Printronix ProLine 5 Series Manual page 143

Graphic CharSize
This parameter will emulate the graphic character size of the selected printer
model.
4234 – IBM 4234
67XX – Decision Data 67XX
Barcode Size
This parameter will emulate the bar code sizes of the selected printer model.
4234 – IBM 4234
67XX – Decision Data 67XX
64XX – IBM 6400 series
I–2/5 Checksum
This parameter defines the printer checksum calculation method for Interleaved 2
of 5 bar codes.
Standard (3/1) – The odd numbers will be multiplied by 3 and the even
numbers by 1 for calculation of the checksum.
Special (4/9) – The odd numbers will be multiplied by 4 and the even
numbers by 9 for calculation of the checksum.
NOTE: "Odd" refers to the 1st, 3rd, 5th... character in the bar code, while
"even" refers to the 2nd, 4th, 6th... character in the bar code.
4–90 Configuration Menus