Define Downloaded Bit Image, Ranges | Epson A794-D100 instruction

A794 Owner’s Guide

Chapter 6: Programming Information

Define Downloaded Bit Image

Enters a downloaded bit image (such as a logo) into RAM or Flash with the number of dots specified by n1 and n2. The downloaded bit image is available until power is turned off, another bit image is defined, or either Initialize Printer (1B 40), command is received.

See the illustration below for a graphic representation of the downloaded bit image.

	Column		Top of Graphic	Column
	Column			Column
	One			72 x 8 Max.
Row
One	d1	d
		65
	d2
				MSB
				dn
Row 64	d			dn
Max.	64			dn
Max.	64
				LSB

ASCII	GS * n1 n2 d1 ... dn]
Hexadecimal	1D 2A n1 n2 d1 ... dn]
Decimal	29 42 n1 n2 d1 ... dn]

Value of n

Value of n1	Value of n2	Value of d
1-72 (8 x n1 = Number of	1-64 (Number of	Bytes of Data (Printed
Horizontal Dot Columns)	Vertical Bytes)1	Down, Then Across)

1The number of bytes sent is represented by the following formula: n = 8 x n1 x n2 (n1 x n2 must be less than or equal to 4608).

Ranges

See table

Exceptions

See the illustration for the Print Downloaded Bit Image command (1D 2F) for a representation of the bit image.

March 1999

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Image 91

Epson A794-D100 manual Define Downloaded Bit Image, Ranges

Contents

Owners Guide Page Disclaimer Legal Notices Power Supply Contents Programming Information Communication Interface Features Options InstallationsDescription of Printer Models Available Description of Printer Model Identification Models AvailableCommunication Interfaces Setting up the printer Installations On a Flat Surface Vertically see note Features Options Printer Controls Changing Paper Testing the Printer Using the Printer Printer 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 Printer Tone and Green LED Troubleshooting the Printer Printer Does Not Work Printing Problems Ordering Miscellaneous Supplies Ordering Thermal Paper Manufacturers Thermal Paper SpecificationsHow to Order Ordering Thermal Paper Ordering Miscellaneous Supplies Ordering Power Supply and Power CordOrdering Cash Drawers Wall-Mount Kit Ordering Communication Cables Characters Paper Specifications Print ZonesCharacter Sets Standard CharactersPrint Modes Size Print Zones Paper SpecificationsPrint Zones for 80 mm Paper Print Zones for 82.5 mm Paper Code Character Sets Code Code Code Code Code Code Code RS-232C Interface Communication Overview Communication Overview Sending CommandsUsing DOS to Send Commands Using Basic to Send Commands Print Speed and Timing RS-232C Interface DTR/DSR Protocol XON/XOFF Protocol Pin DB-9 Connector Pin DB-25 Connector RS-232C Technical SpecificationsCommunication Connectors Power Connector RS-232C Settings Cash Drawer Connector Parallel Interface Ieee Bi-directional Parallel Connector Communication Interface Programming Information List of Commands Comparisons Command Descriptions Programming Information List of Commands 26 s c1 c2 n1 d1...nn dn NL nH 1D 2A n1 n2 d1...dn Comparisons Command Conventions Command Descriptions Hexadecimal Decimal Exceptions Printer Function CommandsClear Printer Perform Full Knife Cut Decimal Formulas Perform Partial Knife CutGenerate Tone Hexadecimal Value of n Select Print Mode Select Peripheral Device for Multi-Drop Hexadecimal Decimal DefaultInitialize Printer Default of n Exceptions Select Paper Sensors to Output Paper End SignalsRange of n Select Sensors to Stop Printing Enable or Disable Panel Button Value of p1 Read from Non-Volatile MemoryGenerate Pulse to Open Cash Drawer Range of k Value of n2 Select Cut Mode and Cut PaperWrite to Non-Volatile Memory Nvram Value of n1 Feed n Print Lines Vertical Positioning and Print CommandsPrint and Feed One Line Activate Carriage Return Feed n Dot Rows Range of n DefaultAdd n Extra Dot Rows Set Column PrintSet Line Spacing to 1/6 Inch Print and Feed Paper Set Line Spacing Print and Feed n Lines Horizontal Tab Horizontal Positioning CommandsSet Right-Side Character Spacing Set Absolute Starting Position Set Horizontal Tab Positions Value of k Default Set Relative Print Position Compatibility Information A794 receipt vs. A793 receipt Select Justification Range of nL Set Left MarginRange of nH GS P x y Set Horizontal and Vertical Minimum Motion Units Set 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 Values and Ranges Define User-Defined Character Set Select or Cancel Underline Mode Copy Character Set from ROM to RAM Cancel User-Defined CharacterESC 0 0 Select or Cancel Double Strike Select or Cancel Emphasized Mode Select Character Code Table Select or Cancel Italic Print Select or Cancel Upside-Down Print Mode Select or Cancel 90 Degree Clockwise Rotated PrintSelect International Character Set Select or Cancel Smoothing Mode Select Or Cancel White/Black Reverse Print Mode Summary of Rotated Printing Select Superscript or Subscript Modes Hexadecimal Decimal Value Graphics CommandsPrint Raster Graphics Download BMP Logo = 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 Image Value and Range of m Print Downloaded Bit ImageConvert 6 Dots/mm Bitmap to 8 Dots/mm Bitmap Hexadecimal 1D 2F m Decimal Printer Status Commands Transmit Peripheral Device Status RS-232C printers only Request Alternate Status parallel printers only Hexadecimal Decimal Values Transmit Paper Sensor Status Hexadecimal 1D 49 n Decimal Transmit Printer ID Values of n Transmit Printer ID, Remote Diagnostics Extension Programming 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 Rules for Using Real Time Commands Real Time Commands Moving Data through the Buffer Busy Line and Fault Conditions Recognizing 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 Transmission Select Printing Position of HRI Characters Bar Code CommandsSelect Pitch of HRI Characters Print Bar Code Select Bar Code Height UPC-A Select Bar Code Width Default Formulas Hexadecimal 0C Decimal Exceptions Mode CommandsPrint and Return to Standard Mode Cancel Print Data in Page Mode Hexadecimal 1B 4C Decimal Exceptions Print Data in Page ModeSelect Page Mode Hexadecimal 1B 0C Decimal Exceptions Ascii ESC S Select Standard Mode Default Exceptions Select Print Direction in Page Mode Set 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 Printer operation Flash Download Commands ESC Switch to Flash Download ModeReturn Boot Sector Firmware Part Number Return Segment Number Status of Flash Memory Range of n Exceptions Return Boot Sector CRCSelect Flash Memory Sector to Download Get Firmware CRC Return Main Program Flash CRC Erase All Flash Contents Except Boot SectorErase Selected Flash Sector Ch * 256 + cl Ffff hexadecimal Download to Active Flash Sector March 127 Erase User Flash Sector Reset Firmware Basic Index 130 March March 131 132 March