Epson DFX-9000 - O6: High Voltage Error; O7: Low Voltage Error; O8: over Load Error

Epson DFX-9000 Field Repair Guide 3/29/07
Troubleshooting Printer Component, Software Item, LCD Display, Printer Button Page 122.
O6: High Voltage Error
Cause: Either the +42vdc (motor drive voltage) or the +37vdc (print head drive voltage) is too high.
Action:
1. Replace the Power Supply.
2. Replace the ROM Board.
O7: Low Voltage Error
Cause: Either the +42vdc (motor drive voltage) or the +37vdc (print head drive voltage) is too low.
Action:
1. Replace the Power Supply.
2. Replace the ROM Board.
O8: Over Load Error
Cause: Either the power supply has failed or the voltage detection circuit has malfunctioned.
Action:
1. Replace the Power Supply.
2. Replace the ROM Board.