Technical Reference Guide Product Overview Describes features and general specifications for the product. Setup Describes setup and installation of the product and peripherals. Application Development Information Describes how to control the printer and necessary information when you develop applications. Handling Describes how to handle the product. Replacement of the TM-T20 Describes precautions for replacement. Appendix Describes interfaces, connectors, and character code tables. M00056901 Rev.
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.
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 CAUTION Provides information that must be observed to prevent damage to the equipment or loss of data. Possibility of sustaining physical injuries. Possibility of causing physical damage. Possibility of causing information loss.
Warnings WARNING 4 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.
Cautions CAUTION 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.
About this Manual Aim of the Manual This manual was created to provide information on development, design, and installation of POS systems and development and design of printer applications for developers.
Contents ■ For Safety...............................................................................................................................3 Key to Symbols ....................................................................................................................................... 3 Warnings ................................................................................................................................................. 4 Cautions............................................
■ Product Specifications ....................................................................................................... 21 Printing Specifications..........................................................................................................................22 Character Specifications.....................................................................................................................23 Paper Specifications ...................................................................
■ Setting/Checking Modes...................................................................................................72 Self-test Mode ...................................................................................................................................... 72 NV Graphics Information Print Mode ................................................................................................ 74 Receipt Enhancement Information Print Mode........................................................
■ Character Code Tables ..................................................................................................... 96 Common to All Pages..........................................................................................................................96 Page 0 [PC437: USA, Standard Europe].............................................................................................97 Page 1 (Katakana)..........................................................................................
Chapter 1 Product Overview Product Overview This chapter describes features and general specifications of the product. Features Printing • High speed receipt printing is possible (200 mm/s maximum). • Shifting from 80 mm width paper printing to 58 mm width paper printing is available. 1 • Paper-saving function is supported. Handling • Easy drop-in paper loading Software • Command protocol is based on the ESC/POS® Proprietary Command System. • Windows printer drivers, OPOS ADK, OPOS for .
Product Configurations Interface • Serial + USB interface model • Ethernet + USB interface model • Ethernet interface model Colors EDG (Epson Dark Gray) Accessories Included • Roll paper (for operation check) • Power switch cover • Power switch waterproof cover • Wall hanging bracket • Screws for wall hanging bracket • Rubber feet for vertical installation • Control panel label for vertical installation • 58-mm width paper guide plate • Interface cable (only for serial + USB model) • AC adapter • AC cable
Chapter 1 Product Overview Part Names and Functions Roll paper cover Control panel Cutter cover 1 Cover open lever Power switch cover Manual cutter Power switch Power Switch Turns the printer on or off. The marks on the switch: ( : OFF/ : ON) To turn the printer on immediately after turning the printer off, wait until the LED lights go off, and then turn the power on. Before turning the printer off, it is recommended to send a power-off command to the printer.
Control Panel Power LED Error LED Paper LED Feed button When installing the printer vertically or hanging the printer on a wall, be sure to attach the included control panel label for vertical installation on the roll paper cover. The control panel label for vertical installation is upside down. Power LED (green) Lights when the power supply is on. Error LED (orange) • Lights after the power is turned on or after a reset (offline).
Chapter 1 Product Overview Offline The printer automatically goes offline under the following conditions: • During power on until the printer is ready • During the self-test • While roll paper is fed using the Feed button • When the roll paper cover is open • When the printer stops printing due to a paper end • During a macro execution standby state • When an error has occurred (See "Error Status" on page 17.
Connectors All cables are connected to the connector panel on the lower rear of the printer. UIB (Universal interface board) DK (Drawer kickout) connector RS-232 10BASE-T/100BASE-TX Power supply connector USB (Built-in) • DK (Drawer kick-out) connector: Connects the cash drawer or the optional external buzzer. See "Connecting the Cash Drawer" on page 58, and "Connecting the Optional External Buzzer" on page 55. • Interface connector: Connects the printer with the host computer interface.
Chapter 1 Product Overview Error Status When an error occurs, the printer stops operating, goes offline, and flashes the Error LED. There are three possible error types: automatically recoverable errors, recoverable errors, and unrecoverable errors. Automatically Recoverable Errors They can be recovered easily, as described below. Error Error description Roll paper cover open error The roll paper cover was opened during printing.
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 an unrecoverable error occurs. CAUTION Error Memory R/W error Error description After R/W checking, the printer does not work correctly. Error LED flashing pattern LED ON LED OFF Approx. 160 ms High voltage error The power supply voltage is extremely high. LED ON LED OFF Approx.
Chapter 1 Product Overview NV Memory (Non-Volatile Memory) The printer's NV memory stores data even after the printer power is turned off. NV memory contains the following memory areas for the user: • NV graphics memory • User NV memory • Memory switches • R/E (Receipt Enhancement) • User-defined page • Maintenance counter As a guide, NV memory rewriting should be used 10 times or less a day when you program applications.
R/E (Receipt Enhancement) Graphics, such as shop logos can be printed on top or bottom of receipts by setting R/E (Receipt Enhancement). For information about R/E, see "Setting the Memory Switches/Receipt Enhancement" on page 46. 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. For the character code table, see "Character Code Tables" on page 96.
Chapter 1 Product Overview Product Specifications Printing method Thermal line printing Printing direction Unidirectional with friction feed Paper feed speed 200 mm/s {7.87"/s} (continuous paper feeding with the Feed button) Cutting method Partial cut (cutting with one point in left edge left uncut) Interface Serial + USB interface models Serial (RS-232), USB [USB 2.0, Full-speed (12 Mbps)] Ethernet + USB interface models Ethernet (10BASE-T/100BASE-TX), USB [USB 2.
Printing Specifications 80 mm width paper printing Printing method Thermal line printing Dot density 203 × 203 dpi Paper width Character spacing 58 mm width paper printing Standard mode (initial setting) 72.0 mm {2.83"}, 576 dots 52.5 mm {2.07"}, 420 dots 42 column mode 68.3 mm {2.69"}, 546 dots 47.3 mm {1.86"}, 378 dots Standard mode (initial setting) Font A 0.25 mm {0.0098"} (2 dots) Font B 0.25 mm {0.0098"} (2 dots) 42 column mode Font A 0.38 mm {0.015"} (3 dots) 0.25 mm {0.
Chapter 1 Product Overview Character Specifications Number of characters • Alphanumeric characters: 95 • Extended graphics: 128 × 43 pages (including user-defined page) • International characters: 18 sets Character structure 80 mm width paper printing 58 mm width paper printing 1 Standard mode (initial setting) Font A 12 × 24 (including 2-dot horizontal spacing) Font B 9 × 17 (including 2-dot horizontal spacing) 42 column mode Font A* 13 × 24 (including 3-dot horizontal spacing) 9 × 17 (includi
Character size Standard/Double-height/Double-width/Double-width, double-height W×H 80 mm width paper printing Standard mode 42 column mode 58 mm width paper printing Font A 1.25 × 3.00 mm/1.25 × 6.00 mm/2.50 × 3.00 mm/2.50 × 6.00 mm {0.05 × 0.12"/0.05 × 0.24"/0.10 × 0.12"/0.10 × 0.24"} Font B 0.88 × 2.13 mm/0.88 × 4.26 mm/1.76 × 2.13 mm/1.76 × 4.26 mm {0.03 × 0.08"/0.03 × 0.17"/0.07 × 0.08"/0.07 × 0.17"} Font A 1.25 × 3.00 mm/1.25 × 6.00 mm/ 2.50 × 3.00 mm/2.50 × 6.00 mm {0.05 × 0.12"/0.05 × 0.
Chapter 1 Product Overview Paper Specifications 80 mm width paper printing Paper types Specified thermal paper Form Roll paper Size 58 mm width paper printing Roll paper diameter 83 mm {3.27"} maximum Roll paper core Inside: 12 mm {0.47"}, Outside: 18 mm {0.71"} Roll width when taken up 80 + 0.5/-1.0 mm {3.15 + 0.02/-0.04"} 58 + 0.5/-1.0 mm {2.28 + 0.02/-0.04"} Paper width 79.5 ± 0.5 mm {3.13 ± 0.02"} 57.5 ± 0.5 mm {2.26 ± 0.
Printable Area 80 mm paper width printing The maximum printable area of paper with a width of 79.5 ± 0.5 mm is 72.0 ± 0.2 mm (576 dots) and the approximate space is 3.0 mm on the left side on the left side and 4.5 mm on the right side. 79.5 ± 0.5 mm {3.13 ± 0.02”} 72.0 ± 0.2 mm {2.83 ± 0.008”} 3.0 mm {0.12”} 4.5 mm {0.18”} 58 mm paper width printing The maximum printable area of paper with a width of 57.5 ± 0.5 mm is 52.5 ± 0.2 mm (420 dots), and the approximate space is 3.0 mm on the left side and 2.
Chapter 1 Product Overview Printing and Cutting Positions Manual-cutter position Approx. 27.1 mm {1.07"} Autocutter blade position Approx. 10.5 mm {0.41"} 1 Center of the print dotline 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.
Electrical Characteristics Operating voltage DC 24V ± 7% Current consumption Standby Mean: Approximately 0.1 A (24V, 25°C, standard print density) Operating Mean: Approximately 1.
Chapter 1 Product Overview Environmental Conditions Temperature/ Humidity Operating 5 to 45°C {41 to 113°F}, 10 to 90% RH (See the operating temperature and humidity range below.
External Dimensions and Mass • Height: Approximately 146 mm {5.75"} • Width: Approximately 140 mm {5.51"} • Depth: Approximately 199 mm {7.83"} • Mass: Approximately 1.7 kg {3.74 lb} (except for roll paper) 140 mm {5.51"} 199 mm {7.83"} 146 mm {5.
Chapter 2 Setup Setup This chapter describes setup and installation of the product and peripherals. Flow of Setup This chapter consists of the following sections along with the setup flow of the product and peripherals. 1. Installing the Printer (page 32) 2. Changing the Paper Width (page 37) 2 3. Connecting the Printer to the Host Computer (page 38) 4. Connecting to the Power Source (page 44) 5. Setting the Memory Switches/Receipt Enhancement (page 46) 6.
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. Horizontal installation Vertical installation Hanging on a wall 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. Do not place the printer in dusty locations.
Chapter 2 Setup Installing the Printer Vertically When installing the printer 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 printer case, as shown in the illustration below.
Hanging the Printer on a Wall To hang the printer on the wall, follow the steps below. To fix the printer securely, hang the printer on a wall made of wood, concrete, or metal. The thickness of the wall should be 10 mm or more. Be sure to use metallic screws. The screws on the wall side must have a pull-out strength of 150 N (15.3 kgf) or more. 1 Attach the included control panel label for vertical installation on the roll paper cover.
Chapter 2 Setup 3 Remove the screws retaining the printer case, install the wall hanging bracket on the printer, and fix it using the screws. Screws Wall hanging bracket 4 Align the holes in the wall hanging bracket with the screws on the wall, and hook it securely.
Attaching Cover on the Power Switch Install the power switch cover that comes with the TM-T20II onto the printer to prevent inadvertent operation of the power switch and to prevent tampering. To reset the printer when the power switch cover is installed, insert a long, thin object (such as the end of a paper clip) into the hole in the power switch cover and press the power switch. A waterproof cover for the power switch can also be attached.
Chapter 2 Setup 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 printer, you cannot change it back to 80 mm. 1 2 Open the roll paper cover.
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 a telephone line. For USB interface models, do not turn on the printer before installing the printer driver. For Ethernet interface models, do not connect a telephone line or DK cable to the Ethernet connector.
Chapter 2 Setup Pass-through connection This printer is connected to the host computer through the serial interface via the customer display (DM-D). AC Adapter + AC cable Extended power cable DK cable Serial cable Serial cable DM-D TM-T20II Cash drawer Connecting the serial interface (RS-232) cable Be sure to turn off the power supply for both the printer and host computer before connecting the cables. WARNING 1 2 3 2 Insert the serial cable connector firmly into the serial interface connector.
For USB Interface USB interface connection diagram This printer is connected to the host computer via the USB port. When a customer display (DM-D) is to be connected, connect it to the host computer via the serial port or USB port.
Chapter 2 Setup Connecting the USB interface cable 1 Insert the USB cable into the USB interface connector of the printer. 2 Put the USB cable through the locking wire saddle. Putting the USB cable through the locking wire saddle, as shown in the figure below, prevents the cable from coming unplugged. Locking wire saddle 2 3 Connect the other end of the USB cable to the host computer.
For Ethernet Interface Connect the printer to a network by a LAN cable via a hub.
Chapter 2 Setup Connecting the LAN cable CAUTION 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. Otherwise, the devices can be damaged by lightning. Never attempt to connect the customer display cable, DK cable, or a telephone line cable to the 10/100BASE-T LAN connector. To use the Ethernet interface, EpsonNet Config is required.
Connecting to the Power Source WARNING Never insert the AC cable plug into a socket that does not meet the rated voltage requirements of the printer. 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. Connecting the AC cable 1 Make sure the printer is turned off. 2 Connect the AC cable to the AC adapter.
Chapter 2 Setup 4 Insert the AC plug into a wall socket.
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, Software Setting Mode, or ESC/POS commands, to set the memory switches and R/E functions.
Chapter 2 Setup For information about the TM-T20II Utility, see the TM-T20II Utility User’s Manual. For information about how to use the software setting mode, see "Software Setting Mode" on page 78. For information about ESC/POS commands, see the ESC/POS Quick Reference or the ESC/POS Command Reference.
Paper width • 80 mm (initial setting) • 58 mm To change the paper width, you need to install the 58-mm width paper guide plate. For information about how to change the paper width, see "Changing the Paper Width" on page 37. 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.
Chapter 2 Setup Character code table default Selectable from 43 pages including user defined page Initial setting: Page 0 (PC437: USA, Standard Europe) For the character code table, see "Character Code Tables" on page 96. International character default Selectable from 18 sets Initial setting: USA For the character code table, see "International Character Sets" on page 140.
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) • Does not cut Paper reduction Extra upper space reduction • Disabled (initial setting) • Enabled Extra lower space reduction • Disabled (initial setting) • Enabled Line space reduction rate • Not reduced (initial setting) • 25% • 50% • 75% Line feed reduction rate • Not reduced (init
Chapter 2 Setup Barcode height reduction rate • Not reduced (initial setting) • 25% • 50% • 75% 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 2 • Does not replace (initial setting) • Font A This function is enabled only when Number of columns is set to Standard mode.
Buzzer frequency (Autocut) • Does not sound • Sounds 1 time (initial setting) 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) • Does not sound • Sounds 1 time (initial setting) Logo 180 dpi emulation mode • Standard logo mode (initial setting) • 180 dpi logo mode Set to 180 dpi logo
Chapter 2 Setup Parity • None (initial setting) • Even • Odd Data bit • 7 bits • 8 bits (initial setting) If set to 7 bits, printing from a printer driver is not possible. Flow control • DTR/DSR (initial setting) • XON/XOFF 2 Communication condition of USB interface • USB printer class (initial setting) • USB vendor-defined class Auto top logo TM-T20II Utility does not support the function for Number of lines to be deleted below top logo.
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.
Chapter 2 Setup Connecting the Optional External Buzzer When the optional external buzzer (model: OT-BZ20) is connected to the DK connector of the printer, you can set the printer so that it beeps when you send commands, when an error occurs, when executed autocutting, and when detected paper end. Settings for sound patterns and frequency depending on the occasions the buzzer beeps are also available.
Connecting the Buzzer Unit The buzzer unit is recommended to be installed in the following positions. • When using the printer horizontally: either side • When using the printer vertically: side or top • When using the printer on the wall: side, top, or bottom Horizontal installation Vertical/Wall-hanging installation Do not install the buzzer unit at the roll paper exit.
Chapter 2 Setup 4 Connect the cable of the buzzer unit to the DK connector on the printer. DK connector 5 Peel off the backing paper on the other side of the affixing tape, and attach the buzzer unit to the printer case.
Connecting the Cash Drawer Do not connect both the optional external buzzer and the cash drawer to the printer at the same time by using a branched connector. When the optional external buzzer is enabled with the memory switch (see "Setting the Memory Switches/Receipt Enhancement" on page 46), a cash drawer cannot be used. Be sure to disable it when you use a cash drawer. Two driver transistors cannot be energized simultaneously.
Chapter 2 Setup Drawer Connection Diagram F.G 1 DK connector With shielded 2 3 Drawer kick-out solenoid +24V 4 Control device 5 6 Printer side Drawer open/ close switch 6 5 4 3 2 1 User side [Drawer kick-out side] 2 Connecting the DK cable WARNING Use a shield cable for the DK cable. Do not insert a telephone line into the DK connector. Doing so may damage the telephone line or printer. Connect the DK cable to the DK connector by pressing firmly until the connector clicks into place.
Chapter 3 Application Development Information Application Development Information This chapter describes how to control the printer and gives information useful for printer application development. How to Control the Printer Use a driver or ESC/POS commands to control the printer. Selecting a Driver Choose one of the drivers listed in "Printer Drivers" on page 68, depending on the application operating environment. You cannot control a single printer with more than one driver.
ESC/POS Commands ESC/POS is the Epson original printer command system. With ESC/POS commands, you can directly control all the TM printer functions, but detailed knowledge of printer specifications or combination of commands is required, compared to using a driver. The ESC/POS command functions are listed as follows. For detailed information about ESC/ POS commands, see the ESC/POS Quick Reference or the ESC/POS Command Reference.
Chapter 3 Application Development Information Select character font Select an international character set Turn 90° clockwise rotation mode on/off Select character code table Turn upside-down print mode on/off Select character size Turn white/black reverse print mode on/off Turn smoothing mode on/off Commands for panel buttons Enable/disable panel buttons Commands for print positions Horizontal tab Set absolute print position Set horizontal tab positions Select print direction in page mode 3 Set print are
Delete the specified NV graphics data Define the NV graphics data (raster format) Print the specified NV graphics data Transmit the key code list for defined download graphics Delete all download graphics data Delete the specified download graphics data Define the downloaded graphics data (raster format) Print the specified download graphics data Store the graphics data in the print buffer (raster format) Define downloaded bit image Print downloaded bit image Define Windows BMP NV graphics data Define Windo
Chapter 3 Application Development Information PDF417: Store the data in the symbol storage area PDF417: Print the symbol data in the symbol storage area PDF417: Transmit the size information of the symbol data in the symbol storage area QR Code: Select the model QR Code: Set the size of module QR Code: Select the error correction level QR Code: Store the data in the symbol storage area QR Code: Print the symbol data in the symbol storage data area QR Code: Transmit the size information of the symbol data i
Change into the user setting mode End the user setting mode session Set values for the memory switch Transmit the setting of the memory switch Set the customized setting values Transmit the customized setting values Set conditions for serial interface communication Transmit conditions for serial interface communication Set conditions for USB interface communication Transmit conditions for USB interface communication Commands for macro function Start/end macro definition Execute macro Commands for receipt en
Chapter 3 Application Development Information Select standard mode Generate pulse Execute test print Enable/disable real-time command Specifies the process ID response Select the print control mode Select the print speed Transmit printer ID Set horizontal and vertical motion units Initialize maintenance counter Transmit maintenance counter 3 67
Software and Manuals The following software and manuals are provided for application development. Printer Drivers Software EPSON Advanced Printer Driver (APD): APD Install Manual In addition to ordinary Windows driver functions, this driver has controls specific to POS, such as controls for paper cut, a cash drawer, and customer display. The Status API (Epson original DLL) that monitors printer status and sends ESC/POS commands is also attached to this driver.
Chapter 3 Application Development Information Software EPSON TM Virtual Port Driver: Manual TM Virtual Port Driver User’s Manual This driver is a Serial-USB/Ethernet and Parallel-USB/ Ethernet conversion driver to make an EPSON TM/BA/ EU printer connected via USB/Ethernet accessible from a POS application through virtual COM ports and a virtual LPT port.
Utilities Software Manual TM-T20II Utility: TM-T20II Software User’s Manual Use for the following functions: Checking current settings Operation check Storing logos Coupon settings Paper reduction settings Automatic paper cut settings Printing control settings Font settings Optional buzzer settings Communication I/F settings Backup/restore TM-T20II Utility User’s Manual EpsonNet Config: EpsonNet Config Operations Guide Use for IP address setting.
Chapter 3 Application Development Information How to Get Drivers, Manuals, and the Utility Drivers, manuals, and the TM-T20II Utility can be installed by the TM-T20II installer in the included TM-T20II Software & Documents Disc. • For customers in North America, go to the following web site: http://www.epsonexpert.com/ • For customers in other countries, go to the following web site: http://download.epson-biz.
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 • NV Graphics Information Print Mode (page 74) • Receipt Enhancement Information Print Mode (page 76) • Software Setting Mode (page 78) • Hexadecimal Dumping Mode (page 80) Self-test Mode In the self-test mode, the printer prints the current printer status and a rolling pattern test print of resident characters.
Chapter 3 Application Development Information Starting the self-test mode Follow the steps below to run this mode. 1 2 Close the roll paper cover. While pressing the Feed button, turn on the printer. (Keep pressing the Feed button until the printer starts printing.) The printer starts printing current status of the printer. When the printer finishes printing the printer status, the following message is printed and the Paper LED flashes. (The printer is now in the self-test wait mode.
NV Graphics Information Print Mode You can confirm the following information by running the NV graphics information print mode: • Capacity of the NV graphics • Used capacity of the NV graphics • Unused capacity of the NV graphics • Number of NV graphics that are registered • Key code, number of dots in X direction, number of dots in Y direction, number of colors to be defined. • NV graphics data Starting the NV graphics information print mode Follow the steps below to run this mode.
Chapter 3 Application Development Information 3 Press the Feed button for 1 second or more to enter the Mode Selection. The printer starts printing instructions. Mode Selection Modes 0 : Exit and Reboot Printer 1 : NV Graphics Information 2 : Receipt Enhancement Information 3 : Customize Value Settings 4 : or more: None Select Modes by executing following procedure. step 1. Press the Feed button less than 1 second as many times as the selected mode number. step 2. Press Feed button for 1 second or more.
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 Starting the R/E information print mode Follow the steps below to run this mode. 1 2 Close the roll paper cover. While pressing the Feed button, turn on the printer. (Keep pressing the Feed button until the printer starts printing.
Chapter 3 Application Development Information 3 Press the Feed button for 1 second or more to enter the Mode Selection. The printer starts printing instructions. Mode Selection Modes 0 : Exit and Reboot Printer 1 : NV Graphics Information 2 : Receipt Enhancement Information 3 : Customize Value Settings 4 : or more: None Select Modes by executing following procedure. step 1. Press the Feed button less than 1 second as many times as the selected mode number. step 2. Press Feed button for 1 second or more.
Software Setting Mode Starting the Software setting mode Follow the steps below to run this mode. 1 2 Close the roll paper cover. While pressing the Feed button, turn on the printer. (Keep pressing the Feed button until the printer starts printing.) The printer starts printing current status of the printer. When the printer finishes printing the printer status, the following message is printed and the Paper LED flashes. (The printer is now in the self-test wait mode.
Chapter 3 Application Development Information 4 Press the Feed button three times, and then hold down the Feed button until the printer starts printing the setting instructions.
7 Turn off the printer or select "Exit" and "Exit and Reboot Printer" to exit this mode. To select the item number 0, hold down the Feed button until the printer starts printing. If you pressed the button for the number of times that is not listed on the print, the operation is invalid, and the same result is printed again. 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.
Chapter 4 Handling Handling This chapter describes basic handling of the printer. Installing and Replacing Roll Paper CAUTION Do not open the roll paper cover during printing or autocutting. The printer may be damaged. Do not touch the manual cutter with your hands when installing or replacing the roll paper. Otherwise, you may be injured because the manual cutter blade is sharp. Use roll paper that meets the printer specification.
3 Install the roll paper in the correct direction. 4 Pull out some roll paper, and close the roll paper cover. When the printer power is on, the roll paper is automatically cut.
Chapter 4 Handling Removing Jammed Paper Do not touch the thermal head. (See "Cleaning the Printer" on page 85.) 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. 1 Turn off the printer. 2 Open the roll paper cover by using the cover open lever.
3 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 Attach the cutter cover. 84 4 Remove the jammed paper. 5 Close the roll paper cover and turn on the printer.
Chapter 4 Handling Cleaning the Printer Cleaning the Printer Case Be sure to turn off the printer, and wipe the dirt off the printer case with a dry cloth or a damp cloth. Never clean the product with alcohol, benzine, thinner, or other such solvents. Doing so may damage or break the parts made of plastic and rubber. CAUTION Cleaning the Thermal Head/Platen Roller Epson recommends cleaning the thermal head periodically (generally every 3 months) to maintain receipt print quality.
Preparing for Transport Follow the steps below to transport the printer. 86 1 Turn off the printer. 2 Disconnect the AC cable from the socket. 3 Remove the roll paper. 4 Pack the printer upright.
Chapter 5 Replacement of the TM-T20 Replacement of the TM-T20 The TM-T20II is designed so that it can smoothly replace the TM-T20. This chapter describes precautions for the replacement. Additional Functions and Functional Improvements Print Speed The TM-T20II has increased its print speed up to a maximum of 200 mm/s. Maximum print speed TM-T20II TM-T20 200 mm/s {7.87"/s} 150 mm/s {5.
Appendix Appendix Specifications of Interface and Connector USB (Universal Serial Bus) Interface USB interface connector Has a USB upstream port connector (USB type-B connector) USB transmission specifications USB function Overall specifications According to USB 2.
RS-232 Serial Interface Interface board specifications (RS-232-compliant) Item Specifications Data transfer method Serial Synchronization Asynchronous Handshake Select one of the following with the memory switch: DTR/DSR Signal level XON/XOFF MARK -3V to -15V logic “1”/OFF SPACE +3V to +15V logic “0”/ON Transmission speed Select one of the following with the memory switch: 2400/4800/9600/19200/38400/57600/115200 bps [bps: bits per second] Bit length Select one of the following with the
Appendix Functions of each connector pin Pin no. Signal name Signal direction Function 1 FG — Frame ground 2 TXD Output Transmission data 3 RXD Input Reception data 4 RTS Output Equivalent to DTR signal 6 DSR Input This signal indicates whether the host computer can receive data. SPACE indicates that the host computer can receive data. MARK indicates that the host computer cannot receive data.
XON/XOFF When XON/XOFF control is selected, the printer transmits the XON or XOFF signals as follows. The transmission timing of XON/XOFF differs, depending on the setting of the memory switch.
Appendix Setting Conditions for Software Setting Mode For information about setting the Software Setting Mode, see "Software Setting Mode" on page 78. Setting Items 1st page Selection of software settings 2nd page The initial setting is underlined.
Setting Items 1st page 8: Default Character (Continued from the previous page) 2nd page 1: Code Page 3rd page The initial setting is underlined.
Appendix Setting Items 1st page 13: Interface Settings 2nd page 3rd page The initial setting is underlined.
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 140.
Appendix Page 0 [PC437: USA, Standard Europe] 97
Page 1 (Katakana) 98
Appendix Page 2 (PC850: Multilingual) 99
Page 3 (PC860: Portuguese) 100
Appendix Page 4 (PC863: Canadian-French) 101
Page 5 (PC865: Nordic) 102
Appendix Page 11 (PC851: Greek) 103
Page 12 (PC853: Turkish) 104
Appendix Page 13 (PC857: Turkish) 105
Page 14 (PC737: Greek) 106
Appendix Page 15 (ISO8859-7: Greek) 107
Page 16 (WPC1252) 108
Appendix Page 17 (PC866: Cyrillic #2) 109
Page 18 (PC852: Latin2) 110
Appendix Page 19 (PC858: Euro) 111
Page 20 (KU42: Thai) 112
Appendix Page 21 (TIS11: Thai) 113
Page 26 (TIS18: Thai) 114
Appendix Page 30 (TCVN-3: Vietnamese) 115
Page 31 (TCVN-3: Vietnamese) 116
Appendix Page 32 (PC720: Arabic) 117
Page 33 (WPC775: Baltic Rim) 118
Appendix Page 34 (PC855: Cyrillic) 119
Page 35 (PC861: Icelandic) 120
Appendix Page 36 (PC862: Hebrew) 121
Page 37 (PC864: Arabic) 122
Appendix Page 38 (PC869: Greek) 123
Page 39 (ISO8859-2: Latin2) 124
Appendix Page 40 (ISO8859-15: Latin9) 125
Page 41 (PC1098: Farsi) 126
Appendix Page 42 (PC1118: Lithuanian) 127
Page 43 (PC1119: Lithuanian) 128
Appendix Page 44 (PC1125: Ukrainian) 129
Page 45 (WPC1250: Latin 2) 130
Appendix Page 46 (WPC1251: Cyrillic) 131
Page 47 (WPC1253: Greek) 132
Appendix Page 48 (WPC1254: Turkish) 133
Page 49 (WPC1255: Hebrew) 134
Appendix Page 50 (WPC1256: Arabic) 135
Page 51 (WPC1257: Baltic Rim) 136
Appendix Page 52 (WPC1258: Vietnamese) 137
Page 53 (KZ1048: Kazakhstan) 138
Appendix Page 255 (User-Defined Page) 139
International Character Sets Country ASCII code (Hex) 23 24 25 2A 40 5B 5C 5D 5E 60 7B 7C 7D 7E ] ^ ` { | } ~ USA France # $ % * @ [ # $ % * à ° ç § ^ ` é ù è ¨ Germany # $ % * § Ä Ö Ü ^ ` ä ö ü β U.K.
