Page 1 Technical Reference Guide Product Overview Describes features 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. Appendix Describes general specifications and character code tables.
Page 2 • 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...
Page 3: For Safety
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.
Page 4: Warnings
 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.
Page 5: Cautions
Cautions  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. CAUTION The product may break or cause injury if it falls. ...
Page 6: Restriction Of Use
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 fail-safes and redundancies into your design to maintain safety and total system reliability.
Page 7: About This Manual
About this Manual Aim of the Manual This manual aims to provide all the information necessary for the development, design, and installment of POS systems, order entry systems, and other receipt issuing systems that use TM- T20II-i. Manual Content The manual is made up of the following sections: Chapter 1 Product Overview Chapter 2...
Page 8: Table Of Contents
Contents ■ For Safety ..........................3 Key to Symbols ............................3 Warnings ..............................4 Cautions ..............................5 ■ Restriction of Use ........................6 ■ About this Manual ........................ 7 Aim of the Manual ..........................7 Manual Content .............................7 ■ Contents..........................8 Product Overview ................ 13 ■...
Page 9 ■ Installing the Product ......................30 Installing the product Vertically......................31 Hanging the product on a Wall ......................32 ■ Changing the Paper Width....................34 ■ Installing the microSD Card....................35 ■ Connecting the Product to the Network ................36 For Wired LAN connection........................
Page 10 ■ EPSON TMNet WebConfig ....................92 Starting EPSON TMNet WebConfig .....................92 Help Screen Display ..........................92 Version Screen Display .........................92 General Information..........................93 Information - Wired - TCP/IP ........................94 Information - Wireless - TCP/IP ......................94 Information - Web Contents........................95 Information - Time..........................95 Web Service Settings - Device Admin - Printer..................96...
Page 11 ■ Preparing for Transport..................... 130 Appendix..................131 ■ Product Specifications..................... 131 Software Specifications ........................132 Controllable Peripherals........................133 Printing Specifications ........................134 Character Specifications ........................135 Printable Area ............................ 136 Printing and Cutting Positions ......................137 Paper Specifications.......................... 137 Electrical Characteristics ........................138 Environmental Conditions .........................
Page 12 Page 43 (PC1119: Lithuanian)......................177 Page 44 (PC1125: Ukrainian)......................178 Page 45 (WPC1250: Latin 2) ......................179 Page 46 (WPC1251: Cyrillic) ......................180 Page 47 (WPC1253: Greek).......................181 Page 48 (WPC1254: Turkish).......................182 Page 49 (WPC1255: Hebrew)......................183 Page 50 (WPC1256: Arabic)......................184 Page 51 (WPC1257: Baltic Rim)......................185 Page 52 (WPC1258: Vietnamese) ....................186 Page 53 (KZ1048: Kazakhstan) ......................187 Page 255..............................188...
Page 13: Product Overview
Product Overview Product Overview This chapter describes features of the product. Features TM-T20II-i is a receipt printer which can print directly from a smart device application or Web application. This product supports ePOS-Device and ePOS-Print and are capable of controlling POS peripherals or network compatible TM printers.
Page 14: Product Configurations
Product Configurations Bundled items • AC adapter • AC cable * • Roll paper (for operation check) • 58 mm width roll paper guide • Power switch cover • Waterproof power switch cover • Start Here • Manual CD • Wall-hanging bracket •...
Page 15: Part Names And Functions
After the product is turned on, it requires about 30 seconds until it is ready to print. Power Switch Cover Install the power switch cover that comes with the TM-T20II-i onto the printer to prevent inadvertent changing of the power switch, to prevent tampering, and to improve the appearance of the printer.
Page 16: Roll Paper Cover / Cover Open Lever
Roll paper cover / Cover open lever When setting or replacing the roll paper, use the cover open lever to open the roll paper cover. Do not open the roll paper cover during printing or while the autocutter is operating. Cutter cover The autocutter is inside the cutter cover.
Page 17: Interfaces
Chapter 1 Product Overview Interfaces Drawer kick Serial port connector Ethernet port Protective cover micro SD card slot DC-in connector USB host ports USB device port Name Description Drawer kick connector Connects a cash drawer or the optional buzzer unit. Ethernet port Connect the LAN cable here to connect to the network.
Page 18: Status Led
Status LED With the status LED on the rear of the product, you can check the interface board status. Status LED Description On (Green) Operating normally. On (Orange) Starting up. If the status LED is on in orange even after 30 seconds have passed since the printer is turned on, repair is required.
Page 19: Wired Lan Status Led
Chapter 1 Product Overview Wired LAN Status LED With the Wired LAN Status LED on the rear of the product, you can check the communication status of the product. LED (Green) LED (Yellow) Status Description Green Link established Flashing Transmitting/receiving data Link not established Yellow 100BASE-TX...
Page 20: Online And Offline
Online and Offline Online When no events to go offline have occurred, the printer is online and ready for normal printing. Offline The printer automatically goes offline under the following conditions: • During power on (including resetting with the interface) until the printer is ready •...
Page 21: Error Status
Chapter 1 Product Overview Error Status There are three possible error types: automatically recoverable errors, recoverable errors, and unrecoverable errors. Check the error LED flash code. When connection to peripherals fails, check the status LEDs at the lower rear of the product. Automatically Recoverable Errors Printing is no longer possible when automatically recoverable errors occur.
Page 22: Unrecoverable Errors
Unrecoverable Errors If the same error occurs again even after turning the power back on, contact your dealer or a Epson service center. Turn off the power immediately when unrecoverable errors occur. CAUTION Error Error description Error LED flash code...
Page 23: Nv Memory
Chapter 1 Product Overview NV Memory The product's NV memory (Non-Volatile Memory) stores data even after the product power is turned off. NV memory contains the following memory areas for the user: • NV graphics memory • Memory switches (customized value) •...
Page 24: Maintenance Counter
Maintenance Counter With this function, printer information, such as the number of line feeds, the number of autocuts and product operation time after the printer starts working, is automatically stored in NV memory. You can read the information with the TM-T20II Utility or in a self-test to use it for periodical checks or part replacement.
Page 25: Setup
You can utilize "Easy Setup", which enables settings to the TM-i to be made in a simple manner using a USB memory that contains a file of EPSON TMNet WebConfig setting values. For detail, refer the “TM-i series Easy Setup Guide”.
Page 26 Connecting the AC Adapter (page 45) Attaching the Power Switch Cover (page 46) Setting the Memory Switches/Receipt Enhancement (page 47) Settings for EPSON TMNet WebConfig Network Setting (page 56) Enabling HTTPS Communication (page 62) Setting for Connected Devices (page 64)
Page 27 Connecting the AC Adapter (page 45) Attaching the Power Switch Cover (page 46) Setting the Memory Switches/Receipt Enhancement (page 47) Settings for EPSON TMNet WebConfig Network Setting (page 56) Settings for Server Direct Print (page 63) Setting for Connected Devices (page 64)
Page 28 Connecting the AC Adapter (page 45) Attaching the Power Switch Cover (page 46) Setting the Memory Switches/Receipt Enhancement (page 47) Settings for EPSON TMNet WebConfig Network Setting (page 56) Setting for Connected Devices (page 64) Settings for Device Data Notification (page 72)
Page 29 Connecting the Product to the Network (page 36) Connecting the AC Adapter (page 45) Attaching the Power Switch Cover (page 46) Setting the Memory Switches/Receipt Enhancement (page 47) Settings for EPSON TMNet WebConfig Network Setting (page 56) Enabling HTTPS Communication (page 62) Enabling PHP (page 61)
Page 30: Installing The Product
Installing the Product You can install the product 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. Horizontal Installation Vertical Installation Hanging Installation...
Page 31: Installing The Product Vertically
Chapter 2 Setup Installing the product Vertically When installing the product vertically, be sure to attach the included control panel label for vertical installation on the roll paper cover, and attach 4 rubber feet in the rectangular indents in the product case, as shown in the illustration below.
Page 32: Hanging The Product On A Wall
Hanging the product on a Wall To hang the product on the wall, follow the steps below.  To fix the product securely, hang the product on a wall made of wood, concrete, or metal.  The thickness of the wall should be 10 mm or more. ...
Page 33 Chapter 2 Setup Remove the screws retaining the printer case, install the wall hanging bracket on the product, and fix it using the screws. Screws Wall hanging bracket Align the holes in the wall hanging bracket with the screws on the wall, and hook it securely.
Page 34: Changing The Paper Width
Changing the Paper Width You can change the paper width from 80 to 58 mm by installing the included 58-mm width paper guide plate. Follow the steps below to change the paper width. Because some parts of the print head and the autocutter contact the platen and they may become worn out, once you change the paper width from 80 to 58 mm and use the product, you cannot change it back to 80 mm.
Page 35: Installing The Microsd Card
Chapter 2 Setup Installing the microSD Card Install the microSD card into the microSD card slot on the rear of the product. Use a microSD card that has wear leveling functions  The microSD card can only be used if the PHP function is enabled. ...
Page 36: Connecting The Product To The Network
Connecting the Product to the Network For Wired LAN connection Connect the product to a network by a LAN cable via a hub. Insert a 10BASE-T/100BASE-TX LAN cable into the LAN connector until it clicks.  When LAN cables are installed outdoors, make sure devices without proper surge protection are cushioned by being connected through devices that do have surge protection.
Page 37 Chapter 2 Setup Connecting the unit directly with the product Install the wireless LAN unit to a USB port of the product. USB port Using the USB extension cable Attach the included rubber cover to the connector of the USB extension cable into which the wireless LAN unit will be inserted, to prevent the unit from coming off.
Page 38 Connect the USB extension cable to the USB port of the product. If you want to fix the wireless LAN unit, cut the included affixing tape to fit and put on the unit, and fix the unit in a place with good communication.
Page 39: Connecting The Peripherals
Connecting the Customer Display For details on connecting the customer display, refer to the "DM-D110/DM-D210 Technical Reference Guide". Use EPSON TMNet WebConfig to configure customer display settings and perform display tests. For detail, refer to "Setting for Connected Devices" on page...
Page 40: Connecting The Optional External Buzzer
Connecting the Optional External Buzzer You can use the optional external buzzer (OT-BZ20) by connecting it to the drawer kick connector.  The optional external buzzer and the drawer cannot be used together at the same time.  If you configure the memory switch (customized value) setting to enable the optional external buzzer, the drawer cannot be opened because the pulse is not sent to the drawer kick connector pin.
Page 41: Installation Procedures
Chapter 2 Setup Installation Procedures Turn off the product. Connect and disconnect the optional external buzzer while the product is turned off. If you connect it while the product is turned on, the buzzer does not function correctly. Clean and dry the printer case where the optional external buzzer will be installed.
Page 42: Adjusting The Buzzer Volume
Peel off the sticker on the other side of the affixing tape, and attach and fix the optional external buzzer to the printer case. Printer case Turn on the product. When and how to beep can be set by TM-T20II Utility or the product's customized value.
Page 43: Connecting The Serial Communication Device
For key input devices such as barcode scanners and keyboards, connect a USB cable of a device to the USB port at the rear of this product. Use EPSON TMNet WebConfig to select a device control script and perform communication tests. For detail, refer to...
Page 44: Connecting The Cash Drawer
Connecting the Cash Drawer Using the optional product for TM printer is recommended. If the optional external buzzer is used, you cannot use a cash drawer.  Specifications of drawers differ depending on makers or models. When you use a drawer other than specified, make sure its specification meets the following conditions.
Page 45: Connecting The Ac Adapter
Chapter 2 Setup Connecting the AC Adapter  Be sure to use the included AC adapter as the power supply unit. Using a nonstandard power supply can result in electric shock and fire.  Should a fault ever occur in the included AC adapter, immediately turn off the power WARNING to the product and unplug the power supply cable from the wall socket.
Page 46: Attaching The Power Switch Cover
Attaching the Power Switch Cover Install the power switch cover that comes with the TM-T20II-i onto the product to prevent inadvertent changing of the power switch, to prevent tampering, and to improve the appearance of the product. 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.
Page 47: Setting The Memory Switches/Receipt Enhancement
Chapter 2 Setup Setting the Memory Switches/Receipt Enhancement With the memory switch and R/E (receipt enhancement) function, which are software settings for this printer, you can set the various functions. For an outline of the functions, see the following section. Use the methods shown in the table below; TM-T20II Utility or Software Setting Mode to set the memory switches and R/E functions.
Page 48: Functions
Software Setting Function TM-T20II Utility Mode ✔ Auto top logo ✔ Auto bottom logo ✔ Auto top/bottom logo extended functions dpi: dots per inch *1: No settings are required. *2: Do not change the settings. *3: Excluding some function.  For information about the TM-T20II Utility, see the TM-T20II Utility User’s Manual. ...
Page 49: Auto Line Feed
Chapter 2 Setup Auto line feed • Always enabled (initial setting) • Always disabled No settings are required. USB power-saving function • Disabled • Enabled (initial setting) Release condition of receive buffer BUSY • Releases when the remaining receive buffer capacity becomes 256 bytes (initial setting) •...
Page 50: Print Density
Print density Selectable from levels 1 to 7 (85% ~ 115%). Initial setting: level 4 (100%) Depending on the paper type, it is recommended to set the print density as shown in the table below for the best print quality. Original Paper type Density Level P350, AF50KS-E, KT55F20, KT48F20...
Page 51 Chapter 2 Setup Power supply unit capacity Selectable from levels 1 to 3 (Low ~ High) Initial setting: level 3 Number of columns • Standard mode (initial setting) • 42 column mode Autocutting after closing cover • Cuts (initial setting) •...
Page 52 Font A auto replacement • Does not replace (initial setting) • Font B This function is enabled only when Number of columns is set to Standard mode. Font B auto replacement • Does not replace (initial setting) • Font A This function is enabled only when Number of columns is set to Standard mode.
Page 53 Chapter 2 Setup Sound pattern (Pulse 1) Selectable from Patterns A to E Initial setting: Pattern A Buzzer frequency (Pulse 1) • Does not sound • Sounds 1 time (initial setting) Sound pattern (Pulse 2) Selectable from Patterns A to E Initial setting: Pattern B Buzzer frequency (Pulse 2) •...
Page 54 Parity • None (initial setting) • Even • Odd Data bit • 7 bits • 8 bits (initial setting) Flow control • DTR/DSR (initial setting) • XON/XOFF Communication condition of USB interface • USB printer class • USB vendor-defined class (initial setting) Do not change the settings.
Page 55 Chapter 2 Setup Auto bottom logo Key-code Selectable from key-codes of registered logos Alignment • Left • Center • Right Auto top/bottom logo extended functions TM-T20II Utility does not support the following functions.  Top logo print while paper feeding to the cutting position ...
Page 56: Network Setting
If no IP address is printed, print a status sheet and check the IP address. 3. Start EPSON TMNet WebConfig Access the address bar of the Web browser on the PC for setting to start EPSON TMNet WebConfig. When SSL is disabled: http://[This product's IP address]/webconfig...
Page 57 Chapter 2 Setup 5. Set up a wireless LAN For a wireless LAN, select the [System Settings] menu and [Wireless], and set the items such as SSID and Security Mode. After setting, click [Apply] at the bottom of the screen. Then the settings are written to the product. If [Apply] is not clicked, the settings are not applied.
Page 58: Confirming Network Setting
Confirming Network Setting You can confirm the network setting with a status sheet or EPSON TMNet WebConfig. Confirming with a status sheet Print a status sheet and check the following items. • Wired TCP/IP  Get IP Address  Set using Automatic Private IP Addressing (APIPA) ...
Page 59: Initializing The Network Setting
The time server is disabled and the time difference is initialized to the default value. • Admin Settings - Administrator Information - Password The password required when starting up EPSON TMNet WebConfig is initialized to the default value.  EPSON TMNet WebConfig settings other than those listed above are not initialized.
Page 60: Initialization Procedure
Initialization procedure Load the paper on the product and turn on the product. Push and hold the push button for 10 seconds or longer. The following initialization start message is printed. Press the push button with a thin object such as a tweezers. Push button Do not turn off the power until the initialization is completed.
Page 61: Enabling Php
Make sure that the microSD card is installed in the microSD card slot on this product. 2. Start EPSON TMNet WebConfig Access the address bar of the Web browser on the PC for setting to start EPSON TMNet WebConfig. When SSL is disabled: http://[This product's IP address]/webconfig/PHPSetting When SSL is enabled: https://[This product's IP address]/webconfig/PHPSetting 3.
Page 62: Enabling Https Communication
Connect this product to a network and turn on the product. 2. Start EPSON TMNet WebConfig Access the address bar of the Web browser on the PC for setting to start EPSON TMNet WebConfig. When SSL is disabled: http://[This product's IP address]/webconfig...
Page 63: Settings For Server Direct Print
Connect this product to a network and turn on the product. 2. Start EPSON TMNet WebConfig Access the address bar of the Web browser on the PC for setting to start EPSON TMNet WebConfig. When SSL is disabled: http://[This product's IP address]/webconfig...
Page 64: Setting For Connected Devices
Setting for Connected Devices The ePOS-Device XML, ePOS-Device SDK, and Server Direct Print systems identify controlled devices by the device ID. The device ID is registered in this product. Set the device ID using EPSON TMNet WebConfig. This section briefly explains the setup procedure.
Page 65 This section briefly explains the setup procedure. 1. Start EPSON TMNet WebConfig Access the address bar of the Web browser on the PC for setting to start EPSON TMNet WebConfig. When SSL is disabled: http://[This product's IP address]/webconfig When SSL is enabled: https://[This product's IP address]/webconfig For detail, see "Starting EPSON TMNet WebConfig"...
Page 66: Registering Web Contents
Registering Web Contents To use this product as a Web server, register Web contents by following the steps below. Creating Web Contents Specifications of the file to be registered • Contents such as HTML files, CSS files, PHP files, JavaScript files, certificate files, and image data. •...
Page 67 Chapter 2 Setup Cautions for the files to be registered • The specifications for registration of web contents will vary as shown below, depending on whether you set "Enable" or "Disable" for PHP. Specification Item When enabling PHP: When disabling PHP: Content save location microSD card Inside this product...
Page 68: Registering Web Contents
Connect this product to a network and turn on the product. 2. Start EPSON TMNet WebConfig Access the address bar of the Web browser on the PC for setting to start EPSON TMNet WebConfig. When SSL is disabled: http://[This product's IP address]/webconfig...
Page 69 Connect this product to a network and turn on the product. 2. Start EPSON TMNet WebConfig Access the address bar of the Web browser on the PC for setting to start EPSON TMNet WebConfig. When SSL is disabled: http://[This product's IP address]/webconfig...
Page 70: Settings For Spooler
Connect this product to the network and turn on the power. 2. Start EPSON TMNet WebConfig On the setup computer, enter the following into the address bar of your Web browser to start EPSON TMNet WebConfig. When SSL is disabled: http://[This product's IP address]/webconfig...
Page 71: Settings For Print Forwarding
Connect this product to the network and turn on the power. 2. Start EPSON TMNet WebConfig On the setup computer, enter the following into the address bar of your Web browser to start EPSON TMNet WebConfig. When SSL is disabled: http://[This product's IP address]/webconfig...
Page 72: Settings For Device Data Notification
Connect this product to the network and turn on the power. 2. Start EPSON TMNet WebConfig On the setup computer, enter the following into the address bar of your Web browser to start EPSON TMNet WebConfig. When SSL is disabled: http://[This product's IP address]/webconfig...
Page 73: Application Development Information
Chapter 3 Application Development Information Application Development Information This chapter describes how to control the product and gives information useful for product application development. Controlling the Printer The method for controlling the printer with your print application will depend on the system structure.
Page 74: Epos-Device Sdk For Ios
ePOS-Device SDK for iOS ePOS-Device SDK for iOS is a SDK for developers to enable the use of this product from iOS applications. This provides an API that can be used from applications, and allows users to control printing and device controls from iOS terminals. This SDK has the following features: •...
Page 75 Chapter 3 Application Development Information How to obtain Download from our web site.
Page 76: Epos-Device Sdk For Android
ePOS-Device SDK for Android ePOS-Device SDK for Android is a SDK for developers to enable the use of this product from Android applications. This provides an API that can be used from applications, and allows users to control printing and device controls from Android terminals. This SDK has the following features: •...
Page 77 Chapter 3 Application Development Information How to obtain Download from our web site.
Page 78: Epos-Device Sdk For Javascript
ePOS-Device SDK for JavaScript ePOS-Device SDK for JavaScript is a SDK for developers to enable use of this product from JavaScript in Web browser, etc. This provides an API that can be used from applications, and allows users to control printing and device controls from the Web application. This SDK has the following features: •...
Page 79 Chapter 3 Application Development Information How to obtain Download from our web site.
Page 80: Epos-Device Xml
ePOS-Device XML ePOS-Device XML is a command system that uses XML to define functions to control various POS peripherals (including this product printer unit) connected to this product. An application creates a request message in XML format and sends it to this product using socket communications. This product executes control on peripherals and returns a response.
Page 81 Chapter 3 Application Development Information The package includes: • ePOS-Device XML User’s Manual • Sample program How to obtain Download from our web site.
Page 82: Epos-Print Xml
ePOS-Print XML ePOS-Print XML is a POS printer command system that uses XML to define the main functions for the ESC/POS command system. The application creates a request message in XML format and sends it to this product using HTTP. You can print using this product as well as TM printers on a network.
Page 83 Chapter 3 Application Development Information How to obtain Download from our web site.
Page 84: Server Direct Print
This function has the following features: • Can acquire print data from three different URLs. Print data can be used in ePOS-Device XML format. • Printable to TM printers on the network via TM-T20II-i. The package includes: • Server Direct Print User’s Manual •...
Page 85: Device Data Notification
Chapter 3 Application Development Information Device Data Notification You can use with TM-i firmware Ver.4.3 or later for this product. Data from the device can be requested to the Web server to trigger the application. The response generated by the request of this product can include print data in ePOS-Device XML format, device control, and communication box control.
Page 86: Web Server
• Create dynamic Web pages. • Manage user data by saving files and operating database. The Web contents registered on this product can be automatically obtained or updated from a specified URL. Device TM-T20II-i 1. Request 2. Data http://-----/index.php Http Server...
Page 87: Spooler And Print Forwarding
Chapter 3 Application Development Information Spooler and Print Forwarding This section explains the print flow determined by whether or not the spooler or print forwarding is set for this product. Printing TM-i firmware succeeded (1) Ver.4.1 or earlier Print data Printing failed (2) TM-i firmware...
Page 88 "Software Specifications" on page 132.  You cannot check the print results such as the spooler print data or job IDs from EPSON TMNet WebConfig. • (1): TM-i firmware Ver.4.1 or earlier: [Print result = true] is returned to the application.
Page 89 Chapter 3 Application Development Information Checking the print results When the spooler is disabled After printing, the job ID and print results are returned to the application. Also, when printing cannot be performed, the job ID, print results, and error code are returned. When the spooler is enabled •...
Page 90: Software And Manuals
 Operation check  Setting backup/restore Coupon and Electronic Journal are unavailable. Monitoring Tool Use to check a list of status for the Epson printers Monitoring Tool User’s connected to the network. Manual You can also update certificates for multiple printers used for WPA-Enterprise in a batch.
Page 91: How To Get Manuals And The Utility
Included in the wireless LAN cable set (OT-WL01). Included with the product TM-i series WebConfig Packs an API for setting EPSON TMNet WebConfig API User’s Manual for this product. Using this API, you can set and reference EPSON TMNet WebConfig values from your application.
Page 92: Epson Tmnet Webconfig
 A user name and a password will be required on the authentication screen. Enter “epson” for both the user name and the password. You can change the password on the [Password Setting] screen (see "Admin Settings - Administrator Information -...
Page 93: General Information
Chapter 3 Application Development Information General Information You can check the general information of the TM-T20II-i. Item Description Administrator Name Displays the administrator name set by the user. Location/Person Displays the product's installation location set by the user. Firmware Version Shows the TM-i firmware version of the TM-T20II-i.
Page 94: Information - Wired - Tcp/Ip
Information - Wired - TCP/IP You can check the TCP/IP setting for a wired LAN. Item Description Get IP Address Shows the method of getting the IP address. Set using Automatic Private IP Addressing Shows the APIPA setting. (APIPA) IP Address Shows the IP address set with the wired LAN.
Page 95: Information - Web Contents
Shows the latest date and time when the web contents were installed on the TM-T20II-i automatically. Status of Last Automatic Update Shows the result of the last update of web contents on the TM-T20II-i. Information - Time You can check the time setting.
Page 96: Web Service Settings - Device Admin - Printer
Web Service Settings - Device Admin - Printer You can set printers or check their operation.  This product cannot be deleted from a device.  The "device ID" for this product can be changed. For detail, see to "Changing Device ID of This Product"...
Page 97: Web Service Settings - Device Admin - Customer Display
Apply Saves settings to TM-T20II-i. Communication speed and other items must be set for this product in order to control the cus- tomer display as an RS232C-compliant serial communication device. Set these items to match the communication conditions of the customer display connected to.
Page 98: Web Service Settings - Device Admin - Serial Communication Device
Apply Saves settings to TM-T20II-i. Web Service Settings - Device Admin - Search Printer You can search and configure printers connected to this product through the network. Item...
Page 99: Web Service Settings - Spooler - Settings
Set the printer for the print forwarding location when printing fails on primary printer and secondary printer. Register Save the settings for the print forwarding route to TM-T20II-i. Registered Print forwarding routes Display a list of the registered print forwarding routes.
Page 100: Web Service Settings - Web Contents - Update Settings
Sets whether the server authentication is performed with the registered certificate when accessed through https. Apply Saves settings to TM-T20II-i. Web Contents Web Contents Specifies the web content files to register. Manual Update Archive File (*.zip) Upload Registers the specified web contents on the TM-T20II-i.
Page 101: Web Service Settings - Server Access - Direct Print
Sets whether to use the Server Direct Print function or not. Select [Enable] or [disable]. Set ID for the server-side program to identify TM-T20II-i when [Server Direct Print] is set to [Enable]. This ID becomes the user ID used for Digest access authentication.
Page 102: Web Service Settings - Server Access - Status Notification
Sets whether to use the Status Notification function or not. Select [Enable] or [Disable]. Set ID for the server-side program to identify TM-T20II-i when [Status Notification] is set to [Enable]. This ID becomes the user ID used for Digest access authentication. The set value will also be passed as an ID parameter value for the form data posted to the server.
Page 103: Web Service Settings - Server Access - Device Data Notification
Sets whether to use the Device Data Notification function or not. Notification Select [Enable] or [Disable]. Server Set ID for the server-side program to identify TM-T20II-i when Access [Device Data Notification] is set to [Enable]. This ID becomes the user ID used for Digest access authentication. The set value will also be passed as an ID parameter value for the form data posted to the server.
Page 104: System Settings - Network - Wired
Item Description Link Speed & Duplex Sets the speed of data link layer. Apply Saves settings to TM-T20II-i. System Settings - Network - Wired - TCP/IP You can make settings for a wired LAN such as IP address. Item Description Get IP Address Sets the method of getting the IP address.
Page 105: System Settings - Network - Wireless
Enter the pass phrase of the pre-shared key when [Security mode] is set to "WPA" or "WPA2". Apply Saves settings to TM-T20II-i.  Initially, Authentication Method is set to Open System and Security Mode is set to None. To ensure security, be sure to change the settings before use.
Page 106: System Settings - Network - Wireless - Tcp/Ip
Sets the addresses of the DNS server in order of usage when [Acquire DNS Server Address Automatically] is set to [Disable]. Apply Saves settings to TM-T20II-i. System Settings - Security - Authenticate Server You can register certificates, configure the registered certificates, and delete them in this product. Item...
Page 107: System Settings - Security - Ssl
Selects certificate chain files registered to this product file Apply Saves settings to TM-T20II-i.  This product only supports TLS. SSL3.0 is not supported.  HTTP communication is not available when SSL is enabled.  When SSL is enabled, it will take about 1 minute and 30 seconds after the printer is turned on for printing to be possible.
Page 108: System Settings - Time - Time
Shows the result of last getting time from the time server. Apply Saves settings to TM-T20II-i. Admin Settings - Maintenance - Reset You can reset the network functions and restore the settings for EPSON TMNet WebConfig to the factory default settings. Item Description...
Page 109: Admin Settings - Administrator Information - Administrator
Saves settings to TM-T20II-i. A user name and a password will be required on the authentication screen when you start up this utility and when you change settings. Enter “epson” for the user name and the password you set for the password.
Page 110: Php Settings
PHP settings Opening PHP Setting Screen Follow the steps below to open the PHP Setting screen of EPSON TMNet WebConfig. Start up a PC connected to the network. Start up the Web browser, and input the following in the address bar.
Page 111: Status Sheet
If you keep pressing the button for more than 10 seconds, the network settings are initialized. Information on a status sheet <General Information> Firmware X.XX ePOS-Device X.XX Model TM-T20II-i Time yyyy-mm-dd hh:mm:ss GMT+hh:nn <Server Direct Print> Disable <Status Notification> Status Notification Disable <Syslog Storage>...
Page 112 Shows the product’s TM-i firmware version, ePOS- Device version, product’s name, and time. Firmware Shows the product’s TM-i Firmware version. ePOS-Device Shows ePOS-Device Service version. Model Shows “TM-T20II-i”. Time Shows the date, the present time, and the time difference. Administrator Name Shows the administrator name. Location/Person Shows the location and the user name.
Page 113 Chapter 3 Application Development Information Item Description Wireless TCP/IP Shows TCP/IP settings for wireless LAN. Get IP Address Shows the method of getting the IP address. Set using Automatic Private IP Addressing Shows the APIPA setting. (APIPA) IP Address Shows the IP address. Subnet Mask Shows the subnet mask.
Page 114 Item Description Customer Display Shows the device ID and the followings customer display information that is registered in ePOS-Device. Shows whether using the customer display. Communications speed Shows the communication speed. Data bit Shows the data bit. Parity Shows the parity. Brightness setting Shows the brightness of the customer display.
Page 115 Chapter 3 Application Development Information Item Description Server Direct Print Shows Server Direct Print settings. Shows Enable or Disable of Server Direct Print. Shows ID for the server-side program to identify TM- T20II-i. Authenticate Server S h ow s w h e t h e r t h e s e r ve r a u t h e n t i c a t i o n i s performed with the registered certificate when accessed through https.
Page 116 Item Description Spooler Shows spooler settings. Shows enable/disable for the spooler. Count Shows the number of retry times when printing from the spooler. Interval(s) Shows the retr y inter val when printing from the spooler. Print forwarding Shows the printer forwarding route settings for the spooler.
Page 117: Setting/Checking Modes
Chapter 3 Application Development Information Setting/Checking Modes Besides the ordinary print mode, the printer has the following modes to set or check settings of the printer. • Self-test Mode • Hexadecimal Dumping Mode • NV Graphics Print Mode • Receipt Enhancement Information Print Mode •...
Page 118: Nv Graphics Print Mode
NV Graphics Print Mode You can confirm the following information by running NV graphics print mode: • Capacity of the NV graphics • Used amount of the NV graphics • Unused capacity of the NV graphics • Number of NV graphics that are registered •...
Page 119: Receipt Enhancement Information Print Mode
Chapter 3 Application Development Information Receipt Enhancement Information Print Mode You can confirm the following information by running the R/E information mode: • Automatic top logo setting • Automatic bottom logo setting • Extended settings for automatic top/bottom logo Follow the steps below. Close the roll paper cover.
Page 120: Software Setting Mode
Software Setting Mode You can configure the memory switches (customized values) of the product. • Print density • Auto reduction of the amount of paper to use • Autocutting of paper while the cover is closed • Paper width • Default value of character code page/international character set •...
Page 121 Chapter 3 Application Development Information Hold down the Feed button for 1 second or more to move to mode selection. The mode selection guidance is printed and Paper LED flashes. Mode Selection Modes 0: Exit and Reboot Printer 1: NV Graphics Information 2: Receipt Enhancement Information 3: Customize Value Settings 4: or more: None...
Page 122 Press the Feed button for less than 1 second the number of times as shown in the print result and then hold down for more than 1 second to select the item to be set. The specified value (option), currently set value, and initial value for the selected item are printed.
Page 123: Hexadecimal Dumping Mode
Chapter 3 Application Development Information Hexadecimal Dumping Mode In the hexadecimal dumping mode, the printer prints the data transmitted from a host computer in hexadecimal numbers and their corresponding characters. Follow the steps below to run this mode.  If there is no character corresponding to print data, "." is printed. ...
Page 124: Easy Setup
Easy Setup Easy setup is a function that allows you to set the EPSON TMNet WebConfig by simply inserting a USB memory stick and turning on the power. The USB memory stick should contain a file (setting.ini) with the setting values for EPSON TMNet WebConfig and a file with web content.
Page 125: Handling
Chapter 4 Handling Handling This chapter describes basic handling of the product. Installing and Replacing Roll Paper  Do not open the roll paper cover during printing. The product may be damaged.  Do not touch the manual cutter with your hands when installing or replacing the roll WARNING paper.
Page 126 Install the roll paper in the correct direction. Pull out some roll paper, and close the roll paper cover. When the printer power is on, the roll paper is automatically cut. (initial setting)
Page 127: Removing Jammed Paper
Chapter 4 Handling Removing Jammed Paper Do not touch the thermal head (See "Cleaning the Printer" on page 129.) because it can be very hot after printing. CAUTION When a paper jam occurs, never pull out the paper forcibly. If a paper jam occurred, follow the steps below to recover. Turn off the product.
Page 128 If the cover cannot be opened, move the stuck auto cutter blade with the following method. Remove the cutter cover by sliding toward the front. Cutter cover Indent Turn the knob in the direction of the arrow until the triangle mark is appeared in the opening. (This returns the cutter blade to the standby position.) Triangle Knob...
Page 129: Cleaning The Printer
CAUTION Cleaning the Thermal Head/Platen Roller Epson recommends cleaning the thermal head periodically (generally every 3 months) to maintain receipt print quality. Depending on the roll paper used, paper dust may stick to the platen roller and the paper may not be fed correctly.
Page 130: Preparing For Transport
Preparing for Transport Follow the steps below to transport the product. Turn off the product. Remove the AC adapter. Remove the roll paper. Pack the product upright.
Page 131: Appendix
Appendix Appendix Product Specifications Printing method Thermal line printing Cutting method Partial cut (cutting with one point in left edge left uncut)  Standards: USB2.0 (High/Full/Low speed) Interfaces USB host port  No. of ports: 2 ports  Connector: Type A x 2 ...
Page 132: Software Specifications
Print control ePOS-Device SDK for iOS, ePOS-Device SDK for Android, ePOS- Device SDK for JavaScript, ePOS-Device XML, ePOS-Print XML, Server Direct Print, Device Data Notification  EPSON TMNet WebConfig * Utility  Network setting (Ethernet/Wireless LAN)  Web contents registration ...
Page 133: Controllable Peripherals
The following product's printers of TM-i TM-T88V-i ✔ (TM-i Firmware Ver.4.0 or later) TM-T70-i ✔ (TM-i Firmware Ver.4.0 or later) ✔ TM-T20II-i ✔ TM-T82II-i ✔ TM-U220-i The following printers with the UB-E02, UB-E03, UB-R03, or UB-R04 embedded ✔ TM-T88V ✔...
Page 134: Printing Specifications
Other Device Customer Display DM-D110 Key Input Device Barcode scanner, Keyboard Serial Communication Device Device that has a serial interface, such as a scale, cash recycler or CAT terminal. ePOS-Device SDK provides only an API that sends/receives commands. For control of a serial communication device, you will have to use an application of your own.
Page 135: Character Specifications
Appendix Character Specifications 80 mm width paper printing 58 mm width paper printing Number of characters Alphanumeric characters: 95 Extended graphics: 128 × 43 pages International characters: 18 sets Character Standard Font A (default): 12 × 24 (including 2-dot horizontal spacing) structure mode Font B: 9 ×...
Page 136: Printable Area
Printable Area 80 mm paper width printing The printable area of paper with a width of 79.5 ± 0.5 mm {3.13 ± 0.02"} is 72.0 ± 0.2 mm {2.83 ± 0.008"} (576 dots), and the space on the left side is approximately 3.0 mm {0.12"} and the space on the right side is approximately 4.5 mm {0.18"}.
Page 137: Printing And Cutting Positions
Appendix Printing and Cutting Positions Manual-cutter position Approx. 27.1 mm {1.07"} Approx. 10.5 mm Autocutter blade position {0.41"} Center of the print dotline Printable area Paper feed direction The values above may vary slightly as a result of paper slack or variations in the paper. Take this into account when setting the cutting position of the autocutter.
Page 138: Electrical Characteristics
Electrical Characteristics AC adapter Input voltage AC 90 V to 264 V (AC 100 V to 240 V) Output voltage DC 24 V Supply current from Total of both ports: 800 mA the product Consumed current (Rating) 24 V/ 1.8 A (M267A), 1.5 A (M267D) Consumed power When operating: 29.4 W (230 V/ 50 Hz), 29.5W (115 V/ 60 Hz) When standby: 2.9 W (230 V/ 50 Hz), 2.8W (115 V/ 60 Hz)
Page 139: Environmental Conditions
Ambient temperature Acoustic noise (operating) Approximately 55 dB (bystander position) Note: The values above are measured in the Epson evaluation condition. Acoustic noise differs depending on the paper used, printing contents, and the setting values, such as print speed or print...
Page 140: External Dimensions And Mass
External Dimensions and Mass • Width: Approximately 140 mm {5.51"} • Depth: Approximately 199 mm {7.83"} • Height: Approximately 146 mm {5.75"} • Mass: Approximately 1.7 kg {3.74 lb} (except for roll paper) 140 mm {5.51"} 199 mm {7.83"} 146 mm {5.75"} [Units: mm]...
Page 141: Ac Adapter
Output conditions Output voltage (rating): DC 24V ± 5% Output current (rating): 2.0A Option Specifications Wireless LAN Cable Set (OT-WL01) Wireless module ELPAP07: 802. 11b/g/n wireless LAN Module (Epson) Standard IEEE802.11b/g/n (Wi-Fi certificated) SSID 1 to 32 alphanumeric characters Connection mode...
Page 142: Setting Items For Software Setting Mode
Setting Items for Software Setting Mode For details about how to set the software setting mode, see "Software Setting Mode" on page 120. Setting Item Setting Values * Underlined values are the initial settings. 1st page 2nd page 3rd page 1: Print Current Settings 2: Print Density 1: Monochrome...
Page 143 Appendix Setting Item Setting Values * Underlined values are the initial settings. 1st page 2nd page 3rd page 8: Default 1: Code Page 4: Asia Page1:Katakana, Page20:KU42, Character Page21:TIS11(Thai), Page26:TIS18(Thai), (Continued from Page30:TCVN-3(Vietnamese), (Continued from the previous Page31:TCVN-3(Vietnamese), the previous page) Page52:WPC1258, page)
Page 144 Setting Item Setting Values * Underlined values are the initial settings. 1st page 2nd page 3rd page 13: Interface 1: Receive Buffer Capacity 4KB, 45 bytes Settings 2: BUSY Condition Receive Buffer Full or Offline, Receive Buffer Full 3: Auto Line Feed Always disabled, Always enabled 4: State to cancel buffer BUSY Not BUSY = 256 bytes,...
Page 145: Character Code Tables
Appendix Character Code Tables  The character code tables show only character configurations. They do not show the actual print pattern.  “SP” in the table shows a space. Common to All Pages When International character set (See "International Character Sets" on page 189.) is USA:...
Page 146: Pc437: Usa, Standard Europe]
Page 0 [PC437: USA, Standard Europe]...
Page 147: Katakana)
Appendix Page 1 (Katakana)
Page 148: Pc850: Multilingual)
Page 2 (PC850: Multilingual)
Page 149: Pc860: Portuguese)
Appendix Page 3 (PC860: Portuguese)
Page 150: Pc863: Canadian-French)
Page 4 (PC863: Canadian-French)
Page 151: Pc865: Nordic)
Appendix Page 5 (PC865: Nordic)
Page 152: Pc851: Greek)
Page 11 (PC851: Greek)
Page 153: Pc853: Turkish)
Appendix Page 12 (PC853: Turkish)
Page 154: Pc857: Turkish)
Page 13 (PC857: Turkish)
Page 155: Pc737: Greek)
Appendix Page 14 (PC737: Greek)
Page 156: Iso8859-7: Greek)
Page 15 (ISO8859-7: Greek)
Page 157: Wpc1252)
Appendix Page 16 (WPC1252)
Page 158: Pc866: Cyrillic #2)
Page 17 (PC866: Cyrillic #2)
Page 159: Pc852: Latin 2)
Appendix Page 18 (PC852: Latin 2)
Page 160: Pc858: Euro)
Page 19 (PC858: Euro)
Page 161: Thai Character Code 42)
Appendix Page 20 (Thai Character Code 42)
Page 162: Thai Character Code 11)
Page 21 (Thai Character Code 11)
Page 163: Thai Character Code 18)
Appendix Page 26 (Thai Character Code 18)
Page 164: Tcvn-3: Vietnamese)
Page 30 (TCVN-3: Vietnamese)
Page 165: Tcvn-3: Vietnamese)
Appendix Page 31 (TCVN-3: Vietnamese)
Page 166: Pc720: Arabic)
Page 32 (PC720: Arabic)
Page 167: Wpc775: Baltic Rim)
Appendix Page 33 (WPC775: Baltic Rim)
Page 168: Pc855: Cyrillic)
Page 34 (PC855: Cyrillic)
Page 169: Pc861: Icelandic)
Appendix Page 35 (PC861: Icelandic)
Page 170: Pc862: Hebrew)
Page 36 (PC862: Hebrew)
Page 171: Pc864: Arabic)
Appendix Page 37 (PC864: Arabic)
Page 172: Pc869: Greek)
Page 38 (PC869: Greek)
Page 173: Iso8859-2: Latin 2)
Appendix Page 39 (ISO8859-2: Latin 2)
Page 174: Iso8859-15: Latin 9)
Page 40 (ISO8859-15: Latin 9)
Page 175: Pc1098: Farsi)
Appendix Page 41 (PC1098: Farsi)
Page 176: Pc1118: Lithuanian)
Page 42 (PC1118: Lithuanian)
Page 177: Pc1119: Lithuanian)
Appendix Page 43 (PC1119: Lithuanian)
Page 178: Pc1125: Ukrainian)
Page 44 (PC1125: Ukrainian)
Page 179: Wpc1250: Latin 2)
Appendix Page 45 (WPC1250: Latin 2)
Page 180: Wpc1251: Cyrillic)
Page 46 (WPC1251: Cyrillic)
Page 181: Wpc1253: Greek)
Appendix Page 47 (WPC1253: Greek)
Page 182: Wpc1254: Turkish)
Page 48 (WPC1254: Turkish)
Page 183: Wpc1255: Hebrew)
Appendix Page 49 (WPC1255: Hebrew)
Page 184: Wpc1256: Arabic)
Page 50 (WPC1256: Arabic)
Page 185: Wpc1257: Baltic Rim)
Appendix Page 51 (WPC1257: Baltic Rim)
Page 186: Wpc1258: Vietnamese)
Page 52 (WPC1258: Vietnamese)
Page 187: Kz1048: Kazakhstan)
Appendix Page 53 (KZ1048: Kazakhstan)
Page 188: 188
Page 255...
Page 189: International Character Sets
Appendix International Character Sets ASCII code (Hex) Country ∗ ¥ ∗ France à ° ç § é ù è ¨ ∗ Germany § Ä Ö Ü ä ö ü β ∗ U.K. £ ¥ ∗ Denmark I Æ Ø Å æ...

Epson TM-T20II-i Technical Reference Manual

For Safety

Restriction of Use

About this Manual

Contents

Product Overview

Features

Product Configurations

Part Names and Functions

Online and Offline

Error Status

NV Memory

Setup

Flow of Setup

Application Development Information

EPSON Tmnet Webconfig

Status Sheet

Setting/Checking Modes

Easy Setup

Checking/Updating TM-I Firmware

Handling

Installing and Replacing Roll Paper

Removing Jammed Paper

Cleaning the Printer

Appendix

Quick Links

Related Manuals for Epson TM-T20II-i

Summary of Contents for Epson TM-T20II-i