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Epson A794-D100 manual Set Line Spacing, Print and Feed Paper

Models: A794-D100

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Chapter 6: Programming Information

A794 Owner’s Guide

Set Line Spacing

Sets the line spacing to n/406 inch (n/16 mm).

The minimum line spacing is 8.5 lines per inch. The line spacing equals the character height when n is too small.

If the Set Horizontal and Vertical Minimum Motion Units command (1D 50) is used to change the horizontal and vertical minimum motion unit, the parameters of this command (Set Line Spacing) will be interpreted accordingly.

ASCII	ESC 3 n
Hexadecimal	1B 33 n
Decimal	27 51 n
Value of n	n/406 inch
Range of n	0-255
Default	0.13 inch (3.37 mm)

Related Information

For more information, see the description of the Set Horizontal and Vertical Minimum Motion Units command in this document.

Print and Feed Paper

Prints one line from the buffer and feeds the paper n/203 inch (n/8 mm). The line height equals the character height when n is too small.

If the Set Horizontal and Vertical Minimum Motion Units command (1D 50) is used to change the horizontal and vertical minimum motion units, the parameters of this command (Print and Feed Paper) will be interpreted accordingly.

ASCII	ESC J n
Hexadecimal	1B 4A n
Decimal	27 74 n
Value of n	n/203 inch
Range of n	0-255

Related Information

For more information, see the description of the Set Horizontal and Vertical Minimum Motion Units command in this document.

58	March 1999

Image 64

Epson A794-D100 manual Set Line Spacing, Print and Feed Paper

Contents

Owners Guide Page Legal Notices DisclaimerPower Supply Contents Communication Interface Programming InformationFeatures Options InstallationsDescription of Printer Models Available Description of Printer Model Identification Models AvailableCommunication Interfaces Installations Setting up the printerFeatures On a Flat Surface Vertically see noteOptions Using the Printer Printer Controls Changing Paper Testing the PrinterPrinter Controls Reset ButtonPaper Feed Button 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 SuppliesThermal Paper Specifications How to OrderOrdering Thermal Paper ManufacturersOrdering Miscellaneous Supplies Ordering Power Supply and Power CordOrdering Cash Drawers Ordering Communication Cables Wall-Mount KitCharacters Paper Specifications Print ZonesCharacter Sets Characters Print ModesSize StandardPrint Zones Paper SpecificationsPrint Zones for 80 mm Paper Print Zones for 82.5 mm Paper Character Sets CodeCode Code Code Code Code Code Code Communication Overview RS-232C InterfaceSending Commands Using DOS to Send CommandsUsing Basic to Send Commands Communication OverviewRS-232C Interface Print Speed and TimingXON/XOFF Protocol DTR/DSR ProtocolRS-232C Technical Specifications Communication ConnectorsPower Connector 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 ConventionsPrinter Function Commands Clear PrinterPerform Full Knife Cut Hexadecimal Decimal ExceptionsPerform Partial Knife Cut Generate ToneHexadecimal Decimal FormulasSelect Print Mode Value of nSelect Peripheral Device for Multi-Drop Hexadecimal Decimal DefaultInitialize Printer Default of n Exceptions Select Paper Sensors to Output Paper End SignalsRange of n Enable or Disable Panel Button Select Sensors to Stop PrintingRead from Non-Volatile Memory Generate Pulse to Open Cash DrawerRange of k Value of p1Select Cut Mode and Cut Paper Write to Non-Volatile Memory NvramValue of n1 Value of n2Vertical Positioning and Print Commands Print and Feed One LineActivate Carriage Return Feed n Print LinesFeed n Dot Rows Range of n DefaultAdd n Extra Dot Rows Set Column PrintSet Line Spacing to 1/6 Inch Set Line Spacing Print and Feed PaperPrint and Feed n Lines Horizontal Tab Horizontal Positioning CommandsSet Right-Side Character Spacing 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 nL Set Left MarginRange of nH Set Horizontal and Vertical Minimum Motion Units GS P x ySet Printing Area Width Select Double-Wide Characters Print Characteristics CommandsSelect Single-Wide Characters Select Pitch Column Width Select 90 Degree Counter-Clockwise Rotated PrintHexadecimal Decimal Related Information Select Character Set Define User-Defined Character Set Values and RangesSelect or Cancel Underline Mode Copy Character Set from ROM to RAM Cancel User-Defined CharacterESC 0 0 Select or Cancel Emphasized Mode Select or Cancel Double StrikeSelect or Cancel Italic Print Select Character Code TableSelect or Cancel Upside-Down Print Mode Select or Cancel 90 Degree Clockwise Rotated PrintSelect International Character Set Select Or Cancel White/Black Reverse Print Mode Select or Cancel Smoothing ModeSelect Superscript or Subscript Modes Summary of Rotated PrintingGraphics Commands Print Raster GraphicsDownload 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 Define Downloaded Bit Image RangesPrint Downloaded Bit Image Convert 6 Dots/mm Bitmap to 8 Dots/mm BitmapHexadecimal 1D 2F m Decimal 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 Print Test Form Send Printer Software VersionAX t 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 Printing Position of HRI Characters Bar Code CommandsSelect Pitch of HRI Characters Select Bar Code Height Print Bar CodeUPC-A Default Formulas Select Bar Code WidthMode Commands Print and Return to Standard ModeCancel Print Data in Page Mode Hexadecimal 0C Decimal ExceptionsPrint Data in Page Mode Select Page ModeHexadecimal 1B 0C Decimal Exceptions 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 Select or Cancel Macro Definition Macro CommandsHexadecimal 1D 3A Decimal Formulas Value of r Execute MacroValue of t Flash Download Commands Printer operationSwitch to Flash Download Mode Return Boot Sector Firmware Part NumberReturn Segment Number Status of Flash Memory ESCReturn Boot Sector CRC Select Flash Memory Sector to DownloadGet Firmware CRC Range of n ExceptionsReturn Main Program Flash CRC Erase All Flash Contents Except Boot SectorErase Selected Flash Sector Download to Active Flash Sector Ch * 256 + cl Ffff hexadecimalMarch 127 Reset Firmware Erase User Flash SectorIndex Basic130 March March 131 132 March