■ This command selects white/black reverse printing mode by setting the least significant bit of n.
• When the LSB of n is 0, white/black reverse mode is turned off.
• When the LSB of n is 1, white/black reverse mode is turned on.
■ This command does not affect multi-byte characters such as Kanji, Japanese and Korean.
■ The right space defined by ESC SP is affected by this command.
■ In white/black reverse mode, the underline mode is not effective.
■ This mode remains effective until ESC @, printer reset or power cycling is executed.