Epson PowerLite 4100 Operator's Manual page 223

ESC =
ASCII: ESC =
Control: [ =
CTRL
Decimal: 27 61
Hexadecimal: 1B 3D
Forces the most significant bit (MSB) of character codes to logic 0 so that
characters are printed from the lower half of Epson character sets (as
non-italic characters). Overrides the logic of the MSB in data sent from
the host. ESC = is cancelled by ESC #.
ESC >
ASCII: ESC >
Control: [ >
CTRL
Decimal: 27 62
Hexadecimal: 1B 3E
Forces the most significant bit (MSB) of character codes to logic 1 so that
characters are printed from the upper half of Epson character sets (as
italic characters). Overrides the logic of the MSB in data sent from the
host. ESC > is cancelled by ESC #.
ESC #
ASCII: ESC #
Control: [ #
CTRL
Decimal: 27 35
Hexadecimal: 1B 23
Cancels MSB control enforced by ESC = or ESC >. Causes the printer to
return to the left margin, then print from left to right for one line only.
Operator's Guide 203
Clear MSB
Set MSB
Cancel MSB Control