Oki ML591 MICROLINE Reference Manual - Page 158
Table 95: IBM/Epson Select UPC A Command, Start/Stop Codes and Center Bars for Parameter n
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Table 95: IBM/Epson Select UPC A Command - Start/Stop Codes and Center Bars for Parameter n5 Values (24-Pin Printers) Value of n5 1 2 3 4 5 6 7 Start Code 12/360" 18/360" 27/360" 33/360" 42/360" 48/360" 57/360" Center Bar 28/360" 38/360" 53/360" 63/360" 78/360" 88/360" 103/360" Stop Code 12/360" 18/360" 27/360" 33/360" 42/360" 48/360" 57/360" UPC A Parameter n8 This parameter sets whether or not the readable characters are printed. n8 = 1: print readable characters n8 = 0: do not print readable characters Print UPC A Bar Code Command The command for printing a UPC A bar code is ESC DLE B m [data] where parameter m designates the number of characters which will follow in the data. If you wish to include a check digit, enter the ASCII character @ (64 Dec, 40 Hex) at the end of the data. UPC E Bar Code Commands UPC E bar coding is a six-digit variation of UPC A, used for labeling small items. The digits can be any ASCII character from 0 to 9 (48 to 57 Dec, 30 to 39 Hex). Select UPC E Bar Code Command The command for selecting UPC E is ESC DLE A m 1 4 n3 n4 n5 0 0 n8 UPC E Parameters n3 and n4 These parameters set the vertical length of the bars in units of 15/180", as calculated by the equation [(n3 x 10) + n4] x 15/180" where the total value must be less than or equal to 25. 120 Chapter 11: Bar Code Commands for 24-Pin Printers