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| Maintenance and Troubleshooting |
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| Other Problems |
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| Problem | Possible Cause | Solution |
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| Printer will not turn on. | Battery not installed properly. | Remove and reinstall battery |
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| making sure the battery release |
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| lever “clicks” when fully installed. |
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| Discharged battery. | Recharge battery. |
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| Printer turns itself off. | Auto Power Down is enabled. | Change setting in Options Menu as |
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| described on page 29. |
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| Battery discharged. | Replace or recharge battery. |
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| Electrostatic discharge. | May occur in extreme low |
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| humidity conditions. Turn printer |
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| back on with power button. |
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| Battery Indicator does not light or | Battery already fully charged. | No action required. |
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| does not stay lit when power | Power supply not receiving power. | Check building/vehicle circuit |
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| supply is connected. |
| breakers/fuses. |
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| Faulty power supply. | Check output of power supply with |
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| voltmeter. 9 VDC. |
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| Battery not installed properly. | Remove and reinstall battery |
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| making sure the battery release |
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| lever “clicks” when fully installed. |
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| Battery not charging. | Faulty power supply or battery. | Refer to “Testing the Power |
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| Supply and Battery” on page 41. |
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| Poor print quality. | Low battery. | Check and recharge battery. |
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| Print head dirty. | Clean print head. Refer to page 39. |
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| Poor quality or “old” paper. | Verify paper from approved |
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| source. Try new roll or cassette of |
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| paper. |
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| Paper not feeding. | Obstruction in paper path or paper | Check paper path and reinstall |
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| improperly installed. | paper. |
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| “SL” model does not pull paper | Clean Pick Roller. Refer to page |
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| from cassette. | 39. |
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| Poor quality paper. | Verify paper from approved |
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| source. |
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| Paper not feeding reliably or print | Poor quality paper. | Verify paper from approved |
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| is compressed vertically |
| source. |
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| Heavy or thick forms or labels. | Lower the Max Paper Speed as |
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| Specialty paper with slick finish. | described on page 19. |
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| Print Garbled. | Low Battery. | Check and recharge battery. |
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| Improper serial interface | Verify printer and host settings |
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| configuration. | match. |
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| Printer will not print. | Low Battery. | Check and recharge battery. |
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| Paper not loaded correctly. | Check paper path and reinstall |
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| paper. |
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| Improper interface configuration. | Verify printer and host settings |
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| match. Use test print to verify |
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| printer setting and to verify printer |
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| is functioning properly. |
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| Cannot print via optional interface, | Interface not configured correctly. | With printer on, press and hold the |
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| Wireless Indicator does not |
| Enter Button to print out current |
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| light. |
| configuration. Make sure the |
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| interface is selected and Make sure |
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| printer and host set ups match. |
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43
