4069-XXX
Fan Service Check
Auxiliary Fan Service Check
The auxiliary fan is in models 414 and 616.
Fan does not run or is noisy.
| FRU | Action |
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1 | Fan Assembly | Check the fan for proper installation |
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| and for excessive noise. If incorrect, |
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| replace the fan and cable assembly. |
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2 | Engine Board | Check to make sure the auxiliary fan |
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| cable is seated on connector J7 on |
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| the engine board. If correct, check |
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| for +24 V dc on |
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| board. If incorrect, replace the |
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| engine board. If correct, replace the |
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| fan assembly. |
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| Note: When the printer is in warm- |
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| up the voltage at |
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| approximately +12 V dc. When the |
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| printer is running, the voltage |
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| measures approximately +24 V dc. |
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Main Fan Service Check
Check the cable connections at J1 on the engine board and at the main fan assembly. The main fan runs continuously when the printer is powered on unless the printer is in the Power Saver mode.
| FRU | Action |
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1 | Main Fan | Manually spin the fan and check that |
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| it rotates freely. Check the cable |
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| connection to the engine board, J1 |
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| for correct installation. |
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2 | Main Fan to Engine Board | Check the continuity of the cable. If |
| Cable | incorrect, replace the cable. |
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