• The number of dots in the vertical direction is y Ч 8. • If x Ч y is out of the specified range, this command is ignored. • The d indicates bit-image data. Data ( d ) specifies a bit printed to 1 and not printed to 0. • After a downloaded bit-image is defined, it is available until ESC @ or ESC & is executed; the printer is reset; or the power is turned off. GS / m [Name] Print downloaded bit-image [Format] ASCII GS / m Hex 1D 2F m Decimal 29 47 m [Range] 0 ≤ m ≤ 3, 48 ≤ m ≤ 51 [Description] Prints a downloaded bit-image using the mode specified by m . m selects a mode from the table below: GS : [Name] Start/end macro definition [Format] ASCII GS :
Hex 1D 3A Decimal 29 58 [Description] Starts or ends macro definition. GS B n [Name] Turn white/black reverse printing mode on/off [Format] ASCII GS B n Hex 1D 42 n Decimal 29 66 n [Range] 0 ≤ n ≤ 255 [Description] Turns on or off white/black reverse printing mode. 5-20 Commands m Mode Vertical Dot Density (DPI) Horizontal Dot Density (DPI) 0, 48 1, 49 2, 50 3, 51 Normal Double-width Double-height Quadruple 180 180 90 90 180 90 180 90 m Mode Adjacent Dot Printing Maximum Number of Horizontal Dots 0, 48 1, 49 Normal Double-width Not available Available 800 400