Commands, Command Notation, Explanation of Terms | Epson T81

Confidential

6.COMMANDS

6.1Command Notation

XXXX

[Name]	The name of the command.
[Format]	The code sequence.
	[ ]k indicates the contents in brackets [ ] should be repeated k times.
[Range]	Gives the allowable ranges, if any, for the command parameters.
[Default]	Gives the default values, if any, for the arguments.
[Description]	Describes the function of the command.
	”−“ in the table indicates 0 or 1.
[Notes]	Provides important information on setting and using the printer command, if necessary.
[Reference]	Gives a reference, if any.

6.2 Explanation of Terms

1) Real-time command

Real-time commands are identified with a DLE extension such as DLE EOT, DLE ENQ, or DLE DC4. The printer executes these commands as soon as they are received.

2) Obsolete command

Obsolete commands are commands that will not be supported by future printer models. Therefore, we recommend replacing them with more recent, upward-compatible commands that have the same functions.

3) NV memory write command

NV memory write commands delete or store data in the NV memory (flash ROM)

GS ( E <some functions>, GS ( L / GS 8 L <some functions>, GS g 0, FS g 1, FS q

4) ESC/POS Handshaking Protocol

ESC/POS Handshaking Protocol is a handshaking protocol between the host computer and the printer when the printer transmits data. The ESC/POS Handshaking Protocol is required if the following commands are executed:

GS ( L / GS 8 L <some functions>

5) Print buffer

The print buffer is used to store image data for printing

6) Receive buffer

The receive buffer is used to store data from the host computer. All received data is stored in this buffer and processed in the order received.

	TITLE	SHEET	NO
EPSON	TM-T81	REVISION
EPSON		A

	Specification
	Specification		NEXT	SHEET
	(STANDARD)		52	51

Image 61

Epson T81 specifications Commands, Command Notation, Explanation of Terms

Contents

TM-T81 Revision Sheet SpecificationTM-T81 Revisions Design Section Sheet Rev. No Document Cover Rev Confidentiality General Contents REV. Sheet Changed Contents Confidentiality Agreement Epson Specification Standard General Features Confidential Print Buffer-full Printing Function 5 GS E pL pH fn a1 n1L n1H FS g 1 m a1 a2 a3 a4 nL nH d1...dkFunction 48 GS H pL pH fn m d1 d2 d3 d4 GS 8 L p1 p2 p3 p4 m fn parameters FS q n xL xH yL yH d1...dk1 ... xL xH yL yH d1...dkn GS∗x y d1...dkGS v 0 m xL xH yL yH d1...dk Printing Specifications General Specifications Autocutter Character Specifications1 Character Size Paper Roll Supply Device Paper Specification AF50KS-E 1 Specified Original Paper Type No. Single-color paper Printing and Cutting Positions Printable AreaInternal Buffer 1 Current Consumption Operating Electrical Characteristics 2 Limitation of the Printing Length on Print Ratio Reliability EMI and Safety Standards AppliedEMI Environmental Conditions 12.1 Operating Temperature and Humidity Range Installation Specifications ConfigurationSwitching between online and offline Interface 1 RS-232 serial interface GS a 1 TM-T81 Printer Status and Signals DLE ENQ 1 or DLE ENQ 2 commands TM-T81 Printer Status and Signals1.4 XON/XOFF transmit timing 2 XON/XOFF Transmit Timing TXD RXD DSR DTR Serial interface connection example 4 Reset DC Characteristics Reset Switching USB Universal Serial Bus Interface Outline USB transmission specifications 1 USB function Power Supply Connector Connectors1 Power Supply Connector Pin Assignments GND Shell F.G 2 Drawer Kick-out Connector Pin Assignments Drawer Kick-out Connector Modular Connector 4 Drawer Circuitry Functions List of Commands FS g GS $ GS a GS D GS E GS H GS K GS L / GS 8 L ESC a ESC c ESC d ESC p ESC t GS \ GS a GS b GS f GS g GS h GS k GS r GS w GS k GS ∗ Epson Common to all pages International Character Set USA Character Code Tables HEX 0 PC437 USA, Standard Europe 1 Katakana 2 PC850 Multilingual 3 PC860 Portuguese 4 PC863 Canadian-French 5 PC865 Nordic 16 WPC1252 17 PC866 Cyrillic #2 18 PC852 Latin2 19 PC858 Euro 255 User-defined USA International Character Sets Panel Buttons Switches and Buttons Power Button XON/XOFF DTR/DSR DIP Switches2 Transmission Speed 4 DIP Switch 2-3 DIP Switch 7 DIP Switch 2-3 USB interface specification DIP Switch 8 Types of the Customized Value Customized value 1 Panel Switches and Indicators Panel LED Indicators Self-test C D E F G H I J Hexadecimal Dumping NV Graphics Print Mode 1 Errors That Automatically Recover Error Processing Error Types2 Errors That Can Possibly Recover Unrecoverable Errors Printer Operation When an Error OccursCPU Print Buffer-full Printing Cover Open Sensor External Dimensions and Mass Case SpecificationsColor External Appearance Options and Consumables Standard AccessoriesOptions Consumables Command Notation CommandsExplanation of Terms MSB LSB Ascii Control Commands Ascii Can DLE EOT nAscii DLE EOT Epson Epson Ascii DLE ENQ DLE ENQ n Ascii DLE DC4 DLE DC4 fn m t fn =Fn = DLE DC4 fn a b fn = Fn = DLE DC4 fn d1…d7ESC SP n D1…d7 ESC ! n ESC % n ESC $ nL nHESC & y c1 c2 x1 d1 Dy ⋅x1 Xk d1 Dy ⋅xk Dy ⋅x1 Dy ⋅xk ESC − n ESC ∗ m nL nH d1...dkD1...dk ESC = n ESC 3 nESC ? n ESC E n ESC D n1...nk NULN1...nk ESC J n ESC G n ESC R n ESC M n ESC V n ESC T n Dx L Dx H Dy L Dy H ESC \ nL nH ESC c 4 n ESC a nESC c 5 n ESC p m t1 t2 ESC d n ESC n FS g 2 m a1 a2 a3 a4 n L n H FS g 1 m a1 a2 a3 a4 n L n H d1...dk GS $ nL nH GS ! n Test pattern GS a pL pH n mHexadecimal dump print Printer status print GS D pL pH m a1 b1...ak bk Function 1 GS E p L p H fn d1 d2 Fn = GS E pL pH fn parametersFormat GS E pL pH fn Function 5 GS E p L p H fn a1 n1 L n1 H...ak nk L nk H Function 2 GS E p L p H fn d1 d2 d3 Fn =N1 L N1 H ... ak nk L nk H Type of customized value Epson Function 11 GS E pL pH fn a d1...dk fn = Function 6 GS E p L p H fn a Fn =D1 ... dk GS H pL pH fn parameters Function 12 GS E p L p H fn a Fn =Function 48 GS H p L p H fn m d1 d2 d3 d4 Function 50 GS K p L p H fn m Fn = GS K pL pH fn parametersFormat Function No Function name Select the print speed GS 8 L GS LGS L pL pH m fn Function 50 GS L p L p H m fn Fn = 2 Function 48 GS L p L p H m fn Fn = 0 Function 64 GS L p L p H m fn d1 d2 Fn = Function 51 GS L p L p H m fn Fn = 3Function 65 GS L p L p H m fn d1 d2 d3 Function Function 66 GS L p L p H m fn kc1 kc2 Fn =Kc1 Kc2 Vertical direction Horizontal direction 180 dpi 90 dpi Function 69 GS L p L p H m fn kc1 kc2 x y Bx , by P H m fn a bx by c x L x H y L y H d1...dk GS k pL pH cn fn parameters Function 066 GS k p L p H cn fn n Cn = 48 , fn = Function 065 GS k p L p H cn fn n Cn = 48 , fn = Function 068 GS k p L p H cn fn n Cn = 48 , fn = Function 067 GS k p L p H cn fn n Cn = 48 , fn = Function 069 GS k p L p H cn fn m n Cn = 48 , fn = Function 080 GS k p L p H cn fn m d1 … dk Cn = 48 , fn = Function 070 GS k p L p H cn fn m Cn = 48 , fn =D1…dk Function 082 GS k p L p H cn fn m Cn = 48 , fn = Function 081 GS k p L p H cn fn m Cn = 48 , fn =P H cn fn m Function 167 GS k p L p H cn fn n Cn = 49 , fn = Function 165 GS k p L p H cn fn n1 n2 Cn = 49 , fn =N2 = Function 180 GS k p L p H cn fn m d1 … dk Cn = 49 , fn = Function 169 GS k p L p H cn fn n Cn = 49 , fn = Function 182 GS k p L p H cn fn m Cn = 49 , fn = Function 181 GS k p L p H cn fn m Cn = 49 , fn = GS / m GS ∗ x y d1...dk= x ⋅ y ⋅ GS H n GS B n Epson GS I n GS P x y GS L nL nHGS V m B GS V m n GS \ nL nH GS W nL nHGS r t m GS a n Name Turn smoothing mode on/off Format GS g 0 m nL nH GS f nL n H GS g 2 m nL nH D1...dn GS k m d1...dk NUL GS k m n d1...dn Bar code system Range of n Range of d = 11 ≤ d ≤ 57 where d1 = JAN13 / EAN13 = 12= 11 = 7 GS r n GS w n ESC Obsolete CommandsESC m 6DF ESC u n X H y L y H d1...dk1...x L x H y L y H d1...dkn FS p n m GS v 0 m x L x H y L y H d1...dk Table A.1 Paper Feeding Amount Appendix a Miscellaneous Notes App.3 App.2 Other Notes Replacing the Paper Roll Appendix B Paper Roll Setup Appendix C Recovery from the Auto Cutter Error Figure D.1 Near-end Adjusting Position Table D.1 Adjustment Positions Figure E.1 Print Head Thermal Elements Appendix E Print Head Cleaning Appendix F Notes on Using the Drawer KICK-OUT Connector Ii. For DLE DC4 T1 ⋅ 2ms Return ∗WAIT300MS Power off procedure by the host About updating the maintenance counter Figure I-1 Slant of the Print Appendix H Notes on Printing 2-DIMENSIONAL Code END Appendix J Notes on Using the ASB Status