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Epson FX Emulation
Page 3-4
Set MSB to 0 ESC =
Sets the MSB (most significant bit) of all following data to zero. Some computers
always set the MSB to one, causing all characters to print in italic mode. This escape
sequence can overcome the problem. The problem can also be avoided by selecting
"Data Bits: 7" in the "Setup: INTERFACE" menu.
Escape Sequence: ESC =
Hexadecimal: 1B 3D
Set MSB to 1 ESC >
Sets the MSB (most significant bit) of all following data to one. This escape
sequence allows the eighth bit to be turned on, even if the computer and printer are
connected via a 7-bit I/O interface. The eighth bit may be useful for 8-pin graphics
data, or for accessing italic characters.
Escape Sequence: ESC >
Hexadecimal: 1B 3E
Cancel MSB Control ESC #
Cancels the MSB (most significant bit) control set by ESC = or ESC >. This causes
the eighth data bit sent from the host computer to be accepted as is.
Escape Sequence: ESC #
Hexadecimal: 1B 23
Deselect Printer DC3
(or) XOFF
Deselects the printer. Use of this command is discouraged, because the printer will
remain offline until an operator presses the ONLINE button on the control panel.
Control code: DC3
Hexadecimal: 13