ON

LED OFF

Approx. 320 ms

Internal circuit

Internal circuits are not connected correctly.

LED ON

connection error

LED OFF

Approx. 320 ms

Approx. 5120 ms

Communication unit

An error has occurred in the communication unit.

LED ON

error

LED OFF

Approx. 320 ms

Status Display

	Power LED	Error LED	Paper LED
Online	ON	OFF	OFF
Initializing after restarting	ON	ON	-
Running a self-test	ON	OFF	-
Waiting to continue self-test	ON	OFF	Flashing
Feeding using the Feed button	ON	OFF	-
Waiting to execute a macro	ON	OFF	Flashing
Roll paper cover open during error printing	ON	ON	-
No paper	ON	ON	ON

22

Chapter 1 Product Overview

	Power LED	Error LED	Paper LED
Paper near end	ON	OFF	ON
While updating firmware	Flashing	OFF	OFF
Power off standing by	Flashing	OFF	OFF
Waiting to print status sheet	ON	ON	Flashing

-: Changes depending on whether or not paper is detected.

1

23

NV Memory

The printer's NV memory (Non-Volatile Memory) stores data even after the printer power is turned off. NV memory contains the following memory areas for the user:

•NV graphics memory

•User NV memory

•Memory switches

•R/E (Receipt Enhancement)

•Maintenance counter

•Web contents

NV memory can be rewritten about 100,000 times. As a guide, NV memory rewriting should be 10 times or less a day when you program applications.

CAUTION

NV Graphics Memory

Graphics, such as shop logos to be printed on receipts, can be stored. Even with a serial interface model whose communication speed is low, high speed graphics printing is possible.

To register your graphics data, use TM-T88VI Utility or ESC/POS commands.

You can check registered graphics data using TM-T88VI Utility or by printing the data in the NV graphics information print mode.

User NV Memory

You can store and read text data for multiple purposes, such as for storing a note including customizing or maintenance information of the printer.

Memory Switches

With the memory switches, which are software switches for the printer, you can configure various settings of the printer. For information about the memory switch, see "Software Settings" on page 56.

R/E (Receipt Enhancement)

You can set the graphics data, such as a shop logo, registered in the NV graphics memory to be printed on the top of each receipt or to be printed on the bottom of each receipt just before the paper is cut.

To make the settings, use TM-T88VI Utility or ESC/POS commands.

You can check the settings using TM-T88VI Utility or by printing the settings information in the Receipt enhancement information print mode.

24

Chapter 1 Product Overview

Maintenance Counter

With this function, printer information, such as the number of lines printed, the number of autocuts, and printer operation time after the printer starts working, is automatically stored in NV memory.

• You can also check the head running length and number of times of autocutting with the self-test (see "Self-test Mode" on page 67).

•The maintenance counter values are automatically saved in the NV memory usually every two minutes (up to four minutes). However, the values are not saved when the printer is in power-saving mode or when it is turned off without the use of the power switch.

Web contents

1

The region for Web servers.

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Simple Setup for Wireless LAN

This printer comes with a mode (SimpleAP) that allows printers to connect with a smart device or a computer without requiring a wireless access point. This allows you to easily setup a wireless LAN for the printer by using a printer settings tool (Epson TM Utility for iOS/Android or EpsonNet Config) even without a network environment such as access points.

SimpleAP mode is enabled by default when shipping from the factory. When SimpleAP mode is enabled and the printer is turned on, the following information is printed automatically.

SimpleAP Start
SSID	: EPSON_Printer
Encryption Type	: WPA-2-PSK
Passphrase	: 12345678
IP Address	: 192.168.192.168
MAC Address	: xx-xx-xx-xx-xx-xx

Although operations are performed in SimpleAP mode during the initial startup, operations switch to standard mode (infrastructure mode) when changing settings in Epson TM-T88VI Utility for Windows or EpsonNet Config. After switching, operations continue in standard mode. If you want to make settings in SimpleAP mode again, initialize the communication settings. (see "Resetting the Interface Settings" on page 77)

Changing to standard mode

Ex.) Change IP address,

		change SSID
SimpleAP mode				Standard mode
				(infrastructure
(default setting)
				mode)
	Initialize the communication
	settings

* You can also set this to standard mode (Ad-Hoc mode) except for the OT-WL06.

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Chapter 1 Product Overview

Useful Functions for Smart Devices

You can easily connect this product to the network by using the NFC tag built-in to the printer or the QR code printed on the status sheet.

NFC Tag

Bring a smart device that supports NFC close to the NFC tag to acquire the printer information (information for specifying the device).

Specify the target printer using the acquired information to connect to the network.

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QR Code

Capture the QR code printed on the status sheet with the camera on your smart device to acquire the printer information (information for specifying the device).

Specify the target printer using the acquired information to connect to the network.

• Programming using Epson ePOS SDK is required to use these functions. These functions are created by combining NFC touch and QR code capturing operations and the target printer specifications using Printer Easy Select API.

See the "Epson ePOS SDK for Android/iOS User's Manual" and the Epson ePOS SDK sample program for more details. The sample program also contains a sample implementation method for reading an NFC tag and capturing a QR code.

• You can try a demo of these functions by using Epson TM Utility for iOS/Android.

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Printing Using Multiple Interfaces

In printers with multiple interfaces, you can use all interfaces without any limitations on which interface is to be used. You can use this function to temporarily connect a smart device to a nearby printer and print.

The printer provides each interface with an independent receive buffer and switches the active interface depending on the priority, while handling data in each receive buffer.

You can set one interface for the main connection. Data received from the main connection interface is handled with the highest priority.

By default, the interface that receives the first data transfer is set as the main connection interface; however, you can select the main connection interface in advance.

In the status where all receive buffers are empty for more than the set time (1 second by default), interface switching is enabled. The interface that receives the data in this status becomes active.

• You cannot use wired and wireless LANs at the same time. When a LAN cable is connected, wireless LAN is disabled.

•When not using Bluetooth, set the Bluetooth security level to Middle or High in order to prevent third parties from unauthorized pairing.

You can change the security level with Epson TM Utility, TM-T88VI Utility, or the Interface Setup mode.

You can select the main connection interface and set the time to enable interface switching from the software settings. For details on software settings, see "Software Settings" on page 56.

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Chapter 2 Setup

Setup

This chapter describes setup and installation of the product and peripherals.

Flow of Setup

This chapter consists of the following sections along with the setup flow of the product and peripherals.

1.Installing the Printer (page 30)

2.Adjusting the Paper Roll Near-End Sensor (page 31)

3. Connecting the AC adapter (page 32)				2

4.Connecting the Printer to the Host (page 33)

5.Connecting the Cash Drawer (page 38)

6.Setting the Built-in Buzzer (for Model with a Built-in Buzzer) (page 40)

7.Connecting the Optional External Buzzer (page 41)

8.Attaching the Connector Cover (page 43)

9.Arranging the Cables (page 45)

10.Attaching the Power Switch Cover (page 47)

11.Changing the Paper Width (page 48)

12.RTC Settings (page 49)

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Installing the Printer

You can install this printer horizontally. With an optional hanging bracket (WH-10), you can also attach the printer to a wall.

Important Notes on Horizontal Installation

•The printer must be installed horizontally on a flat surface (not tilted).

•Do not place the printer in dusty locations.

•Do not catch cables or place foreign matter under the printer.

Important Notes on Wall Hanging

You need to perform the following tasks to install the printer on a wall. For more details, see the installation manual for the optional wall hanging bracket (WH-10).

•Installing the roll-paper stoppers

•Changing the location of the roll paper near-end sensor

•Attaching the connector cover

•Attaching the wall hanging bracket (WH-10)

For the other notes, see the installation manual for the optional wall hanging bracket (WH-10).

• Be sure to attach the connector cover when you install the printer on a wall using the wall hanging bracket.

•When installing on a wall using a wall mounting bracket, the status of the wireless signal for the wireless LAN unit may decline. In this situation, use an extension cable.

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