Epson TM-T20 Quick Reference Manual

ESC/POS Quick Reference
ESC/POS ® Command System
EPSON ESC/POS is a proprietary POS printer command system based on the
escape sequence and includes patented or patent pending commands. ESC/POS is
compatible with most type of EPSON POS printers and displays.
ESC/POS is designed to reduce the processing load on the host computer in POS
environments. It comprises a set of highly functional and efficient commands and
also offers the flexibility to easily make future upgrades.
Aim of the Quick Reference
Quick Reference is a guide to using ESC/POS command to control the printer.
Command Notation
RT : real-time command (executed as soon as received)
•
fn= : function number of the command
•
Numbers are written in decimal numeral.
•
n specifies 1 byte parameter in the range 0–255.
•
• n , n specify 1 word (2 bytes) parameter as (n
L H
0–65,535.
pL, pH specify the number of parameters after pH as (pL+pH×256) in the range
•
1–65,535
p1, p2, p3, p4 specify the number of parameters after p4 as
•
(p1+p2×256+p3×65,536+p4×16,777,216) in the rage 1–4,294,967,295.
kc1, kc2 specify key code (2 bytes) of NV graphics or download graphics. Each
•
range of kc1 and kc2 is 32–126.
Control codes are as follows:
•
name code
NUL 0
EOT 4
ENQ 5
HT 9
LF 10
FF 12
CR 13
DLE 16
DC4 20
CAN 24
ESC 27
FS 28
GS 29
No part of this document may be reproduced, stored in a retrieval system, or transmitted in any form
or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior
written permission of Seiko Epson Corporation.
The contents of this document are subject to change without notice. Please contact us for the latest
information.
While every precaution has been taken in the preparation of this document, Seiko Epson Corporation
assumes no responsibility for errors or omissions.
Neither is any liability assumed for damages resulting from the use of the information contained
herein.
Neither Seiko Epson Corporation nor its affiliates shall be liable to the purchaser of this product or
third parties for damages, losses, costs, or expenses incurred by the purchaser or third parties as a
result of: accident, misuse, or abuse of this product or unauthorized modifications, repairs, or
alterations to this product, or (excluding the U.S.) failure to strictly comply with Seiko Epson
Corporation's operating and maintenance instructions.
Seiko Epson Corporation shall not be liable against any damages or problems arising from the use of
any options or any consumable products other than those designated as Original EPSON Products or
EPSON Approved Products by Seiko Epson Corporation.
EPSON and ESC/POS are registered trademarks of Seiko Epson Corporation in Japan and other
countries/regions.
Copyright© 2012 Seiko Epson Corporation. All rights reserved.
Print Commands
In page mode, these commands only move the print position and do not execute
•
actual printing.
LF
CR
ESC J n
ESC d n
Line Spacing Commands
ESC 2
ESC 3 n
Character Commands
ESC SP n
+ n×256) in the range
L
ESC n
−
ESC E n
ESC G n
ESC M n
GS ! n
GS b n
GS B n
ESC { n
ESC V n
ESC & 3 c1 c2 [x1 d1...d(3 × x1)]...[xk d1...d(3 × xk)]
ESC % n
M00051201
Prints data and feeds one line.
Functions the same as LF when auto line feed is enabled.
CR is ignored when auto line feed is disabled or when the
serial interface model is used.
Prints data and feeds paper n dots.
Prints data and feeds paper n lines.
Selects default line spacing.
Sets line spacing to n dots.
Sets right-side character spacing to n dots.
Selects underline.
n = 0: underline off, n = 1: 1-dot width, n = 2: 2-dot width
Turns emphasized character On or Off.
n = odd: On, n = even: Off
Turns double-strike character On or Off.
n = odd: On, n = even: Off
Selects a character font.
n = 0, "0": Font A, n = 1, "1": Font B
Selects character size (height/width magnification).
Upper 4 bits of n: width magnification
Lower 4 bits of n: height magnification
The both can be set 0(×1) to 7(×8)
Turns smoothing On or Off for magnified characters.
n = odd: On, n = even: Off
Turns white/black reverse print On or Off for characters.
n = odd: On, n = even: Off
Turns upside-down print mode On or Off in standard
mode.
n = odd: On, n = even: Off
Turns 90° clockwise rotation On or Off for characters in
standard mode.
n = 1, 2, "1", "2": On, n = 0, "0": Off
Defines user-defined characters for character code: c1 to
c2 of the current font.
x = width of the defined pattern
d1...d(3×x) = pattern data for a character
Selects or cancels user-defined character set.
n = odd: Select, n = even: Cancel
Character Commands (continued)
ESC ? n Cancel the user-defined character and return the font
pattern to the resident one for the current font.
n = character code to be cleared the user-defined font
ESC t n
Selects page n from the character code table.
n n
code table code table
0 PC437: USA, Standard Europe 34 PC855: Cyrillic
1 Katakana 35 PC861: Icelandic
2 PC850: Multilingual 36 PC862: Hebrew
3 PC860: Portuguese 37 PC864: Arabic
4 PC863: Canadian-French 38 PC869: Greek
5 PC865: Nordic 39 ISO8859-2: Latin2
11 PC851: Greek 40 ISO8859-15: Latin9
12 PC853: Turkish 41 PC1098: Farsi
13 PC857: Turkish 42 PC1118: Lithuanian
14 PC737: Greek 43 PC1119: Lithuanian
15 ISO8859-7: Greek 44 PC1125: Ukrainian
16 WPC1252 45 WPC1250: Latin2
17 PC866: Cyrillic #2 46 WPC1251: Cyrillic
18 PC852: Latin2 47 WPC1253: Greek
19 PC858: Euro 48 WPC1254: Turkish
20 KU42: Thai 49 WPC1255: Hebrew
21 TIS11: Thai 50 WPC1256: Arabic
26 TIS18: Thai 51 WPC1257: Baltic Rim
30 TCVN-3: Vietnamese 52 WPC1258: Vietnamese
31 TCVN-3: Vietnamese 53 KZ-1048: Kazakhstan
32 PC720: Arabic 255 User-defined page
33 WPC775: Baltic Rim
ESC R n
Selects an international character set by n.
n n
country country
0 USA 9 Norway
1 France 10 Denmark II
2 Germany 11 Spain II
3 U.K. 12 Latin America
4 Denmark I 13 Korea
5 Sweden 14 Slovenia/ Croatia
6 Italy 15 China
7 Spain I 16 Vietnam
8 Japan 17 Arabia
Print Position Commands
HT
Moves print position to the next horizontal tab position.
ESC D n1...nk NUL
Sets tab stops at n1 to nk character columns.
GS L nL nH
Sets left margin in standard mode.
nL + nH×256: number of dots for left margin
GS W nL nH
Sets print area width in standard mode.
nL + nH×256: number of dots for print area width
ESC a n
Aligns all data in one line to the selected layout in
standard mode.
n = 0, "0": Left justification
n = 1, "1": Centering
n = 2, "2": Right justification