![](/images/new-backgrounds/1268225/26822599x1.webp)
Dead machine service check
CAUTION: Check the AC line voltage. The voltage should be within the following limits:
•100 V ac (volts alternating
•200 V
FRU | Action |
Unplug the printer. Remove the LVPS/HVPS, and check the fuses for continuity.
| • | If open, then replace the LVPS/HVPS. |
|
| |
| • | If not open, then check the switch continuity across its conductors with the switch on. | |||
|
| Turn the switch off. Plug the AC line into the LVPS/HVPS and switch unit on. | |||
LVPS/HVPS | Note: Voltages are exposed at several places on the board. Do these verifications, and | ||||
then unplug the AC cord from the power supply: | |||||
|
|
|
|
|
|
|
|
| Pins | Voltage |
|
|
|
|
|
|
|
|
|
| +24 V dc |
| |
|
|
| 19 |
|
|
|
|
|
|
|
|
|
|
| Ground |
| |
|
|
| 14, 16, 18 |
|
|
|
|
|
|
|
|
|
|
| +5 V dc |
| |
|
|
| 11,13, 15 |
|
|
|
|
|
|
|
|
•If voltages are not correct, then replace the LVPS/HVPS.
•If voltages are correct, then check the controller board. See “Controller board service check” on page