4026-0XX
Fuse F1 continues to open after being replaced
| FRU | Action |
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1 | Fuse F1 | If fuse F1 continues to open after being |
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| replaced, disconnect CN7 from the engine |
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| board and turn the printer power on. If F1 opens, |
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| replace the LVPS. |
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| If F1 does not open with CN7 disconnected, |
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| check the following: |
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| Turn the printer power off and disconnect all the |
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| cables connected to the engine board and |
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| remove the controller board. Reconnect each |
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| cable and the controller board one at a time until |
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| the FRU causing F1 to open is found. Replace |
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| the failing FRU. |
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