Epson TM-U220 Guide for right side up printing - Page 12

Confidential 2.1.2 Command Notation for the specific commands [Name] [Format] [Range] [Description] The name of the command. The code sequence. Gives the allowable ranges, if any, for the arguments. Describes the function of the command. GS ( z nL nH 0 S [Name] [Format] [Range] [Description] [Note] Start reverse block ASCII GS ( Hex 1D 28 Decimal 29 40 nL = 2 nH = 0 z nL nH 0 S 7A nL nH 30 53 122 nL nH 48 83 ï Defines the start of a block of text to be printed in reverse order. Printable data received after this command will be buffered. ï Once the ìend reverse blockî command is received, the entire block will be printed in reverse order. ï Unprintable commands such as status requests will be processed as they are received. ï This command is ignored if the printer has already begun processing a block of text in reverse order. ï This command is enabled only when processed at the beginning of the line. If this command processed at any other point, this command is ignored. ï It is terminated and printed by the following commands. Command name Function GS ( z 2 0 0 E End reverse block. GS V m Select cut mode and cut paper GS V m n Select cut mode and cut paper Note: On TM-U220 Type D, use the "GS ( z 2 0 0 E" command to terminate and print the defined block because TM-U220 Type D doesn't hav e an autocutter. ESC i and ESC m command are also terminate and print the defined block of text to be printed in reverese order. However, these commands are "obsolete commands." Obsolete commands: These are commands that will not be supported by future printer models. The description of each of these commands gives a better command to use for the same function. 4 Rev. A