Lexmark T656 - Page 37

One-dimensional bar codes
34
Bar code descriptor for RM4SCC British Royal Mail 4-State customer code symbol
Bar code descriptor for Japan Post 4-State bar code
Byte Field name Range
Default
value
Description
0-1 Symbology ID 00 16(hex)
22 (dec)
Selects British Royal Mail 4-State customer
code symbology
2 Bar Width 26-3F (hex)
38-63 (dec)
32 (hex)
50 (dec)
Sets the bar width in 1/100 mm
3 Bar Pitch 14-18 (hex)
20-24 (dec)
16 (hex)
22 (dec)
Sets the number of bars that print per inch
4 Tracker Height 66-98 (hex)
102-152 (dec)
7F (hex)
127 (dec)
Sets the tracker height in 1/100 mm
5 Ascender,
Descender Offset
A0-D8 (hex)
160-216 (dec)
BC (hex)
188 (dec)
Sets the ascender and descender offset in
1/100 mm; the total height of an ascender
or descender will be the sum of this field
and the tracker height
6-15 Reserved
Note: All seven code formats are supported. The format will be implied on the type of data received.
Embedded spaces and commas are allowed.
Byte Field name Range
Default
value
Description
0-1 Symbology ID 00 17(hex)
23 (dec)
Selects Japan Post 4-State bar code
symbology
2 Bar Code Size
“a”
50-73 (hex)
80-115 (dec)
64 (hex)
100 (dec)
Sets overall bar code size. This value
called “a” is a unit-less value multiplying
factor used below in other parameters
3 Bar Width 0.5a-0.7a 0.6a Set the bar width
(a = bar code size from byte 2)
4 Space Width 0.45a-0.6a 0.6a Sets space width
(a = bar code size from byte 2)
5 Timing Bar Height 1.05a-1.35a 1.2a Sets the timing bar height
(a = bar code size from byte 2)
6-7 Long Bar Height 3.4a-3.6a 3.6a Sets the long bar height
(a = bar code size from byte 2)