OKI ES7170MFP
Troubleshooting. 2. Abnormal operations of printer after the power is turned on 1
Any operation does not start at all.
| Check item | Check work | Action at NG |
|---|---|---|
| Check the peripherals of the power supplies | ||
| Primary AC power source that is connected to the printer. | Check the supplied voltage of the AC power source. | Supply the AC power. |
| 5V power and 24V power that are supplied to the CU/ PU board. | Check the power supply voltages at the POWER connector ⑦ of the CU/PU board. The follow voltage must appear respectively. PU ⑦ Pin 1,2,3,4:24V Pin 5,6,7,8:0VP Pin 9,10:0VL Pin 11,13:5V CU ⑦ Pin 1,2,3:5V Pin 4,5,6:0VL Pin 10,11:0VP Pin 12,13:24V |
Replace the low voltage power supply. |
| Check the system connection | ||
| Connection condition of Operator Panel | Check contents of (LCD does not display anything). Any operation of a printer will not start until the Operator Panel is detected and is started of its operation. | Follow the contents (LCD does not display anything) |