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Chapter 9
Troubleshooting
Symptom | Possible Cause | Remedy | Refer to |
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Overall weak printout | Wrong media grade | Change parameter | Appendix 2, Chapter 6 |
| Contrast value too low | Change parameter | Chapter 6 |
| Printhead pressure too low | Adjust | Chapter 11 |
| Worn printhead | Replace printhead | Chapter 10 |
| Wrong printhead voltage | Replace CPU board | ☎ Call Service |
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Printout weaker on one side | Uneven printhead pressure | Adjust arm alignment | Chapter 11 |
Weak spots | Foreign particles on media | Clean or replace | Chapters 4 & 5 |
| Media/ribbon don’t match | Change to matching media | Appendix 4 |
| Poor media or ribbon quality | Use Intermec media/ribbon | Appendix 2 |
| Worn printhead | Replace printhead | Chapter 10 |
| Worn platen roller | Check/replace | ☎ Call Service |
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Overall dark printout | Wrong media grade | Change parameter | Appendix 2, Chapter 6 |
| Contrast value too high | Change parameter | Chapter 6 |
| Printhead pressure too high | Adjust | Chapter 11 |
| Wrong printhead voltage | Replace CPU board | ☎ Call Service |
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Excessive bleeding | Wrong media grade | Change parameter | Appendix 2, Chapter 6 |
| Contrast setup value too high | Change parameter | Chapter 6 |
| Printhead pressure too high | Adjust | Chapter 11 |
| Faulty energy control | Replace CPU board | ☎ Call Service |
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Dark lines along media path | Foreign objects on printhead | Clean printhead | Chapter 10 |
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White lines along media path | Printhead dirty | Clean printhead | Chapter 10 |
| Missing dots on printhead | Replace printhead | Chapter 10 |
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Large part of dot line missing | Failing printhead | Replace printhead | Chapter 10 |
| Failing strobe signal | Check | ☎ Call Service |
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Printout missing along inner edge | Bad media alignment | Adjust | Chapter 4 |
| Small core & supply post in upper pos. | Move post to lower pos. | Chapter 2 |
Transfer ribbon breaks | Ribbon not fi tted correctly | Reload ribbon | Chapter 5 |
| Wrong media grade (too much energy) | Change parameter, | Appendix 2, Chapter 6 |
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| then clean printhead | Chapter 11 |
| Bad energy control | Adjust | ☎ Call Service |
Transfer ribbon wrinkles | Faulty ribbon break shaft adjustment | Adjust | Chapter 11 |
| Incorrect edge guide adjustment | Adjust | Chapter 4 |
| Too strong printhead pressure | Adjust | Chapter 11 |
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No thermal transfer printout | Reload ribbon | Chapter 5 | |
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Media feed not working properly | Changed media characteristics | Press Feed | Chapter 4 |
| Wrong label rest dots parameter | Check/change | Chapter 6 |
| Wrong sensor position | Check/change | Chapter 11 |
| Dirty or blocked sensors | Clean media guides | Chapter 10 |
| Faulty sensors | Replace | ☎ Call Service |
Intermec EasyCoder F4 – Installation & Operation IPL Version, Ed. 3 | 49 |