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Solving Power Adapter Problems
Table
Problem |
| Solution |
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Printer will not operate | 1. | Verify that the correct power adapter has been used. |
| 2. | Verify that the power adapter connector is fully seated in the printer’s power |
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| socket. |
| 3. | The user may not be pressing the Power button long enough. Press the |
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| Power button until the light turns on. |
| 4. | Check the voltage out of the power adapter. Replace the power adapter if it |
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| is faulty. |
| 5. | The printer may be faulty. Return the printer for repair. |
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Troubleshooting the Printer
Self-Tests
Power On Self-Test
HP DeskJet 400 printer performs a
There are two possible outcomes to the
•If the printer passes the
•If the printer fails the