Epson TM-T20II Technical Reference Manual
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Epson TM-T20II Technical Reference Manual

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Table of Contents

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See also: Software User Manual , User Manual
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. B

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Summary of Contents for Epson TM-T20II

  • Page 1 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.
  • 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...

  • 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: About This Manual

    About this Manual Aim of the Manual This manual was created to provide information on development, design, and installation of POS systems and development and design of printer applications for developers. Manual Content The manual is made up of the following sections: Chapter 1 Product Overview Chapter 2...

  • Page 7: Table Of Contents

    Contents ■ For Safety..........................3 Key to Symbols ............................3 Warnings ..............................4 Cautions..............................5 ■ Restriction of Use ........................5 ■ About this Manual ........................6 Aim of the Manual..........................6 Manual Content ............................ 6 ■ Contents ..........................7 Product Overview ................11 ■ Features ..........................11 ■...
  • Page 8 ■ Product Specifications ....................... 21 Printing Specifications..........................22 Character Specifications........................23 Paper Specifications ..........................25 Printable Area............................26 Printing and Cutting Positions......................27 Electrical Characteristics........................28 Environmental Conditions ........................29 External Dimensions and Mass......................30 Setup .....................31 ■ Flow of Setup........................31 ■ Installing the Printer......................32 Installing the Printer Vertically ......................33 Hanging the Printer on a Wall ......................34 Attaching Cover on the Power Switch....................36 ■...
  • Page 9 ■ Setting/Checking Modes....................72 Self-test Mode ............................72 NV Graphics Information Print Mode ....................74 Receipt Enhancement Information Print Mode................76 Software Setting Mode ........................78 Hexadecimal Dumping Mode ......................80 Handling ..................81 ■ Installing and Replacing Roll Paper..................81 ■ Removing Jammed Paper....................83 ■...
  • Page 10 ■ Character Code Tables ..................... 96 Common to All Pages..........................96 Page 0 [PC437: USA, Standard Europe].....................97 Page 1 (Katakana)..........................98 Page 2 (PC850: Multilingual) .......................99 Page 3 (PC860: Portuguese) ......................100 Page 4 (PC863: Canadian-French)....................101 Page 5 (PC865: Nordic) ........................102 Page 11 (PC851: Greek) ........................103 Page 12 (PC853: Turkish)........................104 Page 13 (PC857: Turkish)........................105 Page 14 (PC737: Greek) ........................106...

  • Page 11: Product Overview

    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. •...

  • Page 12: Product Configurations

    • 58-mm width paper guide plate • Interface cable (only for serial + USB model) • AC adapter • AC cable • TM-T20II Software & Documents Disc containing drivers, utilities, and documentation • Setup Guide • Warranty certificate Options • Affixing tape for fixing the printer (Model: DF-10)

  • Page 13: Part Names And Functions

    Chapter 1 Product Overview Part Names and Functions Roll paper cover Control panel Cutter cover 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.

  • Page 14: Control Panel

    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.

  • Page 15: 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 •...

  • Page 16: Connectors

    Connectors All cables are connected to the connector panel on the lower rear of the printer. (Universal interface board) DK (Drawer kick- RS-232 out) connector 10BASE-T/100BASE-TX Power supply connector (Built-in) • DK (Drawer kick-out) connector: Connects the cash drawer or the optional external buzzer. "Connecting the Cash Drawer"...

  • Page 17: Error Status

    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 Error LED flashing pattern...

  • Page 18: 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 an unrecoverable error occurs. CAUTION Error Error description Error LED flashing pattern...

  • Page 19: Nv Memory (Non-Volatile Memory)

    Use the TM-T20II Utility to register graphics. You can also use the TM-T20II Utility or the NV graphics information print mode to print and confirm the registered graphics.

  • Page 20: R/E (Receipt Enhancement)

    NV memory. You can read the information with the Status API of the APD, OPOS ADK, or ESC/ POS commands to use it for periodical checks or part replacement. You can also check the head running length and number of times of autocutting with the self-test (see "Self-test Mode" on page 72.) and the TM-T20II Utility.

  • Page 21: Product Specifications

    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)]...

  • Page 22: Printing Specifications

    Printing Specifications 80 mm 58 mm width paper printing width paper printing Printing method Thermal line printing Dot density 203 × 203 dpi Paper Standard mode (initial setting) 72.0 mm {2.83"}, 576 dots 52.5 mm {2.07"}, 420 dots width 42 column mode 68.3 mm {2.69"}, 546 dots 47.3 mm {1.86"}, 378 dots Character...

  • Page 23: Character Specifications

    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 58 mm width paper printing width paper printing Standard mode Font A 12 ×...

  • Page 24: Character Size

    Character size Standard/Double-height/Double-width/Double-width, double-height W × H 80 mm 58 mm width paper printing width paper printing Standard mode 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 ×...

  • Page 25: Paper Specifications

    Chapter 1 Product Overview Paper Specifications 80 mm 58 mm width paper printing width paper printing Paper types Specified thermal paper Form Roll paper Size 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 58 + 0.5/-1.0 mm...

  • Page 26: Printable Area

    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 ±...

  • Page 27: Printing And Cutting Positions

    Chapter 1 Product Overview Printing and Cutting Positions Manual-cutter position Approx. 27.1 mm {1.07"} Approx. 10.5 mm {0.41"} Autocutter blade position 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.

  • Page 28: Electrical Characteristics

    Electrical Characteristics Operating voltage DC 24V ± 7% Current consumption Standby Mean: Approximately 0.1 A (24V, 25°C, standard print density) Operating Mean: Approximately 1.8 A Note: When print ratio is approximately 18%  Continuous printing for 50 lines (repeating 20H-7FH) ...

  • Page 29: 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 30: External Dimensions And Mass

    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 {5.75"}...

  • Page 31: Setup

    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. Installing the Printer (page 32) Changing the Paper Width (page 37) Connecting the Printer to the Host Computer (page 38) Connecting to the Power Source (page 44)

  • Page 32: Installing The Printer

    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...

  • Page 33: Installing The Printer Vertically

    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. Control panel label for vertical installation Rubber feet...

  • Page 34: Hanging The Printer On A Wall

    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. ...
  • Page 35 Chapter 2 Setup 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 Align the holes in the wall hanging bracket with the screws on the wall, and hook it securely.

  • Page 36: Attaching Cover On The Power Switch

    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.

  • Page 37: Changing The Paper Width

    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.

  • Page 38: Connecting The Printer To The Host Computer

    (DM-D) is to be connected, connect it to the host computer via the serial port or USB port. AC Adapter + AC cable DM-D Extension cable (Serial I/F model) for power supply Serial cable Cash drawer TM-T20II DK cable Serial cable DM-D (USB I/F model) AC Adapter + AC cable USB cable Cash drawer TM-T20II...
  • Page 39 DK cable Serial cable Serial cable DM-D Cash drawer TM-T20II 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 Insert the serial cable connector firmly into the serial interface connector.

  • Page 40: For Usb Interface

    (DM-D) is to be connected, connect it to the host computer via the serial port or USB port. AC Adapter + AC cable DM-D Extension cable (Serial I/F model) for power supply Serial cable Cash drawer TM-T20II USB cable DK cable DM-D (USB I/F model) AC Adapter + AC cable USB cable Cash drawer...

  • Page 41: Connecting The Usb Interface Cable

    Chapter 2 Setup Connecting the USB interface cable Insert the USB cable into the USB interface connector of the printer. 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.

  • Page 42: For Ethernet Interface

    For Ethernet Interface Connect the printer to a network by a LAN cable via a hub. Ethernet interface connection diagram TM-T20II Cash drawer DK cable 10/100BASE-T...

  • Page 43: Connecting The Lan Cable

    Chapter 2 Setup Connecting the LAN cable  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. CAUTION Otherwise, the devices can be damaged by lightning. ...

  • Page 44: Connecting To The Power Source

    Connecting to the Power Source  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. WARNING  Should a fault ever occur, immediately turn off the power to the printer and unplug the AC cable from the wall socket.
  • Page 45 Chapter 2 Setup Insert the AC plug into a wall socket.

  • Page 46: Setting The Memory Switches/Receipt Enhancement

    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.

  • Page 47: 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  For information about ESC/POS commands, see the ESC/POS Quick Reference or the ESC/POS Command Reference.

  • Page 48: Paper Width

    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 Print density Selectable from levels 1 to 7 (85% ...
  • Page 49 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 International character default Selectable from 18 sets Initial setting: USA For the character code table, see "International Character Sets"...
  • Page 50 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 •...
  • Page 51 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 •...
  • Page 52 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...
  • Page 53 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. Key-code Selectable from key-codes of registered logos Alignment •...
  • Page 54 • 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  Top logo print while clearing the buffer to recover from a recoverable error ...

  • Page 55: Connecting The Optional External Buzzer

    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.

  • Page 56: Connecting The Buzzer Unit

    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...
  • Page 57 Chapter 2 Setup Connect the cable of the buzzer unit to the DK connector on the printer. DK connector Peel off the backing paper on the other side of the affixing tape, and attach the buzzer unit to the printer case. Printer case...

  • Page 58: Connecting The Cash Drawer

    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"...

  • Page 59: Connecting The Dk Cable

    Chapter 2 Setup Drawer Connection Diagram DK connector With shielded Drawer kick-out solenoid +24V Control device Drawer open/ close switch 6 5 4 3 2 1 Printer side User side [Drawer kick-out side] Connecting the DK cable  Use a shield cable for the DK cable. ...

  • Page 61: Application Development Information

    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"...

  • Page 62: Esc/Pos Commands

    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.
  • Page 63 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...
  • Page 64 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...
  • Page 65 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...
  • Page 66 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...
  • Page 67 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...

  • Page 68: Software And Manuals

    POS, such as controls for paper cut, a cash drawer, and customer display. The  Status API Manual Status API (Epson original DLL) that monitors printer  Devmode API/PRINTERINFO Manual status and sends ESC/POS commands is also ...
  • Page 69 Windows drivers. It is not a driver to be used for printing from commercial applications. *2: This guide describes general information on how to control printers using the OPOS ADK (in the chapter “POS Printer” and “Appendix-A”). It does not describe Epson’s specific functions.

  • Page 70: Utilities

    TM/BA/EU Printer Remote Configuration Tool User’s Manual This is a package of EpsonNet Simple Viewer and TM-T20II Utility. First install this software in the computer with the administrator's authority, and set up the firewall. Next, install the printer driver in each client computer and set up the firewall.

  • Page 71: How To Get Drivers, Manuals, And The Utility

    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/...

  • Page 72: Setting/Checking Modes

    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 • Receipt Enhancement Information Print Mode (page • Software Setting Mode (page •...
  • Page 73 Chapter 3 Application Development Information Starting the self-test mode Follow the steps below to run this mode. 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.

  • Page 74: Nv Graphics Information Print 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 •...
  • Page 75 Chapter 3 Application Development Information 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...

  • Page 76: Receipt Enhancement Information Print Mode

    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.
  • Page 77 Chapter 3 Application Development Information 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...

  • Page 78: Software Setting Mode

    Software Setting Mode Starting the Software setting mode Follow the steps below to run this mode. 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.
  • Page 79 Chapter 3 Application Development Information Press the Feed button three times, and then hold down the Feed button until the printer starts printing the setting instructions. Customize Value Settings Modes 0 : Exit 1 : Print Current Settings 2 : Print Density 3 : Printing Speed 4 : Serial Interface Settings 5 : Auto Paper Feed&Cut at cover close...

  • Page 80: Hexadecimal Dumping Mode

    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.

  • Page 81: Handling

    Chapter 4 Handling Handling This chapter describes basic handling of the printer. Installing and Replacing Roll Paper  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 CAUTION roll paper.
  • Page 82 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 83: Removing Jammed Paper

    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. Turn off the printer.
  • Page 84 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 open- ing.

  • Page 85: 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 86: Preparing For Transport

    Preparing for Transport Follow the steps below to transport the printer. Turn off the printer. Disconnect the AC cable from the socket. Remove the roll paper. Pack the printer upright.

  • Page 87: Replacement Of The Tm-T20

    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.

  • Page 89: Appendix

    USB vendor-defined class USB printer class Vendor ID 04b8h 04b8h Product ID 0202h 0E15h String Descriptor Manufacturer EPSON EPSON Product TM-T20II TM-T20II Serial number Character string based on Character string based on the product serial number the product serial number...

  • Page 90: Rs-232 Serial Interface

    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  XON/XOFF Signal level 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...

  • Page 91: Functions Of Each Connector Pin

    Appendix Functions of each connector pin Pin no. Signal name Signal direction Function — Frame ground Output Transmission data Input Reception data Output Equivalent to DTR signal Input This signal indicates whether the host computer can receive data. SPACE indicates that the host computer can receive data.

  • Page 92: Ethernet Interface

    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. Memory switch 1-3 Signal Printer status 1 (ON) 0 (OFF) 1) When the printer goes online after turning on the power Transmit Transmit...

  • Page 93: Setting Conditions For Software Setting Mode

    Appendix Setting Conditions for Software Setting Mode For information about setting the Software Setting Mode, see "Software Setting Mode" on page Setting Items Selection of software settings  The initial setting is underlined. 1st page 2nd page 3rd page 1: Print Current Settings 2: Print Density 1: Monochrome 85%, 90%, 95%, 100%, 105%, 110%, 115%...
  • Page 94 Setting Items Selection of software settings  The initial setting is underlined. 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 the previous page) Page30:TCVN-3(Vietnamese), (Continued from the previous page) Page31:TCVN-3(Vietnamese), Page52:WPC1258, Page53:KZ-1048(Kazakhstan)
  • Page 95 Appendix Setting Items Selection of software settings  The initial setting is underlined. 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...

  • Page 96: Character Code Tables

    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.) is USA:...

  • Page 97: Pc437: Usa, Standard Europe]

    Appendix Page 0 [PC437: USA, Standard Europe]...

  • Page 98: Katakana)

    Page 1 (Katakana)

  • Page 99: Pc850: Multilingual)

    Appendix Page 2 (PC850: Multilingual)

  • Page 100: Pc860: Portuguese)

    Page 3 (PC860: Portuguese)

  • Page 101: Pc863: Canadian-French)

    Appendix Page 4 (PC863: Canadian-French)

  • Page 102: Pc865: Nordic)

    Page 5 (PC865: Nordic)

  • Page 103: Pc851: Greek)

    Appendix Page 11 (PC851: Greek)

  • Page 104: Pc853: Turkish)

    Page 12 (PC853: Turkish)

  • Page 105: Pc857: Turkish)

    Appendix Page 13 (PC857: Turkish)

  • Page 106: Pc737: Greek)

    Page 14 (PC737: Greek)

  • Page 107: Iso8859-7: Greek)

    Appendix Page 15 (ISO8859-7: Greek)

  • Page 108: Wpc1252)

    Page 16 (WPC1252)

  • Page 109: Pc866: Cyrillic #2)

    Appendix Page 17 (PC866: Cyrillic #2)

  • Page 110: Pc852: Latin2)

    Page 18 (PC852: Latin2)

  • Page 111: Pc858: Euro)

    Appendix Page 19 (PC858: Euro)

  • Page 112: Ku42: Thai)

    Page 20 (KU42: Thai)

  • Page 113: Tis11: Thai)

    Appendix Page 21 (TIS11: Thai)

  • Page 114: Tis18: Thai)

    Page 26 (TIS18: Thai)

  • Page 115: Tcvn-3: Vietnamese)

    Appendix Page 30 (TCVN-3: Vietnamese)

  • Page 116: Tcvn-3: Vietnamese)

    Page 31 (TCVN-3: Vietnamese)

  • Page 117: Pc720: Arabic)

    Appendix Page 32 (PC720: Arabic)

  • Page 118: Wpc775: Baltic Rim)

    Page 33 (WPC775: Baltic Rim)

  • Page 119: Pc855: Cyrillic)

    Appendix Page 34 (PC855: Cyrillic)

  • Page 120: Pc861: Icelandic)

    Page 35 (PC861: Icelandic)

  • Page 121: Pc862: Hebrew)

    Appendix Page 36 (PC862: Hebrew)

  • Page 122: Pc864: Arabic)

    Page 37 (PC864: Arabic)

  • Page 123: Pc869: Greek)

    Appendix Page 38 (PC869: Greek)

  • Page 124: Iso8859-2: Latin2)

    Page 39 (ISO8859-2: Latin2)

  • Page 125: Iso8859-15: Latin9)

    Appendix Page 40 (ISO8859-15: Latin9)

  • Page 126: Pc1098: Farsi)

    Page 41 (PC1098: Farsi)

  • Page 127: Pc1118: Lithuanian)

    Appendix Page 42 (PC1118: Lithuanian)

  • Page 128: Pc1119: Lithuanian)

    Page 43 (PC1119: Lithuanian)

  • Page 129: Pc1125: Ukrainian)

    Appendix Page 44 (PC1125: Ukrainian)

  • Page 130: Wpc1250: Latin 2)

    Page 45 (WPC1250: Latin 2)

  • Page 131: Wpc1251: Cyrillic)

    Appendix Page 46 (WPC1251: Cyrillic)

  • Page 132: Wpc1253: Greek)

    Page 47 (WPC1253: Greek)

  • Page 133: Wpc1254: Turkish)

    Appendix Page 48 (WPC1254: Turkish)

  • Page 134: Wpc1255: Hebrew)

    Page 49 (WPC1255: Hebrew)

  • Page 135: Wpc1256: Arabic)

    Appendix Page 50 (WPC1256: Arabic)

  • Page 136: Wpc1257: Baltic Rim)

    Page 51 (WPC1257: Baltic Rim)

  • Page 137: Wpc1258: Vietnamese)

    Appendix Page 52 (WPC1258: Vietnamese)

  • Page 138: Kz1048: Kazakhstan)

    Page 53 (KZ1048: Kazakhstan)

  • Page 139: User-Defined Page)

    Appendix Page 255 (User-Defined Page)

  • Page 140: International Character Sets

    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 ø å Sweden ¤ É Ä Ö Å...

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