24xx
| FRU/Symptom | Action | |
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| |
4 | If the prior | The following may cause undefined or | |
| suggestions have | intermittent failures: | |
| not corrected the | 1.Loose connector pins that fail to contact. | |
| problem. | ||
| Check the following: | ||
|
| ||
|
| • Reconnect the connectors of all FRUs and | |
|
|
| printer interface cables. |
|
| • Check the continuity of the line cord. | |
|
| 2.Electrical noise. Check the following: | |
|
| • | Power supply ground. |
|
| • | Printer frame ground. |
|
| • Printer interface cable is grounded or | |
|
|
| shielded. |
|
| 3.Undefined data in user applications. Check | |
|
| the baud rate at the controller. Check that the | |
|
| printer interface cable matches the printer. | |
|
|
| |
5 | Problem occurs | Perform the Hex Trace Print (hexadecimal | |
| only in specific | printing) by the following procedure and check | |
| user applications. | the data streams. Go to “Hex Trace Mode” on | |
|
| page | |
|
| 1. Turn the printer off. | |
|
| 2. Press and hold Tractor and turn the printer | |
|
| on. | |
|
| 3. Have the user print the failing job. | |
|
| 4. To stop printing, turn the power off. | |
|
| If the failure still occurs, replace the logic | |
|
| board. Be sure to reset the bidirectional print | |
|
| adjustment. See “Bidirectional Print | |
|
| Adjustment” on page | |
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|
