Oki ML591 MICROLINE Reference Manual - Page 154

Characters for Each Code Set 24-Pin Printers, Table 89: IBM/Epson Select Code 128 Command

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Code 128 Bar Code Commands Code 128 has 106 different characters, each of which can have any one of three different meanings depending on which code set is engaged: Table 88: IBM/Epson Select Code 128 Command - Characters for Each Code Set (24-Pin Printers) Code Set A B C Characters ASCII NUL to ' DC3 to DLE 0 to 9 Dec 0 to 96 25 to 127 48 to 57 Hex 00 to 60 19 to 7F 30 to 39, in 2-digit pairs A special code at the beginning indicates which set is engaged: three shift codes are also available for use within the bar code to indicate a change in the code set engaged. Select Code 128 Bar Code Command The command for selecting Code 128 is ESC DLE A m 4 0 n3 n4 n5 0 0 n8 Which set will be engaged is entered using the Print Code 128 Bar Code Command described below. Code 128 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. Code 128 Parameter n5 This parameter sets the maximum width of one character in 1/360" increments as follows: Table 89: IBM/Epson Select Code 128 Command - Character Widths for Parameter n5 Values (24-Pin Printers) Value of n5 1 2 3 4 5 6 7 Character Width 55/360" 77/360" 110/360" 132/360" 165/360" 187/360" 220/360" 116 Chapter 11: Bar Code Commands for 24-Pin Printers

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Chapter 11: Bar Code Commands for 24-Pin Printers
116
Code 128 Bar Code Commands
Code 128 has 106 different characters, each of which can have any one of three different
meanings depending on which code set is engaged:
Table
88: IBM/Epson Select Code 128 Command —
Characters for Each Code Set (24-Pin Printers)
Characters
Code Set
ASCII
Dec
Hex
A
B
C
NUL to '
DC3 to DLE
0 to 9
0 to 96
25 to 127
48 to 57
00 to 60
19 to 7F
30 to 39, in 2-digit pairs
A special code at the beginning indicates which set is engaged: three shift codes are also
available for use within the bar code to indicate a change in the code set engaged.
Select Code 128 Bar Code Command
The command for selecting Code 128 is
ESC DLE A m 4 0 n
3
n
4
n
5
0 0 n
8
Which set will be engaged is entered using the Print Code 128 Bar Code Command described
below.
Code 128 Parameters n
3
and n
4
These parameters set the vertical length of the bars in units of 15/180", as calculated by the
equation
[(n
3
x 10) + n
4
] x 15/180"
where the total value must be less than or equal to 25.
Code 128 Parameter n
5
This parameter sets the maximum width of one character in 1/360" increments as follows:
Table 89: IBM/Epson Select Code 128 Command —
Character Widths for Parameter n
5
Values (24-Pin Printers)
Value of n
5
Character Width
1
2
3
4
5
6
7
55/360"
77/360"
110/360"
132/360"
165/360"
187/360"
220/360"