User Manual and Technical Guide The O'Neil microFlash Series of Printers Custom Receipts and Labels • 55
FF Form Feed
Format: FF
Dec: 12
Hex: 0C
Function: Will print the current line being formed, then advance the
paper to top of form.
LF Line Feed
Format: LF
Dec: 10
Hex: 0A
Function: Line feed will cause the line to print and the paper to
advance.
CR Carriage Return
Format: CR
Dec: 13
Hex: 0D
Function: Like a line feed (see above), the carriage return command
will cause the line to print and the paper to advance.
O’Neil has provided both commands for the convenience
of all programmers, some of whom may be more used to
using a Line Feed command, some of whom are more
used to using Carriage Return. Note: To print and advance
“n” lines, use that number of CR commands (or LF
commands, or CR/LF or LF/CR combinations).
ESC w n Select Font
Format: ESC w n
Dec: 27 119 n
Hex: 1B 77 n
Function: Selects a font from the following list, given “n,” a binary
eight-bit number. The first three fonts in the table below
are permanent fonts. The next four have been added for
you but can be removed. The default font style is a 20.4
cpi font (n= 33 decimal, 21 hexadecimal.)