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TM-T88II/T88III Technical Reference Guide 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, recabling, 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 and ESC/POS are registered trademarks of Seiko Epson Corporation. ESC/POS" Command System EPSON has been taking industry's initiatives with its own POS printer command system (ESC/POS). ESC/POS has a large number of commands including patented ones. Its high scalability enables users to build versatile POS systems. The system is compatible with all types of EPSON POS printers and displays. Moreover, its flexibility make it easy to upgrade in the future. The functionality and the user-friendliness is valued from around the world. Revision History Rev. Rev. A Page All pages Details of Change Newly authorized Rev. A i

Section	Page
TM-T88II/T88III	1
Revision History	3
For Safety	4
Key to Symbols	4
Warnings	5
Cautions	5
Modular Connectors	6
About this Manual	7
Aim of the Manual	7
Manual Content	7
Related Software and Documents	7
Contents	9
Chapter 1	13
Product Overview	13
1.1 Product Structure	13
1.1.1 Model	13
1.1.2 Accessories	13
1.1.3 Options	13
1.1.4 Consumable products	14
1.1.5 TM-T88II/TM-88III Comparison Table	14
1.2 Part Names and Basic Operation	15
1.2.1 Part Names	15
1.2.2 Control Panel	15
1.2.2.1 LED	16
1.2.2.2 Buttons	16
1.2.3 Power Switch	16
1.2.4 Connectors	17
1.3 Handling the Printer	17
1.3.1 Selecting Paper Width	17
1.3.2 Installing and Replacing Roll Paper	18
1.3.2.1 Installing Roll Paper	18
1.3.2.2 Replacing Paper	19
1.3.3 Power Switch Cover	19
1.3.4 Shipping Procedures	20
Chapter 2	21
Setup	21
2.1 Installing the Printer	22
2.1.1 Precautions for Horizontal Installation	22
2.1.2 Precautions for Wall Installation	22
2.2 Setting the DIP Switches	22
2.2.1 DIP Switch Positions and Steps for Changing DIP Switch Settings	22
2.2.2 DIP Switch Functions	23
2.2.2.1 DIP switch settings for serial interface specifications	23
2.2.2.2 DIP switch settings for other interface specifications	25
2.3 Adjusting the Roll Paper Near-End Detector	27
2.4 Connecting the Printer to the Host Computer	28
2.4.1 Serial Interface Connection	28
2.4.1.1 Cross cable wiring diagrams	28
2.4.1.2 Serial interface connection diagrams	28
2.4.1.3 Connecting the serial interface (RS-232) cable	30
2.4.2 Parallel Interface Connection	31
2.4.2.1 Parallel interface connection diagram	31
2.4.2.2 Connecting the parallel interface cable	31
2.4.3 USB Interface Connection	31
2.4.3.1 USB Interface Connection Diagram	32
2.4.3.2 Connecting the USB interface cable	32
2.4.4 Ethernet Interface Connection	33
2.4.4.1 Ethernet Interface Connection Diagram	33
2.4.4.2 Connecting the Ethernet Interface Cable	34
2.5 Connecting Power Supply Unit and Cash Drawer	35
2.5.1 Connecting the Power Supply Unit	35
2.5.2 Connecting the Drawer Kick-out Cable	36
2.6 Installing the Driver	36
Chapter 3	37
Application Development Information	37
3.1 Introducing the Control Methods	37
3.1.1 Windows Driver (EPSON Advanced Printer Driver)	37
3.1.1.1 EPSON Advanced Printer Driver overview	37
3.1.1.2 EPSON Advanced Printer Driver contents	38
3.1.1.3 EPSON Advanced Printer Driver support environment	38
3.1.1.4 Driver information and download destination	39
3.1.2 EPSON OPOS ADK	39
3.1.2.1 EPSON OPOS ADK (OPOS Control) overview	40
3.1.2.2 EPSON OPOS ADK contents	40
3.1.2.3 EPSON OPOS ADK support environment	41
3.1.2.4 Driver information and download destination	41
3.1.3 ESC/POS Commands	41
3.1.4 Various Utilities	42
3.1.4.1 IP address setup utility for UB-E02	42
3.1.4.2 Electronic logo storage utility for NVRAM	42
3.1.4.3 USB interface ID code rewrite utility	42
3.2 Switches and Buttons	42
3.2.1 Paper FEED Button	42
3.3 Panel LEDs and Error Status	43
3.3.1 Power LED	43
3.3.2 No Roll Paper (PAPER OUT) LED	43
3.3.3 Error LED	43
3.3.3.1 Error Codes	44
3.4 Sensors	46
3.4.1 Paper Sensors	46
3.4.1.1 Roll paper near-end sensor	46
3.4.1.2 Roll Paper End Sensor	46
3.4.2 Printer Cover Sensor	46
3.4.2.1 Roll Paper Cover Open Sensor	46
3.4.3 Offline	47
3.4.4 Busy State	47
3.4.4.1 Selecting conditions for invoking a BUSY state	47
3.5 NVRAM (Non-volatile Memory)	48
3.6 Bar Code Printing	48
3.7 Operating Mode (Switch Panel Operation)	49
3.7.1 Self-test Mode	49
3.8 FAQ List	50
3.8.1 Q: Why has my print data dropped out?	50
3.8.1.1 Corrective procedure	50
3.8.2 Q: Why does the drawer kick-out not operate properly?	51
3.8.3 Q: I cannot print part of Page 0 in Visual Basic. Why?	51
Chapter 4	53
ESC/POS Command-related Information	53
4.1 NV Memory (Non-volatile Memory)	53
4.1.1 Using NV Memory	53
4.2 Printer Status	54
4.3 Precautions When the Printer Is Offline	54
4.4 Outputting Hex Dumps	54
Chapter 5	55
Product Specifications	55
5.1 Product Specifications (TM-T88II/TM-T88III)	55
5.2 Print Specifications (TM-T88II/TM-T88III)	56
5.3 Character Specifications (TM-T88II/TM-T88III)	57
5.4 Paper Specifications (TM-T88II/TM-T88III)	57
5.5 Printable Area (TM-T88II/TM-T88III)	58
5.6 Print Position versus Cutter Position (TM-88II/TM88III)	59
5.7 Overview of External Dimensions (TM-T88II/TM-T88III)	60
5.7.1 External Dimensions	60
5.8 Operating Specifications (TM-T88II/TM-T88III)	61
Appendix A	63
Interfaces and Connectors	63
A.1 RS-232 Serial Interface	63
A.1.1 Interface Board Specifications (RS-232-compliant)	63
A.1.2 Functions of each Connector Pin	64
A.1.3 XON/XOFF	64
A.1.4 Code	65
A.2 IEEE 1284 Parallel Interface	65
A.2.1 Modes	65
Compatibility mode	65
Reverse mode	66
A.2.2 Interface Signals	67
Appendix B	69
Options and Consumables	69
B.1 Roll Paper	69
B.2 Power Supply	69
B.2.1 PS-170 (Legacy Model no Longer Available from the Dealer)	69
B.2.1.1 Electrical characteristics	69
B.2.1.2 Case specifications	69
B.2.1.3 Material	70
B.2.1.4 AC cable selection	70
B.2.2 PS-180 (Current Product for Printers)	70
B.2.2.1 Electrical characteristics	70
B.2.2.2 Case specifications	71
B.2.2.3 Material	71
B.2.2.4 AC cable selection	71
Appendix C	73
Character Code Tables	73
C.1 Page 0 (PC437: USA, Standard Europe)	73
C.2 Page 1 (Katakana)	74
C.3 Page 2 (PC850: Multilingual)	75
C.4 Page 3 (PC860: Portuguese)	76
C.5 Page 4 (PC863: Canadian-French)	77
C.6 Page 5 (PC865: Nordic)	78
C.7 Page 16 (WPC1252) (TM-T88III only)	79
C.8 Page 17 (PC866: Cyrillic #2) (TM-T88III only)	80
C.9 Page 18 (PC852: Latin2) (TM-T88III only)	81
C.10 Page 19 (PC858: Euro)	82
C.11 Page 255 (Blank Page)	83
C.12 International Character Set	84
Appendix D	85

Match case Limit results 1 per page

Rev. A

TM-T88II/T88III Technical Reference Guide

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, recabling, 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



and ESC/POS



are registered trademarks of Seiko Epson Corporation.

ESC/POS

“

Command System

EPSON has been taking industry's initiatives with its own POS printer command system (ESC/POS). ESC/POS has a

large number of commands including patented ones. Its high scalability enables users to build versatile POS systems.

The system is compatible with all types of EPSON POS printers and displays. Moreover, its flexibility make it easy to

upgrade in the future. The functionality and the user-friendliness is valued from around the world.

Revision History

Rev.

Page

Details of Change

Rev. A

All pages

Newly authorized