Lexmark Forms Printer 2491 Technical Reference - Page 27
IBM Emulation Mode Printer Commands, Control Codes
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IBM Emulation Mode Printer Commands Section 3 This section provides a detailed description of IBM emulation mode commands you can use with your printer. Control Codes Control codes are one-character printer commands that are used to: • Manage the printing of a job. • Control the movement of the cursor, which changes the current print position. • Control primary and secondary font selection. The first 32 characters of the Standard ASCII table are control codes. This printer uses the following control codes. Code Name Symbol Description Value (Dec) Null NUL Null character. 0 Sound BEL Sounds the printer beeper for 7 Beeper approximately 1 second. Backspace BS Causes the printer to move the current 8 print position one character position to the left. Horizontal HT Tab Moves the printhead to the horizontal 9 tabulation stops. Line Feed LF Advances the paper one line on the page. 10 Vertical Tab VT Moves the paper to the next vertical 11 tabulation stop set with the printer command Set Vertical Tabulation Stops (ESC B). Form Feed FF Advances the paper to the top of the next page and does a carriage return. 12 Value (Hex) 00 07 08 09 0A 0B 0C 27 Section 3: IBM Emulation Mode Printer Commands