Describes features and general specifications for the product.
Setup
Describes setup and installation of the product and peripherals.
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-T88III
Describes precautions for the replacement.
Appendix
Describes interfaces, connectors, and character code tables.
M00019000
Rev. A
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 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 in Japan and other
countries/regions.
Microsoft and Windows are registered trademarks of Microsoft 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 (excluding
the TM-C100) and displays. Moreover, its flexibility makes it easy to upgrade the future. The functionality
and the user-friendliness is valued around the world.
2
Revision History
RevisionpageDetails of change
Rev. AAll pagesNewly authorized
3
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.
4
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 severe 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 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.
5
Cautions
• Do not connect cables in ways other than those mentioned in this manual.
Different connections may cause equipment damage or fire.
CAUTION
• 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.
• To avoid injury, do not insert fingers or any part of the hand in the roll paper
opening where the manual cutter is installed.
• 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.
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
product only after giving considerationto including fail-safes and redundancies into your
designto maintain safety and total system reliability. B ec a use 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 f
ull evaluation.
devices etc., you should use this
6
About this Manual
Aim of the Manual
This manual was created to provide information on development, design, and installation of
POS systems and development and design of printer applications for developers.
Manual Content
The manual is made up of the following sections:
Chapter 1
Chapter 2
Chapter 3
Chapter 4
Chapter 5
Appendix
Product Overview
Setup
Application Development Information
Handling
Replacement of the TM-T88III
Specifications of Interface and Connector
Character Code Tables
■ For Safety .............................................................................................................................. 4
Key to Symbols........................................................................................................................................4
Paper Width ..........................................................................................................................................14
Color ......................................................................................................................................................14
■ Parts Name and Function.................................................................................................. 16
Power Switch .........................................................................................................................................16
Power Switch Cover .............................................................................................................................17
Control Panel ........................................................................................................................................17
Page Mode Area .................................................................................................................................82
Transmission Speed (For Serial Interface)...........................................................................................82
Customized Value ................................................................................................................................83
USB Interface......................................................................................................................................... 83
USB Low Power Consumption Mode ..................................................................................................83
International Character Sets .............................................................................................................. 99
11
12
Product Overview
This chapter describes features and specifications of the product.
Features
Printing
•Issuing of batch receipts is possible. (200 mm/s maximum)
•Graphics are also printed with high-speed printing.
Chapter 1 Product Overview
•Two-color printing is possible onthe two-color thermal paper.
Handling
•Easy drop-in paper loading
Software
•Command protocol is based on the ESC/POS® Proprietary Command System.
•OPOS ADK and Windows® printer driver are available.
•In addition to supporting several kinds of bar code printing, two-dimensional code (PDF417,
QR code) printing is possible.
•Various layouts are possible by using page mode.
•A maintenance counter functionis supported.
Interface
Var ious interface boards (EPSON UB series) can be used.
1
13
Product Configuration
Interface
•Serial interface model (RS-232C)
• Parallel interface model (IEEE1284)
•USB interface model (full-speed)
Paper Width
• 58 mm paper width model
• 80 mm paper width model
Buzzer
•Model with the buzzer function
•Model without the buzzer function
Color
•ECW (Epson Cool White)
•EDG (Epson Dark Gray)
Accessories
Attachments
• Roll paper (for operation check)
• User’s Manual
•Power switch cover
•Connector cover
•Locking wire saddle (for USB interface model)
•External power supply (Model: PS-180) (for the model with the power supply unit)
14
Options
•External power supply (Model: PS-180)
•AC cable for the PS-180.
•Power supply box (Model: BX88W/OT-BX88B)
•Affixing tapes for fixing the printer (Model: DF-10)
• Wall hanging bracket (Model: WH-10)
•Interface boards (UB series)
The UB-E02A and UB-R03A cannot be used.
Chapter 1 Product Overview
1
15
Parts Name and Function
Cutter cover
Power switch cover
Power switch
Roll paper cover
Control panel
Connector
cover
Cover open button
Power Switch
Turns the printer on or off. The marks on the switch: (/)
Before turning on the printer, be sure to check that the AC adapter is connected to
the power supply.
CAUTION
Before turning the printer off, 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 detailed information about ESC/POS commands, see the ESC/POS Application
Programing Guide.
16
Chapter 1 Product Overview
Power Switch Cover
Install the power switch cover that comes with the TM-T88IV onto the printer to prevent
inadvertent changing of the power switch, to prevent tampering, and to improve the appearance
of the printer.
To res e t the printer when the power switch cover is installed, insert a long, thin object (such as
the end of a paper clip)
WARNING
into the hole in the power switch cover and press the power switch.
If an accident occurs with the power switch cover attached, unplug the power cord
immediately.
Continued use may cause fire or shock.
Control Panel
LED
POWER LED (green)
•Lights whenthe power supply is on.
•Goes out when the power supply is turned off.
1
(POWER) LED
ERROR LED
PAPE R OU T LE D
FEED button
ERROR LED
Lights or flashes whenthe printer is offline.
•Lights after the power is turned on or after a reset (offline). Automatically goes out after a
while to indicate thatthe printer is ready.
•Lights whenthe end of the roll paper is detected, and when printing has stopped (offline). If
s happens, replace the roll paper.
thi
•Flashes when an error occurs. (For details about the flash codes, see "Error Status" on page 19.)
•Goes out during regular operation (online).
17
PAPER OUT LED
•Lights whenthere is no more roll paper or there is little remaining.
•Off when there is a sufficient amount of roll paper remaining.
•Flashes when a self-test is in progress.
FEED button
Pressingthis button once feeds the roll paper by one line. Holdingthis button down feeds the
roll paper continuously.
Connectors
All cables are connected to the connector panel on the lower rear of the printer.
FG
Interface connector
FG
Drawer kick-out connector
DK
DC24V
Power supply connector
• Drawer kick-out connector:Connects the cash drawer.
•Power supply connector:Connects the power supply unit
•Interface connector:Connects the printer with the host computer interface.
The picture above shows a serial interface model. For details on the various interfaces and
how to connect the power supply connector and cash drawer, see "Connecting the Printer
to the Host Computer" on page 48 and "Connecting the Cash Drawer" on page 57.
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
•While roll paper is fed using the FEED button.
•When the printer stops printing due to a paper-end (if an empt
the roll paper end sensor or if the driver has been setto stop printing when a roll paper near-
end is detected)
•When an error has occurred
18
y paper supply is detected by
Chapter 1 Product Overview
Error Status
There are three possible error types: automatically recoverable errors, recoverable errors, and
unrecoverable errors.
Automatically Recoverable Errors
Printingis no longer possible when automatically recoverable errors occur. They can be
recovered easily, as described below.
Error LED flash code
ErrorError description
Roll paper
cover open
error
The roll paper cover
was opened during
printing.
Approx.
160 ms
Recovery measure
Recovers automatically
when the roll paper
cover is closed.
1
Print head
temperature
error
A high temperature
outside the head drive
operating range was
detected.
Recovers automatically
when the print head
cools.
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
eliminatingthe cause of the error.
Error LED flash code
ErrorError description
Autocutter errorAutocutter does not
work correctly.
Approx.
160 ms
Approx.2.56 s
Recovery measure
Remove the jammed
paper or foreign matter
in the printer, close the
roll paper cover, send
the error recover
command, or turn the
power on to recover.
The error recovery command is valid only if a recoverable error (excluding automatically
recoverable errors) occurs.
19
Unrecoverable Errors
Printingis no longer possible whenunrecoverable errors occur. The printer must be repaired.
Turn off the power immediately when unrecoverable errors occur.
CAUTION
Error LED flash code
ErrorError description
Memory R/W errorAfter R/W checking, the printer does not
work correctly.
High voltage errorThe power supply voltage is extremely
high.
Low voltage errorThe power supply voltage is extremely low.
CPU execution errorThe CPU is executing an incorrect address.
Approx.
160 ms
Internal circuit
connection error
UIB errorAn abnormal operation occurs in UIB.
Internal circuits are not connected
correctly.
Approx.2.56 s
20
Chapter 1 Product Overview
NV Memory (Non-Volatile Memory)
The printer has NV memory which includes the user NV memory and NV graphics memory that
users can use.
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 graphic printing is possible.
Use the TM Flash Logo Setup utility for NVRAM to register graphics.
1
NV Graphics Print Mode
Inthis mode the printer prints the following:
•Capacity of the NV graphics
•Used amount of the NV graphics
•Unused capacity of the NV graphics
•Number of the NV graphics that are registered
• Key code, number of dots in X direction, number of dots in Y direction, number of colors to be
defined.
•NV graphics dat
a
21
Procedure
Open the roll paper cover.
1
While pressing the FEED button, turn the power on.
2
Press the FEED button once.
3
Close the roll paper cover.
4
After instructions are printed, open the roll paper cover.
5
Press the FEED button once.
6
Close the roll paper cover.
7
Turn the power off and on to return to the normal mode.
22
Chapter 1 Product Overview
Product Specifications
Printing methodThermal line printing
Cutting methodPartial cut (cutting with one point in left edge left uncut)
Roll paper width (single-ply)58 mm paper width model: 57.5 ± 0.5 mm (2.26 ± 0.02")
80 mm paper width model: 79.5 ± 0.5 mm (3.13 ± 0.02")
InterfaceSerial (RS232C), Parallel (IEEE1284), USB (Full-speed)
BufferReceive buffer4 KB/45 bytes (selectable using the DIP switch 1-2)
Downloaded buffer12 KB (both for user-defined characters and downloaded images)
NV graphics data256 KB
Barcode/two-dimensional
code printing
DKD Function2 drives
Supplied voltage+ 24 VDC ± 7%
LifeMechanism15,000,000 lines
Thermal head100 million pulses
Autocutter1,5000,000 cuts
UPC-A, UPC-E
JAN 8 (EAN 8), JAN 13 (EAN 13)
CODE 39
ITF
CODABAR (NW-7)
CODE 93
CODE 128
PDF417
QR CODE
Single-color printing: 100 km
Two-color printing: 50 km
1
MTBF360,000 hours
MCBF52,000,000 lines
Temperature/humidityOperating: 5 to 45°C {41 to 113°F}, 10 to 90% RH
Storage: -10 to 50°C {14 to 122°F}, 10 to 90% RH
Overall dimensions148 × 145 × 195 mm {5.83 × 5.71 × 7.68"} (H × W × D)
Weight (mass)Approx. 1.8 kg {3.96 lb} (Roll paper excluded)
23
Printing Specifications
58 mm paper width model80 mm paper width model
Printing methodThermal line printing
Dot density180 × 180 dpi
Printing directionUnidirectional with friction feed (Reverse feed is not
supported.)
Maximum printable width50.8 mm {2.00”}, 360 dots72 mm {2.83”}, 512 dots
Character
per line
Maximum
print speed*
Line spacing4.23 mm {1/6"}
Font A (12 × 24)3042
Font B (9 × 17)4056
Special Font A (12 × 24) 3042
Special Font B (9 × 24)4056
High speed mode200 mm/s
1
Low power
consumption mode
150 mm/s
(Factory setting, programmable by command)
dpi: dots per inch
*1: when the printer prints with the default print density level at 24V and 25°C {77°F}.
• Printing speed may be slower, depending on the such items as the data transmission
speed.
• High speed mode/low power consumption mode can be shifted with a DIP switch
(2-3/2-4).
24
Character Specifications
Number of charactersAlphanumeric characters: 95
Extended graphics: 128 × 1 table
International characters: 1
Thai character (3-pass printing font):
128 characters × 3 pages (133 character types)
Vietnam character: 128 characters × 2 pages (135 character types)
Character structureFont A (Initial setting): 12 × 24
Font B: 9 × 17
Special Font A: 12 × 24
Special Font B: 9 × 24
Character sizeFont AStandard: 1.41 × 3.38 mm
Double-height: 1.41 × 6.76 mm
Double-width: 2.82 × 3.38 mm
Double-width, double-height: 2.82 × 6.76 mm
Chapter 1 Product Overview
1
Font BStandard: 0.99 × 2.40 mm
Double-height: 0.99 × 4.80 mm
Double-width: 1.98 × 2.40 mm
Double-width, double-height: 1.98 × 4.80 mm
Special
Font A
Special
Font B
Standard: 1.41 × 3.38 mm
Double-height: 1.41 × 6.76 mm
Double-width: 2.82 × 3.38 mm
Double-width, double-height: 2.82 × 6.76 mm
Standard: 0.99 × 3.38mm
Double-height: 0.99 × 6.76 mm
Double-width: 1.98 × 3.38 mm
Double-width, double-height: 1.98 × 6.76 mm
Note)
1. Space between characters is not included.
2. Characters can be scaled up to 64 times as large as the standard size.
25
Character structure and size for Thai character
Character structure for Thai character
Thai 3-pass mode (default)Thai 1-pass mode
Font A12 × 7212 × 46
Font B9 × 519 × 35
Special Font A12 × 7212 × 24
Special Font B9 × 729 × 24
Character size for Thai character
Thai 3-pass mode (default)Thai 1-pass mode
Font AStandard: 1.41 × 10.15 mm
Double-height: 1.41 × 20.30 mm
Double-width: 2.82 × 10.15 mm
Double-width, double-height:
2.82 × 20.30 mm
Font BStandard: 0.99 × 7.19 mm
Double-height: 0.99 × 14.38 mm
Double-width: 1.98 × 7.19 mm
Double-width, double-height:
1.98 × 14.38 mm
Special Font AStandard: 1.41 × 10.15 mm
Double-height: 1.41 × 20.30 mm
Double-width: 2.82 × 10.15 mm
Double-width, double-height:
2.82 × 20.30 mm
Special Font BStandard: 0.99 × 10.15mm
Double-height: 0.99 × 20.30 mm
Double-width: 1.98 × 10.15 mm
Double-width, double-height:
1.98 × 20.30 mm
Standard: 1.41 × 6.49 mm
Double-height: 1.41 × 12.98 mm
Double-width: 2.82 × 6.49 mm
Double-width, double-height:
2.82 × 12.38 mm
Standard: 0.99 × 4.93 mm
Double-height: 0.99 × 9.86 mm
Double-width: 1.98 × 4.93 mm
Double-width, double-height:
1.98 × 9.86 mm
Standard: 1.41 × 6.49 mm
Double-height: 1.41 × 12.98 mm
Double-width: 2.82 × 6.49 mm
Double-width, double-height:
2.82 × 12.38 mm
Standard: 0.99 × 4.93mm
Double-height: 0.99 × 9.86 mm
Double-width: 1.98 × 4.93 mm
Double-width, double-height:
1.98 × 9.86 mm
26
Chapter 1 Product Overview
Printable Area
58 mm paper width model
The printable area of a paper with width of 57.5 ± 0.5 mm {2.26 ± 0.02"} is 50.8 ± 0.2 mm {2.00 ±
0.008"} (360 dots), and the space is approximately 3.7 mm{0.15”} on the left side and
approximately 3.0 mm {0.12"} on the right side.
OO]_
OO]_
OO]_
OO]_
1
OO]_
27
80 mm paper width model
The printable area of a paper with width of 79.5 ± 0.5 mm {3.13 ± 0.02"} is 72.2 ± 0.2 mm {2.84 ±
0.008"} (512 dots) and the space on the right and left sides are approximately 3.7 mm {0.15"}.
OO]_
OO]_
OO]_
OO]_OO]_
28
In 2-divided energizing, the print position within the printable area of the thermal elements
for dots 1 to 256 and 257 to 512 is shifted approximately 0.07 mm {0.0028"} as shown in the
figure below in the paper feed direction.
In 4-divided energizing, the print position within the printable area of the thermal elements
for dots 1 to 96, 97 to 240, 241 to 368, and 369 to 512 is shifted approximately 0.04 mm
{0.0016"} as shown in the figure below in the paper feed direction.
Printing and Cutting Positions
Manual-cutter position
Chapter 1 Product Overview
Last line of
a previous receipt
Approx. 29
Autocutter blade position
Center of the print dotline
The values above may vary slightly as a result of paper slack or variations in the paper.
Take the notice into account when setting the cutting position of the autocutter.
Approx. 15
Printable area
[units: mm (All the numeric values are typical.)]
1
Paper feed direction
29
Paper Specifications
Paper typeSpecified thermal paper
FormRoll paper
SizeRoll paper diameter83 mm {3.27"} maximum
Roll paper spoolInside: 12 mm {0.47"}, Outside: 18 mm {0.71"}
Take-up roll paper width58 + 0.5/-10 mm {2.28 + 0.02/-0.04”} (Paper width: 58 mm)