4413-XXX
Power service check
| FRU | Action |
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1 | Power Supply | Plug the machine into an outlet. Check for |
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| approximately 30 V dc at CN4 pin 2. If voltage is |
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| incorrect, replace the power supply. |
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2 | Printhead Cables | Unplug the printer. Disconnect the printhead |
| Paper Feed Motor | cables and plug in the printer. Look for a symptom |
| Carrier Transport | change. Check the failing part for shorts and |
| Motor | replace as necessary. |
| Control Panel | Repeat this procedure for the carrier transport |
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| motor, paper feed motor, and control panel. |
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3 | System Board | If the symptom has not changed, replace the |
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| system board. Go to the “System board |
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| removal” on page |
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