Page 2 - Cautions; Trademarks
2 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 subje...
Page 3 - For Safety; Key to Symbols; WARNING
3 For Safety Key to Symbols The symbols in t h i s ma nu al are i de nti f i ed by t he i r level of i mpor t a n ce, as def in ed below. Read t he follow ing caref u lly before ha n dl ing t he prod u c t . WARNING You must follow warnings carefully to avoid serious bodily injury. CAUTION Provides ...
Page 4 - Warnings
4 Warnings WARNING • To avoid risk of electric shock, do not set up this product or handle cables during athunderstorm • 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 s...
Page 5 - Restriction of Use; CAUTION
5 Cautions Restriction of Use Whe n t h i s prod u c t i s u sed for appl i ca ti o n s req ui r ing h ig h rel i ab i l it y/safe t y, s u ch as t ra n spor t a ti o n dev i ces rela t ed t o av i a ti o n , ra i l, mar in e, a ut omo ti ve, e t c.; d i sas t er preve nti o n dev i ces; var i o u s...
Page 6 - About this Manual; Aim of the Manual
6 About this Manual Aim of the Manual Th i s ma nu al was crea t ed t o prov i de in forma ti o n o n developme nt , des ign , a n d in s t alla ti o n of POS sys t ems a n d developme nt a n d des ign of pr int er appl i ca ti o n s for developers. Manual Content The ma nu al i s made u p of t he f...
Page 7 - Contents
7 Contents ■ For Safety ............................................................................................................................... 3 Key to Symbols ......................................................................................................................................
Page 11 - Product Overview; Features; Printing
Chapter 1 Product Overview 11 1 Product Overview Th i s chap t er descr i bes fea tu res a n d spec i f i ca ti o n s of t he prod u c t . Features Printing • H ig h speed rece i p t pr inting i s poss i ble (150 mm/s max i m u m). • Sh i f ting from 80 mm w i d t h paper pr inting t o 58 mm w i d t...
Page 12 - Others
12 Others • Var i o u s in s t alla ti o n layo ut s (hor i zo nt al, ver ti cal, a n d wall-ha nging in s t alla ti o n ) are selec t able. • Sof t ware & Doc u me nt s D i sc i s in cl u ded co nt a ining dr i vers, uti l it y sof t ware, a n d ma nu als. • Op ti o n al b u zzer unit i s ava i...
Page 13 - Product Configurations; Interface; Options
Chapter 1 Product Overview 13 1 Product Configurations Interface • USB int erface model Colors • ECW (Epso n Cool Wh it e) • EDG (Epso n Dark Gray) Accessories Included • Roll paper (for opera ti o n check) • Power sw it ch cover • Power sw it ch wa t erproof cover • Wall ha nging bracke t • Screws ...
Page 14 - Part Names and Functions; Power Switch
14 Part Names and Functions 1 Power Switch T u r n s t he pr int er o n or off. The marks o n t he sw it ch: ( : OFF/ : ON) 2 Power Switch Cover I n s t all t he power sw it ch cover t ha t comes w it h t he TM-T20 o nt o t he pr int er t o preve nt in adver t e nt opera ti o n of t he power sw it c...
Page 15 - Control Panel; Paper LED
Chapter 1 Product Overview 15 1 3 Control Panel 1 Power LED (green) • L ig h t s whe n t he power s u pply i s o n . • Goes o ut whe n t he power s u pply i s tu r n ed off. 2 Error LED (orange) L ig h t s or flashes whe n t he pr int er i s offl in e. • L ig h t s af t er t he power i s tu r n ed o...
Page 16 - Offline; Connectors
16 Offline The pr int er a ut oma ti cally g oes offl in e un der t he follow ing co n d iti o n s: • D u r ing power o n unti l t he pr int er i s ready • D u r ing t he self- t es t • Wh i le roll paper i s fed u s ing t he Feed b utt o n • Whe n t he pr int er s t ops pr inting d u e t o a paper-...
Page 17 - Error Status; Automatically Recoverable Errors
Chapter 1 Product Overview 17 1 Error Status There are t hree poss i ble error t ypes: a ut oma ti cally recoverable errors, recoverable errors, a n d un recoverable errors. Automatically Recoverable Errors Pr inting i s n o lo ng er poss i ble whe n a ut oma ti cally recoverable errors occ u r. The...
Page 18 - Unrecoverable Errors
18 Unrecoverable Errors Pr inting i s n o lo ng er poss i ble whe n un recoverable errors occ u r. The pr int er m u s t be repa i red. CAUTION Turn off the power immediately when an unrecoverable error occurs. Error Error description Error LED flashing pattern Memory R/W error After R/W checking, t...
Page 19 - NV Graphics Memory
Chapter 1 Product Overview 19 1 NV Memory (Non-Volatile Memory) The pr int er's NV memory s t ores da t a eve n af t er t he pr int er power i s tu r n ed off. NV memory co nt a in s t he follow ing memory areas for t he u ser: • NV g raph i cs memory • User NV memory • Memory sw it ches • R/E (Rece...
Page 20 - Maintenance Counter
20 R/E (Receipt Enhancement) Graph i cs, s u ch as shop lo g os ca n be pr int ed o n t op or bo tt om of rece i p t s by se tting R/E (Rece i p t E n ha n ceme nt ). For in forma ti o n abo ut R/E, see "Se tting t he Memory Sw it ches/Rece i p t E n ha n ceme nt " o n pa g e 39 . User-defin...
Page 21 - Product Specifications
Chapter 1 Product Overview 21 1 Product Specifications Printing method Thermal line printing Printing direction Unidirectional with friction feed Paper feed speed Approx. 150 mm/s {approx. 5.91"/s} (continuous paper feeding with the Feed button) Cutting method Partial cut (cutting with one point...
Page 22 - Printing Specifications
22 Printing Specifications dp i : do t s per in ch *: whe n t he pr int er pr int s w it h t he s t a n dard pr int de n s it y level a t 25°C {77°F}. 80 mm width paper setting 58 mm width paper setting Printing method Thermal line printing Dot density 203 × 203 dpi Paper width Normal mode (initial ...
Page 23 - Character Specifications
Chapter 1 Product Overview 23 1 Character Specifications No t e: * : Space be t wee n charac t ers i s n o t in cl u ded. Charac t ers ca n be scaled u p t o 64 ti mes as lar g e as t he s t a n dard s i ze. 80 mm width paper setting 58 mm width paper setting Number of characters Alphanumeric charac...
Page 24 - Paper Specifications
24 Paper Specifications 80 mm width paper setting 58 mm width paper setting Paper types Specified thermal paper Form Roll paper Size Roll paper diameter 83 mm {3.27 " } maximum Roll paper spool Inside: 12 mm {0.47 " }, Outside: 18 mm {0.71 " } Roll width when taken up 80 + 0.5/-1.0 mm 58...
Page 25 - Printable Area; 8 mm paper width setting
Chapter 1 Product Overview 25 1 Printable Area 80 mm paper width setting The max i m u m pr int able area of paper w it h a w i d t h of 79.5 ± 0.5 mm {3.13 ± 0.02"} i s 72.1 ± 0.2 mm {2.84 ± 0.008"} (576 do t s) a n d t he approx i ma t e space i s 3.0 mm {0.12"} o n t he lef t s i de o...
Page 26 - Printing and Cutting Positions
26 Printing and Cutting Positions 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. Autocutter blade position Approx. 27.1 Approx. 10.5 Manual-cutter position Center of the print dotli...
Page 27 - Electrical Characteristics; Note on printing with a high print ratio
Chapter 1 Product Overview 27 1 Electrical Characteristics Note on printing with a high print ratio If pr inting i s co ntinu o u sly performed w it h a h ig h pr int ra ti o, t he overc u rre nt pro t ec ti o n may be ac ti va t ed a n d res u l t in un eve n pr int de n s it y or a low vol t a g e...
Page 28 - Environmental Conditions
28 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.) Storage -10 to 50°C {14 to 122°F}, 10 to 90% RH (except for paper) Acoustic noise (operating) Approximately 55 dB (bystander position) Note: The...
Page 29 - External Dimensions and Mass
Chapter 1 Product Overview 29 1 External Dimensions and Mass • He ig h t : Approx i ma t ely 146 mm {5.75"} • W i d t h: Approx i ma t ely 140 mm {5.51"} • Dep t h: Approx i ma t ely 199 mm {7.83"} • Mass: Approx i ma t ely 1.7 k g {3.74 lb} (excep t for roll paper) 140 146 199 [Units: m...
Page 31 - Setup; Flow of Setup; Connecting the Optional Buzzer Unit (page 45)
Chapter 2 Setup 31 2 Setup Th i s chap t er descr i bes se tu p a n d in s t alla ti o n of t he prod u c t a n d per i pherals. Flow of Setup Th i s chap t er co n s i s t s of t he follow ing sec ti o n s alo ng w it h t he se tu p flow of t he prod u c t a n d per i pherals. 2. Changing the Paper...
Page 32 - Installing the Printer
32 Installing the Printer Yo u ca n in s t all t he pr int er hor i zo nt ally o n a fla t s u rface (w it h t he paper ex it o n t op) or ver ti cally (w it h t he paper ex it a t t he fro nt ). Also, yo u ca n ha ng it o n a wall u s ing t he in cl u ded accessor i es. • Take measures to prevent t...
Page 33 - Installing the Printer Vertically
Chapter 2 Setup 33 2 Installing the Printer Vertically Whe n in s t all ing t he pr int er ver ti cally, be s u re t o a tt ach t he in cl u ded co nt rol pa n el label for ver ti cal in s t alla ti o n o n t he roll paper cover, a n d a tt ach 4 r u bber fee t in t he rec t a ngu lar in de nt s in ...
Page 34 - Hanging the Printer on a Wall
34 Hanging the Printer on a Wall To ha ng t he pr int er o n t he wall, follow t he s t eps below. 1 Attach the included control panel label for vertical installation on the roll paper cover. 2 Install 2 screws (screw diameter: 4 mm {0.16"}, head diameter: 7 to 9 mm {0.28 to 0.35"}) in the w...
Page 35 - bracket on the printer, and fix it using the screws.
Chapter 2 Setup 35 2 3 Remove the installed 2 screws from the printer, install the wall hanging bracket on the printer, and fix it using the screws. R 4 Align the holes in the wall hanging bracket with the screws on the wall, and hook it securely. Screws Wall hanging bracket
Page 36 - Changing the Paper Width; Open the roll paper cover.
36 Changing the Paper Width Yo u ca n cha ng e t he paper w i d t h from 80 t o 58 mm by in s t all ing t he in cl u ded 58-mm w i d t h paper gui de pla t e. Follow t he s t eps below t o cha ng e t he paper w i d t h. 1 Open the roll paper cover. 2 Align 3 projections on the 58-mm width paper guid...
Page 37 - Connecting the Printer to the Host Computer; Connecting the USB interface cable; Connect the USB cable to the USB upstream connector.; Cash drawer
Chapter 2 Setup 37 2 Connecting the Printer to the Host Computer Th i s pr int er i s co nn ec t ed t o t he hos t comp ut er v i a t he USB por t . Whe n a c u s t omer d i splay (DM-D) i s t o be co nn ec t ed, co nn ec t it t o t he hos t comp ut er v i a t he ser i al por t . Connecting the USB ...
Page 38 - Connecting to the Power Source; Connecting the AC cable; Make sure the printer is turned off.
38 Connecting to the Power Source Be s u re t o u se t he in cl u ded AC cable. Connecting the AC cable 1 Make sure the printer is turned off. 2 Connect the AC cable to the AC inlet. 3 Insert the AC plug into a wall socket. WARNING • Never insert the AC cable plug into a socket that does not meet th...
Page 39 - Setting the Memory Switches/Receipt Enhancement
Chapter 2 Setup 39 2 Setting the Memory Switches/Receipt Enhancement W it h t he memory sw it ch a n d R/E (rece i p t e n ha n ceme nt ) f un c ti o n , wh i ch are sof t ware se tting s for t h i s pr int er, yo u ca n se t t he var i o u s f un c ti o n s. For a n o ut l in e of t he f un c ti o ...
Page 41 - Release condition of receive buffer BUSY
Chapter 2 Setup 41 2 Release condition of receive buffer BUSY • Releases whe n t he rema ining rece i ve b u ffer capac it y becomes 256 by t es ( initi al se tting ) • Releases whe n t he rema ining rece i ve b u ffer capac it y becomes 138 by t es Roll paper width • 80 mm ( initi al se tting ) • 5...
Page 43 - Optional buzzer
Chapter 2 Setup 43 2 Optional buzzer Enables/disables • E n ables • D i sables ( initi al se tting ) Buzzer frequency (error) • Does n o t so un d • So un ds 1 ti me • So un ds co ntinu o u sly ( initi al se tting ) Sound pattern (Autocut) Selec t able from Pa tt er n s A t o E I niti al se tting : ...
Page 44 - Auto bottom logo; Alignment; Top logo when printer is powered on
44 Communication condition of USB interface • USB pr int er class ( initi al se tting ) • USB ve n dor-def in ed class Auto top logo Key-code Selec t able from key-codes of re gi s t ered lo g os Alignment • Lef t • Ce nt er • R ig h t Auto bottom logo Key-code Selec t able from key-codes of re gi s...
Page 45 - Connecting the Optional Buzzer Unit; Connecting the Buzzer Unit
Chapter 2 Setup 45 2 Connecting the Optional Buzzer Unit Whe n t he op ti o n al b u zzer unit (model: OT-BZ20) i s co nn ec t ed t o t he drawer k i ck-o ut co nn ec t or of t he pr int er, yo u ca n se t t he pr int er so t ha t it beeps whe n yo u se n d comma n ds, whe n a n error occ u rs, a n ...
Page 47 - Connecting the Cash Drawer; Connecting the Drawer Kick-out Cable
Chapter 2 Setup 47 2 Connecting the Cash Drawer Use a cash drawer ha n dled by EPSON or yo u r dealer. Connecting the Drawer Kick-out Cable Co nn ec t t he co nn ec t or of t he drawer k i ck-o ut cable t o t he pr int er. • Do not connect both the optional external buzzer and the cash drawer to the...
Page 48 - Drawer Connection Diagram
48 Drawer Connection Diagram () 8 With shielded Drawer kick-out connector Printer side User side [Drawer kick-out side] Drawer open/close switch Drawer kick-out solenoid Control device 1 2 3 4 5 6
Page 49 - Application Development Information; How to Control the Printer; Selecting a Driver; When you newly develop an application
Chapter 3 Application Development Information 49 3 Application Development Information Th i s chap t er descr i bes how t o co nt rol t he pr int er a n d gi ves in forma ti o n u sef u l for pr int er appl i ca ti o n developme nt . How to Control the Printer Use a dr i ver or ESC/POS comma n ds t ...
Page 50 - ESC/POS command functions
50 ESC/POS Commands ESC/POS i s t he Epso n or igin al pr int er comma n d sys t em. W it h ESC/POS comma n ds, yo u ca n d i rec t ly co nt rol all t he TM pr int er f un c ti o n s, b ut de t a i led k n owled g e of pr int er spec i f i ca ti o n s or comb in a ti o n of comma n ds i s req ui red...
Page 56 - Software and Manuals; Printer Drivers
56 Software and Manuals The follow ing sof t ware a n d ma nu als are prov i ded for appl i ca ti o n developme nt . Printer Drivers Software Manual EPSON Advanced Printer Driver (APD): In addition to ordinary Windows driver functions, this driver has controls specific to POS, such as controls for p...
Page 59 - Setting/Checking Modes; Starting the self-test mode; Close the roll paper cover.
Chapter 3 Application Development Information 59 3 Setting/Checking Modes Bes i des t he ord in ary pr int mode, t he pr int er has t he follow ing modes t o se t or check se tting s of t he pr int er. • Self- t es t Mode • Hexadec i mal D u mp ing Mode ( pa g e 61 ) • NV Graph i cs I n forma ti o n...
Page 60 - Press the Feed button to start the test print (less than 1 second).
60 Whe n t he pr int er f ini shes pr inting t he pr int er s t a tu s, t he follow ing messa g e i s pr int ed a n d t he Paper LED flashes. (The pr int er i s n ow in t he self- t es t wa it mode.): “Selec t Modes by press ing Feed b utt o n . Co ntinu e SELF-TEST: Less t ha n 1 seco n d Mode Sele...
Page 61 - Hexadecimal Dumping Mode
Chapter 3 Application Development Information 61 3 Hexadecimal Dumping Mode I n t he hexadec i mal d u mp ing mode, t he pr int er pr int s t he da t a t ra n sm itt ed from a hos t comp ut er in hexadec i mal nu mbers a n d t he i r correspo n d ing charac t ers. I t e n ables yo u t o check i f da...
Page 62 - Press the Feed button once.
62 NV Graphics Information Print Mode Yo u ca n co n f i rm t he follow ing in forma ti o n by r unning t he NV g raph i cs in forma ti o n pr int mode: • Capac it y of t he NV g raph i cs • Used capac it y of t he NV g raph i cs • U nu sed capac it y of t he NV g raph i cs • N u mber of NV g raph i...
Page 63 - Receipt Enhancement Information Print Mode; Press the Feed button twice.
Chapter 3 Application Development Information 63 3 Receipt Enhancement Information Print Mode Yo u ca n co n f i rm t he follow ing in forma ti o n by r unning t he R/E in forma ti o n mode: • A ut oma ti c t op lo g o se tting • A ut oma ti c bo tt om lo g o se tting • Ex t e n ded se tting s for a...
Page 64 - Press the Feed button three times.
64 Memory Switch Setting Mode I n t he memory sw it ch se tting mode, yo u ca n se t t he follow ing memory sw it ches. Starting the memory switch setting mode Follow t he s t eps below t o r un t h i s mode. 1 Close the roll paper cover. 2 While pressing the Feed button, turn on the printer. (Keep ...
Page 65 - Then press the Feed button. (Keep pressing the Feed button until the
Chapter 3 Application Development Information 65 3 5 Then press the Feed button. (Keep pressing the Feed button until the printer starts printing.) The pr int er s t ar t s pr inting in s t r u c ti o n s for se tting s. Follow t he in s t r u c ti o n s. Af t er o n e se tting has bee n comple t ed...
Page 67 - Handling; Installing and Replacing Roll Paper; Press the cover open lever to open the roll paper cover.
Chapter 4 Handling 67 4 Handling Th i s chap t er descr i bes bas i c ha n dl ing of t he pr int er. Installing and Replacing Roll Paper 1 Press the cover open lever to open the roll paper cover. 2 Remove the used roll paper core, if any. CAUTION • Do not open the roll paper cover during printing or...
Page 69 - Removing Jammed Paper; When the Roll Paper Cover Cannot be Opened; Turn off the printer.
Chapter 4 Handling 69 4 Removing Jammed Paper Whe n a paper jam occ u rs, n ever p u ll o ut t he paper forc i bly. T u r n off t he pr int er power, ope n t he roll paper cover, a n d t he n remove t he jammed paper. When the Roll Paper Cover Cannot be Opened Whe n t he roll paper cover ca nn o t b...
Page 70 - Turn the knob until you see a triangle in the opening.; Install the cutter cover.
70 3 Turn the knob until you see a triangle in the opening. Th i s re tu r n s t he c utt er blade t o t he n ormal pos iti o n . 4 Install the cutter cover. Triangle Knob
Page 71 - Cleaning the Printer; Cleaning the Printer Case
Chapter 4 Handling 71 4 Cleaning the Printer Cleaning the Printer Case Be s u re t o tu r n off t he pr int er, a n d w i pe t he d i r t off t he pr int er case w it h a dry clo t h or a damp clo t h. Cleaning the Thermal Head/Platen Roller Epso n recomme n ds clea ning t he t hermal head per i od ...
Page 72 - Preparing for Transport
72 Preparing for Transport Follow t he s t eps below t o t ra n spor t t he pr int er. 1 Turn off the printer. 2 Disconnect the AC cable from the socket. 3 Remove the roll paper. 4 Pack the printer upright.
Page 73 - Appendix; Specification of USB (Universal Serial Bus) Interface; Outline; USB function
Appendix 73 Appendix Specification of USB (Universal Serial Bus) Interface Outline • F u ll-speed t ra n sm i ss i o n a t 12 Mbps [bps: b it s per seco n d] • Pl ug & Play, Ho t I n ser ti o n & Removal USB transmission specifications USB function Status transmission from printer with USB i...
Page 74 - Character Code Tables; Common to All Pages
74 Character Code Tables Common to All Pages Whe n I nt er n a ti o n al charac t er se t (See "I nt er n a ti o n al Charac t er Se t s" o n pa g e 118 .) i s USA: • The character code tables show only character configurations. They do not show the actual print pattern. • “SP” in the table ...
Page 118 - International Character Sets
118 International Character Sets ASCII code (Hex) Country USA France Germany U.K. Denmark I Sweden Italy Spain I Japan Norway Denmark II Spain II Latin America Korea Slovenia/Croatia China Vietnum Arabia 23 24 25 2A 40 5B 5C 5D 5E 60 7B 7C 7D 7E # $ % * @ [ ] ^ ` { | } ~ # $ % * à ° ç § ^ ` é ù è ¨ ...