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Cause
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The Bar Code Printing function is not enabled, resulting in the creation of oversized fonts that use up the memory.
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Remedy
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Set the BarDIMM menu to 'Enable', and print the data again.
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Cause
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The BarDIMM menu is set to 'Disable'.
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Remedy
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Set the BarDIMM menu to 'Enable', and print the data again.
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Cause 1
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The bar code data was not created properly.
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Remedy
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Make sure to use the correct format for the type of bar code that you want to make.
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Cause 2
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The bar code reader is not set to read the symbologies you are printing.
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Remedy
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Make sure that the bar code reader is compatible with the symbologies you are trying to print.
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Cause
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The character symbol set command has not been sent.
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Remedy
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Make sure to send the character symbol command, as well as any other font selection sequence after the bar code data (e.g., <Esc>(10U for PC-850).
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Cause
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The size and text of the bar code are not printed as expected.
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Remedy
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To print the German 25 Postal bar code in the correct layout, use 124 for the p parameter and 300 for the h parameter. For example, <Esc>(s124p300h24642T.
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Cause
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The number of encoded digits is not even, in multiples of two.
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Remedy
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If you are using a checksum, you must send an odd number of digits. (The calculated checksum will add one character, making the total data length an even number.)
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Cause
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In all laser printers, thin lines do not have a perfectly clean edge because the toner particle shape is not square. This results in narrow black bars that are wider than the blank spaces of the same width.
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Remedy
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Fine tune the bar width using the b and s parameters to reduce the horizontal width of the thin black bars, or use the s parameter to widen the thin white bars (blank spaces).
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Cause
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As bar codes are printed at the current cursor position from the baseline to the top of the page, they may not be printed correctly (i.e., wrong height or caption text in the middle of the bar code).
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Remedy
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Make sure that you set the cursor in a vertical position, compatible with the bar code height.
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Cause
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The bar code selection sequence was sent before you sent the space characters to position the bar code. As a result, the spaces are separate from the bar code data, and the bar code is much wider than expected (usually across the page).
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Remedy
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When you position the cursor horizontally using blank spaces to position the bar code in the right place, you must send the bar code selection sequence after sending the space characters to move it horizontally.
If you can only send the bar code selection sequence at the beginning of the line, use the special 39 symbology specifications with no starting spaces (IDs 24670 and 24671). This symbology does not include the starting spaces in the bar code data.
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Cause
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A bar code calling sequence has been inserted into a PCL5 macro without the proper bar code data.
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Remedy
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Insert the bar code calling sequence with the bar code data into the PCL macro. If an application needs to send the same bar code multiple times, it can include the calling sequence with the PCL macro, and invoke it in the required number of occurrences.
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