
Troubleshooting 107
Print Quality Problems
Table 19 • Print Quality Problems (Continued)
Problem | Possible Cause | Recommended Solution | |
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Wrinkled ribbon | Ribbon was fed through the | Load the ribbon correctly. See Load Ribbon | |
| ribbon system incorrectly. | ||
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| Incorrect burn temperature. | Set the darkness to the lowest possible setting for | |
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| good print quality. See Adjust Print Darkness | |
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| Incorrect or uneven printhead | Set the printhead pressure to the minimum | |
| pressure. | needed for good print quality. See Adjust | |
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| Media not feeding properly; | Make sure that media is snug by adjusting the | |
| “walking” from side to side. | media guide, or call a service technician. | |
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| The printhead is improperly | Call a service technician. | |
| balanced. |
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Fine, angular gray | Wrinkled ribbon. | See wrinkled ribbon causes and solutions in this | |
lines on blank labels |
| table. | |
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Printing too light or | The media or ribbon is not | Replace supplies with those recommended for | |
too dark over the | designed for | ||
entire label | operation. |
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| You are using an incorrect | 1. Switch to a different type of media or ribbon | |
| combination of media and | to try to find a compatible combination. | |
| ribbon for your application. | 2. If necessary, consult your authorized Zebra | |
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| reseller or distributor for information and | |
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| advice. | |
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| You are using ribbon with | Direct thermal media does not require ribbon. To | |
| direct thermal media. | check if you are using direct thermal media, | |
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| perform the label scratch test in When to Use | |
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| Incorrect or uneven printhead | Set the pressure to the minimum needed. See | |
| pressure. | ||
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Smudge marks on | The media or ribbon is not | Replace supplies with those recommended for | |
labels | designed for | ||
| operation. |
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Misregistration/skips | The printer is not calibrated. | Recalibrate the printer. | |
labels |
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Improper label format. | Use correct label format. | ||
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Misregistration and | The platen roller is dirty. | ||
misprint of one to |
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three labels |
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Media does not meet | Use media that meets specifications. | ||
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| specifications. |
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6/15/09 | S4M User Guide |