Power Supply Related Troubleshooting - Epson Stylus Photo RX700 Service Manual

EPSON Stylus Photo RX700

3.3 Power Supply Related Troubleshooting

If the printer does not operate at all (LED does not light up) even with the power turned
ON, refer to the following table and perform troubleshooting.
Cause
Defective power cord
Abnormal AC power
voltage
Faulty connection of the
connector
Fuse blown
Abnormal output voltage of
Power Supply Board
Troubleshooting
Table 3-9. Power Supply Related Troubleshooting
Check Point
Connect the normal power cord.
Check the AC power voltage.
Check the connection between the Power Supply Board
~ Main Board (CN28).
Check the fuse (F1) on the Power Supply Board.
Check the output voltage of the Power Supply Board.
Power Supply Related Troubleshooting
Remedy
Replace the power cord.
Supply the normal power.
Correct the connection.
Replace the fuse with a new one.
When the output voltage is normal: Replace the Main Board with a new one.
When the output voltage is abnormal: Replace the Power Supply Board with a new one.
Revision A
69