Lexmark X792 Forms and Bar Code Card Technical Reference Guide - Page 38
USPS Facing identification marking FIM
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Byte Field name Range Default value Description 6-15 Reserved - - - Notes on Dutch Post data: • Data consists of a 6-character postcode (4 digits followed by 2 letters), followed optionally by a 1-5-digit house/postbox/freepost number, an "X" (or "x") separator character, and a 1-6 character house number extension (letters or digits). • For foreign addresses, data may consist of a 2-letter ISO country code, followed by a 1-16 character foreign postcode. Data that begins with a letter is assumed to be following this format. • Invalid characters or lengths in the post code, house/postbox/freepost number, house number extension, country code, or foreign postcode are flagged with an error. USPS Facing identification marking (FIM) Byte 0-1 2-15 Field name Symbology ID Reserved Range - - Default value Description 00 28 (hex) Specifies USPS FIM - - The only valid characters in this symbology are "A" (ASCII 65), "B" (ASCII 66), "C" (ASCII 67), and "D" (ASCII 68). These characters in the data produce, respectively, the FIM-A, FIM-B, FIM-C, and FIM-D patterns in the symbol. A single character of data producing one of the four defined FIM patterns is the expected use of this symbology. If more than one character of data is provided, then no space is inserted between the FIM patterns generated by the data characters. Invalid characters in the data are ignored, and do not produce any error message. FIM symbols are printed according to the USPS specification. Bar height is fixed at 5/8 inch, and bars and spaces have a fixed width of 1/32 inch. Cursor positioning is handled the same as for one-dimensional symbologies. One-dimensional bar codes 35