Chapter 2 Troubleshooting
Table 5. Troubleshooting the Validator
Symptom | Solution |
|
|
|
|
The printed labels look clean, but | The validator glass may be dirty, distorting the |
the validator is still reporting an | report results. Power down the printer and clean |
error message. | the glass using a household glass cleaner and a |
| dry, |
|
|
The printed bar codes are | There are a number of factors which could be |
causing error conditions. | causing validation errors: |
| • The scanning beam is not properly aligned |
| with the two notches on the tear bar of the |
| printer. See “Adjust The Scanning Beam” on |
| page 28. |
| • Make sure the entire bar code passes |
| completely under the scanning beam. |
| • The validator and printer are not properly |
| communicating. Test the validator operation |
| without using a host. See “Bar Code |
| Validation Demo Page” on page 36. |
| • Bar code width. The validator can recognize |
| |
| 300 dpi printers, and 10 mil for 203 dpi |
| printers. The validator cannot recognize |
| |
| than 40 mil. |
| • Bar code size. A minimum height of 1/8 inch |
| is required for validation. |
| • Bar code type. The validator only |
| recognizes the following linear, picket fence |
| bar codes: Codabar, Code 39, Code 93, |
| Code 128, Interleaved 2 of 5, and UPC/EAN |
| + |
| (ladder) bar codes are not supported. |
|
|
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