4402-001
Power Service Check
| FRU | Action |
|
|
|
1 | External Power | Plug the external power supply into an outlet. |
| Supply | Check for + 30 V dc. If voltage is incorrect, replace |
|
| the power supply. |
|
|
|
2 | Printhead Cable | Unplug the printer. Disconnect the printhead cable |
| Paper Feed Motor | and plug in the printer. Look for a symptom |
| Carrier Transport | change. Check the failing part for shorts and |
| Motor | replace as necessary. |
| Operator Panel | Repeat this procedure for the carrier transport |
|
| |
|
| motor, paper feed motor, and operator panel. |
|
|
|
3 | System Board | If the symptom has not changed, replace the |
|
| system board. Go to the “System Board |
|
| Removal” on page |
|
|
|