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Epson A794-D100 Real Time Status Transmission, Related Information = Transmit Printer Status

Models: A794-D100

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Chapter 6: Programming Information

A794 Owner’s Guide

Real Time Status Transmission

Transmits the selected one byte printer status specified by n in Real Time according to the following parameters. This command includes two sequences: GS and DLE.

	GS Sequence	DLE Sequence
ASCII	GS EOT n	DLE EOT n
Hexadecimal	1D 04 n	10 04 n
Decimal	29 4 n	16 4 n
Value of n	GS Sequence

1 = Transmit printer status

2= Transmit RS-232C busy status

3= Transmit error status

4= Transmit receipt paper status

DLE Sequence

1 = Transmit printer status

2= Transmit RS-232C busy status

3= Transmit error status

4= Transmit receipt paper status

Exceptions

The command is ignored if n is out of range.

Related Information

1 = Transmit Printer Status

Bit	Status	Hex	Decimal	Function
0	Off	00	0	Fixed to Off.
1	On	02	2	Fixed to On.
2	Off	00	0	One or both cash drawers open.
	On	04	4	Both cash drawers closed.
3	Off	00	0	Not busy at the RS-232C interface.
	On	08	8	Printer is Busy at the RS-232C
				interface.
4	On	10	16	Fixed to On.
5				Undefined.
6				Undefined.
7	Off	00	0	Fixed to Off.

104	March 1999

Image 110

Epson A794-D100 manual Real Time Status Transmission, Related Information = Transmit Printer Status

Contents

Owners Guide Page Legal Notices DisclaimerPower Supply Contents Communication Interface Programming InformationDescription of Printer Models Available InstallationsFeatures Options Description of Printer Communication Interfaces Models AvailableModel Identification Installations Setting up the printerFeatures On a Flat Surface Vertically see noteOptions Using the Printer Printer Controls Changing Paper Testing the PrinterPaper Feed Button Reset ButtonPrinter Controls Tone Changing Paper A794 Owner’s Guide Paper jams Troubleshooting the Printer Testing the Printer Poorly printed test printout Troubleshooting the Printer Troubleshooting the Printer Printer Tone and Green LEDPrinting Problems Printer Does Not WorkOrdering Thermal Paper Ordering Miscellaneous SuppliesOrdering Thermal Paper Thermal Paper SpecificationsHow to Order ManufacturersOrdering Cash Drawers Ordering Power Supply and Power CordOrdering Miscellaneous Supplies Ordering Communication Cables Wall-Mount KitCharacter Sets Paper Specifications Print ZonesCharacters Size CharactersPrint Modes StandardPrint Zones for 80 mm Paper Paper SpecificationsPrint Zones Print Zones for 82.5 mm Paper Character Sets CodeCode Code Code Code Code Code Code Communication Overview RS-232C InterfaceUsing Basic to Send Commands Sending CommandsUsing DOS to Send Commands Communication OverviewRS-232C Interface Print Speed and TimingXON/XOFF Protocol DTR/DSR ProtocolPower Connector RS-232C Technical SpecificationsCommunication Connectors Pin DB-9 Connector Pin DB-25 ConnectorCash Drawer Connector RS-232C SettingsIeee Bi-directional Parallel Connector Parallel InterfaceCommunication Interface List of Commands Comparisons Command Descriptions Programming InformationList of Commands Programming Information26 s c1 c2 n1 d1...nn dn NL nH Comparisons 1D 2A n1 n2 d1...dnCommand Descriptions Command ConventionsPerform Full Knife Cut Printer Function CommandsClear Printer Hexadecimal Decimal ExceptionsHexadecimal Perform Partial Knife CutGenerate Tone Decimal FormulasSelect Print Mode Value of nInitialize Printer Hexadecimal Decimal DefaultSelect Peripheral Device for Multi-Drop Range of n Select Paper Sensors to Output Paper End SignalsDefault of n Exceptions Enable or Disable Panel Button Select Sensors to Stop PrintingRange of k Read from Non-Volatile MemoryGenerate Pulse to Open Cash Drawer Value of p1Value of n1 Select Cut Mode and Cut PaperWrite to Non-Volatile Memory Nvram Value of n2Activate Carriage Return Vertical Positioning and Print CommandsPrint and Feed One Line Feed n Print LinesAdd n Extra Dot Rows Range of n DefaultFeed n Dot Rows Set Line Spacing to 1/6 Inch PrintSet Column Set Line Spacing Print and Feed PaperPrint and Feed n Lines Set Right-Side Character Spacing Horizontal Positioning CommandsHorizontal Tab Set Absolute Starting Position Value of k Default Set Horizontal Tab PositionsSet Relative Print Position Select Justification Compatibility Information A794 receipt vs. A793 receiptRange of nH Set Left MarginRange of nL Set Horizontal and Vertical Minimum Motion Units GS P x ySet Printing Area Width Select Single-Wide Characters Print Characteristics CommandsSelect Double-Wide Characters Hexadecimal Decimal Related Information Select 90 Degree Counter-Clockwise Rotated PrintSelect Pitch Column Width Select Character Set Define User-Defined Character Set Values and RangesSelect or Cancel Underline Mode ESC 0 0 Cancel User-Defined CharacterCopy Character Set from ROM to RAM Select or Cancel Emphasized Mode Select or Cancel Double StrikeSelect or Cancel Italic Print Select Character Code TableSelect International Character Set Select or Cancel 90 Degree Clockwise Rotated PrintSelect or Cancel Upside-Down Print Mode Select Or Cancel White/Black Reverse Print Mode Select or Cancel Smoothing ModeSelect Superscript or Subscript Modes Summary of Rotated PrintingDownload BMP Logo Graphics CommandsPrint Raster Graphics Hexadecimal Decimal Value= Number of dots to be moved from the beginning of the line Select Bit Image Mode Select Single-Density Graphics Select Double-Density Graphics Select the Current Logo Define Downloaded Bit Image RangesHexadecimal 1D 2F m Decimal Print Downloaded Bit ImageConvert 6 Dots/mm Bitmap to 8 Dots/mm Bitmap Value and Range of mPrinter Status Commands Request Alternate Status parallel printers only Transmit Peripheral Device Status RS-232C printers onlyTransmit Paper Sensor Status Hexadecimal Decimal ValuesTransmit Printer ID Hexadecimal 1D 49 n DecimalTransmit Printer ID, Remote Diagnostics Extension Values of nProgramming Information A794 Owner’s Guide Select or Cancel Automatic Status Back ASB Default ASB disabled Exceptions Undefined Off Not used. Fixed to off Transmit Status When n is out of the specified range, the command is ignored AX t Send Printer Software VersionPrint Test Form Real Time Commands Rules for Using Real Time CommandsBusy Line and Fault Conditions Moving Data through the BufferRecognizing Data from the Printer Real Time Request to Printer Real Time Status Transmission Related Information = Transmit Printer Status= Transmit Error Status = Transmit RS-232C Busy Status= Transmit Receipt Paper Status Real Time Printer Status Transmission Hexadecimal Decimal Value of ByteSelect Pitch of HRI Characters Bar Code CommandsSelect Printing Position of HRI Characters Select Bar Code Height Print Bar CodeUPC-A Default Formulas Select Bar Code WidthCancel Print Data in Page Mode Mode CommandsPrint and Return to Standard Mode Hexadecimal 0C Decimal ExceptionsHexadecimal 1B 0C Decimal Exceptions Print Data in Page ModeSelect Page Mode Hexadecimal 1B 4C Decimal ExceptionsSelect Standard Mode Ascii ESC SSelect Print Direction in Page Mode Default ExceptionsSet Print Area in Page Mode Select Character Size Set Absolute Vertical Print Position in Page Mode Set Relative Vertical Print Position in Page Mode Hexadecimal 1D 3A Decimal Formulas Macro CommandsSelect or Cancel Macro Definition Value of t Execute MacroValue of r Flash Download Commands Printer operationReturn Segment Number Status of Flash Memory Switch to Flash Download ModeReturn Boot Sector Firmware Part Number ESCGet Firmware CRC Return Boot Sector CRCSelect Flash Memory Sector to Download Range of n ExceptionsErase Selected Flash Sector Erase All Flash Contents Except Boot SectorReturn Main Program Flash CRC Download to Active Flash Sector Ch * 256 + cl Ffff hexadecimalMarch 127 Reset Firmware Erase User Flash SectorIndex Basic130 March March 131 132 March