Datamax-O'Neil APEX Series Programmer’s Manual - Manual (Page 50)

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Escape Sequence: ESC L g 1
Hexadecimal: 1B 4C 67 31
Decimal: 27 76 103 49
Example 2: The following example replaces logo location 1 with the logo image contained in logo.prn file.
The following escape commands must be sent sequentially and are necessary to complete logo download.
Escape sequence 1: ESC D
L CR LF
Escape sequence 2: ESC L G 1 CR LF
Escape sequence 3:logo.prn file
Escape sequence 4: ESC L G 0xFF CR LF
Escape sequence 5: ESC L g 1
The following table represents the LED behavior for each Escape sequence during logo download.
Command Description Printer Response LED Status
ESC D L CR LF Select Logo Download Mode ? Power LED - Flashing Green
MRC & Error – Steady Red
ESC L G n CR LF Select Memory Location none Power LED - Flashing green
Send Graphic Logo File Send a Binary file with the Logo
image none Power LED - Flashing green
ESC L G 0xFF CR LF Stop Loading Graphic Logo D!X While the logo is being burned
Power LED – Steady Green
MRC & Error – Steady Red
When Burning complete
Power LED – Steady Green
ESC L g n Print Graphic Logo Printer Prints Logo n none
Note: The above logo download commands are intended for Developers only. Please contact Customer Support for any
Logo Download Utilities.
Download – Fonts
Enable Font Downloading ESC D F CR
This command will enable the font download feature.
Escape Sequence: ESC D F CR
Hexadecimal: 1B 44 46 0D
Decimal: 27 68 70 13
Display Tables Information ESC F I CR
This command will instruct the printer to display the font table’s information at the host. The printer must be connected
to the host in order to receive the font table’s information.
Escape Sequence: ESC F I CR
Hexadecimal:
1B 46 49 0D
Decimal: 27 70 73 13
Command is valid after ESC, D, F, CR