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Epson A794-D100 manual Models Available, Model Identification, Communication Interfaces

Models: A794-D100

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A794 Owner’s Guide

Chapter 1: About the Printer

Models Available

There are several models of the printer depending on the communication interface and the combination of options selected.

Model Identification

See the illustration for the features designated by the printer ID number.

A794 Model ID Key

A 7 9 4 - X X X X

1 = no knife

5 = knife

0 = standard character sets

n = other expanded language versions

1 = light gray case

2 = dark gray case

2 = 80.0 mm, 512K Flash

3 = 82.5 mm, 512K Flash

5 = 80.0 mm, 1MB Flash

6 = 82.5 mm, 1MB Flash

Communication Interfaces

♦RS-232C Serial Interface

♦IEEE 1284 Bi-Directional Parallel

March 1999

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Epson A794-D100 manual Models Available, Model Identification, Communication Interfaces

Contents

Owners Guide Page Disclaimer Legal NoticesPower Supply Contents Programming Information Communication InterfaceInstallations Features OptionsDescription of Printer Models Available Description of Printer Models Available Model IdentificationCommunication Interfaces Setting up the printer InstallationsOn a Flat Surface Vertically see note FeaturesOptions Printer Controls Changing Paper Testing the Printer Using the PrinterReset Button Printer ControlsPaper Feed Button Tone Changing Paper A794 Owner’s Guide Paper jams Troubleshooting the Printer Testing the Printer Poorly printed test printout Troubleshooting the Printer Printer Tone and Green LED Troubleshooting the PrinterPrinter Does Not Work Printing ProblemsOrdering Miscellaneous Supplies Ordering Thermal PaperHow to Order Thermal Paper SpecificationsOrdering Thermal Paper ManufacturersOrdering Power Supply and Power Cord Ordering Miscellaneous SuppliesOrdering Cash Drawers Wall-Mount Kit Ordering Communication CablesPaper Specifications Print Zones CharactersCharacter Sets Print Modes CharactersSize StandardPaper Specifications Print ZonesPrint Zones for 80 mm Paper Print Zones for 82.5 mm Paper Code Character SetsCode Code Code Code Code Code Code RS-232C Interface Communication OverviewUsing DOS to Send Commands Sending CommandsUsing Basic to Send Commands Communication OverviewPrint Speed and Timing RS-232C InterfaceDTR/DSR Protocol XON/XOFF ProtocolCommunication Connectors RS-232C Technical SpecificationsPower Connector Pin DB-9 Connector Pin DB-25 ConnectorRS-232C Settings Cash Drawer ConnectorParallel Interface Ieee Bi-directional Parallel ConnectorCommunication Interface Programming Information List of Commands Comparisons Command DescriptionsProgramming Information List of Commands26 s c1 c2 n1 d1...nn dn NL nH 1D 2A n1 n2 d1...dn ComparisonsCommand Conventions Command DescriptionsClear Printer Printer Function CommandsPerform Full Knife Cut Hexadecimal Decimal ExceptionsGenerate Tone Perform Partial Knife CutHexadecimal Decimal FormulasValue of n Select Print ModeHexadecimal Decimal Default Select Peripheral Device for Multi-DropInitialize Printer Select Paper Sensors to Output Paper End Signals Default of n ExceptionsRange of n Select Sensors to Stop Printing Enable or Disable Panel ButtonGenerate Pulse to Open Cash Drawer Read from Non-Volatile MemoryRange of k Value of p1Write to Non-Volatile Memory Nvram Select Cut Mode and Cut PaperValue of n1 Value of n2Print and Feed One Line Vertical Positioning and Print CommandsActivate Carriage Return Feed n Print LinesRange of n Default Feed n Dot RowsAdd n Extra Dot Rows Print Set ColumnSet Line Spacing to 1/6 Inch Print and Feed Paper Set Line SpacingPrint and Feed n Lines Horizontal Positioning Commands Horizontal TabSet Right-Side Character Spacing Set Absolute Starting Position Set Horizontal Tab Positions Value of k DefaultSet Relative Print Position Compatibility Information A794 receipt vs. A793 receipt Select JustificationSet Left Margin Range of nLRange of nH GS P x y Set Horizontal and Vertical Minimum Motion UnitsSet Printing Area Width Print Characteristics Commands Select Double-Wide CharactersSelect Single-Wide Characters Select 90 Degree Counter-Clockwise Rotated Print Select Pitch Column WidthHexadecimal Decimal Related Information Select Character Set Values and Ranges Define User-Defined Character SetSelect or Cancel Underline Mode Cancel User-Defined Character Copy Character Set from ROM to RAMESC 0 0 Select or Cancel Double Strike Select or Cancel Emphasized ModeSelect Character Code Table Select or Cancel Italic PrintSelect or Cancel 90 Degree Clockwise Rotated Print Select or Cancel Upside-Down Print ModeSelect International Character Set Select or Cancel Smoothing Mode Select Or Cancel White/Black Reverse Print ModeSummary of Rotated Printing Select Superscript or Subscript ModesPrint Raster Graphics Graphics CommandsDownload BMP Logo 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 Ranges Define Downloaded Bit ImageConvert 6 Dots/mm Bitmap to 8 Dots/mm Bitmap Print Downloaded Bit ImageHexadecimal 1D 2F m Decimal Value and Range of mPrinter Status Commands Transmit Peripheral Device Status RS-232C printers only Request Alternate Status parallel printers onlyHexadecimal Decimal Values Transmit Paper Sensor StatusHexadecimal 1D 49 n Decimal Transmit Printer IDValues of n Transmit Printer ID, Remote Diagnostics ExtensionProgramming 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 Send Printer Software Version Print Test FormAX t Rules for Using Real Time Commands Real Time CommandsMoving Data through the Buffer Busy Line and Fault ConditionsRecognizing Data from the Printer Real Time Request to Printer Related Information = Transmit Printer Status Real Time Status Transmission= Transmit RS-232C Busy Status = Transmit Error Status= Transmit Receipt Paper Status Hexadecimal Decimal Value of Byte Real Time Printer Status TransmissionBar Code Commands Select Printing Position of HRI CharactersSelect Pitch of HRI Characters Print Bar Code Select Bar Code HeightUPC-A Select Bar Code Width Default FormulasPrint and Return to Standard Mode Mode CommandsCancel Print Data in Page Mode Hexadecimal 0C Decimal ExceptionsSelect Page Mode Print Data in Page ModeHexadecimal 1B 0C Decimal Exceptions Hexadecimal 1B 4C Decimal ExceptionsAscii ESC S Select Standard ModeDefault Exceptions Select Print Direction in Page ModeSet Print Area in Page Mode Select Character Size Set Absolute Vertical Print Position in Page Mode Set Relative Vertical Print Position in Page Mode Macro Commands Select or Cancel Macro DefinitionHexadecimal 1D 3A Decimal Formulas Execute Macro Value of rValue of t Printer operation Flash Download CommandsReturn Boot Sector Firmware Part Number Switch to Flash Download ModeReturn Segment Number Status of Flash Memory ESCSelect Flash Memory Sector to Download Return Boot Sector CRCGet Firmware CRC Range of n ExceptionsErase All Flash Contents Except Boot Sector Return Main Program Flash CRCErase Selected Flash Sector Ch * 256 + cl Ffff hexadecimal Download to Active Flash SectorMarch 127 Erase User Flash Sector Reset FirmwareBasic Index130 March March 131 132 March