Position
Element
Name
Type
Requirement
Min
Max
Repeat
MSG01
Free-form Message Text
String (AN)
Mandatory
1
264
1
Free-form message text
MSG02
Printer Carriage Control Code
Identifier (ID)
Conditional
2
2
1
Code identifying the control of the line feed of the receiving printer
MSG02 is not related to the specific characteristics of a printer, but identifies top of page, advance a line, etc.
MSG03
Number
Numeric (N0)
Optional
1
9
1
A generic number
C0302: If MSG-03 is present, then MSG-02 is required
MSG03 is the number of lines to advance before printing.
If MSG02 is "AA - Advance the specified number of lines before print" then MSG03 is required.