Lexmark MX722 Forms and Bar Code Card P4.2 Technical Reference - Page 136

-State postal widths, HRT widths and heights

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Lexmark Confidential until announced Appendix F - Deviations 136 The commercially viable limit for a typical one-dimensional bar code is 20-25 characters. Large bar codes may not fit on the page, or the reliability of the scan may decline with a large amount of encoding data. However, the BCE still attempts to encode this data until the image fails. There is no warning or error associated with garbled images generated by a large amount of data. The maximum amount of input data is shown in the table. This table is just a guide and changes depending on the following assumptions: • Amount of RAM in the printer • Version of the BCE • Compiler or linker used Symbology Industrial 2 of 5 Code 3 of 9 Code 3 of 9 extended MSI MSI with mod10 check digit MSI with mod10 and mod10 check digit MSI with mod11 and mod10 check digit Typeface 24650T 24670T 24680T 24760T 24761T 24762T 24763T Maximum characters 388 339 339 454 453 452 452 Note: If bar code image corruption occurs when a large amount of data is encoded, then reduce the amount of encoded data. The user must also change to a more capable bar code symbology. 4-State postal widths The BCE creates 4-State postal images that are slightly different from HP BarDIMM Pro and Forms and Bar Code Card images. Note: Exact size compatibility of certain 4-State bar code images with previous Lexmark bar code options is not guaranteed. However, the proper order and placement of the bars and spaces is the same, and the bar code also scans correctly. If the bar code image does not fit within the available space, then resize it to allow the placement of current and previous bar code images. You can also specify the number of rows and columns using the available PCL or PostScript controls. If the data stream controls are adjusted, then the corresponding image is the same on both current and previous bar code products. The image also fits within the available space. HRT widths and heights The BCE uses the FreeType font renderer with custom SuchyMIPS-generated fonts to produce the HRT on bar codes. Sometimes, the HRT may differ in size or may not be positioned exactly as on HP BarDIMM Pro or Forms and Bar Code Card. However, the HRT should be readable, legible, and approximately the same as the target platforms.

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The commercially viable limit for a typical one-dimensional bar code is 20–25 characters. Large bar codes may
not fit on the page, or the reliability of the scan may decline with a large amount of encoding data. However,
the BCE still attempts to encode this data until the image fails. There is no warning or error associated with
garbled images generated by a large amount of data.
The maximum amount of input data is shown in the table. This table is just a guide and changes depending on
the following assumptions:
•
Amount of RAM in the printer
•
Version of the BCE
•
Compiler or linker used
Symbology
Typeface
Maximum characters
Industrial 2 of 5
24650T
388
Code 3 of 9
24670T
339
Code 3 of 9 extended
24680T
339
MSI
24760T
454
MSI with mod10 check digit
24761T
453
MSI with mod10 and mod10 check
digit
24762T
452
MSI with mod11 and mod10 check
digit
24763T
452
Note:
If bar code image corruption occurs when a large amount of data is encoded, then reduce the amount
of encoded data. The user must also change to a more capable bar code symbology.
4-State postal widths
The BCE creates 4-State postal images that are slightly different from HP BarDIMM Pro and Forms and Bar
Code Card images.
Note:
Exact size compatibility of certain 4-State bar code images with previous Lexmark bar code options is
not guaranteed. However, the proper order and placement of the bars and spaces is the same, and the bar
code also scans correctly. If the bar code image does not fit within the available space, then resize it to allow
the placement of current and previous bar code images. You can also specify the number of rows and
columns using the available PCL or PostScript controls. If the data stream controls are adjusted, then the
corresponding image is the same on both current and previous bar code products. The image also fits within
the available space.
HRT widths and heights
The BCE uses the FreeType font renderer with custom SuchyMIPS-generated fonts to produce the HRT on bar
codes. Sometimes, the HRT may differ in size or may not be positioned exactly as on HP BarDIMM Pro or Forms
and Bar Code Card. However, the HRT should be readable, legible, and approximately the same as the target
platforms.
Lexmark Confidential until announced
Appendix F - Deviations
136