GS g 2 m nL nH, GS h n | Epson T81 instruction

Confidential

GS g 2 m nL nH

[Name]	Transmit maintenance counter
[Format]	ASCII	GS	g		2	m nL nH
	Hex	1D	67		32	m nL nH
	Decimal	29	103 50			m nL nH
[Range]	m = 0
	(nL + nH ⋅ 256) = 20, 21, 50, 70, 148, 149, 178, 198
	(nL = 20, 21, 50, 70, 148, 149, 178, 198 , nH = 0)
[Description]	• Transmits the value of the maintenance counter specified by (nL + nH ⋅ 256).
	(nL + nH ⋅ 256)
	Hex	Decimal				Maintenance counter [Units]		Kind of counter
	14	20			Number of line feeds. [Lines]			Resettable
	15	21			Number of times head is energized. [Times]			(can be reset)
	32	50			Number of autocutter operations. [Times].
	46	70			Printer operation time. [Hours].

	94	148			Number of line feeds. [Lines]			Cumulative
	95	149			Number of times head is energized. [Times]
	B2	178			Number of autocutter operations. [Times].
	C6	198			Printer operation time. [Hours].

[Notes] • The maintenance counter values are measurements; therefore, their values will be affected by the timing of errors and how and when the power is turned off.

•When this command is transmitted, the data following must not be transmitted until the status is received.

[Reference] Appendix G

GS h n

[Name]	Set bar code height
[Format]	ASCII		GS	h	n
	Hex		1D	68	n
	Decimal		29	104	n
[Range]	1	≤ n ≤ 255
[Default]	n	= 162
[Description]	•	Sets the height of the bar code to n dots.

	TITLE	SHEET	NO
EPSON	TM-T81	REVISION
EPSON		A

	Specification
	Specification		NEXT	SHEET
	(STANDARD)		107	106

Image 116

Epson T81 specifications GS g 2 m nL nH, GS h n

Contents

TM-T81 Specification Revision SheetTM-T81 Revisions Design Section Sheet Rev. No Document Cover Rev Confidentiality General Contents Changed Contents REV. Sheet Epson Specification Standard Confidentiality Agreement General Features Confidential Print Buffer-full Printing FS g 1 m a1 a2 a3 a4 nL nH d1...dk Function 5 GS E pL pH fn a1 n1L n1HFunction 48 GS H pL pH fn m d1 d2 d3 d4 GS 8 L p1 p2 p3 p4 m fn parameters GS v 0 m xL xH yL yH d1...dk GS∗x y d1...dkFS q n xL xH yL yH d1...dk1 ... xL xH yL yH d1...dkn General Specifications Printing Specifications 1 Character Size Character SpecificationsAutocutter Paper Specification Paper Roll Supply Device 1 Specified Original Paper Type No. Single-color paper AF50KS-E Internal Buffer Printable AreaPrinting and Cutting Positions Electrical Characteristics 1 Current Consumption Operating 2 Limitation of the Printing Length on Print Ratio EMI EMI and Safety Standards AppliedReliability 12.1 Operating Temperature and Humidity Range Environmental Conditions Installation Configuration SpecificationsSwitching between online and offline Interface 1 RS-232 serial interface 1 TM-T81 Printer Status and Signals GS a TM-T81 Printer Status and Signals DLE ENQ 1 or DLE ENQ 2 commands1.4 XON/XOFF transmit timing 2 XON/XOFF Transmit Timing Serial interface connection example TXD RXD DSR DTR Reset Switching 4 Reset DC Characteristics USB transmission specifications 1 USB function USB Universal Serial Bus Interface Outline Connectors Power Supply Connector1 Power Supply Connector Pin Assignments GND Shell F.G Drawer Kick-out Connector Modular Connector 2 Drawer Kick-out Connector Pin Assignments 4 Drawer Circuitry List of Commands Functions ESC a ESC c ESC d ESC p ESC t FS g GS $ GS a GS D GS E GS H GS K GS L / GS 8 L GS k GS ∗ GS \ GS a GS b GS f GS g GS h GS k GS r GS w Epson Character Code Tables Common to all pages International Character Set USA 0 PC437 USA, Standard Europe HEX 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 International Character Sets USA Switches and Buttons Power Button Panel Buttons 2 Transmission Speed DIP SwitchesXON/XOFF DTR/DSR DIP Switch 4 DIP Switch 2-3 USB interface specification DIP Switch 7 DIP Switch 2-3 Customized value 8 Types of the Customized Value Panel LED Indicators 1 Panel Switches and Indicators Self-test Hexadecimal Dumping C D E F G H I J NV Graphics Print Mode 2 Errors That Can Possibly Recover Error Processing Error Types1 Errors That Automatically Recover CPU Printer Operation When an Error OccursUnrecoverable Errors Cover Open Sensor Print Buffer-full Printing Case Specifications External Dimensions and MassColor External Appearance Standard Accessories Options and ConsumablesOptions Consumables Explanation of Terms CommandsCommand Notation MSB LSB Control Commands Ascii Ascii DLE EOT DLE EOT nAscii Can Epson Epson DLE ENQ n Ascii DLE ENQ Fn = DLE DC4 fn m t fn =Ascii DLE DC4 DLE DC4 fn a b fn = DLE DC4 fn d1…d7 Fn =ESC SP n D1…d7 ESC ! n ESC $ nL nH ESC % nESC & y c1 c2 x1 d1 Dy ⋅x1 Xk d1 Dy ⋅xk Dy ⋅x1 Dy ⋅xk D1...dk ESC ∗ m nL nH d1...dkESC − n ESC ? n ESC 3 nESC = n N1...nk ESC D n1...nk NULESC E n ESC G n ESC J n ESC M n ESC R n ESC T n ESC V n ESC \ nL nH Dx L Dx H Dy L Dy H ESC c 5 n ESC a nESC c 4 n ESC d n ESC p m t1 t2 ESC n FS g 1 m a1 a2 a3 a4 n L n H d1...dk FS g 2 m a1 a2 a3 a4 n L n H GS ! n GS $ nL nH GS a pL pH n m Test patternHexadecimal dump print Printer status print GS D pL pH m a1 b1...ak bk GS E pL pH fn parameters Function 1 GS E p L p H fn d1 d2 Fn =Format GS E pL pH fn Function 2 GS E p L p H fn d1 d2 d3 Fn = Function 5 GS E p L p H fn a1 n1 L n1 H...ak nk L nk HN1 L N1 H ... ak nk L nk H Type of customized value Epson D1 ... dk Function 6 GS E p L p H fn a Fn =Function 11 GS E pL pH fn a d1...dk fn = Function 48 GS H p L p H fn m d1 d2 d3 d4 Function 12 GS E p L p H fn a Fn =GS H pL pH fn parameters GS K pL pH fn parameters Function 50 GS K p L p H fn m Fn =Format Function No Function name Select the print speed GS L pL pH m fn GS LGS 8 L Function 48 GS L p L p H m fn Fn = 0 Function 50 GS L p L p H m fn Fn = 2 Function 65 GS L p L p H m fn d1 d2 d3 Function 51 GS L p L p H m fn Fn = 3Function 64 GS L p L p H m fn d1 d2 Fn = Kc1 Kc2 Function 66 GS L p L p H m fn kc1 kc2 Fn =Function Function 69 GS L p L p H m fn kc1 kc2 x y Vertical direction Horizontal direction 180 dpi 90 dpi P H m fn a bx by c x L x H y L y H d1...dk Bx , by GS k pL pH cn fn parameters Function 065 GS k p L p H cn fn n Cn = 48 , fn = Function 066 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 068 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 = D1…dk Function 070 GS k p L p H cn fn m Cn = 48 , fn =Function 080 GS k p L p H cn fn m d1 … dk Cn = 48 , fn = P H cn fn m Function 081 GS k p L p H cn fn m Cn = 48 , fn =Function 082 GS k p L p H cn fn m Cn = 48 , fn = N2 = Function 165 GS k p L p H cn fn n1 n2 Cn = 49 , fn =Function 167 GS k p L p H cn fn n Cn = 49 , fn = Function 169 GS k p L p H cn fn n Cn = 49 , fn = Function 180 GS k p L p H cn fn m d1 … dk Cn = 49 , fn = Function 181 GS k p L p H cn fn m Cn = 49 , fn = Function 182 GS k p L p H cn fn m Cn = 49 , fn = = x ⋅ y ⋅ GS ∗ x y d1...dkGS / m GS B n GS H n GS I n Epson GS V m B GS V m n GS L nL nHGS P x y GS r t m GS W nL nHGS \ nL nH GS a n Name Turn smoothing mode on/off Format L n H GS f nGS g 0 m nL nH GS g 2 m nL nH GS k m d1...dk NUL GS k m n d1...dn D1...dn = 11 ≤ d ≤ 57 where d1 = JAN13 / EAN13 = 12 Bar code system Range of n Range of d= 11 = 7 GS r n GS w n Obsolete Commands ESCESC m 6DF ESC u n FS p n m X H y L y H d1...dk1...x L x H y L y H d1...dkn GS v 0 m x L x H y L y H d1...dk Appendix a Miscellaneous Notes Table A.1 Paper Feeding Amount App.3 App.2 Other Notes Appendix B Paper Roll Setup Replacing the Paper Roll Appendix C Recovery from the Auto Cutter Error Table D.1 Adjustment Positions Figure D.1 Near-end Adjusting Position Appendix E Print Head Cleaning Figure E.1 Print Head Thermal Elements Appendix F Notes on Using the Drawer KICK-OUT Connector T1 ⋅ 2ms Ii. For DLE DC4 ∗WAIT300MS Return About updating the maintenance counter Power off procedure by the host Appendix H Notes on Printing 2-DIMENSIONAL Code Figure I-1 Slant of the Print Appendix J Notes on Using the ASB Status END