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24xx
Service Checks
Abnormal Noise Service Check
Check the entire printer for loose parts.
| FRU | Action |
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1 | Ribbon Cartridge | Remove and reinstall the ribbon cartridge. |
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2 | Printhead | Disconnect the printhead cable(s). |
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| Run the print test (do not fold or damage the |
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| cables during the test). Go to “Print Test” on |
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| page |
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| Replace the printhead, if the noise is gone. |
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3 | Carrier Motor | Disconnect the carrier motor connector CN2 |
| Ribbon Drive | from the logic board. Turn the printer off and |
| Mechanism | then on. |
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| If the abnormal noise is gone, look for a |
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| problem with the carrier motor or ribbon drive |
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| mechanism. Go to “Carrier Service Check” |
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| on page |
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4 | Paper Feed | Disconnect the paper feed motor CN1 from the |
| Mechanism | logic board. |
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| Perform the Print Test. Go to “Print Test” on |
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| page |
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| If the abnormal noise is gone, look for the |
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| problem in the paper feed mechanism. |
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Diagnostic Information