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Chapter 2 Bar Code Failures
Table 6. Message List
Message | Explanation |
| Solution |
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Contrast too low | Data validation error: the | Increase Print Intensity or | |
Check media | contrast between bars and | reduce Print Speed in the | |
| spaces is not sufficient. This | QUICK SETUP menu or via | |
| can be caused by too little | host software, change | |
| heat in the thermal transfer or | media, or set Symbol | |
| by use of colored media or | Contrast = 0% (to disable it) | |
| ribbons. | in the VALIDATOR menu. | |
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Overall Grade | Overall data validation failure: | 1. Press PAUSE to clear | |
Fail | decodeability, percent |
| the message. |
| decode, defects, modulation, | 2. | Adjust the parameter |
| EC Min, Rmin, and/or symbol | ||
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| that is causing the | |
| contrast. |
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| failure. To see which | |
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| parameter is failing, run |
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| a Scan Report |
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| (page 63). |
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| 3. | Lower the Overall |
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| Grade to a point where |
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| the worst parameter |
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| grade will be above the |
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| Overall Grade |
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| threshold. |
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Poor scanning | Data validation failure: | 1. | Adjust Print Intensity |
Check heat&head | decodeability. The difference |
| and Print Speed in the |
| between wide and narrow |
| QUICK SETUP menu or |
| elements is too close for the |
| via host software. |
| validator to reliably discern. | 2. | Adjust the printhead |
| This usually indicates an | ||
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| pressure. (Refer to the | |
| improperly set heat/speed/ |
| |
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| Quick Setup Guide or | |
| pressure combination or the |
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| User’s Manual.) | |
| loss of a printhead element. |
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