| Unit 5: Troubleshooting | |
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NO PRINTED IMAGE |
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Print head is disconnected. |
| Ensure print head wiring harness is connected on each end. |
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No voltage output |
| Replace fuse. Test power supply and replace as required |
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Defective print head |
| Replace print head and reset counter |
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Damaged electronics |
| Replace circuit board |
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Interface problems |
| Troubleshoot interface - refer to the next chapter |
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Data input error |
| Ensure correct data stream |
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PRINTER CREATES A BLANK LABEL |
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Data input error |
| Ensure correct data stream |
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Incorrect label sensor selection |
| Ensure correct printer configuration |
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Disconnected print head |
| Power off the printer and ensure a proper connection |
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Defective print head |
| Replace print head as required |
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Defective main circuit board |
| Replace main board as required |
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INCORRECT LABEL POSITIONING |
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Incorrect label sensor selection |
| Ensure correct printer configuration |
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Improper sensor adjustment |
| Adjust sensor sensitivity as required |
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Data input error |
| Ensure correct data stream |
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Incorrect offset settings |
| Adjust settings as required |
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SMEARED PRINT IMAGES |
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Poor media quality |
| Use higher quality media |
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Foreign material on print head and platen roller |
| Clean print head and rollers |
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Foreign material on labels |
| Use higher quality media |
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Excessive print head energy |
| Adjust darkness setting |
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Excessive print speed |
| Adjust print speed as required |
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CT4i Series Operator Manual |