TM-T20III
Table of contents
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Technical Reference Guide
Describes features of the product.
Describes advanced usage methods for the product.
Describes precautions for replacement.
Describes how to handle the product.
Describes setup and installation of the product and
peripherals.
Describes how to control the printer and necessary
information when you develop applications.
Describes general specications and character code tables.
Product Overview
Setup
Advanced Usage
Application Development Information
Handling
Replacement of the TM-T20II
Appendix
M00122200
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 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 and Windows are registered trademarks of Microsoft Corporation in the United States and/or other
countries.
®
Wi-Fi
IOS is a trademark or registered trademark of Cisco in the U.S. and other countries and is used under license.
Android and Google Play are trademarks of Google, Inc.
All other trademarks are the property of their respective owners and used for identification purpose only.
, WPATM, and WPA2TM are either registered trademarks or trademarks of Wi-Fi Alliance®.
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 2019. All rights reserved.
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
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 AC adapter.
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 qualified
service personnel.
• 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.
3
WARNING
Cautions
CAUTION
• 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 qualified
service personnel.
• Do not use aerosol sprayers containing flammable gas inside or around this product.
Doing so may cause fire.
• 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 push your hand or finger against the manual cutter. Doing so may injure your
hand or finger.
∗ When you remove printed paper
∗ When 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 remove the user interface board installed on this product.
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 during or immediately after use. After printing, the thermal head
and its surroundings can be very hot.
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.
4
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 I
Chapter 5 Handling
Chapter 6 Replacement of the TM-T20II
Appendix
Product Specifications
Specifications of I
nterfaces and Connectors
nformation
6
Contents
■ For Safety.................................................................................................................................3
Key to Symbols.................................................................................................................................................................. 3
Warnings ............................................................................................................................................................................. 3
Cautions............................................................................................................................................................................... 4
■ Caution Labels........................................................................................................................4
■ Restriction of Use...................................................................................................................4
■ 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 ..........................................................................................11
■ Features ................................................................................................................................ 11
■ Product Configurations ..................................................................................................... 12
Models................................................................................................................................................................................12
Accessories .......................................................................................................................................................................12
■ Parts and Functions............................................................................................................ 13
LED lights ..........................................................................................................................................................................14
Connectors .......................................................................................................................................................................15
■ Status and Errors................................................................................................................. 16
Online and Offline..........................................................................................................................................................16
Automatically Recoverable Errors ............................................................................................................................16
Recoverable Errors .........................................................................................................................................................17
Unrecoverable Errors ....................................................................................................................................................17
Status Display ..................................................................................................................................................................18
■ NV Memory .......................................................................................................................... 19
NV Graphics Memory....................................................................................................................................................19
User NV Memory ............................................................................................................................................................19
Memory Switches (Customized Value)...................................................................................................................19
R/E (Receipt Enhancement) ........................................................................................................................................19
User-defined Page .........................................................................................................................................................20
Maintenance Counter...................................................................................................................................................20
■ Simple Setup for Wireless LAN ......................................................................................... 21
■ Useful Functions for Smart Devices ................................................................................ 22
QR Code.............................................................................................................................................................................22
7
Setup ............................................................................................................... 23
■ Flow of Setup....................................................................................................................... 23
■ Installing the Printer ..........................................................................................................24
Installing the Printer Vertically ..................................................................................................................................24
Hanging the Printer on a Wall....................................................................................................................................25
■ Adjusting the Roll Paper Near-End Sensor .................................................................... 27
■ Connecting the AC adapter .............................................................................................. 28
Connecting Procedure .................................................................................................................................................28
■ Connecting the Printer to the Host ................................................................................. 29
USB Interface ...................................................................................................................................................................29
Serial Interface ................................................................................................................................................................29
Ethernet Interface ..........................................................................................................................................................30
Wireless LAN Interface (when OT-WL06 is used) ................................................................................................30
■ Connecting the Cash Drawer............................................................................................ 34
Cash Drawer Requirements ........................................................................................................................................34
Connecting the Drawer Kick Cable..........................................................................................................................35
■ Connecting the Optional External Buzzer ..................................................................... 36
Connecting Procedure .................................................................................................................................................36
■ Connecting the Optional Wireless LAN Unit.................................................................. 38
■ Attaching the Power Switch Cover.................................................................................. 39
■ Changing the Paper Width................................................................................................ 40
Advanced Usage ............................................................................................ 41
■ Software Settings ...............................................................................................................41
Feature ...............................................................................................................................................................................42
■ Setting/Checking Modes................................................................................................... 50
Self-test Mode .................................................................................................................................................................52
NV Graphics Information Print Mode......................................................................................................................52
Receipt Enhancement Information Print Mode ..................................................................................................53
Software Setting Mode ................................................................................................................................................53
Restore Default Values Mode.....................................................................................................................................55
Interface Setup Mode...................................................................................................................................................56
Peripheral Device Information Print Mode...........................................................................................................57
Hexadecimal Dumping Mode ...................................................................................................................................58
■ Printing a Status Sheet ...................................................................................................... 59
■ Resetting the Interface Settings ...................................................................................... 61
8
Application Development Information....................................................... 62
■ Controlling the Printer....................................................................................................... 62
ePOS-Print XML...............................................................................................................................................................62
ESC/POS.............................................................................................................................................................................62
■ Controlling the Cash Drawer ............................................................................................ 63
■ Controlling the Optional External Buzzer...................................................................... 64
■ Software ............................................................................................................................... 65
Development Kits ..........................................................................................................................................................65
Drivers ................................................................................................................................................................................66
Utilities ...............................................................................................................................................................................67
Others.................................................................................................................................................................................67
Download .........................................................................................................................................................................67
Handling ......................................................................................................... 68
■ Installing and Replacing Roll Paper ................................................................................ 68
■ Removing Jammed Paper ................................................................................................. 70
When the Roll Paper Cover Cannot be Opened..................................................................................................70
■ Cleaning the Printer ........................................................................................................... 72
Cleaning the Printer Case............................................................................................................................................72
Cleaning the Thermal Head/Platen Roller .............................................................................................................72
■ Preparing for Transport ..................................................................................................... 73
Replacement of the TM-T20II........................................................................ 74
■ Compatibility....................................................................................................................... 74
Printing ..............................................................................................................................................................................74
Print Speed .......................................................................................................................................................................74
Logo Registration...........................................................................................................................................................74
Driver Compatibility......................................................................................................................................................74
Overall Dimensions .......................................................................................................................................................75
Appendix......................................................................................................... 76
■ Product Specifications....................................................................................................... 76
Printing Specifications .................................................................................................................................................77
Character Specifications ..............................................................................................................................................78
Paper Specifications ......................................................................................................................................................79
Printable Area..................................................................................................................................................................80
Printing and Cutting Positions ..................................................................................................................................82
Electrical Characteristics..............................................................................................................................................83
9
Environmental Conditions..........................................................................................................................................84
External Dimensions and Mass .................................................................................................................................85
■ Specifications of Interfaces and Connectors................................................................. 86
USB Interface ...................................................................................................................................................................86
RS-232 Serial Interface .................................................................................................................................................87
Ethernet Interface ..........................................................................................................................................................90
Wireless LAN Interface (when OT-WL06 is used) ................................................................................................92
10
Chapter 1 Product Overview
Product Overview
This chapter describes features of the product.
Features
Printing
• High speed receipt printing is possible (250 mm/s {9.84"/s} maximum).
• Switching from 80 mm {3.15"} width paper printing to 58 mm {2.28"} width paper printing is available.
Handling
Easy drop-in paper loading
Software
• Command protocol is based on the ESC/POS® Proprietary Command System.
• Windows printer drivers, OPOS ADK, and OPOS ADK for .NET are available.
• Printing of various types of bar codes, GS1-DataBar, and two-dimensional symbols (PDF417, QR code,
MaxiCode, Composite Symbology, Aztec Code, DataMatrix) is supported.
• A maintenance counter function is supported.
• Multiple languages are supported for code pages, Windows drivers, and utility software.
Interface
The interface is selectable when purchasing the product.
Environment
Paper reduction function is available.
Others
• Various installation layouts (horizontal, vertical, and wall-hanging installation) are selectable.
• Optional Wireless LAN unit and external buzzer are available.
11
Product Configurations
Models
• Serial (RS-232C)/USB interface model
• Ethernet interface model
Accessories
Included
• Roll paper (for operation check)
• Power switch cover
• Soft power switch cover
Chapter 1 Product Overview
• Wall hanging bracket
• Rubber feet for vertical installation
• 58 mm width roll paper guide
• AC adapter
• Interface cable*
• AC cable*
• User's Guide
*: Not included with some models
Options
• Affixing tape for fixing the printer (Model: DF-10)
• External buzzer (Model: OT-BZ20)
• Wireless LAN cable set (Model: OT-WL06)
12
Parts and Functions
Chapter 1 Product Overview
1 Roll paper cover Open this cover to install/replace the roll paper.
2 Manual cutter Use this cutter when you cut the roll paper manually.
3 Cutter cover If the roll paper cover will not open due to a paper jam, open this cover and unlock the
autocutter blade.
4 Power switch Press this button to turn the printer on or off. ( : OFF/ : ON)
5 Power switch cover Put this cover on the power switch to prevent it being operated inadvertently.
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, see "Attaching the Power Switch Cover" on
page 39.
6
Status sheet button
(Ethernet interface model
only)
7 Cover open lever Use this button to open the roll paper cover.
8 Feed button Press this button to feed the roll paper by one line. Hold down this button to feed the
9 LED lights For details on the LED lights, see "LED lights" on page 14.
Press this button to print the interface status sheet, or to reset the interface settings.
roll paper continuously.
13
LED lights
1
2
3
1 Power LED • On when the power supply is on.
• Off when the power supply is off.
Chapter 1 Product Overview
2
3
Error LED Lights or flashes when the printer is offline. (For information about the lighting and
flashing patterns, see "Status and Errors" on page 16.)
• Ligh
ts after the power is turned on or after a reset (offline). Automatically goes out
after a while to indicate that the printer is ready.
• Lights when the end of the roll paper is detected, and when printing has stopped
(offline). If this happens, replace the roll paper.
• Off when the printer is in standard mode (online).
Paper LED • Lights when there is no more roll paper. If the near-end detection is set to
“Enabled”, this LED also lights when the near-end of the paper is detected.
• Off when there is a sufficient amount of roll paper remaining.
• Flashes when a self-test is in progress or when macro execution standby state.
14
Connectors
All connectors are located on the lower rear of the printer.
• The interface installed differs according to the model.
• Do not remove the user interface board installed on this product.
Chapter 1 Product Overview
1 Serial interface Connects the serial cable for connecting to a computer.
2 USB (Type-B) connector Connects the USB cable for connecting to a computer.
The connector is covered with a plate when shipped with some model.
When using this connector with such model, set Interface Selection in the
printer's Software Setting Mode to [Built-in USB]. See "Software Settings"
on
page 41.
3
Ethernet connector Connects the 10BASE-T/100BASE-TX Ethernet cable.
4 Power supply connector Connects the AC cable. "Connecting the AC adapter" on page 28
5 USB (Type-A) connector Use only for connecting optional Wireless LAN unit.
L
eave the cover in place if this connector is not used.
6 Drawer kick connector Connects the cash drawer or the optional external buzzer.
"Connecting the Cash Drawer" on page 34
"Connec
ting the Optional External Buzzer" on page 36
15
Status and Errors
The LEDs light or flash to indicate the printer status.
The printer cannot print while an error is left unsolved.
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:
Chapter 1 Product Overview
• 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 end is detected by the roll paper end sensor)
• During an operation standby state
• When an error has occurred ("Status and Errors" on page 16)
hile the roll paper cover is open
• W
Automatically Recoverable Errors
The printer cannot print when automatically recoverable errors occur. When the conditions for recovery
described below are met, the printer automatically recovers from the error.
Error Error description Error LED status Condition for Recovery
Roll paper cover
open error
Head temperature error A high temperature outside the
The roll paper cover was opened
during printing
thermal head drive operating
range was detected
ON The roll paper cover is closed
ON When the thermal head cools
16
Chapter 1 Product Overview
LED OFF
LED ON
Approx. 320 ms
Recoverable Errors
The printer cannot print when a recoverable error occurs. When the roll paper cover is closed, the power is
turned off and on again, or an error recovery command is received, the printer can recover from the error.
Error Error description Error LED status Condition for Recovery
Autocutter error Autocutter does not work
correctly
The error recovery command is valid only if a recoverable error (excluding automatically
recoverable errors) occurs.
Use the TM-T20III Utility to change the condition for recovery. For details, see the TM-T20III Utility
User's Manual.
ON Recovers from the error when
the jammed paper or foreign
matter is removed, and the roll
paper cover is closed
Unrecoverable Errors
The printer cannot print when an unrecoverable error occurs. 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 an unrecoverable error occurs.
CAUTION
Error Error description Error LED flash code
R/W error in memory 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 connection
error
Internal circuits are not connected
correctly.
17
Chapter 1 Product Overview
Status Display
Power LED Error LED Paper LED
Online ON OFF OFF
Initializing after power-on 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 while the printer
is not printing
No paper ON ON ON
While updating firmware ON Flashing Flashing
While in forced firmware update mode
While in power off standby ON OFF Flashing
The network link is down ON Flashing
Waiting to print status sheet ON ON Flashing
ON ON -
ON ON ON
* -
-: Changes depending on whether or not paper is detected.
*: The error LED flashing patterns are as follows.
LED ON
LED OFF
Approx. 640 ms
Approx. 5,120 ms
18
Chapter 1 Product Overview
NV Memory
The printer is equipped with the NV memory (Nonvolatile Memory) to store 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 (Customized value)
• R/E (Receipt Enhancement)
• User-defined page
• Maintenance counter
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
transmission speed is low, high speed graphics printing is possible.
Use the TM-T20III Utility to register graphics.
You can confirm the registered graphics in the NV graphics information print mode.
• For detailed information about the Epson TM-T20III Utility, see the TM-T20III Utility User's
Manual.
• For information about how to use the NV graphics information print mode, see "NV Graphics
I
nformation Print Mode" on page 52.
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 (Customized Value)
You can configure various settings of the printer.
For more information, see "Software Settings" on page 41.
R/E (Receipt Enhancement)
Graphics, such as shop logos to be printed on top or bottom of receipts can be registered.
Use the TM-T20III Utility to register graphics.
19
Chapter 1 Product Overview
User-defined Page
You can store character data in the user-defined page (character code table: page 255) so that you can also print
characters not resident in the printer.
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 use the
counter information for periodical checks or part replacement.
You can also check the print head running length and number of times of autocutting with the selftest (see "Self-test Mode" on page 52).
20
Chapter 1 Product Overview
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 (TM-T20III Utility, 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
Encryption Type
Passphrase
IP Address
MAC Address
: EPSON_Printer
: WPA2-PSK
: 12345678
: 192.168.192.168
: 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-T20III Utility or EpsonNet Config. After
switching, operations continue in standard mode. If you want to make settings in SimpleAP mode again,
initialize the communication settings. ("Resetting the Interface Settings" on page 61)
Changing to standard mode
Ex.) Change IP address,
change SSID
SimpleAP mode
(default setting)
Standard mode
(infrastructure
mode)
Initialize the communication
settings
21
Chapter 1 Product Overview
Useful Functions for Smart Devices
You can easily connect this product to the network by using the QR code printed on the status sheet.
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.
• To use the function, programming using Epson ePOS SDK is required. In addition to the QR code
capturing operations, use Printer Easy Select API to achieve this function.
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 capturing a QR code.
• You can try a demo of the function by using Epson TM Utility for iOS/Android.
22
Setup
2. Adjusting the Roll Paper Near-End Sensor (page 27)
5. Connecting the Cash Drawer (page 34)
3. Connecting the AC adapter (page 28)
1. Installing the Printer (page 24)
4. Connecting the Printer to the Host (page 29)
6. Connecting the Optional External Buzzer (page 36)
8. Attaching the Power Switch Cover (page 39)
9. Changing the Paper Width (page 40)
7. Connecting the Optional Wireless LAN Unit (page 38)
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.
Chapter 2 Setup
23
Chapter 2 Setup
Horizontal installation
Vertical installation
Hanging on a wall
Rubber feet
Installing the Printer
You can install the printer horizontally on a flat surface (with the paper exit on top) or vertically (with the paper
exit at the front). Also, you can hang it on a wall using the included accessories.
• Do not place the printer in a dusty location.
• Do not knock or strike the printer. This may cause defective print.
• Do not catch cables or place foreign matter under the printer.
• Take measures to prevent the printer from moving by vibration during paper cutting and when
using a drawer. Affixing tape (Model: DF-10) is provided as an option.
Installing the Printer Vertically
When installing the printer vertically, attach the four rubber feet in the rectangular indents in the printer case,
as shown in the illustration below.
24
Hanging the Printer on a Wall
80 mm
{3.15"}
4 mm
{0.16"}
3 to 4 mm {0.12 to 0.16"}
7 to 9 mm
{0.28 to 0.35"}
10 mm {0.39"} or more
Screws
Wall hanging bracket
To securely hang the printer on a wall, follow the steps below.
• Hang the printer on a wood, concrete, or metal wall. The thickness of the wall should be 10 mm
{0.4"} or more.
• Be sure to use metallic screws.
• The screws to be put into the wall must have a pull-out strength of 150 N (15.3 kgf) or more.
Put two screws (diameter: 4 mm {0.16"}, head diameter: 7 to 9 mm {0.28 to 0.35"}) into
1
the wall at an interval of 80 mm {3.15"}.
Make sure the length of the screw in the wall is 10 mm {0.39"} or more, and the length outside the
wall is 3 to 4 mm {0.12 to 0.16"}.
Chapter 2 Setup
Remove the two screws from the printer, and then attach the wall hanging bracket to
2
the printer using the screws.
25
Align the holes in the wall hanging bracket with the screws on the wall, and hook it
3
securely.
Chapter 2 Setup
26
Adjusting the Roll Paper Near-End Sensor
Adjustment screw
Positioning plate
Detection lever
Upper position
Lower position
Below are two situations where a roll paper near-end sensor adjustment is required.
• To adjust the detection position to suit the diameter of the roll paper core used.
• To adjust the detection position of remaining amount of paper.
• The roll paper near-end detection function can be used only when this product is installed
horizontally.
• Be sure to disable the near-end detection when the product is installed vertically or is wallmounted. Failure to do so may lead to erroneous detection.
• Since roll paper cores vary slightly in shape, depending on paper roll design and manufacturing
tolerances, it is impossible to detect the remaining paper exactly.
• Use roll paper with a core inner diameter of 12 mm {0.47"} and outer diameter of 18 mm {0.71"}
so that the near-end sensor can detect the remaining paper as accurately as possible.
• To use the near-end detection, it must be enabled using the memory switches. See "Software
Setting Mode" on page 53 for details about the making the memory switch settings.
Follow the steps below to adjust the roll paper near-end sensor.
Chapter 2 Setup
Open the roll paper cover, and remove the roll paper.
1
Loosen the adjustment screw fastening the sensor, and align the upper edge of the
2
positioning plate with the adjustment position.
Adjustment position
Upper Approx. 27 mm {1.06"}
Lower (Default setting) Approx. 23 mm {0.97"}
Tighten the adjustment screw.
3
After adjustment, make sure that the detection lever operates smoothly.
4
Remaining amount of paper
(outer diameter)
27
Connecting the AC adapter
AC adapter
AC cable
• Be sure to use the specified AC adapter [AC adapter, C1 (Model: M235B)]. Penetration by foreign
objects may lead to fire.
WARNING
Connecting Procedure
Make sure the printer is turned off.
1
Connect the AC cable to the AC adapter.
2
• Never insert the AC cable plug into a socket that does not meet the input voltage of the AC
adapter.
Doing so may result in damage to the printer.
• Should a fault ever occur, immediately turn off the power to the printer and unplug the AC cable
from the wall socket.
Chapter 2 Setup
Connect the DC cable of the AC adapter to the power supply connector (stamped
3
24V).
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Chapter 2 Setup
USB cable
Hooks
Connecting the Printer to the Host
• Be sure to install the driver before connecting the printer to the host computer.
• The printer uses a modular connector specifically designed for the cash drawer. Do not connect
the connector to an ordinary telephone line.
USB Interface
When using USB cable to connect with host device, connect the USB cable to the printer, and after starting the
host device, turn the printer on.
When connecting the USB cable to the printer, fix the cable with the hook to prevent it from being
disconnected.
Do not place any weight or stress on the cable when using. Doing so could damage the cable and
connectors.
Serial Interface
When connecting to the host computer through a serial interface (RS-232), connect a serial cable to the printer,
start the host computer, and then turn on the printer.
• When using connectors equipped with screws, tighten the screws on both sides to secure the
connectors firmly.
• When using interface cables equipped with a ground line, attach the ground line to the screw
hole marked “FG” on the printer.
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