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User's Guide
Code Sets D-49
Bar Code Escape Sequences
Table D-7 lists the escape sequences that can be sent to the printer to
print bar code symbols. For more information on printing bar code
symbols, refer to the Bar Codes appendix in this guide and to the AMT
Bar Code Option Operating Guide sold separately by AMT.
Table D-7. Bar Code Escape Sequences
Function ASCII Hexadecimal Decimal Description
Select bar code emulation . ESC ESC E BS 1B 1B 45 08 27 27 69 8 This sequence selects the bar code emulation.
Bar code format................. ESC [ p1 ; p2 ; 1B 5B p1 3B p2 3B 27 91 p1 59 p2 59 This sequence selects a bar code symbology and defines
p3 ; p4 ; p5 ; p3 3B p4 3B p5 3B p3 59 p4 59 p5 59 the bar code height, whether to print a human-readable
p6 ; p7 ; p8 } p6 3B p7 3B p8 7D p6 59 p7 59 p8 125 line of text, and the widths of bar code components.
Define symbology––p1
Interleaved 2-of-5 ...... 0 30 48 Parameter p1 in the sequence selects the bar code sym-
Code 3-of-9 (default) 4 34 52 bology. At left, are the possible p1 values.
EAN-8 ....................... 5 35 53
EAN-13..................... 6 36 54 Parameter p2 defines the height of bar code symbols in
Codabar–a ................. 9 39 57 1/12-inch intervals. p2 values can range from 1 to 120.
Codabar–b................. 10 31 30 49 48 If p2 is set to 0, the printer will use the default height of
Codabar–c ................. 11 31 31 49 49 3/4 inch.
Codabar–d................. 12 31 32 49 50
UPC-A ...................... 13 31 33 49 51 Parameter p3 defines whether or not to print a human-
UPC-E....................... 14 31 34 49 52 readable line of text below each bar code symbol. p3
Code 128................... 15 31 35 49 53 must be set to 0 for no human-readable line or 1 to include
the human-readable line.
Parameters p4 through p8 set the widths of bars and
spaces in bar code symbols:
Default Default
Par. Setting Formula Value Width
p4 Narrow bar 0.014 + (0.010 x (p4 - 1)) 1 0.014
p5 Wide bar 0.014 + (0.010 x (p5 - 1)) 3 0.034
p6 Narrow space 0.006 + (0.010 x (p6 - 1)) 2 0.016
p7 Wide space 0.006 + (0.010 x (p7 - 1)) 4 0.036
p8 Interchar. gap 0.006 + (0.010 x (p8 - 1)) 2 0.016
Note: Parameters p1 through p8 are optional
––you need
only include the ones with values that you want to change.
You must, however, include all of the semicolons in the
command up to the last parameter defined.
Print Bar Code
Start ................................ ESC [ 4 t 1B 5B 34 74 27 91 52 116 These sequences have the printer print all subsequent data
Start (alternate) ............... ESC [ 3 t 1B 5B 33 74 27 91 51 116 as a bar code symbol until an end sequence is received.
Start (POSTNET only) .... ESC z 1B 7A 27 122 The actual data to be encoded into the bar code symbol
End ................................. ESC [ 0 t 1B 5B 30 74 27 91 48 116 should be sent between the start and end sequences.
End (Code 128 only) ...... \ ESC [ 0 t 5C 1B 5B 30 74 92 27 91 48 116
End (POSTNET only) ..... \ 5C 92
User's Guide
Code Sets D-49
Bar Code Escape Sequences
Table D-7 lists the escape sequences that can be sent to the printer to
print bar code symbols. For more information on printing bar code
symbols, refer to the Bar Codes appendix in this guide and to the AMT
Bar Code Option Operating Guide sold separately by AMT.
Table D-7. Bar Code Escape Sequences
Function ASCII Hexadecimal Decimal Description
Select bar code emulation . ESC ESC E BS 1B 1B 45 08 27 27 69 8 This sequence selects the bar code emulation.
Bar code format................. ESC [ p1 ; p2 ; 1B 5B p1 3B p2 3B 27 91 p1 59 p2 59 This sequence selects a bar code symbology and defines
p3 ; p4 ; p5 ; p3 3B p4 3B p5 3B p3 59 p4 59 p5 59 the bar code height, whether to print a human-readable
p6 ; p7 ; p8 } p6 3B p7 3B p8 7D p6 59 p7 59 p8 125 line of text, and the widths of bar code components.
Define symbology––p1
Interleaved 2-of-5 ...... 0 30 48 Parameter p1 in the sequence selects the bar code sym-
Code 3-of-9 (default) 4 34 52 bology. At left, are the possible p1 values.
EAN-8 ....................... 5 35 53
EAN-13..................... 6 36 54 Parameter p2 defines the height of bar code symbols in
Codabar–a ................. 9 39 57 1/12-inch intervals. p2 values can range from 1 to 120.
Codabar–b................. 10 31 30 49 48 If p2 is set to 0, the printer will use the default height of
Codabar–c ................. 11 31 31 49 49 3/4 inch.
Codabar–d................. 12 31 32 49 50
UPC-A ...................... 13 31 33 49 51 Parameter p3 defines whether or not to print a human-
UPC-E....................... 14 31 34 49 52 readable line of text below each bar code symbol. p3
Code 128................... 15 31 35 49 53 must be set to 0 for no human-readable line or 1 to include
the human-readable line.
Parameters p4 through p8 set the widths of bars and
spaces in bar code symbols:
Default Default
Par. Setting Formula Value Width
p4 Narrow bar 0.014 + (0.010 x (p4 - 1)) 1 0.014
p5 Wide bar 0.014 + (0.010 x (p5 - 1)) 3 0.034
p6 Narrow space 0.006 + (0.010 x (p6 - 1)) 2 0.016
p7 Wide space 0.006 + (0.010 x (p7 - 1)) 4 0.036
p8 Interchar. gap 0.006 + (0.010 x (p8 - 1)) 2 0.016
Note: Parameters p1 through p8 are optional
––you need
only include the ones with values that you want to change.
You must, however, include all of the semicolons in the
command up to the last parameter defined.
Print Bar Code
Start ................................ ESC [ 4 t 1B 5B 34 74 27 91 52 116 These sequences have the printer print all subsequent data
Start (alternate) ............... ESC [ 3 t 1B 5B 33 74 27 91 51 116 as a bar code symbol until an end sequence is received.
Start (POSTNET only) .... ESC z 1B 7A 27 122 The actual data to be encoded into the bar code symbol
End ................................. ESC [ 0 t 1B 5B 30 74 27 91 48 116 should be sent between the start and end sequences.
End (Code 128 only) ...... \ ESC [ 0 t 5C 1B 5B 30 74 92 27 91 48 116
End (POSTNET only) ..... \ 5C 92